Automobile wheel bearing unit

Details Automobile wheel bearing unit Automobile wheel bearing unit

1988-12-28

1990-03-13

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

G01M 1900

Patent

active

049074458

ABSTRACT:
An automobile wheel bearing unit has an external member to be mounted on the chassis of an automobile, an internal member on one end of which is mounted a wheel, rolling elements interposed between the external member and the internal member, and a cage. The internal member is rotatably mounted to the external member via the rolling elements by a nut. An annular member having a plurality of projections on an end surface thereof is mounted on the other end of the internal member opposite to the end thereof to which the wheel is mounted, and rotates in conjunction with the internal member. The nut and annular member are covered with a sealing member mounted on the external member. A rotational detector is mounted to the sealing member, and positioned between an inner peripheral surface of the sealing member and an outer peripheral surface of the nut so as to face the projections of the annular member and detects a rotational speed of the annular member. The rotational detector so sealed can detect the rotational speed with good precision over an extended period.

REFERENCES:
patent: 3683219 (1972-08-01), Kruse
patent: 4797612 (1989-01-01), Nakanishi et al.

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