DE767125C - Injection internal combustion engine with an at least approximately spherical mixing chamber arranged in the piston - Google Patents

Injection internal combustion engine with an at least approximately spherical mixing chamber arranged in the piston

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Publication number
DE767125C
DE767125C DEV37937D DEV0037937D DE767125C DE 767125 C DE767125 C DE 767125C DE V37937 D DEV37937 D DE V37937D DE V0037937 D DEV0037937 D DE V0037937D DE 767125 C DE767125 C DE 767125C
Authority
DE
Germany
Prior art keywords
mixing chamber
piston
opening
patent specification
internal combustion
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
DEV37937D
Other languages
German (de)
Inventor
Hans Villinger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEV37937D priority Critical patent/DE767125C/en
Application granted granted Critical
Publication of DE767125C publication Critical patent/DE767125C/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
    • 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
    • F02B23/0603—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 at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • 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
    • F02B23/0618—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 having in-cylinder means to influence the charge motion
    • F02B23/0627—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 having in-cylinder means to influence the charge motion having additional bores or grooves machined into the piston for guiding air or charge flow to the piston bowl
    • 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
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/066—Details related to the fuel injector or the fuel spray the injector being located substantially off-set from the cylinder centre axis
    • 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
    • F02B23/0675—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 being substantially spherical, hemispherical, ellipsoid or parabolic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/28—Other pistons with specially-shaped head
    • 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
    • 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
    • F02B23/0618—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 having in-cylinder means to influence the charge motion
    • F02B23/0621—Squish flow
    • 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)
  • Ceramic Engineering (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

Einspritz-Brennkraftmaschine mit einer im Kolben angeordneten, mindestens angenähert kugelförmigen Mischkammer Brennkraftmaschinen, in deren Kolben eine Mischkarrimer vorgesehen ist, welche mit dem Zylinderraum durch eine schlitzartige Durchtrittsöffnung verbunden ist und bei welcher der Brennstoff vollständig durch eine seitlich im Kolben liegende, kegelig gegen die Mischkammer zu sich erweiternde Eintrittsöffnung eingespritzt wird, sind in verschiedenen Ausführungen bekannt. So sind z. B. schon Einspritz-Brennkraftmaschinen vorgeschlagen worden, bei welchen die Mischkammer ungefähr Kugelform aufweist. Diese Bauart von Einspritz-Brennkraftmaschinen ermöglicht es, den Brennstoff vollständig in die Mischkammer einzuspritzen, ohne daß er auf die die Mischkammer nach oben abschließende Wand oder seitliche Teile derselben auftrifft, und es wird dadurch erreicht, daß sich Brennstoff an diesen Teilen nicht niederschlagen und zu Rußbildung Anlaß geben könnte. Es wird hierbei auch eine wirksame Durchwirbelung der Mischkammer erzielt, welche sich günstig auf die Verbrennung auswirkt.Injection internal combustion engine with one arranged in the piston, at least approximated spherical mixing chamber internal combustion engines, in the piston of which a mixing chamber is provided, which is connected to the cylinder space through a slot-like passage opening is connected and in which the fuel is completely through a side in Piston lying, conical inlet opening widening towards the mixing chamber is injected, are known in various designs. So are z. B. already Injection internal combustion engines have been proposed in which the mixing chamber approximately spherical in shape. This type of injection internal combustion engine is made possible it to fully inject the fuel into the mixing chamber without it the wall that closes off the mixing chamber at the top or lateral parts of the same and it is achieved that fuel does not attach to these parts precipitate and give rise to soot formation. It will also be an effective one Whirling through the mixing chamber is achieved, which is beneficial to the combustion affects.

