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. 27, 2004
Filed:
Sep. 20, 2001
Applicant:
Inventors:
Satoshi Itoh, Kariya, JP;
Motohiro Yamaguchi, Hoi-gun, JP;
Yoshitaka Tomatsu, Chiryu, JP;
Toshio Hirata, Haguri-gun, JP;
Yasushi Yamanaka, Nakashima-gun, JP;
Keita Honda, Okazaki, JP;
Kunio Iritani, Anjo, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 1/300 ; B60H 1/00 ;
U.S. Cl.
CPC ...
F25B 1/300 ; B60H 1/00 ;
Abstract
In a vehicle air conditioner with a heat pump cycle having an interior heat exchanger and an exterior heat exchanger, when a frosting on a surface of the exterior heat exchanger is determined and when a temperature of hot water supplied to a heater core is equal to or higher than a predetermined temperature, the exterior heat exchanger is defrosted in a defrosting operation. Accordingly, the defrosting operation can be performed while a sufficient heating can be obtained.