Abstract

The invention relates to a flywheel on an output shaft of an internal combustion engine, said output shaft being driven by a starter in order to start the internal combustion engine. According to the invention, the starter ring gear that is driven by the starter is located axially between the housing of the internal combustion engine and the flywheel. The starter ring gear is only driven whilst torque is transmitted from the starter to the starter ring gear.

IPC Classes  ?

• F02N 15/02 - Gearing between starting-engines and started enginesEngagement or disengagement thereof
• B60K 6/10 - Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable mechanical accumulator, e.g. flywheel
• F16D 43/18 - Internally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial componentInternally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses themselves being the clutching members with friction clutching members
• F16D 45/00 - Freewheels or freewheel clutches combined with automatic clutches
• F16H 27/00 - Step-by-step mechanisms without freewheel members, e.g. Geneva drives

Abstract

The invention relates to a friction lining, comprising a friction part and a backing part. As a preform, wound from a strand material and treated with a binder, the friction part is subjected to hot pressing. It is suggested that the backing part be subjected to the hot pressing together with the preform, so that a bond is created between the friction part and the backing part by the polymerization of the binder.

IPC Classes  ?

• F16D 69/04 - Attachment of linings
• F16D 69/02 - Composition of linings

Abstract

The invention relates to a clutch actuator (1) and to a method for the control thereof, wherein the actuator actuates a multi-disk clutch, and to do so comprises actuator modules (2, 3), the number of which corresponds to the number of the friction clutches, said modules comprising separate control units (4) and electric motors (6), which are controlled by said control units and act on the friction clutches by means of a disengaging mechanism. In order to counter blockage of the partial drive trains disposed downstream of the friction clutches, particularly automatically closed friction clutches during a malfunction of an actuator module (2, 3), the actuator modules are connected among each other to a data line (11), which allows monitoring of the actuator modules (2, 3) and counter-measures.

IPC Classes  ?

• F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure

Abstract

A transmission arrangement for a vehicle is proposed, which is coupled to a drive motor by way of a starting element, wherein an adjustable crank mechanism is provided as the starting element, and wherein an input shaft of the crank mechanism on the drive side is coupled to a drive shaft of the drive motor.

IPC Classes  ?

• F16H 29/04 - Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts

Abstract

The invention relates to a link (21) for an inverted tooth chain (22), wherein the link (21) has two lateral arms (26) and two vertical arms (27), enclosing a link opening (23), wherein wear on the runners is reduced in comparison to conventional links by the arrangement of at least one recess (31) in at least one of the lateral arms.

IPC Classes  ?

• F16G 5/18 - V-belts, i.e. belts of tapered cross-section consisting of several parts in the form of links
• F16H 7/18 - Means for guiding or supporting belts, ropes, or chains
• B21L 9/06 - Sorting, feeding, assembling, riveting, or finishing parts of chains

Abstract

The invention relates to a link (2) for an inverted tooth chain (1), the link having two lateral arms (11, 12) and two vertical arms (9, 10), enclosing a link opening (6) wherein a simple check for given orientation within a link chain may be achieved by providing an indent (13, 14) on at least one of the lateral arms and at least one nose (16) on the outer contour of the link.

IPC Classes  ?

• F16G 5/18 - V-belts, i.e. belts of tapered cross-section consisting of several parts in the form of links
• B21L 9/06 - Sorting, feeding, assembling, riveting, or finishing parts of chains

Abstract

The invention relates to a hydraulic supply system for a hydraulically-operated automatic gearbox, comprising an electrically-driven auxiliary pump in addition to a pump driven by the internal combustion engine of a vehicle, supplying the system with hydraulic pressure with the pump in idle or supports the pump in the case of insufficient pumped supply. An output line from the auxiliary pump is connected to the control line of eh hydraulic supply system and to the supply line of the hydraulic system providing system pressure, wherein non-return valves are provided in the lines. A further non-return valve is arranged in a line leading from control line to a torque-sensing chamber in the automatic gearbox.

IPC Classes  ?

• F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
• F16H 61/30 - Hydraulic motors therefor
• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members

Abstract

A hydraulic system for a hydraulically actuated automatic transmission, especially a continuously variable transmission, comprises a pump (62) for supplying hydraulic pressure in a supply pipe (68) that is connected to a regulating valve (76) and is connected to a control pipe (80) by means of a pilot valve (92). A control valve (84) which allows the pressure in the control pipe to be adjusted is arranged in the control pipe, said pressure determining the position of the speed ratio-regulating valve. The hydraulic system further comprises an auxiliary pump (96) which can be driven by an auxiliary drive (94) that is separate from the drive of the pump. The discharge pipe of the auxiliary pump is connected to the control pipe by means of a first valve (106) that opens in the direction of the control pipe while being connected to the supply pipe by means of a second valve (110) which opens in the direction of the supply pipe.

IPC Classes  ?

• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members

Abstract

The invention relates to a hydraulic arrangement for controlling a belt-driven conical pulley transmission, comprising a pump taking in a working medium from a working medium tank or via a radiator return valve from a radiator return line. The invention is characterized in that the radiator return valve (69) is configured as a minimum-pressure valve which keeps a connection between the radiator return line (31) and a pump intake line (102) closed by the radiator return valve until a specified minimum pressure is no longer met in the radiator return line, and which opens the connection between the radiator return line and the pump intake line by the radiator return line as soon as the specified minimum pressure in the radiator return line is exceeded.

IPC Classes  ?

• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members

Abstract

The invention relates to a method for controlling the operation of a generator (20; 50) in a vehicle drive train comprising a drive machine (10), which is connected to a drive shaft (14) of the vehicle via a transmission (12; 60), said generator being connected to an electric energy accumulator (36). The torque transmission from the drive machine to the drive shaft can be interrupted (element 18). During interruption of the torque transmission between the drive machine (10) and the drive shaft (14), the generator (20) is driven by the drive shaft. The invention further relates to a corresponding drive train.

IPC Classes  ?

• B60K 6/48 - Parallel type
• B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
• B60K 6/543 - Transmission for changing ratio the transmission being a continuously variable transmission
• B60W 10/02 - Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
• 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
• B60W 10/26 - Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
• B60W 20/00 - Control systems specially adapted for hybrid vehicles
• B60W 30/18 - Propelling the vehicle

Abstract

The invention relates to a power transmission device for transferring power between a drive and an output, said device comprising at least one input and one output and a vibration-damping device which is arranged in a space that can be at least partially filled with an operating medium, especially oil, and is coupled to a damper that can be adapted to rotational speed. The invention is characterised in that, according to the oil influence, said damper is set to an effective order qeff which is higher than the order q of the exciting vibration of the drive, by an order adjustment value of qF.

IPC Classes  ?

• F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system
• F16F 15/167 - Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid having an inertia member, e.g. ring

Abstract

The invention relates to a force transmission device, particularly for the power transmission between a drive machine and an output side, comprising a damper arrangement having at least two dampers connectable in series and a rotational speed-adaptive oscillation damper. The invention is characterized in that the rotational speed-adaptive oscillation damper is disposed at least in a force flow direction over the damper arrangement between the dampers.

IPC Classes  ?

• F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system

Abstract

A compressor drive arrangement (10) for driving a compressor (12) of an internal combustion engine (16) comprises a variator (30, 60) and a planetary gear (40), wherein the planetary gear (40) is connected to the internal combustion engine (16) and the compressor (12) such that a first output shaft (42) of the planetary gear (40) is connected to the compressor (12), a first input shaft (20) of the planetary gear (40) is connected to the internal combustion engine (16), and a second input shaft (46) of the planetary gear (40) is connected to the internal combustion engine (16) by way of the variator (30, 60).

