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, 1985
Filed:
May. 16, 1983
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ; F04C / ;
U.S. Cl.
CPC ...
418101 ; 418178 ; 418179 ; 418270 ;
Abstract
A rotary compressor comprises a rotor, a cylinder having an inner surface slidably contacting the rotor at one or more portions thereof, side plates disposed on both sides of the cylinder for supporting a rotor driving shaft, and axial insert type discharge valves disposed inside the cylinder. The cylinder includes an inner cylinder having an inner surface slidably contacting the rotor, and an outer cylinder surrounding the whole of the outer periphery of the inner cylinder.