Pump valve

Details Pump valve Pump valve

1978-03-02

1980-01-01

Croyle, Carlton R.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

13751215, 1375124, 417566, F04B 2102

Patent

active

041814770

ABSTRACT:
The inlet and discharge valves of a pump are each comprised of a circular valve plate centered in a circular cutout in a flat valve sheet. Diametrically opposed webs join the valve plate to the main body of the valve sheet and perforations in the webs provide both, spring action and allow for air passage.

REFERENCES:
patent: 568362 (1896-09-01), MacSpadden
patent: 1619481 (1927-03-01), Oakes
patent: 2669979 (1954-02-01), Kiekhaefer
patent: 2809589 (1957-10-01), Randolph
patent: 2880584 (1959-04-01), French
patent: 2980032 (1961-04-01), Schneider
patent: 3045605 (1962-07-01), Nutten et al.
patent: 3127906 (1964-04-01), Balster
patent: 3314600 (1967-04-01), Hadley
patent: 3356100 (1967-12-01), Seeler
patent: 4086036 (1978-04-01), Hagen et al.

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