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EP2014908B1 - Moteur à combustion interne fonctionnant au diesel ou au carburant biogène au choix - Google Patents

Moteur à combustion interne fonctionnant au diesel ou au carburant biogène au choix Download PDF

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Publication number
EP2014908B1
EP2014908B1 EP08010662A EP08010662A EP2014908B1 EP 2014908 B1 EP2014908 B1 EP 2014908B1 EP 08010662 A EP08010662 A EP 08010662A EP 08010662 A EP08010662 A EP 08010662A EP 2014908 B1 EP2014908 B1 EP 2014908B1
Authority
EP
European Patent Office
Prior art keywords
fuel
combustion engine
internal combustion
valve
line
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.)
Not-in-force
Application number
EP08010662A
Other languages
German (de)
English (en)
Other versions
EP2014908A1 (fr
Inventor
Peter Wagner
Mark Zimmermann
Thomas Hoen
Michael Neuhaus
Christian Fink
Andreas Friesen
Sebastian Terlinde
Jörg Thiemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutz AG
Original Assignee
Deutz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deutz AG filed Critical Deutz AG
Priority to PL08010662T priority Critical patent/PL2014908T3/pl
Publication of EP2014908A1 publication Critical patent/EP2014908A1/fr
Application granted granted Critical
Publication of EP2014908B1 publication Critical patent/EP2014908B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0064—Layout 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
    • 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
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned
    • 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
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/06—Feeding by means of driven pumps mechanically driven
    • 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
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven

Definitions

  • Such an internal combustion engine is from the DE 38 00 585 A1 known.
  • This internal combustion engine relates to a device for alternative operation of a diesel engine with low-viscosity fuel, in particular diesel oil, and viscous fuel, in particular rapeseed oil, both fuels are supplied via a series injection pump to the injection valves of the internal combustion engine.
  • a device is provided which is intended to ensure, on the one hand, an optional supply of one of the two fuels to the series injection pump and with which a rinsing of the low-pressure system of the fuel system is to take place. This whole device is essentially pressure controlled.
  • the first switching valve 5 When switching from diesel operation to rapeseed initially the first switching valve 5 is still in the blocking circuit for rapeseed fuel to the fuel metering device 8 and the fourth switching valve 24 in the Abêt ein in the main tank 17.
  • the rapeseed fuel circuit has in this switching position to a low pressure to the pumping losses keep as low as possible.
  • the delivery pump 20 with a delivery rate of about 5 liters per minute, as well as the other elements of the rapeseed fuel train, are the normal elements for fuel delivery installed on an internal combustion engine.
  • the feed pump 20 is mechanically driven. A mechanical drive is chosen because of the required high drive power.
  • Fig. 4 is shown the switching from rapeseed fuel to diesel fuel.
  • the electric feed pump 3 is first switched on before the switching of the first switching valve 5, so that a sufficient pressure is built up in the line sections 6. Because the electric pump 3 is operated at a constant speed, the time until a successful pressure buildup can be determined as a constant value and stored accordingly in a memory of the electronic control device 12.
  • the first switching valve 5 is switched to the passage position of diesel fuel to the fuel metering device 8, and the fourth switching valve 24 is simultaneously switched to the dumping position in the main tank 17.
  • the corresponding drive unit evaluates the already basically explained signals to load, speed of the internal combustion engine, the pressures in the injection total system and the stored parameters on line diameter and line lengths including the resulting resulting volume.
  • the behavior of the fuel metering device 8 is in turn stored in the electronic control device 12 in the form of characteristic curves. This behavior is also dependent on the properties of the fuel, in particular the viscosity. Accordingly, storage can be carried out separately for diesel fuel and rapeseed fuel, but it can also be provided to store only the characteristic diagrams, for example for diesel fuel, and to determine the characteristic fields for rapeseed fuel from these characteristics maps with corresponding correction factors.

Landscapes

  • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Claims (11)

