According to an example embodiment of the present invention, there is provided a wheel bearing assembly for rotatably mounting and supporting a wheel of a vehicle on a vehicle body. According to an example embodiment of the present invention, the wheel bearing assembly may comprise: a wheel hub to which the wheel of the vehicle is mounted and configured to rotate together with the wheel of the vehicle; at least one inner ring mounted on an outer circumferential surface of the wheel hub in a press-fitting manner; an outer ring mounted on and fixed to a vehicle-body-side member; a plurality of rolling elements configured to rotatably support the wheel hub and the inner ring relative to the outer ring; and a constant velocity joint coupled to the wheel hub. According to an example embodiment of the present invention, the constant velocity joint may be configured such that an outer axial end surface of a shoulder portion is in contact with an inner axial end surface of the wheel hub or the inner ring, and a low-friction metal alloy layer may be provided on one side of a contact surface between the outer axial end surface of the shoulder portion of the constant velocity joint and the inner axial end surface of the wheel hub or the inner ring.
A wheel hub (10) for a vehicle, according to an embodiment of the present invention, comprises: an inner hub portion (100) formed of a first material; and an outer hub portion (200) which is formed of a second material that has relatively low strength and low weight compared to the first material, is coupled integrally with at least part of the outer circumference of the inner hub portion (100), and comprises at least a pilot portion (18), wherein, on a wheel-side end surface (12) of the wheel hub (10), a flat surface (13) is formed on an inner side in the radial direction compared to the pilot portion (18) by the outer hub portion (200) and the inner hub portion (100) in corporation with each other, and a boundary (16) between the inner hub portion (100) and the outer hub portion (200) may be formed on the flat surface (13).
The present invention relates to a wheel speed sensor and a method for manufacturing the wheel speed sensor comprising: a main body which is a cylindrical hollow body opened downward and has a first concave part concave downward to one side in a radial direction; a plate-shaped terminal connection part which is provided inside the main body and is provided in the first concave unit; a terminal which is bent and extends upward from the terminal connection part and includes a terminal protruding to an upper portion of the main body to extend radially inward and be inclined upward; and an IC seated on the main body from the inside of the main body to the outside of the terminal connection part, wherein an IC connection part branched from the IC to extend upward and bent inward in the radial direction is provided inside the IC in the radial direction, and the IC connection part branched from the IC is provided to be bonded to the terminal connection part.
According to one embodiment of the present invention, the provided vehicle wheel bearing enables the wheel of a vehicle to be rotatably mounted on a vehicle body and supported. The vehicle wheel bearing according to one embodiment of the present invention may comprise: a wheel hub having a wheel-mounted flange; an inner ring mounted on the wheel hub; an outer ring mounted on and fixed to a chassis member of a vehicle; and a plurality of rolling elements for supporting the wheel hub and the inner ring to be rotatable relative to the outer ring. According to one embodiment of the present invention, the wheel hub can include: an inner hub part positioned at a vehicle body side; and an outer hub part positioned at a wheel side. According to one embodiment of the present invention, the inner hub part can include a cylindrical part extending in the axial direction, and a flange part extending radially outward from the cylindrical part, and the outer hub part can include an axial end face cover part that entirely or partially covers the outer axial end face of the flange part, and an outer peripheral cover part that partially covers the outer peripheral surface of the flange part. According to one embodiment of the present invention, the inner axial end of the outer peripheral cover part can be positioned axially outward relative to the inner axial end face of the flange part.
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
A seal for a wheel bearing of a vehicle, according to an embodiment of the present invention, comprises: a first seal portion which comprises a first support member, which is coupled to the inner ring of a wheel bearing of a vehicle, and a first seal portion body coupled to the first support member; and a second seal portion which comprises a second support member, which is coupled to the outer ring of the wheel bearing, and a second seal portion body coupled to the second support member, wherein the first support member comprises: a first cylindrical portion which comes into contact with the outer circumferential surface of the inner ring, a first loop-shaped portion extending outwardly in the radial direction from the outer end portion of the first cylindrical portion in the axial direction; and a second cylindrical portion which extends inward in the axial direction from the outer end portion of the first loop-shaped portion in the radial direction so as to face the first cylindrical portion, and the second seal portion body may comprise a grease lip configured so as not to come into contact with the first cylindrical portion.
According to one embodiment of the present invention, provided is a vehicle wheel bearing for rotatably mounting a vehicle wheel to a vehicle body and supporting same. The vehicle wheel bearing according to an embodiment of the present invention may comprise: a wheel hub on which a vehicle wheel is mounted such that same rotates together with the vehicle wheel; at least one inner race mounted on the wheel hub; an outer race coupled and fixed to a vehicle body-side member; multiple rolling elements for supporting the wheel hub and the inner race so as to be able to rotate with respect to the outer race; and a sealing member for preventing the inflow of foreign substances from the outside. According to an embodiment of the present invention, a sectional toothed portion may be provided on an inner axial section of the wheel hub or the inner race, and the sectional toothed portion may be configured to mesh with a corresponding sectional tooth portion formed on a constant-velocity so as to transmit power. According to an embodiment of the present invention, the sealing member may comprise: an outboard-side sealing member for performing sealing at an outer axial end portion of a bearing space portion in which the rolling elements are positioned; an inboard-side sealing member for performing sealing at an inner axial end portion of the bearing space portion in which the rolling elements are positioned; and a toothed portion sealing member for performing sealing around the sectional toothed portion. According to an embodiment of the present invention, the toothed portion sealing member may be configured to be press-fitted and mounted on the outer circumferential surface of the inner race, and a stopper portion may be provided on the outer circumferential surface of the inner race so as to prevent the toothed portion sealing member from being moved by the stopper portion.
One embodiment of the present invention may provide a vehicle wheel bearing which rotatably mounts and supports a wheel of a vehicle on a vehicle body. The vehicle wheel bearing, according to one embodiment of the present invention, may comprise: a rotating element that rotates along with a wheel of a vehicle; a non-rotating element that is mounted and fixed to a vehicle body; a plurality of rolling elements interposed between the rotating element and non-rotating element; and a sealing member mounted between the rotating element and non-rotating element to prevent foreign substances from being introduced thereto. According to one embodiment of the present invention, the sealing member may comprise: a first member mounted on one of the rotating element and non-rotating element of the wheel bearing; and a second member mounted on the other of the rotating element and non-rotating element of the wheel bearing. According to one embodiment of the present invention, the first member of the sealing member comprises: a press-fitting part; and a flange part extending from the press-fitting part in a radial direction. According to one embodiment of the present invention, the second member of the sealing member may comprise: a press-fitting part; a flange part extending from the press-fitting part in the radial direction; and an axial extension part extending from the flange part in an axial direction and disposed to face the press-fitting part of the first member. According to one embodiment of the present invention, the axial extension part may have a groove having a structure recessed in the radial direction and extending in a circumferential direction.
According to an embodiment of the present invention, a wheel bearing for a vehicle, which rotatably mounts and supports a wheel of a vehicle on a vehicle body, may be provided. According to an embodiment of the present invention, a wheel bearing for a vehicle may comprise: a rotary element rotating together with a wheel of a vehicle; a non-rotary element mounted and fixed to a vehicle body; a plurality of rolling bodies disposed between the rotary element and the non-rotary element; and a load sensor mounted on the non-rotary element. According to an embodiment of the present invention, the load sensor may comprise: a body unit mounted and fixed to a non-rotary element; and a sensing unit formed in the body unit, wherein the sensing unit includes a first sensing unit for measuring a radial load and a second sensing unit for measuring an axial load.
G01G 3/14 - Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
G01L 5/16 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
The present invention relates to a bearing assembly for an in-wheel motor, the bearing assembly comprising: a bearing; a rotor part which is coupled to a rotating race of the bearing and rotated integrally with the rotating race; a housing which is coupled to a stationary race of the bearing; and a resolver stator which is coupled to the housing and senses a resolver rotor provided in the rotor part, wherein: the rotor part includes an encoder rotor and the resolver rotor; and the encoder rotor and the resolver rotor are provided to be integrally coupled to the rotating race.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
10.
VEHICLE WHEEL BEARING HAVING SEALING MEMBER OF IMPROVED STRUCTURE
According to one embodiment of the present invention, provided is a vehicle wheel bearing that rotatably mounts a vehicle wheel to a vehicle body and supports the vehicle wheel. The vehicle wheel bearing, according to one embodiment of the present invention, may comprise: a rotating element that rotates along with the wheels of a vehicle; a non-rotating element that is fixedly mounted to a vehicle body; a plurality of rolling bodies interposed between the rotating element and non-rotating element; and a sealing member mounted between the rotating element and non-rotating element to prevent foreign substances from flowing thereinto. According to one embodiment of the present invention, the sealing member may comprise: a first member mounted on one of the rotating element and non-rotating element of the wheel bearing; and a second member mounted on the other of the rotating element and non-rotating element of the wheel bearing. According to one embodiment of the present invention, the first member (600) of the sealing member may comprise a first frame and an elastic sealing part attached to the first frame, and the second member of the sealing member may comprise a second frame and an elastic member attached to the second frame. According to one embodiment of the present invention, the elastic sealing part may comprise one or more sealing lips that make contact with the second member of the sealing member to form a seal, and the second member may have a convex-concave part in all or a portion of the area in which the sealing lips make contact therewith.