IPC Classes  ?

• F02B 39/04 - Mechanical drivesVariable-gear-ratio drives
• F02B 39/12 - Drives characterised by use of couplings or clutches therein

Abstract

The invention relates to a cone pulley pair assembly comprising an integrated torque sensor, in which assembly a torque-dependent force is transmitted to a sensor piston via a transmission component, the position of said piston determining the pressure in a sensor chamber. The transmission member is connected to the moving pulley and formed in such a way that it transmits the torque-dependent force to the sensor piston depending on the position of the moving pulley.

IPC Classes  ?

• F16H 9/18 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
• F16H 55/56 - Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
• F16H 63/06 - Final output mechanisms thereforActuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions

Abstract

The invention relates to a pipe line (1), in particular to a hydraulic line of a hydraulic system of a motor vehicle, comprising a first line section (2) and a second line section (3), wherein the second line section (3) is inserted into a connection zone (4) in the first line section (2), wherein the pressure tightness is increased in that in the connection zone (4) there is arranged a connecting means (7) which is located partly beneath the second line section (3) and partly within the first line section (2).

IPC Classes  ?

• F16L 31/00 - Arrangements for connecting hoses to one another or to flexible sleeves
• F16L 33/30 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses comprising parts inside the hoses only
• F16L 47/12 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with additional locking means

Abstract

Torque converter which has the following: a first damper stage (110; 222); a second damper stage (114; 224); a movable flange (112; 226) which connects the first and the second damper stages in a rotationally fixed manner; a mass inertia element (118; 212); and a dynamic torsion damper (120; 122; 232). The torsion damper connects the mass inertia element and the flange. In one preferred embodiment, the mass inertia element is a turbine. In one embodiment, the first damper stage is a radially outer damper stage and the second damper stage is a radially inner damper stage. In another embodiment, the torsion damper generates a frictional moment when it rotates.

IPC Classes  ?

• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a chain drive having at least two chain sprockets which are provided with teeth having involute toothing, and a ladder chain, in particular for a vehicle drive, which is in engagement with said teeth, which ladder chain comprises individual link plates which are arranged in rows and have openings, wherein the link plates have chain teeth (5) and are connected to one another such that they can move by means of cradle pieces which penetrate the openings. The chain drive is distinguished by the fact that the tooth flanks of at least one tooth of at least one of the chain sprockets are of different configuration.

IPC Classes  ?

• F16H 55/30 - Chain wheels

Abstract

The invention relates to a friction clutch, at least comprising a clutch housing having a pressure plate that can be displaced thereon non-rotatably and axially limited, wherein said pressure plate can be subjected by a lever system supported on the clutch housing to a contact force that is counter to the effect of energy accumulators acting between the clutch housing and the pressure plate with respect to a pressure plate fixed on the cover, while tensioning the friction linings of a clutch plate. To this end, wear of the friction linings is compensated for in that a resulting first distance between the pressure plate and lever system is compensated for by way of a rotation of a ramp system, which is disposed between the pressure plate and lever system, using a rotational device if, while the pressure plate is subjected to a maximum force by the lever system, a second predetermined distance is determined between the pressure plate and clutch housing, said second distance exceeding a predetermined value, and a rotation occurs during an alleviation of the pressure plate by the lever system and a displacement of the pressure plate occurs by means of the energy accumulators active between the pressure plate and the clutch housing.

IPC Classes  ?

• F16D 13/75 - Features relating to adjustment, e.g. slack adjusters

Abstract

Series damper (100, 200) which has the following: a first damper (100, 204) with a flange (112, 212) and a cover plate (110, 210); and a second damper (106, 206) with a first and a second cover plate (114, 116, 214, 216) and a flange (118, 218). The flange and the cover plate of the first damper are in rotationally fixed engagement, and the flange of the second damper rotates without frictional engagement with the first and second cover plates. The series damper has a compliant element (128, 220) which is set up for bringing about the frictional engagement of the flange and the cover plate of the first damper. In some embodiments, the compliant element is in frictional engagement with the cover plate of the first damper, and is set up for engaging frictionally into a turbine hub of a torque converter. In some embodiments, the compliant element is connected in a rotationally fixed manner with the flange of the first damper. In some embodiments, the flange of the first damper has the second cover plate of the second damper.

IPC Classes  ?

• F16F 15/123 - Wound springs
• F16H 45/00 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches

Abstract

Drive train (10, 110) having an internal combustion engine (8, 108) with a crankshaft (9) and a parallel shift transmission (19, 109) with two part drive trains with in each case one transmission input shaft (15, 16, 115, 116), wherein a transmission input shaft (116) is formed as a hollow shaft around the other transmission input shaft (15), and with a dual clutch (11) which is received rotatably on the hollow shaft, is connected in a rotationally fixed manner to the crankshaft (9) and has two friction clutches (13, 14, 113, 114) and two clutch plates (17, 18) which are assigned to in each case one clutch (13, 14, 113, 114) and are connected in a rotationally fixed manner to in each case one transmission input shaft (15, 16), wherein each clutch plate (17, 18) has a torsional vibration damper (128, 129) with a working range which is smaller than a maximum torque of the internal combustion engine. A build-up of a combined vibration comprising an axial vibration of the dual clutch (11) and a rotational vibration of the drive train (10, 110) during an overlap shift operation is prevented by the design of the torsional vibration dampers (128, 129) for a smaller torque.

IPC Classes  ?

• F16F 15/12 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
• F16H 3/00 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion

Abstract

The invention relates to a torque transmission device with an axially flexible disc part, which is arranged on a crankshaft of an internal combustion engine, and a transmission part which is arranged on the disc part radially to the outside, wherein the disc part is received on the crankshaft in an axially prestressed manner.

IPC Classes  ?

• F16F 15/315 - Flywheels characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft
• 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

Abstract

The invention relates to a slave cylinder and a release system, said slave cylinder being configured in particular as a CSC for a hydraulic system of a motor vehicle. While maintaining the axial extension of the working space of the piston axially movable in the slave cylinder, the force for actuating the clutch is increased in that the pressure chamber is sealed by two sealing elements having different diameters, and in that at least one energy accumulator is disposed in the pressure chamber of the slave cylinder, said energy accumulator generating a preload on the clutch release bearing operatively connected to the slave cylinder.

IPC Classes  ?

• F16D 25/08 - Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member

Abstract

The invention relates to a slave cylinder and a release system, said slave cylinder being configured in particular as a CSC for a hydraulic system of a motor vehicle. While maintaining the axial extension of the working space of the piston axially movable in the slave cylinder, the force for actuating the clutch is increased in that the pressure chamber is sealed by two sealing elements having different diameters, and in that at least one energy accumulator is disposed in the pressure chamber of the slave cylinder, said energy accumulator generating a preload on the clutch release bearing operatively connected to the slave cylinder.

IPC Classes  ?

• F16D 25/08 - Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member

Abstract

The invention relates to a friction lining, particularly a clutch friction lining for transmitting torque from an engine to a transmission.

IPC Classes  ?

• F16D 69/02 - Composition of linings

Abstract

The invention relates to an actuation system for a double clutch, comprising a guide sleeve disposed around the transmission input shafts of a double-clutch transmission connected downstream, two pistons being disposed on said sleeve axially displaceably by an actuator unit, each for actuating the clutches. The pistons can be displaced independently from each other, are locked into position, and overlap each other.

