Retarder control device

Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element

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Details

303 3, 303 13, 303 84A, B60T 712

Patent

active

039660117

ABSTRACT:
A retarder control device for a vehicle with an oil-cooled multi-plate disc brake which has solenoid and hand brake valves assembled in parallel with a pneumatic line. A check valve is provided at the pneumatic pressure line for checking oil flow from the solenoid and hand brake valves, and thus the rear brake is manually and automatically operated.

REFERENCES:
patent: 2292105 (1942-08-01), Davis
patent: 2803785 (1957-08-01), Desch
patent: 3497267 (1970-02-01), Dobrikin
patent: 3601451 (1971-08-01), Cummins et al.
patent: 3730596 (1973-05-01), Felix et al.
patent: 3800904 (1974-04-01), Zelenka
patent: 3802529 (1974-04-01), Burckhardt et al.

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