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:
Feb. 19, 1991
Filed:
Apr. 28, 1989
Applicant:
Inventors:
Isamu Eto, Fukuoka, JP;
Mitsuhiro Nishida, Fukuoka, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ;
U.S. Cl.
CPC ...
418 553 ; 418 556 ; 418188 ;
Abstract
A scroll fluid machine comprising an upper and a lower scrolls provided in and upper and a lower positions, respectively, in a casing and supported eccentrically to each other; a coupling whose central member is provided under the lower scroll and whose peripheral member is provided at the upper scroll and conjoined to the central member; and a shallow oil storage recess provided at the bottom of the inside of the casing near the central member and facing the central member.