Title:
Freezer oil and the operation fluid constituent for freezers
Document Type and Number:
Japanese Patent JP5913691
Kind Code:
B2
Abstract:
The refrigerating machine oil of the invention includes an ester of a polyhydric alcohol and a fatty acid, wherein the molar ratio of C-Cfatty acid and C-Cbranched fatty acid in the fatty acid is between 15:85 and 90:10, the C-Cfatty acid includes 2-methylpropanoic acid, and the ratio of the total C-Cfatty acid and C-Cbranched fatty acid in the total fatty acids composing the ester is at least 20 mol%. The working fluid composition for a refrigerating machine according to the invention comprises the refrigerating machine oil, a difluoromethane refrigerant and/or an unsaturated fluorinated hydrocarbon refrigerant.
Inventors:
Katsuya Takigawa
Masanori Saito
Takeshi Ogido
Kuniko Adegawa
Masanori Saito
Takeshi Ogido
Kuniko Adegawa
Application Number:
JP2015118418A
Publication Date:
April 27, 2016
Filing Date:
June 11, 2015
Export Citation:
Assignee:
jx energy corporation
International Classes:
C10M105/38
Domestic Patent References:
| JP6041575A | ||||
| JP6041574A | ||||
| JP6248282A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yoshinori Shimizu
Hiroyuki Hirano
Yoshiki Kuroki
Yoshinori Shimizu
Hiroyuki Hirano