  1. Moteur à combustion interne, notamment moteur à combustion interne à auto-allumage, prévu pour fonctionner au choix avec un carburant à faible viscosité, notamment du diesel, et un carburant à haute viscosité, notamment de l'huile de colza, un réservoir supplémentaire recevant le carburant à faible viscosité, par le biais d'un dispositif de filtre et d'un dispositif de transport, et un réservoir principal recevant le carburant à haute viscosité, par le biais d'un agencement de filtre et d'un agencement de transport, étant raccordés par le biais de conduites d'alimentation à un dispositif de pompe haute pression commun, et une sortie basse pression du dispositif de pompe haute pression étant connectée par le biais d'un système de conduite de retour au réservoir principal et au réservoir supplémentaire,
    caractérisé en ce que du côté de l'entrée du dispositif de pompe haute pression est disposée une première soupape d'inversion (5a), qui raccorde au choix la conduite d'alimentation conduisant le carburant à haute viscosité à l'entrée dans le dispositif de pompe haute pression, ou à une conduite de court-circuit (23) débouchant dans le réservoir principal (17), et en ce que la conduite d'alimentation conduisant le carburant à faible viscosité débouche par le biais d'une soupape de non retour (28) dans l'entrée dans le dispositif de pompe haute pression.
  2. Moteur à combustion interne selon la revendication 1,
    caractérisé en ce que la première soupape d'inversion (5) est une soupape à 3/2 voies.
  3. Moteur à combustion interne selon l'une quelconque des revendications précédentes,
    caractérisé en ce que le dispositif de pompe haute pression présente un dispositif de dosage de carburant (8) et au moins une pompe haute pression (9) montée en aval.
  4. Moteur à combustion interne selon la revendication 3,
    caractérisé en ce que le dispositif de dosage de carburant (8) présente une sortie basse pression débouchant dans une branche de la conduite de retour (14), une deuxième soupape d'inversion (25) et une troisième soupape d'inversion (15) étant disposées dans les branches de la conduite de retour (14a, 14b) et raccordant la sortie basse pression au réservoir supplémentaire (1) par le biais d'une conduite de retour au réservoir supplémentaire (16), ou au réservoir principal (17) par le biais d'une conduite de retour au réservoir principal (27).
  5. Moteur à combustion interne selon la revendication 4,
    caractérisé en ce que la deuxième soupape d'inversion (25) et la troisième soupape d'inversion (15) sont deux soupapes à 2/2 voies pouvant être commandées en commun.
  6. Moteur à combustion interne selon l'une quelconque des revendications précédentes,
    caractérisé en ce que le dispositif de coupure est une quatrième soupape d'inversion (24), qui est réalisée sous forme de soupape à 2/2 voies.
  7. Moteur à combustion interne selon l'une quelconque des revendications précédentes,
    caractérisé en ce que l'agencement de transport est une pompe de refoulement (20) entraînée mécaniquement par le moteur à combustion interne.
  8. Moteur à combustion interne selon l'une quelconque des revendications précédentes,
    caractérisé en ce que la conduite d'alimentation conduisant le carburant à haute viscosité est raccordée au réservoir principal (17) par le biais d'un dispositif de coupure avec des connexions de conduite associées.
  9. Moteur à combustion interne selon l'une quelconque des revendications précédentes,
    caractérisé en ce que dans la conduite d'alimentation conduisant le carburant à haute viscosité est prévu un dispositif de chauffage.
  10. Moteur à combustion interne selon la revendication 9,
    caractérisé en ce que le dispositif de chauffage est raccordé au réfrigérant du moteur.
  11. Procédé pour faire fonctionner au choix un moteur à combustion interne, notamment un moteur à combustion interne à auto-allumage, avec un carburant à faible viscosité, notamment du diesel, et un carburant à haute viscosité, notamment de l'huile de colza, un réservoir supplémentaire recevant le carburant à faible viscosité, par le biais d'un dispositif de filtre et d'un dispositif de transport, et un réservoir principal recevant le carburant à haute viscosité, par le biais d'un agencement de filtre et d'un agencement de transport, étant raccordés par le biais de conduites d'alimentation à un dispositif de pompe haute pression commun, et une sortie basse pression du dispositif de pompe haute pression étant connectée par le biais d'un système de conduite de retour au réservoir principal et au réservoir supplémentaire,
    caractérisé en ce que la conduite d'alimentation conduisant le carburant à haute viscosité peut être raccordée par le biais d'une première soupape d'inversion (5a) disposée du côté de l'entrée du dispositif de pompe haute pression, au choix à l'entrée dans le dispositif de pompe haute pression ou à une conduite de court-circuit (23) débouchant dans le réservoir principal (17), et en ce que la conduite d'alimentation conduisant le carburant à faible viscosité débouche par le biais d'une soupape de non retour (28) dans l'entrée du dispositif de pompe haute pression.
EP08010662A 2007-07-07 2008-06-12 Moteur à combustion interne fonctionnant au diesel ou au carburant biogène au choix Not-in-force EP2014908B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08010662T PL2014908T3 (pl) 2007-07-07 2008-06-12 Silnik spalinowy pracujący naprzemiennie na oleju napędowym lub paliwie biogenicznym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031781A DE102007031781A1 (de) 2007-07-07 2007-07-07 Wechselweise mit Dieselkraftstoff oder einem biogenen Kraftstoff betreibbare Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP2014908A1 EP2014908A1 (fr) 2009-01-14
EP2014908B1 true EP2014908B1 (fr) 2010-09-22

