Pat
J-GLOBAL ID:200903077028889303
エンジンの制御装置
Inventor:
,
Applicant, Patent owner:
Agent (1):
後藤 政喜 (外1名)
Gazette classification:公開公報
Application number (International application number):1999168496
Publication number (International publication number):2000356155
Application date: Jun. 15, 1999
Publication date: Dec. 26, 2000
Summary:
【要約】【課題】 ディーゼルエンジンを対象として排気通路にHC変動型NOx還元触媒を備える場合に、減速になってもHC変動型NOx還元触媒が活性温度域にある場合に、HC変動型NOx還元触媒のNOx吸蔵量を減らす機会を確保する。【解決手段】 減速時かつHC変動型NOx還元触媒71が活性温度域にあるかどうかを判定手段72が判定し、この判定結果より減速時かつ前記触媒71が活性温度域にある場合に、HC濃度変動付与手段73が前記触媒71に流入する排気中のHC濃度に変動を与える。
Claim (excerpt):
HC変動型NOx還元触媒と、減速時かつ前記触媒が活性温度域にあるかどうかを判定する手段と、この判定結果より減速時かつ前記触媒が活性温度域にある場合に、前記触媒に流入する排気中のHC濃度に変動を与える手段とを備えることを特徴とするディーゼルエンジンの制御装置。
IPC (30):
F02D 41/12 385
, F02D 41/12 360
, F02D 41/12 380
, F02D 41/12
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, F01N 3/08
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, F02M 25/07
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, F02M 25/07 580
FI (45):
F02D 41/12 385
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, F02D 43/00 301 K
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, F02D 43/00 301 U
, F02D 43/00 301 W
, F02D 43/00 301 Z
, F02D 45/00 314 F
, F02D 45/00 314 R
, F02M 25/07 550 A
, F02M 25/07 550 C
, F02M 25/07 550 G
, F02M 25/07 550 R
, F02M 25/07 570 D
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, F02B 37/12 301 N
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Patent cited by the Patent:
Cited by examiner (1)
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内燃機関の排気浄化装置
Gazette classification:公開公報
Application number:特願平5-093281
Applicant:トヨタ自動車株式会社
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