Title:
Lubricating oil for compression refrigerators
Document Type and Number:
Japanese Patent JP6298556
Kind Code:
B2
Abstract:
The present invention is a lubricating oil for compression-type refrigerators using a difluoromethane (R32) refrigerant. The lubricating oil for compression-type refrigerators contains a first polyvinyl ether compound that is a polymer having a structural unit of a specific structure and has a carbon/oxygen molar ratio of from 3.0 to less than 4.0.
Inventors:
Kisen Tadashi
Tomoya Matsumoto
Tomoya Matsumoto
Application Number:
JP2017073650A
Publication Date:
March 20, 2018
Filing Date:
April 03, 2017
Export Citation:
Assignee:
IDEMITSU KOSAN CO.,LTD.
International Classes:
C10M107/24; C10M177/00
Domestic Patent References:
| JP6128578A | ||||
| JP8193196A | ||||
| JP9272886A | ||||
| JP2001181659A |
Foreign References:
| WO2012086518A1 |
Attorney, Agent or Firm:
Tamotsu Otani
Yoshio Takizawa
Yoshio Takizawa