EP3242009A1 - Internal combustion engine comprising a cylinder crankcase and a connection housing - Google Patents

Internal combustion engine comprising a cylinder crankcase and a connection housing Download PDF

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Publication number
EP3242009A1
EP3242009A1 EP17000589.6A EP17000589A EP3242009A1 EP 3242009 A1 EP3242009 A1 EP 3242009A1 EP 17000589 A EP17000589 A EP 17000589A EP 3242009 A1 EP3242009 A1 EP 3242009A1
Authority
EP
European Patent Office
Prior art keywords
crankcase
internal combustion
combustion engine
engine according
sealing surface
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.)
Granted
Application number
EP17000589.6A
Other languages
German (de)
French (fr)
Other versions
EP3242009B1 (en
Inventor
Marco Sliwa
Thomas Werner
Werner Lemme
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.)
Deutz AG
Original Assignee
Deutz AG
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Publication date
Application filed by Deutz AG filed Critical Deutz AG
Priority to PL17000589T priority Critical patent/PL3242009T3/en
Publication of EP3242009A1 publication Critical patent/EP3242009A1/en
Application granted granted Critical
Publication of EP3242009B1 publication Critical patent/EP3242009B1/en
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Classifications

    • 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
    • F02F11/00—Arrangements of sealings in combustion engines 
    • F02F11/002—Arrangements of sealings in combustion engines  involving cylinder heads
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
    • 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
    • F02F11/00—Arrangements of sealings in combustion engines 
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
    • F02F2007/0075—Front covers
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
    • F02F2007/0078—Covers for belt transmissions

Definitions

  • the invention relates to an internal combustion engine with a cylinder crankcase and a connection housing.
  • crankcase for an internal combustion engine discloses, in which the crankcase is cuboidal with a rectangular cross section, in this case the base side of the cuboid corresponds approximately to the lateral projection in the region of the cylinder heads, the crankcase has a chamber, this from the longitudinal side of the crankcase in the interior of the Crankcase has and the chamber from the two end walls, a part of the base and a crankshaft space defining wall is formed.
  • the DE 102 20 838 C1 discloses an internal combustion engine having a crankcase, a crankshaft and a camshaft for controlling at least one inlet and outlet valve and an oil pump for delivering lubricating oil to the consumers, the output side of the oil pump for limiting the oil pressure an oil pressure control valve is connected downstream of the valve body by a spring element in Closing direction can be acted upon, wherein the valve body in response to the oil flow rate and / or the oil temperature releases an opening which is connectable to the suction side of the oil pump, wherein the crankcase is provided with an inclined dividing plane.
  • the invention has the object to further develop this.
  • crankcase for an internal combustion engine, with at least one ⁇ lwannenflansch and one-piece crankshaft, wherein at least one end face of the crankcase, on which, for example, the gear drive is arranged, a processing of the sealing surface to the timing case cover out in an angle of about 94 ° to the vertical with respect to the ⁇ lwannenflansch requirements is arranged.
  • the advantage here is that the overall length of the crankcase is reduced, which also has an effect on the costs.
  • crankcase has a cover or a gear box, which is arranged releasably secured to the processing of the sealing surface to the timing case cover, which is arranged at an angle of about 94 ° to the vertical with respect to the ⁇ lwannenflansch phenomenon.
  • the cylinder crankcase (1) has a sealed passage (2) for the gear for the camshaft mounted in the cylinder head.
  • the other crankcase side gears are covered by a cover / wheel box (3).
  • the oil pan gasket is then carried over the crankcase and the lid.
  • crankshaft due to the peripheral edge of the cylinder crankcase, builds so short that it must be equipped with extension components that bridge the passage through the cylinder crankcase wall to connect to z. As gears, flywheel and other attachments to allow.
  • the present solution makes it possible to reduce the length of the engine without having to accept the disadvantages of the multi-part crankshaft. This is achieved by on the side of the cylinder crankcase, on which the gear drive is arranged, a processing of the sealing surface is performed to the timing case cover, which at an angle, for. B. 94 °, based on the perpendicular to the oil pan sealing surface, takes place, so chosen is that the required passage to the cylinder head 2 of the gear remains sealed and the cylinder crankcase to the oil pan / oil pan sealing surface is steadily shorter 4.
  • the timing case cover having the complementary angle to the surface of the cylinder crankcase ,
  • the timing case cover is here in one piece 6 or two parts 7 formed with the connection housing.
  • the fastening screws and the centering of the connection housing / gear box are formed, advantageously parallel to the crankshaft longitudinal axis, that the alignment of the housing is given to the center crankshaft.
  • a grading of the Anschraubbutzen, resulting from the working slope, is possible 8.
  • An alternative of the fastening screws is to form the center hole parallel to the crankshaft longitudinal axis and the mounting screws perpendicular to the sealing surface. As a result, a precise centering is possible and the Anschraubvorgang caused by angle no transverse force that can cause a shift of the components with each other and thus could affect the accuracy of connection housing to the middle crankshaft negative.
  • a cylinder crankcase 1 is shown with a passage for the gear to the camshaft 2.
  • An in Fig. 1 not shown cover / gear box 3 would abut the machining of the sealing surface to the timing case cover 4, wherein the timing case cover 3, not shown, a sealing counter contour on the timing case cover 5 has.
  • the timing case covers may be one-piece (6) or two-piece (7).
  • the grading of Anschraubbutzen 8, resulting from the processing slope in accordance with Fig. 1 results in is Fig. 2 shown.
  • the oil sump sealing surface 9 is arranged at the lower end of the crankcase 1.
  • an exhaust gas recirculation (EGR) channel 10 is arranged in the upper region of the crankcase 1.
  • the EGR cooler receptacle 11 At the same level, to the left of EGR channel 10, there is the EGR cooler receptacle 11. Under the EGR channel 10 and the EGR cooler receptacle 11, the starter receptacle 12 is located obliquely above the EGR channel on one end side of the crankcase 1 itself a nose-like Material accumulation in the region of the passage of the gear to the camshaft 13, which is adjacent to the cylinder head gasket surface 14.
  • Fig. 3 shows a cylinder crankcase 1 with a passage for the gear to the camshaft 2.
  • the lid or gear box 3 is located on the in Fig. 1 illustrated processing of the sealing surface to the timing case cover 4, wherein the timing case cover 3 has a sealing counter contour on the timing case cover 5, in the Fig. 6a and 6b to be shown.
  • the timing case cover can be one piece 6 or two parts 7, which also in the Fig. 6a and 6b you can see.
  • the grading of Anschraubbutzen 8, resulting from the processing slope in accordance with Fig. 1 results in is Fig. 2 and serves to connect the cylinder crankcase 1 and the timing case cover 3.
  • the oil pan sealing surface 9 is arranged at the lower end of the crankcase 1.
  • an exhaust gas recirculation (EGR) passage 10 is disposed below the cylinder head sealing surface 14.
  • EGR exhaust gas recirculation
  • the starter receptacle 12 is located obliquely above the EGR channel on one side
  • Front side of the crankcase 1 is a nose-like accumulation of material in the region of the passage of the gear to the camshaft 13, which is adjacent to the cylinder head sealing surface 14.
  • Fig. 4a is a plan view of the crankcase 1 according to Fig. 1 from below on the split sump gasket surface 9 with mounted (shrunk) crankshaft 19 disclosed.
  • Fig. 4b shows a plan view of the crankcase 1 according to Fig. 1 from below on the closed sump gasket surface 9 with built (screwed) crankshaft 18 disclosed.
  • Fig. 5 a is a plan view of the crankcase according to Fig. 4a, b from below on the oil sump sealing surface 9 with mounted timing case cover 3, which is in two parts 7, as well as with divided ⁇ lwannenflansch.
  • Fig. 5 b represents a plan view of the crankcase according to Fig. 4a, b from below on the oil pan sealing surface 9 without mounted timing case cover 3 with closed ⁇ lwannenflansch 9 is.
  • Fig. 6a and 6b has the timing case cover 3 a sealing counter contour on the timing case cover 5, which in the Fig. 6a and 6b to be shown.
  • the timing case covers can be one piece 6 or two pieces 7.