According to an embodiment of the present invention, provided are wheel bearings which rotatably mount and support vehicle wheels to a vehicle body. The wheel bearing according to an embodiment of the present invention may comprise: an outer ring that supports rolling bodies from the outer side in the radial direction; an inner ring that supports the rolling bodies from the inner side in the radial direction; and the rolling bodies spaced apart in the axial direction, in multiple rows, between the outer and inner rings. According to one embodiment of the present invention, the outer ring may comprise: a first outer ring provided with a track on the inner circumferential surface for a first row of rolling bodies; and a second outer ring provided with a track on the inner circumferential surface for a second row of rolling bodies; and a spacer assembly coupled between the first and second inner rings. According to an embodiment of the present invention, one axial end of the spacer attaches to the first outer ring and the other axial end attaches to the second outer ring, structuring the first and second outer rings into one integrated body by means of the spacer.
According to an embodiment of the present invention, provided are wheel bearings which rotatably mount and support vehicle wheels to a vehicle body. The wheel bearing according to an embodiment of the present invention may comprise: an outer ring for supporting rolling bodies from the outer side in the radial direction; an inner ring for supporting the rolling bodies from the inner side in the radial direction; and rolling bodies spaced apart in the axial direction, in multiple rows, between the outer and inner rings. According to one embodiment of the present invention, the inner ring may comprise: a first inner ring provided with a track on the outer circumferential surface for a first row of rolling bodies; and a second inner ring provided with a track on the outer circumferential surface for a second row of rolling bodies; and a spacer assembly coupled between the first and second inner rings. According to an embodiment of the present invention, the spacer assembly may comprise: a spacer disposed between the first and second inner rings in the axial direction; and a clip ring that clips onto the first and second inner rings, wherein the spacer and clip ring of the spacer assembly may couple to each other to form a single integrated structure.
According to one embodiment of the present invention, provided is a vehicle wheel bearing for rotatably mounting and supporting a vehicle wheel to a vehicle body. The vehicle wheel bearing according to one embodiment of the present invention may comprise: a wheel hub having a wheel-mounted flange; an inner race mounted on the outer peripheral surface of the wheel hub; an outer race having a vehicle-body-mounted flange; and a plurality of rolling elements for supporting the wheel hub and the inner race to be rotatable relative to the outer race. According to one embodiment of the present invention, the inner race can be fixed on the wheel hub by means of a formed-part formed by plastically deforming a vehicle-body-side end portion of the wheel hub, and a face-spline part is provided on the inner axial end face of the inner race and is toothed-coupled to a face-spline part provided on the outer axial end face of a constant-velocity joint. According to one embodiment of the present invention, an inner race can have, on the inner peripheral surface thereof, a recess recessed outward in the radial direction, the formed-part of the wheel hub can be inserted into the recess, and the recess can be provided at a position spaced toward the axial outer side from the inner axial end face of the inner race.
According to one embodiment of the present invention, the provided vehicle wheel bearing mounts and supports a vehicle wheel to be rotatable on a vehicle body. The vehicle wheel bearing according to one embodiment of the present invention may comprise: a wheel hub having a wheel-mounted flange; an inner ring mounted on the outer peripheral surface of the wheel hub; an outer ring having a vehicle-body-mounted flange; and a plurality of rolling elements for supporting the wheel hub and the inner ring to be rotatable relative to the outer ring. According to one embodiment of the present invention, an axial spline part is provided on the inner peripheral surface of the inner ring such that the axial spline part can be coupled to a spline coupling part provided on the outer peripheral surface of the wheel hub, and a face spline part is provided on the inner axial end face of the inner ring so as to be spline-coupled to a face spline part provided on the outer axial end face of a constant-velocity joint. According to one embodiment of the present invention, the axial spline part and the face spline part of the inner ring can be thermally treated to be hardened.
C21D 9/32 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for gear wheels, worm wheels, or the like
C21D 1/18 - HardeningQuenching with or without subsequent tempering
According to one embodiment of the present invention, provided is a sensor assembly used for detecting information related to the operating state of a vehicle. The sensor assembly according to one embodiment of the present invention may comprise: a body part; one or more speed sensing parts disposed in the body part so as to detect the rotational speed of a wheel; and one or more acceleration sensing parts disposed in the body part so as to detect acceleration information about the vehicle, wherein the speed sensing parts and the acceleration sensing parts can be disposed on different surfaces of the body part.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
16.
VEHICLE WHEEL BEARING INCLUDING SENSOR ASSEMBLY HAVING PLURALITY OF SENSING UNITS
According to an embodiment of the present invention, provided is a vehicle wheel bearing for rotatably mounting a vehicle wheel to a vehicle body and supporting same. The vehicle wheel bearing according to an embodiment of the present invention may include: a wheel hub provided with a wheel-mounting flange; an inner ring mounted on the outer circumferential surface of the wheel hub; an outer ring provided with a vehicle body-side mounting flange; a plurality of rolling elements that support the wheel hub and the inner ring so that the wheel hub and the inner ring can rotate relative to the outer ring; a target ring mounted on one side of the inner ring and rotating together with the inner ring; and a sensor assembly that detects information about the operation state of the vehicle. According to an embodiment of the present invention, the sensor assembly may include a first sensing unit and a second sensing unit which detect the information about the operation state of the vehicle, and a sensor provided in the second sensing unit may be positioned further outside in the axial direction than the inner axial end of the wheel hub.
According to an embodiment of the present invention, provided is a vehicle wheel bearing configured such that a vehicle wheel is rotatably mounted to and supported by a vehicle body. The vehicle wheel bearing according to an embodiment of the present invention may include: a wheel hub provided with a wheel-mounting flange; an inner ring mounted on the outer circumferential surface of the wheel hub; an outer ring provided with a vehicle body-side mounting flange; a plurality of rolling elements that support the wheel hub and the inner ring so that the wheel hub and the inner ring can rotate relative to the outer ring; an outboard-side sealing member that seals a space between the wheel hub and the outer ring; a target ring mounted on one side of the inner ring and rotating together with the inner ring; and a sensor assembly that detects information about an operating state of the vehicle. According to an embodiment of the present invention, the sensor assembly may include a wheel speed sensing unit that measures the rotation speed of the wheel by detecting changes in the magnetic field generated by a sensor target of the target ring that rotates together with the vehicle wheel. A sealing portion for preventing external foreign substances from entering inside is provided on one side of the sensor assembly.
According to an embodiment of the present invention, provided is a vehicle wheel bearing which rotatably mounts and supports a wheel of a vehicle to a vehicle body. A vehicle wheel bearing according to an embodiment of the present invention may comprise: a rotating element onto which a wheel of a vehicle is mounted and which rotates together with same; a non-rotating element mounted and fixed on a vehicle body; a plurality of rolling bodies interposed between the rotating element and the non-rotating element; and a sealing member attached between the rotating element and the non-rotating element so as to prevent inflow of foreign substances or leakage of internal lubricating oil. According to an embodiment of the present invention, the sealing member may comprise: a first member mounted on one of the rotating element and the non-rotating element of the wheel bearing; and a second member mounted on the other of the rotating element and the non-rotating element of the wheel bearing. According to an embodiment of the present invention, one or both of the first member and the second member of the sealing member may comprise an elastic sealing portion, and at least one of the elastic sealing portions may comprise at least one elastic sealing lip, and at least one of the elastic sealing lips may be formed as a non-coaxial sealing lip, the center of which is eccentric with respect to that of the vehicle wheel bearing.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
G01D 5/12 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means
19.
CAGE FOR BALL BEARING, AND BALL BEARING COMPRISING SAME
According to one embodiment of the present invention, a cage for a ball bearing is provided. The cage for a ball bearing, according to one embodiment of the present invention, may comprise: a ring-shaped cage body; a plurality of partitions which extend in the axial direction of the cage body, and which are spaced apart in the circumferential direction of the cage body; and pocket-forming parts formed in the vicinity of the plurality of partitions. According to one embodiment of the present invention, a pocket can be formed between the plurality of partitions, which are adjacent to each other, and the pocket-forming part can be formed so as to encompass the pocket. In addition, an oil storage part is formed on the outer surface and/or inner surface of the pocket-forming part along the radial direction of the cage body such that oil stored in the oil storage part can be supplied to the pocket.
F16C 33/66 - Special parts or details in view of lubrication
F16C 19/02 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
20.
CAGE FOR BALL BEARING AND BALL BEARING COMPRISING SAME
According to an embodiment of the present invention, a cage for a ball bearing is provided. A cage for a ball bearing according to an embodiment of the present invention may comprise: a ring-shaped cage body; a plurality of partition walls which extend in an axial direction of the cage body, and are formed to be spaced apart along a circumferential direction of the cage body; and a ball support portion formed to extend in the axial direction from an end opposite to the cage body along the axial direction in each of the plurality of partition walls. According to an embodiment of the present invention, a pocket is formed between the plurality of partition walls which are adjacent to each other, an oil storage portion is formed on at least one surface among an outer surface and an inner surface along a radial direction of the plurality of partition walls, and oil stored in the oil storage portion may be configured to be supplied to the pocket.
F16C 33/66 - Special parts or details in view of lubrication
F16C 19/02 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
One embodiment of the present invention provides a vehicle wheel bearing which rotatably mounts a vehicle wheel to a vehicle body and supports the vehicle wheel. A vehicle wheel bearing according to one embodiment of the present invention may comprise: a wheel hub having a wheel mounting flange; one or more inner races press-fitted to be mounted on the outer peripheral surface of the wheel hub; an outer race having a vehicle body side mounting flange; and a plurality of rolling bodies for supporting the wheel hub and the inner races such that the wheel hub and the inner races are relatively rotatable with respect to the outer race. According to one embodiment of the present invention, a receiving space capable of receiving a rolling element of a constant velocity joint may be provided at the body side end of the wheel hub, a recess formed by being depressed radially outward may be provided in the inner peripheral surface of the receiving space, and the preload clearance of the wheel bearing may be set in the range of -0.050 to -0.005mm.
