DE516657C - Injection engine with self-ignition - Google Patents

Injection engine with self-ignition

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Publication number
DE516657C
DE516657C DEA52371D DEA0052371D DE516657C DE 516657 C DE516657 C DE 516657C DE A52371 D DEA52371 D DE A52371D DE A0052371 D DEA0052371 D DE A0052371D DE 516657 C DE516657 C DE 516657C
Authority
DE
Germany
Prior art keywords
cylinder
nozzle
chamber
funnel
injection engine
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
DEA52371D
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German (de)
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ACRO AKT GES
Original Assignee
ACRO AKT GES
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 ACRO AKT GES filed Critical ACRO AKT GES
Priority to DEA52371D priority Critical patent/DE516657C/en
Application granted granted Critical
Publication of DE516657C publication Critical patent/DE516657C/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
    • F02B23/0636—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
    • F02B21/00—Engines characterised by air-storage 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
    • F02B23/0633—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 almost completely enclosed in the piston, i.e. having a small inlet in comparison to its volume
    • 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
    • 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
    • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

Einspritzmotor mit Selbstzündung Die Erfindung bezieht sieh auf einen Einspritzmotor mit Selbstzündung, dessen Zylinderraum über einen Drosselquerschnitt mit einer Kammer verbunden ist, der ein trichterförmiger Raum vorgeschaltet ist, in den hinein die Brennstoffeinspritzung am Ende des Verdichtungshubes gegen die Drosselstelle hin beginnt.Compression-ignition injection engine The invention relates to a Injection engine with compression ignition, the cylinder space of which has a throttle cross-section is connected to a chamber, which is preceded by a funnel-shaped space, into which the fuel injection at the end of the compression stroke against the Throttle point begins.

Bei den bekannten Motoren dieser Art spritzt .die Düse den Brennstoffstrahl in Richtung der Einsteckachse des Düsenhalters in den Trichter hinein. Düse und Halter sind dort also im wesentlichen gleichachsig zum Trichter und der dahinterliegenden Kammer angeordnet. Dieser Zusammenbau läßt sich jedoch in vielen Fällen nur schwer durchführen, weil vielfach der Einbau des Halters mit Düse oder der Kammer recht umständlich und sperrig ausfällt, so daß entweder der verfügbare Raum zum Unterbringen von Ein-und Auslaßkanälen und -ventilen samt ihren Steuerungsorganen, Anlaßhilfseinrichtungen, Meß- und Anzeigebohrungen recht beschränkt oder die Strömungsverhältnisse recht ungünstig werden. In vielen Fällen kommt man um diese Schwierigkeiten herum, wenn man gemäß der Erfindung dafür sorgt, daß der Einspritzstrahl in an sich bekannter Weise in einem rechten oder annähernd rechten Winkel zur Einsteckachse des Düsenhalters austritt.In the known engines of this type, the nozzle injects the fuel jet in the direction of the insertion axis of the nozzle holder into the funnel. Nozzle and Holders are therefore essentially coaxial with the funnel and the one behind it Chamber arranged. However, this assembly is difficult in many cases carry out because often the installation of the holder with nozzle or the chamber is right cumbersome and bulky, so that either the available space to accommodate of inlet and outlet ducts and valves including their control organs, auxiliary starting devices, Measuring and display bores quite limited or the flow conditions quite right become unfavorable. In many cases these difficulties can be avoided if according to the invention it is ensured that the injection jet is known per se Way at a right or approximately right angle to the insertion axis of the nozzle holder exit.

Man erzielt dadurch auch noch den Vorteil, daß von der im trichterförmigen Raum sich ausbildenden Flamme, die beim Arbeitshub durch die aus der Kammer herausgerichtete Luftströmung stichflammenartigaus dem Trichter herausschlägt, eine kleinere und überdies weniger gegen thiermische Einflüsse empfindliche Stelle des Düsenkörpers unmittelbar getroffen wird als bei der erwähnten bekannten Bauart, wo die Flamme gegen die ganze, zumeist den genau gearbeiteten Düsennadelsitz enthaltende Stirnfläche des Düsenkörpers prallt.This also has the advantage that of the funnel-shaped Space developing flame, which is directed out of the chamber during the working stroke The air flow blows out of the funnel like a stick flame, a smaller one and In addition, the part of the nozzle body that is less sensitive to animal influences is taken directly than with the known type mentioned, where the flame against the entire face, mostly containing the precisely machined nozzle needle seat of the nozzle body rebounds.

