EP1799988B1 - Arrangement of a timing case cover - Google Patents
Arrangement of a timing case cover Download PDFInfo
- Publication number
- EP1799988B1 EP1799988B1 EP05792168A EP05792168A EP1799988B1 EP 1799988 B1 EP1799988 B1 EP 1799988B1 EP 05792168 A EP05792168 A EP 05792168A EP 05792168 A EP05792168 A EP 05792168A EP 1799988 B1 EP1799988 B1 EP 1799988B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing surface
- timing case
- arrangement according
- cylinder crankcase
- case cover
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims description 48
- 238000010276 construction Methods 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 101100403083 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cmt gene Proteins 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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
- 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
- F02F7/0043—Arrangements of mechanical drive elements
- F02F7/0046—Shape of casings adapted to facilitate fitting or dismantling of engine parts
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/219—Guards
- Y10T74/2191—Guards for rotary member
Definitions
- the invention relates to an arrangement of a control housing cover on a reciprocating internal combustion engine, according to the preamble of claim 1.
- the object of the invention is to propose an arrangement of the generic type, which allows not only a reliable sealing of the oil pan and the control housing cover a short construction and manufacturing technology favorable design of the internal combustion engine.
- the sealing surface of the control housing cover or the control housing cover viewed in the side view extends obliquely downwards inside, such that ZKG side is created a downwardly decreasing in its depth control housing space.
- the side walls of the ZKG delimiting the control housing space can increase in their longitudinal extent (dimension I) starting from the first bearing cover of the crankshaft bearing. This will save material at the ZKG without any extra casting costs during production.
- the sealing surface of the timing case cover below the crankshaft axis of rotation opposite to said slope forward running down to be structurally favorable to make the connection to the underlying oil pan.
- the sealing surface portions of the sealing surface can be designed in a straightforward manner and inclined at an angle ⁇ of approximately 120 degrees with respect to each other; if necessary, however, it may be structurally advantageous if the lower sealing surface section (16c) of the sealing surface (16) is designed to run out with a radius r at the front.
- the end wall section of the control housing cover can be set back relative to an overlying end wall section. This can be done without manufacturing technology Extra effort of the auxiliary drive for units, for example for an air compressor and / or a generator, be brought closer to the engine zoom.
- the bearing cap can be structurally combined with the other bearing caps of the crankshaft main bearing to form a bed plate construction that partially closes and stiffens the ZKG.
- the bed-plate construction can at the same time carry the sealing surface for the subsequent oil sump.
- the oil sump sealing surface can also be provided directly on the ZKG.
- the ZKG or the bed-plate construction may preferably adjoin the control housing cover below its sealing surface and decoupled from the oil pan sealing surface. The problematic intersecting of the sealing surfaces is thereby avoided
- the upper sealing surface section of the sealing surface of the control housing cover can also be decoupled from the cylinder head connection surface of the CCG with the same advantages.
- Fig. 1 is denoted by 10 a four-cylinder reciprocating piston internal combustion engine, however, which is shown without a cylinder head.
- the internal combustion engine 10 is described only insofar as is necessary for the understanding of the present invention. Incidentally, the internal combustion engine 10 may be known and familiar to the person skilled in the art.
- the sealing surface 16 is formed on sidewalls 12a and on an upper end wall 12b of the ZKG 12 and in the lower region on a bearing cover 50 to be described later.
- the control housing cover 14 includes a shaft-shaped control housing space 18, in which two chain drives 20, 22 are arranged.
- the ZKG 12 immediately adjacent chain drive 20 drives with a sprocket 24 on the front drive pin 26a of the crankshaft 26 via a chain 28 two balance shafts 30, 32, the chain 30 with a sprocket 34 of the balance shaft 30 and with a deflection Sprocket 36 cooperates.
- the deflection sprocket 36 is via spur gears 38, 40 with the second balance shaft 32 drivingly connected.
