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. 10, 2005
Filed:
Feb. 12, 2002
Toshiyuki Ebara, Osaka, JP;
Hiroshi Mukaiyama, Osaka, JP;
Osamu Kuwabara, Osaka, JP;
Toshikazu Ishihara, Osaka, JP;
Toshiyuki Ebara, Osaka, JP;
Hiroshi Mukaiyama, Osaka, JP;
Osamu Kuwabara, Osaka, JP;
Toshikazu Ishihara, Osaka, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
The present invention concerns an on-vehicle air-conditioner, resolving problems of the prior art, and allowing to perform cooling, heating, dehumidification or others efficiently even for vehicles of low waste heat, such as hybrid cars taking electricity and gasoline as energy source, idle stop coping cars or battery cars taking only electricity as energy source, or other vehicles, by cooling by loading a refrigeration circuit, using for example COrefrigerant, and provided with an electrically driven two-stage compression system compressor, and at the same time, installing a refrigerant heat exchanger for cooling the refrigerant, compressed in the first stage in a way to exchange heat with the car interior air, and using conveniently also for heating together with the heat of the cooling water for cooling the engine.