JP4483873B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
- Publication number
- JP4483873B2 JP4483873B2 JP2007031872A JP2007031872A JP4483873B2 JP 4483873 B2 JP4483873 B2 JP 4483873B2 JP 2007031872 A JP2007031872 A JP 2007031872A JP 2007031872 A JP2007031872 A JP 2007031872A JP 4483873 B2 JP4483873 B2 JP 4483873B2
- Authority
- JP
- Japan
- Prior art keywords
- intercooler
- exhaust
- exhaust gas
- passage
- combustion engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0418—Layout of the intake air cooling or coolant circuit the intake air cooler having a bypass or multiple flow paths within the heat exchanger to vary the effective heat transfer surface
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
-
- 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
- F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
-
- 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
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
- F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
-
- 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
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
-
- 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
- F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
-
- 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
- F02D2200/04—Engine intake system parameters
- F02D2200/0418—Air humidity
-
- 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
-
- 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
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
-
- 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
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Supercharger (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
まず、本発明の第1実施形態について説明する。
図1は、第1実施形態に係る内燃機関の制御装置100の概略構成を示すブロック図である。なお、図1において、実線の矢印は吸気及び排気の流れを示し、破線の矢印は制御信号・検出信号を示す。
次に、第1実施形態に係るバイパス制御方法について具体的に説明する。
=−log{a×[NO3 −]+b×[CH3COO−]
+c×[HCOO−]+d×[SO4 2−]} 式(1)
式(1)中のa〜dは、各イオンの影響度に相当し、例えば「a≒1」、「b≒0.037」、「c≒0.008」、「d≒1」となる。これより、排気凝縮水のpHは、[NO3 −]及び[SO4 2−]の影響を大きく受けると言える。ここで、[NO3 −]は内燃機関10の燃焼条件(負荷条件など)に影響を受けるものであり、[SO4 2−]は燃料性状に影響を受けるものである。
次に、本発明の第2実施形態について説明する。第2実施形態では、排気凝縮水のpHを推定する代わりに、排気凝縮水のpHをセンサによって検出する点で、前述した第1実施形態と異なる。具体的には、第2実施形態では、インタークーラ24が設けられた位置よりも上流側で、低圧ループEGR装置51によって排気ガスが還流される位置の下流側の吸気通路20上に設けられたセンサを用いて、排気凝縮水のpHを検出する。そして、検出されたpHに基づいて、排気凝縮水のpHがインタークーラ24を腐食させるようなpHであるか否かを判定して、第1実施形態で示したバイパス制御と同様のバイパス制御を実行する。
10 内燃機関(エンジン)
20 吸気通路
23 ターボチャージャ
24 インタークーラ
26 切り替えバルブ
27 バイパス通路
31、35 EGR通路
33、37 EGR弁
45 pHセンサ
50 高圧ループEGR装置
51 低圧ループEGR装置
100 内燃機関の制御装置
Claims (1)
- 内燃機関の制御装置であって、
ターボチャージャのタービン及び触媒より下流側の排気通路上の位置から、前記ターボチャージャのコンプレッサより上流側の吸気通路上の位置へ排気ガスを還流させる排気還流装置と、
前記排気還流装置によって排気ガスが還流される吸気通路上の位置よりも下流側の吸気通路に設けられたインタークーラと、
前記インタークーラをバイパスするバイパス通路と、
前記インタークーラが設けられた位置よりも上流側で、前記排気還流装置によって排気ガスが還流される位置の下流側の吸気通路上に設けられたセンサを用いて、前記排気還流装置から還流される排気ガスの凝縮水におけるpHを検出することで取得するpH取得手段と、
前記pH取得手段によって取得されたpHに基づいて、前記凝縮水が前記インタークーラを腐食させるようなpHであるか否かを判定する腐食判定手段と、
前記排気還流装置によって排気ガスが還流される状態において、前記腐食判定手段により前記凝縮水が前記インタークーラを腐食させるようなpHであると判定された場合に、前記インタークーラへの吸気の流れを遮断して、前記バイパス通路にのみ吸気が流れるように制御を行うバイパス制御手段と、を備えることを特徴とする内燃機関の制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007031872A JP4483873B2 (ja) | 2007-02-13 | 2007-02-13 | 内燃機関の制御装置 |
