EP0663522A1 - Crankcase for an internal combustion engine - Google Patents

Crankcase for an internal combustion engine Download PDF

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Publication number
EP0663522A1
EP0663522A1 EP94118456A EP94118456A EP0663522A1 EP 0663522 A1 EP0663522 A1 EP 0663522A1 EP 94118456 A EP94118456 A EP 94118456A EP 94118456 A EP94118456 A EP 94118456A EP 0663522 A1 EP0663522 A1 EP 0663522A1
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EP
European Patent Office
Prior art keywords
stiffening plate
crankcase
flange
oil pan
oil
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
EP94118456A
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German (de)
French (fr)
Other versions
EP0663522B1 (en
EP0663522B2 (en
Inventor
Rudolf Unger
Engelbert Dipl.-Ing. Wührer
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.)
MAN Truck and Bus Osterreich AG
Original Assignee
Steyr Nutzfahrzeuge AG
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Publication date
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Application filed by Steyr Nutzfahrzeuge AG filed Critical Steyr Nutzfahrzeuge AG
Publication of EP0663522A1 publication Critical patent/EP0663522A1/en
Publication of EP0663522B1 publication Critical patent/EP0663522B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • 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
    • F02F7/0002—Cylinder arrangements
    • F02F7/0007—Crankcases of engines with cylinders in line

Definitions

  • the invention relates to a crankcase for internal combustion engines, in which a stiffening plate is provided between a crankcase flange and an oil pan flange, sealing means being provided between the crankcase flange and stiffening plate on the one hand and stiffening plate and oil pan flange on the other hand, and having a circumferential edge of the stiffening plate below crankshaft bearings and transverse webs the stiffening plate is connected to the crankcase flange by means of continuous screws.
  • a stiffening plate for a crankcase which is arranged between a crankcase flange and an oil pan flange. A circumferential edge of the stiffening plate is connected below the crankshaft bearings by means of crossbars.
  • a soft material seal is provided for sealing between the crankcase flange and the stiffening plate on the one hand and between the stiffening plate and oil pan flange on the other hand.
  • the stiffening plate is connected to the crankcase flange using continuous screws. Since the known stiffening plate has only a limited thickness for reasons of weight, a soft material seal must be used in order to be able to guarantee oil tightness in the event of bending stress (because of the deformation occurring) of the stiffening plate. Because of the soft material seal, forces from the crankcase can only be transferred to the stiffening plate to a limited extent. The result is that the side walls of the crankcase vibrate, which give rise to sound radiation and thus to loud engine noise.
  • the object of the invention is to develop the stiffening plate in such a way that vibrations of the side walls of the crankcase can be largely suppressed and airborne sound radiation can be largely avoided.
  • stiffening plate is designed as a casting, with a peripheral edge, the longitudinal spars are connected by transverse webs, which, like the edge, have a large height in comparison to their wall thickness, and that as a sealant between A known liquid seal is provided crankcase flange and stiffening plate.
  • the crosspieces between the longitudinal spars of the edge of the stiffening plate preferably have a U-shaped cross section open to the oil pan. As a result, a high section modulus can be achieved in the stiffening plate with low weight.
  • Oil pans are usually manufactured using the deep-drawing process. Since a specific width-depth ratio cannot be exceeded in the deep-drawing process, an increase in volume of the oil pan at a given depth can only be achieved by widening it, for which purpose the overhanging stiffening plate can form the necessary basis.
  • FIG. 1 shows the view of an internal combustion engine in the direction of the longitudinal axis and a cross section through a stiffening plate 1, which is arranged between a crankcase flange 2 and an oil pan flange 3.
  • the stiffening plate 1 designed as a cast part is connected to the crankcase flange 2 of a crankcase 5 by means of continuous screws 4.
  • a liquid seal known per se and therefore not shown is provided between the stiffening plate 1 and the crankcase flange 2.
  • the sealing of the stiffening plate 1 with respect to the oil pan flange 3 of an oil pan 6 can be implemented as a conventional soft material seal.
  • a circumferential edge 7 of the stiffening plate 1 is connected by transverse webs 8 which act between its longitudinal spars and act as cross-stiffeners.
  • transverse webs 8 act between its longitudinal spars and act as cross-stiffeners.
  • the peripheral edge 7 and the transverse webs 8 have a large height in comparison to his / her wall thickness.
  • Fig. 2 shows the stiffening plate 1 located between the crankcase flange 2 and the oil pan flange 3 in section II-II
  • Fig. 3 shows the latter in plan view.
  • the transverse webs 8 preferably have a U-shaped cross section open towards the oil pan 6, but can also be made simpler.
  • the crosspieces 8 are each arranged below the crankshaft bearing cover. Due to the U-shaped cross-section, a particularly high bending stiffness is achieved with a low weight.
  • a liquid seal known per se can be provided between the crankcase flange 2 and the stiffening plate 1, which allows high support forces in the tensile and compressive direction to be transmitted from the side walls 9 of the crankcase 5 into the stiffening plate 1. By stiffening the side walls 9, vibrations of the same are suppressed and airborne sound radiation is significantly reduced.
  • the height of the stiffening plate 1 is about 1/10 - 1/20 in relation to the height of the crankcase 5, but is matched to the respective engine from case to case.
  • the relatively large height of the peripheral edge 7 shown in FIGS. 1 and 2 in connection with the U-shaped design of the transverse webs 8 results in a high bending stiffness both in the vertical and in the horizontal direction.
  • the stiffening plate 1 is thus stiff in all directions due to the shape according to the invention and will deform only insignificantly under the influence of the forces and moments introduced from the crankcase 5 (FIG. 1, FIG. 2).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

