Small pump valve plate assembly

Details Small pump valve plate assembly Small pump valve plate assembly

1987-08-24

1988-10-11

Croyle, Carlton R.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417566, 417571, 1375124, F04B 2102

Patent

active

047767766

ABSTRACT:
An improved valve plate assembly for use with a reciprocating piston fluid pump such as a low capacity air compressor. A resilient rubber valve molding is positioned over a plate defining inlet and outlet ports for forming a seal between the plate and a cylinder head, for forming an inlet check valve and for forming an outlet check valve.

REFERENCES:
patent: 1633772 (1927-06-01), Clapp
patent: 2875776 (1959-03-01), Skipwith, Jr.
patent: 3314600 (1967-04-01), Hadley
patent: 3360169 (1967-12-01), Susuki et al.
patent: 3547561 (1970-12-01), Lavon
patent: 4259951 (1981-04-01), Chernack et al.
patent: 4437490 (1984-03-01), Demers et al.
patent: 4573888 (1986-03-01), Kitchin

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