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:
Apr. 20, 2010
Filed:
Jun. 22, 2004
Applicants:
Yoshiyuki Futagami, Shiga, JP;
Noboru Iida, Shiga, JP;
Akira Hiwata, Kyoto, JP;
Hidenobu Shintaku, Shiga, JP;
Inventors:
Yoshiyuki Futagami, Shiga, JP;
Noboru Iida, Shiga, JP;
Akira Hiwata, Kyoto, JP;
Hidenobu Shintaku, Shiga, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 21/00 (2006.01); F03C 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A scroll compressor in which a scroll fixed lap rising from a fixed plate of a fixed scroll and a scroll orbiting lap rising from an orbiting plate of an orbiting scroll are combined with each other to form compression chambers therebetween, the fixed scroll is made of iron-based material, the orbiting scroll is made of aluminum-based material, at least the plate back surface of the orbiting scroll is subjected to surface processing.