DE969628C - Pre-chamber diesel engine - Google Patents

Pre-chamber diesel engine

Info

Publication number
DE969628C
DE969628C DED10627A DED0010627A DE969628C DE 969628 C DE969628 C DE 969628C DE D10627 A DED10627 A DE D10627A DE D0010627 A DED0010627 A DE D0010627A DE 969628 C DE969628 C DE 969628C
Authority
DE
Germany
Prior art keywords
piston
combustion chamber
main combustion
insert
chamber
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
DED10627A
Other languages
German (de)
Inventor
Eugen Stump
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.)
Daimler Benz AG
Original Assignee
Daimler Benz 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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to DED10627A priority Critical patent/DE969628C/en
Application granted granted Critical
Publication of DE969628C publication Critical patent/DE969628C/en
Expired legal-status Critical Current

Links

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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • F02B23/0693—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets the combustion space consisting of step-wise widened multiple zones of different depth
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/14—Engines characterised by precombustion chambers with compression ignition
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/04—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being subdivided into two or more chambers
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0636—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the combustion space having a substantially flat and horizontal bottom
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0642—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the depth of the combustion space being much smaller than the diameter of the piston, e.g. the depth being in the order of one tenth of the diameter
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/16—Indirect injection
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

Vorkammerdieselmaschine Die Erfindung bezieht sich auf eine Vorkammerdieselmaschine mit einem die Vorkammer gegen den Hauptbrennraum abschließenden, in diesen hineinragenden und im wesentlichen halbkugelförmigen Einsatzboden mit am Umfange desselben angeordneten Durchtrittsöffnungen zum Hauptbrennraum, wobei der Kolben mit einer den Hauptbrennraum bildenden flachen Mulde mit einer zusätzlichen örtlichen Vertiefung versehen ist, in welche im oberen Kolbentotpunkt der halbkugelförmige Boden des den Hauptbrennraum durchsetzenden und allseitig von diesem umgebenen Vorkammereinsatzes derart eintritt, daß er von der Kolbenbodenwandung mit geringem Spielraum umschlossen wird, nach Patent 863 428. Dadurch, daß der Hauptbrennraum entsprechend dem Hauptpatent durch eine flache Mulde gebildet wird, auf die sich im oberen Kolbentotpunkt der aus den seitlichen Öffnungen des Einsatzes heraustretende Vorkammerinhalt verteilen kann, läßt sich ein sehr gleichmäßiges Gemisch im Hauptbrennraum erreichen. Durch die Anordnung einer örtlichen Vertiefung innerhalb der Kolbenmulde, in welche der Boden des Vorkammereinsatzes im oberen Kolbentotpunkt eintritt, wird der Einsatzboden gegenüber den heißen Verbrennungsgasen im Hauptbrennraum soweit abgeschirmt, daß er im oberen Totpunkt nicht- unmittelbar von den im Hauptbrennraum sich ausbreitenden Flammen getroffen wird. Die thermische Beanspruchung des Einsatzbodens kann dadurch wesentlich herabgesetzt werden. Durch die halbkugelförmige Ausbildung des Einsatzbodens kann gleichzeitg eine verhältnismäßig große mechanische Festigkeit des Einsatzbodens erzielt werden.Pre-Chamber Diesel Engine The invention relates to a pre-chamber diesel engine with one that closes the antechamber from the main combustion chamber and projects into it and substantially hemispherical insert bottom with the same arranged on the periphery Passage openings to the main combustion chamber, the piston with one of the main combustion chamber forming shallow trough is provided with an additional local depression, in which in the top dead center of the piston the hemispherical bottom of the main combustion chamber penetrating and on all sides surrounded by this antechamber insert occurs in such a way that that it is enclosed by the piston bottom wall with little clearance, according to Patent 863 428. Because the main combustion chamber is in accordance with the main patent a shallow trough is formed, on which in the top dead center of the piston from the can distribute the pre-chamber contents emerging from the side openings of the insert, a very even mixture can be achieved in the main combustion chamber. Through the Arrangement of a local depression within the piston bowl, in which the bottom of the antechamber insert occurs in the top dead center of the piston, the insert bottom becomes shielded from the hot combustion gases in the main combustion chamber to such an extent that it in the top dead center not directly from the spreading in the main combustion chamber Flames is hit. The thermal stress on the insert base can thereby can be significantly reduced. Due to the hemispherical training of Insert bottom can at the same time have a relatively high mechanical strength of the insert bottom can be achieved.