Die vorliegende Erfindung betrifft eine weitere Ausbildung einer Einspritz-Brennkraftmaschine dieser Art, bei welcher die Mischkammer mindestens angenähert Kugelform aufweist. Erfindungsgemäß ist dabei die kreisbogenförmige, schlitzartige Durchtrittsöffnung, die mindestens angenähert tangential in die Mischkammer mündet, in bezug auf den Umfang der Mischkammer schräg gerichtet, derart, daß die aus dem Zylinderraum in die Mischkammer verdrängte Luft in der Mischkammer in einen spiralartigen Wirbel versetzt wird. Es ergibt sich hierbei eine noch bessere Durchwirbelung von Lul-t und Brennstoff und die Eigenart der so entstehenden Luftwirbel verhindert das Auftreffen von Brennstoffteilchen auf die Wandung der 1lischkammer, so daß Fußbildung vollständig vermieden und eine sehr gute Ausnutzung des Brennstoffes erzielt wird.The present invention relates to a further embodiment of an injection internal combustion engine of this type, in which the mixing chamber is at least approximately spherical in shape. According to the invention, the arc-shaped, slot-like passage opening, which opens at least approximately tangentially into the mixing chamber, with respect to the Perimeter of the mixing chamber directed obliquely, such that the from the cylinder space in the mixing chamber displaced air in the mixing chamber into a spiral-like one Vortex is displaced. This results in an even better turbulence of Lul-t and fuel and the peculiarity of the resulting air vortices prevented the impact of fuel particles on the wall of the 1lischkammer, so that foot formation completely avoided and a very good utilization of the fuel is achieved.

In der Zeichnung ist beispielsweise eine Ausführungsform des Erfindungsgegenstandes veranschaulicht. Es zeigt Abb. i einen axialen Schnitt durch einen Zylinder und Kolben einer Einspritz-Brennkraftmaschine gemäß der Erfindung, und Abb. 2 eine Draufsicht auf den Kolben derselben.The drawing shows, for example, an embodiment of the subject matter of the invention illustrated. It shows Fig. I an axial section through a cylinder and Piston of an injection internal combustion engine according to the invention, and Fig. 2 is a plan view on the piston of the same.

