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:
Jun. 30, 1992
Filed:
May. 10, 1990
Applicant:
Inventors:
Kazutaka Suefuji, Shimizu, JP;
Tetsuya Arata, Sakai, JP;
Yoshiro Ibaraki, Tsukuba, JP;
Masao Shiibayashi, Shimizu, JP;
Jyoji Okamoto, Shizuoka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418 552 ; 418 553 ; 418179 ;
Abstract
A scroll compressor having an orbiting scroll member, a stationary scroll member and an Oldham's ring. The stationary scroll member is made of a material having a higher rigidity than the material forming the orbiting scroll member, and a higher density as well as a lower thermal conductivity than any of the materials forming the orbiting scroll member and the Oldham's ring.