| 摘要 |
PURPOSE:To improve the durability of a sealing member by using polyglycol group oil as the lubricating oil for a gas compressor which uses the refrigerant of R-22 group. CONSTITUTION:A gas compressor 1 is used as a part of a refrigerating cycle using the refrigerant R-22 and compresses the refrigerant gas through the revolu tion of a vane 13. The polyglycol group oil 3 as lubricating oil is stored on the bottom part of an oil separating chamber 17. The O-rings 20-25 as sealing member are made of rubber material. Since the rubber material does not gener ate swelling phenomenon even in contact with the refrigerant R-22 and polyglycol group oil under the high temperature and high pressure condition, the durability of the sealing member can be improved.
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