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. 08, 1996
Filed:
May. 24, 1995
Applicant:
Inventors:
Masahiko Makino, Yawata, JP;
Michio Yamamura, Kusatsu, JP;
Masafumi Fukushima, Kusatsu, JP;
Kunio Iwanami, Moriyama, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ;
U.S. Cl.
CPC ...
418 552 ; 418 554 ; 418142 ; 418150 ;
Abstract
A scroll compressor includes a stationary scroll and an orbiting scroll having respective wrap elements in engagement with each other. Each of the stationary and orbiting wrap elements has a tip seal groove defined therein and having opposing internal and external walls that are formed so as to represent two involute curves having different phases, respectively.