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:
Apr. 21, 1981
Filed:
Jul. 09, 1979
Applicant:
Inventors:
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ; F25B / ;
U.S. Cl.
CPC ...
623246 ; 62505 ;
Abstract
An airconditioner consists of heat pump type freezing cycle equipment comprising a rotary compressor having a guide port open to the interior of its cylinder; a refrigerant flow-changing valve; an indoor heat exchanger; a first decompressing device; a gas-liquid separator; a second decompressing device; an outdoor heat exchanger, all communicating with each other in the order mentioned. And an injection passage in the guide port communicates with the gas-liquid separator so that a gas refrigerant is injected from the gas-liquid separator into the cylinder through the guide port.