IPC Classes  ?

• F16D 21/00 - Systems comprising a plurality of mechanically-actuated clutches
• F16D 23/14 - Clutch-actuating sleevesActuating members directly connected to clutch-actuating sleeves

Abstract

The invention relates to a torsional vibration damper (1), wherein at least one energy accumulator (2) is radially supported on an axial projection (13) provided on the outside by way of at least one sliding shell (16). For this purpose, the sliding shell can be rotated relative to the axial projection and is positively connected to the energy accumulator.

IPC Classes  ?

• F16F 15/123 - Wound springs
• F16F 15/134 - Wound springs

Abstract

In order to configure a wear-resistant and high temperature-resistant friction lining, in particular for a transport roller, said lining comprises a wear-resistant friction component embedded in a matrix and an additional component, wherein the additional component is configured such that it is converted when exceeding a limit temperature while absorbing energy. Due to the endothermic reaction, a cooling effect takes place, which protects the friction lining. In particular a so-called PBO fiber is used as the friction component.

IPC Classes  ?

• F16D 69/02 - Composition of linings

Abstract

Friction clutch for use in a drive train having a pressure plate which is rotationally fixed with respect to a housing but which can be displaced axially to a limited degree, wherein at least one disc spring is provided between the housing and the pressure plate, which disc spring acts on the pressure plate in the axial direction, and the friction clutch also has a readjustment device which is effective between the housing and the disc spring and which ensures at least partial compensation of at least the friction lining wear of a clutch plate which interacts with the pressure plate when the friction clutch is mounted in the drive train, wherein the disc spring can pivot with respect to an annular support which is borne by the housing, and force is applied to said disc spring axially in the direction of this support via spring means, wherein the spring means comprise at least leaf-spring-like means (9), a disc-spring-like sensor spring (11) and at least one additional spring means (10).

IPC Classes  ?

• F16D 13/58 - Friction clutches Details
• F16D 13/75 - Features relating to adjustment, e.g. slack adjusters

Abstract

The invention relates to a rotary vibration damper having at least one driver element (21,22) which can be coupled via spring elements (24,27), which can be connected in series, to a hub (4) by means of flange elements (11,12). The invention is characterized by an intermediate flange (60) which can rotate relative to the flange elements (21,22) and relative to the hub (4) and against which rest two ends, which face towards one another, of the spring elements (24,27), wherein those ends of the spring elements (24,27) which face away from one another rest against different flange elements (11,12).

IPC Classes  ?

• F16F 15/123 - Wound springs

Abstract

In a hydraulic element, in particular for arranging in a pressure line between a master cylinder and a slave cylinder of a hydraulic clutch actuating arrangement, having a housing which has a master-cylinder-side hydraulic connection and a slave-cylinder-side hydraulic connection and which holds a valve arrangement, a simpler design is obtained in that the valve arrangement has two valve bodies which are mounted in a floating fashion in the housing and which can be moved relative to one another counter to the force of a spring.

IPC Classes  ?

• F16D 48/02 - Control by fluid pressure

Abstract

The invention relates to a method for controlling a dual clutch transmission in which two partial drive trains can each be coupled to an internal combustion engine by means of a clutch and transmit a moment to an output member. In said method, the moment of at least one clutch is reduced when a moment is transmitted by means of both clutches and in accordance with an occurring brake slip.

IPC Classes  ?

• B60K 28/16 - Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to, or preventing, spinning or skidding of wheels
• F16H 61/688 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
• F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure

Abstract

The invention relates to a torque converter (10) having a section (38, 52) of a housing (14, 12) which has a first end section (40, 54) and a second end section (42, 56). A ribbed area (46, 60) extends axially between the first end section and the second end section and radially beyond the first and the second section.

IPC Classes  ?

• F16H 41/24 - Rotary fluid gearing of the hydrokinetic type Details
• B21K 23/04 - Making other articles flanged articles
• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a clutch disengagement system, wherein at least one cylinder has a sealing groove for a dynamic seal, the contact area of said groove being reduced in relation to a smooth surface.

IPC Classes  ?

• F16D 25/08 - Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
• F16J 10/04 - Running facesLiners
• B29C 45/37 - Mould cavity walls

Abstract

The invention relates to a device for balancing torque variations of a rotatable shaft. Said device is characterized by comprising at least one energy storage which exerts a torque on the shaft depending on a rotational position of the shaft.

IPC Classes  ?

• F16F 15/10 - Suppression of vibrations in rotating systems by making use of members moving with the system
• F16F 15/22 - Compensation of inertia forces

Abstract

The invention relates to a master cylinder, e.g. for the actuation of a clutch or a brake of a motor vehicle, wherein a piston is axially displaceable inside a guide sleeve and the piston has a front recess in which a piston-side end of a piston rod is received. The guide sleeve and the piston rod are sealed from each other by means of a sealing bellows. An intermediate sleeve is located between the guide sleeve and the piston, is actively connected to the guide sleeve and axially fixes the sealing bellows on its piston rod side end.

IPC Classes  ?

• F16D 25/08 - Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
• F15B 7/08 - Input unitsMaster units
• B60T 11/16 - Master control, e.g. master cylinders

Abstract

The invention relates to a friction clutch (30) comprising a wear adjuster (2, 50) that compensates for wear in the form of incorrect spacing between the pressure plate (31) and the pressing plate (1, 32, 49) as a result of an abrasion of clutch friction linings, in that the incorrect spacing between the disk spring (8, 35) and the pressing plate is compensated for by means of a ramp device (13, 37, 51). To this end, the ramp device and the pressing plate are coupled to one another by means of a positive connection, which is temporarily suspended in order to compensate for the incorrect spacing, only when said incorrect spacing has been detected by a position sensor (41, 66).

IPC Classes  ?

• F16D 13/75 - Features relating to adjustment, e.g. slack adjusters

Abstract

The invention relates to a clutch release system with a master cylinder and a slave cylinder and with a pressure line connecting the two, a quick connect, which is characterized by a locking device, which is connected in one part with a portion of the quick connect, being disposed in the region of the line.

IPC Classes  ?

• F16L 37/098 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
• F16D 48/02 - Control by fluid pressure

Abstract

The invention relates to a device for damping vibrations, in particular a series damper, comprising at least two damper arrangements (5, 6) that are arranged coaxially, that are connected in series in the force flow and that are coupled together via an intermediate flange (15), respectively at least one means (8, 9) that comprises a spring unit (19) and that is used to transfer torque and to couple damping, said means being arranged successively when seen in the direction of the periphery, and at least two lateral disks (11, 12) that are rigidly connected together via means (26) for non-rotational coupling and are arranged at a distance from in other in the axial direction, the intermediate flange (15) and at least one additional flange (21) being arranged between said lateral disks. The invention is characterised in that said means (26) for non-rotational coupling, are arranged, in the radial direction, outside the spring units (19) of the damper arrangements (3, 5, 6) and inside the extension of the outer peripheral edge of the intermediate flange (15).

IPC Classes  ?

