Refrigerant compressor and friction control process therefor
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United States of America Patent
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Nov 14, 2006
Issued Date -
N/A
app pub date -
Aug 19, 2004
filing date -
Aug 21, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a refrigerant compressor including compressor parts having sliding portions slidable relative to each other and a refrigeration oil applied to the sliding portions of the compressor parts. At least one of the sliding portions of the compressor parts has a hard carbon coating formed thereon with a hydrogen content of 20 atomic % or less.
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