Title:
冷凍装置
Document Type and Number:
Japanese Patent JP5842987
Kind Code:
B2
Abstract:
A refrigeration apparatus (1) comprises a compressor (2), a condenser (4, 6), an expansion mechanism (5), and an evaporator (6, 4). Refrigerant contains at least 60 wt% of R32, and refrigerator oil for lubricating the compressor (2) are used, the refrigerator oil containing polyvinyl ether oil or polyol ester oil as base oil. An acid scavenger added in an amount of 1.0 wt% to 5.0 wt% is blended with the refrigerator oil. The acid scavenger added in an amount of 2.0 to 5.0 wt% may be blended with the refrigerator oil.
Inventors:
Masaru Tanaka
Hideki Matsuura
Shigeharu Taira
Akinori Nakai
Hideki Matsuura
Shigeharu Taira
Akinori Nakai
Application Number:
JP2014253525A
Publication Date:
January 13, 2016
Filing Date:
December 15, 2014
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F25B1/00; C09K5/04; C10M105/38; C10M107/24; C10M169/04
Domestic Patent References:
| JP2011195631A | ||||
| JP6240277A | ||||
| JP2003097441A | ||||
| JP2010235960A | ||||
| JP10185369A | ||||
| JP2011202032A | ||||
| JP201143276A |
Foreign References:
| WO2012104893A1 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation