JP4203422B2 - 過給ピストン・エンジン及びピストン・エンジン装置の窒素酸化物(NOx)排出を低減させる方法 - Google Patents
過給ピストン・エンジン及びピストン・エンジン装置の窒素酸化物(NOx)排出を低減させる方法 Download PDFInfo
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000002485 combustion reaction Methods 0.000 claims abstract description 91
- 239000000446 fuel Substances 0.000 claims abstract description 42
- 239000000839 emulsion Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
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- 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
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/042—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices combined with other devices, e.g. heaters ; for use other than engine air intake cleaning, e.g. air intake filters arranged in the fuel vapour recovery system
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- 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
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/02—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam
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- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
- F02M25/0225—Water atomisers or mixers, e.g. using ultrasonic waves
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- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0228—Adding fuel and water emulsion
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- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
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- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
- F02M25/028—Adding water into the charge intakes
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- 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
- F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
- F02B29/0468—Water separation or drainage means
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- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0227—Control aspects; Arrangement of sensors; Diagnostics; Actuators
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- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
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- 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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust Gas After Treatment (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
Claims (13)
- 過給ピストン・エンジン(1)で窒素酸化物(NOx)排出を低減する方法において、燃焼用空気の圧力が過給装置(2)によって周囲圧力のレベルより高いレベルまで増加され、水が燃料噴射と共に同じ噴射装置を用いて前記エンジンの燃焼スペース中にエマルジョンとして噴霧される方法において、さらに、前記燃焼用空気を前記エンジンの燃焼スペース内に導く前に、前記燃焼用空気に水を供給することによって燃焼用空気の含水量が増加され、必要な全体の水の量が、前記燃焼用空気に供給される水の量を調整することによって調節されることを特徴とする方法。
- 前記エンジンが動作している間に、エンジンの動作状態(1.1、1.2、3.1、3.2)と、使用されている燃料供給システムの容量の割合とを測定及び/又は決定することによって、供給されるべき必要な水の量と、その水を供給する位置との双方が連続して決定されることを特徴とする請求項1に記載の方法。
- 前記燃料の量が、前記エンジンの負荷(1.2)に従って調節され、
前記燃料と共に供給される前記水の量が、最大で、前記燃料供給システムの最大容量に合致する供給量と、供給される燃料の量の差になるように調節され、
前記燃焼用空気に供給されるべき水の量は、その水の量が、所定の窒素酸化物排出レベルと、前記燃料と共に供給された前記水の量によって引き起こされる窒素酸化物排出レベルとの差を等しくするような量に少なくとも対応するように調節されることを特徴とする請求項1又は2に記載の方法。 - 燃料−水−エマルジョン(7)の、燃料に対する水の量の比がほぼ一定に維持されることを特徴とする請求項1に記載の方法。
- 前記燃焼用空気に供給される前記水の量が、前記エンジンの負荷(1.2)に従って調整されることを特徴とする請求項4に記載の方法。
- 前記燃焼用空気に供給される前記水の量が、前記燃焼用空気の圧力(3.2)に従って調整されることを特徴とする請求項5に記載の方法。
- 前記燃料−水−エマルジョンが、前記燃料の量の10%から55%の水を含み、前記燃焼用空気と共に供給される前記水の量が、供給される燃料の0.5から5倍の量であることを特徴とする請求項4に記載の方法。
- 前記燃焼用空気の前記含水量が、前記燃焼用空気に液体の水を噴霧することによって増加されることを特徴とする請求項1から7までのいずれか一項に記載の方法。
- 前記燃焼用空気の前記含水量が、前記燃焼用空気に水蒸気を噴霧することによって増加されることを特徴とする請求項1から7までのいずれか一項に記載の方法。
- 前記燃焼用空気に供給される前記水の量が、空気の飽和に必要な理論上の前記水の量より多くなるように調節され、液体の水が空気を前記エンジンの燃焼スペースに導く前に前記燃焼用空気から分離されることを特徴とする請求項4に記載の方法。
- いくつかのシリンダと、燃焼用空気チャネル(3)を通して、前記各シリンダに流れ連結で配置されたターボ過給機(2)と、前記燃料−水−エマルジョン(7’)を供給するための装置と、前記燃料−水−エマルジョンを各シリンダに供給するための前記シリンダに連結するノズル(7)とを含むピストン・エンジン装置(1)であって、燃焼用空気流方向の前記ターボ過給機の後に、独立に開閉できる前記燃焼用空気に前記水を導くための前記燃焼用空気チャネル(3)内に配置される多数のノズルを備えるノズル装置を含むことを特徴とするピストン・エンジン装置。
- 前記燃焼用空気チャネル(3)内に、前記エンジン(1)のシリンダに至る前に前記燃焼用空気から液体の水を分離するための少なくとも1つの液滴分離機(6)が配置されることを特徴とする請求項11に記載のピストン・エンジン装置。
