Pumping apparatus comprising two collapsible chambers

Details Pumping apparatus comprising two collapsible chambers Pumping apparatus comprising two collapsible chambers

1976-04-05

1979-06-19

Croyle, Carlton R.

Pumps

Motor driven

Fluid motor

417394, 417486, F04B 4310, F04B 4506

Patent

active

041585305

ABSTRACT:
A pump having two collapsible pumping chambers connected in series is coupled to a pump drive mechanism which opens and closes each chamber in a sequence that produces pumping action.

REFERENCES:
patent: 2291912 (1942-08-01), Meyers
patent: 2760436 (1956-08-01), Von Seggern
patent: 3143124 (1964-08-01), Todd
patent: 3154021 (1964-10-01), Vick
patent: 3175498 (1965-03-01), Rohrer
patent: 3314371 (1967-04-01), Hopkinson
patent: 3417707 (1968-12-01), Zimmer
patent: 3701618 (1972-10-01), Wall et al.

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