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:
May. 07, 1991
Filed:
Aug. 24, 1989
Applicant:
Inventor:
Mitsuhiro Nishida, Fukuoka, JP;
Assignee:
Mitsubishi Denki K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ;
U.S. Cl.
CPC ...
418 551 ; 418151 ;
Abstract
A scroll type machine having a driving scroll to be driven by a driving source and a driven scroll to be rotated with a rotation center eccentric with respect to a rotation center of said driving scroll in synchronism with the driving scroll is characterized by having a balance weight attached to one of opposite peripheral portions of a circular disc portion of said driving scroll or said driven scroll and a dummy weight attached to the other peripheral portion of said circular portion.