PCT/IB2008/000258 WO2008099248A1 (en) | 2007-02-13 | 2008-02-05 | Control apparatus for internal combustion engine and method for controlling the same |
EP08709770A EP2111504B1 (en) | 2007-02-13 | 2008-02-05 | Control apparatus for internal combustion engine and method for controlling the same |
US12/373,351 US8051659B2 (en) | 2007-02-13 | 2008-02-05 | Control apparatus for internal combustion engine and method for controlling the same |
DE602008003303T DE602008003303D1 (de) | 2007-02-13 | 2008-02-05 | Steuervorrichtung für verbrennungsmotor und verfahren zu seiner steuerung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007031872A JP4483873B2 (ja) | 2007-02-13 | 2007-02-13 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008196368A JP2008196368A (ja) | 2008-08-28 |
JP4483873B2 true JP4483873B2 (ja) | 2010-06-16 |
Family
ID=39469538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007031872A Expired - Fee Related JP4483873B2 (ja) | 2007-02-13 | 2007-02-13 | 内燃機関の制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8051659B2 (ja) |
EP (1) | EP2111504B1 (ja) |
JP (1) | JP4483873B2 (ja) |
DE (1) | DE602008003303D1 (ja) |
WO (1) | WO2008099248A1 (ja) |
Families Citing this family (34)
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JP4225322B2 (ja) * | 2006-01-27 | 2009-02-18 | トヨタ自動車株式会社 | 内燃機関の排気還流装置 |
WO2008145502A1 (de) * | 2007-05-29 | 2008-12-04 | Mahle International Gmbh | Frischgasventilanordnung in einer brennkraftmaschine |
JP5136309B2 (ja) * | 2008-09-10 | 2013-02-06 | いすゞ自動車株式会社 | エンジンシステム |
DE102008049625A1 (de) * | 2008-09-30 | 2010-04-08 | Mann + Hummel Gmbh | Vorrichtung und Verfahren zur Neutralisation von saurem Kondensat in einem Kraftfahrzeug |
JP5262992B2 (ja) * | 2009-05-22 | 2013-08-14 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US20110041483A1 (en) * | 2009-08-21 | 2011-02-24 | Caterpillar Inc. | Method of controlling fuel in an exhaust treatment system implementing temporary engine control |
US8056339B2 (en) * | 2010-01-08 | 2011-11-15 | Ford Global Technologies, Llc | Warming intake air using EGR cooler in dual-throttle boosted engine system |
JP5277351B2 (ja) * | 2010-06-22 | 2013-08-28 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP5682245B2 (ja) * | 2010-11-10 | 2015-03-11 | 株式会社Ihi | 低圧ループegr装置 |
KR101283144B1 (ko) | 2011-05-04 | 2013-07-05 | 기아자동차주식회사 | 배기가스 응축수 제어방법 및 이를 적용한 배기가스재순환시스템 |
JP2012255404A (ja) * | 2011-06-09 | 2012-12-27 | Toyota Motor Corp | 機関システム |
FR2986565B1 (fr) * | 2012-02-06 | 2014-01-24 | Renault Sa | Procede et systeme de diagnostic de l'admission d'air dans un moteur a combustion interne d'un vehicule automobile. |
EP2837808B1 (en) * | 2012-04-12 | 2019-01-23 | Toyota Jidosha Kabushiki Kaisha | Device for controlling flow rate of internal combustion engine |
JP5999324B2 (ja) * | 2012-06-22 | 2016-09-28 | 三菱自動車工業株式会社 | 内燃機関の吸気系構造 |
US9145823B2 (en) * | 2012-10-19 | 2015-09-29 | Ford Global Technologies, Llc | Method for purging condensate from a charge air cooler |
US8978602B2 (en) | 2012-12-12 | 2015-03-17 | Caterpillar Inc. | Six-stroke engine power density matching system and method |
