WO2009067970A1 - Procédé de commutation d'un moteur de navire entre un fonctionnement à l'huile lourde et un fonctionnement au gazole - Google Patents

Procédé de commutation d'un moteur de navire entre un fonctionnement à l'huile lourde et un fonctionnement au gazole Download PDF

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Publication number
WO2009067970A1
WO2009067970A1 PCT/DE2008/001761 DE2008001761W WO2009067970A1 WO 2009067970 A1 WO2009067970 A1 WO 2009067970A1 DE 2008001761 W DE2008001761 W DE 2008001761W WO 2009067970 A1 WO2009067970 A1 WO 2009067970A1
Authority
WO
WIPO (PCT)
Prior art keywords
diesel
heavy oil
oil
marine engine
mixture
Prior art date
Application number
PCT/DE2008/001761
Other languages
German (de)
English (en)
Inventor
Thomas Porep
Bernd Mamerow
Original Assignee
Thomas Porep - Bernd Mamerow Gbr
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 Thomas Porep - Bernd Mamerow Gbr filed Critical Thomas Porep - Bernd Mamerow Gbr
Publication of WO2009067970A1 publication Critical patent/WO2009067970A1/fr

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Classifications

    • 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
    • F02D19/0634—Determining a density, viscosity, composition or concentration
    • 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
    • F02D19/0602—Control of components of the fuel supply system
    • F02D19/0605—Control of components of the fuel supply system to adjust the fuel pressure or temperature
    • 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
    • F02D19/0602—Control of components of the fuel supply system
    • F02D19/0613—Switch-over from one fuel to another
    • F02D19/0618—Switch-over from one fuel to another depending on the engine's or vehicle's position, e.g. on/off road or proximity to a harbor
    • 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
    • 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
    • F02D19/0639—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 characterised by the type of fuels
    • F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
    • F02D19/0657—Heavy or light fuel oils; Fuels characterised by their impurities such as sulfur content or differences in grade, e.g. for ships
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • 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
    • F02M31/16—Other apparatus for heating fuel
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D24/00—Control of viscosity
    • G05D24/02—Control of viscosity characterised by the use of electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/14—Use of propulsion power plant or units on vessels the vessels being motor-driven relating to internal-combustion engines
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0606—Fuel temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0611—Fuel type, fuel composition or fuel quality
    • 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
    • F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
    • 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
    • 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

Definitions

  • the invention relates to a method for switching a marine engine from diesel oil to heavy oil operation.
  • HFO heavy fuel oil
  • the object of the invention is therefore to provide a method for switching a marine engine from diesel oil to heavy oil operation, which excludes damage to the engine during the transition from heavy oil to diesel operation.
  • the basic idea of the invention is initially to operate the ship's engine with only one type of fuel, eg diesel oil. If the marine engine is to be switched over from diesel oil to heavy oil operation, this can be initiated manually, remotely or automatically upon reaching a predetermined geographic position. First, a predetermined amount of heavy oil is added to the diesel oil and preferably kept in a separate chamber from the direct fuel supply or a separate circuit, first the viscosity of the diesel oil / heavy oil mixture is measured and this diesel oil / heavy oil mixture is brought to a temperature which is suitable for the supply line in the injection nozzles of the marine engine. Only after reaching this temperature will the diesel oil / heavy oil mixture supplied to the ship's engine and operated the marine engine with this diesel / heavy oil mixture.
  • a predetermined amount of heavy oil is added to the diesel oil and preferably kept in a separate chamber from the direct fuel supply or a separate circuit, first the viscosity of the diesel oil / heavy oil mixture is measured and this diesel oil / heavy oil mixture is brought to a temperature which is
  • the heavy oil content is increased in the diesel / heavy oil mixture, which in turn measured the viscosity, the temperature increases to achieve the predetermined viscosity of the injectors value and the further diesel / heavy oil mixture is supplied to the marine engine for combustion.
  • the marine engine system is preferably designed for the inventive method such that enough fuel in the respective diesel oil / heavy oil ratio is available without causing bottlenecks in the fuel supply. This is particularly important if, according to a preferred embodiment of the invention, the process aborted and the marine engine to be operated with the last set diesel / heavy oil mixture. This is important when the measured temperature in relation to the measured viscosity of the diesel oil / heavy oil mixture of a predetermined temperature / viscosity ratio for a corresponding diesel oil / heavy oil mixture ratio particularly preferably deviates by a predetermined amount and threaten any engine damage.
  • the ship engine is stopped when the measured temperature in relation to the measured viscosity of the diesel oil / heavy oil mixture of a predetermined temperature / viscosity ratio for a corresponding diesel oil / heavy oil mixture ratio preferably by a predetermined Deviates measure.
  • an alarm to be issued which may be an optical, audible or other alarm which indicates the malfunction to the personnel on board the ship.
  • the method can be particularly preferably designed such that the change in the composition of the diesel oil / heavy oil mixture takes place by means of a programmable ramp function, wherein, for example, in this ramp function the empirical values relating to the period of time for adjusting the temperature of the diesel oil / heavy oil mixture in FIG their respective composition.
  • the tempering performance is controlled as a function of the change in viscosity of the diesel oil / heavy oil mixture measured within a predetermined period of time. This means that, for example, when a large change in viscosity occurs during the conversion from diesel oil to heavy oil, the power of the corresponding elements provided for controlling the temperature of the diesel oil / heavy oil mixture is so regulated that the temperature of the diesel oil / heavy oil mixture is adjusted as quickly as possible so that the Marine engine sufficient fuel with engine compatible viscosity can be provided.

