Title:
REFRIGERATION MACHINE OIL COMPOSITION, REFRIGERANT LUBRICATING OIL MIXED COMPOSITION, AND REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2022/071486
Kind Code:
A1
Abstract:
Provided is a refrigeration machine oil composition having good lubrication characteristics that can sufficiently reduce friction and prevent seizure between sliding members even when a base oil containing a low-viscosity oil is used, by a refrigeration machine oil composition containing a base oil that includes a mineral oil, (A) at least one selected from specific neutral phosphoric acid esters and amine salts thereof, and (B) at least one selected from specific acidic phosphoric acid esters, acidic phosphorous acid esters, and amine salts of these, the 40°C kinematic viscosity being 1.0-6.0 mm2/s.
Inventors:
OKUYAMA GENKI (JP)
NAKAJIMA SO (JP)
NAKAJIMA SO (JP)
Application Number:
PCT/JP2021/036124
Publication Date:
April 07, 2022
Filing Date:
September 30, 2021
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C09K5/04; C10M137/02; C10M137/04; C10M137/08; F25B1/00; C10N30/06; C10N40/30
Domestic Patent References:
| WO2007105452A1 | 2007-09-20 | |||
| WO2013129579A1 | 2013-09-06 | |||
| WO2018062099A1 | 2018-04-05 | |||
| WO2014156338A1 | 2014-10-02 |
Foreign References:
| JP2018123300A | 2018-08-09 | |||
| JP2008275275A | 2008-11-13 | |||
| JPH07305083A | 1995-11-21 | |||
| JPH09157681A | 1997-06-17 | |||
| JP2005325151A | 2005-11-24 | |||
| JPS61296093A | 1986-12-26 | |||
| JPH09316479A | 1997-12-09 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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