Sealing devices are provided between the crankcase flange and the reinforcement plate and the reinforcement plate and the oil sump flange. An all-round edge of the reinforcement plate has cross-ribs beneath the crankshaft bearings. The reinforcement plate is connected by through screws to the crankcase flange. The reinforcement plate (1) is formed as a cast piece, with an all-round edge (7), whose longitudinal rails are connected by cross-ribs (8), which like the edge have a great height in comparison to their wall thickness. As sealing device between the crankcase flange and the reinforcement plate a known fluid seal is provided.

Description

Die Erfindung bezieht sich auf ein Kurbelgehäuse für Brennkraftmaschinen, bei dem zwischen einem Kurbelgehäuseflansch und einem Ölwannenflansch eine Versteifungsplatte vorgesehen ist, wobei zwischen Kurbelgehäuseflansch und Versteifungsplatte einerseits und Versteifungsplatte und Ölwannenflansch andrerseits Dichtmittel vorgesehen sind und ein umlaufender Rand der Versteifungsplatte unterhalb von Kurbelwellenlagern Querstege aufweist, sowie die Versteifungsplatte mittels durchgehender Schrauben am Kurbelgehäuseflansch angeschlossen ist.The invention relates to a crankcase for internal combustion engines, in which a stiffening plate is provided between a crankcase flange and an oil pan flange, sealing means being provided between the crankcase flange and stiffening plate on the one hand and stiffening plate and oil pan flange on the other hand, and having a circumferential edge of the stiffening plate below crankshaft bearings and transverse webs the stiffening plate is connected to the crankcase flange by means of continuous screws.