F16C 19/04 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
F16D 3/22 - 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
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
According to an embodiment of the present invention, provided is a wheel bearing which mounts the wheel of a vehicle to a vehicle body to be rotatable and supports the wheel. A wheel bearing assembly according to an embodiment of the present invention may comprise: a wheel hub provided with a wheel mounting flange; at least one inner wheel press-fitted and mounted on the outer circumference of the wheel hub; an outer wheel provided with a vehicle body-side mounting flange; and a plurality of rolling elements supporting the wheel hub to be rotatable relative to the outer wheel. According to an embodiment of the present invention, an accommodation space which can accommodate the rolling element of a constant velocity joint may be provided in the end portion of the wheel hub at the vehicle body side, and a recess formed to be recessed to the outer side in the radial direction may be provided in the inner circumference of the accommodation space. According to an embodiment of the present invention, a plurality of recesses are provided to be spaced apart from one another in the circumferential direction, and the length of the recess in the axial direction may be 50% or greater of the length of the wheel hub in the axial direction.
F16C 19/04 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
F16D 3/22 - 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
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
According to an embodiment of the present invention, provided is a wheel bearing assembly for supporting and rotatably mounting a vehicle wheel to a vehicle body. The wheel bearing assembly according to an embodiment of the present invention may comprise: a wheel hub that is provided with a wheel mounting flange and has an accommodation space formed at the vehicle body-side end so as to accommodate a rolling member of a constant velocity joint; one or more inner races that are press-fitted and mounted to the outer circumferential surface of the wheel hub; an outer race having a vehicle body-side mounting flange; a plurality of rolling elements that support the wheel hub so that the wheel hub can rotate relative to the outer race; a boot fastening ring that is press-fitted and mounted to the outer circumference of the wheel hub; and a rubber boot that prevents foreign substances from entering the accommodation space of the wheel hub. According to an embodiment of the present invention, the boot fastening ring can be press-fitted and mounted to the outer circumferential surface of the wheel hub with an interference amount greater than or equal to a minimum interference amount (a) calculated according to [Equation 1] below. [Equation 1] a = -0.00005 x D + 0.0345 [D: Inner diameter of boot fastening ring]
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 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
According to an embodiment of the present invention, provided is a wheel bearing assembly for mounting a vehicle wheel on a vehicle body to be rotatable and supporting same. The wheel bearing assembly according to an embodiment of the present invention comprises: a wheel hub which is provided with a wheel mounting flange and has an accommodation space formed in the end portion of a wheel body side, the accommodation space accommodating the rolling member of a constant velocity joint; at least one inner wheel press-fitted and mounted onto the outer circumference of the wheel hub; an outer wheel provided with a vehicle body-side mounting flange; a plurality of rolling elements supporting the wheel hub to be rotatable relative to the outer wheel; a boot fastening ring press-fitted and mounted on the outer circumference of the wheel hub; and a rubber boot preventing foreign matters from flowing into the accommodation space of the wheel hub from the outside. According to an embodiment of the present invention, one or more accommodation grooves may be provided in the axial direction cross-section of the boot fastening ring at the vehicle body side, the accommodating groove having a recessed structure in the 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 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
According to one embodiment of the present invention, provided is a wheel bearing assembly for rotatably mounting a vehicle wheel to a chassis and supporting same. A wheel bearing assembly according to one embodiment of the present invention may comprise: a wheel hub having a wheel-mounting flange and having a containing space formed on a chassis-side end so as to contain a rolling member of a constant-velocity joint; one or more inner races press-fitted and mounted to the outer peripheral surface of the wheel hub; an outer race having a chassis-side mounting flange; multiple rolling elements for supporting the wheel hub to be able to rotate relative to the outer race; and a rubber boot for preventing external foreign materials from entering the containing space of the wheel hub. According to one embodiment of the present invention, the inner race may be configured to be fixed by a forming portion formed by plastically deforming the chassis-side end of the wheel hub. According to one embodiment of the present invention, the rubber boot may comprise a boot portion, a wheel-side mounting portion provided on a wheel-side end of the boot portion, and a chassis-side mounting portion provided on a chassis-side end of the boot portion. The wheel-side mounting portion of the rubber boot may be configured so as to be engagement-coupled and mounted to the forming portion.
F16C 19/04 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
F16D 3/22 - 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
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
26.
PRELOAD NUT ASSEMBLY HAVING LOOSENING PREVENTION STRUCTURE AND WHEEL BEARING COMPRISING SAME
According to an embodiment of the present invention, a preload nut assembly for applying a preload to a bearing device is provided. The preload nut assembly according to an embodiment of the present invention may comprise: a preload nut which has a screw portion formed in the inner circumferential surface thereof and is coupled to the bearing device; a washer member which is coupled to the bearing device on one side of the preload nut; and a fastening clip for fastening the preload nut to the washer member. According to an embodiment of the present invention, the preload nut may include a first flange protruding outward in the radial direction. According to an embodiment of the present invention, the washer member is provided with a protrusion portion on the inner circumferential surface thereof, the protrusion portion protruding inward in the radial direction, and a plurality of coupling holes which are formed in a body and are spaced apart from one another in the circumferential direction. According to an embodiment of the present invention, the fastening clip may include a coupling unit coupled to the first flange of the preload nut, and an axial direction extension portion which is inserted in the coupling hole of the washer member.
F16B 39/24 - Locking of screws, bolts, or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
According to one embodiment of the present invention, provided is a wheel bearing assembly for rotatably mounting a vehicle wheel on a vehicle body and supporting same. A wheel bearing assembly according to one embodiment of the present invention may comprise: a wheel bearing in which a rotating element is supported so as to be rotatable relative to a non-rotating element through a rolling element; and a brake disc mounted on the rotating element of the wheel bearing. According to one embodiment of the present invention, a brake disc may comprise: a friction plate that makes frictional contact with a brake pad; and a disc-mounting part used for coupling the friction plate to the rotating element of the wheel bearing. According to one embodiment of the present invention, one side from among a rotating element of a wheel bearing and a disc-mounting part of a brake disc has a coupling protrusion part that protrudes in the radial direction, and another side from among the rotating element of the wheel bearing and the disc-mounting part of the brake disc has a coupling recess in which the coupling protrusion part is inserted and coupled, and the coupling protrusion part can be accommodated in and coupled to the coupling recess in a state in which a fastening clip is interposed therebetween.
A wheel bearing assembly according to an embodiment of the present disclosure comprises: an outer wheel which is coupled to a suspension of a vehicle and is fixed to a vehicle body; a wheel hub which is configured to rotate relative to the outer wheel and includes a cylindrical portion and a joint portion extending from the cylindrical portion and having a screw thread formed on the outer circumferential surface thereof; at least one inner wheel which is fitted onto the outer circumferential surface of the wheel hub and is installed; at least one rolling element interposed between the wheel hub on which the inner wheel is installed and the outer wheel; a nut which is screw-coupled to the screw thread formed on the joint portion of the wheel hub and which provides the inner wheel with the preload; and a ring installed between the nut and the wheel hub, for preventing the nut from loosening.
According to one embodiment of the present invention, provided is a wheel bearing which rotatably mounts a vehicle wheel of a vehicle to a vehicle body and supports the vehicle wheel thereon. The wheel bearing according to one embodiment of the present invention may comprise: a rotating element that is mounted on the vehicle wheel and rotates with the vehicle wheel; a non-rotating element that is mounted and fixed on the vehicle body; at least one rolling element that is interposed between the rotating element and the non-rotating element; a sensor target that is mounted on the rotating element and rotates with the rotating element; and a wheel speed sensor that is disposed adjacent to the sensor target so as to detect the rotational speed of the rotating element. According to one embodiment of the present invention, the wheel speed sensor comprises a first sensing unit and a second sensing unit for sensing a change in a magnetic field due to rotation of the sensor target, and the second sensing unit may be configured to be spaced apart from the first sensing unit in the longitudinal direction and the width direction of the wheel speed sensor.
According to an embodiment of the present invention, provided is a wheel bearing assembly for rotatably mounting and supporting a vehicle wheel on a vehicle body. A wheel bearing assembly according to an embodiment of the present invention may comprise: a wheel hub provided with a vehicle wheel mounting flange; at least one inner race mounted to the wheel hub; an outer race provided with a vehicle body-side mounting flange; and one or more rolling elements for rotatably supporting the wheel hub and the inner race with respect to the outer race. According to an embodiment of the present invention, an accommodation space for accommodating a constant velocity joint can be formed inside a vehicle body-side end portion of the wheel hub, and one or more recesses for accommodating a rotary element of the constant velocity joint can be provided on the inner circumferential surface of the accommodation space along the circumferential direction. According to an embodiment of the present invention, a boot fastening ring, to which a rubber boot for preventing foreign substances from entering the accommodation space is mounted, can be provided in the wheel hub. The inner race has an inner circumferential surface formed as a cylindrical structure and is press-fitted and mounted to a press-fitting part formed in the wheel hub. The boot fastening ring has an axially-extending spline portion on the inner circumferential surface thereof, and can be configured so as to be coupled and mounted to a corresponding spline portion of a spline mounting part formed on the outer circumferential surface of the wheel hub.
