Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent
1990-02-27
1990-12-18
Fox, John C.
Pumps
Expansible chamber type
Having pumping chamber pressure responsive distributor
137856, F04B 2102
Patent
active
049782851
ABSTRACT:
A reed valve for a hermetic compressor having a case housing a cylinder and a piston movable therein with compression and suction chambers being defined in conjunction with the piston and an end plate provided with a refrigerating fluid passage hole defining with its outlet end a seat on which the flexible blade of a valve is seatable. The passage hole outlet end is in a spaced plane in relation to a parallel plane on the end plate to which the blade basic portion is attached with the blade, when not elastically deformed, lying in a sloped plane in relation to the plane containing the passage hole outlet.
REFERENCES:
patent: 1029726 (1912-06-01), Sprado
patent: 2563200 (1951-08-01), Veuning
patent: 4325680 (1982-04-01), Bar
patent: 4642037 (1987-02-01), Frichtmann
Empresa Brasileira De Compressores S.A.
Fox John C.
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