Title:
冷凍機油組成物
Document Type and Number:
Japanese Patent JP4537560
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a refrigerating machine oil composition which sufficiently meets all required performances such as lubricity, heat/hydrolysis stability, refrigerant compatibility, and electrically insulating properties well in balance when used together with a hydrofluorocarbon(HFC) refrigerant or a natural refrigerant such as carbon dioxide and a hydrocarbon, and enables the improvement of the efficiency of a refrigerating system and the high reliability maintenance. SOLUTION: This refrigerating machine oil composition is obtained by adding a phosphorothionate compound to a base oil containing an alicyclic polycarboxylic ester compound.
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Inventors:
Yuji Shimomura
Issei Tagawa
Katsuya Takigawa
Issei Tagawa
Katsuya Takigawa
Application Number:
JP2000292630A
Publication Date:
September 01, 2010
Filing Date:
September 26, 2000
Export Citation:
Assignee:
Shin Nippon Oil Co., Ltd.
International Classes:
C10M169/04; C10M105/36; C10M105/38; C10M129/18; C10M129/66; C10M129/70; C10M137/02; C10M137/04; C10M137/08; C10M137/10; C10N30/00; C10N30/08; C10N40/30
Domestic Patent References:
| JP9221690A | ||||
| JP3243697A | ||||
| JP8209182A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Noriaki Nagahama
Shiro Terasaki
Noriaki Nagahama