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
One embodiment of the present invention provides a wheel speed sensor mounted in a wheel bearing to detect the rotational speed of a wheel. The wheel speed sensor according to one embodiment of the present invention may comprise: a housing in which a sensing module is embedded; a first sensing module for detecting the rotational speed of a wheel and outputting the detected signal to the outside; and a second sensing module for detecting the rotational speed of a wheel and outputting the detected signal to the outside, independently from the first sensing module. According to one embodiment of the present invention, the first sensing module may include a first sensing unit for detecting the rotational speed of a wheel, and the second sensing module may include a second sensing unit for detecting the rotational speed of a wheel.
Provided according to one embodiment of the present invention is a wheel bearing assembly for mounting a wheel of a vehicle rotatably with respect to a car body and for supporting the wheel. A wheel bearing assembly according to one embodiment of the present invention may comprise: a wheel hub provided with a hub flange for mounting a wheel; at least one inner ring press-fitted to the wheel hub and mounted thereon; an outer ring mounted on a chassis member of a vehicle and fixed thereto; and at least one rolling element for rotatably supporting the wheel hub and the inner ring with respect to the outer ring. According to one embodiment of the present invention, a constant velocity joint receiving groove for receiving a rolling element of a constant velocity joint can be provided at the side of the wheel hub facing the car body. According to one embodiment of the present invention, the hub flange of the wheel hub is provided on the side facing the car body, with a bolt mounting groove in which a fastening bolt for mounting the wheel is received, wherein the bolt mounting groove can be formed in a recess structure recessed radially inward.
A wheel bearing according to one embodiment of the present invention can comprise: a first seal member disposed between first outer peripheral surfaces of first cylinder parts of an outer ring and an inner ring so as to seal the gap between the outer ring and the inner ring; and a second seal member press-fitted into a second cylinder part of the inner ring. The second seal member can include: a slinger having an axial outer end portion spaced from a first seal member and a first end surface; a first seal lip which is coupled to the axial outer end portion of the slinger, and which has a first seal part coming in contact with a portion of the first seal member and a second seal part coming in contact with a portion of the first cylinder part; and a second seal lip coupled to the slinger so as to be spaced from the first seal lip in an inwardly axial direction.
According to an embodiment of the present invention, provided is a wheel bearing which rotatably mounts a wheel of a vehicle to the vehicle body, and supports the wheel. The wheel bearing according to an embodiment of the present invention may comprise: a rotary element to which a wheel of a vehicle is mounted, and which rotates together with the wheel; a non-rotary element which is mounted to a chassis component of the vehicle and thereby fixed to the vehicle body; and one or more rolling bodies which are interposed between the rotary element and the non-rotary element, and support the rotary element such that the rotary element can rotate relative to the non-rotary element. According to an embodiment of the present invention, a wheel mounting flange used to mount the wheel may be provided to the rotary element, and a plurality of bolt mounting parts to which hub bolts are fastened and a plurality of connection parts which extend between the bolt mounting parts may be arranged in the wheel mounting flange so as to be spaced apart from each other in the circumferential direction. According to an embodiment of the present invention, brake discs or pin holes into which positioning pins for wheel mounting are inserted can be provided in one or more of the connection parts, and the connection parts can be formed in a plurality of shapes and surface areas.
According to an embodiment of the present invention, provided is a wheel bearing which rotatably mounts a wheel of a vehicle to a vehicle body and supports the wheel thereon. A wheel bearing according to an embodiment of the present invention may comprise: a rotating element to which a wheel of a vehicle is mounted and which rotates with the wheel; a nonrotating element which is mounted to a chassis component of the vehicle and fixed to a vehicle body; and one or more motors which are interposed between the rotating element and the nonrotating element to support the rotating element rotatably with reference to the nonrotating element. According to an embodiment of the present invention, a wheel mounting flange used to mount a wheel may be provided at a rotating element, and a tone wheel or an encoder used to measure the rotation speed of a wheel may be mounted to the vehicle body side cross section of the wheel mounting flange.
A vehicle wheel bearing according to an embodiment of the present invention can comprise: a wheel hub having a hub flange for mounting a wheel; one or more inner wheels which are press fitted and mounted on one side of the wheel hub; an outer wheel mounted on the outer side of the radial direction of the inner wheels and having on the outer peripheral surface a mounting flange mounted on a vehicle body; one or more rolling bodies mounted on the inner side of the radial direction of the outer wheel; and sealing members preventing a foreign material from flowing into the wheel bearing. According to an embodiment of the present invention, the sealing members comprise: a first sealing member mounted on the wheel hub or the inner wheels; and a second sealing member mounted on the outer wheel, wherein one or more resilient sealing lips can be provided on one side or both sides of the first sealing member and second sealing member. According to an embodiment of the present invention, a groove which is recessed from the surface can be provided on the outer surface of the radial direction of all or some of the resilient sealing lips.
According to an embodiment of the present invention, a vehicle wheel bearing for rotatably mounting and supporting a vehicle wheel on a vehicle body is provided. A vehicle wheel bearing according to an embodiment of the present invention may include: a wheel hub configured to mount thereon a vehicle wheel; at least one inner race press-fitted and mounted on the wheel hub; an outer race mounted in a vehicle body; at least one transmission body mounted at the radially inner side of the outer race; and a sealing member mounted between the outer race and the wheel hub or the inner race. According to an embodiment of the present invention, the sealing member includes a frame mounted on the outer race and an elastic sealing part attached to the frame, the elastic sealing part includes an over-molded part extending from the frame and closely mounted on the outer race and a protrusion extending from the over-molded part and having an end to come into contact with the outer race, and the protrusion may be configured such that the end thereof comes into contact with the outer race at a position spaced apart from the over-molded part so as to define a space part by the over-molded part, the protrusion, and the outer race.
According to one embodiment of the present invention, provided is a vehicle wheel bearing for rotatably mounting a vehicle wheel to a vehicle body to support same. A vehicle wheel bearing, according to one embodiment of the present invention, may comprise: a wheel hub having a hub flange for mounting a wheel; at least one inner ring that is pressed and mounted on one side of the wheel hub; an outer ring mounted on a radially outer side of the inner ring and having, on an outer circumferential surface thereof, a mounting flange to be mounted on a vehicle body; and one or more rolling elements mounted on a radially inner side of the outer ring. According to one embodiment of the present invention, a hub flange of a wheel hub may be configured to have a protruding portion on one end surface such that only an end surface located on a radially outer side of the protruding portion is used as a mounting surface of a brake disc.
According to an embodiment of the present invention, provided is a failure diagnosis device which is mounted on a wheel bearing to diagnose whether a failure or a malfunction has occurred in the wheel bearing. A failure diagnosis device according to an embodiment of the present invention may comprise: a detection unit for detecting the operation state of a wheel bearing; and a diagnosis unit which uses signal information detected in the detection unit to diagnose whether a failure or a malfunction has occurred in the wheel bearing. According to an embodiment of the present invention, the detection unit can include an acceleration sensor for collecting acceleration information about the wheel bearing, and the diagnosis unit can be configured to perform a frequency analysis on the acceleration signal information collected from the acceleration sensor and diagnose whether a malfunction has occurred in the wheel bearing. According to an embodiment of the present invention, the diagnosis of whether a failure or a malfunction has occurred in the wheel bearing can be configured to be performed on the basis of the acceleration signal information collected from the acceleration sensor, and velocity information calculated from the acceleration signal information.
According to one embodiment of the present invention, a fault diagnosis device, mounted on a wheel bearing, for diagnosing whether there is a fault or malfunction of the wheel bearing is provided. A fault diagnosis device, according to one embodiment of the present invention, may comprise: a detection unit for detecting an operating state of the wheel bearing; and a diagnosis unit for diagnosing whether there is a fault or malfunction of the wheel bearing by using signal information detected by the detection unit. According to one embodiment of the present invention, the detection unit may comprise an acceleration sensor for collecting acceleration information of a wheel bearing, and the diagnosis unit may be configured to diagnose whether there is a fault or malfunction of the wheel bearing by frequency analyzing acceleration signal information collected from the acceleration sensor. According to one embodiment of the present invention, the diagnosis unit may be configured to collect event occurrence information by analyzing acceleration signal information collected from the acceleration sensor.
Embodiments according to an aspect of the present disclosure relate to a wheel bearing assembly. The wheel bearing assembly according to an exemplary embodiment includes: an outer race mounted in a vehicle body side member of a vehicle; an inner race rotating relative to the outer race around an axis; a wheel hub including a cylindrical portion to which the inner race is coupled and a hub flange extending in an outer radial direction from the cylindrical portion, wherein the hub flange has an inner flange surface and an outer flange surface; a plurality of rolling bodies disposed between the outer race and the cylindrical portion and between the outer race and the inner race; and a sealing device disposed between the outer race and the hub flange. The hub flange has a recess, which is concave toward an outer axis from the inner flange surface. The sealing device includes: a frame mounted on the outer race; a sealing unit which is coupled to the frame and is completely and partially located inside the recess of the hub flange; and a slinger mounted inside the recess of the hub flange.
One aspect of the present disclosure provides embodiments of a sealing device. According to one embodiment of the present disclosure, provided is a sealing device disposed in an inner axial direction of a bearing between an outer wheel portion and an inner wheel portion that rotate relative to each other in a wheel bearing assembly. The sealing device according to one embodiment of the present disclosure may include an inner device portion and an outer device portion rotating relative to each other. In one embodiment of the present disclosure, the inner device portion includes an inner frame fixed to the inner wheel portion, and an inner sealing member covering at least a portion of the surface of the inner frame, and the outer device portion may include an outer frame which is fixed to the outer wheel portion and has an inner radial end surface which is radially facing an outer circumferential sealing portion. In one embodiment, the inner sealing member includes the outer circumferential sealing portion covering an outer radial end surface of the inner frame, and the outer circumferential sealing portion may include a protrusion protruding from the outer circumferential sealing portion in an outer radial direction.