- the ZKG 12 rotatably mounted balance shafts 30, 32 are thus driven in opposite directions and with double crankshaft speed to form a modified Lancaster mass balance.
- the second chain drive 22 is only partially visible and serves to drive two camshafts for valve control of the internal combustion engine 10, wherein the camshafts are arranged in a known manner in the cylinder head.
- the camshafts are arranged in a known manner in the cylinder head.
- the crankshaft 26 (see. Fig. 1 and 3 ) is rotatably mounted in the known manner via generally designated 46 main bearing in the ZKG.
- the main bearings 46 are composed of a respective upper bearing seat 48 formed in respective transverse walls of the ZKG 12 and lower bearing covers 50 which, together with respective bearing shells (not numbered), comprise the journal 26b of the crankshaft 26.
- Said bearing caps 50 are in a Bed-plate construction 52 (see. Fig. 1 ), which is attached to the ZKG 12 from below and, similarly to a ladder frame, stiffens the ZKG 12 and partially closes it down.
- the bed-plate construction 52 is firmly attached to the ZKG 12 via a planar connection surface 54 and by means of screws (not shown).
- the bed-plate construction 52 is open at the bottom and has a sealing surface 56, to which an oil sump 58 is screwed tightly.
- the control housing cover 14 has a rotationally symmetrical passage opening 14a, through which (and with the interposition of a shaft sealing ring), a pulley 60 of a power take-off not shown 62 is driven by a poly-V belt 64.
- the power take-off 62 may drive an air conditioning compressor, a generator, a power steering pump, etc.
- the sealing surface 16 of the control housing cover 14 extends in a side view with a sealing surface portion 16a obliquely from top to bottom rearward with respect to a vertical, wherein the side walls 12a of the CCG 12 decrease in their longitudinal extent corresponding downwards (see, drawn vertical and dimension I of Fig. 4 ).
- the sidewalls 12a of the ZKG 12 decrease, the sidewalls of the timing cover 14 increase substantially.
- control housing cover 14 By the oblique arrangement of the control housing cover 14 and the recessed end wall portion 14b in the region of the passage opening 14a relative to the overlying end wall portion 14c (see. Fig. 4 Further, the power take-off 62 with its pulley 60 and the poly-V belt 64 can be positioned closer to the front end 26a of the crankshaft 26, thereby shortening the overall length of the engine 10 accordingly.
- the bed-plate construction 52 is designed to be adjacent to the front of the control housing cover 14, said sealing surface 16 incorporated in the first bearing cover 50 having a sealing surface portion 16c with a radius r (FIG. Fig. 4 ) to the end of the bed-plate construction 52 to expire.
- the control housing cover 14 is thus also secured to the bed-plate structure 52 to form a rigid bandage.
- the two sealing surfaces 16c and 56 of the control housing cover 14 and the oil sump 58 are decoupled from each other or separated. This also applies to the upper sealing surface portion 16a of the sealing surface 16 of the Steuergeophusekekels 14, from the cylinder head interface 68 of the ZKG 12 as shown in Fig. 4 is also disconnected or does not cut.
- the sealing surface 16 ( Fig. 2 , shown in cross-hatching) is produced in one operation by milling, wherein the bearing cap 50 and the bed-plate construction 52 is pre-assembled on ZKG 12. Such pre-assembly is required for the machining of eg the bearing bores for the crankshaft 26 anyway.
- the ZKG 12 can also be designed without bed-plate construction 52 with individual bearing caps 50, wherein the said side walls 12a of the ZKG 12 can be pulled down to the described sealing surface 56 for the oil pan 58.
- the sealing surface 16 of the control housing cover 14 can then (see. Fig. 2 ) guided laterally of the bearing cap 50 down and closed with a transverse web or a correspondingly shaped and machined configuration of the bearing cap 50 annular.