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  • 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)

Abstract

Beschrieben wird Kurbelgehäuse für eine Brennkraftmaschine und eine Brennkraftmaschine mit wenigstens einem Ölwannenflansch und einteiliger Kurbelwelle wobei wenigstens eine Stirnseite des Kurbelgehäuses, an der beispielsweise der Rädertrieb angeordnet ist, eine Bearbeitung der Dichtfläche zum Räderkastendeckel hin aufweist, die in einem Winkel von etwa 94° zur Senkrechten bezüglich der Ölwannenflanschfläche angeordnet ist.Crankcase is described for an internal combustion engine and an internal combustion engine with at least one Ölwannenflansch and one-piece crankshaft wherein at least one end face of the crankcase, on which, for example, the wheel drive is arranged, a processing of the sealing surface to the timing case cover out, at an angle of about 94 ° to the vertical is arranged with respect to the Ölwannenflanschfläche.

Description

Die Erfindung betrifft eine Brennkraftmaschine mit einem Zylinderkurbelgehäuse und einem Anschlussgehäuse.The invention relates to an internal combustion engine with a cylinder crankcase and a connection housing.

Aus der EP 1 006 273 A2 ist ein Kurbelgehäuse für eine Brennkraftmaschine offenbart, bei der das Kurbelgehäuse quaderförmig mit rechteckigem Querschnitt ausgeführt ist, hierbei die Grundseite des Quaders näherungsweise der seitlichen Ausladung im Bereich der Zylinderköpfe entspricht, das Kurbelgehäuse eine Kammer aufweist, diese von der Längsseite des Kurbelgehäuses in das Innere des Kurbelgehäuse weist und die Kammer aus den beiden Stirnwänden, einem Teil der Grundfläche und einer den Kurbelwellenraum begrenzenden Wand gebildet wird.From the EP 1 006 273 A2 is a crankcase for an internal combustion engine discloses, in which the crankcase is cuboidal with a rectangular cross section, in this case the base side of the cuboid corresponds approximately to the lateral projection in the region of the cylinder heads, the crankcase has a chamber, this from the longitudinal side of the crankcase in the interior of the Crankcase has and the chamber from the two end walls, a part of the base and a crankshaft space defining wall is formed.

