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. 22, 2013
Filed:
Oct. 29, 2008
Satoshi Hiranuma, Kawasaki, JP;
Minehiro Murata, Kawasaki, JP;
Yoshinaka Takeda, Kawasaki, JP;
Hiroaki Fujita, Kawasaki, JP;
Yusuke Horii, Kawasaki, JP;
Satoshi Hiranuma, Kawasaki, JP;
Minehiro Murata, Kawasaki, JP;
Yoshinaka Takeda, Kawasaki, JP;
Hiroaki Fujita, Kawasaki, JP;
Yusuke Horii, Kawasaki, JP;
Abstract
An ammonia selective reduction-type NOx catalyst () is interposed in an exhaust passage of an engine () provided in a series-type hybrid electric vehicle (), and a urea water injector () is disposed in the exhaust passage to supply a urea water into exhaust gas existing upstream of the ammonia selective reduction-type NOx catalyst (). The engine () is started and stopped in accordance with the storage state of a battery (), and the urea water injector () is controlled in accordance with the operating state of the engine (). When the engine () is to be stopped, an adsorption increasing operation for increasing the amount of ammonia adsorbed by the ammonia selective reduction-type NOx catalyst () is executed over a predetermined period before the engine () is stopped.