DE430853C - Combustion chamber for injection internal combustion engines arranged in the piston - Google Patents

Combustion chamber for injection internal combustion engines arranged in the piston

Info

Publication number
DE430853C
DE430853C DEA41966D DEA0041966D DE430853C DE 430853 C DE430853 C DE 430853C DE A41966 D DEA41966 D DE A41966D DE A0041966 D DEA0041966 D DE A0041966D DE 430853 C DE430853 C DE 430853C
Authority
DE
Germany
Prior art keywords
piston
combustion chamber
injection internal
internal combustion
engines arranged
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
DEA41966D
Other languages
German (de)
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.)
ACRO AG
Original Assignee
ACRO AG
Publication date
Priority to DEA41966D priority Critical patent/DE430853C/en
Application granted granted Critical
Publication of DE430853C publication Critical patent/DE430853C/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
    • F02B23/0675—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
    • 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
    • F02B23/063—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 the combustion space in the piston interacting fluid dynamically with the cylinder head, the injector body or the cylinder wall
    • 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
    • F02B23/0633—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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

Im Kolben angeordneter Verbrennungsraum für Einspritzverbrennungskraftmaschinen. Es sind Verbrennungsräume für Einspritzkraftmasehinen mit im Kolbenhoden angeordneter Vertiefung !bekannt, in welche in der oberen Kolbehtotpunktslage ein im Zylinderdeckelinnern angeordneter, das Brennstoffventil aufnehmender Ansatz eindringt. Der Düsenansatz kaum hierbei als Leitkörper für die Kühl.- und Verbrennungsluft ausgebildet sein und mit einem :großen Zwishenraum in den Kolben hineinragen. Es kann' aber auch der Zwischenraum eng gehaltem werden:, so daß die Brennstoffeipspritzdüse als Verdränger wirkt und eine Wirbelung der Luft bzw. des Gemisches erzeugt.Combustion chamber for injection internal combustion engines arranged in the piston. Combustion chambers for injection engines with indentations arranged in the piston testicle are known, into which, in the upper piston dead center position, an extension arranged in the cylinder cover and accommodating the fuel valve penetrates. The nozzle attachment can hardly be designed as a guide body for the cooling and combustion air and protrude into the piston with a large space in between. It also, the clearance 'but be closely gehaltem :, so that the Brennstoffeipspritzdüse acts as a displacer and creates a swirl of the air or of the mixture.

Dengegenwbea keinzeiclvnet sich der Verbrennungsraum gemäß der Erfindung dadurch, daß der Kolbenhohlraum an der Mündung eine scharfe Kante besitzt und da.ß in der oberen Totp=ktslage ein so großer Raum über dem Kolben frei bleibt, der als Nachverbrennungsraum wirkt. Die Einwirbelung der Gemischluft erfolgt 'hiexb-ei. durch die scharfe Mündungskante des Kolbenhohlraumes. Die nach erfolgter Zündung im Kolbenhohlraum nicht vollständig verbrannten Gase werden über die scharfe Mündnngekante hinweg in den über dem Kolben. befindlichen Nac'hverbrennrungsraum zurückgetrieben, dort nachverbrannt, wobei durch die fächerförmige Ausstrahlung von der Mündungskante des Kolbens hinweg auf den übrn Zylinderinhalt mit Beginn des Kolbenniederganges eine vollkommrene Verbrennung des Gemisches erzielt wird. Dadurch werden, "die Ventile !geschont und insbesondere von Verbrennungsrückständen frei gehalten. Ferner wird auch bei verhältnismäßig medrigen Verdichtungsdrücken stets eine sichere Selbstzündung des Gemisches bewirkt.In contrast, the combustion space according to the invention is not shown in that the piston cavity has a sharp edge at the mouth and da.ß in the top dead center position, such a large space remains free above the piston, which as Afterburning room works. The mixture air is swirled in 'hiexb-ei. through the sharp mouth edge of the piston cavity. The one after ignition Gases that have not been completely burned in the piston cavity are passed over the sharp edge of the mouth away into the above the flask. the post-incineration room that was located was driven back, burned there, whereby due to the fan-shaped radiation from the mouth edge the piston away to the rest of the cylinder content with the beginning of the piston descent perfect combustion of the mixture is achieved. This will, "the valves ! protected and, in particular, kept free of combustion residues. Furthermore, Even with relatively medium compression pressures, there is always a safe auto-ignition of the mixture causes.

Auf der Zeichnung ist der Verbremnungsraum gemäß der Erfindung im Schritt veranschaulicht.In the drawing, the combustion chamber according to the invention is in Step illustrated.

Der igr Kolbenboden a vorgesehene Kolbenhoblraum b besitzt an der Mündung eine scharfe Kante und läßt in der oberem: Totpunktslage einen so ,großen Raum über den Kolben frei, daß dieser als Nachverbrermungsraum wirkt. Die Mündungskante des Kolhen:ohlraumes arbeitet mit dem Ansatz c im Zylinderdeckel zusammen, welcher das Brennstoffventil d aufnimmt. Mit f ist das Lufteinlaß- und mit g das Auslaßventil bezeichnet.The piston head space b provided for igr piston head a has a sharp edge at the mouth and leaves in the top dead center position such a large space above the piston that it acts as a post-combustion space. The mouth edge of the piston: ohlraumes works with the approach c in the cylinder cover, which receives the fuel valve d. The air inlet valve is designated by f and the outlet valve by g.

Claims (1)

PATENT-ANsPRUcH: Verbrenntungsraum für Einspritzkraftmaschinen mit im Kolbenbodien angeordneter Vertiefung, in welche in der oberen Kolbentotpunktslage ein im Zylinderdeckelinnern angeordneter, das Brennstoffventil aufnehmender Ansatz eirudringt, dadurch gekennzeichnet, daß der Kolbenhohlraum an der Mündung eine scharfe Kante besitzt und daß in. der oberen Totpunktslage da so großer Raum über dem Kolben frei bleibt, daß er als Nachverbrennungsraum wirkt. PATENT CLAIM: Combustion chamber for injection engines with a recess arranged in the piston crown, into which, in the upper dead center position of the piston, a projection which is arranged in the cylinder cover and accommodates the fuel valve penetrates, characterized in that the piston cavity at the mouth has a sharp edge and that in the upper dead center position since so large a space remains free above the piston that it acts as an afterburning space.
DEA41966D Combustion chamber for injection internal combustion engines arranged in the piston Expired DE430853C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA41966D DE430853C (en) Combustion chamber for injection internal combustion engines arranged in the piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA41966D DE430853C (en) Combustion chamber for injection internal combustion engines arranged in the piston

Publications (1)

Publication Number Publication Date
DE430853C true DE430853C (en) 1926-06-28

Family

ID=6932838

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA41966D Expired DE430853C (en) Combustion chamber for injection internal combustion engines arranged in the piston

Country Status (1)

Country Link
DE (1) DE430853C (en)

Cited By (1)

* 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

Cited By (1)

* 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

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