Die DE 102 20 838 C1 offenbart eine Brennkraftmaschine mit einem Kurbelgehäuse, einer Kurbelwelle und einer Nockenwelle zur Steuerung mindestens eines Ein- und Auslassventils sowie einer Ölpumpe zur Förderung von Schmieröl zu den Verbrauchern, wobei ausgangsseitig der Ölpumpe zur Begrenzung des Öldrucks ein Öldruckregelventil nachgeschaltet ist, dessen Ventilkörper durch ein Federelement in Schließrichtung beaufschlagbar ist, wobei der Ventilkörper in Abhängigkeit von der Ölfördermenge und/oder der Öltemperatur eine Öffnung freigibt, die mit der Saugseite der Ölpumpe verbindbar ist, wobei das Kurbelgehäuse mit einer schrägen Teilungsebene versehen ist.The DE 102 20 838 C1 discloses an internal combustion engine having a crankcase, a crankshaft and a camshaft for controlling at least one inlet and outlet valve and an oil pump for delivering lubricating oil to the consumers, the output side of the oil pump for limiting the oil pressure an oil pressure control valve is connected downstream of the valve body by a spring element in Closing direction can be acted upon, wherein the valve body in response to the oil flow rate and / or the oil temperature releases an opening which is connectable to the suction side of the oil pump, wherein the crankcase is provided with an inclined dividing plane.

Ausgehend vom oben beschriebenen Stand der Technik liegt der Erfindung die Aufgabe zugrunde, diesen weiterzuentwickeln.Based on the above-described prior art, the invention has the object to further develop this.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass ein Kurbelgehäuse für eine Brennkraftmaschine geschaffen wird, mit wenigstens einem Ölwannenflansch und einteiliger Kurbelwelle, wobei wenigstens eine Stirnseite des Kurbelgehäuses, an der beispielsweise der Rädertrieb angeordnet ist, eine Bearbeitung der Dichtfläche zum Räderkastendeckel hin aufweist, die in einem Winkel von etwa 94° zur Senkrechten bezüglich der Ölwannenflanschfläche angeordnet ist. Hierbei ist von Vorteil, dass sich die Länge des Kurbelgehäuses insgesamt verringert, was auch Auswirkungen auf die Kosten hat.The object is achieved in that a crankcase is provided for an internal combustion engine, with at least one Ölwannenflansch and one-piece crankshaft, wherein at least one end face of the crankcase, on which, for example, the gear drive is arranged, a processing of the sealing surface to the timing case cover out in an angle of about 94 ° to the vertical with respect to the Ölwannenflanschfläche is arranged. The advantage here is that the overall length of the crankcase is reduced, which also has an effect on the costs.

Weiter ist erfindungsgemäß vorgesehen, dass das Kurbelgehäuse einen Deckel beziehungsweise einen Räderkasten aufweist, der auf der Bearbeitung der Dichtfläche zum Räderkastendeckel, die in einem Winkel von etwa 94° zur Senkrechten bezüglich der Ölwannenflanschfläche angeordnet ist, lösbar befestigt angeordnet ist.Further, the invention provides that the crankcase has a cover or a gear box, which is arranged releasably secured to the processing of the sealing surface to the timing case cover, which is arranged at an angle of about 94 ° to the vertical with respect to the Ölwannenflanschfläche.

Andere erfindungsgemäße Ausgestaltungen ergeben sich aus den Unteransprüchen.Other embodiments of the invention will become apparent from the dependent claims.

In den Zeichnungen werden bevorzugte Ausführungsbeispiele dargestellt, es zeigen:

Fig. 1
eine Seitenansicht eines Kurbelgehäuses mit 94° Schräge für den Räderkasten
Fig. 2
Bearbeitung der Dichtfläche zum Räderkastendeckel samt Gewindebohrungen zur Aufnahme des SAE-Gehäuses
Fig. 3
Seitenansicht eines Kurbelgehäuses mit 94° Schräge mit Räderkasten gemäß Fig.1
Fig. 4a, b
Draufsicht auf das Kurbelgehäuse gemäß Fig. 1 von unten auf die Ölwannendichtungsfläche mit montierter Kurbelwelle
Fig. 5a, b
Draufsicht auf das Kurbelgehäuse gemäß Fig. 4 von unten auf die Ölwannendichtungsfläche mit montiertem Räderkastendeckel
Fig. 6a
einteiligen Räderkastendeckel
Fig. 6b
zweiteiligen Räderkastendeckel
In the drawings preferred embodiments are shown, show:
Fig. 1
a side view of a crankcase with 94 ° slope for the gear box
Fig. 2
Machining the sealing surface to the timing case cover, including threaded holes for receiving the SAE housing
Fig. 3
Side view of a crankcase with 94 ° bevel with gearbox according to Fig.1
Fig. 4a, b
Top view of the crankcase according to Fig. 1 from below on the oil sump sealing surface with mounted crankshaft
Fig. 5a, b
Top view of the crankcase according to Fig. 4 from below onto the oil sump sealing surface with mounted timing case cover
Fig. 6a
one-piece timing case cover
Fig. 6b
two-piece timing case cover

