CH697139A5 - Reciprocating internal combustion engine. - Google Patents

Reciprocating internal combustion engine. Download PDF

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Publication number
CH697139A5
CH697139A5 CH01458/04A CH14582004A CH697139A5 CH 697139 A5 CH697139 A5 CH 697139A5 CH 01458/04 A CH01458/04 A CH 01458/04A CH 14582004 A CH14582004 A CH 14582004A CH 697139 A5 CH697139 A5 CH 697139A5
Authority
CH
Switzerland
Prior art keywords
internal combustion
combustion engine
reciprocating internal
heating element
storage line
Prior art date
Application number
CH01458/04A
Other languages
German (de)
Inventor
Stephan Haas
Original Assignee
Man B & W Diesel 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 Man B & W Diesel Ag filed Critical Man B & W Diesel Ag
Publication of CH697139A5 publication Critical patent/CH697139A5/en

Links

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
    • F02M63/00—Other 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
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure
    • 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
    • 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
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0668—Treating or cleaning means; Fuel filters
    • 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
    • F02D19/0684—High pressure fuel injection systems; Details on pumps, rails or the arrangement of valves in the fuel supply and return systems
    • 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
    • F02M31/06—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air
    • 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
    • F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
    • F02M31/125—Fuel
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • 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

Description

       

  [0001] Die Erfindung betrifft eine Hubkolbenbrennkraftmaschine, die für Schwerölbetrieb geeignet ist, mit einer Kraftstoff unter hohem Druck führenden Kraftstoffspeicherleitung zur Versorgung von Einspritzventilen.

[0002] Der Erfindung liegt die Aufgabe zugrunde, mit einfachen, platzsparenden Mitteln die Verfügbarkeit der Hubkolbenbrennkraftmaschine zu erhöhen.

[0003] Diese Aufgabe wird dadurch gelöst, dass in der Kraftstoffspeicherleitung ein Heizelement angeordnet ist. Bei Anwendung der Erfindung kann an den Einspritzventilen stets Kraftstoff mit der erforderlichen Temperatur und dadurch der erforderlichen Viskosität anstehen. Die Maschine kann also auch nach einer Stillstandsphase problemlos angefahren werden.

   Auch im Betrieb wird die Einhaltung der zu fordernden Viskosität des Kraftstoffes begünstigt.

[0004] Vorzugsweise ist das Heizelement konzentrisch in der Kraftstoffspeicherleitung angeordnet. Hierdurch wird eine optimale Ausnutzung der zugeführten Wärme erreicht.

[0005] Vorteilhaft ist die Kraftstoffspeicherleitung unter Einschluss eines Luftspaltes ummantelt. Hierdurch kann der Wärmeverlust minimiert werden.

[0006] Weitere Merkmale und Vorteile ergeben sich aus den zusätzlichen abhängigen Ansprüchen und einer Beschreibung eines Ausführungsbeispieles anhand der Zeichnung. Diese zeigt einen Teil einer Kraftstoffspeicherleitung mit den daran anschliessenden Teilen im Schnitt.

[0007] Auf der Zeichnung ist die rohrförmig ausgeführte Kraftstoffspeicherleitung mit 1 bezeichnet.

   In den Innenraum 2, der den unter hohem Druck stehenden Kraftstoff aufnimmt, ist ein Heizelement 3 eingebracht. Das Heizelement ist im dargestellten Ausführungsbeispiel als mit Heissdampf beaufschlagtes Rohr ausgebildet. An den beiden Enden der Kraftstoffspeicherleitung 1 ist je ein Abschlussstück 4 angeordnet, das den Innenraum 2 druckdicht verschliesst. Auf der Zeichnung ist nur das eine Abschlussstück 4 dargestellt. Jedes Abschlussstück 4 weist eine Bohrung 5 auf, an die nicht dargestellte Rohrleitungen zur Aufrechterhaltung einer Zirkulation des Heissdampfes angeschlossen sind. Das Heizelement 3 und die Bohrung 5 sind dabei gegenüber dem Innenraum 2 druckdicht ausgeführt. Die Kraftstoffspeicherleitung 1 steht in an sich bekannter Weise über Bohrungen in Anschlussstücken 6 und je eine anschliessende Rohrleitung 7 mit je einem Einspritzventil 8 in Verbindung.