Aus der JP-OS 143 321 ist eine Versteifungsplatte für ein Kurbelgehäuse bekannt, die zwischen einem Kurbelgehäuseflansch und einem Ölwannenflansch angeordnet ist. Ein umlaufender Rand der Versteifungsplatte ist unterhalb von Kurbelwellenlagern mittels Querstegen verbunden. Zur Abdichtung wird zwischen Kurbelgehäuseflansch und der Versteifungsplatte einerseits und zwischen Versteifungsplatte und Ölwannenflansch andrerseits je eine Weichstoffdichtung vorgesehen. Die Versteifungsplatte wird mittels durchgehender Schrauben am Kurbelgehäuseflansch angeschlossen. Da die bekannte Versteifungsplatte aus Gewichtsgründen nur eine begrenzte Dicke aufweist, muß man eine Weichstoffdichtung anwenden, um bei Biegebeanspruchung (wegen der auftretenden Verformung) der Versteifungsplatte Öldichtheit garantieren zu können. Wegen der Weichstoffdichtung können Kräfte aus dem Kurbelgehäuse nur bedingt auf die Versteifungsplatte übertragen werden. Die Folge ist, daß die Seitenwände des Kurbelgehäuses Schwingungen ausführen, die zur Schallabstrahlung und somit zu lautem Motorgeräusch Anlaß geben.From JP-OS 143 321 a stiffening plate for a crankcase is known, which is arranged between a crankcase flange and an oil pan flange. A circumferential edge of the stiffening plate is connected below the crankshaft bearings by means of crossbars. A soft material seal is provided for sealing between the crankcase flange and the stiffening plate on the one hand and between the stiffening plate and oil pan flange on the other hand. The stiffening plate is connected to the crankcase flange using continuous screws. Since the known stiffening plate has only a limited thickness for reasons of weight, a soft material seal must be used in order to be able to guarantee oil tightness in the event of bending stress (because of the deformation occurring) of the stiffening plate. Because of the soft material seal, forces from the crankcase can only be transferred to the stiffening plate to a limited extent. The result is that the side walls of the crankcase vibrate, which give rise to sound radiation and thus to loud engine noise.

Aufgabe der Erfindung ist es, die Versteifungsplatte so weiterzubilden, daß Schwingungen der Seitenwände des Kurbelgehäuses weitgehend unterdrückbar und eine Luftschallabstrahlung derselben weitestgehend vermeidbar sind.The object of the invention is to develop the stiffening plate in such a way that vibrations of the side walls of the crankcase can be largely suppressed and airborne sound radiation can be largely avoided.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß die Versteifungsplatte als Gußstück ausgeführt ist, mit einem umlaufenden Rand, dessen Längsholme durch Querstege verbunden sind, die ebenso wie der Rand eine große Höhe im Vergleich zu ihrer/seiner Wandstärke besitzen, und daß als Dichtmittel zwischen Kurbelgehäuseflansch und Versteifungsplatte eine bekannte Flüssigkeitsdichtung vorgesehen ist.This object is achieved in that the stiffening plate is designed as a casting, with a peripheral edge, the longitudinal spars are connected by transverse webs, which, like the edge, have a large height in comparison to their wall thickness, and that as a sealant between A known liquid seal is provided crankcase flange and stiffening plate.

Durch die hohe Biegesteifigkeit der gegossenen Versteifungsplatte bei geringem Eigengewicht werden Verformungen der Platte weitgehend vermieden. Aus diesem Grund kann man auf Weichstoffdichtungen verzichten. Außerdem können Abstützkräfte in Zug- und Druckrichtung weitaus effizienter vom Kurbelgehäuseflansch auf die Versteifungsplatte übertragen werden. Die Folge ist eine Unterdrückung von Schwingungen der Kurbelgehäuseseitenwände und damit eine spürbare Reduktion der Luftschallabstrahlung.Due to the high bending stiffness of the cast stiffening plate with low weight, deformation of the plate is largely avoided. For this reason, there is no need for soft material seals. In addition, support forces in the pulling and pushing directions can be transferred from the crankcase flange to the stiffening plate much more efficiently. The result is a suppression of vibrations in the crankcase side walls and thus a noticeable reduction in airborne noise emissions.

Die Querstege zwischen den Längsholmen des Randes der Versteifungsplatte haben vorzugsweise einen U-förmigen, zur Ölwanne hin offenen Querschnitt. Dadurch läßt sich bei geringem Gewicht ein hohes Widerstandsmoment in der Versteifungsplatte erzielen.The crosspieces between the longitudinal spars of the edge of the stiffening plate preferably have a U-shaped cross section open to the oil pan. As a result, a high section modulus can be achieved in the stiffening plate with low weight.

