Liquid dispensing system

Details Liquid dispensing system Liquid dispensing system

1982-06-28

1985-03-26

Gluck, Richard E.

Pumps

Condition responsive control of pump drive motor

Having timer or delay means

417 44, 417296, 417302, F04B 4902, F04B 4906, F04B 4908

Patent

active

045070547

ABSTRACT:
A liquid dispensing system comprising a collapsible container, a dispensing head, a conduit leading from the container to the dispensing head and a pump for pumping liquid from the container through the conduit to the dispensing head. A vacuum switch is responsive to a sharp increase in the vacuum on the intake side of the pump to shut the pump off. The pump is controlled by a pressure switch which is responsive to the pressure of the liquid pumped by the pump. A bypass is provided for bypassing liquid in response to a predetermined pressure in the pumping chamber.

REFERENCES:
patent: 1943102 (1934-01-01), Woodruff
patent: 2049233 (1936-07-01), Thomas
patent: 2225308 (1940-12-01), Kroll
patent: 4242061 (1980-12-01), Hartley

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