A wheel hub according to an embodiment comprises: an inner hub unit formed of a first material, the inner hub unit comprising a central portion protruding in an internal axial direction and a flange portion extending from the central portion in an outer radial direction; and an outer hub unit formed of a second material and integrally coupled to the inner hub unit, wherein the second material has the strength and the weight which are relatively lower than the strength and the weight of the first material. The flange portion includes a plurality of coupling holes which penetrate in an axial direction to be coupled to a wheel and are arranged apart from one another in the circumferential direction, and a plurality of main extensions which extend along a plurality of virtual extension reference lines respectively extending in the outer radial direction from a rotary shaft towards the plurality of coupling holes. The outer hub unit includes a circumferential portion which extends in the circumferential direction while connecting the plurality of main extensions. Each main extension has a boundary in a first circumferential direction and a boundary in a second circumferential direction based on each corresponding extension reference line. The boundary in the first circumferential direction extends in a direction between the inner radial direction and the first circumferential direction, and the boundary in the second circumferential direction extends in a direction between the inner radial direction and the second circumferential direction.
A sensing device for a vehicle, according to one disclosed embodiment, may comprise: a housing which has an opening part formed on one side thereof; a detection unit which is arranged inside the housing and generates a signal by detecting information associated with a wheel; an insert which has the detection unit fixed thereto and is arranged in the housing by passing through the opening part; at least one connection unit which is connected to the detection unit so as to supply power to the detection unit or transmit the signal from the detection unit; a body which is coupled to the housing and is formed from a first material so that one portion of the insert is embedded therein; and a filling material which fills the inside space of the housing and is formed from a second material different from the first material.
A sensing apparatus for a vehicle, according to a disclosed embodiment, may comprise: a first detection unit for generating a first signal by detecting a first item of information concerning the wheels; a second detection unit for generating a second signal by detecting a second item of information concerning the wheels; a first insert having the first detection unit fixed thereto; a second insert having the second detection unit fixed thereto and being coupled to the first insert; at least one first connection unit connected to the first detection unit to supply a first unit of power to the first detection unit or transmit the first signal from the first detection unit; at least one second connection unit connected to the second detection unit to supply a second unit of power to the second detection unit or transmit the second signal from the second detection unit; and a body which is provided so as to have the first detection unit and the second detection unit disposed therein, and supports the first insert and the second insert.
A wheel speed detecting device according to one embodiment, which can be installed on a bearing including an outer wheel and an inner wheel rotatable relative to the outer wheel by means of a rolling body, may comprise: a frame fixed onto the inner wheel in such a manner that the frame surrounds the outer diameter of the inner wheel; a first target disposed along the outer circumferential part of the frame; a second target disposed at a center part of the frame; and a sensor for sensing a signal generated from each of the first target and the second target to detect rotation information of the inner wheel.
In one embodiment, a wheel hub used for a wheel bearing assembly of a vehicle comprises: a metal hub part, which is made from a steel or light metal material, and includes a metal cylinder part having at least one cross sectional diameter, and a metal flange part formed to extend outwardly in the radial direction from the metal cylinder part; and a composite hub part including a composite flange part, which comes in contact with at least a portion of the surface of the metal flange part, and a centering part extending from at least a portion of the metal cylinder part toward the axial direction of the outer side thereof, wherein the composite hub part comprises carbon chip materials including carbon fiber reinforced plastic and the composite hub part is integrated with the metal hub part through a hot forming process.
A wheel bearing used for rotatably mounting a wheel of a vehicle to a vehicle body is provided according to one embodiment of the present invention. A wheel hub, according to one embodiment of the present invention, comprises a hub flange extending radially outward, wherein the hub flange may be configured such that a cross-sectional tooth is provided in a cross section located on a wheel side so as to be engaged with a corresponding cross-sectional tooth formed on a wheel. The cross-sectional teeth, according to one embodiment of the present invention, provided on the hub flange of the wheel hub is configured such that a plurality of teeth are arranged to be spaced apart from each other in a circumferential direction, and the teeth of the cross-sectional teeth provided on the hub flange of the wheel hub may be configured to have a smaller volume than the teeth of the corresponding cross-sectional teeth provided on the wheel.
According to one embodiment of the present invention, provided is a wheel bearing used for rotatably mounting a vehicle wheel on a vehicle body. A wheel hub of a wheel bearing, according to one embodiment of the present invention, includes a hub flange extending radially outward, wherein the hub flange has an end-face toothed-part at an end surface located on a wheel side, and thus can be tooth-coupled to a corresponding end-face toothed-part formed at the wheel. According to one embodiment of the present invention, the end-face toothed-part provided at the hub flange of the wheel hub is formed such that a plurality of teeth are spaced apart and arranged in a circumferential direction, and a sealing member for sealing a gap formed between the hub flange and the wheel can be provided at the radial outer side of the end-face toothed-part of the hub flange.
The present disclosure provides a wheel bearing assembly. The wheel bearing assembly may comprise: a wheel hub having a cavity formed to penetrate same in the axial direction; an inner wheel coupled to the outer peripheral surface of the wheel hub; an outer wheel arranged to be spaced apart from the wheel hub and the inner wheel; a rolling device comprising a first power-transfer body interposed between the outer wheel and the wheel hub, and a second power-transfer body interposed between the outer wheel and the inner wheel; a constant-velocity joint comprising a coupling portion inserted into the cavity of the wheel hub, and a joint portion extending from the coupling portion; and a center bolt inserted into the cavity of the wheel hub from the axially outer end of the wheel hub and configured to couple the constant-velocity joint to the wheel hub. The wheel hub may comprise an orbital forming portion, one surface of which contacts the axially inner end surface of the inner wheel, and the other surface of which contacts the axially outer end surface of the joint portion. The inner wheel may comprise an inner-wheel protruding portion protruding toward the joint portion while being spaced apart from the joint portion.
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
A wheel bearing assembly according to one embodiment of the present invention comprises a wheel hub, one or more inner wheels, an outer wheel, and one or more bearings, wherein, at the end of the vehicle body-side interior of the wheel hub, an accommodating space for accommodating a universal joint is provided, and along the inner circumferential surface of the accommodating space, a plurality of recesses, spaced apart along the circumferential direction, for accommodating a rotating element of the universal joint may be provided. According to one embodiment of the present invention, a first heat-treated hardened part is provided on the inner circumferential surface of the accommodating space, and the first heat-treated hardened part may comprise a part with which the rotating element of the universal joint comes into contact. According to one embodiment of the present invention, a second heat-treated hardened part is provided on the outer circumferential surface of the wheel hub, and the first and second heat-treated hardened parts may be formed so as not to overlap with each other.
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
A wheel bearing assembly according to one embodiment of the present invention comprises: a wheel hub having a hub flange; at least one inner race mounted on one side of the wheel hub; an outer race mounted on a radially outer side of the at least one inner race; a spacer coupled to a vehicle body side end of the inner race located at the vehicle body side; and at least one rolling element mounted between the at least one inner race and the outer race, wherein the vehicle body side end of the wheel hub may be plastically deformed radially outward so to maintain the at least one inner race in the wheel hub. According to one embodiment of the present invention, a plurality of recesses for accommodating rotating elements of a constant velocity joint may be formed on the inner circumferential surface of the vehicle body side end of the wheel hub to be spaced apart from each other in a circumferential direction; a heat-treatment hardened portion may be formed on the inner circumferential surface of the vehicle body side end of the wheel hub; and the heat-treatment hardened portion may be formed to include at least a region which the rotating elements of the constant velocity joint contact. In addition, the vehicle body side end of the spacer may be configured to be spaced apart from a vehicle body side axial end of the heat-treatment hardened portion toward the vehicle body side.
A wheel hub and slinger assembly comprises: a wheel hub including: a base surface; a tolerance compensation part extending from the base surface and formed to be recessed in the outer axial direction; and a flange surface extending radially outward from the tolerance compensation part; and a slinger including: a mounting part having an inner axial end and a first inner circumferential surface and press-fitted to the base surface; a bent part having a second inner circumferential surface spaced apart from the tolerance compensation part and extending from the mounting part to be bent; and an extension part extending radially outward from the bent part and having a contact surface coming in contact with the flange surface. The wheel hub has a stopper formed therein protruding radially outward from the inner axial end of the base surface and having an outer axial end surface and an outer radial end surface. The slinger is mounted to the wheel hub such that the mounting part is located between the flange surface and the stopper.
A wheel hub for use in a wheel bearing disposed between a suspension of an automobile and a wheel thereof is provided. The wheel hub includes an inner hub portion formed of a steel material and disposed toward the suspension, and an outer hub portion formed of a lightweight alloy material and disposed toward the wheel. The inner hub portion has an inner surface facing the outer hub portion, the inner surface has an inner embossed portion on at least a portion thereof, the outer hub portion has an outer surface facing the inner hub portion, and the outer surface has an outer embossed portion formed on at least a portion thereof to have a shape corresponding to that of the inner embossed portion.
