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:
Sep. 17, 2013
Filed:
Dec. 26, 2008
Kenichi Tsujimoto, Susono, JP;
Mikio Inoue, Susono, JP;
Shinya Hirota, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
An internal combustion engine in an engine exhaust passage of which an exhaust purification catalyst () having an oxidation function is arranged and in the engine exhaust passage upstream of the exhaust purification catalyst () of which a small-sized oxidation catalyst () and a fuel feed valve () for feeding fuel to the small-sized oxidation catalyst () are arranged. When activating the exhaust purification catalyst (), the fuel fed from the fuel injector () is used to heat the small-sized oxidation catalyst () and when the exhaust purification catalyst () is further raised in temperature, the fuel fed from the fuel feed valve () is increased and reformed fuel is exhausted from the small-sized oxidation catalyst ().