• F16F 15/123 - Wound springs
• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a device (1) for damping vibrations, in particular a multi-step series-parallel vibration damper, comprising at least two vibration arrangements (5, 7) that are mounted in parallel, that are arranged in a coaxial manner and each one respectively comprising at least one input part (8, 11) and one output part (10, 12), a first damper arrangement (5) that is configured as a series damper comprising at least two dampers (6.1, 6.2) that are coupled via an intermediate flange (23) and that are mounted in series, and a second damper arrangement (7) that is provided with circumferential backlash. The invention is characterised in that the output part (10) of the first damper arrangement (5) forms a structural unit with the output part (12) of the second damper arrangement (7) and the first and second damper arrangements (5, 7) are arranged in the radial direction on different diameters.

IPC Classes  ?

• F16F 15/123 - Wound springs
• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a device (1) for damping vibrations, in particular to a multi-stage torsional vibration damper, comprising at least two damper assemblies (5, 7), connected in series and arranged coaxially, a first damper assembly (5) forming a primary damping stage (3) and a second damper assembly (7) forming a preliminary damping stage (4). Said device is characterised in that the damper assembly that forms the primary damping stage is designed as a series damper comprising at least two dampers (6.1, 6.2) connected in series and is located along a larger diameter in the radial direction than the second damper assembly that forms the preliminary damping stage. The invention also relates to a device for damping vibrations, in particular to a multi-stage vibration damper, comprising at least two damper assemblies (5, 7) located in series, a first damper assembly (7) forming a preliminary damper and a second damper assembly (5) forming a primary damper. The invention is characterised in that the damper assembly that forms the primary damper stage is designed as a series damper comprising at least two dampers (6.1, 6.2) connected in series and is located along a larger diameter in the radial direction than the second damper assembly that forms the preliminary damping stage.

IPC Classes  ?

• F16F 15/123 - Wound springs

Abstract

The invention relates to a hydraulic arrangement (1) for an automatic transmission, which can be associated with an internal combustion engine (11) operable in a start-stop operation, comprising: - a hydraulic energy source (3) for supplying the hydraulic arrangement with hydraulic energy, - at least one electrically driven hydraulic pump (5) of the hydraulic energy supply for supplying the hydraulic arrangement with hydraulic energy during a stop phase of the internal combustion engine. In order to achieve a reduction of the consumption and CO2 emissions, it is provided that the electrically driven hydraulic pump can be additionally connected as needed during an operating phase of the internal combustion engine.

IPC Classes  ?

• F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion

Abstract

The invention relates to a device for damping torsional vibrations, in particular to a series damper assembly comprising at least two damper assemblies connected in series in the power train and means containing spring units (13) for coupling the damping action, each of said means being supported on opposing surface regions distributed around the periphery of an annular flange by projections that extend in the radial direction. The invention is characterised in that means (25) are provided for the axial support of the individual spring unit of a damper assembly.

IPC Classes  ?

• F16F 15/123 - Wound springs
• F16F 15/134 - Wound springs

Abstract

The invention relates to a torque transmission device with a torque converter arranged in the drive train of a motor vehicle, particularly a hydrodynamic torque converter or a fluid clutch, which torque converter comprises a turbine wheel and an impeller, which can be coupled via a pump coupling and at least one pump damper to a converter cover, and with at least one converter damper and a torque converter lock-up clutch.

IPC Classes  ?

• F16H 45/00 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches
• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a device (1) for damping vibrations, particularly a multistage damper, comprising at least two coaxially disposed damper arrangements (5, 7), which have at least one input part (8, 11) and an output part (10, 12) and are disposed on different diameters, a first damper arrangement (5) being disposed on the outside in the radial direction and configured as a series damper, comprising at least two dampers (6.1, 6.2) that are connected in series and coupled via an intermediate flange (23), and a second damper arrangement (7) being disposed on the inside in the radial direction. The solution according to the invention is characterized in that the intermediate flange (23) comprises at least two annular disk-shaped elements disposed at a distance in the axial direction and extending on both sides of the output part (12) of the first damper arrangement (5) at least in the region of the outer circumference (29) of the output part (12) of the first damper arrangement, each comprising openings (25) extending the circumferential direction.

IPC Classes  ?

• F16F 15/123 - Wound springs

Abstract

The invention relates to a countershaft transmission (1) comprising a transmission input shaft (2), a transmission output shaft (3) that is arranged along the same axis of rotation, and a countershaft (4) which is disposed parallel thereto. Pairs of toothed wheels (11, 12, 13, 14) that have a different transmission ratio can be shifted between the countershaft and the transmission input shaft to form individual gears, while the transmission input shaft and the transmission output shaft can be directly connected to form a direct gear. In order to design a particularly low-noise countershaft transmission, the rotary oscillations of the countershaft are damped when the direct gear is shifted.

IPC Classes  ?

• F16H 3/091 - 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 including a single countershaft
• F16H 57/00 - General details of gearing

Abstract

Disclosed is a damper (100) for a torque converter (102). Said damper comprises the following: a first plate (118) that has at least one first opening (128); a second plate (120) that has at least one second opening (130); and at least one first spring (134) which is disposed in the at least one first and second opening and encompasses the following: a radially internal part (136) that is in contact with the at least one first opening; a first and second radially external end (138) which are in contact with the first and second side of the at least one second opening and do not touch the first plate. In one embodiment, the at least one first opening comprises a third and a fourth side, and the radially internal part has a first and a second radially internal end which are in contact with the third and the fourth side. In another embodiment, the third and the fourth side do not touch the second plate.

IPC Classes  ?

• F16F 15/12 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
• F16H 45/00 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches

Abstract

The invention relates to a pressure relief valve for a hydraulic assembly, especially for controlling a cone pulley belt transmission. Said pressure relief valve comprises a perforated diaphragm for admitting a flow of a hydraulic medium, a blocking cone for blocking the perforated diaphragm, a spring mechanism that is assigned to the blocking cone and is used for pressing the blocking cone to the perforated diaphragm at a certain restoring force so as to create a sealing contact, and a hydraulic plate for receiving and guiding the blocking cone and the spring mechanism. The invention is characterized in that a transverse force-supporting element is associated with the blocking cone in order to angularly and axially align the blocking cone relative to the perforated diaphragm.

IPC Classes  ?

• F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded

Abstract

The invention relates to a volume flow control valve for a hydraulic arrangement for controlling a belt-driven conical pulley transmission, comprising: a control piston having a pressure surface and a pressure return surface disposed opposite thereof and acting counter thereto, a feed disk associated with the pressure surface, a cooler return disk that can be associated with the feed disk by means of a control flank of the control piston, a pressure return disk associated with the pressure return surface, and a pressure application disk disposed between the cooler return disk and the pressure return disk.

IPC Classes  ?

• F15B 13/04 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
• F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
• F16K 31/363 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor the fluid acting on a piston
• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members

Abstract

The invention relates to a drive unit for a motor vehicle, comprising at least one drive engine, one gearbox and one clutch unit which ensures the transmission of torque between the latter and has at least two friction clutches which are each assigned to a gearbox input shaft. If there is a malfunction in the control of a friction clutch, the transmission of torque is disrupted in drive train zone mounted downstream of the clutch unit.

IPC Classes  ?

• F16H 61/12 - Detecting malfunction or potential malfunction, e.g. fail safe
• F16H 61/688 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches

Abstract

The invention relates to a dual-mass flywheel (1) having a damper (8) comprising at least one spring (9) which is supported at one side on a flange (10) and at the other side on two mating disks (11) which axially encompass the flange (10), wherein at least one deflecting element (16) is arranged on the spring (9) and wherein the deflecting element is connected to guide rings (21) which axially encompass the mating disks (11).

IPC Classes  ?

