Speed retarder control system

Details Speed retarder control system Speed retarder control system

1979-09-17

1981-06-09

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple systems

Fluid pressure and electric

188290, 188296, 303119, B60T 802

Patent

active

042721318

ABSTRACT:
The speed retarder control system includes a plurality of solenoid valves and reducing valves so arranged to receive pressure influenced hydraulic fluid and release the hydraulic fluid to a hydraulic fluid responsive vehicle retarder at a substantially lower pressure. The fluid pressure experienced by the retarder can be incrementially varied to result in varying degrees of vehicle retardation.

REFERENCES:
patent: 3989127 (1976-11-01), Standenmaier et al.

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