Auf der Zeichnung sind fünf Ausführungsbeispiele des Erfindungsgegenstandes dargestellt.The drawing shows five exemplary embodiments of the subject matter of the invention shown.

Abb. i zeigt im Längsschnitt durch einen Zylinder und Kolben das erste Beispiel, wobei der Düsenhalter samt Düse im oberen Rand des Zylindermantels und der Trichter samt Kammer schräg am Rand des Zylinderdeckels angeordnet sind.Fig. I shows the first in a longitudinal section through a cylinder and piston Example, where the nozzle holder including the nozzle in the upper edge of the cylinder jacket and the funnel including the chamber are arranged at an angle on the edge of the cylinder cover.

In Abb. 2 ist in gleicher Darstellungsart das zweite Beispiel angegeben, das sich vom ersten hauptsächlich nur in der Anordnung des Düsenhalters und der Düse unterscheidet.In Fig. 2 the second example is given in the same type of representation, that differs from the first mainly in the arrangement of the nozzle holder and the Nozzle differs.

Abb. 3 stellt das dritte Ausführungsbeispiel im Längsschnitt und Abb. 4 in Seitenansicht dar. Der Düsenhalter mit Düse ist dabei tangential in den Zylindermantel .eingesteckt, und die Kammerachse liegt parallel zur Zylinderachse.Fig. 3 shows the third embodiment in longitudinal section and Fig. 4 in side view. The nozzle holder with nozzle is tangential in the cylinder jacket .inserted, and the chamber axis is parallel to the cylinder axis.

Beim vierten Ausführungsbeispiel nach Abb. 5 sind sowohl der Düsenhalter mit Düse als auch der Trichter und die Kammer am Zylinderdeckel angeordnet.In the fourth embodiment according to Fig. 5, both the nozzle holder with nozzle as well as the funnel and the chamber are arranged on the cylinder cover.

Die Abb. 6 und 7 zeigen das fünfte Ausführungsbeispiel in zwei um 9o° zueinander versetzten Längsschnitten. Im Gegensatz zu den @4er ersten Beispielen ist hier die Kammer samt Trichterraum im Kolben untergebracht.Figs. 6 and 7 show the fifth embodiment in two order Longitudinal sections offset from one another by 90 °. In contrast to the @ 4er In the first examples, the chamber and the funnel space are housed in the flask.

Der Zylinder ist bei allen Beispielen mit .a, der Zylinderdeckel mit b und der jeweils in seiner inneren Totlage dargestellte Kolben mit e bezeichnet. Auf den Halter der Einspritzdüse und die Düse weist das Bezugszeichen il hin und auf die Ausspritzstelle der Düse das Zeichen :e.In all examples, the cylinder is marked with .a, the cylinder cover with b and the piston shown in its inner dead position is denoted by e. The reference symbol il indicates the holder of the injection nozzle and the nozzle the symbol: e.

Beim ersten Beispiel nach Abb. i sticht der Düsenhalter ä ganz in der NTähe des oberen Zylinderrandes senkrecht durch die Zylinderwand hindurch in die Laufbahn des Kolbens c hinein, der bei f entsprechend ausgespart ist. Die Ausspritzstelle .e der Düse ist so angeordnet, daß der Brennstoffstrahl annähernd senkrecht zur Einsteckachse des Düsenhalters in einen am Zylinderdeckel b, und zwar in der Nähe der Düsenmündung und des oberen Zylinderrandes angeordneten Trichterraum g hineingerichtet ist. Die .engste Stelle h des Trichters bildet einen engen Kanal, der den Zylinderraum über den Trichter mit einer Kammer i verbindet. Der weiteste Trichterquerscbnitt geht ohne jeglichen Zwischenkanal unmittelbar in den Zylinderraum über, so daß die Strömungsvorgänge ungehindert sich abspielen können. Die Kammer und der Trichter sind dabei derart angeordnet, daß die beim Arbeitshub aus ihnen herausgerichtete heiße Strömung schräg in den Zylinderraum hineingerichtet ist und sich gleichmäßig verteilt, weil sie die Wandungen des Zylinderraums nicht senkrecht beaufschlagt, sondern an den Wänden vorbeistreicht. Durch das Anordnen des Düsenhalters samt Düse und der Kammer samt Trichter gewissermaßen in einer Ecke des oberen Zylinderrandes bleibt insbesonders der für die Ventile und ihre Kanäle nötige Raum ganz frei.In the first example according to Fig. I, the nozzle holder ä protrudes completely the proximity of the upper edge of the cylinder vertically through the cylinder wall in into the path of piston c, which is correspondingly recessed at f. The injection point .e of the nozzle is arranged so that the fuel jet is approximately perpendicular to the Insertion axis of the nozzle holder in one on the cylinder cover b, in the vicinity the nozzle mouth and the upper cylinder edge arranged funnel space g directed into it is. The narrowest point h of the funnel forms a narrow channel that forms the cylinder space connects to a chamber i via the funnel. The widest funnel cross-section goes directly into the cylinder space without any intermediate channel, so that the Flow processes can take place unhindered. The chamber and the funnel are arranged in such a way that they are directed out of them during the working stroke hot flow is directed obliquely into the cylinder space and is even distributed because it does not act vertically on the walls of the cylinder space, but brushes past the walls. By arranging the nozzle holder and nozzle and the chamber including the funnel, so to speak, in a corner of the upper edge of the cylinder In particular, the space required for the valves and their ducts remains completely free.

