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:
Sep. 17, 1991
Filed:
Apr. 13, 1989
Applicant:
Inventor:
Toshinori Aihara, Kanagawa, JP;
Assignee:
Atsugi Motor Parts Company, Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418179 ;
Abstract
A vane-type rotary compressor employs a cam ring made of an aluminium type metal which is different from the metal to form a rotor and rotor vanes and has a linear expansion coefficient selected to be greater than that of the metal of the rotor and vanes so as to compensate temperature difference therebetween.