Abstract

L'invention concerne un procédé pour commuter le fonctionnement d'un moteur de navire d'un fonctionnement au gazole à un fonctionnement à l'huile lourde, dont les étapes consistent à : a) faire fonctionner le moteur de navire au gazole, b) mélanger de l'huile lourde au gazole, c) mesurer la viscosité du mélange gazole/huile lourde, et amener la température du mélange gazole/huile lourde à une température donnant une viscosité adaptée à l'injecteur du moteur du navire, avant de transférer le mélange gazole/huile lourde vers l'injecteur, d) faire fonctionner le moteur du navire avec le mélange gazole/huile lourde à température adéquate, e) augmenter la proportion d'huile lourde du mélange gazole/huile lourde, et f) répéter les étapes c) à e) jusqu'à ce que le moteur du navire fonctionne exclusivement à l'huile lourde.
PCT/DE2008/001761 2007-11-23 2008-10-29 Procédé de commutation d'un moteur de navire entre un fonctionnement à l'huile lourde et un fonctionnement au gazole WO2009067970A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007056819.5 2007-11-23
DE102007056819A DE102007056819A1 (de) 2007-11-23 2007-11-23 Verfahren zum Umschalten eines Schiffsmotors von Schweröl- auf Dieselölbetrieb

Publications (1)

Publication Number Publication Date
WO2009067970A1 true WO2009067970A1 (fr) 2009-06-04

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ID=40510469

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/DE2008/001761 WO2009067970A1 (fr) 2007-11-23 2008-10-29 Procédé de commutation d'un moteur de navire entre un fonctionnement à l'huile lourde et un fonctionnement au gazole
PCT/DE2008/001935 WO2009065397A1 (fr) 2007-11-23 2008-11-24 Procédé de commutation d'un moteur de navire entre fonctionnement à l'huile lourde et fonctionnement au gazole

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/001935 WO2009065397A1 (fr) 2007-11-23 2008-11-24 Procédé de commutation d'un moteur de navire entre fonctionnement à l'huile lourde et fonctionnement au gazole

Country Status (2)

Country Link
DE (1) DE102007056819A1 (fr)
WO (2) WO2009067970A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011098077A1 (fr) 2010-02-15 2011-08-18 Porep Gmbh Procédé de commutation de l'apport de carburant à un moteur à combustion interne entre un premier et un second carburant
KR101313361B1 (ko) 2009-09-11 2013-10-01 포렙 게엠베하 선박용 디젤 엔진 작동 방법

