A ball constant velocity sliding joint, comprises an outer joint part with an axis of rotation and with outer ball tracks and outer center lines, an inner joint part with inner ball tracks and inner center lines, a plurality of torque-transmitting balls, which are each guided in outer ball tracks and inner ball tracks assigned to one another and forming track pairs; and a cage, which is provided with a plurality of cage windows, which each receive one or more of the balls; wherein the cage has a web along a circumferential direction between the cage windows, which web is guided via a respective spherical contact surface at least on the outer joint part or on the inner joint part.
F16D 3/227 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
A counter track joint comprises an outer joint part and an inner joint part, wherein first pairs of tracks widen towards the opening side of the outer joint part when the counter track joint is aligned, and second pairs of tracks widen towards the connecting side of the outer joint part when the counter track joint is aligned; a ball in each first and second pair of tracks respectively; a ball cage with circumferentially distributed cage windows, each of which accommodates one of the balls, the ball cage having a non-circular shape with at least three maxima and three minima when viewed in cross-section.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
Drive shaft arrangement (1) for a motor vehicle (2), comprising at least a first tripod joint (3) having a first outer part (4) and a first inner part (13), wherein the first inner part (10) has three first pins (11) with first pin axes (9); a second, sliding joint (6) having a second outer part (8) and a second inner part (6); and a connecting shaft (17) which extends in an axial direction (18) between a first end (19) and a second end (20) and which is connected for torque transmission via the first end (19) to the first tripod joint (3) and via the second end (20) to the second, sliding joint (10); wherein at least the pin axes (9, 40) of the first pins (8) are inclined relative to a radial direction (25) by a first inclination angle (29) which is greater than zero degrees.
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
A bellows for a joint arrangement extends between a first end and a second end as a hollow body along an axis and is formed by a wall which encloses the axis between the ends along a circumferential direction and forms an inner space; wherein the wall is formed at least by a plurality of pleats arranged side by side along the axis; wherein each pleat extends along the axis starting from a first smallest diameter via a first flank to a first largest diameter and via a second flank to a second smallest diameter and a flank of at least one pleat has a plurality of structures arranged distributed along the circumferential direction.
F16J 15/52 - Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
The invention relates to a tripod joint (1) comprising: an outer joint part (2) having a first longitudinal axis (3) and a cavity (4) that extends parallel to the first longitudinal axis (3) and has an open end (5), wherein three recesses (6) extending parallel to the first longitudinal axis (3) are formed in the outer joint part (2); and an inner joint part (7) having a second longitudinal axis (8) and comprising at least one central body (9) on which three pins (10) are moulded, wherein a roller body (13) is arranged on each of the pins (10), which roller body has at least one outer ring (14) and an inner ring (16) which can rotate about a common axis of rotation (15) with respect thereto; wherein, at least when the longitudinal axes (3, 8) are arranged coaxially, force is transmitted between the pin (10) and the inner ring (16) in a peripheral direction (18) via two contact points (19, 20) which are at a distance from one another along the radial direction (11) in a cross-section (21) of the tripod joint (1) extending transversely to the longitudinal axes (3, 8).
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
A tripod joint can include a joint outer part with a first longitudinal axis and a cavity running parallel to the first longitudinal axis with an open end, three recesses running parallel to the first longitudinal axis being formed in the joint outer part, and a joint inner part with a second longitudinal axis., The tripod joint can include at least one central body on which three trunnions are formed with trunnion axes extending radially from the second longitudinal axis, wherein a roller body is arranged on each of the trunnions, which roller body has at least one outer ring and an inner ring rotatable therewith about a common axis of rotation, as well as bearing bodies arranged between the outer ring and the inner ring; wherein each roller body is movably received in the recesses along the first longitudinal axis.
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
A counter track joint comprises an outer joint part, an inner joint part, first pairs of tracks widening towards the opening side of the outer joint part when the counter track joint is aligned, and second pairs of tracks widening towards the connecting side of the outer joint part when the counter track joint is aligned; a ball in each of the first and second pairs of tracks; a ball cage having circumferentially distributed cage windows each receiving one of the balls, wherein one of the outer ball track group and the inner ball track group is hardened and hard machined, and the other of the outer ball track group and the inner ball track group is soft finished and subsequently hardened. A method of manufacturing a counter track joint is provided.
F16D 3/224 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere
8.
TRIPOD JOINT AND INNER JOINT PART OF A TRIPOD JOINT
The invention relates to a tripod joint (1) at least comprising an outer joint part (2) and an inner joint part (3) as well as a plurality of roller bodies (4), wherein: the outer joint part (2) has a receptacle (6) for the inner joint part (3), which receptacle extends along a first axis of rotation (5), and has three raceways (9) extending along the first axis of rotation (5) and distributed in a circumferential direction (7, 8); the inner joint part (3) has a central body (11) extending along a second axis of rotation (10) and three pins (14) which extend from the central body (11) along a radial direction (12), each have a pin axis (13) and are distributed in the circumferential direction (7, 8); and one of the roller bodies (4) is arranged on each pin (14), the inner circumferential face (15) of which roller body contacts the pin (14), and the outer circumferential face (16) of which contacts the relevant raceway (9). The invention also relates to an inner joint part (3).
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
The present invention provides a grease composition for constant-velocity joints comprising (a) a base oil, (b) a diurea thickener, (c) molybdenum dithiocarbamate, (d) molybdenum dithiophosphate, (e) overbased calcium sulfonate, and (f) neutral zinc sulfonate. The composition of the present invention is excellent in durability at high temperature and vibration suppression.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
The invention relates to a countertrack joint comprising: an outer joint part (12), an inner joint part (13), wherein first track pairs (22A, 23A) widen towards the open side of the outer joint part (12) when the countertrack joint is straight, and second track pairs (22B, 23B) widen towards the connection side of the outer joint part (12) when the countertrack joint is straight; one ball (14A, 14B) in each first and second track pair; a ball cage (15) with peripherally distributed cage windows (18), each of which receives one of the balls (14). A second outer track base line (G22B) of the outer joint part (12) extends from the central joint plane (EM) in the direction of the joint base (19) at least starting from a track deflection angle (β') of ± 20° radially within a second outer reference circular arc (CRB12) which is defined by a second outer radius (R22Bp) which forms the second outer track base line (G22B) in the second offset plane (EB).
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/2233 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the track is made up of two curves with a point of inflexion in between, i.e. S-track joints
The invention relates to a method for producing a counter track joint, comprising: pro-ducing a first joint part (12) with first and second ball tracks (22A, 22B) that are soft-finished and hardened, i.e. remain unmachined after hardening; determining a first working PCD value (WPCD12) from a first curvature of the first ball tracks (22A) and a second curvature of the second ball tracks (22B); classifying the first joint part (12) to a size class of at least two different size classes (C12a, C12b, C12c); producing a second joint part (13) with first and second ball tracks (23A, 23B); assigning the second joint part (13) to the first joint part (12), with a difference between WPCD12 and WPCD13 being greater than 20 and smaller than 80 micrometers; producing a ball cage (15) and balls (14A, 14B); mounting the joint parts; wherein in the mounted con-dition, a first axial play (So) of the ball cage (15) to the first joint part (12) differs from a second axial play (Si) of the ball cage (15) to the second joint part (13). Figure 6D
F16D 3/2233 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the track is made up of two curves with a point of inflexion in between, i.e. S-track joints
The invention relates to a constant velocity slip ball joint (1) comprising at least an outer joint part (2) having an axis of rotation (4) and having outer ball tracks (5) and outer centre lines (6), an inner joint part (7) having inner ball tracks (8) and inner centre lines (9), a plurality of torque transmitting balls (10) each guided in outer ball tracks (5) and inner ball tracks (8) associated with each other and forming track pairs (11); and a cage (12) provided with a plurality of cage windows (13) each receiving one or more of said balls (10); wherein the centre lines (6, 9) extend along the ball tracks (5, 8) from a first end region (14) along the axial direction (3) to a second end region (15); wherein the centre lines (6, 9) of each track pair (11) each extend at an angle of inclination (16), i.e. inclined with respect to a radial direction (17), and at a helix angle (18), i.e. inclined with respect to a circumferential direction (19), and thereby each extend in opposite directions.
