Title:
An operation fluid constituent for freezers
Document Type and Number:
Japanese Patent JP6067103
Kind Code:
B2
Abstract:
The present invention provides a working fluid composition for a refrigerating machine, comprising: a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester obtainable by synthesis of at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a C6-C12 polybasic acid, and a C4-C 18 monohydric alcohol or a C4-C 18 monocarboxylic fatty acid, and (B) a polyol ester obtainable by synthesis of from at least one polyhydric alcohol selected from neopentyl glycol, trimethylolpropane, pentaerythritol and dipentaerythritol, and a C4-C18 monocarboxylic fatty acid, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and tetrafluoropropene as a refrigerant, wherein a refrigerant dissolved viscosity, at a temperature of 80°C and an absolute pressure of 1.6 MPa, is 1.5 mm 2 /s or more.
Inventors:
Takeshi Ogido
Soichiro Konno
Soichiro Konno
Application Number:
JP2015508309A
Publication Date:
January 25, 2017
Filing Date:
March 14, 2014
Export Citation:
Assignee:
jx energy corporation
International Classes:
C10M105/32; C09K5/04; F25B1/00
Domestic Patent References:
| JPH07507346A | 1995-08-10 | |||
| JP2012508807A | 2012-04-12 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yoshinori Shimizu
Hiroyuki Hirano
Mt. Nakatsuka
Yoshiki Kuroki
Yoshinori Shimizu
Hiroyuki Hirano
Mt. Nakatsuka