Refrigerant gas compressor

Details Refrigerant gas compressor Refrigerant gas compressor

2011-07-12

2011-07-12

Rodriguez, William H (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

Reexamination Certificate

active

07976288

ABSTRACT:
A refrigerant gas compressor includes a cylinder block formed with plural cylinder bores, a first housing disposed at the one end of the cylinder block, a second housing disposed at the other end of the cylinder block, a drive shaft supported by the cylinder block and one of the housings, a crank chamber formed in one of the housings, a suction chamber and a discharge chamber formed in one of the housings, a valve plate assembly disposed between the cylinder block and at least one of the housings, a stepped portion formed adjacent to the valve plate assembly to receive a part of the valve plate assembly. A storage chamber is provided for reserving therein oil separated from refrigerant gas. An oil groove is formed by the stepped portion and the valve plate assembly and connecting the storage chamber with one of the crank chamber and the suction chamber.

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Machine Language Translation of Japanese Patent 2004-044463 to inventor Nonoyama published on Feb. 12, 2004.
English Summary of JP Office Action mailed on Dec. 28, 2010 for corresponding JP Application No. 2006-352221.

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