Hydrostatic drive circuit

Details Hydrostatic drive circuit Hydrostatic drive circuit

1974-12-30

1976-04-27

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of...

60484, 60486, 180 44F, 60464, F15B 1800

Patent

active

039525112

ABSTRACT:
A hydrostatic vehicle drive system having a closed loop front wheel drive circuit and a closed loop rear wheel drive circuit with bi-directional pressure compensating crossover flow between the two closed loop circuits. Another hydrostatic circuit for driving auxiliary equipment also operates as a source of pressurized fluid for charging the wheel drive circuits. The auxiliary hydrostatic circuit includes priority flow to the auxiliary equipment and a flow control with pressure relief means to maintain a constant charging pressure and a predetermined fluid flow for operating the braking circuit as well as charging the wheel drive circuits.

REFERENCES:
patent: 3092970 (1963-06-01), Sampietro
patent: 3261421 (1966-07-01), Forster et al.
patent: 3641765 (1972-02-01), Hancock et al.

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