• F16F 15/134 - Wound springs

Abstract

The invention relates to a friction clutch with a clutch disk (9) for transmitting torques in a drivetrain (5) of a motor vehicle (7), having a dynamic damper (19) which has a mass (21) and a rotary vibration damper (23), wherein the mass can be or is coupled to the clutch disk by means of an energy store (29) of the rotary vibration damper and by means of a slipping clutch (49) which is connected in series to the rotary vibration damper. The invention is characterized in that the slipping clutch has an axial spring friction element (39) which is fixedly assigned to the clutch disk and which is assigned to the rotary vibration damper in a frictionally engaging manner or so as to rotate in a sliding manner in the event of a maximum friction torque being exceeded, and which serves to exert an axial pressure force on the rotary vibration damper and to generate the friction torque.

IPC Classes  ?

• F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system
• F16D 13/64 - Clutch-platesClutch-lamellae
• F16F 15/129 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by friction-damping means

Abstract

The invention relates to a torque transmitting device comprising a hub of a turbine wheel of a torque converter. Said hub is disposed in the drive train of a motor vehicle to transmit torque between a drive unit and a transmission and can be coupled to a damper hub via a converter-bridging clutch by connecting a torsional vibration damper therebetween. A damper flange which is arranged between a primary and a secondary pressure chamber in an axial direction is fastened to the damper hub. The invention is characterized in that the damper flange has at least one through-hole which connects the primary to the secondary pressure chamber in order to allow the pressure to be compensated between the pressure chambers.

IPC Classes  ?

• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a clutch arrangement (1, K1, K2), in particular of disc-type design, comprising two clutch parts (4, 5, 6, 7) which have at least one element (4.1-4.n, 5.1-5.n, 6.1-6.n, 7.1-7.n) which forms a surface of a friction pairing and which bears friction surfaces, which clutch parts (4, 5, 6, 7) can be operatively connected to one another by means of an actuating device (8, 9), comprising a pressure element (10, 11), wherein the actuating force (FRes1, FRes2) which acts on the clutch parts is supported centrally on a support surface (14, 15) which is situated opposite the effective piston surface and which is aligned in the direction of said piston surface. The invention is characterized in that the final element, which forms a surface of a friction pairing, in the line of action of the actuating force has a thickness d which is smaller than the thickness of the other elements.

IPC Classes  ?

• F16D 13/52 - Clutches with multiple lamellae
• F16D 21/06 - Systems comprising a plurality of mechanically-actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric

Abstract

The invention relates to a method for controlling the slip of a vehicle clutch. According to said method, the difference between a speed signal of a drive-end input shaft of the clutch and a filtered speed signal of a transmission-end output shaft of the clutch are maintained at a desired value. The method comprises the following steps: a) a raw signal n_raw corresponding to a current speed of the transmission-end output shaft of the clutch (12) is used to calculate a sliding average n_ma the averaging range of N interrupts of which is adapted to a chatter frequency 1/T for a respective gear; b) the sliding average n_ma calculated in the current interrupt and a sliding average n_ma_old calculated during the previous interrupt are used to calculate a derivation of the sliding average n_dot; c) the calculated derivation of the sliding average n_dot and a smoothed derivation of the speed signal n_dot_filt_old calculated during the previous interrupt are used, in conjunction with a PT1 filter, to calculate a smoothed derivation of the speed signal n_dot_filt; d) the filter speed signal n_filt_old calculated during the previous interrupt and the smoothed derivation n_dot_filt are used to calculate a predicted speed signal n_pred for the current interrupt; e) the raw signal n_raw and the filter speed signal n_filt_old filtered during the previous interrupt are used to calculate a weighted average n_PT1; and f) the weighted average n_PT1 and the predicted speed signal n_pred are used to calculate the filter speed signal n_filt.

IPC Classes  ?

• F16D 48/06 - Control by electric or electronic means, e.g. of fluid pressure

Abstract

The invention relates to a wound friction coating and a method for the production thereof.

IPC Classes  ?

• F16D 69/02 - Composition of linings

Abstract

The invention relates to a torsional vibration damper, particularly a split flywheel, for the torque transmission in a drive train, having a primary (1, 11) and a secondary (2, 12) flywheel mass, which can be rotated relative to one another against the resistance of a first energy storage device (3, 13) and/or a second energy storage device (4, 14), which can be or is connected in parallel to the first energy storage device. The invention is characterized in that a mechanical variator (5, 15) can be or is connected in series to the first or the second energy storage device.

IPC Classes  ?

• F16F 15/131 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses

Abstract

The invention relates to a friction clutch with an integrated wear compensation element and a clearance sensor assembly (26), comprising: a carrying body (30) that can be non-rotatably attached to a pressure plate (16) of the friction clutch and has a through-hole (40) configured with an internal thread (38) and an external thread (46) configured on the outside thereof, a sensing component (42) that is received at least partially in the through-hole, said component comprising an external thread (44) for a non self-locking engagement with the internal thread (38) of the through-hole, a sleeve (50) with an internal thread (48), which is in self-locking engagement with the external thread (46) of the carrying body, wherein all threads are coaxial to one another and preferably have the same pitch, the sleeve comprising a contact surface for an adjusting element (14) of the friction clutch, and the sleeve and the sensing component being non-rotatably connected to one another in different relative rotary positions.

IPC Classes  ?

• F16D 13/75 - Features relating to adjustment, e.g. slack adjusters

Abstract

The invention relates to a clutch disengagement system having a lever engagement element for actuating a friction clutch, wherein the lever engagement element comprises a lever having two lever ends and a supporting point that can be displaced between the lever ends against the action of a spring device, wherein upon displacement of the supporting point the lever brings about an axial displacement of an actuation lever of the friction clutch and thereby an actuation thereof, and the spring device is made of at least one compression spring, which is tensioned pivotally resilient between a base plate fixed on the housing and the lever.

IPC Classes  ?

• F16D 23/12 - Mechanical clutch-actuating mechanisms arranged outside the clutch as such

Abstract

The invention relates to a vehicle transmission with a continuously adjustable transmission ratio, comprising a CVT variator (14) with two variator shafts (16, 18), an input shaft (10) that can optionally be brought in rotational engagement with one of the variator shafts, and an output shaft (12) that can optionally be brought in rotational engagement with one of the variator shafts, such that there are two forward travelling speed ranges of the CVT variator, said forward travelling speed ranges having opposed directions of torque transmission and their transmission ranges being always adjacent to one another.

IPC Classes  ?

• F16H 37/02 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings
• F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing

Abstract

The invention relates to structures of automatic vehicle transmissions, comprising a planetary gear connected to an input shaft and to an output shaft via a CVT variator with two variator shafts and by means of at least one toothed wheel pair. In this way, rotationally fixed connections between the transmission shafts, which correspond to various driving gears, can be achieved by means of toothed wheel pairs, which are provided with clutches, and/or shaft connections.

IPC Classes  ?

• F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing

Abstract

The invention relates to a device for damping vibrations, particularly a torsional vibration damper, comprising a primary mass unit (3) and a secondary mass (4), which are arranged coaxially to each other and are coupled to each other by means for torque transmission (5.1) and/or damping coupling (5.2), and a unit made of a transducer element (11) and a mass ring (12), which are connected to the primary mass unit (3). The invention is characterized in that the connection of the mass ring (12) and transducer element (11) to the primary mass unit (3) occurs substantially at a common diameter, as viewed in the circumferential direction on the primary mass unit (3).

IPC Classes  ?

