JP4957847B2 - 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
- JP4957847B2 JP4957847B2 JP2010521757A JP2010521757A JP4957847B2 JP 4957847 B2 JP4957847 B2 JP 4957847B2 JP 2010521757 A JP2010521757 A JP 2010521757A JP 2010521757 A JP2010521757 A JP 2010521757A JP 4957847 B2 JP4957847 B2 JP 4957847B2
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- efficiency filter
- fluid
- filter
- 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
- 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
- F01N13/0093—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 the purifying devices are of the same type
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0212—Multiple cleaners
- F02M35/0216—Multiple cleaners arranged in series, e.g. pre- and main filter in series
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02441—Materials or structure of filter elements, e.g. foams
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/082—By-pass means
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/36—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements with bypass means
-
- 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
- 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
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
- F02M26/10—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system
-
- 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
- F02M26/13—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Description
2 通常のエアフィルター
3 高効率フィルター
3’ 高効率フィルター切替え通路
4 スロットル弁
5 DPF
6 EGRクーラー
7 EGR弁
8 高効率フィルター
9 燃料タンク
10 通常の燃料フィルター
Claims (4)
- 燃焼室内に供給される流体の、燃焼室への供給通路に、PM生成の核となる50ナノメータ以下の微粒子を除去する高効率フィルターを備え、
前記50ナノメータ以下の微粒子を除去することによって、内燃機関から排出されるPM粒子数を低減する、
内燃機関の排気浄化装置であって、
更に、前記高効率フィルターをバイパスするバイパス通路と、
前記高効率フィルターへの前記流体の流れと前記バイパス通路への前記流体の流れと前記高効率フィルターへ逆流する流体の流れとを切替え制御する弁手段と、を備え、
内燃機関の運転条件に応じて、排出されるPM粒子数を計算し、
計算されたPM粒子数が、一定値を超える場合には、前記流体が、前記高効率フィルターを通過するように制御し、
前記計算されたPM粒子数が、一定値以下である場合には、更に、PMを生成する運転条件かどうかを判定し、
PMを生成する場合には、前記流体が、前記バイパス通路を通過するように制御し、
PMを生成しない場合には、前記流体が、前記高効率フィルターを逆流するように制御して、前記高効率フィルターを洗浄する、
内燃機関の排気浄化装置。 - 燃焼室内に供給される流体の、燃焼室への供給通路に、PM生成の核となる50ナノメータ以下の微粒子を除去する高効率フィルターを備え、
前記50ナノメータ以下の微粒子を除去することによって、内燃機関から排出されるPM粒子数を低減する、
内燃機関の排気浄化装置であって、
更に、前記高効率フィルターをバイパスするバイパス通路と、
前記高効率フィルターへの前記流体の流れと前記バイパス通路への前記流体の流れと前記高効率フィルターへ逆流する流体の流れとを切替え制御する弁手段と、を備え、
内燃機関から排出されるPM粒子数が一定値を超えると推定される運転条件である場合には、前記流体が、前記高効率フィルターを通過するように制御し、
内燃機関から排出されるPM粒子数が一定値以下であると推定される運転条件である場合には、更に、PMを生成する運転条件かどうかを推定し、
PMを生成する場合には、前記流体が、前記バイパス通路を通過するように制御し、
PMを生成しない場合には、前記流体が、前記高効率フィルターを逆流するように制御して、前記高効率フィルターを洗浄する、
内燃機関の排気浄化装置。 - 前記PM粒子数が一定値を超えると推定される運転条件が、軽負荷運転条件である、請求項2に記載の内燃機関の排気浄化装置。
- 前記高効率フィルターを、空気吸入用エアフィルター又は燃料フィルター又はエンジンオイルフィルターの下流側に配置する、請求項1から3のいずれか1項に記載の内燃機関の排気浄化装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010521757A JP4957847B2 (ja) | 2008-07-25 | 2009-07-24 | 内燃機関の排気浄化装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008192625 | 2008-07-25 | ||
JP2008192625 | 2008-07-25 | ||
PCT/JP2009/063630 WO2010010973A1 (ja) | 2008-07-25 | 2009-07-24 | 内燃機関の排気浄化装置 |
JP2010521757A JP4957847B2 (ja) | 2008-07-25 | 2009-07-24 | 内燃機関の排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2010010973A1 JPWO2010010973A1 (ja) | 2012-01-05 |
