Refrigerator oil
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United States of America Patent
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Apr 23, 2013
Grant Date -
Dec 15, 2011
app pub date -
Aug 16, 2011
filing date -
Nov 15, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a refrigerating machine oil which contains a base oil mainly containing at least one substance selected from the group consisting of a mineral oil, a synthetic alicyclic hydrocarbon compound, and a synthetic aromatic hydrocarbon compound and having a kinematic viscosity at 40° C. of 1 to 8 mm2/s. The refrigerating machine oil is applied to refrigerators including a sliding part formed of an engineering plastic or including an organic coating film or an inorganic coating film. The refrigerating machine oil enables to improve energy-saving performance due to its low viscosity, has a low frictional coefficient and good sealing property, and is suitably used in various refrigeration applications, especially in closed-type refrigerators.
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