F16D 3/227 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The invention relates to a constant-velocity slip ball joint (1), at least comprising: a joint outer part (2) having an axis of rotation (3) and having outer ball tracks (4) and outer centre lines (5); a joint inner part (6) having inner ball tracks (8); a plurality of torque-transmitting balls (9) which are each guided in mutually associated outer ball tracks (4) and inner ball tracks (7) and forming track pairs (10); and a cage (11) which is provided with a large number of cage windows (12) that each receive one or more of the balls, wherein, the cage (11) having, along a circumferential direction (13) between the cage windows (12), respectively one web (14) which is guided respectively via one spherical contact surface (15) at least on the outer joint part (2) or on the inner joint part (6).
F16D 3/227 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The invention relates to a countertrack joint comprising: an outer joint part (12) and an inner joint part (13), wherein first track pairs (22A, 23A) widen towards the open side of the outer joint part (12) when the countertrack joint is straight, and second track pairs (22B, 23B) widen towards the connection side of the outer joint part (12) when the countertrack joint is straight; one ball (14A, 14B) in each first and second track pair; a ball cage (15) with peripherally distributed cage windows (18), each of which receives one of the balls (14), wherein the ball cage (15), in a cross-sectional view, has a non-circular shape with at least three maxima and three minima.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
A constant velocity joint comprises a male element having arms, a female element having a central axis and defining a pair of symmetrical tracks and an outer roller which can roll on one or other of the two tracks via a peripheral rolling surface. The female element comprises at least one bearing surface which limits the rotation of the outer roller around an axis perpendicular to the axis' of the female element and of the arm. With respect to each arm the cross-section profile of each track comprises either two circular arcs having centers of radii offset one from another, or one single circular arc extending over a female element median plane, and the rolling surface has a part spherical shape or a part torical shape. Each track and the rolling surface are capable of contacting each other at a first and second contact points spaced radially from one another. The tilting of the roller is controlled by proximal and distal rails on the female element and by proximal and distal breaking surfaces on the outer roller.
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
F16D 3/202 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
A grease composition is disclosed which is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used in the driveline of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, zinc sulfide, at least one copper sulfide and molybdenum disulfide and/or tungsten disulfide. Further, the present disclosure relates to a constant velocity joint comprising such a grease composition.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 111/04 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular organic compound
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 125/22 - Compounds containing sulfur, selenium or tellurium
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
17.
Grease composition including copper sulfide for constant velocity joints
A grease composition is intended primarily for use in constant velocity joins (CV joints), especially ball joints and/or tripod joints, which are used in the drivelines of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, and least one thickener, at least one copper sulfide in an amount of approximately 0.01 wt-% up to approximately 1.5 wt-% of the grease composition, molybdenum disulfide and/or at least one phosphorus-free organic molybdenum complex in an amount of approximately 0.1 wt-% up to approximately 5.0 wt-% of the grease composition. Further, a constant velocity joint comprises the grease composition.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 111/04 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular organic compound
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 125/22 - Compounds containing sulfur, selenium or tellurium
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10M 159/00 - Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
C10M 163/00 - Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
C10N 30/10 - Inhibition of oxidation, e.g. anti-oxidants
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease composition is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used in the driveline of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, zinc sulfide, as well as molybdenum disulfide and/or tungsten disulfide. Further, a constant velocity joint comprises the grease composition.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 117/04 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen containing hydroxy groups
C10M 125/22 - Compounds containing sulfur, selenium or tellurium
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10N 30/10 - Inhibition of oxidation, e.g. anti-oxidants
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
19.
COUNTER TRACK JOINT AND METHOD FOR PRODUCING A COUNTER TRACK JOINT
The invention relates to a counter track joint comprising: a joint outer part (12) and a joint inner part (13), with first track pairs (22A, 23A) widening toward the opening side of the joint outer part (12) when the counter track joint is straight, and second track pairs (22B, 23B) widening toward the connection side of the joint outer part (12) when the counter track joint is straight; a ball (14A, 14B) in each first and second track pair; a ball cage (15) with peripherally distributed cage windows (18), each of which receives one of the balls (14), one of the outer ball track group and the inner ball track group being hardened and hard-machined, and the other of the outer ball track group and the inner ball track group being soft-finish-machined and then hardened. The invention further relates to a method for producing a counter track joint (11).
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The present invention provides a grease composition for constant-velocity joints which comprises (a) a base oil, (b) a diurea-based thickening agent, (c) molybdenum dithiocarbamate, (d) molybdenum dithiophosphate, (e) a perbasic calcium sulfonate, and (f) a neutral zinc sulfonate. This composition is excellent in terms of high-temperature durability and vibration diminution.
C10M 141/02 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic oxygen-containing compound
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10M 141/12 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic compound containing atoms of elements not provided for in groups
C10M 169/06 - Mixtures of thickeners and additives
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A constant velocity joint comprises an outer joint part with outer ball tracks and an inner joint part with inner ball tracks. An outer ball track and an inner ball track respectively form a pair of tracks with one another; in each, a torque-transmitting ball is guided. The torque-transmitting balls are accommodated in a ball cage with circumferentially distributed cage windows. In any angular position of the constant velocity joint an opening angle is formed between an outer tangent to the outer ball track and an inner tangent to the inner ball track. At an articulation angle of zero degrees the opening angle is greater than zero degrees. A central articulation angle range is defined with articulation angles less than fifteen degrees. The opening angle increases by at least two degrees within the central articulation angle range, and is less than twelve degrees for all articulation angles within the central articulation angle range.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
A blank for a conduit arrangement includes an annular conduit having a first end and a second end, which is formed by a channel surrounded by a wall. The conduit arrangement has an axis of rotation and the conduit extends in a circumferential direction over an angle of more than 360 degrees about the axis of rotation and forms at least one wind turn. The axis of rotation is arranged perpendicularly to a base surface, the wall having first surfaces which are arranged at a first angle of at least 30 degrees relative to the base surface or in which a surface normal forms at least one second angle of 0 to 60 degrees with respect to the base surface. First partial surfaces of the walls, which face one another in an axial direction, of adjacent turns are arranged spaced apart from one another. The blank is produced by an additive manufacturing process.
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B33Y 80/00 - Products made by additive manufacturing
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
A driveshaft arrangement (1) for a motor vehicle (2), said arrangement at least comprising: a first joint (3) in the form of a constant-velocity slip joint having a first outer part (4) and a first inner part (5); a second joint (6) in the form of a constant-velocity slip joint having a second outer part (7) and a second inner part (8); and a connecting shaft (9) that extends along an axial direction (10) between a first end (11) and a second end (12) and that is torque-transmittingly connected via the first end (11) to the first joint (3) and via the second end (12) to the second joint (6). The first joint (3) and the second joint (6) are disposed in the same direction in the drive shaft arrangement (1) so that the connecting shaft (9) is connected at one end (11, 12) to one of the outer parts (4, 7) and at the other end (12, 11) to one of the inner parts (5, 8).
F16D 3/06 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
This constant velocity joint (2) comprises a male element (4) having arms (8), a female element (16) having a central axis (X'-X') and defining a pair of symmetrical tracks (18, 20) and an outer roller (28) which is designed to roll on one or other of the two tracks (18, 20) via a peripheral rolling surface (52). The female element (16) comprises at least one bearing surface (60, 62) which limits the rotation of the outer roller (28) around an axis perpendicular to the axis' of the female element and of the arm (8). In respect of each arm (8) the cross-section profile of each track (18, 20) comprises either two circular arcs having centers of radii offset one from another or one single circular arc extending over a female element median plane (Q-Q) and the rolling surface (52) has as part spherical shape or a part torical shape. Each track (18, 20) and the rolling surface (52) are capable of contacting each other at a first and second contact points (Z1, Z2) spaced radially from one another. The tilting of the roller is controlled by proximal and distal rails on the female element (16) and by proximal and distal breaking surfaces on the outer roller (28).