JP4957847B2 true JP4957847B2 (ja) | 2012-06-20 |
Family
ID=41570426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010521757A Expired - Fee Related JP4957847B2 (ja) | 2008-07-25 | 2009-07-24 | 内燃機関の排気浄化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8539755B2 (ja) |
EP (1) | EP2317114A4 (ja) |
JP (1) | JP4957847B2 (ja) |
CN (1) | CN102105672B (ja) |
WO (1) | WO2010010973A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105664571A (zh) * | 2016-02-29 | 2016-06-15 | 邹城市北华机电设备有限公司 | 一种三层水过滤器*** |
CN115717561A (zh) * | 2018-09-28 | 2023-02-28 | 康明斯排放处理公司 | 用于动态控制过滤效率和燃料经济性的***和方法 |
CN113950576A (zh) * | 2019-03-29 | 2022-01-18 | 唐纳森公司 | 空气滤清器旁通组件和运行方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH071791A (ja) * | 1993-06-11 | 1995-01-06 | Minolta Co Ltd | プリンタ |
JPH07259654A (ja) * | 1994-03-22 | 1995-10-09 | Nissan Diesel Motor Co Ltd | ディーゼルエンジンの排気還流装置 |
JP2004204232A (ja) * | 2002-12-20 | 2004-07-22 | Chevron Oronite Co Llc | 内燃機関の粒子状排出物低減方法 |
JP2007211605A (ja) * | 2006-02-07 | 2007-08-23 | Nissan Motor Co Ltd | エンジンの吸気浄化装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2097283B (en) * | 1981-04-03 | 1985-04-03 | Ricardo Consulting Eng | Filter arrangements for the exhausts of ic engines |
JPH05126993A (ja) | 1991-11-05 | 1993-05-25 | Nuclear Fuel Ind Ltd | 核燃料取扱施設における排気装置 |
JP3249051B2 (ja) | 1996-09-11 | 2002-01-21 | 豊田紡織株式会社 | エレメントおよびそのエレメントを収容、保持するエアクリーナ |
US6123061A (en) | 1997-02-25 | 2000-09-26 | Cummins Engine Company, Inc. | Crankcase ventilation system |
US6280493B1 (en) * | 1999-03-19 | 2001-08-28 | Dreison International, Inc. | Air pre-cleaner |
DE10024254A1 (de) * | 2000-05-17 | 2001-12-06 | Bosch Gmbh Robert | Vorrichtung zur Abgasbehandlung |
JP2004301121A (ja) | 2003-03-20 | 2004-10-28 | Ambic Co Ltd | 内燃機関用不織布エアーフィルター |
EP1604717A1 (en) * | 2003-03-20 | 2005-12-14 | Ambic Co., Ltd. | Nonwoven fabric air filter for internal combustion engine |
US7419525B2 (en) * | 2004-10-01 | 2008-09-02 | Honeywell International Inc. | Filter and method of making |
-
2009
- 2009-07-24 EP EP09800483.1A patent/EP2317114A4/en not_active Withdrawn
- 2009-07-24 JP JP2010521757A patent/JP4957847B2/ja not_active Expired - Fee Related
- 2009-07-24 CN CN2009801291764A patent/CN102105672B/zh not_active Expired - Fee Related
- 2009-07-24 US US13/054,684 patent/US8539755B2/en not_active Expired - Fee Related
- 2009-07-24 WO PCT/JP2009/063630 patent/WO2010010973A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH071791A (ja) * | 1993-06-11 | 1995-01-06 | Minolta Co Ltd | プリンタ |
JPH07259654A (ja) * | 1994-03-22 | 1995-10-09 | Nissan Diesel Motor Co Ltd | ディーゼルエンジンの排気還流装置 |
JP2004204232A (ja) * | 2002-12-20 | 2004-07-22 | Chevron Oronite Co Llc | 内燃機関の粒子状排出物低減方法 |
JP2007211605A (ja) * | 2006-02-07 | 2007-08-23 | Nissan Motor Co Ltd | エンジンの吸気浄化装置 |
Also Published As
Publication number | Publication date |
---|---|
CN102105672B (zh) | 2013-08-14 |
EP2317114A4 (en) | 2015-10-07 |
WO2010010973A1 (ja) | 2010-01-28 |
JPWO2010010973A1 (ja) | 2012-01-05 |
EP2317114A1 (en) | 2011-05-04 |
US8539755B2 (en) | 2013-09-24 |
CN102105672A (zh) | 2011-06-22 |
US20110162354A1 (en) | 2011-07-07 |
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