Bei der Entwicklung von Brennkraftmaschinen wird großer Wert auf die Kompaktheit dieser Motoren gelegt. Insbesondere die Länge des Motors ist entscheidend, um die Geräte, in die dieser Motor eingebaut werden soll, kompakt zu halten. Ein Kriterium für die Motorlänge ist das Zylinderkurbelgehäuse und die Anbringung der Ölwanne bzw. deren Abdichtung zum Zylinderkurbelgehäuse. Insbesondere bei Motoren mit oben liegender Nockenwelle und Antrieb dieser mittels Zahnräder ist mitbestimmend für die Ölwannendichtfläche und damit für die Motorlänge der Zahnradtrieb.In the development of internal combustion engines, great importance is attached to the compactness of these engines. In particular, the length of the engine is crucial to keep the devices in which this engine is built compact. A criterion for the engine length is the cylinder crankcase and the attachment of the oil pan or its seal to the cylinder crankcase. Especially with engines with overhead camshaft and drive this by means of gears is co-determining the oil pan sealing surface and thus the engine length of the gear drive.

Das Zylinderkurbelgehäuse (1) hat für das Zahnrad zur im Zylinderkopf gelagerten Nockenwelle einen abgedichteten Durchtritt (2). Die anderen kurbelgehäuseseitigen Zahnräder werden über einen Deckel/Räderkasten (3) abgedeckt. Die Ölwannendichtung erfolgt dann über das Kurbelgehäuse und den Deckel. Es gibt Lösungen, bei denen auf den dichtungsumbauten Balkon zum Zylinderkopf verzichtet werden kann, in dem man einen Deckel/Räderkasten ausbildet, der sowohl zum Zylinderkopf, als auch zur Ölwanne abdichtet. Das Toleranzproblem, das daraus entsteht, nämlich die Höhe des Zylinderkurbelgehäuses muss der Höhe dieses Räderkastens entsprechen, da andererseits ein Dichtsprung an einer der beiden abzudichtenden Flächen entsteht, ist bisher nicht gelöst. Es gibt Konstruktionen, die ein Kurbelgehäuse aufweist, das mit einem unten umlaufenden Rand versehen ist. Letztere Lösung baut sehr kurz, hat aber den Nachteil, dass die Kurbelwelle, bedingt durch den umlaufenden Rand des Zylinderkurbelgehäuses, so kurz baut, dass diese mit Verlängerungsbauteilen, die den Durchtritt durch die Zylinderkurbelgehäusewand überbrücken, bestückt werden muss, um die Verbindung mit z. B. Zahnräder, Schwungrad und weiteren Anbauteilen zu ermöglichen.The cylinder crankcase (1) has a sealed passage (2) for the gear for the camshaft mounted in the cylinder head. The other crankcase side gears are covered by a cover / wheel box (3). The oil pan gasket is then carried over the crankcase and the lid. There are solutions in which it is possible to dispense with the gasket on the balcony to the cylinder head, in which one forms a lid / gear box, which seals both to the cylinder head, and to the oil pan. The tolerance problem that arises from it, namely the height of the cylinder crankcase must correspond to the height of this gear box, on the other hand, a leap on one of the two surfaces to be sealed arises, has not been solved. There are constructions that has a crankcase that is provided with a bottom peripheral edge. The latter solution builds very short, but has the disadvantage that the crankshaft, due to the peripheral edge of the cylinder crankcase, builds so short that it must be equipped with extension components that bridge the passage through the cylinder crankcase wall to connect to z. As gears, flywheel and other attachments to allow.

Die vorliegende Lösung ermöglicht es, die Baulänge des Motors zu verringern, ohne die Nachteile der mehrteiligen Kurbelwelle in Kauf nehmen zu müssen. Dies wird erreicht, indem an der Seite des Zylinderkurbelgehäuses, an der der Rädertrieb angeordnet ist, eine Bearbeitung der Dichtfläche zum Räderkastendeckel durchgeführt ist, die unter einem Winkel, z. B. 94°, bezogen auf die Senkrechte zur Ölwannendichtfläche, erfolgt, der so gewählt ist, dass der zum Zylinderkopf erforderliche Durchtritt 2 des Zahnrades abgedichtet bleibt und das Zylinderkurbelgehäuse zur Ölwanne/Ölwannendichtfläche hin stetig kürzer wird 4. Die jetzt an der Ölwanne örtlich fehlende Dichtgegenkontur 5 wird dann von dem Räderkastendeckel gebildet, der den Komplementärwinkel zur Fläche des Zylinderkurbelgehäuses aufweist. Der Räderkastendeckel ist hier einteilig 6 oder zweiteilig 7 mit dem Anschlussgehäuse ausgebildet. Die Befestigungsschrauben und die Zentrierungen des Anschlussgehäuses/Räderkasten sind so ausgebildet, vorteilhafterweise parallel zur Kurbelwellenlängsachse, dass die Fluchtung des Gehäuses zur Mitte Kurbelwelle gegeben ist. Eine Stufung der Anschraubbutzen, die sich aus der Bearbeitungsschräge ergibt, ist möglich 8. Eine Alternative der Befestigungsschrauben ist, die Zentrierbohrung parallel zur Kurbelwellenlängsachse auszubilden und die Befestigungsschrauben senkrecht zur Dichtfläche. Dadurch ist ebenso eine genaue Zentrierung möglich und beim Anschraubvorgang entsteht winkelbedingt keine Querkraft, die eine Verschiebung der Bauteile untereinander bewirken kann und somit die Genauigkeit Anschlussgehäuse zu Mitte Kurbelwelle negativ beeinflussen könnte.The present solution makes it possible to reduce the length of the engine without having to accept the disadvantages of the multi-part crankshaft. This is achieved by on the side of the cylinder crankcase, on which the gear drive is arranged, a processing of the sealing surface is performed to the timing case cover, which at an angle, for. B. 94 °, based on the perpendicular to the oil pan sealing surface, takes place, so chosen is that the required passage to the cylinder head 2 of the gear remains sealed and the cylinder crankcase to the oil pan / oil pan sealing surface is steadily shorter 4. The now on the oil pan locally missing sealing counter-contour 5 is then formed by the timing case cover having the complementary angle to the surface of the cylinder crankcase , The timing case cover is here in one piece 6 or two parts 7 formed with the connection housing. The fastening screws and the centering of the connection housing / gear box are formed, advantageously parallel to the crankshaft longitudinal axis, that the alignment of the housing is given to the center crankshaft. A grading of the Anschraubbutzen, resulting from the working slope, is possible 8. An alternative of the fastening screws is to form the center hole parallel to the crankshaft longitudinal axis and the mounting screws perpendicular to the sealing surface. As a result, a precise centering is possible and the Anschraubvorgang caused by angle no transverse force that can cause a shift of the components with each other and thus could affect the accuracy of connection housing to the middle crankshaft negative.

