Diaphragm pump

Pumps – Expansible chamber type – Having additional chamber intake connection from nonpumping...

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Details

417540, F04B 1100, F04B 3908

Patent

active

045940592

ABSTRACT:
A diaphragm pump for fluids has a housing, a fluid displacement part including a displacement chamber and a pump diaphragm, and a flow control including a damping chamber arranged to absorb pressure impacts a fluid in aspiration region and having an adjustable fluid admission volume so as to change a fluid supply to the pump diaphragm.

REFERENCES:
patent: 2143391 (1939-01-01), Szekely
patent: 2811929 (1957-11-01), Rupp
patent: 3941519 (1976-03-01), McCauley
patent: 3947156 (1976-03-01), Becker
patent: 4086036 (1978-04-01), Hagen et al.

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