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Patent Searching and Data


Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2014/196116
Kind Code:
A1
Abstract:
An internal combustion engine provided with a secondary air feed device which feeds air to an upstream side of an exhaust purification catalyst, a cylinder fuel injector which injects fuel to an inside of a combustion chamber, and an intake passage fuel injector which injects fuel to an engine intake passage. When the rate of rise of temperature of the upstream side end part of the exhaust purification catalyst exceeds a rate judgment value, the control device increases the ratio of the fuel injection amount of the intake passage fuel injector to the fuel injection amount of the cylinder fuel injector while feeding air to the engine exhaust passage by the secondary air feed device.

Inventors:
TAKAMA YASUYUKI (JP)
KONDO SHINYA (JP)
TSUKAMOTO RYOSUKE (JP)
Application Number:
PCT/JP2014/002106
Publication Date:
December 11, 2014
Filing Date:
April 14, 2014
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
International Classes:
F01N3/30; F01N3/20; F02D41/02; F02D41/06; F02D41/14; F02D41/30; F02M69/04; F01N3/32
Domestic Patent References:
WO2012089390A12012-07-05
Foreign References:
EP1531263A22005-05-18
US5537321A1996-07-16
JPH05195760A1993-08-03
JP2000120471A2000-04-25
JP2008095532A2008-04-24
JP2007168563A2007-07-05
Attorney, Agent or Firm:
AOKI, Atsushi et al. (Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, JP)
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