Das zweite Beispiel nach Abb. 2 unterscheidet sich vom ersten in der Hauptsache nur durch den etwas anderen Einbau des die Düse tragenden Düsenhalters. Während er dort in die Kolbenlaufbahn hineinragt und deshalb stark erhitzt wird, liegt er beim zweiten Beispiel geschützt hinter einer Schutzwand k, die jedoch so angeordnet ist, daß sie das unmittelbare Einspritzen der Düse in den Trichter g nicht behindert. Gegenüber dem ersten Beispiel hat man hier auch noch den Vorteil, daß der Kolben und damit der ganze Motor niederer wird, weil dabei die Aussparung im Kolben wegfällt und demzufolge die Kolbenringe näher an den Kolbenboden herangerückt werden können.The second example according to Fig. 2 differs from the first in the Mainly only through the slightly different installation of the nozzle holder that supports the nozzle. While it protrudes there into the piston raceway and is therefore strongly heated, In the second example, it is protected behind a protective wall k, which is however like this is arranged to allow direct injection of the nozzle into the funnel g not disabled. Compared to the first example, this also has the advantage that that the piston and thus the whole engine is lower because the recess disappears in the piston and consequently the piston rings moved closer to the piston crown can be.

Beim dritten Ausführungsbeispiel nach den Abb.3 und 1. ist der Halter samt Düse tangential im Zylinder angeordnet. Sonst unterscheidet sich dieses Beispiel kaum vom vorher beschriebenen. Beim vierten Ausführungsbeispiel nach Abb. 5 ist die Einsteckachse des Düsenhalters:d parallel zur Zylinderachse im Deckel und der Trichter g samt Kammer i seitlich am Deckel angeordnet. Außerdem ragt dort noch eine Glühdrahtkerze m iii den Trichter g hinein, die beim Anlassen elektrisch beheizt wird.In the third embodiment according to Figures 3 and 1, the holder is including the nozzle arranged tangentially in the cylinder. Otherwise this example is different hardly from the previously described. In the fourth embodiment according to Fig. 5 is the insertion axis of the nozzle holder: d parallel to the cylinder axis in the cover and the Funnel g including chamber i arranged on the side of the lid. In addition, there still protrudes a glow wire plug m iii the funnel g into it, which is electrically heated when starting will.

Anstatt, wie bei den dargestellten Beispielen, die Kammer am Zylinder anzuordnen, kann man sie auch, wie das fünfte Ausführungsbeispiel nach Abb. 6 und 7 zeigt, im Kolben unterbringen.Instead of the chamber on the cylinder, as in the examples shown to arrange, you can also, like the fifth embodiment according to Fig. 6 and 7 shows, accommodate in the flask.

Es wurde schon mehrfach hervorgehoben und geht auch aus den verschiedenen Abbildungen klar hervor, daß durch das neuartige Zusammenfügen der einzelnen an sich bekannten Einzelmerkmale eine gedrängte, einfache Bauart erreicht werden kann. Überdies lassen sich mit der neuen Bauart schädliche Räume im Zylinder weitgehend vermeiden, so daß die vielfach an Motoren der angegebenen Gattung gestellte Forderung, beim Verdichtungshub möglichst viele Luft in die Kammer hineinzubekommen, leicht erfüllbar ist.It has already been highlighted several times and also goes out of the various Illustrations clearly show that through the novel joining of the individual known individual features a compact, simple design can be achieved. Moreover, with the new design, harmful spaces can be largely eliminated in the cylinder avoid, so that the requirement often made on engines of the specified type, Getting as much air as possible into the chamber during the compression stroke is easy can be fulfilled.