Provided is a bearing hub in which a first member and a second member are coupled to each other by welding. The first member is made of a steel material. The first member includes a cylindrical portion and a first bonding portion extending along the circumferential direction of the cylindrical portion. The second member is made of a material having a melting point different from that of the steel material and coupled to a wheel of a vehicle. The second member includes a disc portion having a hollow space and a second bonding portion adjacent to the hollow space of the disc portion and extending along the circumferential direction of the disc portion. The first bonding portion and the second bonding portion are welded to each other along a bonding line between the first bonding portion and the second bonding portion by friction heat generated by friction stir or by friction heat generated by rotational friction, so that the first member and the second member are coupled to each other. The first bonding portion has a shape fitting connection portion, and the second bonding portion has a shape fitting connection portion having a shape corresponding to that of the shape fitting connection portion of the first bonding portion.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
B23K 20/22 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
56.
ASSEMBLY OF BEARING HUB AND BRAKE DISC, AND WHEEL BEARING ASSEMBLY HAVING SAME
Provided is an assembly having a brake disc connected to a bearing hub. The assembly of the bearing hub and the brake disc has the bearing hub, the brake disc, a disc hat, and a plurality of bolts. The bearing hub rotates around a rotary shaft, and has a flange extending in the circumferential direction and coupled to a wheel. The brake disc has a hollow. The disc hat is disposed in the hollow of the brake disc and is coupled to the brake disc. The plurality of bolts couple the flange and the disc hat. The flange has: a plurality of first attachment surfaces arranged along the circumferential direction and inclined with respect to the rotary shaft; and a plurality of first coupling holes positioned at each of the plurality of first attachment surfaces and penetrating the flange. The disc hat has: a plurality of second attachment surfaces respectively coming in contact with each of the plurality of first attachment surfaces; and a plurality of second coupling holes positioned at each of the plurality of second attachment surfaces and penetrating the disc hat. The bolts are coupled to the first coupling holes and the second coupling holes.
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
A sensor target for a wheel bearing is provided. The sensor target is fixed to the bearing hub of the wheel bearing. The sensor target has a shaft and a magnet. The shaft is pressed into the bearing hub coaxially with the rotating shaft of the bearing hub. The shaft has a recess at one end in the length direction. The magnet is pressed into the recess.
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
A sealing device inserted into a wheel bearing is provided. The sealing device comprises a first insertion body and a second insertion body. The first insertion body has an annular first frame, and a first sealing part coupled to the first frame. The second insertion body has an annular second frame having a diameter smaller than that of the first frame, and a second sealing part coupled to the second frame. The second insertion body rotates relative to the first insertion body. The first insertion body and the second insertion body are arranged such that a gap is formed between the first sealing part and the second sealing part. The second sealing part has a first surface facing the first sealing part and spaced apart from the second frame in a first axial direction, and a first baffle protruding toward the first sealing part from the end of the first surface in the outer radial direction thereof. A first cavity is formed in the gap by means of the first sealing part and the first baffle. At least a portion of a first cavity passage connected to the first cavity is formed in the gap by means of the first sealing part, the first baffle and the first surface.
A sealing device used for a wheel bearing is provided. The sealing device is inserted into the wheel bearing, and includes a first insertion body and a second insertion body. The first insertion body has an annular first frame and a first sealing part coupled to the first frame. The second insertion body has an annular second frame having a diameter smaller than that of the first frame, and a second sealing part coupled to the second frame. The second insertion body rotates relative to the first insertion body around a rotary shaft. The first insertion body and the second insertion body are arranged such that a gap is formed between the first sealing part and the second sealing part. The first sealing part and/or the second sealing part has a lip having an annular shape around the rotary shaft. The lip has at least one groove on the surface thereof in the outward radial direction.
A wheel bearing assembly is applied to a driving wheel or a driven wheel. The wheel bearing assembly comprises: an outer race; a wheel hub which rotates, relative to the outer race, around a shaft; a plurality of rolling bodies disposed between the outer race and the wheel hub; a wheel coupled to the wheel hub; and a clamping member disposed on the shaft and clamping the wheel to the wheel hub. The wheel hub comprises a hub flange. The hub flange comprises a plurality of protrusions which are configured to extend from an outer circumferential surface of the wheel hub in the outer radial direction of the shaft and to face the wheel, wherein the protrusions are disposed spaced apart from each other. The wheel comprises a plurality of protrusions which are disposed so as to engage with the above plurality of protrusions.
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
61.
HIGH RESOLUTION BEARING SENSOR AND IC CHIP FOR MULTIPOLE PAIR MAGNETIC PULSE RING
A measurement sensor for measuring a rotational speed and direction of a magnetic encoder in a vehicle wheel may comprise: a first magnetic sensor configured to sense a magnetic field induced by the magnetic encoder and output a strength value of the magnetic field as a first electrical signal; a second magnetic sensor configured to sense the magnetic field induced by the magnetic encoder and output a strength value of the magnetic field as a second electrical signal; a first output signal generator for generating and outputting first rotational data including information indicating the rotational speed of the wheel on the basis of the first electrical signal; and a second output signal generator configured to generate second rotational data including information indicating the rotational speed of the wheel on the basis of the second electrical signal. The information indicating the rotational speed of the wheel in the second rotational data may have a higher resolution than the information indicating the rotational speed of the wheel in the first rotational data.
G01P 3/44 - Devices characterised by the use of electric or magnetic means for measuring angular speed
G01D 5/12 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
G01R 33/02 - Measuring direction or magnitude of magnetic fields or magnetic flux
According to one aspect of the present invention, a device for detecting wheel speed can be provided on a wheel bearing having: an outer race; and an inner race coupled to a rotary shaft and rotating relative to the outer race around the rotary shaft. The device for detecting the wheel speed comprises: a first target coupled to the rotary shaft concentrically with the rotary shaft; a second target disposed along the outer peripheral portion of the inner race; a cap coupled to the outer race so as to cover the first target and the second target; a first sensor disposed at the cap, and sensing a change in a magnetic field of the first target according to the rotation of the rotary shaft; and a second sensor disposed at the cap, and sensing a change in a magnetic pole of the second target according to the rotation of the inner race.
G01P 3/44 - Devices characterised by the use of electric or magnetic means for measuring angular speed
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
63.
VEHICLE SPEED SENSOR DEVICE, ABS APPARATUS INCLUDING SAME, AND OPERATING METHOD THEREOF
Provided are a vehicle speed sensor device, an ABS apparatus including the same, and an operating method thereof. The vehicle speed sensor device comprises: a rechargeable battery; a speed sensor for receiving power supplied from the battery, and measuring a rotation speed of a wheel bearing to generate a speed signal; and a wireless signal transmitter for transmitting a speed signal to an electronic controller through wireless communication. Such a configuration enables the device to be robust against an external damage, can remove the problem of tangled wires due to complex cable connection, and can reduce the weight of a vehicle.
B60T 8/171 - Detecting parameters used in the regulationMeasuring values used in the regulation
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
B60K 16/00 - Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind
B60G 17/019 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
A knuckle and wheel bearing assembly is disclosed. A knuckle and wheel bearing assembly has: a wheel bearing coupled to a wheel so as to integrally rotate; and a knuckle having the wheel bearing inserted thereto and for supporting the wheel bearing. A first assembly groove is formed on the inner peripheral side of the knuckle. And a second assembly groove is formed on an outer wheel of the wheel bearing so as to mate with the first assembly groove and form an insertion hole. An assembly bolt is inserted to the insertion hole and thus the knuckle and wheel bearing are mutually coupled. The inside diameter of the insertion hole is greater than the outside diameter of the assembly bolt.
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
A knuckle and wheel bearing assembly is disclosed. A knuckle and wheel bearing assembly has: a wheel bearing coupled to a wheel so as to integrally rotate; and a knuckle having the wheel bearing inserted thereto and for supporting the wheel bearing. A first assembly groove is formed on the inner peripheral side of the knuckle. A second assembly groove is formed on the outer peripheral side of an outer wheel of the wheel bearing. The first assembly groove and second assembly groove mate and thus an insertion hole is formed. An assembly bolt is inserted to the insertion hole and thus the knuckle and wheel bearing are mutually coupled. A pressure reduction hole is formed on the second assembly groove such that the inner peripheral side of the outer wheel and the second assembly groove communicate.
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
66.
WHEEL BEARING SEALING DEVICE AND MANUFACTURING METHOD THEREFOR
A wheel bearing sealing device according to an embodiment of the present invention can be a wheel bearing sealing device, which is disposed on the outer side of a rolling element in the axial direction of the wheel bearing and mounted between an outer ring and a hub. The wheel bearing sealing device can comprise: an outer ring slinger mounted on the outer ring; a hub slinger mounted on the hub; and a separation preventing protrusion protruding from the outer peripheral surface of the hub such that the axial inner end of the hub slinger is caught when the hub slinger moves inward in the axial direction.
A bearing steel according to an embodiment of the present invention contains 0.51 to 0.56wt% of carbon (C), 0.30 to 0.55wt% of silicon (Si), 0.60 to 0.90wt% of manganese (Mn), 0.025wt% or less of phosphorus (P) (excluding 0wt%), 0.008wt% or less of sulfur (S) (excluding 0wt%), 0.01 to 0.20wt% of chromium (Cr), 0.08wt% or less of molybdenum (Mo) (excluding 0wt%), 0.25wt% or less of nickel (Ni) (excluding 0wt%), 0.01 to 0.20wt% of vanadium (V), 0.20wt% or less of copper (Cu) (excluding 0wt%), 0.003wt% or less of titanium (Ti) (excluding 0wt%), 0.01 to 0.05wt% of aluminum (Al), 0.0015wt% or less of oxygen (O) (excluding 0wt%), 0.001wt% or less of calcium (Ca) (excluding 0wt%), the remaining iron (Fe), and other unavoidable impurities.
