Controller for vehicle retarder

Details Controller for vehicle retarder Controller for vehicle retarder

1983-06-13

1984-11-27

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Combined with surface-friction brake

188290, 303 40, 303 68, F16F 1100, B60K 4120

Patent

active

044846681

ABSTRACT:
A pneumatic controller for actuating a retarder of the motion of a vehicle. Inlet and exhaust valves are actuated by a pair of diaphragms responsive to the pressure of the air applied to the brakes of a vehicle and the pressure of the air actuating the retarder. The valves are preferably on a common stem and operatively associated with the diaphragms by an actuator rod responsive to the resultant of forces produced by both of the diaphragms.

REFERENCES:
patent: 4324320 (1982-04-01), Spurlin et al.
patent: 4421212 (1983-12-01), Fleck
patent: 4440272 (1984-04-01), Bieber

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