Reversing means for double-acting fluid pump

Details Reversing means for double-acting fluid pump Reversing means for double-acting fluid pump

1975-06-18

1977-06-07

Freeh, William L.

Pumps

Motor driven

Fluid motor

F04B 910

Patent

active

040280144

ABSTRACT:
A double-acting, piston-type fluid pump is reversed in direction by solenoid valves actuated by electrical switches located at each end of the piston movement.

REFERENCES:
patent: 2612951 (1952-10-01), Palmleaf
patent: 2658485 (1953-11-01), Dreyer
patent: 2755966 (1956-07-01), Lindars
patent: 2772664 (1956-12-01), Jones et al.

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