In Fig. 1 wird ein Zylinderkurbelgehäuse 1 mit einem Durchtritt für das Zahnrad zur Nockenwelle 2 dargestellt. Ein in Fig. 1 nicht dargestellter Deckel/Räderkasten 3 würde an der Bearbeitung der Dichtfläche zum Räderkastendeckel 4 anliegen, wobei der nicht dargestellte Räderkastendeckel 3 eine Dichtgegenkontur am Räderkastendeckel 5 aufweist. Die Räderkastendeckel können einteilig (6) oder zweiteilig (7) sein. Die Stufung der Anschraubbutzen 8, die sich aus der Bearbeitungsschräge gemäß Fig. 1 ergibt, ist in Fig. 2 dargestellt. Die Ölwannendichtungsfläche 9 ist am unteren Ende des Kurbelgehäuses 1 angeordnet. Im oberen Bereich des Kurbelgehäuses 1 ist ein Abgasrückführungs(AGR)-Kanal 10 angeordnet. Auf gleicher Höhe, links von AGR-Kanal 10 befindet sich die AGR-Kühleraufnahme 11. Unter dem AGR-Kanal 10 und der AGR-Kühleraufnahme 11 befindet sich die Anlasseraufnahme 12. Schräg oberhalb des AGR-Kanals an der einen Stirnseite des Kurbelgehäuses 1 befindet sich eine nasenartige Materialansammlung im Bereich des Durchtritts des Zahnrads zur Nockenwelle 13, die an die Zylinderkopfdichtungsfläche 14 angrenzt.In Fig. 1 a cylinder crankcase 1 is shown with a passage for the gear to the camshaft 2. An in Fig. 1 not shown cover / gear box 3 would abut the machining of the sealing surface to the timing case cover 4, wherein the timing case cover 3, not shown, a sealing counter contour on the timing case cover 5 has. The timing case covers may be one-piece (6) or two-piece (7). The grading of Anschraubbutzen 8, resulting from the processing slope in accordance with Fig. 1 results in is Fig. 2 shown. The oil sump sealing surface 9 is arranged at the lower end of the crankcase 1. In the upper region of the crankcase 1, an exhaust gas recirculation (EGR) channel 10 is arranged. At the same level, to the left of EGR channel 10, there is the EGR cooler receptacle 11. Under the EGR channel 10 and the EGR cooler receptacle 11, the starter receptacle 12 is located obliquely above the EGR channel on one end side of the crankcase 1 itself a nose-like Material accumulation in the region of the passage of the gear to the camshaft 13, which is adjacent to the cylinder head gasket surface 14.