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
A constant velocity joint comprises an outer joint part with outer ball tracks, an inner joint part with inner ball tracks, wherein respectively an outer ball track and an inner ball track form a pair of tracks with each other; a torque-transmitting ball in each pair of tracks; a ball cage in which the torque-transmitting balls are received; wherein a first articulation angle range is defined comprising articulation angles of less than twenty degrees, and a second articulation angle range comprising articulation angles greater than twenty degrees; wherein an opening angle within the first articulation angle range increases as the articulation angle (β) increases, and wherein a first mean opening angle increase of the first articulation angle range is greater than a second mean opening angle increase of the second articulation angle range.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
26.
A GREASE COMPOSITION COMPRISING ZINC SULFIDE AND COPPER SULFIDE IN COMBINATION WITH MOLYBDENUM DISULFIDE AND/OR TUNGSTEN DISULFIDE FOR THE USE IN CONSTANT VELOCITY JOINTS
The present invention relates to a grease composition which is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used 5 in the driveline of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, zinc sulfide, at least one copper sulfide and molybdenum disulfide and/or tungsten disulfide. Further, the present invention relates to a constant velocity joint comprising such grease composition.
The present invention relates to a grease composition which is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used in the drivelines of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, at least one copper sulfide, molybdenum disulfide and/or at least one phosphor-free organic molybdenum complex. Further, the present invention relates to a constant velocity joint comprising the grease composition in accordance with the present invention.
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
28.
A GREASE COMPOSITION COMPRISING ZINC SULFIDE WITH MOLYBDENUM DISULFIDE AND/OR TUNGSTEN DISULFIDE FOR CONSTANT VELOCITY JOINTS
The present invention relates to a grease composition which is intended primarily for use in constant velocity joints (CV joints), especially ball joints and/or tripod joints, which are used in the driveline of motor vehicles. The grease composition for use in constant velocity joints comprises at least one base oil, at least one thickener, zinc sulfide, as well as molybdenum disulfide and/or tungsten disulfide. Further, the present invention relates to a constant velocity joint comprising the grease composition in accordance with the present invention.
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Bellows, for example, a roll bellows and a folding bellows, can be produced that can be used at higher temperatures such as those prevailing in modern articulated constructions, using a mixture comprising at least one thermoplastic elastomer selected from the group of copolysters with a hard segment and a soft segment, wherein in a first step the at least one thermoplastic elastomer is mixed with approximately 0.8 wt. % to approximately 5 wt. % triallyl isocyanurate, based on the total amount of the mixture; in a second step the bellows is produced; and in a third step, the bellows is exposed to an ionizing irradiation in a range from approximately 140 kGy to approximately 350 kGy.
A boot is provided in which the formation of an internal pressure inside the boot during assembly is prevented. The boot has a first fastening region and a first diameter and having a second fastening region with a second diameter, wherein the first diameter is smaller than the second diameter, and wherein the first fastening region comprises a binder seat region on its outer circumference, wherein at an inner circumference of the first fastening region at least one first and at least one second aerating means are arranged axially spaced from each other at the inner circumference which is formed with a flat surface, and protrude beyond said surface of the inner circumference.
F16D 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The invention relates to a homocinetic joint, comprising: a joint outer part (12) having outer ball grooves (22); a joint inner part (13) having inner ball grooves (23); wherein an outer ball groove (22) and an inner ball groove (23) each form together a groove pair (22, 23) in each of which a torque-transmitting ball (14) is guided; a ball cage (15) with cage windows (18) distributed around the circumference in which the torque-transmitting balls (14) are received; wherein a jaw opening angle (δ) between an outer tangent (T) on the outer ball groove (22) and an inner tangent (T') on the inner ball groove (23) is formed in every angle position of the homocinetic joint (11); wherein at a deflection angle of zero degrees (β = 0°) the jaw opening angle (δ) is greater than zero degrees (δ > 0°), wherein a central deflection angle range with deflection angles (β) of less than fifteen degrees (β = ± 15°) is defined, wherein the jaw opening angle (δ) within the central deflection angle range (22z) increases by at least two degrees and is less than 12 degrees (δ < 12°) for all deflection angles (δ) within the central deflection angle range.
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The invention relates to a constant velocity joint, comprising: a joint outer part (12) with outer ball tracks (22), a joint inner part (13) with inner ball tracks (23), wherein in each case one outer ball track (22) and one inner ball track (23) form a track pair (22, 23) with one another; in each case one torque-transmitting ball (14) in each track pair (22, 23); a ball cage (15), in which the torque-transmitting balls (14) are received; wherein a first articulation angle range is defined which comprises articulation angles (ß) of less than twenty degrees, and a second articulation angle range which comprises articulation angles (ß) of greater than twenty degrees; wherein a mouth opening angle (δ) increases within the first articulation angle range with an increasing articulation angle (ß), and wherein a first mean mouth opening angle rise (S1) of the first articulation angle range is greater than a second mean mouth opening angle rise (S2) of the second articulation angle range.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
33.
Rolling boot comprising at least one reinforcement fin
A rolling boot that has improved stability especially at increased rotational speeds comprises a first fastening region, a second fastening region, a transition region adjacent to the first fastening region, as well as a diaphragm region adjoining the transition region, and at least on peripheral reinforcement fin is arranged on an external side of the transition region.
The invention relates to a blank (1) for a conduit arrangement (2), at least comprising an annular conduit (3) having a first end (4) and a second end (5), which is formed by a channel (7) surrounded by a wall (6). The conduit arrangement (2) has an axis of rotation (8) and the conduit (3) extends in a circumferential direction (9) over an angle of more than 360 degrees about the axis of rotation (8) and forms at least one wind (10) turn. The axis of rotation (8) is arranged perpendicularly to a base surface (11), the wall (6) having first surfaces (12) which are arranged at a first angle (13) of at least 30 degrees relative to the base surface (11) or in which a surface normal (31) forms at least one second angle (32) of 0 to 60 degrees with respect to the base surface (11). First partial surfaces (15) of the walls (6), which face one another in an axial direction (14), of adjacent turns (10) are arranged spaced apart from one another. The blank (1) is produced by an additive manufacturing process.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
H05B 6/38 - Coil arrangements specially adapted for fitting into hollow spaces of workpieces
F27D 11/06 - Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
A boot is provided with an improved sealing effect. The boot has a first and a second fastening region, and a pleated region between them, wherein the first fastening region comprises lobe regions and/or guide regions, and connecting regions and a connector seat region that has a connector seat region surface and an undersurface lying opposite it, wherein there is at least one inner groove in the lobe regions and/or in the guide regions, on the undersurface.
A boot can be fastened to a joint housing with a seal. The boot includes a first and a second fastening region, and a pleated region between them. The first fastening region comprises lobe regions and/or guide regions, and connecting regions and a connector seat region, which comprises at least two grooves in at least the lobe regions and/or the guide regions, starting from the connector seat region surface, said grooves being parabolic when viewed in the cross sections and having different depths inside the lobe regions and/or the guide regions.
A parking lock unit for a drive arrangement, in particular with an electric motor, comprising: a parking lock casing, a parking lock wheel, which parking lock wheel is connected for conjoint rotation to a part of the drive arrangement which is mounted rotatably about an axis of rotation by means of at least one bearing, and which parking lock wheel has a connecting portion and a detent portion which are connected to one another by means of a web portion; a locking element which is mounted in the parking lock casing and which can lock and permit a rotational movement of the parking lock wheel about a longitudinal axis of the parking lock wheel, and a controllable locking actuator, which can transfer the locking element reversibly into a position in which it locks the parking lock wheel and a position in which it releases the parking lock wheel, wherein the parking lock wheel is designed such that the detent portion is axially offset relative to the connecting portion.
