Fluid control circuit for a radio controlled vehicle

Details Fluid control circuit for a radio controlled vehicle Fluid control circuit for a radio controlled vehicle

1974-04-17

1976-01-20

Geoghegan, Edgar W.

Motors: expansible chamber type

Differential

60403, 60484, 60DIG2, F15B 1116, F15B 1306

Patent

active

039330818

ABSTRACT:
A fluid control circuit for a radio controlled vehicle for operating an engine, transmission, steering, movable elements of earth-moving machines and braking device of the vehicle by means of radio control. The control circuit has plural shuttle valves interposed between brake cylinders and solenoid operated valves for controlling the brake cylinders. A circuit changing valve is interposed between a conduit communicating with the source of fluid under pressure and conduits communicating with operating cylinders for the engine, transmission, steering, earth-moving machines and braking devices through respective solenoid valves and the shuttle valves. Circuit changing valve is manually operable for selectively feeding fluid in pressure from the source thereof to either conduit communicating with the respective operating cylinders. Thus, the remote control of the vehicle can be simply changed to a manual one or vice versa by a single operation.

REFERENCES:
patent: 2403391 (1946-07-01), Muir
patent: 2446149 (1948-07-01), Wells
patent: 2643515 (1953-06-01), Harsch

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