Hermetic compressor having a valve to drain liquid accumulations

Details Hermetic compressor having a valve to drain liquid accumulations Hermetic compressor having a valve to drain liquid accumulations

1980-01-10

1981-11-03

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Normally open bypass or relief passage closed by increased...

417415, 417434, 417902, F04B 3504, F04B 4902

Patent

active

042983142

ABSTRACT:
A hermetic compressor having an upper portion 12 and a lower portion 16 is provided with a motor 20 in its upper portion with a vertical crankshaft 22 extending down into the lower portion and driving a plurality of pistons 28, 30 in cylinders 24, 26 arranged radially around the crankshaft, each cylinder having a cylinder head 38 radially outwardly of the discharge valve 36, and at least the lowermost cylinder head 38 being provided with a spring-loaded drain valve 44 which opens upon the differential pressure between the inside of the cylinder head and the suction space in the compressor dropping below a given value during periods of non-operation of the compressor to drain an accumulation of liquids in the cylinder head.

REFERENCES:
patent: 2449740 (1948-09-01), Felser
patent: 3066857 (1962-12-01), McCloy
patent: 3119550 (1964-01-01), West
patent: 4026122 (1977-05-01), Kuhn et al.

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