B60T 1/00 - Arrangements of braking elements, i.e. of those parts where braking effect occurs
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
To solve the problem of providing a method for producing a bellows, more particularly a roll bellows and a folding bellows, by means of which method bellows can be produced that can be used at higher temperatures such as those prevailing in modern articulated constructions, the invention proposes a method of this kind using a mixture, comprising at least one thermoplastic elastomer selected from the group of copolysters with a hard segment and a soft segment, wherein in a first step the at least one thermoplastic elastomer is mixed with approximately 0.8 wt.% to approximately 5 wt.% triallyl isocyanurate, based on the total amount of the mixture; in a second step the bellows is produced; and in a third step, the bellows is exposed to an ionising irradiation in a range from approximately 140 kGy to approximately 350 kGy.
In order to provide a rolling boot that has improved stability especially at increased rotational speeds, a rolling boot of said type comprises a first fastening region (12), a second fastening region (14), a transition region (16) adjacent to the first fastening region (12), as well as a diaphragm region (18) adjoining the transition region (16), and at least one peripheral reinforcement fin (42) is arranged on an external side (17) of the transition region (16).
The aim of the invention is to provide a bellows which can be readily secured on a joint housing in a sealing manner. Such a bellows is provided with a first and a second securing region and a folding region arranged therebetween. The first securing region has lobed regions and/or guide regions, connection regions, and a binder seat region which comprises at least two grooves at least in the lobed regions and/or in the guide regions starting from a binder seat region surface, said grooves being parabolic when viewed in the cross-section and having a different depth within the lobed regions and/or the guide regions.
The aim of the invention is to provide a bellows with an improved sealing action. For this purpose, a bellows is provided which comprises a first and a second fastening region and a bellows region located between the first and the second fastening region, wherein the first fastening region comprises lobe regions and/or guiding regions and connection regions and a connector seat region having a connector seat region surface and having an underside opposite the connector seat region surface, wherein at least one internal groove is located on the underside in the lobe regions and/or in the guiding regions.
A method is proposed to solve the problem of providing an improved method for at least partially extracting a mould core forming at least one undercut. In said method, the mould core has an inner core and a number of segments arranged around the inner core. The inner core is moved along a central longitudinal axis of the mould core, at least one group of first segments being moved in a movement direction perpendicular to the central longitudinal axis, and at least one group of second segments being moved in at least two movement directions in at least one plane, the vector of which is parallel to the central longitudinal axis.
The invention relates to an injection mould comprising a cavity and a mould core that has an undercut and can be arranged in said cavity, with an inner core (16) and four groups (A, B, C, D) of segments, the groups (A, B, C, D) each consisting of two segments.
The disclosure relates to an improved grease composition for use in constant velocity joints, especially ball joints and/or tripod joints used in the drivelines of motor vehicles, with the grease composition comprising at least one base oil, at least one simple or complex soap thickener, at least one zinc sulphonate, at least one molybdenum dithiocarbamate in the solid state, and at least one molybdenum dithiophosphate.
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 169/04 - Mixtures of base-materials and additives
C10M 169/06 - Mixtures of thickeners and additives
The aim of the invention is to provide a bellows (10) in which the formation of an internal pressure in the interior of the bellows can be avoided during assembly. This aim is achieved by such a bellows having a first fastening region (12) and a first diameter and having a second fastening region (40) having a second diameter, wherein the first diameter is smaller than the second diameter and wherein the first fastening region (12) comprises a binder seat region (14) on the outer periphery thereof, wherein, on an inner periphery (24) of the first fastening region (12), at least one first and at least one second aerating means (20, 22) are arranged at an axial distance from each other on the inner periphery (24), which is formed with a flat surface (25), and protrude from said surface (25) of the inner periphery (24).
A fastener, in particular for bellows, comprises a male end segment and a female end segment complementary to the male end segment. The fastener can be used to fasten bellows to joint housings and/or shafts, said fastener having improved closing behavior.
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
A fastening means, in particular for a bellows, comprises a male end segment and a female end segment complementary to the male end segment. The fastening means can be used to fasten bellows to joint housings and/or shafts. The fastening means has an inner undercut region in order to provide an improved closing behavior of the fastening means.
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
48.
A GREASE COMPOSITION FOR USE IN CONSTANT VELOCITY JOINTS
The invention relates to an improved grease composition for use in constant velocity joints (CVjs), especially ball joints and/or tripod joints used in the drivelines of motor vehicles, with the grease composition comprising at least one base oil, at least one simple or complex soap thickener, at least one zinc sulphonate, at least one molybdenum dithiocarbamate in the solid state, and at least one molybdenum dithiophosphate.
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10M 169/04 - Mixtures of base-materials and additives
C10M 169/06 - Mixtures of thickeners and additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
An inner joint part of a tripod constant velocity joint comprises a hub having an axis of rotation. Three projections extend radially outwardly. There is an adjoining transition region and a bearing region. A spherical circumferential surface of each projection forms a first surface line extending in a first plane. A resulting inner sphere contacts opposite points of the first surface line extending at least in first angle ranges adjacent to a respective point outside the inner sphere. A second surface line in a second plane touches the inner sphere at touch points only at the height of the largest diameter of the projection and extends at least in second angle ranges adjacent to the respective touch point within the inner sphere. A roller element has a convex inner circumferential surface, an extension line forming a radius having a maximum magnitude in a central region, less in an adjacent region.
F16D 3/202 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
50.
Constant velocity joint in the form of a counter track joint
A constant velocity joint comprises an outer joint part with a longitudinal axis and first and second outer ball tracks. The outer joint part comprises an attachment side and an aperture side. An inner joint part has a longitudinal axis and first and second inner ball tracks. with a torque transmitting ball 14 in each pair of tracks, and a ball cage 15 with cage windows 18 in which the balls 14 are held. In each angular position of the constant velocity joint 11 an opening angle is enclosed between an outer tangent and an inner tangent at the ball. At least one of the first and second pairs of tracks is designed such that, within a small articulation angle range comprising at least the joint central plane, at at least an articulation angle, an opening angle amounts to zero, and within a greater articulation angle range, an aperture-side opening angle of a first pair of tracks widens in the opposite axial direction relative to the aperture-side opening angle of a second pair of tracks.
F16D 3/224 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
51.
FASTENING MEANS, IN PARTICULAR FOR BELLOWS, HAVING AN INNER UNDERCUT REGION
The invention relates to a fastening means (10), in particular for bellows, comprising a male end segment (14) and a female end segment (16) complementary to the male end segment, and to the use of said fastening means to fasten bellows to joint housings and/or shafts. According to the invention, said fastening means has an inner undercut region (36) in order to provided an improved closing behavior of the fastening means.
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
The invention relates to a fastener (10), in particular for bellows, comprising a male end segment (14) and a female end segment (16) complementary to the male end segment, and to the use thereof to fasten bellows to joint housings and/or shafts, said fastener having improved closing behavior.
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
In a differential that is part of a selectively disconnectable or connectable secondary powertrain, a clutch device allows the input member of the differential, via which driving power is introduced into the differential, to be uncoupled from the output members to which the driving power is forwarded in a branched manner in order to be able to completely shut off part of the secondary powertrain in the disconnected state.
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
54.
METHOD FOR CONTROLLING AN ACTUATING ASSEMBLY FOR A CLUTCH, AN ACTUATING ASSEMBLY, AND A DRIVE ASSEMBLY HAVING AN ACTUATING ASSEMBLY OF THIS TYPE
The invention relates to a method for controlling an actuating assembly for a clutch in the drive train of a motor vehicle, wherein the actuating assembly has a drive (46) for displacing an actuating element (45) in order to actuate a clutch unit (12), wherein the method comprises the following steps: sensing a position signal representing the position P of the actuating element (45); sensing a force signal representing the actuating force F for displacing the actuating element (45); controlling the drive (46) by means of an electronic control unit depending on the position signal and the force signal. The invention further relates to an actuating assembly for carrying out the method and also a drive assembly having an actuating assembly of this type.