Fig. 3 zeigt ein Zylinderkurbelgehäuse 1 mit einem Durchtritt für das Zahnrad zur Nockenwelle 2. Der Deckel bzw. Räderkasten 3 liegt an der in Fig. 1 dargestellten Bearbeitung der Dichtfläche zum Räderkastendeckel 4 an, wobei der Räderkastendeckel 3 eine Dichtgegenkontur am Räderkastendeckel 5 aufweist, die in den Fig. 6a und 6b gezeigt werden. Die Räderkastendeckel können einteilig 6 oder zweiteilig 7 sein, was ebenfalls in den Fig. 6a und 6b zu sehen ist. Die Stufung der Anschraubbutzen 8, die sich aus der Bearbeitungsschräge gemäß Fig. 1 ergibt, ist in Fig. 2 dargestellt und dient der Verbindung von Zylinderkurbelgehäuse 1 und Räderkastendeckel 3. Die Ölwannendichtungsfläche 9 ist am unteren Ende des Kurbelgehäuses 1 angeordnet. Im oberen Bereich des Kurbelgehäuses 1 ist ein Abgasrückführungs(AGR)-Kanal 10 unterhalb der Zylinderkopfdichtungsfläche 14 angeordnet. Auf gleicher Höhe, links von AGR-Kanal 10 und unterhalb der Zylinderkopfdichtungsfläche 14 befindet sich die AGR-Kühleraufnahme 11. Unter dem AGR-Kanal 10 und der AGR-Kühleraufnahme 11 befindet sich die Anlasseraufnahme 12. Schräg oberhalb des AGR-Kanals an der einen Stirnseite des Kurbelgehäuses 1 befindet sich eine nasenartige Materialansammlung im Bereich des Durchtritts des Zahnrads zur Nockenwelle 13, die an die Zylinderkopfdichtungsfläche 14 angrenzt. Fig. 3 shows a cylinder crankcase 1 with a passage for the gear to the camshaft 2. The lid or gear box 3 is located on the in Fig. 1 illustrated processing of the sealing surface to the timing case cover 4, wherein the timing case cover 3 has a sealing counter contour on the timing case cover 5, in the Fig. 6a and 6b to be shown. The timing case cover can be one piece 6 or two parts 7, which also in the Fig. 6a and 6b you can see. The grading of Anschraubbutzen 8, resulting from the processing slope in accordance with Fig. 1 results in is Fig. 2 and serves to connect the cylinder crankcase 1 and the timing case cover 3. The oil pan sealing surface 9 is arranged at the lower end of the crankcase 1. In the upper region of the crankcase 1, an exhaust gas recirculation (EGR) passage 10 is disposed below the cylinder head sealing surface 14. At the same level, to the left of EGR channel 10 and below the cylinder head gasket surface 14, there is the EGR cooler receptacle 11. Under the EGR channel 10 and the EGR cooler receptacle 11, the starter receptacle 12 is located obliquely above the EGR channel on one side Front side of the crankcase 1 is a nose-like accumulation of material in the region of the passage of the gear to the camshaft 13, which is adjacent to the cylinder head sealing surface 14.

In Fig. 4a wird eine Draufsicht auf das Kurbelgehäuse 1 gemäß Fig. 1 von unten auf die geteilte Ölwannendichtungsfläche 9 mit montierter (geschrumpft) Kurbelwelle 19 offenbart.In Fig. 4a is a plan view of the crankcase 1 according to Fig. 1 from below on the split sump gasket surface 9 with mounted (shrunk) crankshaft 19 disclosed.

Fig. 4b zeigt eine Draufsicht auf das Kurbelgehäuse 1 gemäß Fig. 1 von unten auf die geschlossene Ölwannendichtungsfläche 9 mit gebauter (geschraubt) Kurbelwelle 18 offenbart. Fig. 4b shows a plan view of the crankcase 1 according to Fig. 1 from below on the closed sump gasket surface 9 with built (screwed) crankshaft 18 disclosed.

Fig. 5 a stellt eine Draufsicht auf das Kurbelgehäuse gemäß Fig. 4a, b von unten auf die Ölwannendichtungsfläche 9 mit montiertem Räderkastendeckel 3, der zweiteilig 7 ist, sowie mit geteiltem Ölwannenflansch dar. Fig. 5 a is a plan view of the crankcase according to Fig. 4a, b from below on the oil sump sealing surface 9 with mounted timing case cover 3, which is in two parts 7, as well as with divided Ölwannenflansch.

Fig. 5 b stellt eine Draufsicht auf das Kurbelgehäuse gemäß Fig. 4a, b von unten auf die Ölwannendichtungsfläche 9 ohne montiertem Räderkastendeckel 3 mit geschlossenem Ölwannenflansch 9 dar. Fig. 5 b represents a plan view of the crankcase according to Fig. 4a, b from below on the oil pan sealing surface 9 without mounted timing case cover 3 with closed Ölwannenflansch 9 is.

In Fig. 6a und 6b weist der Räderkastendeckel 3 eine Dichtgegenkontur am Räderkastendeckel 5 auf, die in den Fig. 6a und 6b gezeigt werden. Die Räderkastendeckel können einteilig 6 oder zweiteilig 7 sein.In Fig. 6a and 6b has the timing case cover 3 a sealing counter contour on the timing case cover 5, which in the Fig. 6a and 6b to be shown. The timing case covers can be one piece 6 or two pieces 7.