- the lower sealing surface portion 16b (dashed lines of FIG Fig. 4 ) be rectilinear and at an angle of about 120 degrees to the upper sealing surface portion 16a, wherein the transition of the sealing surface portions 16a and 16b as shown below the crankshaft axis of rotation is positioned.
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 betrifft eine Anordnung eines Steuergehäusedeckels an einer Hubkolben-Brennkraftmaschine, gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to an arrangement of a control housing cover on a reciprocating internal combustion engine, according to the preamble of claim 1.
Bei herkömmlichen, wie z.B. aus
Aufgabe der Erfindung ist es, eine Anordnung der gattungsgemäßen Art vorzuschlagen, die neben einer zuverlässigen Abdichtung von Ölwanne und Steuergehäusedeckel eine kurz bauende und fertigungstechnisch günstige Konstruktion der Brennkraftmaschine ermöglicht.The object of the invention is to propose an arrangement of the generic type, which allows not only a reliable sealing of the oil pan and the control housing cover a short construction and manufacturing technology favorable design of the internal combustion engine.
Diese Aufgabe wird erfindungsgemäß mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind den weiteren Patentansprüchen entnehmbar.This object is achieved with the characterizing features of claim 1. Advantageous developments of the invention are the further claims removed.
Erfindungsgemäß wird vorgeschlagen, dass die Dichtfläche des Steuergehäusedeckels bzw. der Steuergehäusedeckel in der Seitenansicht betrachtet schräg nach unten innen verläuft, derart, dass ZKG-seitig ein nach unten in seiner Tiefe abnehmender Steuergehäuseraum geschaffen ist. Daraus resultieren sowohl ein gewichtsgünstigeres ZKG, eine erleichterte Montage der Steuerungsbauteile wie Nockenwellentriebe, Ausgleichswellentriebe, Ölpumpentrieb, etc. durch bessere Zugänglichkeit, und eine die Baulänge der Brennkraftmaschine ggf. verkürzende Anpassbarkeit des Steuergehäusedeckels, der z.B. ein gewichtsgünstiges Magnesiumbauteil oder Kunststoffbauteil sein kann. Ferner können verbessert innerhalb des Steuergehäuseraumes und ohne Zunahme der Baulänge der Brennkraftmaschine Funktionsteile, z.B. ein Ölabscheider für die Kurbelgehäuseentlüftung der Brennkraftmaschine, etc angeordnet werden.According to the invention it is proposed that the sealing surface of the control housing cover or the control housing cover viewed in the side view extends obliquely downwards inside, such that ZKG side is created a downwardly decreasing in its depth control housing space. This results Both a lighter-weight ZKG, easier assembly of control components such as camshaft drives, balance shaft drives, oil pump drive, etc. by better accessibility, and a length of the internal combustion engine possibly shortening adaptability of the control housing cover, which may be, for example, a low-weight magnesium component or plastic component. Further, improved within the Steuergehäuseraumes and without increasing the length of the engine functional parts, such as an oil separator for the crankcase ventilation of the engine, etc are arranged.
Dabei können die den Steuergehäuseraum begrenzenden Seitenwände des ZKG ausgehend von dem ersten Lagerdeckel der Kurbelwellenlagerung nach oben in ihrer Längserstreckung (Maß I) zunehmen. Damit wird eine Materialeinsparung am ZKG ohne gießtechnischen Mehraufwand bei der Fertigung erzielt.In this case, the side walls of the ZKG delimiting the control housing space can increase in their longitudinal extent (dimension I) starting from the first bearing cover of the crankshaft bearing. This will save material at the ZKG without any extra casting costs during production.
Ferner kann in Weiterbildung der Erfindung die Dichtfläche des Steuergehäusedeckels unterhalb der Kurbelwellendrehachse entgegen der besagten Schräge nach vorne unten verlaufend ausgeführt sein, um baulich günstig den Anschluss an die darunter liegende Ölwanne herzustellen.Furthermore, in a further development of the invention, the sealing surface of the timing case cover below the crankshaft axis of rotation opposite to said slope forward running down to be structurally favorable to make the connection to the underlying oil pan.
