JP4449956B2 - 内燃機関 - Google Patents
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- JP4449956B2 JP4449956B2 JP2006213432A JP2006213432A JP4449956B2 JP 4449956 B2 JP4449956 B2 JP 4449956B2 JP 2006213432 A JP2006213432 A JP 2006213432A JP 2006213432 A JP2006213432 A JP 2006213432A JP 4449956 B2 JP4449956 B2 JP 4449956B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/084—Blends of gasoline and alcohols, e.g. E85
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0626—Measuring or estimating parameters related to the fuel supply system
- F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
- F02D19/0631—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position by estimation, i.e. without using direct measurements of a corresponding sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0668—Treating or cleaning means; Fuel filters
- F02D19/0671—Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0692—Arrangement of multiple injectors per combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
-
- 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
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- 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
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0673—Valves; Pressure or flow regulators; Mixers
- F02D19/0676—Multi-way valves; Switch-over valves
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
排気ガスと熱交換可能に設けられた燃料改質触媒と、
前記混合燃料を、アルコール濃度を高めた高濃度アルコールと、ガソリン濃度を高めた高濃度ガソリンとに分離する分離手段と、
前記高濃度アルコールと排気ガスの一部とを前記燃料改質触媒に供給する改質用燃料供給手段と、
前記燃料改質触媒に供給された前記高濃度アルコールと排気ガスとが改質反応してなる改質ガスを前記内燃機関の吸気に供給する改質ガス供給手段と、
を備えることを特徴とする。
前記高濃度ガソリンと、前記高濃度アルコールとを前記内燃機関で燃焼させるために前記内燃機関に供給する燃料供給手段と、
前記内燃機関への前記高濃度ガソリンと前記高濃度アルコールとの供給比率を前記内燃機関の運転状態および/または環境条件に応じて制御する供給比率制御手段と、
を更に備えることを特徴とする。
外気温または機関代表温度を検出する温度検出手段を更に備え、
前記供給比率制御手段は、機関始動時に、外気温または機関代表温度が所定値より低い場合には、そうでない場合に比して、前記高濃度ガソリンの供給比率を高くして前記高濃度アルコールの供給比率を低くすることを特徴とする。
前記供給比率制御手段は、暖機完了後の通常運転時には、暖機完了前に比して、前記高濃度アルコールの供給比率を高くして前記高濃度ガソリンの供給比率を低くすることを特徴とする。
前記燃料供給手段は、
前記高濃度ガソリンと前記高濃度アルコールとを混合する混合手段と、
前記混合手段により混合された再混合燃料を前記内燃機関に供給する再混合燃料供給手段と、
を含むことを特徴とする。
[システム構成の説明]
図1は、本発明の実施の形態1のシステム構成を説明するための図である。図1に示すように、本実施形態のシステムは、内燃機関10を備えている。本システムは、以下に説明するように、エタノールとガソリンとを混合した燃料の給油を受けて、内燃機関10を運転することができる。内燃機関10で使用する混合燃料のエタノール割合は特に限定されないが、例えばエタノール割合が5〜85質量%(E5〜E85)程度の混合燃料を好適に使用することができる。
(1)分離膜により分離する方法。
(2)混合燃料を加熱し、沸点の違いを利用して分離する方法(分留)。
(3)混合燃料に水を加え、水との親和性の高いエタノールを水相に移行させることによって分離する方法。
→31H2+34.7CO+63.6N2 ・・・(2)
12 吸気管
16 スロットル弁
18 燃料噴射装置
20 排気管
24 熱交換器
26 改質室
28 排気通路
30 分岐管
32 改質用燃料供給装置
34 改質ガス導管
36 流量調整弁
40 分離器
42 エタノールタンク
44 混合器
50 ECU
Claims (5)
- アルコールとガソリンとの混合燃料によって運転可能な内燃機関であって、
排気ガスと熱交換可能に設けられた燃料改質触媒と、
前記混合燃料を、アルコール濃度を高めた高濃度アルコールと、ガソリン濃度を高めた高濃度ガソリンとに分離する分離手段と、
前記高濃度アルコールと排気ガスの一部とを前記燃料改質触媒に供給する改質用燃料供給手段と、
前記燃料改質触媒に供給された前記高濃度アルコールと排気ガスとが改質反応してなる改質ガスを前記内燃機関の吸気に供給する改質ガス供給手段と、
前記高濃度ガソリンと、前記高濃度アルコールとを前記内燃機関で燃焼させるために前記内燃機関に供給する燃料供給手段と、
前記内燃機関への前記高濃度ガソリンと前記高濃度アルコールとの供給比率を前記内燃機関の運転状態および/または環境条件に応じて制御する供給比率制御手段と、
を備え、
前記供給比率制御手段は、暖機完了後の通常運転時には、暖機完了前に比して、前記高濃度アルコールの供給比率を高くして前記高濃度ガソリンの供給比率を低くすることを特徴とする内燃機関。 - 外気温または機関代表温度を検出する温度検出手段を更に備え、
前記供給比率制御手段は、機関始動時に、外気温または機関代表温度が所定値より低い場合には、そうでない場合に比して、前記高濃度ガソリンの供給比率を高くして前記高濃度アルコールの供給比率を低くすることを特徴とする請求項1記載の内燃機関。 - 前記燃料供給手段は、
前記高濃度ガソリンと前記高濃度アルコールとを混合する混合手段と、
前記混合手段により混合された再混合燃料を前記内燃機関に供給する再混合燃料供給手段と、