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008031597B4 (de) 2008-07-03 2021-10-07 Man Energy Solutions Se Umschaltbarer Mehrstoffmotor und Verfahren zur Kraftstoffumschaltung bei einem solchen Mehrstoffmotor
DE102009058220A1 (de) 2009-12-15 2011-04-07 Jowa Technology Ab, Kallered Verfahren zum Betrieb einer Brennkraftmaschine
WO2011088830A1 (fr) 2010-01-25 2011-07-28 York Industries International Hk. Ltd Système d'apport de deux combustibles, procédés de commutation entre différents types de combustible et procédé d'adaptation d'un système de combustible lourd
DE102010026151A1 (de) * 2010-07-05 2012-01-05 Porep Gmbh Steuerung zum Umschalten der Kraftstoffzufuhr zu einer Verbrennungskraftmaschine von einem ersten Kraftstoff auf einen zweiten Kraftstoff
DE102011012977B4 (de) * 2011-03-03 2014-11-20 Porep Gmbh Kraftstoffanlage und Verfahren zum Betreiben einer Verbrennungskraftmaschine mit einem Kraftstoff/Wasser-Gemisch
WO2012136208A1 (fr) 2011-04-05 2012-10-11 York Industries International Hk. Ltd Système d'alimentation en carburant triple, procédé pour commuter entre différents types de carburants et procédé de rattrapage d'un système d'alimentation en carburant déjà existant
CN103573430B (zh) * 2012-07-27 2016-08-03 广船国际有限公司 一种燃油切换系统
DE102015007646A1 (de) * 2015-06-17 2016-12-22 Man Diesel & Turbo Se Verfahren zum Betreiben einer Brennkraftmaschine und Steuerungseinrichtung zur Durchführung des Verfahrens
US10837374B2 (en) 2016-01-06 2020-11-17 Micro Motion, Inc. Characterizing a mixed fuel flow period
KR101805507B1 (ko) * 2016-11-21 2017-12-07 대우조선해양 주식회사 선박용 연료유 전환 시스템 및 방법
CN112302811B (zh) * 2019-07-31 2023-08-01 上海齐耀科技集团有限公司 高低硫油切换装置的切换控制方法和高低硫油切换装置
CN114215649B (zh) * 2021-12-31 2023-11-17 潍柴动力股份有限公司 一种发动机轻重油转换联动控制方法和装置

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DD66529A (fr) *
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DE3039039A1 (de) * 1980-10-16 1982-05-13 Gustav F. 2800 Bremen Holtz Verfahren und anlage zum betreiben eines verbrennungsmotors an bord von schiffen
DE3100322A1 (de) * 1981-01-08 1982-07-22 Ernst 2000 Hamburg Thöne Verfahren und vorrichtung zur herstellung eines homogenen gemisches
JPS5937239A (ja) * 1982-08-26 1984-02-29 Ishikawajima Harima Heavy Ind Co Ltd デイ−ゼル機関の燃料油切換装置
US4452265A (en) * 1979-12-27 1984-06-05 Loennebring Arne Method and apparatus for mixing liquids
DE19828772A1 (de) * 1998-06-27 1999-12-30 Man B & W Diesel As Brennkraftmaschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD66529A (fr) *
US3022425A (en) * 1956-07-11 1962-02-20 Midland Ross Corp Dual fuel control systems for engines burning diesel-type fuels
US4452265A (en) * 1979-12-27 1984-06-05 Loennebring Arne Method and apparatus for mixing liquids
DE3039039A1 (de) * 1980-10-16 1982-05-13 Gustav F. 2800 Bremen Holtz Verfahren und anlage zum betreiben eines verbrennungsmotors an bord von schiffen
DE3100322A1 (de) * 1981-01-08 1982-07-22 Ernst 2000 Hamburg Thöne Verfahren und vorrichtung zur herstellung eines homogenen gemisches
JPS5937239A (ja) * 1982-08-26 1984-02-29 Ishikawajima Harima Heavy Ind Co Ltd デイ−ゼル機関の燃料油切換装置
DE19828772A1 (de) * 1998-06-27 1999-12-30 Man B & W Diesel As Brennkraftmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101313361B1 (ko) 2009-09-11 2013-10-01 포렙 게엠베하 선박용 디젤 엔진 작동 방법
WO2011098077A1 (fr) 2010-02-15 2011-08-18 Porep Gmbh Procédé de commutation de l'apport de carburant à un moteur à combustion interne entre un premier et un second carburant
DE102010008097A1 (de) 2010-02-15 2011-08-18 Porep GmbH, 23775 Verfahren zum Umschalten der Kraftstoffzufuhr zu einer Verbrennungskraftmaschine von einem ersten Kraftstoff auf einen zweiten Kraftstoff und System zum Durchführen des Verfahrens
KR101387900B1 (ko) * 2010-02-15 2014-04-21 포렙 게엠베하 내연기관의 연료 공급을 제1 연료에서 제2 연료로 전환하는 방법

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Publication number Publication date
WO2009065397A1 (fr) 2009-05-28
DE102007056819A1 (de) 2009-05-28

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