DE814539C - Cylinder head for internal combustion engines with cast-in combustion chamber - Google Patents

Cylinder head for internal combustion engines with cast-in combustion chamber

Info

Publication number
DE814539C
DE814539C DEP1792A DE0001792A DE814539C DE 814539 C DE814539 C DE 814539C DE P1792 A DEP1792 A DE P1792A DE 0001792 A DE0001792 A DE 0001792A DE 814539 C DE814539 C DE 814539C
Authority
DE
Germany
Prior art keywords
cylinder head
combustion chamber
cast
firing channel
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
DEP1792A
Other languages
German (de)
Inventor
Robert Mack
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.)
Porsche Konstruktionen GmbH and Co KG
Original Assignee
Porsche Konstruktionen GmbH and Co KG
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 Porsche Konstruktionen GmbH and Co KG filed Critical Porsche Konstruktionen GmbH and Co KG
Application granted granted Critical
Publication of DE814539C publication Critical patent/DE814539C/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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
    • 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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

Die Erfindung bezieht sich auf einen Zylinderkopf für Brennkraftmaschinen mit eingegossener Brennkammer, insbesondere für Kraftfahrzeuge.The invention relates to a cylinder head for internal combustion engines with a cast-in combustion chamber, in particular for motor vehicles.

Bei den bekannten Ausführungen von Zylinderköpfen finit eingegossener Brennkammer ergibt sich die Schwierigkeit der Bearbeitung der den Zylinder abschließenden Bodenfläche im Zylinderkopf, da der Schußkanal der Brennkammer bis in die Bodenfläche reicht und aus einem anderen Material besteht als die Brennkammer.In the known designs of cylinder heads, finitely cast Combustion chamber results in the difficulty of machining the final cylinder Floor area in the cylinder head, as the firing channel of the combustion chamber extends into the floor area is enough and consists of a different material than the combustion chamber.

Gemäß der Erfindung werden diese Schwierigkeiten dadurch überwunden, daß der den Schußkanal bildende Teil der Brennkammer kürzer gemacht ist als der Schußkanal und nicht bis zu der den Zylinder abschließenden Bodenfläche im Zylinderkopf reicht. Die diese Bodenfläche bearbeitenden Drehwerkzeuge haben deshalb nur gleiches Material zu bearbeiten, wodurch ungleichmäßige Arbeit und Beschädigungen des Drehwerkzeuges vermieden werden. Der den Schußkanal bildende Teil der Brennkammer geht weiter ohne Absatz in den durch den Zylinderkopf gebildeten Teil des Schußkanals über. -In der Zeichnung ist die Erfindung beispielsweise veranschaulicht.According to the invention, these difficulties are overcome by that the part of the combustion chamber forming the firing channel is made shorter than that Firing channel and not up to the bottom surface in the cylinder head that closes the cylinder enough. The turning tools that work this floor area therefore only have the same thing Machining material, causing uneven work and damage to the turning tool be avoided. The part of the combustion chamber forming the firing channel continues without Paragraph into the part of the firing channel formed by the cylinder head. -In the Drawing illustrates the invention for example.

In den Zylinderkopf i ist die Brennkammer 2 eingegossen. Die Brennkammer ist mit Bohrungen 3 und 4 zum Einsetzen der Einspritzdüse 5 bzw. der nicht gezeigten Glühkerze versehen. Die Brennkammer ist mit dem Brennraum des Zylinders durch einen Schußkanal 6 auf bekannte Weise verbunden. Die den Zylinder abschließende Bodenfläche 7 im Zylinderkopf muß bearbeitet werden. Das Material des Zylinderkopfes ist aber' vei#-schieden von dem der Brennkammer. Um eine Bearbeitung einer Fläche verschiedenen Materials zu verhindern, ist der den Schußkanal bildende Fortsatz 8 kürzer gemacht als die Gesamtlänge des Schußkanals.The combustion chamber 2 is cast into the cylinder head i. The combustion chamber is with bores 3 and 4 for inserting the injection nozzle 5 and not shown Glow plug provided. The combustion chamber is connected to the combustion chamber of the cylinder through a Firing channel 6 connected in a known manner. The bottom surface closing off the cylinder 7 in the cylinder head must be machined. The material of the cylinder head is' different from that of the combustion chamber. To edit a surface different To prevent material, the extension 8 forming the firing channel is made shorter than the total length of the weft channel.