Eine weitere vorteilhafte Ausgestaltung der Erfindung ist darin begründet, daß die Versteifungsplatte den Kurbelgehäuseflansch - in der Draufsicht gesehen - zumindest partiell überragt, soweit, daß

  • a) auf deren überkragender Oberseite Maschinenteile und/oder Nebenaggregate und/oder Befestigungsvorrichtungen für diese angebracht werden können,
  • b) im überkragenden Bereich Vorkehrungen, z.B. für eine Öleinfüllung, die Aufnahme eines Ölmeßstabes und einen Ölrücklauf von einem Abgasturbolader, angeordnet sein können, und
  • c) am Randbereich der überkragenden Unterseite eine entsprechend volumenmäßig vergrößerte, oder in ihrer Bauhöhe reduzierte, volumenmäßig gleichbleibende, ein- oder mehrteilige Ölwanne angebracht werden kann.
A further advantageous embodiment of the invention is based on the fact that the stiffening plate - viewed in plan view - at least partially projects beyond the crankcase flange to the extent that
  • a) machine parts and / or auxiliary units and / or fastening devices for these can be attached to the projecting upper side thereof,
  • b) precautions, for example for an oil filler, the inclusion of an oil dipstick and an oil return from an exhaust gas turbocharger, can be arranged, and
  • c) at the edge area of the overhanging underside a correspondingly enlarged or reduced in height, volume-consistent, one or more-part oil pan can be attached.

Ölwannen werden in der Regel im Tiefziehverfahren hergestellt. Da beim Tiefziehverfahren ein bestimmtes Breiten-Tiefen-Verhältnis nicht überschritten werden kann, läßt sich eine Volumenvergrößerung der Ölwanne bei vorgegebener Tiefe nur durch deren Verbreiterung erreichen, wozu die überkragende Versteifungsplatte die notwendige Basis bilden kann.Oil pans are usually manufactured using the deep-drawing process. Since a specific width-depth ratio cannot be exceeded in the deep-drawing process, an increase in volume of the oil pan at a given depth can only be achieved by widening it, for which purpose the overhanging stiffening plate can form the necessary basis.

Ein Ausführungsbeispiel der Erfindung ist nachfolgend anhand der Zeichnung näher erläutert. In der Zeichnung zeigen:

Fig. 1
eine Ansicht eines Kurbelgehäuses mit Ölwanne und einen Querschnitt I - I durch die Versteifungsplatte,
Fig. 2
eine Seitenansicht einer Brennkraftmaschine mit einer im Schnitt II-II dargestellten Versteifungsplatte, und
Fig. 3
eine Draufsicht auf die Versteifungsplatte mit darunter liegender Ölwanne.
An embodiment of the invention is explained below with reference to the drawing. The drawing shows:
Fig. 1
a view of a crankcase with an oil pan and a cross section I - I through the stiffening plate,
Fig. 2
a side view of an internal combustion engine with a stiffening plate shown in section II-II, and
Fig. 3
a plan view of the stiffening plate with the underlying oil pan.

Fig. 1 zeigt die Ansicht einer Brennkraftmaschine in Richtung der Längsachse und einen Querschnitt durch eine Versteifungsplatte 1, welche zwischen einem Kurbelgehäuseflansch 2 und einem Ölwannenflansch 3 angeordnet ist. Die als Gußteil ausgeführte Versteifungsplatte 1 ist mittels durchgehender Schrauben 4 am Kurbelgehäuseflansch 2 eines Kurbelgehäuses 5 angeschlossen. Zwischen Versteifungsplatte 1 und Kurbelgehäuseflansch 2 ist eine an sich bekannte und deshalb nicht näher dargestellte Flüssigkeitsdichtung vorgesehen. Die Abdichtung der Versteifungsplatte 1 gegenüber dem Ölwannenflansch 3 einer Ölwanne 6 kann als übliche Weichstoffdichtung ausgeführt sein.1 shows the view of an internal combustion engine in the direction of the longitudinal axis and a cross section through a stiffening plate 1, which is arranged between a crankcase flange 2 and an oil pan flange 3. The stiffening plate 1 designed as a cast part is connected to the crankcase flange 2 of a crankcase 5 by means of continuous screws 4. Between the stiffening plate 1 and the crankcase flange 2, a liquid seal known per se and therefore not shown is provided. The sealing of the stiffening plate 1 with respect to the oil pan flange 3 of an oil pan 6 can be implemented as a conventional soft material seal.

