Valve unit for a reciprocating compressor for refrigerators and

Details Valve unit for a reciprocating compressor for refrigerators and Valve unit for a reciprocating compressor for refrigerators and

1991-02-07

1992-05-05

Bertsch, Richard A.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

137856, 137857, F04B 2102

Patent

active

051102722

ABSTRACT:
The valve unit includes a valve plate fitted to a head end of the cylinder of the compressor and having a valve-controlled intake part and an exhaust port surrounded by an annular seat formed in an opposite face of the plate from that which faces the cylinder, an exhaust valve reed associated with the seat, and a limit device fixed to the plate for limiting the travel of the exhaust reed. The exhaust reed includes a base portion which is restrained on the plate, an obturating head portion spaced from the base portion and cooperating with the seat, and an elongate portion connected the base and head portions. The connecting portion is "L"-shaped in plan with the head portion situated at the end of the leg of the "L" and the base portion situated at the end of the foot of the "L". The foot of the "L" is free to bend with the leg of the "L".

REFERENCES:
patent: 2019747 (1931-12-01), Taylor
patent: 2970608 (1958-06-01), Doeg
patent: 3039487 (1960-09-01), Doeg
patent: 4524806 (1985-06-01), Romer

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