Bezugszeichenreference numeral

11
Zylinderkurbelgehäusecylinder crankcase
22
Durchtritt für das Zahnrad zur NockenwellePassage for the gear to the camshaft
33
Deckel/RäderkastendeckelLid / timing case cover
44
Bearbeitung der Dichtfläche zum Deckel/RäderkastendeckelMachining the sealing surface to the cover / timing case cover
55
Dichtgegenkontur am Deckel/RäderkastendeckelSealing counter contour on the cover / timing case cover
66
Räderkastendeckel einteiligGearbox cover one-piece
77
Räderkastendeckel zweiteiligGearbox cover two-piece
88th
Stufung der Anschraubbutzen, die sich aus der Bearbeitungsschräge ergibtStaging of the screw-on trims, which results from the processing slope
99
ÖlwannendichtungsflächeOil pan sealing surface
1010
AGR-KanalEGR passage
1111
AGR-KühleraufnahmeEGR cooler intake
1212
Anlasseraufnahmestarter recording
1313
nasenartige Materialansammlung im Bereich des Durchtritts des Zahnrads zur Nockenwellenose-like accumulation of material in the region of the passage of the gear to the camshaft
1414
ZylinderkopfdichtungsflächeCylinder head gasket surface
1515
Dichtungsfläche AGR-KühlerSealing surface EGR cooler
1818
gebaute/geschraubte Kurbelwelle für ein Zylinderkurbelgehäuse mit geschlossenem Ölwannenflanschassembled / bolted crankshaft for a cylinder crankcase with closed oil pan flange
1919
geschrumpfte Kurbelwelle für ein Zylinderkurbelgehäuse mit geteiltem ÖlflanschShrunk crankshaft for a cylinder crankcase with split oil flange

Claims (10)

Kurbelgehäuse für eine Brennkraftmaschine mit wenigstens einem Ölwannenflansch und einteiliger Kurbelwelle wobei wenigstens eine Stirnseite des Kurbelgehäuses, an der beispielsweise der Rädertrieb angeordnet ist, eine Bearbeitung der Dichtfläche zum Deckel/Räderkastendeckel hin aufweist, die in einem Winkel von etwa 94° zur Senkrechten bezüglich der Ölwannenflanschfläche angeordnet ist.Crankcase for an internal combustion engine with at least one Ölwannenflansch and one-piece crankshaft wherein at least one end face of the crankcase, on which, for example, the wheel drive is arranged, a processing of the sealing surface to the cover / timing case cover out at an angle of about 94 ° to the vertical with respect to the Ölwannenflanschfläche is arranged. Kurbelgehäuse für eine Brennkraftmaschine nach Anspruch 1,
dadurch gekennzeichnet, dass es einen Deckel/Räderkasten (3) aufweist, der auf der Bearbeitung der Dichtfläche zum Räderkastendeckel, die in einem Winkel von etwa 94° zur Senkrechten bezüglich der Ölwannenflanschfläche angeordnet ist, lösbar befestigt angeordnet ist.Crankcase for an internal combustion engine according to claim 1,
characterized in that it comprises a cover / gearbox (3) detachably mounted on the machining of the sealing surface to the timing case cover disposed at an angle of about 94 ° to the vertical with respect to the oil pan flange surface. Kurbelgehäuse für eine Brennkraftmaschine nach Anspruch 1,
dadurch gekennzeichnet, dass der Deckel/Räderkasten (3) mittels der im Kurbelgehäuse angeordneten Gewindebohrungen 8 und den korrespondierenden Schrauben am Kurbelgehäuse befestigt wird.Crankcase for an internal combustion engine according to claim 1,
characterized in that the cover / gear box (3) is fixed by means of the crankcase arranged in the threaded holes 8 and the corresponding screws on the crankcase. Kurbelgehäuse für eine Brennkraftmaschine nach einem oder mehreren der vorgenannten Ansprüche,
dadurch gekennzeichnet, dass der Deckel/Räderkasten (3) eine korrespondierende Bearbeitung der Dichtfläche mit einem Winkel von etwa 4° zur Senkrechten bezüglich der Ölwannenflanschfläche zur dichtenden Verbindung mit der Stirnseite des Kurbelgehäuses (1) aufweist.Crankcase for an internal combustion engine according to one or more of the preceding claims,
characterized in that the cover / gear box (3) has a corresponding machining of the sealing surface at an angle of about 4 ° to the vertical with respect to the Ölwannenflanschfläche for sealing connection with the end face of the crankcase (1). Kurbelgehäuse für eine Brennkraftmaschine nach einem oder mehreren der vorgenannten Ansprüche,
dadurch gekennzeichnet, dass das Kurbelgehäuse (1) wenigstens einen integrierten Abgasrückführungskühler (11) aufweist.Crankcase for an internal combustion engine according to one or more of the preceding claims,
characterized in that the crankcase (1) has at least one integrated exhaust gas recirculation cooler (11). Kurbelgehäuse für eine Brennkraftmaschine nach einem oder mehreren der vorgenannten Ansprüche,
dadurch gekennzeichnet, dass das Kurbelgehäuse (1) wenigstens einen Abgasrückführungskanal (10) aufweist.Crankcase for an internal combustion engine according to one or more of the preceding claims,
characterized in that the crankcase (1) has at least one exhaust gas recirculation passage (10). Kurbelgehäuse für eine Brennkraftmaschine nach einem oder mehreren der vorgenannten Ansprüche,
dadurch gekennzeichnet, dass an der dem Räderkasten zugewandten Seite in etwa im Bereich des Durchtritts des Zahnrads zur Nockenwelle (2) an der gegenüber der Ölwannenflanscheite (9) des Kurbelgehäuses liegenden Zylinderkopfdichtungsseite (14) eine nasenartige Materialansammlung (13) angeordnet ist.Crankcase for an internal combustion engine according to one or more of the preceding claims,
characterized in that on the side facing the gear box approximately in the region of the passage of the gear to the camshaft (2) on the opposite the Ölwannenflanscheite (9) of the crankcase lying cylinder head gasket side (14) a nose-like material collection (13) is arranged. Kurbelgehäuse für eine Brennkraftmaschine nach einem oder mehreren der vorgenannten Ansprüche,
dadurch gekennzeichnet, dass die nasenartige Materialansammlung (13) im Wesentlichen zwischen der oberen Begrenzung des AGR-Kanals (10) und der Zylinderkopfdichtungsseite angeordnet ist.Crankcase for an internal combustion engine according to one or more of the preceding claims,
characterized in that the nose-like material pool (13) is disposed substantially between the upper boundary of the EGR passage (10) and the cylinder head gasket side. Kurbelgehäuse für eine Brennkraftmaschine nach einem oder mehreren der vorgenannten Ansprüche,
dadurch gekennzeichnet, dass die Bearbeitung der Dichtfläche zum Räderkastendeckel (4) hin, die in einem Winkel von etwa 94° zur Senkrechten bezüglich der Ölwannenflanschfläche des Kurbelgehäuses (9) angeordnet ist, zwischen Ölwannenflanschfläche und der nasenartigen Materialansammlung (13) angeordnet ist.Crankcase for an internal combustion engine according to one or more of the preceding claims,
characterized in that the machining of the sealing surface to the timing case cover (4) disposed at an angle of about 94 ° to the vertical with respect to the Ölwannenflanschfläche the crankcase (9), between the Ölwannenflanschfläche and the nose-like material accumulation (13) is arranged. Brennkraftmaschine mit einem Zylinderkurbelgehäuse und einem Anschlussgehäuse nach einem oder mehreren der vorgenannten Ansprüche.Internal combustion engine with a cylinder crankcase and a connection housing according to one or more of the preceding claims.
EP17000589.6A 2016-05-04 2017-04-07 Internal combustion engine comprising a cylinder crankcase and a connection housing Active EP3242009B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17000589T PL3242009T3 (en) 2016-05-04 2017-04-07 Internal combustion engine comprising a cylinder crankcase and a connection housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016005388.7A DE102016005388A1 (en) 2016-05-04 2016-05-04 Internal combustion engine with a cylinder crankcase and a connection housing