Der im Hauptpatent vorgesehene Einsatzboden hat hierbei gleichmäßige Wandstärke, was unter Umständen thermisch ungünstig ist. Die Erfindung bezweckt demgegenüber eine weitere Verbesserung der thermischen Bedingungen im Vorkammereinsatz und besteht im wesentlichen darin, daß die Wandstärke des im oberen Kolbentotpunkt in die örtliche Vertiefung ei,ntret#enden und von der Wan-Jung derselbenumschlossenen, im wesantlichenlialbkugelförmigen Einsatzbodens in an sich bekannter Weise in dessen mittlerem Teil am stärksten ist und nach dem Umfange zu allmählich abnimmt.The insert base provided in the main patent has a uniform base Wall thickness, which may be thermally unfavorable. The invention aims in contrast, a further improvement in the thermal conditions in the antechamber and consists essentially in the fact that the wall thickness of the piston top dead center to step into the local depression and to be enclosed by the wan-jung of the same, in the essentially spherical insert base in a manner known per se in its middle part is strongest and gradually decreases in circumference.

Hierdurch kann die nach dem Hauptpatent angestrebte Erhöhung der Haltbarkeit und Lebensdauer des Einsatzes weiter erhöht werden. Ein Durchbrennen des Einsatzes an der thermisch am stärksten belasteten Stelle der das Innere des Einsatzes gegen den Hauptbrennraum abschließenden Wandung tritt auch bei höchsten Belastungen der Maschine praktisch nicht mehr auf. Trotz der sich nach dem Umfang zu verringernden Wandstärke des Einsatzes kann die Wärme in genügender Weise in den zylindrischen Teil des Einsatzes und von dort auf die wassergekühlten Wandungen des Zylinderkopfes abfließen, da der abfließenden Wärme radial von der Achse des Einsatzes aus ein sich mit dem Umfang vergrößernder Querschnitt zur Verfügung steht.This enables the increase in durability sought after in the main patent and service life of the insert can be further increased. A burn through of the insert at the most thermally stressed point of the inside of the insert the wall closing off the main combustion chamber occurs even with the highest loads Machine practically no longer on. Despite decreasing in size Wall thickness of the insert can heat the cylindrical in a sufficient way Part of the insert and from there to the water-cooled walls of the cylinder head flow away, as the dissipating heat enters radially from the axis of the insert with the circumference increasing cross-section is available.