The invention relates to a drive arrangement for a motor vehicle, having a manual transmission (4) and a differential (5), wherein the manual transmission (4) has: a rotatably driveable drive shaft (9) and an intermediate shaft (10) parallel to the drive shaft (9), and at least a first shift stage and a second shift stage for transmitting torque from the drive shaft (9) to the intermediate shaft (10) with different gear ratios (i1, i2), and a shift unit (12); wherein the intermediate shaft (10) has an output gearwheel (18) for transmitting torque to a differential carrier (11) of the differential (5); wherein a rotation axis of the differential carrier (11) runs parallel to the intermediate shaft (10), wherein the output gearwheel (18) and the shift unit are arranged axially between the at least two shift stages; and wherein the drive shaft (9) has bores (75, 76, 77) for lubricant supply.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
The invention relates to a drive arrangement for a motor vehicle, comprising a shift transmission (4) and a differential transmission (5). The shift transmission (4) has a rotationally driveable driveshaft (9), an intermediate shaft (10) which is parallel to the driveshaft (9), at least one first shift stage with a first gear set (4, 15), and a second shift stage with a second gear set (14, 15) for transmitting a torque from the driveshaft (9) to the intermediate shaft (10) with different gear ratios i1, i2. The intermediate shaft (10) has an output gear (18) for transmitting a torque to a differential carrier (11) of the differential transmission (5), and a rotational axis of the differential carrier (11) runs parallel to the intermediate shaft (10). The output gear (18) is arranged axially between the at least two shift stages.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
The invention relates to a coupling assembly for a driveline of a motor vehicle, comprising: a first shaft (7); a second shaft (9); a coupling (3) which can selectively drivingly connect or disconnect the first shaft (7) and the second shaft (9); a brake (4) for braking the second shaft (9) relative to a stationary component (13); an actuating device (5) for actuating the coupling (3) and the brake (4), wherein the actuating device (5) comprises a ramp mechanism having a first ring (35) which is axially supported relative to the stationary component, and a second ring (36) which is axially movable relative to the first ring (35) when one of the first and second rings (35, 36) is rotated relative to another one of the first and second rings (36, 35).
B60K 17/344 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
To reduce the complexity and the outlay involved in the development and implementation in a vehicle of systems and methods known from the prior art for operating a differential-free, clutch-controlled balancing unit having a first clutch and a second clutch, the invention provides for the first clutch and the second clutch to be controlled independently of the driving conditions, and always using the same variable controlled variable of the same value.
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
59.
DIFFERENTIAL COMPRISING A COUPLING ASSEMBLY WITH A TARGET ELEMENT
A coupling assembly comprising a coupling which is arranged between a driving gear and a differential drive; a controllable actuator for actuating the coupling; a sensor for determining switching positions of the coupling; and a target element which cooperates with the sensor, wherein the target element is axially moved upon actuation of the actuator; wherein a first coupling part of the coupling is connected to a differential carrier of the differential drive and wherein a second coupling part of the coupling is held in a rotationally fixed and axially movable way relative to a differential housing of the differential drive, and wherein the target element is secured to the second coupling part by a bayonet-type connection.
2, defined by the first fold, where both are viewed in a longitudinal section direction along the main axis, is between approximately 1:1.01 to approximately 1:1.25.
F16D 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
61.
DRIVE ASSEMBLY AND METHOD OF CONTROLLING A DRIVE ASSEMBLY
The invention relates to a drive assembly for a motor vehicle, comprising a first gear and a second gear 6, wherein the first gear 5 and the second gear 6 are drivingly connected to one another; a lubricant filling which, in a static built-in condition of the drive assembly 2, defines a lubricant level; a first reservoir 3 which is arranged above the lubricant level and which, when the drive assembly 2 is being driven, can be filled with lubricant as a result of the rotation of the first gear 5; a second reservoir 4 which is arranged above the lubricant level and which, when the drive assembly 2 is being driven, can be filled with lubricant as a result of the rotation of the second gear 6. The invention also relates to a process of controlling such a drive assembly.
A constant velocity joint comprises an outer joint part with a longitudinal axis and outer ball tracks, wherein the outer joint part comprises an attachment side and an aperture side; an inner joint part with a longitudinal axis and inner ball tracks; a torque transmitting ball in each pair of tracks; a ball cage with cage windows in which the balls are held, wherein in each angular position of the constant velocity joint there is enclosed an opening angle δ between an outer tangent T and an inner tangent T′ at the ball, wherein at least one of the pairs of tracks is designed such that, inside a small articulation angle range, which comprises at least the joint central plane EM, in at least one joint articulation angle β, an opening angle δ amounts to zero, and that inside a larger articulation angle range, an aperture side opening angle δ of a ball moving towards the aperture side of the outer joint part and an attachment side opening angle δ of a ball moving at the same joint articulation angle β towards the attachment side of the outer joint part do not equal zero and open in the same axial direction.
F16D 3/2245 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere where the groove centres are offset from the joint centre
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
F16D 3/226 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part
F16D 3/24 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts comprising balls, rollers, or the like, between overlapping driving faces, e.g. cogs, on both coupling parts
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
63.
INNER JOINT PART AND ROLLER ELEMENT OF A TRIPOD CONSTANT VELOCITY JOINT
The invention relates to an inner joint part (1) of a tripod constant velocity joint (2), comprising a hub (3), which has an axis of rotation (4), and three projections (5), which extend outward from the hub (3) in a radial direction (6) and have a transition region (48) adjoining the hub (3) and a bearing region (59), wherein the following applies: the spherical circumferential surface (9) of each projection (5) forms a first surface line (10) extending in the first plane (8), wherein an inner sphere (13) having an inner-sphere radius (19) is specified, which inner sphere contacts the opposite contact points (52) of the first surface line (10); the first surface line (10) of each projection (5) extends at least in first angle ranges (20) adjacent to the respective contact point (52) outside the inner sphere (13); there exists a second surface line (15) in a second plane (16); and the second surface line (15) touches the inner sphere (13) at touch points (60) only at the height (11) of the largest diameter (12) of the projection (5) and extends at least in second angle ranges (34) adjacent to the respective touch point (60) within the inner sphere (13). The invention further relates to a roller element (28) of a tripod constant velocity joint (2) having a convex inner circumferential surface (29), wherein the extension line (25) of the inner circumferential surface (29) forms an extension line radius (23), the magnitude of which is at a maximum in a central region, and the magnitude of the extension line radius (23) is less in an adjacent region (62).
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
64.
CONSTANT-VELOCITY BALL JOINT IN THE FORM OF A CAGELESS TELESCOPIC JOINT, AND METHOD FOR PRODUCING A JOINT INNER PART
The present invention relates to a constant-velocity ball joint 1 in the form of a telescopic joint 2, at least having a joint outer part 3 with four first outer ball races 8 and four second outer ball races 9 arranged in alternating fashion in a circumferential direction 26; and having a joint inner part 10 which is positioned in the cavity 7 of the joint outer part 3 and which has first inner ball races 13 and second inner ball races 14 which extend on an outer surface 12 and which are arranged in alternating fashion in a circumferential direction 26, said first inner ball races and second inner ball races being separated from one another by alternately arranged first webs 21 and second webs 22, wherein respective first ball-guiding surfaces 23 are provided on the first webs 21 and respective second ball-guiding surfaces 24 are provided on the second webs 22. The constant-velocity ball joint 1 does not have a cage. The invention also relates to a method for producing a joint inner part.
