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:
Nov. 19, 2019
Filed:
Jan. 20, 2016
Isuzu Motors Limited, Tokyo, JP;
ISUZU MOTORS LIMITED, Tokyo, JP;
Abstract
There is provided: a NOx-occlusion-reduction-type catalystthat is provided in an exhaust passageof an internal combustion engine; a NOx purge control unitthat performs a NOx purge control of setting the exhaust in the rich state and reducing and purifying NOx occluded in the NOx-occlusion-reduction-type catalyst; and a NOx purge inhibition processing unitthat inhibits NOx purge control when the internal combustion enginebecomes a motoring state in which fuel injection is stopped, and inhibiting, when the internal combustion enginehas started fuel injection during the inhibition of the NOx purge control, performance of the NOx purge control from the start of the fuel injection until a predetermined period of time has elapsed.