Es sind zwar Vorkammermaschinen mit Einsätzen bekannt, bei denen die Wandstärke des Einsatzbodens größer als die Wandstärke der zylindrischen Einsatzteile ist, doch ist der Einsatzboden nicht durch eine im Kolben angeordnete örtliche Vertiefung im Kolbentotpunkt abgeschirmt, vielmehr treten Einsatzboden und Kolbenboden mittels ebener Flächen gegeneinander. Die thermische Beanspruchung und die mechanische Festigkeit ist dadurch geringer.There are known pre-chamber machines with inserts in which the Wall thickness of the insert base greater than the wall thickness of the cylindrical insert parts is, but the insert bottom is not through a local recess arranged in the piston shielded in the piston dead center, rather insert bottom and piston top step by means of flat surfaces against each other. The thermal stress and the mechanical strength is therefore lower.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Hierbei zeigt Fig. i einen Querschnitt durch die Vorkammer und den Hauptbrennraum und Fig. 2 einen Querschnitt nach Linie 2-2 der Fig. 1. In den Zylinderkopf io ist der Einsatz 11 der Vorkammer 12 eingesetzt, in welche der Brennstoff mittels einer Düse 13 eingespritzt wird. Der Hauptbrennraum wird durch eine flache Vertiefung 14 im Kolbenboden des Kolbens 15 gebildet, welcher im Zylinder 16 derart auf- und abwärts gleitet, daß er im oberen Kolbentotpunkt die in der Zeichnung dargestellte Lage einnimmt. Neben der schräg und exzentrisch angeordneten Vorkammer 12 sind z. B. je ein Einlaß- und Auslaßventil 17 angeordnet.An exemplary embodiment of the invention is shown in the drawing. Here, FIG. I shows a cross section through the antechamber and the main combustion chamber and Fig. 2 is a cross-section along line 2-2 of Fig. 1. In the cylinder head io the insert 11 of the prechamber 12 used, in which the fuel by means of a Nozzle 13 is injected. The main combustion chamber is created by a shallow depression 14 formed in the piston head of the piston 15, which in the cylinder 16 in such a way and slides downwards that it is the one shown in the drawing in the top dead center of the piston Position. In addition to the obliquely and eccentrically arranged antechamber 12 are z. B. each an inlet and outlet valve 17 is arranged.

Auf der der Einspritzdüse gegenüberliegenden Seite verengt sich die Vorkammer zu einem kanalförmigen Raum 18, welcher durch den zylindrischen Teil 1g und den Boden 2o des Einsatzes Ir gebildet wird. Der Einsatz ragt hierbei verhältnismäßig weit in den Hauptbrennraum hinein, so daß im oberen Kolbentotpunkt der Einsatzboden 2o in eine örtliche zusätzliche Vertiefung 21 des Kolbenbodens eintritt. Der Einsatzboden 2o schließt hierbei halbkugelförmig an den zylindrischen Teil ig des Einsatzes an und weist an seinem Umfang Bohrungen 22 bis 26 auf, von denen die nach der Zylinderachse zu gelegenen Bohrungen einen jeweils größeren Durchmesser als die nach der entgegengesetzten Seite liegenden Bohrungen haben und von der Bohrung 22 bis zur Bohrung 26 abnehmend abgestuft sind. Die Abstufung ist hierbei den jeweils mit Brennstoff zu beliefernden Raumteilen des Häuptbrennraumes angepaßt. Die Bohrungen sind ferner leicht nach abwärts gegen den Kolbenboden geneigt.The is narrowed on the side opposite the injection nozzle Antechamber to a channel-shaped space 18, which through the cylindrical part 1g and the bottom 2o of the insert Ir is formed. The use stands out here proportionally far into the main combustion chamber, so that the bottom of the insert is in the top dead center of the piston 2o enters a local additional recess 21 of the piston head. The insert shelf 2o here connects hemispherically to the cylindrical part ig of the insert and has bores 22 to 26 on its circumference, of which those after the cylinder axis to located bores each have a larger diameter than the one after the opposite one Side lying bores and decreasing from the bore 22 to the bore 26 are graded. The gradation is to be supplied with fuel in each case Adapted to parts of the main combustion chamber. The holes are also easy to follow inclined downwards against the piston crown.

Der Einsatzboden 2o ist ferner derart ausgebildet, daß der Mittelpunkt für die innere Wandungsfläche des Bodens oberhalb des Mittelpunktes für die äußere Wandungsfläche liegt, der Boden also in Achsrichtung x-x der Vorkammer eine größere Wandstärke d1 als im zylindrischen Teil 1g (d2) hat.The insert base 2o is also designed in such a way that the center point for the inner wall surface of the floor above the center point for the outer one Wall surface lies, so the floor is larger in the axial direction x-x of the antechamber Wall thickness d1 than in the cylindrical part 1g (d2).