The invention relates to a constant velocity joint comprising: an outer joint part (12) with a longitudinal axis (L12) and first and second outer ball tracks (22A, 22B), wherein the outer joint part (12) comprises an attachment side and an aperture side; an inner joint part (13) with a longitudinal axis (L13) and first and second inner ball tracks (23A, 23B); a torque transmitting ball (14) in each pair of tracks (22A, 23A; 22B, 23B); a ball cage (15) with cage windows (18) in which the balls (14) are held, wherein in each angular position of the constant velocity joint (11) an opening angle δ is enclosed between an outer tangent T and an inner tangent T' at the ball (14), wherein at least one of the first and second pairs of tracks is designed such that, within a small articulation angle range comprising at least the joint central plane EM, at at least an articulation angle β, an opening angle δ amounts to zero, and within a greater articulation angle range, an aperture-side opening angle δ of a first pair of tracks (22A, 23A) widens in the opposite axial direction relative to the aperture-side opening angle δ of a second pair of tracks (22B, 23B).
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
66.
Boot for joints, such as constant velocity joints, with a transition area
A boot for joints, such as constant velocity joints, has a first attachment region and a fold region with a plurality of folds with peaks and roots and a transition area adjacent to the last fold arranged near said first attachment region. The transition area includes a connecting root between said last fold in the transition part, wherein at least part of said transition part is inclined towards said first attachment region, and wherein said transition part, in a cross-sectional view in a direction of a main axis of the boot, has a convex or an essentially planar shape.
A counter track joint includes an outer joint part with first and second outer ball tracks, an inner joint part with first and second inner ball tracks. The first outer and inner ball tracks, together, form first pairs of tracks, which, when the joint is in an aligned position, widen towards the aperture end of the outer joint part and each accommodate first torque transmitting balls. The second outer and inner ball tracks, together, form second pairs of tracks which, when the joint is in the aligned position, widen towards the attaching end of the outer joint part and which each accommodate second torque transmitting balls. The centers of the balls of the first pairs of tracks each define a first track center line. The first track center line, in the direction from the central joint plane towards the attaching end extends radially inside a first reference arc.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/24 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts comprising balls, rollers, or the like, between overlapping driving faces, e.g. cogs, on both coupling parts
68.
MECHANICAL AND ELECTRIC DRIVE TRAIN OF A MOTOR VEHICLE AND MOTOR VEHICLE WITH MECHANICAL AND ELECTRIC DRIVE TRAIN
The invention relates to a mechanical and electric drive train of a motor vehicle having an internal combustion engine (1) and an electric motor (2), with a conventional drive train (3) which is driven by the internal combustion engine (1), an electric motor drive drain (4) which is driven by an electric motor (2), a manual gearbox (5) arranged in the conventional drive train (3) and at least one axle drive unit (6) for driving axle drive members which are connected or are connectable via a clutch to driving wheels (7) of at least one axle of the motor vehicle. The electric motor drive train (4) is frictionally connected between the manual gearbox (5) and the axle drive members to the drive train via at least one first clutch device (8), wherein the frictional connection can be produced and eliminated by actuation of the first clutch device (8).
B60K 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
B60K 17/35 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speeds including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
A joint in the form of a counter track joint is disclosed that comprises a joint outer part with first outer ball tracks and second outer ball tracks; a joint inner part with first inner ball tracks and second inner ball tracks; wherein first aperture angles are respectively formed between tangents to contact points of a ball with the first outer ball track and with the first inner ball track, and second aperture angles are respectively formed between tangents to contact points between a ball with the second outer ball track and with the second inner ball track. The first aperture angles of the first track pairs open towards a first side of the joint, and the second aperture angles of the second track pairs open towards a second side of the joint. Outer axial play is provided between the joint outer part and the ball cage. Inner axial play is provided between the ball cage and the joint inner part. Axial play permits relative axial displacement of the joint inner part with respect to the joint outer part.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
F16D 3/2233 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the track is made up of two curves with a point of inflexion in between, i.e. S-track joints
In order to provide for a rolling boot showing increased form stability compared to rolling boots known from the state of the art, such a rolling boot is suggested comprising a first fastening region (12) for fastening the boot to a joint casing (82), a second fastening region (14) for fastening the boot to a shaft (74), and a fold region (16) between the first and the second fastening region with a first fold (22) near to the first fastening region (12) and a second fold (24) near to the second fastening region (14), wherein it comprises further between the first fastening region (12) and the first fold (22) a first transition region (18) comprising a first flange (26) neighbouring the first fastening region (12) with a bottom (38), wherein a ratio between a first minimal diameter Dj, defined by the bottom (38) of the first flange of the first transition region, and a second maximal diameter D2, defined by the first fold (22), both if viewed in a longitudinal section direction along the main axis, is between approximately 1:1.01 to approximately 1:1.25.
The invention relates to a constant velocity joint comprising: an outer joint part 12 with a longitudinal axis L12 and outer ball tracks 22, wherein the outer joint part 12 comprises an attachment side and an aperture side; an inner joint part 13 with a longitudinal axis L13 and inner ball tracks 23; a torque transmitting ball 14 in each pair of tracks 22, 23; a ball cage 15 with cage windows 18 in which the balls 14 are held, wherein in each angular position of the constant velocity joint 11 there is enclosed an opening angle δ between an outer tangent T and an inner tangent T' at the ball 14, wherein at least one of the pairs of tracks is designed such that, inside a small articulation angle range, which comprises at least the joint central plane EM, in at least one joint articulation angle β, an opening angle δ amounts to zero, and that inside a larger articulation angle range, an aperture side opening angle δ of a ball 14 moving towards the aperture side of the outer joint part 12 and an attachment side opening angle δ of a ball 14 moving at the same joint articulation angle β towards the attachment side of the outer joint part 12 do not equal zero and open in the same axial direction.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
F16D 3/2233 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the track is made up of two curves with a point of inflexion in between, i.e. S-track joints
F16D 3/2245 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere where the groove centres are offset from the joint centre
72.
Folding bellows arrangement for a tripod joint unit
A folding bellows arrangement, e.g., for a tripod joint unit, may comprise a joint outer part with a groove, a folding bellows with a joint collar region for attachment to said joint outer part, and an adapter ring. The joint collar region may comprise a joint binder seat region. The adapter ring may have an inner surface that is matching in a cross section to an outer contour of the joint outer part. On an inner area of the joint collar region and within the joint binder seat region of the folding bellows, at least one bead may be arranged. The bead matching a groove may be arranged on an outer area of the adapter ring. The groove of the adapter ring may correspond to at least one first sealing lip arranged on an inner area of the adapter ring, and at least one second sealing lip may be arranged on the inner area of the adapter ring. The first and second sealing lips may be arranged within the groove of the joint outer part.
The invention elates to an electric drive assembly for a multi-axle driven motor vehicle which comprises an internal combustion engine, a multi-step transmission with an output shaft for driving a rear axle, as well as an optionally drivable front axle. The drive assembly comprises an electric machine (6), a reduction gearing (7) drivingly connected to the electric machine (6), a driveshaft (9) drivingly connected to the reduction gearing (7) and drivingly connectable to a front propeller shaft (65) for driving the front axle, and a housing 5 in which the electric machine (6) and the reduction gearing (7) are arranged. The housing (5) comprises connecting means (16) for connecting the drive assembly (2) to the multi-step transmission. The electric drive assembly is designed such that, with the electric drive assembly mounted at the multi-step transmission (56), a rear propeller shaft (57) can be connected at least indirectly to the output shaft of the multi-step transmission for driving the rear axle. Furthermore, the invention relates to a motor vehicle with such a driveline assembly.
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
74.
Boot for joints, such as constant velocity joints, with a transition area
A boot for joints, such as constant velocity joints, has a first attachment region and a fold region with a plurality of folds with peaks and roots and a transition area adjacent to the last fold arranged near said first attachment region. The transition area comprises a connecting root between said last fold in the transition part, wherein at least part of said transition part is inclined towards said first attachment region.
