WO2014115622A1 - 内燃機関の排気浄化装置 - Google Patents
内燃機関の排気浄化装置 Download PDFInfo
- Publication number
- WO2014115622A1 WO2014115622A1 PCT/JP2014/050566 JP2014050566W WO2014115622A1 WO 2014115622 A1 WO2014115622 A1 WO 2014115622A1 JP 2014050566 W JP2014050566 W JP 2014050566W WO 2014115622 A1 WO2014115622 A1 WO 2014115622A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- exhaust
- temperature
- exhaust gas
- regeneration
- Prior art date
Links
Images
Classifications
-
- 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
- F01N3/025—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 fuel burner or by adding fuel to exhaust
- F01N3/0253—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 fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- 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
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
-
- 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
- F01N3/027—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 electric or magnetic heating means
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
-
- 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
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
- F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1606—Particle filter loading or soot amount
-
- 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)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
12 排気通路
13 排気管内噴射装置
14 排気後処理装置
15 酸化触媒
16 DPF(フィルタ)
19 排気温度センサ
20 ECU
21 静電容量演算部
22 PM堆積量推定部
23 再生制御部
24 閾値補正部
Claims (5)
- 内燃機関の排気通路に設けられて、排気中の粒子状物質を捕集するフィルタと、
前記フィルタよりも排気上流側の排気通路に設けられて、排気温度を検出する排気温度検出手段と、
前記フィルタの静電容量を検出する静電容量検出手段と、
検出される前記静電容量に基づいて、前記フィルタに捕集された粒子状物質の堆積量を推定する堆積量推定手段と、
前記フィルタに燃料を供給して、当該フィルタを粒子状物質の燃焼温度まで昇温する強制再生を実行可能なフィルタ再生手段と、を備え、
前記フィルタ再生手段は、
粒子状物質の上限堆積量よりも小さい堆積量閾値と、燃料供給量を抑制しても前記堆積量閾値まで堆積した粒子状物質を燃焼除去し得る所定の高排気温度に相当する温度閾値とに基づき、推定される前記堆積量が前記堆積量閾値に達した状態で、検出される前記排気温度が前記温度閾値に達すると強制再生を実行する
ことを特徴とする内燃機関の排気浄化装置。 - 前記フィルタ再生手段による強制再生が所定時間継続して実行されない場合に、前記温度閾値を低く補正する補正手段をさらに備える
請求項1に記載の内燃機関の排気浄化装置。 - 前記静電容量検出手段は、前記フィルタ内に少なくとも一個以上の隔壁を挟んで対向配置されて、コンデンサを形成する一対の電極を含む
請求項1又は2に記載の内燃機関の排気浄化装置。 - 前記フィルタよりも排気上流側及び下流側の前記排気通路を接続して、当該フィルタを迂回するバイパス通路と、
前記バイパス通路に設けられて、当該バイパス通路を流れる排気中の粒子状物質を捕集する第2のフィルタと、をさらに備え、
前記一対の電極は、前記第2のフィルタ内に少なくとも一個以上の隔壁を挟んで対向配置される
請求項3に記載の内燃機関の排気浄化装置。 - 前記第2のフィルタの強制再生を実行する際は、前記一対の電極をヒータとして機能させる
請求項4に記載の内燃機関の排気浄化装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/763,723 US9435238B2 (en) | 2013-01-28 | 2014-01-15 | Exhaust purification device for internal combustion engine |
CN201480010885.1A CN105026707B (zh) | 2013-01-28 | 2014-01-15 | 内燃机的排气净化装置 |
EP14743195.1A EP2949892B1 (en) | 2013-01-28 | 2014-01-15 | Exhaust purification device for internal combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-013390 | 2013-01-28 | ||
JP2013013390A JP6136298B2 (ja) | 2013-01-28 | 2013-01-28 | 内燃機関の排気浄化装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014115622A1 true WO2014115622A1 (ja) | 2014-07-31 |
Family
ID=51227414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/050566 WO2014115622A1 (ja) | 2013-01-28 | 2014-01-15 | 内燃機関の排気浄化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9435238B2 (ja) |
EP (1) | EP2949892B1 (ja) |
JP (1) | JP6136298B2 (ja) |
CN (1) | CN105026707B (ja) |
WO (1) | WO2014115622A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016037949A (ja) * | 2014-08-11 | 2016-03-22 | いすゞ自動車株式会社 | センサ |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10650621B1 (en) | 2016-09-13 | 2020-05-12 | Iocurrents, Inc. | Interfacing with a vehicular controller area network |
JP7263773B2 (ja) | 2018-12-29 | 2023-04-25 | いすゞ自動車株式会社 | 検出装置、検出方法及び、検出装置を備えた排気浄化装置 |