- 前記ノズル装置に連結された水予熱装置(1)を含み、前記液滴分離機(6)が前記水予熱装置(11)と流れ連結することを特徴とする請求項11に記載のピストン・エンジン装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20020537A FI116157B (fi) | 2002-03-20 | 2002-03-20 | Menetelmä ahdetun mäntämoottorin typpioksidipäästöjen (NOx) vähentämiseksi ja mäntämoottorijärjestely |
PCT/FI2003/000193 WO2003078819A1 (en) | 2002-03-20 | 2003-03-13 | METHOD OF REDUCING NITROGEN OXIDE (NOx) EMISSIONS IN SUPERCHARGED PISTON ENGINE AND PISTON ENGINE ARRANGEMENT |
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JP2005520965A JP2005520965A (ja) | 2005-07-14 |
JP4203422B2 true JP4203422B2 (ja) | 2009-01-07 |
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JP2003576796A Expired - Fee Related JP4203422B2 (ja) | 2002-03-20 | 2003-03-13 | 過給ピストン・エンジン及びピストン・エンジン装置の窒素酸化物(NOx)排出を低減させる方法 |
Country Status (11)
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US (1) | US7178486B2 (ja) |
EP (1) | EP1485604B1 (ja) |
JP (1) | JP4203422B2 (ja) |
KR (1) | KR100965321B1 (ja) |
CN (1) | CN100394013C (ja) |
AT (1) | ATE384867T1 (ja) |
AU (1) | AU2003209806A1 (ja) |
DE (1) | DE60318821T2 (ja) |
DK (1) | DK1485604T3 (ja) |
FI (1) | FI116157B (ja) |
WO (1) | WO2003078819A1 (ja) |
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US6196165B1 (en) * | 1998-11-12 | 2001-03-06 | Munters Euroform Gmbh | Device for supplying vapor to the intake air of an internal combustion engine |
JP2000161096A (ja) | 1998-11-25 | 2000-06-13 | Daihatsu Diesel Mfg Co Ltd | ディーゼル機関 |
DE19938292A1 (de) * | 1999-08-12 | 2001-02-15 | Munters Euroform Gmbh Carl | Vorrichtung zur Befeuchtung der Einlaßluft von Brennkraftmaschinen mit Turbolader |
FI112692B (fi) * | 2000-11-03 | 2003-12-31 | Waertsilae Finland Oy | Menetelmä ja järjestely ahdetun mäntämoottorin typpioksidipäästöjen (NOx) vähentämiseksi |
DE10211167A1 (de) * | 2001-03-20 | 2002-09-26 | Munters Euroform Gmbh Carl | Vorrichtung zur Befeuchtung der Einlassluft einer einen Turbolader aufweisenden Brennkraftmaschine mit Vorerwärmung durch Wasserkreis |
CA2469401A1 (en) * | 2001-12-05 | 2003-06-19 | Lawrence G. Clawson | High efficiency otto cycle engine with power generating expander |
US6912978B2 (en) * | 2003-02-22 | 2005-07-05 | Wartsila Technology Oy Ab | Air feeding arrangement for piston engine |
FI119119B (fi) * | 2003-10-15 | 2008-07-31 | Waertsilae Finland Oy | Menetelmä ahdetun mäntämoottorin typpioksidipäästöjen (NOx) vähentämiseksi ja mäntämoottorijärjestely |
-
2002
- 2002-03-20 FI FI20020537A patent/FI116157B/fi not_active IP Right Cessation
-
2003
- 2003-03-13 EP EP03744391A patent/EP1485604B1/en not_active Expired - Lifetime
- 2003-03-13 JP JP2003576796A patent/JP4203422B2/ja not_active Expired - Fee Related
- 2003-03-13 CN CNB038064170A patent/CN100394013C/zh not_active Expired - Fee Related
- 2003-03-13 DE DE60318821T patent/DE60318821T2/de not_active Expired - Lifetime
- 2003-03-13 WO PCT/FI2003/000193 patent/WO2003078819A1/en active IP Right Grant
- 2003-03-13 DK DK03744391T patent/DK1485604T3/da active
- 2003-03-13 AT AT03744391T patent/ATE384867T1/de not_active IP Right Cessation
- 2003-03-13 AU AU2003209806A patent/AU2003209806A1/en not_active Abandoned
- 2003-03-13 US US10/508,365 patent/US7178486B2/en not_active Expired - Lifetime
- 2003-03-13 KR KR1020047014656A patent/KR100965321B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US7178486B2 (en) | 2007-02-20 |
FI20020537A0 (fi) | 2002-03-20 |
US20050161009A1 (en) | 2005-07-28 |
DE60318821D1 (de) | 2008-03-13 |
FI116157B (fi) | 2005-09-30 |
CN100394013C (zh) | 2008-06-11 |
EP1485604B1 (en) | 2008-01-23 |
EP1485604A1 (en) | 2004-12-15 |
AU2003209806A1 (en) | 2003-09-29 |
DK1485604T3 (da) | 2008-03-25 |
CN1643244A (zh) | 2005-07-20 |
JP2005520965A (ja) | 2005-07-14 |
DE60318821T2 (de) | 2008-05-21 |
WO2003078819A1 (en) | 2003-09-25 |
KR100965321B1 (ko) | 2010-06-22 |
ATE384867T1 (de) | 2008-02-15 |
FI20020537A (fi) | 2003-09-21 |
KR20040107483A (ko) | 2004-12-20 |
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