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. 06, 2004
Filed:
Sep. 03, 2002
Hiroki Murata, Toyota, JP;
Toshio Suematsu, Toyota, JP;
Shizuo Sasaki, Toyota, JP;
Kohei Igarashi, late of Susono, JP;
Shinya Hirota, Toyota, JP;
Kazuhiro Itoh, Toyota, JP;
Takamitsu Asanuma, Toyota, JP;
Shunsuke Toshioka, Toyota, JP;
Koichi Kimura, Toyota, JP;
Akira Mikami, Toyota, JP;
Hiroyuki Nagareda, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An exhaust gas purification device of an engine comprising a particulate filter arranged in an exhaust passage. An electric motor able to impart a vehicle drive power separate from the engine and able to generate electric power from the engine is provided. After the particulate filter finishes being warmed up, when the temperature of the particulate filter is low, the output torque of the engine is increased and the amount of increase of the output torque is consumed by the power generating action of the electric motor.