Device enabling the revolutionary speed to be measured between t

Details Device enabling the revolutionary speed to be measured between t Device enabling the revolutionary speed to be measured between t

1990-04-09

1991-04-02

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384448, 384476, F16C 1900

Patent

active

050043587

ABSTRACT:
A device enabling the revolutionary speed to be measured between two parts in relative rotation such as the supports of a vehicle wheel and in particular between rings of a rolling bearing for the support of a vehicle wheel, including a first shield integral with the rotating ring of the rolling bearing carrying a magnetized ring with a pair of alternate poles, which is placed in front of, in operation, a passive sensor borne by a second shield attached to the fixed ring of the bearing; the sensor is inductive and has n polar pieces in a number proportional to the pairs of alternate poles of the magnetized ring; the configurations of shields and sensor are such that the elements measuring the relative speed are integral with the shields and protected outwards.

REFERENCES:
patent: 4732494 (1988-03-01), Guers et al.
patent: 4783180 (1988-11-01), Hayashi
patent: 4946296 (1990-08-01), Olschewski et al.
patent: 4948277 (1990-08-01), Alff

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