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:
Feb. 27, 1996
Filed:
Mar. 23, 1994
Applicant:
Inventors:
Assignee:
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F04C / ;
U.S. Cl.
CPC ...
418 551 ; 418 552 ; 418 554 ; 418270 ; 418 556 ;
Abstract
A scroll type compressor includes a check valve (42) having a valve element (63) disposed in a valve chamber (36, 60) and moveable in the vertical direction. A back pressure port (60a) having one end opening at a retainer surface (62a) and the other end communicating with a high-pressure side chamber (3, 43) is disposed in a retainer having the retainer surface thereon which is engaged by the valve element (63) when the check valve is in the open position.