Publications (2)

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EP3242009A1 true EP3242009A1 (en) 2017-11-08
EP3242009B1 EP3242009B1 (en) 2022-01-19

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DE (1) DE102016005388A1 (en)
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09280484A (en) * 1996-04-08 1997-10-31 Suzuki Motor Corp Chain cover mounting structure for internal combustion engine
EP1006273A2 (en) 1998-12-02 2000-06-07 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh Crankcase
DE10220838C1 (en) 2002-05-08 2003-12-18 Porsche Ag Internal combustion engine
DE102004023540A1 (en) * 2004-05-13 2005-12-01 Deutz Ag Internal combustion engine has distribution pipe constructed in one piece with cylinder head and may be constructed in one piece with fresh gas line
DE102004049030A1 (en) * 2004-10-08 2006-04-20 Audi Ag Arrangement of a timing case cover
DE102013213773A1 (en) * 2012-07-19 2014-01-23 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Housing for internal combustion engine, has asymmetric surface areas arranged around circular edge, where each asymmetric surface area exhibits surface outline, which differs from surface outlines of other surface area
DE102013020944A1 (en) * 2013-12-12 2014-08-14 Daimler Ag Internal combustion engine for motor car, has first sealing surface for sealing against steering box cover and second sealing surface for sealing against crankshaft housing, where sealing surfaces include inner angle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08151955A (en) * 1994-11-29 1996-06-11 Daihatsu Motor Co Ltd Seal structure for cylinder head
DE102005059006A1 (en) * 2005-12-08 2007-06-14 Deutz Ag Exhaust gas recirculation (EGR) system for loaded- or suction-type internal combustion (IC) engine, directly connects exhaust gas cooler with control valve housing, with coolant line connection located in-between

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09280484A (en) * 1996-04-08 1997-10-31 Suzuki Motor Corp Chain cover mounting structure for internal combustion engine
EP1006273A2 (en) 1998-12-02 2000-06-07 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh Crankcase
DE10220838C1 (en) 2002-05-08 2003-12-18 Porsche Ag Internal combustion engine
DE102004023540A1 (en) * 2004-05-13 2005-12-01 Deutz Ag Internal combustion engine has distribution pipe constructed in one piece with cylinder head and may be constructed in one piece with fresh gas line
DE102004049030A1 (en) * 2004-10-08 2006-04-20 Audi Ag Arrangement of a timing case cover
DE102013213773A1 (en) * 2012-07-19 2014-01-23 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Housing for internal combustion engine, has asymmetric surface areas arranged around circular edge, where each asymmetric surface area exhibits surface outline, which differs from surface outlines of other surface area
DE102013020944A1 (en) * 2013-12-12 2014-08-14 Daimler Ag Internal combustion engine for motor car, has first sealing surface for sealing against steering box cover and second sealing surface for sealing against crankshaft housing, where sealing surfaces include inner angle

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ES2907653T3 (en) 2022-04-25
DE102016005388A1 (en) 2017-11-09
PL3242009T3 (en) 2022-05-09
EP3242009B1 (en) 2022-01-19

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