DE749356C - Internal combustion engine working according to the diesel process for easy-igniting, heavily coking heating oils - Google Patents

Internal combustion engine working according to the diesel process for easy-igniting, heavily coking heating oils

Info

Publication number
DE749356C
DE749356C DE1942749356D DE749356DD DE749356C DE 749356 C DE749356 C DE 749356C DE 1942749356 D DE1942749356 D DE 1942749356D DE 749356D D DE749356D D DE 749356DD DE 749356 C DE749356 C DE 749356C
Authority
DE
Germany
Prior art keywords
igniting
internal combustion
combustion engine
heavily
easy
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.)
Expired
Application number
DE1942749356D
Other languages
German (de)
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 filed Critical
Application granted granted Critical
Publication of DE749356C publication Critical patent/DE749356C/en
Expired legal-status Critical Current

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Classifications

    • 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
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • 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
    • F02B2720/00—Engines with liquid fuel
    • F02B2720/22—Four stroke engines
    • F02B2720/226—Four stroke engines with measures for improving combustion
    • 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
    • F02B2720/00—Engines with liquid fuel
    • F02B2720/23—Two stroke engines
    • F02B2720/237—Two stroke engines with measures for improving combustion

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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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

Nach dem Dieselverfahren arbeitende Brennkraftmaschine für leicht zündende, stark verkokende Heizöle Die Erfindung bezieht sich auf Brennkraftrnaschinen, die nach dem Dieselverfahren arbeiten und mit leicht zündenden, stark verkokenden Heizölen betrieben werden.Internal combustion engine operating according to the diesel process for light igniting, heavily coking fuel oils The invention relates to internal combustion engines, that work according to the diesel process and with easily igniting, heavily coking Fuel oils are operated.

Heizöle sind bekanntlich die höher als das normale Gasäl siedenden Anteile des Roherdöl-es und haben die Eigenschaft, nur unvollständig zu verbrennen, wenn die den Verbrennungsvorgang einleitende Temperatur zu niedrig liebt. Die in diesem Falle sich bildenden Rückstände gelangen zur Verkokung und verschmutzen den Brennraum und die Abgasleitung. Abhilfe kann hier dadurch geschaffen werden, daß die den Verbrennungsvorgang einleitende Temperatur erhöht und .dadurch der Vorgang in einen Bereich höherer Temperaturen verschoben wird. Es besteht die Möglichkeit, zu diesem Zweck das Verdichtungsverhältnis der Brennkraftmaschine zu erhöhen, jedoch hat dies den Nachteil, daß das Triebwerk verstärkt werden muß und die Maschine einen härteren Gang erhält. Erfindungsgemäß wird der Verbrennungsvorgang dadurch in einen Bereich höherer Temperaturen verschoben, daß mittels einer besonderen Pumpe jeweils kurz vor dem Heizöl eine kleine Menge dünnflüssigen' und leicht zündenden Kraftstoffes einbespritzt wird. Die Temperaturerhöhung der vorverdichteten Verbrennungsluft wird hierbei durch die Verbrennung des voreingespritzten Kraftstoffes bewirkt. Voreinspritzmenge und Voreinspritzzeitpunkt sind jeweils der betreffenden Brennkraftmasch:ne und den Eigenschaften des Heizöles anzupassen und können durch Versuche ermittelt werden.Heating oils are known to have a higher boiling point than normal gas oil Proportions of the crude oil and have the property of only incompletely burning, when the temperature initiating the combustion process is too low. In the In this case formed residues come to coking and pollute the Combustion chamber and the exhaust pipe. This can be remedied by the fact that the temperature that initiates the combustion process increases and, as a result, the process is shifted to a range of higher temperatures. There is the possibility for this purpose to increase the compression ratio of the internal combustion engine, however this has the disadvantage that the engine must be strengthened and the machine one gets tougher gear. According to the invention, the combustion process is thereby in one Range of higher temperatures shifted that by means of a special pump each shortly before the heating oil, a small amount of thin and easily igniting fuel is injected. The temperature increase of the pre-compressed combustion air is caused by the combustion of the pre-injected fuel. Pre-injection quantity and pre-injection time are each of the relevant internal combustion engine: ne and den Adjust the properties of the heating oil and can be determined through experiments.

