Iljin Global Co., Ltd

Jong Keun Lim

Hyeon Ung Shin

Seok Lee

Seungjoon Lee

Young Tae Kim

Yun Ho Jung

Sang Jun Lee

Joung Woo Hur

In Woo Baek

Jae Wan Lim

In Jae Kim

Bo Young Jang

Kyeong Hyeon Kim

Chae Young Cha

Il Hwan Lee

Jee Hoon Oh

Jung Park

According to one embodiment of the present disclosure, there is provided a failure diagnosis device used for diagnosing the presence of failure or abnormal operation of a wheel bearing. The failure diagnosis device according to one embodiment of the present disclosure may comprise a housing; a magnetic coupling part provided in the housing; and a sensing part provided in the housing and configured to detect physical characteristic related to an operational state of a vehicle. According to one embodiment of the present disclosure, the sensing part may comprise an acceleration sensor configured to collect acceleration information, and the failure diagnosis device may be configured to be detachably mounted to one side of a wheel by virtue of a magnetic force generated by the magnetic coupling part.

Failure diagnosis device for wheel bearing

A wheel bearing assembly includes a wheel hub, at least one inner ring, an outer ring, and one or more rolling elements. An accommodation space may be formed inward of a vehicle-body-side end portion of the wheel hub to accommodate a constant velocity joint, and a plurality of recesses for accommodating rotating elements of the constant velocity joint are formed on an inner peripheral surface of the accommodation space to be spaced apart from each other along a circumferential direction. A first heat-treated hardened portion may be formed on the inner peripheral surface of the accommodation space, and may be formed to have portions with which the rotating elements of the constant velocity joint is brought into contact. A second heat-treated hardened portion may formed on an outer peripheral surface of the wheel hub. The first and second heat-treated hardened portions may not overlap each other.

Wheel bearing assembly

A wheel bearing includes a rotating element to which the wheel of the vehicle is mounted and configured to rotate together with the wheel of the vehicle; a non-rotating element fixed to the vehicle body; and one or more rolling elements provided between the rotating element and the non-rotating element and configured to rotatably support the rotating element relative to the non-rotating element. The rotating element includes a wheel mounting flange, and a sensor target used to measure a rotational speed of the wheel is provided on an axial end surface of the wheel mounting flange. The sensor target includes an annular plate portion configured to be mounted to the axial end surface of the wheel mounting flange, and the annular plate portion includes a target portion used for measuring the rotational speed of the wheel and at least one bolt insertion hole.

Wheel bearing having improved sensor target and sensor target mounting portion

One aspect of the present disclosure provides a wheel speed detecting device installable in a wheel bearing comprising an outer ring and an inner ring rotatable relative to the outer ring by rolling elements. The wheel speed detecting device may comprise a frame fixed on the inner ring so as to surround an outer circumference of the inner ring, a first target disposed along an outer circumference of the frame, a second target disposed at a central portion of the frame, and sensor configured to detect signals generated from each of the first target and the second target to measure rotational information of the inner ring.

Wheel speed detecting device and wheel bearing assembly comprising same

A wheel speed detection device according to one aspect of the present disclosure is installable on a wheel bearing which comprises an outer ring and an inner ring coupled to a rotating shaft and relatively rotated relative to the outer ring about the rotating shaft. The wheel speed detection device comprises a first target concentrically coupled to the rotating shaft, a second target disposed along an outer circumference of the inner ring, a cap coupled to the outer ring to cover the first target and the second target, a first sensor disposed in the cap and configured to detect a variation in magnetic field of the first target due to a rotation of the rotating shaft, and a second sensor disposed in the cap and configured to detect a variation in magnetic pole of the second target due to a rotation of the inner ring.

Device for detecting wheel speed

A wheel hub and slinger assembly includes a wheel hub including a base surface, a tolerance compensation portion extending from the base surface and formed to be concave in an axially outward direction, and a flange surface extending from the tolerance compensation portion in a radially outward direction, and a slinger including a mounting portion having an axially inward end portion and a first inner peripheral surface and configured to be press-fitted to the base surface, a bent portion having a second inner peripheral surface spaced apart from the tolerance compensation portion and extending from the mounting portion in a curved surface shape, and an extending portion extending from the bend portion and having a contact surface in contact with the flange surface in the radially outward direction. A stopper having an axially outward end portion surface and a radially outward end portion surface is formed on the wheel hub.

Wheel hub and slinger assembly, wheel bearing assembly, and method of producing wheel hub and slinger assembly

A sensor target for a wheel bearing is provided. The sensor target is fixed to a bearing hub of a wheel bearing. The sensor target has a shaft and a magnet. The shaft is pressed into the bearing hub coaxially with a rotational axis of the bearing hub. The shaft has a recess at one end in the length direction. The magnet is pressed into the recess.

Sensor target for wheel bearing, manufacturing method of sensor target, and wheel bearing comprising sensor target

An assembly of an outer ring and a knuckle comprises an outer ring used in a wheel bearing and a knuckle for connecting the outer ring to a suspension system. The outer ring comprises a body having a hollow formed in an axial direction of a rotation axis, a mounting portion extending in an outer radial direction and a circumferential direction of the body and having a plurality of first mounting holes formed thereon, and at least one mating protrusion formed on an outer circumferential surface of the body. The knuckle comprises a step portion configured to mate with the mating protrusion in an axial direction of the body. A plurality of second mounting holes corresponding to the plurality of first mounting holes are formed on the knuckle. The mating protrusion has one of a plurality of mating shapes having different shapes.

Assembly of outer ring and knuckle, and wheel bearing assembly including same

According to one embodiment of the present disclosure, a sealing device of a wheel bearing may be disposed axially outside of rolling elements and may be mounted between an outer ring and a hub. The sealing device of the wheel bearing may comprise an outer ring slinger mounted on the outer ring, a hub slinger mounted on the hub, and a deviation-preventing protrusion which protrudes from an outer circumferential surface of the hub to hold an axial inner end of the hub slinger when the hub slinger moves inward in an axial direction. The outer circumferential surface of the hub may meet the deviation-preventing protrusion at right angles.

Wheel bearing sealing device and manufacturing method therefor

A wheel bearing includes a hub provided with a flange; and an outer ring having an end close to the flange and the other end opposite to the end and relatively rotatable to the hub. A sealing structure for sealing the space between the flange and the end of the outer ring is further included.

Sealing structure of wheel bearing for vehicle and wheel bearing provided with the same

A tapered roller wheel bearing assembly may include: a hub provided with a hub flange for mounting a wheel formed radial outwardly at an end portion thereof and a hub raceway formed at a side portion close to the hub flange; an outer ring enclosing the hub and provided with an outer raceway corresponding to the hub raceway on an interior circumference thereof; and a tapered roller disposed between the hub raceway and the outer raceway and allowing a relative rotation of the hub and the outer ring, wherein a flange base is formed between the hub flange and the hub raceway and a first undercut for grinding the hub raceway is formed at the flange base, and wherein a second undercut for dispersing stress concentrated on the first undercut is further formed at the flange base.

Growing community of inventors

Seoul, South Korea

Jong Keun Lim