Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshiharu Yasu0
Hiroshi Matsunaga0
Toru Aya0
Date of Patent
October 21, 2008
0Patent Application Number
120342120
Date Filed
February 20, 2008
0Patent Primary Examiner
Patent abstract
A hermetic rotary compressor operates two cylinders simultaneously in the regular operation; however it halts operating one of the cylinders when it selects an operation with a half capacity. A vane room of the halted cylinder is air-tightly sealed with respect to lubricant atmosphere in a hermetic case. An oil-supplying groove is provided to a vane groove of the halted cylinder, and lubricant is supplied to the oil-supplying groove in order to lubricate the vane.
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