Motor vehicle clutch with an inductive signal transmission betwe

Details Motor vehicle clutch with an inductive signal transmission betwe Motor vehicle clutch with an inductive signal transmission betwe

1981-11-13

1984-10-02

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

188 111, 324 83FM, 200 614, 340 52A, 340 57, F01P 6514, F16D 2300, F16F 6600

Patent

active

044742746

ABSTRACT:
A clutch disk of a motor vehicle clutch is provided with a contact element. This contact element is part of a sensing circuit rotating with the clutch disk. This sensing circuit is open as long as the friction pads on the clutch disk are relatively new. Only when the friction pads have been worn to a predetermined degree, the contact element comes into contact with a friction face of the fly wheel disk of the pressure plate of the clutch, so that the sensing circuit is closed. The sensing circuit is connected through a pair of induction coils to a stationary electronic circuitry. This circuitry is influenced by the opening and closing of the sensing circuit and controls indicating means for indicating the degree of wear of the friction pads.

REFERENCES:
patent: 2514693 (1950-07-01), Chapman
patent: 3040222 (1962-06-01), Kunz
patent: 3505595 (1970-04-01), Favre
patent: 3601794 (1971-08-01), Blomenkamp et al.
patent: 3614732 (1971-10-01), LeJeune
patent: 3674114 (1972-07-01), Howard
patent: 3808593 (1974-04-01), Kopernik et al.
patent: 3828308 (1974-08-01), Kobayashi
patent: 3872425 (1975-03-01), Kobayashi
patent: 3982614 (1976-09-01), Bisaillon
patent: 4074575 (1978-02-01), Bergman et al.
patent: 4166442 (1979-09-01), Henderson et al.
patent: 4332314 (1982-06-01), Flotow

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