Die Dichtflächenabschnitte der Dichtfläche können fertigungstechnisch günstig geradlinig und in einem Winkel α von ca. 120 Grad zueinander geneigt ausgeführt sein; ggf. kann es jedoch von baulichem Vorteil sein, wenn der untere Dichtflächenabschnitt (16c) der Dichtfläche (16) mit einem Radius r nach vorne auslaufend ausgeführt ist.The sealing surface portions of the sealing surface can be designed in a straightforward manner and inclined at an angle α of approximately 120 degrees with respect to each other; if necessary, however, it may be structurally advantageous if the lower sealing surface section (16c) of the sealing surface (16) is designed to run out with a radius r at the front.
Des weiteren kann ein im Bereich der Durchtrittsöffnung für die Kurbelwelle und benachbart zu einem Antriebsrad des Nebentriebs liegender Stirnwandabschnitt des Steuergehäusedeckels gegenüber einem darüber liegenden Stirnwandabschnitt zurückgesetzt sein. Dadurch kann ohne fertigungstechnischem Mehraufwand der Nebenantrieb für Aggregate, z.B. für einen Klimakompressor und/oder einen Generator, noch näher an die Brennkraftmaschine heran gerückt werden.Furthermore, in the region of the passage opening for the crankshaft and adjacent to a drive wheel of the secondary drive, the end wall section of the control housing cover can be set back relative to an overlying end wall section. This can be done without manufacturing technology Extra effort of the auxiliary drive for units, for example for an air compressor and / or a generator, be brought closer to the engine zoom.
In einer Ausführung des ZKG kann der Lagerdeckel mit den weiteren Lagerdeckeln der Kurbelwellen-Hauptlagerung zu einer das ZKG teilweise nach unten abschließenden und versteifenden Bed-plate Konstruktion baulich vereint sein. Dabei kann dann die Bed-plate Konstruktion zugleich die Dichtfläche für die daran anschließende Ölwanne tragen. Die Ölwannendichtfläche kann aber auch an dem ZKG unmittelbar vorgesehen sein.In one embodiment of the ZKG, the bearing cap can be structurally combined with the other bearing caps of the crankshaft main bearing to form a bed plate construction that partially closes and stiffens the ZKG. At the same time, the bed-plate construction can at the same time carry the sealing surface for the subsequent oil sump. However, the oil sump sealing surface can also be provided directly on the ZKG.
Ferner kann bevorzugt das ZKG oder die Bed-plate Konstruktion an den Steuergehäusedeckel unterhalb dessen Dichtfläche und von der Ölwannendichtfläche entkoppelt angrenzen. Das problematische ineinander schneiden der Dichtflächen wird dadurch vermiedenFurthermore, the ZKG or the bed-plate construction may preferably adjoin the control housing cover below its sealing surface and decoupled from the oil pan sealing surface. The problematic intersecting of the sealing surfaces is thereby avoided
Schließlich kann auch mit gleichen Vorteilen der obere Dichtflächenabschnitt der Dichtfläche des Steuergehäusedeckels von der Zylinderkopf-Anschlussfläche des ZKG entkoppelt sein.Finally, the upper sealing surface section of the sealing surface of the control housing cover can also be decoupled from the cylinder head connection surface of the CCG with the same advantages.
Ein Ausführungsbeispiel der Erfindung ist im folgenden mit weiteren Einzelheiten näher erläutert. Die schematische Zeichnung zeigt in:
- Fig. 1
- eine teilweise raumbildlich dargestellte Vierzylinder-Reihen-Hubkolben-Brennkraftmaschine, mit einem Zylinderkurbelgehäuse, einem stirnseitigen Steuergehäusedeckel, einer Bed-plate Konstruktion und einer Ölwanne;
- Fig. 2
- eine Vorderansicht der Brennkraftmaschine nach
Fig. 1 , bei entferntem Steuergehäusedeckel; - Fig. 3
- einen Schnitt gemäß Linie III - III der
Fig. 2 entlang der Kurbelwellendrehachse durch den ersten Lagerdeckel und den Steuergehäusedeckel; und - Fig. 4
- eine Seitenansicht des ZKG und des Steuergehäusedeckels mit schräger Dichtfläche und zurückgesetztem Stirnwandbereich.
