SEALING STRUCTURE AND COMPRESSOR EQUIPPED WITH SAME

摘要

PROBLEM TO BE SOLVED: To provide a low cost sealing structure using a rubber material as a sealing material sealing carbon dioxide gas refrigerant.

SOLUTION: A sealing structure for a connection part having a fitting cylinder part 26 of a rear housing 6 fitted in a rear end part of the cylinder block 2. A secondary seal member 34 made of a rubber material having electric insulation and oxygen permeability resistance is put between an end surface 31 of a rear housing 6 and a rear end surface 27A of the rear housing 6. A main seal member 32 made of a rubber material such as NBR or HNBR is stored in a groove 33 on a circumference surface of the fitting cylinder part 26.

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