Brake slack adjuster with electronic control and distance sensor

Details Brake slack adjuster with electronic control and distance sensor Brake slack adjuster with electronic control and distance sensor

1991-06-05

1993-05-04

Graham, Matthew C.

Brakes

Wheel

Transversely movable

188 111, 188196BA, 188 7951, 192111A, F16D 6552, G01D 512, B60T 1718, B61H 1500

Patent

active

052072991

ABSTRACT:
A brake actuating device is furnished with a device for slack readjustment of a brake, in particular of a vehicle brake. Defects in the area of the slack readjustment device can result in an erroneous and defective brake behavior. The invention device furnishes a continuous control of the brake release gap and of the brake lining wear. The motion of the brake mechanism is used for the generation of a first measurement distance (s). The motion of the slack readjustment device (5, 7) is used for the generation of a second measurement distance (n). A regulating distance (q), formed by a superpositioning of the measurement distances (s) and (n), can be scanned and recorded with a distance sensor (17) of a signal generator (18). The signal, corresponding to the regulating distance (q), can be transformed into signals corresponding to the measurement distances (s) and (n) in an evaluation device. The evaluation device serves for a continuous surveillance and monitoring of the brake release gap and of the brake lining wear at a vehicle or in a diagnostic center, where the evaluation device can be connected to the vehicle.

REFERENCES:
patent: 3339676 (1967-05-01), Quinn
patent: 3356188 (1967-12-01), Goldman et al.
patent: 3412830 (1968-11-01), Bushnell
patent: 4620618 (1986-11-01), Monick
patent: 4705151 (1987-11-01), Leigh-Monstevens et al.
patent: 4749063 (1988-06-01), Garrett et al.
patent: 4756397 (1988-07-01), Deligny
patent: 4875557 (1989-10-01), Hagin et al.

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