Hydrostatic two-circuit steering arrangement

Details Hydrostatic two-circuit steering arrangement Hydrostatic two-circuit steering arrangement

1978-07-11

1980-01-22

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Manual pump pressurizes fluid to position output motor...

60403, 60486, 180133, F15B 1116, F15B 1309

Patent

active

041843320

ABSTRACT:
A differential drive arrangement interconnects positive displacement pumps with a manual actuating mechanism of an auxiliary fluid power steering system for vehicles to compensate for variations in fluid outflow from the pumps pressurizing two servomotors through two fluid operating circuits. Check valves in the two fluid circuits are arranged to maintain operation of only an appropriate one of the differentially driven pumps through one of the two fluid circuits when a pressure loss occurs in the other of the fluid circuits.

REFERENCES:
patent: 3730288 (1973-05-01), Dean
patent: 3938331 (1976-02-01), Polacek et al.

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