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:
Feb. 12, 2019
Filed:
Mar. 02, 2016
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Takayoshi Tanaka, Susono, JP;
Yoshihisa Shinoda, Susono, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;
Abstract
In an exhaust gas control system for an internal combustion engine operable at a lean air-fuel ratio, after a request to stop the internal combustion engine has been issued, the internal combustion engine is operated at a stoichiometric air-fuel ratio or lower until an air-fuel ratio in an SCR catalyst becomes lower than or equal to the stoichiometric air-fuel ratio, and then supply of fuel to the internal combustion engine is stopped.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile