JP2008519193A - 自動車の微粒子フィルタに存在する微粒子の量を推定する装置 - Google Patents
自動車の微粒子フィルタに存在する微粒子の量を推定する装置 Download PDFInfo
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- JP2008519193A JP2008519193A JP2007538479A JP2007538479A JP2008519193A JP 2008519193 A JP2008519193 A JP 2008519193A JP 2007538479 A JP2007538479 A JP 2007538479A JP 2007538479 A JP2007538479 A JP 2007538479A JP 2008519193 A JP2008519193 A JP 2008519193A
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- particulate filter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1445—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being related to the exhaust flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0812—Particle filter loading
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
好ましい実施の形態において、上記推定器は上記最大値と上記終了時間後に上記微粒子フィルタに溜まった微粒子の量とを合計することによって上記微粒子フィルタに存在する微粒子の量を推定する。
−図1は本発明装置の実施の形態の1つを示す概略図、
−図2は本発明の微粒子フィルタの両端の差圧の低下を示す図、
−図3は本発明の作用を示す図である。
Claims (9)
- 定期的に燃焼により再生する自動車の微粒子フィルタ(22)に存在する微粒子の量を推定するシステムであって、上記微粒子フィルタ(22)の両端の差圧(Pdiff)を測定する差圧センサ(29)と、上記微粒子フィルタ(22)の上流のガスの体積流量(Qvol)を推定または測定する手段(30)と、電子制御ユニット(24)とを有し、上記電子制御ユニット(24)は、
−上記微粒子フィルタ(22)の両端の差圧(Pdiff)および上記微粒子フィルタ(22)の上流のガスの体積流量(Qvol)と上記微粒子フィルタ(22)に存在する上記微粒子の量との関係を示す格納マッピング(33)と;
−上記圧力センサ(29)によって提供された上記微粒子フィルタ(22)の両端の差圧(Pdiff)の値から、上記微粒子フィルタ(22)の両端の差圧の低下であって、あらかじめ定めた時間間隔よりも短い時間間隔においてあらかじめ定めた圧力低下よりも大きい差圧の低下を検出する検出手段(34)と;
−上記検出手段(34)が上記微粒子フィルタ(22)の両端の差圧(Pdiff)の低下であって、上記あらかじめ定めた時間間隔よりも短い時間間隔において上記あらかじめ定めた圧力低下よりも大きい差圧の低下を検出したとき、上記格納マッピングおよび上記圧力センサ(29)によって提供された上記微粒子フィルタ(22)の両端の差圧(Pdiff)の値から、上記微粒子フィルタ(22)に存在する上記微粒子の量を推定する推定器(32)と
を有することを特徴とするシステム。 - 上記検出手段(34)は上記微粒子フィルタ(22)の両端の差圧(Pdiff)の低下の開始時間(td)と、上記微粒子フィルタ(22)の両端の差圧(Pdiff)の低下の終了時間(tf)とを検出することを特徴とする請求項1に記載のシステム。
- 上記推定器(32)は上記格納マッピング(33)および上記開始時間(td)前に上記微粒子フィルタ(22)に存在する微粒子の推定量の最大値(MA)から上記微粒子フィルタ(22)に存在する上記微粒子の量を推定することを特徴とする請求項2に記載のシステム。
- 上記推定器(32)は上記最大値(MA)と上記終了時間(tf)後に上記微粒子フィルタ(22)に溜まった上記微粒子の量とを合計することによって上記微粒子フィルタ(22)に存在する上記微粒子の量を推定することを特徴とする請求項3に記載のシステム。
- 上記推定器(32)は上記格納マッピング(33)から上記終了時間(tf)後に上記微粒子フィルタ(22)に溜まった上記微粒子の量を推定することを特徴とする請求項4に記載のシステム。
- 上記あらかじめ定めた圧力低下は50〜500mbarであり、上記あらかじめ定めた時間間隔は10〜100sであることを特徴とする請求項1乃至5のいずれかに記載のシステム。
- 定期的に燃焼により再生する自動車の微粒子フィルタ(22)に存在する微粒子の量を推定する方法であって、
−上記微粒子フィルタ(22)の両端の差圧(Pdiff)および上記微粒子フィルタ(22)の上流のガスの体積流量(Qvol)と上記微粒子フィルタ(22)に存在する微粒子の量との関係を示す格納マッピング(33)を使用し;
−上記微粒子フィルタ(22)の両端の差圧(Pdiff)の値から、上記微粒子フィルタ(22)の両端の差圧(Pdiff)の低下であって、あらかじめ定めた時間間隔よりも短い時間間隔においてあらかじめ定めた圧力低下よりも大きい差圧の低下を検出し;そして
−上記微粒子フィルタ(22)の両端の差圧(Pdiff)の低下であって、あらかじめ定めた時間間隔よりも短い時間間隔においてあらかじめ定めた圧力低下よりも大きい差圧の低下が検出されたとき、上記格納マッピング(33)および上記微粒子フィルタ(22)の両端の差圧(Pdiff)の値から、上記微粒子フィルタ(22)に存在する上記微粒子の量を推定する
ことを特徴とする方法。 - 上記微粒子フィルタの両端の差圧(Pdiff)の低下の開始時間(td)と終了時間(tf)とを検出することを特徴とする請求項7に記載の方法。
- 上記格納マッピングおよび上記開始時間(td)前に上記微粒子フィルタ(22)に存在する上記微粒子の推定量の最大値(MA)から上記微粒子フィルタ(22)に存在する上記微粒子の量を推定することを特徴とする請求項8に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0411649 | 2004-11-02 | ||
