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:
Jan. 13, 1987
Filed:
Jul. 30, 1985
Applicant:
Inventors:
Susumu Kawaguchi, Shizuoka, JP;
Takuho Hirahara, Shizuoka, JP;
Kazuhiro Nakane, Shizuoka, JP;
Sei Ueda, Shimizu, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ;
U.S. Cl.
CPC ...
418 54 ; 418 63 ;
Abstract
An eccentric part of a crank shaft rotated in a cylinder is made large in diameter and a thin-walled rolling piston is fitted to the outer circumference of the eccentric part so that an injection opening for supplying a refrigerant into the cylinder, the opening being formed in a bearing plate, is covered by only a side surface of the rolling piston or both the side surfaces of the rolling piston and the eccentric part.