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. 26, 2022
Filed:
May. 27, 2015
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Hideaki Maeyama, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); F04C 18/344 (2006.01); F25B 1/02 (2006.01); F04C 29/04 (2006.01); F25B 1/053 (2006.01); F25B 1/04 (2006.01); F04C 23/00 (2006.01); F25B 13/00 (2006.01); F04C 25/00 (2006.01); F04C 18/356 (2006.01); C09K 5/04 (2006.01); F04C 28/28 (2006.01);
U.S. Cl.
CPC ...
F25B 9/002 (2013.01); C09K 5/045 (2013.01); F04C 18/344 (2013.01); F04C 18/356 (2013.01); F04C 23/008 (2013.01); F04C 25/00 (2013.01); F04C 29/042 (2013.01); F25B 1/02 (2013.01); F25B 1/04 (2013.01); F25B 1/053 (2013.01); F25B 13/00 (2013.01); C09K 2205/126 (2013.01); C09K 2205/24 (2013.01); F04C 28/28 (2013.01); F04C 2210/263 (2013.01); F04C 2210/268 (2013.01); F04C 2280/00 (2013.01);
Abstract
A compressorfor use in a refrigerant circuitusing a refrigerating machine oilbeing free of phosphoric ester and a refrigerant mixture inclusive of 1,1,2-trifluoroetylene includes a rolling pistonand a vanein contact with the rolling pistonin a slidable manner. The rolling pistonand the vaneare formed of a base metal, the base metal being steel, and the base metal is exposed at a contact portion between the rolling pistonand the vane