Refrigeration oil

The refrigeration oil composition, featuring a lubricating base oil, phosphorus-containing additive, and polymer with unsaturated carboxylic acid ester, addresses the challenge of maintaining low friction across varying slip speeds, enhancing compressor efficiency.

JP7659545B2Active Publication Date: 2025-04-09ENEOS CORP
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Patent Information

Application Number
JP2022518090
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2020-04-30
Filing Date
2021-04-27
Publication Date
2025-04-09
Estimated Expiration
2041-04-27

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Abstract

One aspect of the present invention provides a refrigerating machine oil which contains a lubricant base oil, a phosphorus-containing additive, and a polymer that contains an unsaturated carboxylic acid ester as a monomer unit.
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Citation Information

Patent Citations

  • Refrigerant oil composition for package air conditioner

    JP2005281603A

  • Refrigerating machine oil composition

    JP2007204568A

  • Lubricating oil composition

    JP2008184569A

  • Lubricating oil composition

    JP2011162766A

  • Refrigeration oil and composition for refrigerating-machine

    JP2018083920A