.Mit i ist ein Zylinder und mit "2 ein Kolben einer Einspritz-Brennkraftmaschine bezeichnet. Im Kolben :2 ist eine kugelförmige Mischkammer 3 vorgesehen, welche nach oben durch eine in den Kolben 7 eingesetzte, aus hochhitzebeständigem Stahl bestehende Platte d. gegen den Zylinderraum 5 abgeschlossen ist. Der oberste Teil der kugelförmigen Mischkammer 3 liegt dabei in der Platte ,4. In dieser Platte q. ist eine kreisbogenförmige, schlitzartige Durchtrittsöffnung 6 vorhanden, «-elche die Mischkammer 3 mit dem Zylinderraum 5 verbindet. Diese Durchtrittsöffnung 6 mündet mindestens angenähert tangential in die Mischkammer 3 und ist nicht nur schräg durch die Platte .I geführt, sondern liegt auch schräg in bezug auf den Umfang der llischlcammer 3. Sie kann, wie aus Abb.2 ersichtlich ist, so ausgebildet sein, daß sie sich gegen die Mischkammer 3 zu etwas erweitert. Seitlich ist im Kolben :2 eine Eintrittsöffnung 7 vorgesehen, welche sich gegen die 1lischkammer 3 zu kegelig erweitert. Der Öffnungswinkel dieser kegelig sich erweiternden Eintrittsöffnung 7 ist mindestens so groß wie derjenige des Brennstoffstrahles einer seitlich am Zylinder i angeordneten Düse B. Die äußere Öffnung dieser Eintrittsöffnung 7 ist so weit, daß vor Erreichen der oberen Totpunktlage des Kolbens 2 durch die Düse 8 der gesamte Brennstoff durch sie eingespritzt werden kann, ohne daß Brennstoffteilchen gegen ihre Kanten und, dank der kegeligen Erweiterung der Eintrittsöffnung 7, gegen deren Wandungen gespritzt ,cerden. Die Anordnung der Düse S einerseits und der Eintrittsöffnung 7 anderseits ist derart, daß in der 'Mitte der Einspritzdauer ihre Achsen zusammenfallen. Die 'Mündung der schlitzartigen Durchtrittsöffnung 6 in die Mischkammer 3 liegt mindestens angenähert gegenüber der 'Mündung der Eintrittsöffnung 7 in dieselbe. Beim Kompressionshub, d. lt. bei der Aufwärtsbewegung des Kolbens 2 wird die im Zyliaderraum 3 befindliche Luft durch die kreisbogenförmige, schlitzartige Durchtrittsöffnung 6 in die kugelförmige 'Mischkammer., verdrängt, wobei in derselben ein kräftiger, infolge der in bezug auf den C mfang der Mischkammer 3 schrägen Lage der Durchtrittsöffnung 6 spiralartiger Luftwirbel erzeugt wird. In diesen Luftwirbel wird der Brennstoff von der Düse ö durch die Eintrittsöffnung 7 eingespritzt, wobei eine äußerst intensive Durchwirbelung von Luft und Brennstoff erzielt wird. Der an der Mündung der Durchtrittsöffnung 6, welche der Eintrittsöffnung 7 mindestens angenähert gegenüberliegt, naturgemäß schärfste Luftstrom verhindert ein Auftreffen des Brennstoffstrahles auf die Wandung der Mischkammer 3, da er alle Brennstoffteilchen mitreißt. Die sehr gute Durchmischung von Verbrennungsluft und Brennstoff wirkt sich in einer praktisch vollständigen, rauch- und geruchlosen Verbrennung aus. Diese Einspritz - Brennkraftmaschine zeichnet sich deshalb durch praktisch restlose Ausnutzung des Brennstoffes, also geringen Brennstoffverbrauch, sowie durch einen bei jeder Belastung klopffreien Gang aus.With i a cylinder and with "2 a piston of an injection engine designated. In the piston: 2 a spherical mixing chamber 3 is provided which upwards through a made of heat-resistant steel inserted into the piston 7 existing plate d. is completed against the cylinder space 5. The top part the spherical mixing chamber 3 lies in the plate, 4. In this plate q. an arcuate, slot-like passage opening 6 is present, «-elche the mixing chamber 3 connects to the cylinder space 5. This passage opening 6 opens at least approximately tangentially into the mixing chamber 3 and is not only obliquely through the plate .I out, but is also inclined with respect to the circumference of the llischlcammer 3. It can, as can be seen from Fig.2, be designed so that it is against the mixing chamber 3 expanded to something. On the side of the piston: 2 is an inlet opening 7 is provided, which widens conically towards the 1lischkammer 3. The opening angle this conically widening inlet opening 7 is at least as large as that the fuel jet of a laterally arranged on the cylinder i nozzle B. The outer Opening of this inlet opening 7 is so wide that before reaching the top dead center position of the piston 2 through the nozzle 8, all of the fuel is injected through it can without fuel particles against their edges and, thanks to the conical extension the inlet opening 7, sprayed against the walls, cerden. The arrangement of the Nozzle S on the one hand and the inlet opening 7 on the other hand is such that in the 'middle their axes coincide with the injection duration. The 'mouth of the slot-like passage opening 6 in the mixing chamber 3 is at least approximately opposite the 'mouth of the inlet opening 7 in the same. During the compression stroke, i. according to the upward movement of the piston 2, the air in the cylinder 3 is passed through the arcuate, slit-like Passage opening 6 in the spherical 'mixing chamber., Displaced, in the same a strong one, due to the inclined position in relation to the C mfang of the mixing chamber 3 the passage opening 6 spiral-like air vortex is generated. In this vortex of air the fuel is injected from the nozzle ö through the inlet opening 7, wherein an extremely intensive swirling of air and fuel is achieved. Of the at the mouth of the passage opening 6, which of the inlet opening 7 is at least approximately opposite, naturally the sharpest air flow prevents impact of the fuel jet on the wall of the mixing chamber 3, since it contains all fuel particles carried away. The very good mixing of combustion air and fuel works results in a practically complete, smokeless and odorless combustion. These Injection - internal combustion engine is therefore characterized by practically complete utilization of fuel, i.e. low fuel consumption, as well as by one with each Load from knock-free gear.

Claims (1)