   Zwischen zwei Anschlussstücken 6 bzw. einem Anschlussstück 6 und einem Abschlussstück 4 ist um die Kraftstoffspeicherleitung 1 unter Einschluss eines Luftspaltes jeweils ein Mantelrohrstück 9 angeordnet.

[0008] Anstelle eines mit Heissdampf durchflossenen Heizelementes kann auch ein elektrisches Heizelement Verwendung finden.

[0009] Mit Hilfe des vorstehend beschriebenen Heizelementes ist es möglich, bei kleinem Bauraum den Kraftstoff in der Kraftstoffspeicherleitung 1 gleichmässig vorzuwärmen und dadurch einen sicheren Motorstart und Motorbetrieb mit Schweröl sicherzustellen. Ausserdem verkürzt sich die Zeit bis zur Verfügbarkeit der Hubkolbenbrennkraftmaschine, weil der erforderliche Zeitraum, um von der kalten Maschine bis zur betriebsklaren Maschine zu kommen, verkürzt wird.



  The invention relates to a reciprocating internal combustion engine, which is suitable for heavy oil operation, with a fuel at high pressure leading fuel accumulator line for the supply of injectors.

The invention has for its object to increase the availability of reciprocating internal combustion engine with simple, space-saving means.

This object is achieved in that a heating element is arranged in the fuel storage line. When using the invention can always be present at the injection valves fuel at the required temperature and thus the required viscosity. The machine can therefore be approached easily after a standstill phase.

   Even in operation, compliance with the required viscosity of the fuel is favored.

Preferably, the heating element is arranged concentrically in the fuel storage line. As a result, an optimal utilization of the supplied heat is achieved.

Advantageously, the fuel storage line is encased with the inclusion of an air gap. As a result, the heat loss can be minimized.

Further features and advantages will become apparent from the additional dependent claims and a description of an embodiment with reference to the drawing. This shows a part of a fuel storage line with the adjoining parts in section.

In the drawing, the tubular running fuel storage line is denoted by 1.

   In the interior 2, which receives the fuel under high pressure, a heating element 3 is introduced. The heating element is formed in the illustrated embodiment as acted upon with hot steam pipe. At the two ends of the fuel storage line 1 each a final piece 4 is arranged, which closes the interior 2 pressure-tight. In the drawing, only the one end piece 4 is shown. Each end piece 4 has a bore 5, are connected to the pipes, not shown, for maintaining a circulation of the hot steam. The heating element 3 and the bore 5 are made pressure-tight with respect to the interior 2. The fuel storage line 1 is in a conventional manner via holes in fittings 6 and a subsequent pipe 7, each with an injection valve 8 in connection.

   Between two connecting pieces 6 and a connecting piece 6 and a closing piece 4, a jacket pipe piece 9 is arranged around the fuel storage line 1, including an air gap.

Instead of a heating steam flowing through the heating element, an electric heating element can be used.

With the aid of the heating element described above, it is possible to evenly preheat the fuel in the fuel storage line 1 in a small space and thereby ensure safe engine start and engine operation with heavy oil. In addition, the time to availability of the reciprocating internal combustion engine is shortened, because the time required to get from the cold machine to the operational machine is shortened.

Claims (5)