A counter track joint comprising: an outer joint part 12 with first outer ball tracks 22A and second outer ball tracks 22B, an inner joint part 13 with first inner ball tracks 23A and second inner ball tracks 23B, wherein the first outer ball tracks 22A and the first inner ball tracks 23A, together, form first pairs of tracks, which, when the counter track joint is in an aligned position, widen towards the aperture end of the outer joint part 12 and each accommodate the first torque transmitting balls 14A, wherein the second outer ball tracks 22B and the second inner ball tracks 23B, together, form second pairs of tracks which, when the counter track joint is in the aligned position, widen towards the attaching end of the outer joint part 12 and which each accommodate second torque transmitting balls 14B, wherein the centres of the balls 14A of the first pairs of tracks 22A, 23A each define a first track centre line A, wherein the first track centre line A, in the direction from the central joint plane EM towards the attaching end, at least by a partial portion A2, extends radially inside a first reference arc CRA.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
Joint (1) in the form of a counter track joint, comprising a joint outer part (2) with first outer ball tracks (3) and second outer ball tracks (4); a joint inner part (5) with first inner ball tracks (6) and second inner ball tracks (7); wherein first aperture angles (13) are respectively formed between tangents to contact points (14) of a ball (10) with the first outer ball track (3) and with the first inner ball track (6), and second aperture angles (28) are respectively formed between tangents to contact points (14) between a ball (10) with the second outer ball track (4) and with the second inner ball track (7), wherein the first aperture angles (13) of the first track pairs (8) open towards a first side (15) of the joint (1), and the second aperture angles (28) of the second track pairs (9) open towards a second side (16) of the joint (1), wherein, on the one hand, outer axial play (17) is provided between the joint outer part (2) and the ball cage (11), and, on the other hand, inner axial play (18) is provided between the ball cage (11) and the joint inner part (5), said axial play permitting relative axial displacement of the joint inner part (5) with respect to the joint outer part (2).
F16D 3/2237 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
The invention relates to a wheel hub/universal joint assembly comprising a wheel hub 3 with a wheel flange 9 for connecting a wheel and with a sleeve portion for receiving a wheel bearing 6; a constant velocity universal joint 5 with a joint component 24, wherein the joint component 24, at an end face facing the wheel hub 3, comprises first form-engaging means 27; an intermediate element 4 which can be connected to the wheel hub 3 for transmitting torque and which comprises a through-aperture 17, wherein the intermediate element 4, at an end face facing the constant velocity universal joint 5, comprises second form-engaging means 27; clamping means 18 for axially clamping the wheel hub 3 to the joint component 24, wherein the clamping means 18 are passed through the wheel hub 3 and the through-aperture 17 of the intermediate element 4 and are axially supported at the wheel hub 3 and at the joint component 24.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
78.
FOLDING BELLOWS ARRANGEMENT FOR A TRIPOD JOINT UNIT
A folding bellows arrangement (100) for a tripod joint unit is described, comprising a joint outer part (40) with a groove (44); a folding bellows (60) with a joint collar region (62) for attachment to said joint outer part (40), said joint collar region (62) comprising a joint binder seat region (64); and an adapter ring (10) with an inner surface (14) that is matching in a cross section to an outer contour of said joint outer part (40), characterised in that on an inner area (66) of said joint collar region (62) and within said joint binder seat region (64) of said folding bellows (60) at least one bead (72) is arranged, said bead (72) matching a groove (16) arranged on an outer area (12) of said adapter ring (10), wherein said groove (16) of said adapter ring (10) corresponds to an at least one first sealing lip (18) arranged on an inner area (14) of said adapter ring (10), and wherein on said inner area (14) of said adapter ring (10) at least one second sealing lip (20) is arranged, said first and second sealing lips (18, 20) being arranged within said groove (44) of said joint outer part (40).
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
F16D 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
79.
BOOT FOR JOINTS, ESPECIALLY FOR CONSTANT VELOCITY JOINTS, WITH A TRANSITION AREA
The present invention provides for a boot (10) for joints, especially constant velocity joints, having a first attachment region (12)and a fold region (16) with a plurality of folds (18) with peaks (20) and roots (22) and a transition area (24) adjacent to the last fold (18.1) arranged near said first attachment region (12), said transition area (24) comprising a connecting root (52) between said last fold (18.1) in the transition part (50), wherein at least part of said transition part (50) being inclined towards said first attachment region.
The invention relates to an electric drive for a motor vehicle comprising an electric motor 3 and a drive unit 4, wherein the drive unit 4 has a first gear stage 7, driveable by the electric motor 3, a second gear stage 8, driveable by the first gear stage 7, and a differential drive 9, driveable by the second gear stage 8, wherein the first gear stage 7 has a driving wheel 10 and an output wheel 12, wherein the driving wheel 10 is arranged coaxially to the output shaft of the electric motor 3 and is rotatingly drive- able by the electric motor 3 around a first rotational axis A, and wherein the output wheel 12 is drivingly connected to the driving wheel 10 and is rotatingly driveable around a second rotational axis B, wherein the second rotational axis B is arranged parallel off-set to the first rotational axis A, and wherein the second gear stage 8 and the differential drive 9 are arranged coaxially to the second rotational axis B. The invention relates further to a motor vehicle with such an electric drive.
The invention relates to an electric drive 2 for a motor vehicle comprising an electric motor 3 and a drive unit 4, drivable by the electric motor 3, wherein the drive unit 4 has a planetary drive 8 and a differential drive 9, which are arranged coaxially to a rotational axis A, wherein the planetary drive 8 comprises a ring gear 19, a sun gear 20, a plurality of planet gears 22 as well as a planet carrier 23, wherein the ring gear 19 is rotatingly driveable by the electric motor 3 around the rotational axis A, wherein the sun gear 20 is supportable or supported relative to a stationary component 17 against rotation, and wherein the planet carrier 23 is connected to a differential carrier 26 of the differential drive 9 so as to transmit torque thereto. The invention relates further to a motor vehicle with such an electric drive 2.
A boot comprising a fold region and an attachment region is disclosed. The attachment region comprises an outside with at least two circumferential ribs extending from a base surface towards the outside and providing for a binder seat surface.
A connecting assembly (2), more particularly for being used in the driveline of a motor vehicle. The connecting assembly comprises a housing (7) which comprises a first housing part (8) with a first flange portion (10) and a second housing part (9) with a second flange portion, and a driving gear (6) which comprises a receiving portion (63) for receiving the housing and a supporting face (65) which laterally delimits said receiving portion, wherein the first flange portion of the first housing part is axially arranged between the supporting face of the driving gear and the second flange portion (12) of the second housing part, and wherein the second flange portion is welded to the driving gear. The invention also relates to a method of producing a connecting assembly.
The invention relates to a differential assembly, more particularly for a motor vehicle driving axle drivable by an electric motor. The differential assembly 2 comprises a driving gear 6; a differential drive 3 with an input part 13 and two output parts 20, 22, wherein the output parts 20, 22 are drivingly connected to the input part 13 and, relative to one another, have a differential effect; a coupling 4 which is arranged effectively between the driving gear 6 and the differential drive 3, wherein, in the closed condition of the coupling 4, torque is transmitted from the driving gear 6 to the differential drive 3 and, in the open condition of the coupling 4, a transmission of torque is interrupted; a controllable actuator 5 for actuating the coupling 4 and a sensor 44 for determining at least three switched positions of the coupling 4. Furthermore, the invention relates to a driving assembly 47 with such a differential assembly 2.
The invention relates to a ventilation system for an assembly having components operating in lubricants. The ventilation system (2) comprises a housing part (4), a rotating component (7) which is mounted so as to be rotatable about a rotation axis A with respect to the housing part (4) by means of an anti-friction bearing (8), and a ventilation duct (5) for ventilating the assembly, wherein an internal mouth (6) of the ventilation duct (5) is disposed axially adjacent to the anti-friction bearing (8), and wherein the mouth (6) of the ventilation duct (5) at least partially covers the anti-friction bearing (8) in an axial view. The invention further relates to a gear arrangement comprising such a ventilation system.