Wird deshalb beim Gießen des Zylinderkopfes die Brennkammer als Kern und ein weiterer, den Schüßkanal bildender Kern eingelegt, so wird im fertigen Zylinderkopf ein Teil des Schußkanals durch den Fortsatz 8 und ein weiterer Teil des Schußkanals durch das Zylinderkopfmaterial gebildet, wobei der den Schußkanal bildende Teil der Brennkammer ohne Absatz in den durch den Zylinderkopf gebildeten Teil des Schußkanals übergeht. Die Bodenfläche 7 kann auf diese Weise schnell und leicht mit einem entsprechenden Werkzeug bearbeitet werden.Therefore, when casting the cylinder head, the combustion chamber is used as the core and another core, which forms the firing channel, is inserted, so in the finished cylinder head part of the firing channel through the extension 8 and another part of the firing channel formed by the cylinder head material, the part forming the firing channel the combustion chamber without a shoulder in the part of the firing channel formed by the cylinder head transforms. The bottom surface 7 can in this way quickly and easily with a corresponding Tool to be machined.

Claims (2)

PATENTANSPRÜCHE: i. Zylinderkopf für Brennkraftmaschinen mit eingegossener Brennkammer, insbesondere für Kraftfahrzeuge, dadurch gekennzeichnet, daß der den Schußkanal bildende Teil der Brennkammer kürzer ist als der Schußkanal und nicht bis zu der den Zylinder abschließenden Bodenfläche im Zylinderkopf reicht. PATENT CLAIMS: i. Cylinder head for internal combustion engines with a cast-in combustion chamber, in particular for motor vehicles, characterized in that the part of the combustion chamber forming the firing channel is shorter than the firing channel and does not extend to the bottom surface in the cylinder head closing off the cylinder. 2. Zylinderkopf nach Anspruch i, dadurch gekennzeichnet, daß der den Schußkanal bildende Teil der Brennkammer ohne Absatz in den durch den Zylinderkopf gebildeten Teil des Schußkanals übergeht.2. Cylinder head according to claim i, characterized in that the firing channel forming part of the combustion chamber without a shoulder in the one formed by the cylinder head Part of the firing channel passes.
DEP1792A 1950-01-16 1950-06-06 Cylinder head for internal combustion engines with cast-in combustion chamber Expired DE814539C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT814539X 1950-01-16

Publications (1)

Publication Number Publication Date
DE814539C true DE814539C (en) 1951-09-24

Family

ID=3681436

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP1792A Expired DE814539C (en) 1950-01-16 1950-06-06 Cylinder head for internal combustion engines with cast-in combustion chamber

Country Status (1)

Country Link
DE (1) DE814539C (en)

Similar Documents

Publication Publication Date Title
DE102016117290A1 (en) PISTON
DE3628645A1 (en) METHOD FOR INJECTING FUEL INTO THE COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE
DE2651504A1 (en) EXHAUST GAS RECIRCULATION DEVICE IN A COMBUSTION ENGINE
DE19643725C2 (en) Cylinder head for multi-cylinder machines
DE814539C (en) Cylinder head for internal combustion engines with cast-in combustion chamber
DE6608831U (en) COMBUSTION MACHINE.
DE874847C (en) Cylinder head block
DE1961322A1 (en) Water-cooled cylinder head
DE834172C (en) pump
DE840471C (en) Internal combustion engine with injection of a liquid fuel into a subchamber separated from the cylinder chamber
DE1451816A1 (en) Rotary piston engine
DE899295C (en) Injection nozzle for internal combustion engines
DE577288C (en) Fuel pump
DE509199C (en) Light metal pistons for internal combustion engines
DE896137C (en) Air-cooled two-stroke internal combustion engine
DE948104C (en) Injection valve for internal combustion engines
DE416921C (en) Fuel injection device, especially for internal combustion engines
DE471839C (en) Self-igniting internal combustion engine, in particular for airless injection, with a chamber arranged in the piston and forming part of the compression space
DE528027C (en) Internal combustion engine
DE467007C (en) Internal combustion engine
DE865405C (en) Valve insert, especially for internal combustion engines
DE752039C (en) Internal combustion engine
DE2130937A1 (en) Injection pump for internal combustion engines
DE877981C (en) Fuel injection device for internal combustion engines
AT41941B (en) Internal combustion engine for motor vehicles with an air pump delivering the injection air.