1. Hubkolbenbrennkraftmaschine, die für Schwerölbetrieb geeignet ist, mit einer Kraftstoff unter hohem Druck führenden Kraftstoffspeicherleitung zur Versorgung von Einspritzventilen, dadurch gekennzeichnet, dass in der Kraftstoffspeicherleitung (1) ein Heizelement (3) angeordnet ist. 1. Reciprocating internal combustion engine, which is suitable for heavy oil operation, with a fuel at high pressure fuel storage line leading to the supply of injectors, characterized in that in the fuel storage line (1), a heating element (3) is arranged. 2. Hubkolbenbrennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass das Heizelement (3) konzentrisch in der Kraftstoffspeicherleitung (1) angeordnet ist. 2. reciprocating internal combustion engine according to claim 1, characterized in that the heating element (3) is arranged concentrically in the fuel storage line (1). 3. Hubkolbenbrennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass das Heizelement (3) mit Heissdampf beaufschlagt ist. 3. reciprocating internal combustion engine according to claim 1, characterized in that the heating element (3) is acted upon with hot steam. 4. Hubkolbenbrennkraftmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Heizelement (3) als elektrische Heizung ausgebildet ist. 4. reciprocating internal combustion engine according to one of claims 1 to 3, characterized in that the heating element (3) is designed as an electric heater. 5. Hubkolbenbrennkraftmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kraftstoffspeicherleitung (1) unter Einschluss eines Luftspaltes ummantelt ist. 5. Hubkolbenbrennkraftmaschine according to any one of the preceding claims, characterized in that the fuel storage line (1) is encased with the inclusion of an air gap.
CH01458/04A 2003-09-10 2004-09-03 Reciprocating internal combustion engine. CH697139A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10341708A DE10341708B4 (en) 2003-09-10 2003-09-10 reciprocating internal combustion engine

Publications (1)

Publication Number Publication Date
CH697139A5 true CH697139A5 (en) 2008-05-15

Family

ID=32921195

Family Applications (1)

Application Number Title Priority Date Filing Date
CH01458/04A CH697139A5 (en) 2003-09-10 2004-09-03 Reciprocating internal combustion engine.

Country Status (6)

Country Link
KR (1) KR20050026855A (en)
CN (1) CN100419248C (en)
CH (1) CH697139A5 (en)
DE (1) DE10341708B4 (en)
FI (1) FI122958B (en)
IT (1) ITRM20040426A1 (en)

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JP4121531B2 (en) * 2006-05-12 2008-07-23 エムエーエヌ・ディーゼル・エーエス Fuel circulation common rail fuel injection system for large two-cycle diesel engines
BRPI0705422B1 (en) * 2007-12-13 2018-07-31 Magneti Marelli Sistemas Automotivos Ind. E Com. Ltda PASSIVE HEAT DIFFUSION REGULATOR
ITTO20080271A1 (en) 2008-04-08 2009-10-09 Eltek Spa "HEATING DEVICE FOR FUEL FUEL PIPES, FUEL SUPPLY PIPE AND COMBUSTION ENGINE"
BRPI0805484A2 (en) 2008-12-02 2010-08-24 Magneti Marelli Sist Ltda fuel gallery with axially mounted heating system for ethanol cold start system
KR101135527B1 (en) * 2009-06-05 2012-04-09 현대자동차주식회사 Injection system that is fitted with fuel treatment device
DE102011006336A1 (en) 2011-03-29 2012-10-04 Robert Bosch Gmbh Preheater for high viscosity fuels
FI123449B (en) 2011-04-12 2013-05-15 Waertsilae Finland Oy Arrangement and method for controlling the fuel temperature in at least one fuel injection nozzle
ITBO20120592A1 (en) * 2012-10-29 2014-04-30 Magneti Marelli Spa FUEL SUPPLY SYSTEM PROVIDED WITH A HEATING DEVICE USING MICROWAVE FOR AN INTERNAL COMBUSTION ENGINE
CN103075284B (en) * 2013-01-06 2014-10-15 中国计量学院 Ejection system for heating and also vaporizing diesel oil by utilizing piston motion and piston temperature
CN104405549B (en) * 2014-09-28 2017-09-29 长城汽车股份有限公司 Engine

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Also Published As

Publication number Publication date
CN100419248C (en) 2008-09-17
DE10341708A1 (en) 2005-04-28
FI20041138A0 (en) 2004-08-31
DE10341708B4 (en) 2012-05-03
FI20041138A (en) 2005-03-11
KR20050026855A (en) 2005-03-16
CN1594859A (en) 2005-03-16
ITRM20040426A1 (en) 2004-12-08
FI122958B (en) 2012-09-14

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