Controlling and regulating device for pumps with constant volume

Details Controlling and regulating device for pumps with constant volume Controlling and regulating device for pumps with constant volume

1982-03-08

1984-03-27

Gluck, Richard E.

Pumps

One fluid pumped by contact or entrainment with another

Liquid pumped by supplying or exhausting gaseous motive...

417131, 417138, 417290, F04F 106

Patent

active

044391102

ABSTRACT:
A device for controlling the performance of pumps, having a constant volume such as pneumatic pumps having a constant volume, comprises liquid level detectors, such as magnetic microswitches that cooperate with a magnetized float, and the detectors are adapted to control the filling and delivery operation of pumped liquid into and out of a pump body.
The device may comprise three or more liquid level detectors and a timing device for the filling and/or delivery operation of the pump, at least one of said detectors being adapted to control said timing device and the other liquid level detectors being adapted to control the filling and delivery operation itself.

REFERENCES:
patent: 1056709 (1913-03-01), Pollacek
patent: 2982467 (1961-05-01), Corson et al.
patent: 3556682 (1971-01-01), Sakamoto et al.
patent: 3907462 (1975-09-01), Kroeger
patent: 3991825 (1976-01-01), Morgan
patent: 4037992 (1977-07-01), Uchida et al.

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