COMPRESSOR FOR REFRIGERATION AND AIR-CONDITIONING AND REFRIGERATING AND AIR-CONDITIONING APPARATUS
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Jul 29, 2011
filing date -
Jul 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A refrigerating machine oil including a refrigerating machine oil basis such as polyol ester oil and an additive polyol ester oil is mixed to a refrigerant including 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene or the like. A compressor for refrigeration and air-conditioning including the mixture charged therein is used. The composition of the additive polyol ester oil is 1 to 30 wt %.The wear resistance of the compressor is improved, and the efficiency of a refrigerating and air-conditioning apparatus using the compressor is enhanced.
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