• F16F 15/131 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses

Abstract

The invention relates to a method for engaging a driving gear in a vehicle transmission, comprising a torque converter that reduces the sudden vibrational bounce that frequently accompanies the engagement of a driving gear from the neutral position e.g. parking or neutral. Said method consists of the following: the low pressure of the brake pedal is recognised; the switching from the neutral gear in the vehicle transmission is determined; the pump coupling is released in the torque converter in which the pump coupling connects a pump in the torque converter to a rotating input, e.g. from the motor, into the torque converter and the pump coupling is gradually engaged. The gradual engagement begins according to a determined period of time after which the shifting motion of the gear lever stops. The invention also relates to a system for carrying out said method.

IPC Classes  ?

• F16H 61/06 - Smoothing ratio shift by controlling rate of change of fluid pressure
• F16H 61/62 - Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit by change of the mechanical connection of, or between, the runners involving use of a speed-changing gearing or of a clutch in the connection between runners

Abstract

The invention relates to a method for the production of a friction lining. The friction lining is produced in alternating layers wound in a helical shape and a star shape.

IPC Classes  ?

• F16D 69/02 - Composition of linings

Abstract

The invention relates to an articulated chain (1) embodied as an inverted-tooth chain that can be mounted in a vehicle drive or in other drives. The cradle-type joints (4) formed from link plates (2) and roller pieces (3) are designed in such a way that the rotational stop and noise reduction is improved, in spite of the play required in the joint. Furthermore, no additional orientation is required for the roller pieces during the assembly of the cradle-type joint. To this end, the contour of each roller piece (3) is designed with mirror symmetry both in the X axis and in the Y axis.

IPC Classes  ?

• F16G 13/04 - Toothed chains

Abstract

The invention relates to a friction clutch in the drivetrain of a motor vehicle, with a clutch release device, comprising a slave cylinder with a slave cylinder housing, which may be rotated by means of a cap bearing and is connected to the friction clutch in a rotationally and axially fixed manner by a fixing flange on the friction clutch and encloses an annular pressure chamber with a guide sleeve in which an axially displaceable annular piston is arranged which is axially connected to a release bearing which applies force to a radially inner region of a plate spring in the axial direction, wherein a pre-loading spring is arranged between the release bearing and cap bearing.

IPC Classes  ?

• F16D 25/08 - Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member

Abstract

In a self-adjusting friction clutch, a drive spring (22) which serves for wear adjustment and which is connected to a spring lever (10) which is designed in the manner of a plate spring is designed such that a pawl (60) which is provided on the drive spring moves in the radial direction in the event of a change in diameter of the drive spring.

IPC Classes  ?

• F16D 13/58 - Friction clutches Details
• F16D 13/75 - Features relating to adjustment, e.g. slack adjusters

Abstract

The invention relates to a force transmission device for arranging in a drivetrain between a drive machine and a gearing, comprising a housing part which is embodied as an input, can be driven and is connected to a pump wheel of a hydrodynamic machine, and an output, a switchable clutch device which is arranged between the input and output and can be actuated by means of a piston element which is guided in a pressure-tight fashion, so as to be movable in the axial direction, on the housing part so as to form a chamber which can be acted on with pressure medium, and means (16) for providing rotational locking between the housing part and the piston element. The invention is characterized in that the means for rotational locking comprise at least one spring device which is preferably designed in the form of a plate spring.

IPC Classes  ?

• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a plug-in connection for lines (2), particularly pressure lines for clutch disengagement and brake systems in vehicles, the plug-in connection being configured such that the position association of the plug-in part (3) in the sleeve part (1) is achieved without additional components, while creating an anti-turn mechanism at the same time, in that in a region defined by a contour (15) the thickness of the lateral surface of each plug-in part half (3a, 3b) of a two-piece plug-in part (3) has a diminished material strength, and the thickness of the sleeve part (1) has an increased strength on the inner lateral surface in the respectively corresponding region defined by a contour (16).

IPC Classes  ?

• F16L 37/098 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks

Abstract

The invention relates to a hydraulic system, particularly for motor vehicles, with a master cylinder and a slave cylinder which are connected by a hydraulic line in which a pump (31) is arranged. The invention is characterized in that the pump is driven by a drive train.

IPC Classes  ?

• B60T 17/02 - Arrangements of pumps or compressors, or control devices therefor

Abstract

The invention relates to a method for producing a friction lining. Said friction lining is wound in three layers with different winding ratios.

IPC Classes  ?

• F16D 69/02 - Composition of linings

Abstract

The invention relates to a method for producing a friction lining. Said friction lining is wound in three layers with different winding ratios.

IPC Classes  ?

• F16D 69/02 - Composition of linings

Abstract

The invention relates to a method for the production of a friction lining. The friction lining is produced from a winding body. The winding body is insert-molded with a polymer filler compound by means of an injection molding method.

IPC Classes  ?

• F16D 69/02 - Composition of linings
• B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles

Abstract

The invention relates to a torsional vibration damper with two side parts (21, 22) connected to one another in a rotationally fixed manner and between which at least one intermediate part, particularly two intermediate parts (11, 12), is/are disposed, said intermediate parts being rotatable to a limited extent relative to the side parts counter to the spring action of spring devices. The invention is characterized in that the torsional vibration damper comprises a pre-damping unit (44) that is effective up to a pre-damping angle and ineffective after said pre-damping angle is exceeded.

IPC Classes  ?

• F16F 15/123 - Wound springs

Abstract

The invention relates to a hydraulic system, comprising a pump for delivering a hydraulic fluid from a suction side to a pressure side, wherein an accumulator is disposed on the pressure side, wherein a hydraulic control valve is disposed between the pump and the accumulator, the valve having at least two valve positions, wherein the pressure side of the pump is connected to the accumulator in a first valve position and is separated from the accumulator in a second valve position, wherein the pressure side of the pump is connected to the suction side in a second valve position via the control valve, and a baffle is disposed between the outlet on the pressure side and a second return surface of the control valve.

IPC Classes  ?

• F15B 1/02 - Installations or systems with accumulators
• F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion

Abstract

The invention relates to a hydraulic system for controlling a twin-clutch transmission operating with wet clutches, said system containing a pump for generating a system pressure in a supply line, and a control valve device for subjecting each clutch actuator to actuating pressure derived from the system pressure and modulated according to operating states. Said system also comprises a system valve which guides hydraulic liquid conveyed by the pump into a return pipe when the system pressure is reached. The hydraulic liquid flowing through the return pipe can be supplied to the clutches for cooling same.

IPC Classes  ?

• F16H 57/04 - Features relating to lubrication or cooling
• F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion

Abstract

The invention relates to a device for the detection of the operating state of a friction lining on a friction lining carrier, which by the insertion of a chip operating according to the RFID principle for the detection of the operating state of the friction lining is simple to operate with regard to the analysis thereof and operates reliably against influencing factors, particularly in the environment of a motor vehicle.

IPC Classes  ?

• F16D 66/02 - Apparatus for indicating wear

Abstract

The invention relates to a torsional vibration damper, having a transfer element (2, 4) each on the input and output sides, wherein the elements can be rotated in relation to each other counter to at least one damping unit (12) provided between the same, having at least one long helical spring (15) effective in the circumferential direction.

IPC Classes  ?

