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:
Oct. 14, 1986
Filed:
Mar. 30, 1984
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A vane type rotary compressor comprising a housing having a cylindrical inner wall surface, a rotatable sleeve disposed in the housing for rotation about its own longitudinal axis, a rotor disposed in the sleeve for rotation about its own longitudinal axis, which is offset from the longitudinal axis of the sleeve, and a plurality of vanes carried by the rotor to extend in radial directions and maintained in contact with the inner surface of the sleeve to divide the interior of the sleeve into a plurality of working chambers. The rotatable sleeve is made of an Si-Al type alloy containing 12 to 25% by weight of Si. The sleeve is age hardened and provided with an anodic oxidation coating. A further coating of wear resistant resin may be provided on the outer surface of the sleeve.