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. 03, 1991
Filed:
Mar. 22, 1989
Applicant:
Inventor:
Tsuneshige Kawade, Kanagawa, JP;
Assignee:
Atsugi Motor Parts Company, Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ; F16C / ;
U.S. Cl.
CPC ...
418179 ; 384557 ;
Abstract
A vane-type rotary compressor is provided with front and rear side plates for closing both axial ends of a cam ring, are provided boss sections for receiving bearing for rotatably supporting rotor shaft, and a flange sections radially extending from the associated boss sections. The boss section and the flange section are made of different material and formed into integral form by insert casting. Namely, the boss section is made of a material having a linear expansion coefficient substantially equal to the linear expansion coefficient of a bearing. Furthermore, the boss section is formed with one or more radially extending projections.