Control device for a pump with adjustable flow

Details Control device for a pump with adjustable flow Control device for a pump with adjustable flow

1986-12-24

1988-06-14

Croyle, Carlton R.

Pumps

Condition responsive control of drive transmission or pump...

Plural pumps with individual or relative control

417217, 417218, F04B 4900

Patent

active

047508663

ABSTRACT:
The invention relates to a pump assembly having a pump with reversible and adjustable controls, the pump controls having a neutral nonflow position and varying positions in opposite directions for effecting corresponding varying rates of flow in the opposite directions. The pump controls include a control valve for the adjusting function which is cooperable with resetting apparatus.

REFERENCES:
patent: 3985472 (1976-10-01), Virtue et al.
patent: 4216656 (1980-08-01), Hamma
patent: 4432703 (1984-02-01), Beutler et al.
patent: 4436489 (1984-03-01), Zangenberg
patent: 4559778 (1985-12-01), Krusche

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