Drum brake with controlled torque and torque control valve for s

Details Drum brake with controlled torque and torque control valve for s Drum brake with controlled torque and torque control valve for s

1981-12-03

1985-03-12

Butler, Douglas C.

Brakes

Wheel

Transversely movable

188364, 188349, B60T 1112, B60T 1134

Patent

active

045039542

ABSTRACT:
The brake comprises a torque control valve comprising a main piston which cooperates via a bearing piece with a shoe of which the bearing force is representative of the torque supplied by the brake during operation of the brake motor. The main piston controls the pressure admitted to the brake motor by a cut-off valve responsive to displacement of the main piston and by a variable volume decompression chamber of which a movable wall decompresses the fluid contained in the brake motor when the torque generated by the brake exceeds the limit of a predetermined torque-pressure law.

REFERENCES:
patent: 3047099 (1962-07-01), Dahle
patent: 4286504 (1981-09-01), Carre et al.
patent: 4292883 (1981-10-01), Riquart et al.

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