• F16F 15/121 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
• F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs

Abstract

The invention relates to a hydraulic arrangement for controlling a twin-clutch transmission of a motor vehicle, said arrangement comprising: a hydraulic energy source for supplying the hydraulic arrangement with hydraulic energy by means of a hydraulic medium; a pressure accumulator for storing the hydraulic energy; and a clutch cooling device for cooling clutches of the twin-clutch transmission by means of the hydraulic medium. The invention is characterised in that a transmission lubrication process and/or a tranmission cooling process for cooling and/or lubricating a transmission of the twin-clutch transmission by means of the hydraulic medium is/are carried out, in addition to a prioritisation process for prioritising the supply of the pressure accumulator before the clutch cooling, and the clutch cooling before the transmission lubrication and/or transmission cooling by means of the hydraulic medium.

IPC Classes  ?

• F16H 57/04 - Features relating to lubrication or cooling

Abstract

The invention relates to a power transmission device (1) for use in drive trains, in particular of vehicles, comprising at least one input (4) that may be coupled to a driving engine and an output (5) that may be coupled to a downstream power transfer unit, comprising a hydrodynamic component (2) having at least one pump wheel (P) and a turbine wheel (T), a housing (12), and a switchable coupling device (3). The invention is characterized in that the support (A1, A2) for the switchable coupling device occurs in the axial direction between two piston elements that may be subjected to the pressure between the housing and hydrodynamic components, forming a chamber (28) that may be acted on by a pressure medium.

IPC Classes  ?

• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a hydraulic element (4) of a hydraulic system (1) for the actuation of a coupling (7) in a drive train of a vehicle, wherein the hydraulic element comprises a pressure chamber (38) that is at least partially surrounded by a housing (20) made of plastic, and wherein a connector piece (17) made of metal is provided for the hydraulic connection of the pressure chamber to a hydraulic line (6, 11, 12) in an opening (19) of the housing, said connector piece being axially fixed in the opening by at least one securing means acting in the axial direction, said axially acting securing means comprising a retaining washer with two legs (36) connected to one another by a spring-elastic flexible rib (37).

IPC Classes  ?

• F16D 25/12 - Details not specific to one of the before-mentioned types
• F16B 21/18 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devicesMeans without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft Details

Abstract

Disclosed is a method for controlling the clutches of a parallel transmission when shifting from a starting gear to a target gear. Said method, in which torque is transferred from the load-discharging clutch to the load-accepting clutch when shifting gears, encompasses the following steps: the transmissible torque of the load-accepting clutch is increased to the current engine moment; the transmissible torque of the load-discharging clutch is reduced; when shifting gears, the total torque comprising the transmissible torques of the load-discharging clutch and the load-accepting clutch is at least temporarily greater than the current engine moment, and the transmissible torque of the load-accepting clutch is greater than a threshold torque at which the torque of the load-accepting clutch is steadily increased from the initial torque transfer state to a final torque transfer state.

IPC Classes  ?

• F16H 61/04 - Smoothing ratio shift

Abstract

The invention relates to a hydraulic arrangement for controlling a continuously variable conical disc transmission having a variably adjustable transmission ratio of a motor vehicle. Said arrangement comprises: a first valve arrangement for controlling a contact pressure of the continuously variable conical disc transmission; a second valve arrangement for controlling the transmission ratio of the continuously variable conical disc transmission; a hydraulic energy source for supplying the hydraulic arrangement with hydraulic energy. Said invention is characterised in that a third valve arrangement is provided for controlling a forward coupling and a reverse coupling and for controlling a parking brake.

IPC Classes  ?

• F16H 61/02 - Control functions within change-speed- or reversing-gearings for conveying rotary motion characterised by the signals used

Abstract

The invention relates to a hydraulic arrangement for controlling a belt-driven conical disk transmission having a variable gear ratio of a motor vehicle, comprising an electric actuating device for the overall control of the hydraulic arrangement and a hydraulic parking brake releasing arrangement for controlling a parking brake. In order to provide an improved hydraulic arrangement, the parking brake has a locking mechanism in case of a power failure of the electric actuating device.

IPC Classes  ?

• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
• F16H 63/48 - Signals to a parking brake

Abstract

The invention relates to a hydraulic system for the actuation of a clutch and/or a variator of a belt-driven conical disk transmission having a variable gear ratio of a vehicle, particularly a commercial vehicle, comprising at least one hydraulic energy source and a torque sensor. The invention is characterized in that a control and check valve unit for supplying further consumer in addition to the torque sensor is switched between the hydraulic energy source, the further consumers and the torque sensor such that the torque sensor is supplied with hydraulic medium in a prioritized manner.

IPC Classes  ?

• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members

Abstract

The invention relates to a hydraulic arrangement for controlling a continuously variable conical disc transmission having a variably adjustable transmission ratio of a motor vehicle. Said hydraulic arrangement comprises: a first valve arrangement for controlling a contact pressure of the continuously variable conical disc transmission; a second valve arrangement for controlling the transmission ratio of the continuously variable conical disc transmission; a hydraulic energy source for supplying the hydraulic arrangement with hydraulic energy. Said hydraulic arrangement also comprises a third valve arrangement for controlling a forward coupling and a reverse coupling in order to improve said hydraulic arrangement.

IPC Classes  ?

• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
• F16H 63/48 - Signals to a parking brake

Abstract

The invention relates to a hydraulic arrangement for controlling a continuously variable conical disc transmission having a variably adjustable transmission ratio of a motor vehicle. Said hydraulic system comprises: a first valve arrangement for maintaining the contact pressure of the continuously variable conical disc transmission; a second valve arrangement for controlling the transmission ratio of the continuously variable conical disc transmission; a hydraulic energy source for supplying the hydraulic arrangement with hydraulic energy. The hydraulic arrangement also comprises a third valve arrangement for controlling a forward coupling and a reverse coupling in order to improve said hydraulic arrangement.

IPC Classes  ?

• F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members

Abstract

A conical-disc wraparound mechanism, which is contained in the drivetrain of a motor vehicle, having two conical discs (4, 5, 60) around which is wrapped a wraparound means (2), comprises a hydraulic system (50) for pressing the conical surfaces of the conical discs (4, 5, 60) against the wraparound means (2) and for the opposing adjustment of the spacing between the conical discs (4, 5, 60) for a transmission ratio adjustment, which hydraulic system (50) has a pump (52) which is driven by an internal combustion engine for driving the vehicle and which hydraulic system (50) is provided with an auxiliary oil source (74), by means of which a predetermined minimum pressure can be maintained in the hydraulic system (50) when the internal combustion engine is switched off.

IPC Classes  ?

• F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion

Abstract

The invention relates to a centrifugal pendulum mechanism comprising pendulum masses (10, 11; 61, 62; 75, 76) which are provided with pendulum roller tracks (21, 22; 31, 32) for pendulum rollers (16; 20; 30; 60) and are mounted in an oscillatingly movable fashion on a pendulum mass-supporting device (2; 52; 72) that has supporting roller tracks (23; 33) for the pendulum rollers (16; 20; 30; 60). The invention is characterized in that the pendulum roller tracks (21, 22; 31, 32) and the supporting roller tracks (23; 33) for the pendulum rollers (16; 20; 30; 60) are adjusted to each other in such a way that the pendulum rollers (16; 20; 30; 60) are prevented from hitting the roller tracks (21; 22; 31, 32; 23; 33) during normal operation.

IPC Classes  ?

• F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system

Abstract

A process for the production of a friction lining is proposed. It produces the friction lining from a friction mixture (22) comprising various components. The friction mixture is pressed in a friction-lining press (38) to give a friction lining. The friction mixture is pelletized prior to its introduction into the friction-lining press.

