Device for the determination of rotational speed

Details Device for the determination of rotational speed Device for the determination of rotational speed

1985-07-15

1987-02-10

Birmiel, Howard A.

Measuring and testing

Brake testing

Vehicle installation

340 52A, 324160, G01L 528

Patent

active

046415190

ABSTRACT:
A device for determining the rotational speed of a rotating component, in particular of a brake disc (1) of an automotive vehicle brake, the brake disc (1) containing recesses (2) shaped at preferably regular distances and lying opposite to a probe. A contact element (5) is provided as the probe which is adapted to move into abutment on the brake disc (1) and which, when overriding each recess (2), will interrupt an electric circuit comprising an evaluation circuit.

REFERENCES:
patent: 2846674 (1958-08-01), Wikkenhauser
patent: 3958445 (1976-05-01), Howard et al.
patent: 4027753 (1977-06-01), Lantz
patent: 4214483 (1980-07-01), Young
patent: 4298857 (1981-11-01), Robins et al.
patent: 4337651 (1982-07-01), Yoshino et al.
patent: 4520663 (1985-06-01), Moore et al.

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