Claims (1)

PATENTANSPRUCH: Vorkammerdieselmaschine mit einem die Vorkammer gegen den Hauptbrennraum abschließenden, in diesen hineinragenden und im wesentlichen halbkugelförmigen Einsatzboden mit am Umfange desselben angeordneten Durchtrittsöffnungen zum Hauptbrennraum, wobei der Kolben mit einer den Hauptbrennraum bildenden flachen Mulde mit einer zusätzlichen örtlichen Vertiefung versehen ist, in welche im oberen Kolbentotpunkt der halbkugelförmige Boden des den Hauptbrennraum durchsetzenden und allseitig von diesem umgebenen Vorkaminereinsatzes derart eintritt, daß er von der Kolbenbodenwandung mit geringem Spielraum umschlossen wird, nach Patent 863 428, dadurch gekennzeichnet, daß die Wandstärke des im oberen Kolbentotpunkt in die örtliche Vertiefung eintretenden und von der Wandung derselben umschlossenen, im wesentlichen halbkugelförmigen Einsatzbodens in an sich bekannter Weise in dessen mittlerem Teil am stärksten ist und nach dem Umfange zu allmählich abnimmt. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 739 194, 536 634, 679 159, 302 239; schweizerische Patentschrift Nr. 231 324; französische Patentschrift Nr. 595 616; USA.-Patentschrift Nr. 1907 095; F. Ernst Bielefeld, Die Patente über Vorkammer-Dieselmaschinen, Hamburg 1926, S.115; Motortechnische Zeitschrift (MTZ), 1943, S. 123 bis i27. In Betracht gezogene ältere Rechte: Deutsche Patente Nr. 863 428, 938 1o2.PATENT CLAIM: Pre-chamber diesel engine with an essentially hemispherical insert bottom, which closes the pre-chamber from the main combustion chamber, protrudes into the latter and has through-openings to the main combustion chamber arranged on the circumference, the piston being provided with a flat depression forming the main combustion chamber with an additional local depression in which the upper piston dead point the hemispherical bottom of the pre-chimney insert which penetrates the main combustion chamber and is surrounded on all sides by this enters in such a way that it is enclosed by the piston bottom wall with little clearance, according to patent 863 428, characterized in that the wall thickness of the piston entering the local depression in the upper piston dead point and The essentially hemispherical insert base enclosed by the wall thereof is thickest in its central part in a manner known per se and gradually decreases in size. Considered publications: German Patent Nos. 739 194, 536 634, 679 159, 3 0 2 239; Swiss Patent No. 231 324; French Patent No. 595,616; U.S. Patent No. 1,907,095; F. Ernst Bielefeld, The patents on pre-chamber diesel machines, Hamburg 1926, p.115; Motortechnische Zeitschrift (MTZ), 1943, pp. 123 to i27. Earlier rights considered: German patents No. 863 428, 938 1o2.
DED10627A 1951-11-03 1951-11-03 Pre-chamber diesel engine Expired DE969628C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED10627A DE969628C (en) 1951-11-03 1951-11-03 Pre-chamber diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED10627A DE969628C (en) 1951-11-03 1951-11-03 Pre-chamber diesel engine

Publications (1)

Publication Number Publication Date
DE969628C true DE969628C (en) 1958-06-26

Family

ID=7033389

Family Applications (1)

Application Number Title Priority Date Filing Date
DED10627A Expired DE969628C (en) 1951-11-03 1951-11-03 Pre-chamber diesel engine

Country Status (1)

