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:
Dec. 09, 2003
Filed:
Jul. 24, 2002
Ikuo Ozawa, Kariya, JP;
Kazuaki Kafuku, Kariya, JP;
Harumi Okai, Kariya, JP;
Noriaki Maeda, Kariya, JP;
Toshiki Sugiyama, Kariya, JP;
Norihisa Sasano, Kariya, JP;
Denso Corporation, Kariya, JP;
Abstract
When a load given to the engine is less than a predetermined value, the outside air suction port is closed and only inside air is supplied to the engine , and the valve is opened so as to supply warm water to the heater . When the load given to the engine is not less than the predetermined value and the temperature of air outside the engine compartment is lower than a predetermined value, the inside air suction port is closed and only outside air is supplied to the engine , and the valve is closed so that the supply of warm water to the heater is stopped.