を含むことを特徴とする請求項1または2記載の内燃機関。 - 前記混合手段は、前記高濃度ガソリンと前記高濃度アルコールとの混合割合を調整可能であり、
前記供給比率制御手段は、前記混合手段での前記高濃度ガソリンと前記高濃度アルコールとの混合割合を調整することにより、前記内燃機関への前記高濃度ガソリンと前記高濃度アルコールとの供給比率を制御することを特徴とする請求項3記載の内燃機関。 - 前記改質反応は、アルコールと排気ガス中の水蒸気および二酸化炭素とを反応させることにより水素(H 2 )と一酸化炭素(CO)とを生成する反応であることを特徴とする請求項1乃至4の何れか1項記載の内燃機関。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006213432A JP4449956B2 (ja) | 2006-08-04 | 2006-08-04 | 内燃機関 |
PCT/JP2007/065043 WO2008016070A1 (fr) | 2006-08-04 | 2007-08-01 | Moteur à combustion interne |
CN2007800278744A CN101495735B (zh) | 2006-08-04 | 2007-08-01 | 内燃机 |
BRPI0714846-1A2A BRPI0714846A2 (pt) | 2006-08-04 | 2007-08-01 | motor de combustço interna |
DE602007012259T DE602007012259D1 (de) | 2006-08-04 | 2007-08-01 | Verbrennungsmotor |
RU2009103138/06A RU2396449C1 (ru) | 2006-08-04 | 2007-08-01 | Двигатель внутреннего сгорания |
US12/375,223 US20100224141A1 (en) | 2006-08-04 | 2007-08-01 | Internal combustion engine |
EP07791727A EP2048339B1 (en) | 2006-08-04 | 2007-08-01 | Internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006213432A JP4449956B2 (ja) | 2006-08-04 | 2006-08-04 | 内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008038739A JP2008038739A (ja) | 2008-02-21 |
JP4449956B2 true JP4449956B2 (ja) | 2010-04-14 |
Family
ID=38997245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006213432A Expired - Fee Related JP4449956B2 (ja) | 2006-08-04 | 2006-08-04 | 内燃機関 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20100224141A1 (ja) |
EP (1) | EP2048339B1 (ja) |
JP (1) | JP4449956B2 (ja) |
CN (1) | CN101495735B (ja) |
BR (1) | BRPI0714846A2 (ja) |
DE (1) | DE602007012259D1 (ja) |
RU (1) | RU2396449C1 (ja) |
WO (1) | WO2008016070A1 (ja) |
Families Citing this family (51)
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JP4770753B2 (ja) * | 2007-02-20 | 2011-09-14 | 株式会社豊田中央研究所 | 内燃機関の制御装置 |
JP4905385B2 (ja) * | 2008-02-22 | 2012-03-28 | トヨタ自動車株式会社 | 燃料改質装置付き内燃機関 |
JP5018550B2 (ja) * | 2008-02-27 | 2012-09-05 | トヨタ自動車株式会社 | 燃料改質装置 |
JP5251730B2 (ja) * | 2008-07-18 | 2013-07-31 | 株式会社豊田中央研究所 | 改質ガス生成装置及びこれを備えた改質ガス燃焼エンジンシステム並びに改質触媒の活性回復方法 |
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JP5407904B2 (ja) * | 2010-01-28 | 2014-02-05 | トヨタ自動車株式会社 | 排ガス浄化方法及びその装置 |
EP2534362A2 (en) * | 2010-02-13 | 2012-12-19 | McAlister Technologies, LLC | Coupled thermochemical reactors and engines, and associated systems and methods |
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JP5734687B2 (ja) * | 2011-02-03 | 2015-06-17 | 本田技研工業株式会社 | 内燃機関の運転システム |
CN103477056B (zh) * | 2011-04-13 | 2016-08-17 | 丰田自动车株式会社 | 内燃机的燃料喷射控制系统 |
JP5048856B1 (ja) * | 2011-04-27 | 2012-10-17 | 三菱電機株式会社 | 内燃機関のプリイグニッション推定制御装置 |
JP5742535B2 (ja) * | 2011-07-20 | 2015-07-01 | 日産自動車株式会社 | 吸気コレクターの内部状態推定装置 |
JP5916109B2 (ja) * | 2012-03-29 | 2016-05-11 | 株式会社日立製作所 | エタノールエンジンシステム |
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CN101495735A (zh) | 2009-07-29 |
CN101495735B (zh) | 2011-06-15 |
EP2048339A4 (en) | 2010-03-24 |
JP2008038739A (ja) | 2008-02-21 |
EP2048339A1 (en) | 2009-04-15 |
DE602007012259D1 (de) | 2011-03-10 |
US20100224141A1 (en) | 2010-09-09 |
EP2048339B1 (en) | 2011-01-26 |
WO2008016070A1 (fr) | 2008-02-07 |
RU2396449C1 (ru) | 2010-08-10 |
BRPI0714846A2 (pt) | 2013-06-25 |
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