JP7207195B2 (ja) * | 2019-06-24 | 2023-01-18 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2021004555A (ja) * | 2019-06-25 | 2021-01-14 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP7310671B2 (ja) * | 2020-03-23 | 2023-07-19 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP7264111B2 (ja) * | 2020-05-19 | 2023-04-25 | トヨタ自動車株式会社 | 排気浄化装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0470687B2 (ja) | 1984-12-12 | 1992-11-11 | Hitachi Maxell | |
JP2002021537A (ja) * | 2000-07-03 | 2002-01-23 | Nissan Diesel Motor Co Ltd | ディーゼルエンジンの排気浄化装置 |
JP2007313443A (ja) * | 2006-05-26 | 2007-12-06 | Toyota Central Res & Dev Lab Inc | 排ガス浄化装置 |
WO2008117853A1 (ja) * | 2007-03-27 | 2008-10-02 | Ngk Insulators, Ltd. | 微粒子センサ |
JP2010285958A (ja) * | 2009-06-12 | 2010-12-24 | Isuzu Motors Ltd | Pmセンサ |
JP2011032969A (ja) * | 2009-08-04 | 2011-02-17 | Mitsubishi Motors Corp | エンジンの排気浄化装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4007085B2 (ja) * | 2002-06-13 | 2007-11-14 | 株式会社デンソー | 内燃機関の排ガス浄化装置 |
JP2004197657A (ja) * | 2002-12-18 | 2004-07-15 | Nissan Motor Co Ltd | パティキュレートフィルタの再生装置及びエンジンの排気ガス浄化装置 |
JP4070687B2 (ja) | 2003-08-11 | 2008-04-02 | 日産ディーゼル工業株式会社 | 排気浄化装置 |
JP5565005B2 (ja) * | 2010-03-10 | 2014-08-06 | いすゞ自動車株式会社 | Dpf故障検出方法及びdpf故障検出装置 |
JP5573391B2 (ja) * | 2010-06-11 | 2014-08-20 | いすゞ自動車株式会社 | 排気ガス浄化システム |
-
2013
- 2013-01-28 JP JP2013013390A patent/JP6136298B2/ja not_active Expired - Fee Related
-
2014
- 2014-01-15 US US14/763,723 patent/US9435238B2/en active Active
- 2014-01-15 EP EP14743195.1A patent/EP2949892B1/en active Active
- 2014-01-15 WO PCT/JP2014/050566 patent/WO2014115622A1/ja active Application Filing
- 2014-01-15 CN CN201480010885.1A patent/CN105026707B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0470687B2 (ja) | 1984-12-12 | 1992-11-11 | Hitachi Maxell | |
JP2002021537A (ja) * | 2000-07-03 | 2002-01-23 | Nissan Diesel Motor Co Ltd | ディーゼルエンジンの排気浄化装置 |
JP2007313443A (ja) * | 2006-05-26 | 2007-12-06 | Toyota Central Res & Dev Lab Inc | 排ガス浄化装置 |
WO2008117853A1 (ja) * | 2007-03-27 | 2008-10-02 | Ngk Insulators, Ltd. | 微粒子センサ |
JP2010285958A (ja) * | 2009-06-12 | 2010-12-24 | Isuzu Motors Ltd | Pmセンサ |
JP2011032969A (ja) * | 2009-08-04 | 2011-02-17 | Mitsubishi Motors Corp | エンジンの排気浄化装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2949892A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016037949A (ja) * | 2014-08-11 | 2016-03-22 | いすゞ自動車株式会社 | センサ |
Also Published As
Publication number | Publication date |
---|---|
CN105026707B (zh) | 2017-12-19 |
EP2949892A4 (en) | 2016-09-21 |
US20160040571A1 (en) | 2016-02-11 |
JP2014145278A (ja) | 2014-08-14 |
JP6136298B2 (ja) | 2017-05-31 |
US9435238B2 (en) | 2016-09-06 |
CN105026707A (zh) | 2015-11-04 |
EP2949892B1 (en) | 2017-09-20 |
EP2949892A1 (en) | 2015-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014115622A1 (ja) | 内燃機関の排気浄化装置 | |
JP6197377B2 (ja) | 排気浄化装置 | |
JP4506539B2 (ja) | 内燃機関の排気浄化装置 | |
JP6051948B2 (ja) | 内燃機関の排気浄化装置 | |
JP6136351B2 (ja) | 内燃機関の排気浄化装置 | |
WO2015053323A1 (ja) | 排気浄化システム | |
JP6032053B2 (ja) | 排気系の状態検出装置及び制御装置 | |
JP2015059476A (ja) | 内燃機関の排気浄化装置 | |
EP3056699B1 (en) | Exhaust purification system | |
JP6206065B2 (ja) | 排気浄化システム | |
WO2014115621A1 (ja) | 内燃機関の排気浄化装置 | |
JP6123343B2 (ja) | 内燃機関の排気浄化装置 | |
JP2015059477A (ja) | 内燃機関の排気浄化装置 | |
JP4645851B2 (ja) | 内燃機関の排気浄化装置 | |
JP2015059478A (ja) | 内燃機関の排気浄化装置 | |
JP2004052568A (ja) | 内燃機関の排気浄化装置 | |
JP2010270617A (ja) | 排気ガス浄化システム及びその制御方法 | |
JP2015068815A (ja) | 検出装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201480010885.1 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14743195 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2014743195 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014743195 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14763723 Country of ref document: US |