Claims (6)

PATENTANSPRÜCHE: i. Einspritzmotor mit Selbstzündung, dessen Zylinderraimi über .einen Drosselquerschnitt mit einer Kammer verbunden ist, der ein trichterförmiger Raum vorgeschaltet ist, in den hinein die Brennstoffeinspritzung am Ende des Verdichtungshubes gegen die Drosselstelle hin beginnt, dadurch gekennzeichnet, daß der Einspritzstrahl in an sich bekannter Weise in einem rechten oder annähernd rechten Winkel zur Einsteckachse des, Düsenhalters austritt. PATENT CLAIMS: i. Injection engine with compression ignition, its cylinder rail is connected via .ein throttle cross-section with a chamber, which is a funnel-shaped Upstream space is into which the fuel injection at the end of the compression stroke begins towards the throttle point, characterized in that the injection jet in a manner known per se at a right or approximately right angle to the insertion axis of the nozzle holder emerges. 2.- Einspritzmotor nach Anspruch i, bei dem die Kammer am Zylinder angeordnet ist, dadurch gekennzeichnet, daß die Düse im oberen Rand des Zylinders, und zwar senkrecht zur Zylinderachse untergebracht ist, während der Trichter und die Kammer sich am Zylinderdeckel befinden (Abb. i bis q.). 2.- Injection engine according to claim i, wherein the chamber is arranged on the cylinder, characterized in that the nozzle in the upper edge of the cylinder, namely perpendicular to the cylinder axis, while the The funnel and the chamber are located on the cylinder cover (Fig. I to q.). 3. Einspritzmotor nach Anspruch 2, gekennzeichnet durch eine solche Anordnung des Trichters und der Kammer am Zylinderdeckel, daß die aus der Kammer und dem Trichter tierausgerichtete Strömung schräg in den Zylinderraum hineingerichtet ist (Abb. i und 2). ¢. 3. Injection engine according to claim 2, characterized by such an arrangement of the funnel and the Chamber on the cylinder cover that the animal-oriented from the chamber and the funnel Flow is directed obliquely into the cylinder space (Fig. I and 2). ¢. Einspritzmotor nach Anspruch 2, dadurch gekennzeichnet, daß die Düse in. den Zylinderraum hineinsticht und der Kolben an dieser Stelle entsprechend ausgespart ist (Abb. i). Injection engine according to claim 2, characterized in that the nozzle protrudes into the cylinder space and the piston is recessed accordingly at this point (Fig. i). 5. Einspritzmotor nach Anspruch z, dadurch gekennzeichnet, daß die Düse zweckmäßig parallel zur Zylinderaclhseim Deckel und der Trichter samt Kammer seitlich am Deckel angeordnet ist (Abb. 5). 5. Injection engine according to claim z, characterized in that the nozzle is expedient parallel to the cylinder shaft in the lid and the funnel including the chamber on the side of the lid is arranged (Fig. 5). 6. Einspritzmotor nach Anspruch r, dadurch gekennzeichnet, daß der Düsenhalter und die daran befestigte Düse nur an der Düsenmündung in freier Verbindung mit dem Zylinderraum steht (Abb.2 und 3).6. Injection engine according to claim r, characterized in that that the nozzle holder and the nozzle attached to it only at the nozzle mouth in free Connection with the cylinder chamber is established (Fig. 2 and 3).
DEA52371D 1927-11-01 1927-11-01 Injection engine with self-ignition Expired DE516657C (en)

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Application Number Priority Date Filing Date Title
DEA52371D DE516657C (en) 1927-11-01 1927-11-01 Injection engine with self-ignition

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Application Number Priority Date Filing Date Title
DEA52371D DE516657C (en) 1927-11-01 1927-11-01 Injection engine with self-ignition

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DE516657C true DE516657C (en) 1931-01-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966393C (en) * 1952-03-14 1957-08-01 Orenstein & Koppel Ag Injection engine with self-ignition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966393C (en) * 1952-03-14 1957-08-01 Orenstein & Koppel Ag Injection engine with self-ignition

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