- Fig. 1
- a partially-spaced four-cylinder in-line reciprocating internal combustion engine, with a cylinder crankcase, a front-side control housing cover, a bed-plate construction and an oil pan;
- Fig. 2
- a front view of the internal combustion engine after
Fig. 1 with the timing cover removed; - Fig. 3
- a section according to line III - III of
Fig. 2 along the crankshaft axis of rotation through the first bearing cap and the timing case cover; and - Fig. 4
- a side view of the CCG and the control housing cover with oblique sealing surface and reset end wall area.
In der
Das im Druckgussverfahren hergestellte Zylinderkurbelgehäuse 12 (ZKG) der Brennkraftmaschine 10 weist an seiner Vorderseite (= Steuerungsseite) einen Steuergehäusedeckel 14 auf, der über eine etwa ringförmige Dichtfläche 16 (vgl.
Der Steuergehäusedeckel 14 schließt einen schachtförmigen Steuergehäuseraum 18 ein, in dem zwei Kettentriebe 20, 22 angeordnet sind.The
Der erste, dem ZKG 12 unmittelbar benachbarte Kettentrieb 20 treibt mit einem Kettenrad 24 auf dem vorderen Antriebszapfen 26a der Kurbelwelle 26 über eine Kette 28 zwei Ausgleichswellen 30, 32 an, wobei die Kette 30 mit einem Kettenrad 34 der Ausgleichswelle 30 und mit einem Umlenk-Kettenrad 36 zusammenwirkt. Das Umlenk-Kettenrad 36 ist über Stirnzahnräder 38, 40 mit der zweiten Ausgleichswelle 32 trieblich verbunden. Die im ZKG 12 drehbar gelagerten Ausgleichswellen 30, 32 werden somit gegenläufig und mit doppelter Kurbelwellendrehzahl zur Bildung eines modifizierten Lancaster-Massenausgleichs angetrieben.The first, the ZKG 12 immediately
Der zweite Kettentrieb 22 ist nur teilweise ersichtlich und dient dem Antrieb zweier Nockenwellen zur Ventilsteuerung der Brennkraftmaschine 10, wobei die Nockenwellen in bekannter Weise im Zylinderkopf angeordnet sind. Dabei treibt ein zweites Kettenrad 42 auf dem Antriebszapfen 26a der Kurbelwelle 26 über eine Kette 44 die besagten Nockenwellen (nicht dargestellt) an.The
Die Kurbelwelle 26 (vgl.
Die besagten Lagerdeckel 50 sind in eine Bed-plate Konstruktion 52 (vgl.
Die Bed-plate Konstruktion 52 ist über eine plane Anschlussfläche 54 und mittels nicht dargestellter Schrauben an das ZKG 12 fest angebaut. Im vorderen Bereich ist die Bed-plate Konstruktion 52 nach unten offen und weist eine Dichtfläche 56 auf, an die eine Ölwanne 58 dicht angeschraubt ist.The bed-
Der Steuergehäusedeckel 14 weist eine rotationssymetrische Durchtrittsöffnung 14a auf, durch die hindurch (und unter Zwischenschaltung eines Wellendichtringes) ein Riemenrad 60 eines nicht weiter dargestellten Nebenabtriebes 62 mit einem Poly-V-Riemen 64 angetrieben ist. Der Nebenabtrieb 62 kann einen Klimakompresseror, einen Generator, eine Servopumpe, etc. antreiben.The
Die Dichtfläche 16 des Steuergehäusedeckels 14 (vgl. insbesondere
Durch die schräge Anordnung des Steuergehäusedeckels 14 bzw. den zurückgesetzten Stirnwandabschnitt 14b im Bereich der Durchtrittsöffnung 14a relativ zum darüber liegenden Stirnwandabschnitt 14c (vgl.
