The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2019
Filed:
Oct. 25, 2012
Applicant:
Jx Nippon Oil & Energy Corporation, Tokyo, JP;
Inventors:
Assignee:
JX NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 171/00 (2006.01); F25B 1/00 (2006.01);
U.S. Cl.
CPC ...
C09K 5/045 (2013.01); C10M 171/008 (2013.01); F25B 1/00 (2013.01); C09K 2205/104 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01); C10M 2207/2835 (2013.01); C10M 2209/043 (2013.01); C10N 2220/022 (2013.01); C10N 2220/302 (2013.01); C10N 2230/10 (2013.01); C10N 2230/70 (2013.01); C10N 2240/30 (2013.01);
Abstract
A working fluid composition for a refrigerating machine of the invention comprises a refrigerant comprising difluoromethane and an unsaturated fluorinated hydrocarbon wherein a mass of the difluoromethane/the unsaturated fluorinated hydrocarbon is 95/5 to 10/90, and a refrigerating machine oil comprising at least one base oil selected from among polyol esters with a carbon/oxygen molar ratio of 3.2 to 5.8 and polyvinyl ethers with a carbon/oxygen molar ratio of 3.2 to 5.8.