IPC Classes  ?

• B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
• F16D 69/02 - Composition of linings
• B29B 11/12 - Compression moulding

Abstract

The invention relates to a plate link chain (1), in particular a toothed plate link chain, composed of a multiplicity of plates (2,3) which form chain links (8,8') which are in each case connected to adjacent chain links by means of a joint (4, 5, 5', H), wherein some of the chain links comprise at least one guide plate (10), wherein at least some of in each case adjacent guide plates are designed such that said guide plates, at a limit angle of a deflection of two adjacent guide plates, come into the contact in the back-swing direction and thereby prevent a further deflection in the back-swing direction.

IPC Classes  ?

• F16G 13/04 - Toothed chains
• F16G 13/20 - Chains having special overall characteristics stiffPush-pull chains

Abstract

The invention relates to a torque transmission device in the drive train (1, 81, 121) of a motor vehicle for transmitting torque, which comprises a clutch (6), particularly a dual-clutch, and a support tube (64, 98, 145) that extends in the axial direction towards a housing (60), essentially a gear mechanism housing, and is radially arranged within at least one actuator bearing, in particular two actuator bearings (46, 47), as well as a bearing device (66, 96, 84, 135, 150) for the clutch. The invention is characterized in that a part of the clutch cover (45) facing the housing is supported by the bearing device (66) for the clutch (6).

IPC Classes  ?

• F16D 21/06 - Systems comprising a plurality of mechanically-actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric

Abstract

According to the invention, a starting clutch (B) running in oil is present in the drive train of a motor vehicle having an internal combustion engine (A) and a starter generator (C). To this end, the rotor (18) of the starter generator (C) is supported on a clutch cover (17) - at least indirectly - and the clutch cover (17) is rotationally fixed to the clutch bell (15) of the transmission (E).

IPC Classes  ?

• F16D 25/10 - Clutch systems with a plurality of fluid-actuated clutches
• F16D 25/12 - Details not specific to one of the before-mentioned types
• B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
• F16D 13/38 - Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
• F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae

Abstract

A conveyor (100) for an idle station of a press comprises a first plurality (103) of magnetizable conveyor rails; a second plurality (109) of magnetizable conveyor rails which can be axially off-set in relation to the first plurality of conveyor rails, and a plurality (144) of conveyor webs which can be magnetized to engage with the material (116). The first and second plurality of rails forms a conveyor path (101) along which material to be treated by a press is arranged for conveyance. The conveyor path can be displaced to axially displace the material along the conveyor path. In some embodiments, the second plurality of conveyor rails can be automatically displaced while they are in the press, the plurality of conveyor webs is arranged to magnetically engage in the lower side of the material, or the first and second plurality of conveyor rails and the plurality of conveyor webs is electromagnetic. The invention also relates to a method for conveying material to a press.

IPC Classes  ?

• B21D 43/08 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
• B65G 25/02 - Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement the carrier or impeller having different forward and return paths of movement, e.g. walking-beam conveyors
• B21D 43/05 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses

Abstract

The invention relates to a slave cylinder which is arranged concentrically about a transmission input shaft, in a hydraulic system for activating a clutch with a guide sleeve (2) which is manufactured from plastic and on whose lateral surface a piston (1) is axially movable. In order to form a stop (5, 9) at the clutch end of the guide sleeve, which stop (5, 9) at the same time carries out the function of providing captive attachment an which withstands a tearing-off force of more than 1000 N, said stop (5, 9) is embodied as a sleeve with a collar (5a, 9a) wherein the collar bears against the end face of the guide sleeve, and the sleeve is connected thereto in its interior in a positively locking fashion.

IPC Classes  ?

• F16D 25/08 - Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member

Abstract

The invention relates to an apparatus for suppressing eigen resonances in a hydraulic path which actuates a clutch, wherein a pressure line produces a connection between a master cylinder and a slave cylinder, and the apparatus, as a branch line, encloses a fluid column. The frequency of the fluid column can be tuned to the excitation frequency of each drive motor used in the system. The volume of the fluid column acts as a medium for the deexcitation frequency and can be varied by changing the length of the enclosure of the fluid column.

IPC Classes  ?

• F16D 48/02 - Control by fluid pressure
• F16L 55/04 - Devices damping pulsations or vibrations in fluids

Abstract

The invention relates to a drive train, particularly for a motor vehicle having a drive unit controlled by means of a control device and having a driveshaft and an element, which is operatively connected to said drive shaft and is driven by the same, wherein at least one state value of the driven element is read into the control device, and a balancing of the cylinder of the drive unit is carried out utilizing the at least one state value.

IPC Classes  ?

• F02D 41/14 - Introducing closed-loop corrections
• G01M 15/11 - Testing internal-combustion engines by detecting misfire

Abstract

The invention relates to a power transmitting device (1) for arrangement in a drive train between a drive machine and a transmission, having a clutch (2) that can be activated by applying pressure to a piston element (10), wherein the clutch is connected to a hub element (4) that is rotatably fixed to a transmission input shaft (20) by interposing a device (3) for attenuating oscillations. The invention is characterized in that at least one friction pairing (53) producing frictional torque can be generated parallel to the device for attenuating oscillations, at which the frictional torque can be adjusted as a function of the amount of the contact pressure present on the shiftable clutch (2).

IPC Classes  ?

• F16F 15/129 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by friction-damping means
• F16D 21/08 - Serially-arranged clutches interconnecting two shafts only when all the clutches are engaged

Abstract

The invention relates to a drive train, particularly for a motor vehicle having a drive unit controlled by means of a control device and having a drive shaft and an element, which is operatively connected to said drive shaft and is driven by the same, wherein at least one state value of the driven element is read into the control device, and a balancing of the cylinder of the drive unit is carried out utilizing the at least one state value.

IPC Classes  ?

• F02D 41/14 - Introducing closed-loop corrections
• F02D 41/00 - Electrical control of supply of combustible mixture or its constituents

Abstract

The invention relates to a power transmission device comprising an input (E) that can be coupled to a driving shaft, an output (A) that is coupled to a driven part, said output being especially a transmission input shaft, and a hydrodynamic component (2). The latter comprises an impeller (P) that can be connected to the input and a turbine wheel (T) that can at least be indirectly coupled to the output, and a damper unit (9) interposed between the turbine wheel (T) and the output (A). The damper unit comprises two damper stages (16, 17), a first radially outer damper stage (16) and a second radially inner damper stage (17) which are configured by respective devices for damping vibrations, comprising at least one input part (16.1, 17.1) and one output part (16.2, 17.2) that are coupled to one another via a spring and/or damping coupling. The invention is characterized by various coupling possibilities of the individual elements to the damper stages.

IPC Classes  ?

• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Abstract

The invention relates to a power transmission device (1) to be arranged in a drive train between a driving engine and a transmission, comprising an input (E) and an output (A), a hydrodynamic component (2) interposed between the input and the output and comprising a turbine wheel that can at least be indirectly coupled to the output, and a bearing assembly (19) for bearing the output on the input and further a bearing washer (22). The invention is characterized in that the bearing assembly comprises an axial plain bearing (20) which comprises a disk-shaped element that is interposed between the input and the output in the axial direction, that is non-rotatably connected to the input and that configures a bearing washer.

IPC Classes  ?

• F16D 1/10 - Quick-acting couplings in which the parts are connected by simply bringing them together axially
• F16H 45/02 - Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type