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:
May. 04, 1999
Filed:
Mar. 18, 1997
Applicant:
Inventors:
Assignee:
Zexel Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418133 ; 418259 ;
Abstract
A vane compressor includes a rotor. The rotor is rotatably received in a cam ring. A first side member is secured to one end face of the cam ring. A second side member is secured to another end face of the cam ring. A high-pressure chamber is formed within the first side member. The cam ring has at least one high-pressure space formed therein which opens in the one end face of the cam ring in a manner such that the at least one high-pressure space directly communicates with the high-pressure chamber.