CN1159513A - 把液体燃料输送到柴油型内连发动机的装置 - Google Patents

把液体燃料输送到柴油型内连发动机的装置 Download PDF

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CN1159513A
CN1159513A CN96123147A CN96123147A CN1159513A CN 1159513 A CN1159513 A CN 1159513A CN 96123147 A CN96123147 A CN 96123147A CN 96123147 A CN96123147 A CN 96123147A CN 1159513 A CN1159513 A CN 1159513A
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fuel
liquid
pipeline
oil
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CN1068927C (zh
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德克·巴斯唐奥夫
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MAN Energy Solutions France SAS
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SEMT Pielstick SA
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/0228Adding fuel and water emulsion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus 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
    • F02M37/04Feeding by means of driven pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/12Controlling 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 non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus 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
    • F02M37/0047Layout or arrangement of systems for feeding fuel
    • F02M37/0064Layout or arrangement of systems for feeding fuel for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012Valves
    • F02M63/0031Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

本发明与把液体燃油输送到一柴油型内连发动机的装置有关,该装置有一把燃油输送到上述发动机射油泵的管路,上述输油管路构成一个回路且有一个把上述燃油进入的管路,处理和循环上述燃油的装置和一个把添加液体引入到上述燃油的管路,其特征在于所添加液体引入到上述输油管路的上述管路的连结点直接位于供应上述发动机射油泵的上述输油管路部件的上游处并且一个能关闭上述输油管路的关闭阀直接位于发动机射油泵的输油管路部件的下游处。

Description

把液体燃料输送到柴油型内连发动机的装置
本发明与柴油型内连发动机有关,更具体地说,与把液体燃料输送到一柴油型I.C.发动机的装置有关,液体燃料能在其内添加另一种液体,例如想要改变燃烧的特性。
这种柴油内连发动机一般通过一闭路引导而燃油输送到射油泵的入口。
例如,这种输送在附图1中详细示出。
此连到射油泵的闭路部分是在5-6巴的压力下循环。
此引导燃油到射油泵入口的环路有一燃油引入点,一引入附加液体的装置而使其均匀分布,还有一循环泵,一再热装置,一过滤装置,最后,有上述射油泵组件和发动机的喷油嘴。
对大功率发动机而言,上述附加的液体和燃油混合物有一个相当大的循环量从而带来一些缺点。
把液体燃油输到柴油型内连发动机的装置第一个缺点是从单独的燃油运作过渡到添加的液体和燃油运作需要一段时间,反之亦然。
把液体燃油输到柴油型内连发动机的装置第二个缺点是适应在燃油中添加液体量的比例所需时间是发动机负荷变化的函数。
把液体燃油输到柴油型内连发动机的装置第三个缺点是为了使所添加的液体和燃油混合物均匀而引起装置成本增大,此匀化装置必须产生一稳定和良好燃烧的乳化液,该乳化液要求添加的液滴直径不超过10μm。
因此本发明的目的是提供一种克服上述先有技术缺点的把液体燃油输到柴油型内连发动机的装置。
为此目的,本发明的把液体燃油输到柴油型内连发动机的装置有一管路把燃油输到上述发动机的射油泵,上述输油管路构成一输油环路且有一个进入燃油的管路,处理和循环燃油的装置和一个引进添加液体到上述燃油的管路,其特征在于把添加液体引入到上述燃油的管路,其特征在于把添加液体引入到上述燃油输送管的上述管路的连结点位于上述输送管路的上游段,该输油管路把燃油输送到发动机的射油泵,其中一个能关闭输油管路的关闭阀直接位于供油到上述发动机射油泵的输油管路部件的下游段。
本发明的把液体燃油输到一柴油型内连发动机的装置也满足下列任何一个特性:
上述把添加的液体引入到上述输油管路的管路连结点是由一个把上述添加液体和上述燃油混合的拌搅器组成。
上述搅拌器中使上述添加的液滴有其直径小于或等于0.5毫米。
上述把燃油输送到射油泵的管路有一个用来测量上述输油管中所循环燃油流量的装置,上述测量装置与射入上述输油管路的添加液体流量的调节装置相连。
本发明可通过阅读下列说明书再参照附图就会更好地理解,其中
图1是根据先有技术的把液体燃油输送到柴油型内连发动机的装置图解;
图2是根据本发明的把液体燃油输送到柴油型内连发动机的装置图象;
现参照附图;图1示出先有技术的把液体燃油输送到柴油型内连发动机的装置,其中添加的液体为水。
如上文所述,一个呈环路的输送管路1把燃油C引入到发动机M的射油泵P1的入口。
此闭路供油管路1接纳一燃油C的入口管2,一水E的引入管3,一循环泵P,一再热装置R,一过滤装置F和最后,一个射油泵P1和发动机M的喷咀I的组件4。
把水E引入到供油管路C的管端3是由一个把水E和燃油C均匀混合的装置H所组成。
因此该装置把液体燃油C输送到柴油型内连发动机M主要有一个把燃油输送到发动机M的射油泵P1的管路。
该输油管路构成了一个供油环路且包含有一个用于燃油C的入口管2,用于处理和循环燃油C的装置,一个把水E引入到燃油C的管路3。
图2示出本发明的把液体燃油输送到一柴油型内连发动机的装置,其中所添加的液体为水。
本发明的把液体燃油输送到一柴油型内连发动机的装置也有一个把燃油输送到发动机M的射油泵P1的管路1。
该输油管路1构成了一供油环路且有一个燃油C的入口管路2,处理和循环燃油C的装置和一个把水E引入到燃油C的管路3。
本发明的把液体燃油C输送到一柴油型内连发动机的装置区别于先有技术的输油装置,其中,把水引入到燃油输送管路1的管路3直接位于向发动机M的射油泵P1供油的输油管路1部件4的上游。
况且一个能关闭上述输油管路1的关闭阀5直接位于向发动机M的射油泵P1供油的输油管路1部件4的上游。
该封闭阀5能根据标号A的第一运作模式操作或根据标号B的第二运作模式操作。
根据本发明的一个最佳实施例,把水E引入输油管路1的管3端是由一个把水E和燃油C混合的搅拌器6所组成。
搅拌器6最好做到其内水滴的直径小于或等于0.5毫米。
把燃油输送到射油泵P1的管路1有一个测量在输油管路1中燃油循环流量的装置7。
燃油流量测量装置控制一个把水射入输油管路1中的流量调节装置8。
现将叙述本发明的把液体燃油输送到一柴油型内连发动机的装置之操作。
下文为一发动机给定的负荷值,例如,一负荷值在20%和50%,根据运作模式A来操作关闭阀5而且使引入水中断。
于是,发动机在已知安排的输油回路内运作。
在发动机起动之前,该输油回路要使管路上的部件再热且在管路内放气或滤清。
在大于发动机负荷值的20%和50%之间的运行中,想把例如减小氧化氮的水引入到供油管路内。
与上述引入相结合,根据有效中断回路的运作模式B来操作关闭阀。
上述的中断避免在输油管路中循环的水/燃油混合物的量太大,从而对水的配比变化几乎没有惯性而且在短时间内允许在管路无水情况下恢复运行。
水的引入点和射油泵的供油喷嘴之间的短距离与环路内无循环一起允许相当粗略地引入水而导致不稳定的混合,但是保证了一个正确的水和燃油的局部分配。
而且当上述混合物到达射油泵之前,该混合物没有时间出现不稳定,这样,通过上述操作,在传送过程中,保证水和燃油混合物较好的均匀性,也就是水滴直径不会超过10μm。
测量燃油流量的装置控制水的流量调节,从而保证在燃油中的水量有一个固定的配比。

