Title:
内燃機関の排気浄化装置
Document Type and Number:
Japanese Patent JP4586911
Kind Code:
B2
Abstract:
A small oxidation catalyst and a fuel supply valve are arranged in an engine exhaust passage. The small oxidation catalyst has a cross-sectional area smaller than a cross-sectional area of the engine exhaust passage, and portion of exhaust gas flowing in the engine exhaust passage flows through the small oxidation catalyst. The fuel supply valve supplies fuel to the small oxidation catalyst. Fuel is intermittently supplied from the fuel supply valve to the small oxidation catalyst to intermittently generate flames downstream of the small oxidation catalyst.
Inventors:
Kenichi Tsujimoto
Mikio Inoue
Mikio Inoue
Application Number:
JP2008215283A
Publication Date:
November 24, 2010
Filing Date:
August 25, 2008
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F01N3/02; B01D53/86; B01D53/94; F01N3/20; F01N3/36
Domestic Patent References:
| JP2009092015A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Yoryo Mihashi
Koichi Ito
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Yoryo Mihashi
Koichi Ito