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
Disclosed is a wheel bearing assembly comprising: a wheel hub coupled so as to be rotated integrally with a wheel and having a plurality of coupling protrusion parts; and a brake disc having a plurality of coupling protrusion parts respectively coupled to the plurality of coupling protrusion parts of the wheel hub, thereby enabling weight reduction and improvements in the assembly thereof to be promoted and the run-out characteristics of the sliding surface of the brake disc to be improved.
B60B 21/08 - Rims characterised by having braking surfaces
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
69.
DRIVING WHEEL BEARING AND METHOD FOR MANUFACTURING SAME
Disclosed are a driving wheel bearing and a method for manufacturing the same. The present invention comprises: a wheel hub integrally and rotatably fastened to a wheel; an inner wheel fitted in and integrally and rotatably coupled to the wheel hub; an outer wheel having the wheel hub and the inner wheel inwardly fitted therein and rotatably supporting the wheel hub and the inner wheel; rolling elements interposed between the outer wheel and the wheel hub and between the outer wheel and the inner wheel; and a constant velocity joint integrally and rotatably connected to the wheel hub or the inner wheel via face splines to transfer power of an engine to the wheel, wherein a face spline of each of the wheel hub and the constant velocity joint has a structure in which tooth protuberance having the same size and tooth grooves having the same size are formed to extend radially and alternatively and are continuously arranged in a circumferential direction, thereby transferring rotation power of the engine to the wheel through the wheel bearing.
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
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
The present invention relates to a wheel bearing of which the durability and quality can be improved and a wheel bearing assembly using the same. The wheel bearing, according to one embodiment of the present invention, comprises: a hub formed in a cylindrical shape and having a wheel flange provided to one end portion in a radially outward direction, a stepped portion provided to the outer peripheral surface of the other end portion and a first inner wheel orbit provided between the flange and the stepped portion; an inner wheel provided to the stepped portion of the hub and having a second inner wheel orbit provided to the outer peripheral surface thereof; an outer wheel surrounding the hub and the inner wheel so as to form a space between the hub and the inner wheel and having first and second outer wheel orbits provided to the inner peripheral surface thereof corresponding to the first and second inner wheel orbits;a plurality of bearings provided to be slidable between the first and second inner wheel orbits and the first and second outer wheel orbits; and a nut screw-coupled to the stepped portion of the hub at one side of the axial direction of the inner wheel so as to push the inner wheel to the other side of the axial direction, thereby applying a pre-load to the bearings, wherein at least a part of the inner wheel is screw-coupled to the stepped portion, and the inner wheel and the nut rotate in the opposite direction from each other so as to be respectively screw-coupled to the stepped portion.
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
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
The present invention relates to a structure and method for coupling a wheel bearing. The structure comprises: a wheel hub on which a vehicle wheel is mounted; a hollow inner wheel press-fitted into one side of the wheel hub; a ring-shaped outer wheel arranged outside the wheel hub and the inner wheel; and a rolling element interposed between the wheel hub or the inner wheel and the outer wheel. The wheel hub and the inner wheel are coupled together by a spline, and the inner wheel and a joint member are coupled together by a facial spline. According to the present invention, the driving force of a constant velocity joint can be stably transferred to the wheel hub, and noise can be reduced.
The present invention relates to a coupled wheel bearing structure including: a wheel hub fastened to the suspension system of a vehicle so as to be rotatable; an inner wheel formed in a ring shape installed on the outer circumferential surface of the wheel hub; an outer wheel formed in a ring shape disposed outside the inner wheel; and a bearing ball provided between the inner wheel and the outer wheel and in which the inner circumferential surface of one side of the inner wheel and the outer circumferential surface of the wheel hub are coupled to each other by a screw structure. According to the present invention, since it is possible to omit an orbital forming process, durability and quality may be increased and the manufacturing process may be simplified.
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
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
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Shaft couplings (machines); axles for machines; transmission
shafts, other than for land vehicles; self-oiling bearings;
ball-bearings; lubricators (parts of machines); bearing
brackets for machines; bearings (parts of machines);
clutches other than for land vehicles; chucks (parts of
machines); cranks (parts of machines); driving motors other
than for land vehicles; machine tools; transmissions, other
than for land vehicles; speed governors for machines, motors
and engines, journal boxes (parts of machines); bearings for
transmission shafts; machine wheelwork; machine wheels;
machine fly-wheels; roller bearings; ball rings for
bearings; journals (parts of machines); transmissions for
machines; couplings other than for land vehicles;
anti-friction bearings for machines; brake linings other
than for vehicles; brake shoes other than for vehicles;
brake segments other than for vehicles; gear boxes other
than for land vehicles; driving chains other than for land
vehicles; gears, other than for land vehicles; reduction
gears other than for land vehicles; crankcases for machines,
motors and engines; universal joints (cardan joints);
bearings for wind turbines; large slewing bearings for
excavators, tower cranes, vessel cranes, truck cranes,
crawler cranes, towing vehicle, concrete pump cars, large
antennas for turntable and tanks; cam shafts for land
vehicles. Driving chains for land vehicles; connecting rods for land
vehicles other than parts of motors and engines; torque
converters for land vehicles; gasoline engines for land
vehicles; bearings for land vehicles; axles for land
vehicles; couplings for land vehicles; axle journals; cycle
hubs; doors for automobile; automobile bodies; automobile
chassis; steering wheels for automobiles; undercarriages for
automobile; automobile wheels; torsion bars for automobiles;
bumpers for automobiles; automobile hoods; rims for
automobile wheels; tires for vehicle wheels; gears for land
vehicles; gear boxes for land vehicles; transmissions for
land vehicles; transmission shafts for land vehicles;
crankcases for land vehicle components, other than for
engines; clutches for land vehicles; disk brakes for
vehicles; brake linings for vehicles; brake shoes for
vehicles; brake segments for vehicles; conical brakes for
vehicles; block brakes for vehicles; laminated leaf-springs
for vehicles.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Self-oiling bearings for conveyor belts and industrial machinery; ball-bearings for motor vehicles; bearing brackets for machines; rolling bearings for conveyor belts and industrial machinery; bearings for transmission shafts; roller bearings; ball rings for bearings; anti-friction bearings for machines; bearings for wind turbines; slewing bearings for excavators, tower cranes, vessel cranes, truck cranes, crawler cranes, rack car, concrete pump cars, turntable, antennas and tanks; connecting rods for land vehicles other than parts of motors and engines; links for land vehicles; bearings for land vehicles; wheel hubs; hubs for vehicle wheels; doors for automobiles; automobile chassis; torsion bars for automobiles; disk brakes for vehicles
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
[ Shaft couplings for machines; axles for machines; transmission shafts, other than for land vehicles; ] self-oiling bearings; [ ball-bearings for use in machines, namely, machine tools, clutches, transmissions, decelerators, generators, turbines; ] [ lubricators being parts of machines; ] [ bearing brackets for machines; bearings being parts of machines; clutches other than for land vehicles; drill chucks being parts of machines; crank cases being parts of machines; driving motors other than for land vehicles; ] [ machine tools for cutting and forming of materials; ] [ transmissions, other than for land vehicles; speed governors for machines, motors and engines, journal boxes being parts of machines; bearings for transmission shafts, being parts of machines; machine wheelwork; machine wheels; machine fly-wheels; ] roller bearings for machines; [ ball rings for bearings for machines, namely, machine tools, clutches, transmissions, decelerators, generators, turbines; transmissions for machines; machine couplings other than for land vehicles; ] anti-friction bearings for machines; [ brake linings other than for vehicles; brake shoes other than for vehicles; brake segments other than for vehicles; gear boxes other than for land vehicles; transmission driving chains other than for land vehicles; ] [ machine gears, other than for land vehicles; ] [ machine reduction gears other than for land vehicles; crankcases for machines, motors and engines; universal joints, namely, cardan joints being parts of machines; ] bearings for wind turbines; [ large slewing bearings for excavators, tower cranes, vessel cranes, truck cranes, crawler cranes, towing vehicle, not for land vehicles, concrete pump cars, large antennas for turntable and tanks; cam shafts for land vehicles; ] all of the aforesaid goods for use in the field of automobiles and industrial bearings [ Driving chains for land vehicles; ] [ connecting rods for land vehicles other than parts of motors and engines; ] [ torque converters for land vehicles; gasoline engines for land vehicles; ] bearings for land vehicles; [ axles for land vehicles; ] [ couplings for land vehicles; ] [ axle journals; ] [ cycle hubs; ] [ doors for automobile; ] [ automobile bodies; ] automobile chassis; [ steering wheels for automobiles; undercarriages for automobile; automobile wheels; ] [ torsion bars for automobiles; ] [ bumpers for automobiles; ] [ automobile hoods; rims for automobile wheels; tires for vehicle wheels; gears for land vehicles; gear boxes for land vehicles; transmissions for land vehicles; transmission shafts for land vehicles; crankcases for land vehicle components, other than for engines; clutches for land vehicles; ] [ disk brakes for vehicles; ] [ brake linings for vehicles; brake shoes for vehicles; ] brake segments for vehicles; [ conical brakes for vehicles; block brakes for vehicles; laminated leaf-springs for vehicles;] all of the aforesaid goods for use in the field of automobiles and industrial bearings
There is provided a tire pressure monitoring device, which measures temperature and pressure in the inside of a tire during vehicular traveling and informs a driver of tire abnormality. The tire pressure monitoring device includes: a transmitter portion inserted into one or more of vehicular tires for sensing tire status and then transmitting tire status data signal; and a receiver portion for receiving the tire status data signal from the transmitter portion. The receiver portion is integrated into a wheel speed sensor module of an ABS device, which is mounted to a wheel bearing. Since the receiver portion of the tire pressure monitoring device and a wheel speed sensor of the ABS device are integrated into one module, the transmitter portion and the receiver portion of the tire pressure monitoring device can be installed very closely to each other without greatly modifying a vehicular body design.