Family

ID=39865180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010662A Not-in-force EP2014908B1 (fr) 2007-07-07 2008-06-12 Moteur à combustion interne fonctionnant au diesel ou au carburant biogène au choix

Country Status (5)

Country Link
EP (1) EP2014908B1 (fr)
AT (1) ATE482334T1 (fr)
DE (2) DE102007031781A1 (fr)
ES (1) ES2353567T3 (fr)
PL (1) PL2014908T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008005183A1 (de) 2008-01-19 2009-07-23 Deutz Ag Automatische Kraftstofferkennung
DE102010035722B4 (de) * 2010-05-20 2012-12-13 Wolfram Kangler Verfahren und Vorrichtung zum Betrieb einer Brennkraftmaschine mit zumindest zwei unterschiedlichen Kraftstoffsorten
SE537360C2 (sv) * 2011-12-28 2015-04-14 Scania Cv Ab Arrangemang och förfarande för att uppskatta en bränsleblandnings halt av ett tillsatsbränsle
DE102014220437A1 (de) * 2014-10-09 2016-04-14 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Spülen des Kraftstoffsystems einer Brennkraftmaschine

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620568A (en) * 1985-10-09 1986-11-04 Sumerford Harold A Vehicle off road fuel use indicator
DE3800585A1 (de) 1987-01-13 1988-07-28 Kloeckner Humboldt Deutz Ag Vorrichtung zum alternativen betreiben einer dieselbrennkraftmaschine mit dieseloel und rapsoel
DE3929115A1 (de) * 1989-09-01 1991-03-07 Elsbett L Einspritzsystem fuer eine brennkraftmaschine
DE59706474D1 (de) * 1996-06-22 2002-04-04 Mahle Filtersysteme Gmbh Durch einen Verbrennungsmotor antreibbares Kraftfahrzeug
DE19635220A1 (de) * 1996-08-30 1998-05-14 Georg Lohmann Steuerungseinheit für Dieselmotoren, die mit Fetten und Ölen von Pflanze und Tier betrieben werden
DE10060573B4 (de) * 2000-12-06 2005-07-07 Ralph Finger Pflanzenöl-Motoranlage
DE10131630A1 (de) * 2001-06-29 2003-04-24 Ulrich Sepp Kraftstoffanlage für ein mit Pflanzenöl zu betreibendes Dieselantriebsaggregat
DE202004010109U1 (de) * 2004-06-28 2004-10-07 Kunkel, Alexander Vorrichtung zur Versorgung eines Motors eines Kraftfahrzeugs mit Kraftstoff
WO2006005930A2 (fr) * 2004-07-08 2006-01-19 Regenatec Limited Moteurs a combustion interne fonctionnant grace a l'huile vegetale
FR2873752B1 (fr) * 2004-07-28 2008-02-15 Paul Ledun Dispositif de double alimentation carburant pour moteur diesel
DE102004050601B4 (de) * 2004-10-15 2006-12-21 Kangler, Wolfram, Dipl.-Phys. Wärmetauschmodul
DE202005007712U1 (de) * 2005-05-11 2006-09-21 Storimpex Im- & Export Gmbh Pflanzenölbetrieb von Dieselmotoren mit Spülung
DE202005017702U1 (de) * 2005-09-19 2006-03-09 Tögel, Herwig Vorrichtung zum Betreiben eines Dieselmotors mit Kraftstoffen auf pflanzlichen Ölen
DE102006000621A1 (de) * 2005-10-28 2007-05-03 Rainer Dirnhofer Raps-/Dieselventil
DE102005053095B3 (de) * 2005-11-04 2007-01-18 Alexander Sellentin Kraftstoffzuführungseinrichtung für einen Dieselmotor und Verfahren zum Betreiben einer Kraftstoffzuführungseinrichtung für einen Dieselmotor
DE102005058609B4 (de) * 2005-11-23 2007-12-20 Diama Gmbh Verfahren und Vorrichtung zum Steuern einer Zufuhr von Pflanzenöl als Kraftstoff
FR2902147B1 (fr) * 2006-06-07 2012-08-24 Lycee D Enseignement Agricole Prive De Savy Berlette Procede d'alimentation d'un moteur thermique, notamment a partir d'huile vegetale.
DE102007005575A1 (de) * 2007-02-02 2008-08-07 PTN Pflanzenöltechnik Nord GmbH Brennstoffmaschine mit zwei Kraftstoffbehältern

Also Published As

Publication number Publication date
DE502008001367D1 (de) 2010-11-04
ES2353567T3 (es) 2011-03-03
DE102007031781A1 (de) 2009-01-08
PL2014908T3 (pl) 2011-04-29
ATE482334T1 (de) 2010-10-15
EP2014908A1 (fr) 2009-01-14

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