A boot which has reduced deformations during operation is disclosed. The boot includes a first fastening region, wherein the first fastening region is displaced axially, with respect to the direction of a main axis of the boot, and with respect to a housing part on which the boot can be mounted, in such a way that the first fastening region at least partially projects beyond an edge of the housing part.
F16J 15/52 - Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
F16C 1/26 - Construction of guiding-sheathings or guiding-tubes
F16D 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
A rolling boot is proposed that has a first fastening region and a fold region with at least a first fold having a first fold peak region and a first fold flank near the first fastening region and, opposite this first fold flank, a second fold flank which is adjoined by a fold trough, wherein a transition region having a base surface is arranged between the first fastening region and fold region, and an angle a having a range from approximately 90° to approximately 140° is formed between the base surface and an outer side of the first fold flank, and the fold trough has a depth T which is, at most, approximately 65 percent of a height H of the first fold.
F16J 15/52 - Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
F16C 1/26 - Construction of guiding-sheathings or guiding-tubes
F16D 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
A joint arrangement in the manner of a counter track joint, wherein a cage is provided which is arranged between a joint outer part and joint inner part, which has a cage outer sphere with an outer sphere centripetal point and a cage inner sphere with an inner sphere center point and which has a plurality of cage windows which each hold at least one ball, wherein at least the outer sphere center point and the inner sphere center point of the cage are arranged offset with respect to the joint center plane.
F16D 3/224 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere
89.
PARKING LOCK FOR A MOTOR VEHICLE AND METHOD OF OPERATING A PARKING LOCK
The invention relates to a parking lock assembly for a motor vehicle having at least one electrically drivable driving axle (4). The parking lock comprises an electric drive (3), a shaft (5) which is arranged in the driveline of a motor vehicle and which is drivable by the electric drive (3), as well as a locking mechanism (6) which is controllable in the locking sense in order to prevent a rotational movement of the shaft (5) and which is controllable in the opening sense in order to release the shaft (5), wherein the electric drive (3) is controllable in order to transmit torque to the shaft if, in spite of the locking mechanism (6) being controlled in the opening sense, the shaft (5) is prevented from carrying out a rotational movement. Furthermore, the invention relates to a method of actuating such a parking lock assembly.
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
A boot is disclosed having a first attachment region which is assigned to a joint, and a second attachment region which is assigned to a shaft. The boot has a plurality of folds, including a first fold region with at least two folds with a diameter that decreases in the direction of the second attachment region and at least one revolving, separating element which is arranged in an annular fold root between two folds.
A cage having a plurality of cutouts for receiving rolling bodies of a joint includes a quenched and tempered steel, and the entire cage has a substantially uniform ductility over its cross section without surface hardening. The cage may be produced by forming a closed base body, cutting out a plurality of cutouts, fully hardening the cage by heating and subsequently quenching the cage, and tempering the cage.
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The invention relates to an angle drive arrangement for the drivetrain of a motor vehicle having a permanently drivable first drive axle and a switchable second drive axle. The angle drive arrangement comprises an input shaft (4) which can be driven in rotation about a first rotational axis (A1); a shift clutch (12) which is arranged coaxially with respect to the first rotational axis (A1) and which has a clutch input part (14) and a clutch output part (16) which can be coupled to one another in order to transmit a torque; an angle gearing (13) with a crown gear (18), which is arranged coaxially with respect to the first rotational axis (A1), and a pinion (19), which is mounted so as to be rotatable about a second rotational axis (A2) and which is in meshing engagement with the crown gear (18), wherein the second rotational axis (A2) is arranged at right angles to the first rotational axis (A1); wherein the crown gear (18) is fixedly connected to an intermediate shaft (17) which is mounted in a housing (3) by first and second bearing means (20, 21) so as to be rotatable about the first rotational axis (A1); wherein the first and second bearing means (20, 21) are arranged on the same side in relation to the second rotational axis (A2).
B60K 17/344 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
F16H 1/22 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shaftsToothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with arrangements for dividing torque between two or more intermediate shafts
The invention relates to an actuating assembly for engaging a drive axis in the drive train of a motor vehicle. Said actuating assembly (2) comprises a pump (16) for creating a hydraulic pressure; a pressure accumulator (18) that can be filled with hydraulic fluid by said pump (16) to create a prepressure; a first hydraulic actuation unit (5) for actuating a first clutch (3); a second hydraulic actuation unit (13) for actuating a second clutch (4); wherein at least one of the two first or second hydraulic actuation units (5, 13) can be subjected to hydraulic pressure from the pressure accumulator (18) and, after the at least partial emptying of the pressure accumulator (18), can be additionally pressurized by the pump (16), wherein the associated first or second clutch (3, 4) is actuated in the closing direction. The invention furthermore relates to a drive assembly (42) having an actuating assembly (2) according to the invention.
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
The invention relates to a drive assembly for a multi-axle driven motor vehicle. The drive assembly comprises a differential unit 3 having a rotational axis A, an input part 15 and two output parts 18 drivably connected to the input part 15, wherein both output parts 18 have a compensating effect among each other, an externally controllable selectable coupling 4 for drivably connecting the differential unit 3 to a drive source, an externally controllable locking coupling 5 for locking the compensatory movement between both output parts 18 of the differential unit, wherein the selectable coupling 4 and the locking coupling 5 are arranged coaxially to the rotational axis A.
The invention relates to a drive assembly for a multi-axle driven motor vehicle. The drive assembly (2) comprises a differential unit (3) having an input part (15) that can be rotationally driven about a rotational axis A, and two output parts (18, 18') driveably connected to the input part (15), wherein both output parts (18, 18') have a compensating effect on each other; an externally controllable selectable coupling (4) for the driveable connection of the differential unit (3) to a drive shaft (8), an externally controllable locking coupling (5) for locking the compensatory movement between both output parts (18, 18') of the differential unit (3); a first hydraulic actuating unit (6) for actuating the selectable coupling (4) and a second hydraulic actuating unit (21) for actuating the locking coupling (5); wherein the first hydraulic actuating unit (6), the selectable coupling (4), the second hydraulic actuating unit (21) and the locking coupling (5) are arranged coaxially to the rotational axis A.
B60K 17/35 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speeds including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
A constant velocity ball joint is disclosed. The constant velocity ball joint may be a counter track joint, and may include first and second track pairs that form an opposite opening angle. The first track pairs may be provided with a track inflection point. The second track pairs may each form a second track centerline that has a path other than a singular circular path in a section between the central joint plane and the connection side.
F16D 3/224 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere
97.
ADAPTER, IN PARTICULAR FOR FASTENING A BELLOWS TO A COMPONENT, HAVING AT LEAST ONE GUIDE MEANS
To solve the problem of providing an adapter (10) which can be arranged more easily on a component (12), in particular a component with a lobed outer contour, the invention proposes an adapter, in particular for fastening a bellows to a component, in particular having a lobed region (46), with the adapter having at least one guide means for guidance on the component, which guide means (14) extends beyond the edge of the adapter in a direction of a longitudinal axis of the adapter.
The present invention provides for a boot with a fold region (16) having a first attachment region (12) which is assigned to a joint with a binder seat region (18), the first attachment region comprising an outer surface (54), and an inner surface directed (56) to the joint, wherein on the inner surface at least two rib elements (30) are arranged on a first side region (58) of the first attachment region opposite the fold region, the at least two rib elements being separated from each other.
The present invention relates to a boot (10) comprising a fold region (2) and an attachment region (14,16), the attachment region comprising an outside (37) with at least two circumferential ribs (27) extending from a base surface (64) towards the outside (48) and providing for a binder seat surface (38).
The present invention provides for a boot (10) comprising a fold region (12) and an attachment region (14), the attachment region (14) comprising an inside (40) with at least two circumferential ribs (26, 28) with a first rib (26) and a second rib (28), wherein an inner diameter D2 of the second circumferential rib (28) is smaller than an inner diameter Dl of the first circumferential rib (26).