Claims (4)

1.把液体燃油C输送到一柴油型内连发动机M的装置,上述装置有一个把燃油输送到上述发动机射油泵P1的管路,上述构成一输油回路的输油管路1有一上述燃油C进入的管路2,处理和循环上述燃油的装置和一个把添加液体引入到上述燃油(C)的管路(3),其特征在于把添加液体引入到上述输油管路1的上述管路(3)的连结点直接位于供应上述发动机射油泵上述输油管路部件4的上游处并且一个能关闭上述输油管路(1)的关闭阀5直接位于供应上述发动机射油泵的上述输油管路部件4的下游处。
2.根据权利要求1所述的装置,其特征在于把添加液体E引入到上述输油管路(1)的上述管路(3)的连结点是由一个用于上述添加液体和上述燃油的搅拌器(6)组成。
3.根据权利要求2所述的装置,其特征在于上述搅拌器(6)使其内的添加液体的液滴直径小于或等于0.5毫米。
4.根据权利要求1到3任一项所述的装置,其特征在于把燃油输送到射油泵的上述管路(1)有一个测量在上述输油管路(1)中循环的燃油流量装置7,上述测量装置(7)控制一个把添加液体(E)喷入到上述输油管路(1)中的流量调节装置。
CN96123147A 1995-12-21 1996-12-20 把液体燃料输送到柴油型内燃发动机的装置 Expired - Fee Related CN1068927C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9515286A FR2742806A1 (fr) 1995-12-21 1995-12-21 Dispositif d'alimentation en combustible liquide d'un moteur a combustion interne diesel
FR9515286 1995-12-21
FR9600212 1996-01-10
FR9600212A FR2742807B1 (fr) 1995-12-21 1996-01-10 Dispositif d'alimentation en combustible liquide d'un moteur a combustion interne diesel

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CN1159513A true CN1159513A (zh) 1997-09-17
CN1068927C CN1068927C (zh) 2001-07-25

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EP (1) EP0780558B1 (zh)
JP (1) JPH09222050A (zh)
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BR (1) BR9604713A (zh)
DE (1) DE69603823T2 (zh)
DK (1) DK0780558T3 (zh)
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FR (1) FR2742807B1 (zh)
NO (1) NO965420L (zh)
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PL180714B1 (pl) 2001-03-30
DK0780558T3 (da) 2000-03-13
NO965420D0 (no) 1996-12-17
JPH09222050A (ja) 1997-08-26
KR970045244A (ko) 1997-07-26
PL317631A1 (en) 1997-06-23
DE69603823T2 (de) 2000-04-20
ES2137647T3 (es) 1999-12-16
FR2742807B1 (fr) 1998-03-13
CN1068927C (zh) 2001-07-25
US5771848A (en) 1998-06-30
FR2742807A1 (fr) 1997-06-27
EP0780558A1 (fr) 1997-06-25
EP0780558B1 (fr) 1999-08-18
NO965420L (no) 1997-06-23
DE69603823D1 (de) 1999-09-23
BR9604713A (pt) 1998-06-23

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