Reciprocating piston type compressor having a discharge chamber with a plurality of pulsation attenuating subchambers
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United States of America Patent
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-
Dec 30, 1997
Grant Date -
N/A
app pub date -
Feb 21, 1995
filing date -
Feb 23, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A reciprocating piston type compressor provided with pistons reciprocating in respective cylinder bores arranged in a cylinder block for compression of refrigerant gas in response to rotation of a reciprocation-drive-mechanism including a rotating drive shaft, a suction chamber receiving the refrigerant gas before compression and communicating with the cylinder bores via suction ports of a valve assembly, and a discharge chamber receiving the compressed refrigerant gas and communicating with the cylinder bores via discharge ports of the valve assembly, the discharge chamber being divided into a plurality of sub-chambers arranged to be in registration with the plurality of discharge ports of the valve assembly for attenuating pulsative components in the pressure of the compressed refrigerant gas, and the sub-chambers being sectioned by ribs having fluid passageways for providing communication among the sub-chambers.
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