US9181830B2 (en) | 2012-12-12 | 2015-11-10 | Caterpillar Inc. | After-treatment system and method for six-stroke combustion cycle |
US9151222B2 (en) | 2012-12-12 | 2015-10-06 | Caterpillar Inc. | Six-stroke combustion cycle engine and process |
US9133764B2 (en) | 2012-12-12 | 2015-09-15 | Caterpillar Inc. | Six-stroke engine system with blowdown exhaust recirculation |
US8978601B2 (en) | 2012-12-12 | 2015-03-17 | Caterpillar Inc. | Six-stroke engine system with blowdown exhaust system |
US9057324B2 (en) | 2012-12-12 | 2015-06-16 | Caterpillar Inc. | Six-stroke engine system with blowdown turbocharger |
US8978603B2 (en) | 2012-12-12 | 2015-03-17 | Caterpillar Inc. | Six-stroke internal combustion engine valve activation system and method for operating such engine |
US9695728B2 (en) * | 2013-06-28 | 2017-07-04 | Toyota Jidosha Kabushiki Kaisha | Condensed water treatment device for internal combustion engine |
US9255518B2 (en) * | 2013-10-24 | 2016-02-09 | Norfolk Southern Corporation | System and method for an aftercooler bypass |
JP6075271B2 (ja) * | 2013-11-12 | 2017-02-08 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6213322B2 (ja) | 2014-03-18 | 2017-10-18 | トヨタ自動車株式会社 | 内燃機関 |
DE102015203473B4 (de) | 2015-02-26 | 2020-03-26 | Ford Global Technologies, Llc | Reinigung eines Ladeluftkühlers in einem System mit Abgasrückführung |
ITUB20152487A1 (it) * | 2015-07-24 | 2017-01-24 | Magneti Marelli Spa | Metodo per controllare la portata massica di un circuito egr di ricircolo dei gas di scarico di bassa pressione di un motore a combustione interna sovralimentato |
US10794336B2 (en) * | 2016-04-14 | 2020-10-06 | Ford Global Technologies, Llc | Methods and systems for an exhaust gas recirculation cooler |
JP6648719B2 (ja) * | 2017-02-27 | 2020-02-14 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6734221B2 (ja) * | 2017-04-28 | 2020-08-05 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP7029348B2 (ja) * | 2018-05-11 | 2022-03-03 | 株式会社Soken | エンジン制御システム |
JP7052707B2 (ja) * | 2018-12-18 | 2022-04-12 | トヨタ自動車株式会社 | 内燃機関の制御システム |
CN110748442A (zh) * | 2019-09-27 | 2020-02-04 | 同济大学 | 一种点燃式发动机无节气门进气系统及动力控制方法 |
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FR2876416B1 (fr) | 2004-10-11 | 2007-01-26 | Renault Sas | Moteur a combustion interne suralimente dote d'un circuit de recirculation de gaz brules |
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-
2007
- 2007-02-13 JP JP2007031872A patent/JP4483873B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-05 WO PCT/IB2008/000258 patent/WO2008099248A1/en active Application Filing
- 2008-02-05 EP EP08709770A patent/EP2111504B1/en not_active Expired - Fee Related
- 2008-02-05 DE DE602008003303T patent/DE602008003303D1/de active Active
- 2008-02-05 US US12/373,351 patent/US8051659B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20090308071A1 (en) | 2009-12-17 |
EP2111504B1 (en) | 2010-11-03 |
US8051659B2 (en) | 2011-11-08 |
JP2008196368A (ja) | 2008-08-28 |
DE602008003303D1 (de) | 2010-12-16 |
EP2111504A1 (en) | 2009-10-28 |
WO2008099248A1 (en) | 2008-08-21 |
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