Piston-cylinder arrangement for a compressor

Details Piston-cylinder arrangement for a compressor Piston-cylinder arrangement for a compressor

1978-05-18

1980-02-26

Cohen, Irwin C.

Expansible chamber devices

With means to control fluid flow from non-working chamber

92187, F15B 2104

Patent

active

041899849

ABSTRACT:
The invention relates to a compressor of the type used in refrigeration systems. In these compressors the piston pin in the transversely extending piston bore is of lesser length than the diameter of the piston such that undesired chambers are formed at opposite ends of the pin. The stroke is normally of a length that the piston pin and these chambers intersect the lower edge of the cylinder. Gas trapped in these chambers expands rapidly with an undesired popping noise when fluid communication is established at the end of the down stroke between the chambers and the interior of the crankcase. Throttling passages are provided between these chambers and the interior of the crankcase to prevent pressure build-up in the chambers and the accompanying popping noise.

REFERENCES:
patent: 1137111 (1915-04-01), Balough
patent: 1480481 (1924-01-01), Wakefield
patent: 3003837 (1961-10-01), Flame et al.
patent: 3783747 (1974-01-01), Alford et al.

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