Die Voreinspritzung leicht zündenden Kraftstoffes bei Brennkraftmaschinen ist als Zündhilfe für schwer zündende Kraftstoffe bereits bekannt, wobei in einem besonderen Falle zwecks Vermeidung von Rückständen, die sich hierbei dadurch bilden, daß der schwer zündende Kraftstoff nur teilweise von der Zündhilfe erfaßt und entzündet wird, die Einspritzvenfile- der bekannten Brennkraft-und angeordnet sind.The pre-injection of easily igniting fuel in internal combustion engines is already known as an ignition aid for difficult-to-ignite fuels, whereby in one special case for the purpose of avoiding residues that are thereby formed, that the poorly igniting fuel is only partially detected and ignited by the ignition aid will the Injection valve - the known internal combustion engine - and arranged are.

.daß die Entziinclung des Hauptkraftstoffes von mehreren Punkten im Brennraum aus gleichzeitig erfolgt..that the ignition of the main fuel from several points in the Combustion chamber takes place at the same time.

Claims (1)

PATENTANSPIZ UCH Zach dem Dieselverfahren arbeitende Brennkraftmaschine für leicht zündende. stark verkokende Heizöle, dadurch gekennzeichnet, daß zwecks Vermeidung der Verkokung mittels einer besonderen Pumpe jeweils kurz vor dem Heizöl eine kleine Menge (Iiinnflüssigen und leicht zündenden Kraftstoffes eingespritzt wird. Zur Abgrenzung des _lmneldungsgegenstandes vom Stand der Technik ist iin Erteilungsverfahren folgende Druckschrift in Betracht gezogen worden: deutsche Patentschrift ...... .N r. 681) 957. PATENT PENDING Zach the diesel process internal combustion engine for lightly igniting. Heavily coking fuel oils, characterized in that, in order to avoid coking, a small amount of liquid and easily igniting fuel is injected by means of a special pump by means of a special pump : German patent specification ...... .N r. 681) 957.
DE1942749356D 1942-01-18 1942-01-18 Internal combustion engine working according to the diesel process for easy-igniting, heavily coking heating oils Expired DE749356C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE749356T 1942-01-18

Publications (1)

Publication Number Publication Date
DE749356C true DE749356C (en) 1944-11-22

Family

ID=6649279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1942749356D Expired DE749356C (en) 1942-01-18 1942-01-18 Internal combustion engine working according to the diesel process for easy-igniting, heavily coking heating oils

Country Status (1)

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DE (1) DE749356C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032024B (en) * 1952-06-23 1958-06-12 Texaco Development Corp Internal combustion engine
DE2901210A1 (en) * 1979-01-13 1980-07-17 Kloeckner Humboldt Deutz Ag METHOD FOR OPERATING AN AIR COMPRESSING, SELF-IGNITIONING INTERNAL COMBUSTION ENGINE

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680957C (en) * 1936-10-02 1939-09-11 Kloeckner Humboldt Deutz Akt G Self-igniting, air-compressing internal combustion engine intended for operation with tar oil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680957C (en) * 1936-10-02 1939-09-11 Kloeckner Humboldt Deutz Akt G Self-igniting, air-compressing internal combustion engine intended for operation with tar oil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032024B (en) * 1952-06-23 1958-06-12 Texaco Development Corp Internal combustion engine
DE2901210A1 (en) * 1979-01-13 1980-07-17 Kloeckner Humboldt Deutz Ag METHOD FOR OPERATING AN AIR COMPRESSING, SELF-IGNITIONING INTERNAL COMBUSTION ENGINE

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