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, 2024
Filed:
Aug. 09, 2022
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Eiji Kumakura, Osaka, JP;
Kazuhiro Furusho, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 29/04 (2006.01); F04C 18/02 (2006.01); F04C 18/18 (2006.01); F04C 29/00 (2006.01); F04C 29/02 (2006.01);
U.S. Cl.
CPC ...
F04C 29/04 (2013.01); F04C 18/0215 (2013.01); F04C 29/0057 (2013.01); F04C 29/023 (2013.01); F04C 29/028 (2013.01); F04C 2210/26 (2013.01); F04C 2240/40 (2013.01); F04C 2240/50 (2013.01); F04C 2240/60 (2013.01); F04C 2240/603 (2013.01);
Abstract
In a compressor compressing a refrigerant including hydrocarbon fluoride prone to disproportionate, provided, on a contact portion of the drive shaft and the bearing portion, is an elastic bearing portion as a heat generation suppression portion suppressing excessive heat generation due to line contact of an end edge portion of the bearing portion with the drive shaft during rotation of the drive shaft.