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:
Jun. 18, 2013
Filed:
Oct. 27, 2008
Takahiko Fujiwara, Susono, JP;
Noriyasu Kobashi, Sunto-gun, JP;
Yusuke Nakayama, Gotemba, JP;
Mamoru Yoshioka, Susono, JP;
Tsuyoshi Ito, Susono, JP;
Takahiko Fujiwara, Susono, JP;
Noriyasu Kobashi, Sunto-gun, JP;
Yusuke Nakayama, Gotemba, JP;
Mamoru Yoshioka, Susono, JP;
Tsuyoshi Ito, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An exhaust passage of an internal combustion engine is provided with an upstream side three-way catalyst capable of purifying exhaust gas and a particulate filter (PM filter) for trapping particulate matter PM contained in exhaust gas. Catalyst warm-up control is exercised for the purpose of warming up mainly the upstream side three-way catalyst at cold start. Filter regeneration control for removing the particulate matter PM accumulating on the particulate filter from the filter is exercised at the cold start after the catalyst warm-up control is exercised.