Pump device

Details Pump device Pump device

1978-09-12

1981-05-26

Smith, Leonard E.

Chemistry: electrical current producing apparatus, product, and

Having movable mechanical means to provide relative motion...

417383, 417394, 92 90, H01M 238, F04B 4500

Patent

active

042699061

ABSTRACT:
A pump device for intermittently pumping fluid, comprises a pump house having a primary portion and a secondary portion forming a space therebetween. The pump house includes an inlet opening for admitting fluid into the space and an outlet opening. An elastic membrane is disposed in the space between the primary and secondary parts and includes a secondary side facing the inlet and outlet openings. Pulsating pressure waves are applied against the membrane for displacing the membrane such that the secondary side thereof initially closes the inlet opening and thereafter expresses fluid from the space through the outlet opening.

REFERENCES:
patent: 1503279 (1924-07-01), Nixon
patent: 3022737 (1962-02-01), Tuckey
patent: 3586462 (1971-06-01), Kaiser et al.
patent: 3807906 (1974-04-01), Breit

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