Country Link
DE (1) DE969628C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197680B (en) * 1963-07-10 1965-07-29 Daimler Benz Ag Pre-chamber injection internal combustion engine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE302239C (en) *
FR595616A (en) * 1924-04-12 1925-10-06 Motorenfabrik Oberursel Improvement to heavy oil engines with ignition chamber
DE536634C (en) * 1929-03-10 1931-10-24 Humboldt Deutzmotoren Akt Ges Pre-chamber training for four-stroke small diesel engines with side-mounted pre-chamber
US1907095A (en) * 1921-11-03 1933-05-02 Fairbanks Morse & Co Internal combustion engine
DE679159C (en) * 1937-03-19 1939-07-29 Lanova G M B H Air storage diesel engine with a preferably heart-shaped combustion chamber separated from the cubic capacity
DE739194C (en) * 1941-06-20 1943-09-14 Maschf Augsburg Nuernberg Ag Pre-chamber injection internal combustion engine with a laterally arranged pre-chamber
CH231324A (en) * 1942-10-02 1944-03-15 Daimler Benz Ag Method and device for processing and introducing liquid fuel into the combustion chamber of internal combustion engines.
DE863428C (en) * 1951-01-17 1953-01-19 Daimler Benz Ag Diesel engine with an antechamber
DE938102C (en) * 1951-04-06 1956-01-19 Daimler Benz Ag Diesel engine with an antechamber

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE302239C (en) *
US1907095A (en) * 1921-11-03 1933-05-02 Fairbanks Morse & Co Internal combustion engine
FR595616A (en) * 1924-04-12 1925-10-06 Motorenfabrik Oberursel Improvement to heavy oil engines with ignition chamber
DE536634C (en) * 1929-03-10 1931-10-24 Humboldt Deutzmotoren Akt Ges Pre-chamber training for four-stroke small diesel engines with side-mounted pre-chamber
DE679159C (en) * 1937-03-19 1939-07-29 Lanova G M B H Air storage diesel engine with a preferably heart-shaped combustion chamber separated from the cubic capacity
DE739194C (en) * 1941-06-20 1943-09-14 Maschf Augsburg Nuernberg Ag Pre-chamber injection internal combustion engine with a laterally arranged pre-chamber
CH231324A (en) * 1942-10-02 1944-03-15 Daimler Benz Ag Method and device for processing and introducing liquid fuel into the combustion chamber of internal combustion engines.
DE863428C (en) * 1951-01-17 1953-01-19 Daimler Benz Ag Diesel engine with an antechamber
DE938102C (en) * 1951-04-06 1956-01-19 Daimler Benz Ag Diesel engine with an antechamber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197680B (en) * 1963-07-10 1965-07-29 Daimler Benz Ag Pre-chamber injection internal combustion engine

Similar Documents

Publication Publication Date Title
DE2517066C2 (en) Externally ignited reciprocating internal combustion engine with hydrogen as the only fuel
DE1197680B (en) Pre-chamber injection internal combustion engine
DE69007398T2 (en) Alcohol internal combustion engine with prechamber.
DE969628C (en) Pre-chamber diesel engine
DE3207179C2 (en)
DE1272620B (en) Air-compressing, self-igniting internal combustion engine, especially for multi-fuel operation
DE676997C (en) Self-igniting, air-compressing internal combustion engine
CH225634A (en) Internal combustion engine.
DE723709C (en) Injection internal combustion engine with at least one mixing chamber arranged in the piston
DE691036C (en) Air storage diesel engine
DE938102C (en) Diesel engine with an antechamber
CH195729A (en) Pre-chamber internal combustion engine.
DE837486C (en) Two-stroke internal combustion engine with compression ignition
DE967752C (en) Air-compressing injection internal combustion engine with self-ignition and an antechamber
DE863427C (en) Four-stroke internal combustion engine
DE727535C (en) Internal combustion engine with star-shaped working cylinders
DE966933C (en) Pre-chamber diesel engine
DE867328C (en) Conversion of an internal combustion engine that works with mixture compression and external ignition
DE568103C (en) Injection internal combustion engine
DE941525C (en) Internal combustion engine with a divided combustion chamber
DE891948C (en) High-speed, mixture-compressing four-stroke internal combustion engine working with spark ignition
CH229688A (en) Injection internal combustion engine.
DE964647C (en) Internal combustion engine working with air compression and self-ignition
DE109280C (en)
DE461862C (en) Injection engine with a simplified air compressor