PATHNTa\SYRLCH: Einspritz-Brenrikraftinaschine mit einer im Kolben angeordneten, mindestens angenähert kugelförmigen 'Mischkammer, «-elche mit dem Zylinderraum durch eilte schlitzartige, kreisbogenförmige, mindestens angenähert tangential in die Mischkammer mündende Durchtrittsöffnung verbunden ist und bei welcher der Brennstoff vollständig durch eine seitlich am Kolben liegende, kegelig gegen die Miscbkarnmer zu sich erweiternde Eintrittsöffnung eingespritzt wird, dadurch gekennzeichnet, daß die kreisbogenförmige, schlitzartige Durchtrittsöffnung (6) in bezug auf den Umfang der Mischkatnnter @3) schräg gerichtet ist, derart, dalf die aus dein ZvIinderrautn (3) in die Mischkammer (3) verdrängte Luft in der llischkaminer (3) in einen spiralartigen Wirbel versetzt wird. Zur Abgrenzung des Erfindrngsgegenstands vom Stand der Technik sind im Erteilungsverfahren folgende Druckschriften in Betracht gezogen «-orden Deutsche Patentschrift \r. 6iv; 6o2: französische Patentschrift Zr. 7N6 912 : schweizerische Patentschrift `r. 175 -M33: britische Patentschriften -Nr. 3944o3, 457 192, 481 896.PATHNTa \ SYRLCH: Injection firing engine with an at least approximately spherical mixing chamber arranged in the piston, "-elche" is connected to the cylinder space by hurried slot-like, circular arc-shaped, at least approximately tangential opening opening into the mixing chamber and in which the fuel is completely connected by a side The inlet opening, which is located on the piston and is conically widening towards the mixing chamber, is injected, characterized in that the arcuate, slot-like passage opening (6) is directed obliquely with respect to the circumference of the mixing chamber 3) so that the inlet opening from the mixing chamber (3) is directed obliquely ) in the mixing chamber (3) displaced air in the llischkaminer (3) is set in a spiral-like vortex. In order to distinguish the subject matter of the invention from the state of the art, the following publications have been taken into account in the granting procedure - the order of the German patent specification \ r. 6iv; 6o2: French patent specification Zr. 7N6 912: Swiss patent specification `r. 175 -M33: British patent specification no. 3944o3, 457 1 9 2 , 481 896.
DEV37937D 1941-08-06 1941-08-06 Injection internal combustion engine with an at least approximately spherical mixing chamber arranged in the piston Expired DE767125C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV37937D DE767125C (en) 1941-08-06 1941-08-06 Injection internal combustion engine with an at least approximately spherical mixing chamber arranged in the piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV37937D DE767125C (en) 1941-08-06 1941-08-06 Injection internal combustion engine with an at least approximately spherical mixing chamber arranged in the piston

Publications (1)

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DE767125C true DE767125C (en) 1951-10-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042948B (en) * 1957-09-19 1958-11-06 Maschf Augsburg Nuernberg Ag Air-compressing, self-igniting piston internal combustion engine
DE1048072B (en) * 1956-08-04 1958-12-31 Maschf Augsburg Nuernberg Ag Air-compressing internal combustion engine with fuel injection
DE976556C (en) * 1954-05-23 1963-11-14 Gueldner Motoren Werke Injection internal combustion engine working with air compression and self-ignition
DE3345085A1 (en) * 1982-12-13 1984-06-14 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, Aichi COMBUSTION ENGINE WITH FUEL INJECTION

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB394403A (en) * 1932-01-09 1933-06-29 Aveling & Porter Ltd Improvements in or relating to internal-combustion engines
CH175433A (en) * 1934-02-19 1935-02-28 Saurer Hippolyt Injection internal combustion engine.
DE615602C (en) * 1932-09-30 1935-07-08 Anton Broehl Air-compressing, low-pressure internal combustion engine
GB457192A (en) * 1935-02-20 1935-08-26 Romeo Raimondi Diesel engines with a special combustion chamber
FR786912A (en) * 1934-02-24 1935-09-14 Diesel engine with combustion chamber
GB481896A (en) * 1935-10-31 1938-03-21 Adlerwerke Kleyer Ag H Improvements in or relating to the combustion chambers of oil engines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB394403A (en) * 1932-01-09 1933-06-29 Aveling & Porter Ltd Improvements in or relating to internal-combustion engines
DE615602C (en) * 1932-09-30 1935-07-08 Anton Broehl Air-compressing, low-pressure internal combustion engine
CH175433A (en) * 1934-02-19 1935-02-28 Saurer Hippolyt Injection internal combustion engine.
FR786912A (en) * 1934-02-24 1935-09-14 Diesel engine with combustion chamber
GB457192A (en) * 1935-02-20 1935-08-26 Romeo Raimondi Diesel engines with a special combustion chamber
GB481896A (en) * 1935-10-31 1938-03-21 Adlerwerke Kleyer Ag H Improvements in or relating to the combustion chambers of oil engines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976556C (en) * 1954-05-23 1963-11-14 Gueldner Motoren Werke Injection internal combustion engine working with air compression and self-ignition
DE1048072B (en) * 1956-08-04 1958-12-31 Maschf Augsburg Nuernberg Ag Air-compressing internal combustion engine with fuel injection
DE1042948B (en) * 1957-09-19 1958-11-06 Maschf Augsburg Nuernberg Ag Air-compressing, self-igniting piston internal combustion engine
DE3345085A1 (en) * 1982-12-13 1984-06-14 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, Aichi COMBUSTION ENGINE WITH FUEL INJECTION

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