Ein umlaufender Rand 7 der Versteifungsplatte 1 ist durch sich zwischen seinen Längsholmen erstreckende, querversteifend wirkende Querstege 8 verbunden. Zur Erzielung hoher Biegesteifigkeit bei gleichzeitig geringerem Gewicht weisen der umlaufende Rand 7 und die Querstege 8 eine große Höhe im Vergleich zu seiner/ihrer Wandstärke auf.A circumferential edge 7 of the stiffening plate 1 is connected by transverse webs 8 which act between its longitudinal spars and act as cross-stiffeners. In order to achieve high bending stiffness and at the same time less weight, the peripheral edge 7 and the transverse webs 8 have a large height in comparison to his / her wall thickness.

Fig. 2 zeigt die zwischen Kurbelgehäuseflansch 2 und Ölwannenflansch 3 befindliche Versteifungsplatte 1 im Schnitt II-II, Fig. 3 zeigt letztere in Draufsicht. Die Querstege 8 weisen vorzugsweise einen U-förmigen, zur Ölwanne 6 hin offenen Querschnitt auf, können aber auch einfacher gestaltet sein.Fig. 2 shows the stiffening plate 1 located between the crankcase flange 2 and the oil pan flange 3 in section II-II, Fig. 3 shows the latter in plan view. The transverse webs 8 preferably have a U-shaped cross section open towards the oil pan 6, but can also be made simpler.

Die Querstege 8 sind jeweils unterhalb der Kurbelwellenlagerdeckel angeordnet. Durch den U-förmigen Querschnitt erzielt man eine besonders hohe Biegesteifigkeit bei geringem Eigengewicht.The crosspieces 8 are each arranged below the crankshaft bearing cover. Due to the U-shaped cross-section, a particularly high bending stiffness is achieved with a low weight.

Aufgrund der Charakteristik der Versteifungsplatte 1 kann man zwischen Kurbelgehäuseflansch 2 und Versteifungsplatte 1 eine an sich bekannte Flüssigkeitsdichtung vorsehen, welche es gestattet, hohe Abstützkräfte in Zug- und Druckrichtung aus den Seitenwänden 9 des Kurbelgehäuses 5 in die Versteifungsplatte 1 zu übertragen. Durch die Versteifung der Seitenwände 9 werden Schwingungen derselben unterdrückt und eine Luftschallabstrahlung nennenswert reduziert.Due to the characteristics of the stiffening plate 1, a liquid seal known per se can be provided between the crankcase flange 2 and the stiffening plate 1, which allows high support forces in the tensile and compressive direction to be transmitted from the side walls 9 of the crankcase 5 into the stiffening plate 1. By stiffening the side walls 9, vibrations of the same are suppressed and airborne sound radiation is significantly reduced.

Die Höhe der Versteifungsplatte 1 beträgt in Bezug auf die Höhe des Kurbelgehäuses 5 etwa 1/10 - 1/20, wird aber von Fall zu Fall auf den jeweiligen Motor abgestimmt. Die aus den Fig. 1 und 2 ersichtliche relativ große Höhe des umlaufenden Randes 7 in Verbindung mit der U-förmigen Ausbildung der Querstege 8 ergibt eine hohe Biegesteifigkeit sowohl in vertikaler als auch in horizontaler Richtung.The height of the stiffening plate 1 is about 1/10 - 1/20 in relation to the height of the crankcase 5, but is matched to the respective engine from case to case. The relatively large height of the peripheral edge 7 shown in FIGS. 1 and 2 in connection with the U-shaped design of the transverse webs 8 results in a high bending stiffness both in the vertical and in the horizontal direction.

