Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
Exhaust purification system of internal combustion engine
The exhaust purification system of an internal combustion engine 1 comprises: a catalyst 28 arranged in an exhaust passage 27 of the internal combustion engine, a fuel feed device 3, 35 feeding fuel to the catalyst, and a control device 80 configured to control the feed of fuel by the fuel feed device. The control device is configured to feed liquid state fuel from the fuel feed device to the catalyst when judging that a ratio of high viscosity components in particulate matter deposited on the catalyst is a predetermined value or less.
Toyota Jidosha Kabushiki Kaisha
Y F F F F F Y F F
Y02T F01N F01N F01N F01N F01N Y02T F01N F01N
additional inventional additional inventional additional additional additional inventional additional
Toshihiro Ryohei
Mori Yamamoto