Single drive motor device particularly to supply fluid conveyanc

Details Single drive motor device particularly to supply fluid conveyanc Single drive motor device particularly to supply fluid conveyanc

1977-05-18

1979-03-13

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

417 17, 417 38, 417 63, 417315, 184 27A, F04B 4900, F04B 104, F16N 714

Patent

active

041439953

ABSTRACT:
A device is described and shown for supplying tandem line fluid systems, the device comprising pumping means driven by an electric motor and a slide valve for alternately supplying the pressure fluid to either of the two lines, wherein the pump slide valve is controlled by using as the above motor a reversibly rotating type of electric motor, transmitting torque in one direction for controlling through a one-way drive clutch the pump, and in the other direction the slide valve through a second one-way drive clutch transmitting the torque in the opposite direction.

REFERENCES:
patent: 1557222 (1925-10-01), Warner
patent: 1814154 (1931-07-01), Hartley
patent: 1946559 (1934-02-01), Wieskopf
patent: 2528764 (1950-11-01), Leonard
patent: 2561786 (1951-07-01), Davis
patent: 2780334 (1957-02-01), Simmons
patent: 2873003 (1959-02-01), Meinelt
patent: 3174436 (1965-03-01), Wanner
patent: 3701350 (1972-10-01), Guenther

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