Des weiteren ist die Bed-plate Konstruktion 52 nach vorne an den Steuergehäusedeckel 14 angrenzend ausgeführt, wobei die besagte und in den ersten Lagerdeckel 50 eingearbeitete Dichtfläche 16 mit einem Dichtflächenabschnitt 16c unter einem Radius r (
Der Steuergehäusedeckel 14 ist somit auch an der Bed-plate Konstruktion 52 zur Bildung eines steifen Verbandes befestigt. Die beiden Dichtflächen 16c und 56 des Steuergehäusedeckels 14 und der Ölwanne 58 sind jedoch wie ersichtlich voneinander entkoppelt bzw. getrennt ausgeführt. Dies trifft auch auf den oberen Dichtflächenabschnitt 16a der Dichtfläche 16 des Steuergehäusedekkels 14 zu, der von der Zylinderkopf-Anschlussfläche 68 des ZKG 12 wie aus der
Die Dichtfläche 16 (
Die Erfindung ist nicht auf das dargestellte Ausführungsbeispiel begrenzt. So kann das ZKG 12 auch ohne Bed-plate Konstruktion 52 mit einzelnen Lagerdeckeln 50 ausgeführt sein, wobei die besagten Seitenwände 12a des ZKG 12 bis zu der beschriebenen Dichtfläche 56 für die Ölwanne 58 herabgezogen sein können. Die Dichtfläche 16 des Steuergehäusedeckels 14 kann dann (vgl.
Ferner kann der untere Dichtflächenabschnitt 16b (gestrichelte Linien der
Claims (10)
- Arrangement of a timing case cover on a reciprocating-piston internal combustion engine, comprising a cylinder crankcase, a crankshaft which is rotatably mounted in the cylinder crankcase, an oil pan which closes the cylinder crankcase at the bottom via a first sealing surface, and a timing case cover which is arranged at the end face of the cylinder crankcase, closes a timing case chamber, contacts the cylinder crankcase via a second sealing surface at the end face and has a through-opening for guiding out the drive torque of the crankshaft for an auxiliary drive, characterised in that the sealing surface (16) of the timing case cover (14) or the timing case cover (14), when considered in a side view, extends obliquely downwards and inwards in such a way that a timing case chamber (18) is formed at the cylinder crankcase-side, which timing case chamber becomes smaller with greater depth.
- Arrangement according to claim 1, characterised in that, starting from the first bearing cover (50) of the crankshaft bearing configuration, the lateral walls (12a) of the cylinder crankcase (12) which define the timing case chamber (18) become wider towards the top of their longitudinal extension.
- Arrangement according to claims 1 and 2, characterised in that the sealing surface (16) of the timing case cover (14) is made so as to extend, underneath the axis of rotation of the crankshaft, forwards and downwards, counter to said bevel.
- Arrangement according to one or more of the preceding claims, characterised in that the sealing surface portions (16a, 16b) of the sealing surface (16) are made to be rectilinear and inclined at an angle α of approximately 120 degrees with respect to one another.
- Arrangement according to one or more of the preceding claims 1 to 3, characterised in that the lower sealing surface portion (16c) of the sealing surface (16) is made to extend forwards with a radius r.
- Arrangement according to one or more of the preceding claims, characterised in that an end-wall portion (14b) of the timing case cover (14), which end-wall portion is located in the region of the through-opening (14a) for the crankshaft (26) and adjacent to a drive wheel (60) of the auxiliary drive (62), can be set back relative to an overlying end-wall portion (14c).
