Wheel bearing assemblies incorporating sensing arrangements

Details Wheel bearing assemblies incorporating sensing arrangements Wheel bearing assemblies incorporating sensing arrangements

2007-12-28

2009-02-03

Joyce, William C (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S544000

Reexamination Certificate

active

07484892

ABSTRACT:
A wheel bearing assembly including inner and outer bearing rings, one of which is intended to rotate and the other of which is intended to remain stationary. The assembly also includes two sets of rolling elements between the rings and in angular contact with tracks defined by the rings. Each set of rolling elements is spaced in the direction of the axis of rotation with each set of rolling elements retained by one of two cages. The assembly further includes a sensing arrangement having at least two annular encoders with alternate north and south magnetic poles and at least two sensors operably associated with the encoders and each serving to provide electrical signals generated by the passage of the poles of the arranged encoder. One of the encoders is mounted on the rotatable one of the bearing rings. The other encoder is mounted on one of the cages and each of the sensors and encoders is disposed axially, between the sets of rolling elements.

REFERENCES:
patent: 5026178 (1991-06-01), Ballhaus
patent: 5046867 (1991-09-01), Hilby et al.
patent: 5762425 (1998-06-01), Ouchi
patent: 2941564 (1987-04-01), None
patent: 0887647 (1998-12-01), None
patent: 2558223 (1985-07-01), None
patent: 1353306 (1974-05-01), None
patent: 63-176761 (1988-07-01), None

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