FR0411649A FR2877393B1 (fr) | 2004-11-02 | 2004-11-02 | Dispositif d'estimation d'une quantite de particules presentes dans un filtre a particules de vehicule automobile |
PCT/FR2005/050881 WO2006048567A1 (fr) | 2004-11-02 | 2005-10-21 | Dispositif d'estimation d'une quantite de particules presentes dans un filtre a particules de vehicule automobile |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008519193A true JP2008519193A (ja) | 2008-06-05 |
JP2008519193A5 JP2008519193A5 (ja) | 2011-04-07 |
JP4744529B2 JP4744529B2 (ja) | 2011-08-10 |
Family
ID=34950932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007538479A Expired - Fee Related JP4744529B2 (ja) | 2004-11-02 | 2005-10-21 | 自動車の微粒子フィルタに存在する微粒子の量を推定する装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1809877A1 (ja) |
JP (1) | JP4744529B2 (ja) |
FR (1) | FR2877393B1 (ja) |
WO (1) | WO2006048567A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2918708A1 (fr) | 2007-07-09 | 2009-01-16 | Renault Sas | Evaluation du chargement d'un filtre a particules. |
FR3001998A1 (fr) * | 2013-02-11 | 2014-08-15 | Peugeot Citroen Automobiles Sa | Procede d'estimation de la masse de suies dans un filtre a particules |
IT201800002311A1 (it) * | 2018-02-01 | 2019-08-01 | Magneti Marelli Spa | Metodo per determinare la quantita' di polveri metalliche accumulate in un filtro antiparticolato per un motore a combustione interna |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0518229A (ja) * | 1991-07-16 | 1993-01-26 | Nissan Motor Co Ltd | デイーゼル機関の排気清浄化装置 |
JP2004019529A (ja) * | 2002-06-14 | 2004-01-22 | Denso Corp | 内燃機関の排気ガス浄化装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0726933A (ja) * | 1993-07-09 | 1995-01-27 | Nippondenso Co Ltd | 内燃機関の排気浄化装置 |
FR2781251B1 (fr) | 1998-07-20 | 2000-09-08 | Renault | Procede et dispositif de determination du chargement en suies d'un filtre a particules |
FR2828236B1 (fr) | 2001-08-01 | 2003-09-26 | Renault | Procede de determination du chargement d'un filtre a particules |
FR2836956B1 (fr) * | 2002-03-08 | 2004-09-17 | Renault | Procede de regeneration de filtre a particules pour vehicule automobile |
DE10222762A1 (de) * | 2002-05-23 | 2003-12-04 | Volkswagen Ag | Verfahren zum Betreiben eines Dieselmotors |
-
2004
- 2004-11-02 FR FR0411649A patent/FR2877393B1/fr not_active Expired - Fee Related
-
2005
- 2005-10-21 WO PCT/FR2005/050881 patent/WO2006048567A1/fr active Application Filing
- 2005-10-21 JP JP2007538479A patent/JP4744529B2/ja not_active Expired - Fee Related
- 2005-10-21 EP EP05815721A patent/EP1809877A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0518229A (ja) * | 1991-07-16 | 1993-01-26 | Nissan Motor Co Ltd | デイーゼル機関の排気清浄化装置 |
JP2004019529A (ja) * | 2002-06-14 | 2004-01-22 | Denso Corp | 内燃機関の排気ガス浄化装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2877393B1 (fr) | 2006-12-22 |
FR2877393A1 (fr) | 2006-05-05 |
WO2006048567A1 (fr) | 2006-05-11 |
JP4744529B2 (ja) | 2011-08-10 |
EP1809877A1 (fr) | 2007-07-25 |
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