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:
Mar. 07, 2000
Filed:
Apr. 02, 1997
Koichi Ito, Kariya, JP;
Yoshihiko Okumura, Kariya, JP;
Yoshimitsu Inoue, Chiryu, JP;
Kazutaka Suzuki, Kariya, JP;
Yasutoshi Yamanaka, Kariya, JP;
Yuichi Shirota, Anjo, JP;
Hiroshi Nonoyama, Toyota, JP;
Manabu Miyata, Obu, JP;
Hikaru Sugi, Nagoya, JP;
Denso Corporation, Kariya, JP;
Abstract
When the engine is stopped while the engine is warmed up, the cooling water in the engine stays therein without flowing out of the engine, and the cooling water in the radiator or the bypass passage is used for heating source for the heating operation. In this way, it is possible to heat the passenger compartment continuously even after the engine is stopped and to suppress the temperature of the cooling water from lowering to reduce the emission at restarting of the engine.