- Arrangement according to one or more of the preceding claims, characterised in that the bearing cover (50) is combined structurally together with the other bearing covers of the main crankshaft bearing configuration (46) to form a bed-plate construction (52) which stiffens and closes the cylinder crankcase (12) in part at the bottom.
- Arrangement according to claim 7, characterised in that the bed-plate construction (52) bears the sealing surface (56) for the oil pan (58) connected thereto.
- Arrangement according to one or more of the preceding claims, characterised in that the cylinder crankcase (12) or, if dependent on claim 7, the bed-plate construction (52) is contiguous with the timing case cover (14) underneath its sealing surface (16) and such that it is decoupled from the oil pan sealing surface (56).
- Arrangement according to one or more of the preceding claims, characterised in that the upper sealing surface portion (16a) of the sealing surface (16) of the timing case cover (14) is decoupled from the cylinder head connection surface (68) of the cylinder crankcase (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004049030A DE102004049030B4 (en) | 2004-10-08 | 2004-10-08 | Arrangement of a timing case cover |
PCT/EP2005/010621 WO2006040029A1 (en) | 2004-10-08 | 2005-10-01 | Arrangement of a timing case cover |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1799988A1 EP1799988A1 (en) | 2007-06-27 |
EP1799988B1 true EP1799988B1 (en) | 2013-04-03 |
Family
ID=35462239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05792168A Active EP1799988B1 (en) | 2004-10-08 | 2005-10-01 | Arrangement of a timing case cover |
Country Status (6)
Country | Link |
---|---|
US (1) | US7597082B2 (en) |
EP (1) | EP1799988B1 (en) |
JP (1) | JP2008516132A (en) |
CN (1) | CN100532816C (en) |
DE (1) | DE102004049030B4 (en) |
WO (1) | WO2006040029A1 (en) |
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CA2691557A1 (en) | 2007-07-02 | 2009-01-08 | Buhler Barth Ag | Method for the surface-pasteurization and -sterilization of pieces of food |
GB2485776B (en) | 2010-11-23 | 2014-12-10 | Gm Global Tech Operations Inc | Timing device cover comprising two parts |
US8863721B2 (en) * | 2012-11-30 | 2014-10-21 | GM Global Technology Operations LLC | Seal alignment systems |
NO336537B1 (en) * | 2013-10-17 | 2015-09-21 | Viking Heat Engines As | Device for improved external heater |
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JP3780824B2 (en) * | 2000-06-09 | 2006-05-31 | スズキ株式会社 | Cylinder head structure of a 4-cycle engine for motorcycles |
GB0016203D0 (en) * | 2000-06-30 | 2000-08-23 | Lucas Industries Ltd | Support element |
JP3738904B2 (en) * | 2002-10-15 | 2006-01-25 | 本田技研工業株式会社 | Internal combustion engine |
EP1489282A1 (en) * | 2003-06-19 | 2004-12-22 | Ab Volvo Penta | Mounting board |
-
2004
- 2004-10-08 DE DE102004049030A patent/DE102004049030B4/en not_active Withdrawn - After Issue
-
2005
- 2005-10-01 EP EP05792168A patent/EP1799988B1/en active Active
- 2005-10-01 US US11/664,615 patent/US7597082B2/en active Active
- 2005-10-01 JP JP2007535071A patent/JP2008516132A/en active Pending
- 2005-10-01 WO PCT/EP2005/010621 patent/WO2006040029A1/en active Application Filing
- 2005-10-01 CN CNB2005800305973A patent/CN100532816C/en active Active
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CN100532816C (en) | 2009-08-26 |
DE102004049030A1 (en) | 2006-04-20 |
CN101018943A (en) | 2007-08-15 |
JP2008516132A (en) | 2008-05-15 |
US7597082B2 (en) | 2009-10-06 |
EP1799988A1 (en) | 2007-06-27 |
DE102004049030B4 (en) | 2008-09-11 |
WO2006040029A1 (en) | 2006-04-20 |
US20080066710A1 (en) | 2008-03-20 |
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