Die Versteifungsplatte 1 ist also durch die erfindungsgemäße Formgebung nach allen Richtungen steif und wird sich unter dem Einfluß der aus dem Kurbelgehäuse 5 (Fig. 1, Fig. 2) eingeleiteten Kräfte und Momente nur unwesentlich verformen.The stiffening plate 1 is thus stiff in all directions due to the shape according to the invention and will deform only insignificantly under the influence of the forces and moments introduced from the crankcase 5 (FIG. 1, FIG. 2).

Diese geringe Verformung wiederum gestattet die Anwendung der Flüssigkeitsdichtung, so daß Kräfte und Momente vom Kurbelgehäuse 5 weitaus besser auf die Versteifungsplatte 1 übertragen werden können, als mit üblichen Weichstoffdichtungen. Zum Vergleich: Nach dem Stand der Technik können wegen der geringen Steifigkeit der Versteifungsplatte nur Weichstoffdichtungen verwendet werden, die es nicht erlauben, größere Kräfte oder Momente vom Kurbelgehäuse auf die Versteifungsplatte zu übertragen.This slight deformation in turn permits the use of the liquid seal, so that forces and moments can be transmitted from the crankcase 5 to the stiffening plate 1 much better than with conventional soft material seals. For comparison: According to the state of the art, due to the low stiffness of the stiffening plate, only soft material seals can be used that do not allow larger forces or moments to be transferred from the crankcase to the stiffening plate.

Claims (3)

Kurbelgehäuse für Brennkraftmaschinen, bei dem zwischen einem Kurbelgehäuseflansch und einem Ölwannenflansch eine Versteifungsplatte vorgesehen ist, wobei zwischen Kurbelgehäuseflansch und Versteifungsplatte einerseits und Versteifungsplatte und Ölwannenflansch andrerseits Dichtmittel vorgesehen sind und ein umlaufender Rand der Versteifungsplatte unterhalb von Kurbelwellenlagern Querstege aufweist, sowie die Versteifungsplatte mittels durchgehender Schrauben an den Kurbelgehäuseflansch angeschlossen ist, dadurch gekennzeichnet, daß die Versteifungsplatte (1) als Gußstück ausgeführt ist, mit einem umlaufenden Rand (7), dessen Längsholme durch Querstege (8) verbunden sind, die ebenso wie der Rand (7) eine große Höhe im Vergleich zu ihrer/seiner Wandstärke besitzen, und daß als Dichtmittel zwischen Kurbelgehäuseflansch und Versteifungsplatte (1) eine bekannte Flüssigkeitsdichtung vorgesehen ist.Crankcase for internal combustion engines, in which a stiffening plate is provided between a crankcase flange and an oil pan flange, sealing means being provided between the crankcase flange and stiffening plate on the one hand and stiffening plate and oil pan flange on the other hand, and a circumferential edge of the stiffening plate beneath crankshaft bearings has transverse webs, and by means of the stiffening plate on, by means of stiffeners the crankcase flange is connected, characterized in that the stiffening plate (1) is designed as a casting, with a circumferential edge (7), the longitudinal spars of which are connected by transverse webs (8) which, like the edge (7), have a great height in comparison own their wall thickness and that a known liquid seal is provided as a sealant between the crankcase flange and the stiffening plate (1). Kurbelgehäuse nach Anspruch 1, dadurch gekennzeichnet, daß die Querstege (8) der Versteifungsplatte (1) einen U-förmigen, zur Ölwanne (6) hin offenen Querschnitt aufweisen.Crankcase according to claim 1, characterized in that the transverse webs (8) of the stiffening plate (1) have a U-shaped cross section open towards the oil pan (6). Kurbelgehäuse nach Anspruch 1, dadurch gekennzeichnet, daß die Versteifungsplatte (1) den Kurbelgehäuseflansch (2) - in der Draufsicht gesehen - zumindest partiell überragt, soweit, daß a) auf deren überkragender Oberseite Maschinenteile und/oder Nebenaggregate und/oder Befestigungsvorrichtungen für diese angebracht werden können, b) im überkragenden Bereich Vorkehrungen, z.B. für eine Öleinfüllung, die Aufnahme eines Ölmeßstabes und einen Ölrücklauf von einem Abgasturbolader, angeordnet werden können, und c) am Randbereich der überkragenden Unterseite eine volumenmäßig vergrößerte oder in ihrer Bauhöhe reduzierte, aber volumenmäßig gleichbleibende Ölwanne (6) angebrachtwerden kann. Crankcase according to claim 1, characterized in that the stiffening plate (1) at least partially projects beyond the crankcase flange (2), as seen in plan view, to the extent that a) machine parts and / or auxiliary units and / or fastening devices for these can be attached to the projecting upper side thereof, b) precautions, for example for an oil filling, the inclusion of an oil dipstick and an oil return from an exhaust gas turbocharger, can be arranged, and c) an oil pan (6) which is enlarged in volume or reduced in height but has the same volume can be attached to the edge region of the projecting underside.
EP19940118456 1994-01-14 1994-11-24 Crankcase for an internal combustion engine Expired - Lifetime EP0663522B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT5394 1994-01-14
AT5394A AT404165B (en) 1994-01-14 1994-01-14 CRANKCASE FOR INTERNAL COMBUSTION ENGINES
AT53/94 1994-01-14

