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:
Mar. 19, 2024
Filed:
Mar. 30, 2021
Applicant:
Fujitsu General Limited, Kanagawa, JP;
Inventor:
Shuhei Hoshino, Kanagawa, JP;
Assignee:
FUJITSU GENERAL LIMITED, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 29/02 (2006.01); F04C 18/356 (2006.01); F04C 23/00 (2006.01);
U.S. Cl.
CPC ...
F04C 29/02 (2013.01); F04C 18/3564 (2013.01); F04C 23/001 (2013.01);
Abstract
Provided is a rotary compressor excellent in energy saving performance and reliability by improving sliding performance of a sliding portion and ensuring sealability in a working chamber. An oil groove is formed at a position facing a vane end face on an end plate. The oil groove communicates with an inside of a sealed container, and is exposed in a gap between a leading end surface of a vane and an outer peripheral surface of an annular piston formed when the leading end surface of the vane is in abutment on the outer peripheral surface of the annular piston.