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. 02, 1990
Filed:
Jul. 05, 1988
Applicant:
Inventors:
Hisao Kobayashi, Kariya, JP;
Katsunori Kawai, Kariya, JP;
Masayuki Tanikawa, Kariya, JP;
Hiroyuki Deguchi, Kariya, JP;
Assignee:
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62204 ; 62227 ; 417222 ;
Abstract
A closed refrigerating circuit for car air conditioning includes a compressor, a condenser, a refrigerant receiver, an expansion valve, and an evaporator. The expansion valve is provided with a constant pressure controlling mechanism for maintaining a pressure in the evaporator at a constant value. The compressor is provided with a continuously variable displacement mechanism for maintaining a superheating temperature of suction refrigerant at a constant value.