Publications (3)

Publication Number Publication Date
EP0663522A1 true EP0663522A1 (en) 1995-07-19
EP0663522B1 EP0663522B1 (en) 1997-10-29
EP0663522B2 EP0663522B2 (en) 2002-11-06

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EP19940118456 Expired - Lifetime EP0663522B2 (en) 1994-01-14 1994-11-24 Crankcase for an internal combustion engine

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EP (1) EP0663522B2 (en)
AT (1) AT404165B (en)
DE (1) DE59404472D1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19754008C2 (en) * 1997-12-05 2003-04-10 Daimler Chrysler Ag reciprocating internal combustion engine
EP1717421A2 (en) 2005-04-25 2006-11-02 MAN Nutzfahrzeuge Österreich AG part of a crankcase
DE102006007421A1 (en) * 2006-02-17 2007-08-30 Deutz Ag Self-ignited internal combustion engine for e.g. commercial vehicle application, has framework e.g. steel plate, along with oil sump, screwed onto flange surface and extending to gear box-front side through surface

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187263A1 (en) * 1984-12-08 1986-07-16 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Casing for an internal-combustion engine
US5024189A (en) * 1989-01-31 1991-06-18 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Engine unit
EP0435847A1 (en) * 1989-12-22 1991-07-03 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Reciprocating internal combustion piston engine

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DE19754008C2 (en) * 1997-12-05 2003-04-10 Daimler Chrysler Ag reciprocating internal combustion engine
EP1717421A2 (en) 2005-04-25 2006-11-02 MAN Nutzfahrzeuge Österreich AG part of a crankcase
AT501798B1 (en) * 2005-04-25 2006-11-15 Man Nutzfahrzeuge Oesterreich CHARGED INTERNAL COMBUSTION ENGINE
EP1717421A3 (en) * 2005-04-25 2008-06-11 MAN Nutzfahrzeuge Österreich AG part of a crankcase
CN1854493B (en) * 2005-04-25 2010-12-08 曼商用车辆奥地利股份公司 Supercharged internal-combustion engine
DE102006007421A1 (en) * 2006-02-17 2007-08-30 Deutz Ag Self-ignited internal combustion engine for e.g. commercial vehicle application, has framework e.g. steel plate, along with oil sump, screwed onto flange surface and extending to gear box-front side through surface

Also Published As

Publication number Publication date
AT404165B (en) 1998-09-25
EP0663522B1 (en) 1997-10-29
EP0663522B2 (en) 2002-11-06
ATA5394A (en) 1998-01-15
DE59404472D1 (en) 1997-12-04

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