B60C 23/04 - Signalling devices actuated by tyre pressure mounted on the wheel or tyre
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehiclesArrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanksTyre cooling arrangements
77.
DEVICE FOR DETECTING DEFECTS OF CHASSIS COMPONENTS IN A VEHICLE
The present invention relates to a device for detecting defects of chassis components in a vehicle. The objective of the present invention is to provide a device for detecting defects of chassis components. The device detects them with an algorithm using acceleration signals detected at an outer ring of a hub bearing or a knuckle while driving the vehicle The present invention provides a specific means, comprising: a data input portion for receiving 3 axis vibrating acceleration signals (71 ) and wheel speed signals (72) of each wheel at an outer ring of a hub bearing or a knuckle; a signal conditioner (73) including a low pass filter and an amplifier for receiving the signals; a data arithmetic unit (74) having an algorithm for detecting defects of each chassis component using the signals; and a defect display unit (77) for displaying the defects signals from the detecting defects portion with light and graphic.
The present invention relates to a wheel bearing assembly including a hub coupled to a wheel of a vehicle and provided with a flange extending radially, an inner race formed at an exterior surface thereof, and a step portion formed at an inside of the inner race, an exterior diameter of the step portion being smaller than that of the inner race; an inner ring inserted on the step portion of the hub and having an inner race formed at an exterior surface thereof; an outer ring having outer races formed at an interior surface thereof and corresponding to the inner races; a plurality of outside rolling elements disposed between the inner race and the outer race; a plurality of inside rolling elements disposed between the inner race and the outer race; and a cage maintaining a circumferential gap between the rolling elements, wherein the diameter of the outside rolling element is smaller than that of the inside rolling element. According to the present invention, the life of the wheel bearing assembly may not be decreased, and hardness of the wheel bearing assembly may be enhanced such that tremor of a brake apparatus connected to a flange is reduced. In addition, a decrease in the life of the outside row may be minimized and the hardness may be sharply enhanced by selecting a threshold range of the life of the bearing and the hardness in accordance with the diameter of the rolling element. Since the exterior diameter of an outside outer ring can be the same as that of an inside outer ring, interference between the outer ring and other components may be minimized.
The present invention relates to a hub bearing assembly including a hub, a knuckle having a groove, a bearing including an inner ring and an outer ring, and a coupling member axially coupling the knuckle with the bearing, wherein the coupling member includes a ring-shaped portion of an arc shape inserted in the groove, an axially extended portion extended axially from the ring-shaped portion, and a radially extended portion extended radially from the axially extended portion, and wherein a tool insertion hole is formed near both ends of the ring-shaped portion of an arc shape. According to the hub bearing assembly, the hub and the bearing can be assembled with the knuckle after the bearing is assembled with the hub as a consequence of assembling the knuckle with the bearing by means of the coupling member, and the coupling member can be disassembled and the hub bearing assembly can be disassembled easily without breaking the coupling member in a case of replacing the bearing. Therefore, a hub bearing assembly can be applied to the case in which the bearing is fixed to the hub by orbital forming.
There is provided a drive wheel system capable of measuring torque applied to a wheel by an engine while transmitting the power output of the engine to the wheel. The drive wheel system includes: a hub bearing unit; a first sensor portion for measuring a rotational speed of the wheel; a second sensor portion; a Birfield joint connected to the hub bearing unit; a drive axle for connecting the Birfield joint and a tripod joint; and the tripod joint connected to one end of the drive axle. An outer peripheral surface of an outer ring of the tripod joint includes circular arc portions and concave portions as many as the circular arc portions. The second sensor portion is disposed radially apart from the circular arc portion. The torque is measured from a phase difference between waveforms detected from the first and the second sensor portions.
G01L 3/12 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means
81.
HUB BEARING UNIT PROVIDED WITH MULTIPLE ROWS OF ROLLING ELEMENTS
There is provided a hub bearing unit with multiple rows of rolling elements. A hub has one or more inner race surfaces. An inner ring is seated on an outer peripheral surface of the hub and has one or more inner race surfaces thereon. An outer ring is formed with outer race surfaces as many as inner race surfaces formed at the hub and the inner ring. Rolling elements are disposed between the outer race surfaces and the inner race surfaces. Cages are disposed to maintain circumferential intervals of the rolling elements. The outer ring is formed with three or more outer race surfaces. The rolling elements are arranged in three or more rows. The arrangement of multiple-row rolling elements enhances the life of the bearing. Manufacturing costs are curtailed and rolling resistance is reduced compared to the tapered roller bearing.
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
There is provided a wheel bearing assembly including the following: a plurality of first rolling elements and a plurality of second rolling elements; an outer ring providing an outer race surface of the first rolling elements and an outer race surface of the second rolling elements at an inner periphery thereof; an inner ring providing an inner race surface of the first rolling elements at an outer periphery thereof; and an inner ring shaft providing an inner race surface of the second rolling elements. The inner ring shaft is provided with a shoulder portion, a disk mounting portion to which a brake disk is press fitted, and an inner ring mounting portion to which the inner ring is press fitted. The first and second rolling elements are in angular contact with respect to the outer and inner race surfaces and a predetermined pre-load is applied thereto.
An encoder- integrated seal includes: a seal support 141 having a first cylindrical portion 141a mounted on the stationary ring; a slinger 147 having a first radial portion 147b spaced away from the seal support 141 outwardly and formed in the radial direction, a second radial portion 147c extending from the first radial portion 147b, and a second cylindrical portion 147 a extending directly from an end of the first radial portion in the axial direction; an elastic part 143 attached to the seal support 141; seal lips 145a, 145b and 145c extending from the elastic part 143; and an encoder 149 attached to at least one side of the first radial portion 147b and the second radial portion 147c. The second radial portion 147c is slanted into the opening, and a second cylindrical portion 147a is mounted on the rotary ring.
Disclosed is an encoder-integrated seal 140 mounted on a bearing including a rotary ring, a stationary ring, and a plurality of rolling elements disposed between the rotary ring and the stationary ring, to be located in an opening formed between the rotary ring and the stationary ring to face the rolling elements. The seal 140 includes: a seal support 141 having a first cylindrical portion 141a inserted into the stationary ring; a slinger 147 having a second cylindrical portion 147a inserted into the rotary ring and a radial portion 147b extending from the second cylindrical portion 147a in the radial direction; an elastic part 143 attached to the seal support 141 or the slinger 147; one or more one seal lips 135a, 135b and/or 135c extending from the elastic part 143 and contacting one side of the slinger 147 or the seal support 141; an encoder 140 provided at the radial portion 147b of the slinger 147; and at least one protrusion 150 projected in the radial direction of the slinger 147 toward the first cylindrical portion 141a of the seal support 141. The protrusion 150 rotates along with the bearing 100 to generate a turbulent flow, thereby preventing adhesion of impurities to the seal. Also, a flow is generated in a direction away from the seal lips by the protrusion to block infiltration of impurities through the seal 140.
The present invention relates to a method of measuring a clearance of a hub bearing for vehicles. A hub is fixed to a lower jig when a row of hub-side balls is disposed and an outer ring is disposed on an outer periphery of the hub and a row of inner ring-side balls and an inner ring are disposed. A press-fit jig is contacted to the inner ring and a load of less than 5kgf is applied to an outer surface of the outer ring to prevent its vibration and movement. A gauge is installed to a portion of the outer ring. The inner ring is gradually press-fitted by the jig. An amount of press-fit of the inner ring is measured from when the gauge begins to move when press-fitting of the inner ring is completed. The amount of clearance is simply measured.
G01B 5/30 - Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
A disc and wheel bearing assembly of a non-driven wheel including: a hub type brake disc integrally formed with a hub and a brake disc; a wheel bearing assembly comprising rolling elements, with at least one inner race installed inside of the rolling elements, a bearing inner race spindle having a shoulder portion on its one side and a spline portion on its other side, an outer race, and a bolt connecting the wheel bearing assembly to a knuckle; and a knuckle connected to the wheel bearing assembly. The disc and wheel bearing assembly of the non-driven wheel constructed as above has a simple structure and a simplified assembly process. Accordingly, assembly time can be reduced.
A disc and wheel bearing assembly of a driven wheel includes: a hub type brake disc integrally formed with a hub and a brake disc made of cast iron; a wheel bearing assembly comprising rolling elements, at least one inner ring installed in the rolling elements, a bearing inner ring shaft having a rolling shoulder portion on its one end and a spline portion on its other end, and an outer ring; a knuckle connected to the wheel bearing assembly; and a driving shaft having a spline portion and a male thread formed on its ends, wherein the male thread of the driving shaft is combined with the disc and wheel bearing assembly assembled to the knuckle by a nut and thereby, an axial force is given to the wheel bearing assembly so as to pre-load the wheel bearing assembly. The disc and wheel bearing assembly of a driven wheel constructed as above can simplify the structure of an axle assembly; thereby reduce weight and cost, by removing a hub function of a conventional axle assembly, giving a portion of the function to an inner ring shaft portion and disc and integrating the disc and a bearing.
