WO2005085613A1 - Internal combustion engine - Google Patents

Internal combustion engine Download PDF

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Publication number
WO2005085613A1
WO2005085613A1 PCT/EP2005/002207 EP2005002207W WO2005085613A1 WO 2005085613 A1 WO2005085613 A1 WO 2005085613A1 EP 2005002207 W EP2005002207 W EP 2005002207W WO 2005085613 A1 WO2005085613 A1 WO 2005085613A1
Authority
WO
WIPO (PCT)
Prior art keywords
internal combustion
combustion engine
belt
front suspension
suspension
Prior art date
Application number
PCT/EP2005/002207
Other languages
German (de)
French (fr)
Inventor
Andre KÜSTERS
Jörg ADAMS
Roland Thiel
Original Assignee
Fev Motorentechnik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fev Motorentechnik Gmbh filed Critical Fev Motorentechnik Gmbh
Publication of WO2005085613A1 publication Critical patent/WO2005085613A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0806—Compression coil springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0876—Control or adjustment of actuators
    • F16H2007/088—Manual adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
    • F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
    • F16H7/1263—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially straight path

Definitions

  • the invention relates to an internal combustion engine according to the preamble of claim 1.
  • auxiliary units such as an alternator or a compressor for an air conditioning system are usually attached to the engine block.
  • suspensions for the engine block are provided on the engine block, with which the engine block is suspended in a vehicle frame.
  • the object of the invention is to provide an internal combustion engine according to the preamble of claim 1, which is structurally simplified and space-saving. This object is achieved in accordance with the features of claim 1.
  • the front-side suspension is used multifunctionally, which also results in a compact design.
  • the front suspension can accommodate the belt tensioner, which increases the multi-functionality and compactness.
  • the front suspension can be designed with increased rigidity.
  • the internal combustion engine shown comprises an engine block 1 with a cylinder block 2 which also forms the crankcase, on which a (not shown) cylinder head and a valve cover 3 and under which an oil pan 4 are fastened.
  • a crankshaft 5 which protrudes from the front and, on the one hand, a chain drive device covered by a chain case cover 6 for various units such as one or two camshafts, an oil pump and an injection pump and, on the other hand, a belt drive 7 for units located on the outside of the chain case cover 6. whose rotation is not necessarily synchronous with that of the crankshaft 5 drives.
  • the belt drive 7 is used to drive auxiliary units such as an alternator 8, a compressor 9 of an air conditioning system, a power steering pump 10 and a water pump.
  • the belt drive 7 comprises a toothed belt 11, which by means of a Belt wheel 12 is driven by the crankshaft 5, which at the same time drives a fan (not shown).
  • the toothed belt 11 is guided around a drive wheel 14 seated on the drive shaft 13 of the water pump, from there around a deflection wheel 16 which can be displaced by means of a belt tensioner 15. Subsequently, the toothed belt 11 partially wraps around a drive wheel 17 of the alternator 8 arranged above and a drive wheel 19 of the compressor 9 arranged below.
  • the engine block 1 has a number of suspensions for suspending the engine block 1 in a vehicle frame.
  • a suspension 21 is attached to the front of the cylinder block by means of screws 22 and is located on the chain case cover 6, which is attached to the suspension 21 at the same time.
  • the suspension 21 serves on the one hand to accommodate the belt tensioner 12 and the deflection roller 16 and on the other hand to fasten the alternator 8 on the front.
  • the alternator 8 is also received on the rear by a rear suspension 23.
  • the compressor 9 is held in the lower lateral region of the engine block 1 by suspensions 24. - If necessary, the suspension 21 can also be used to hold the compressor 9 on the front.
  • the belt tensioner 15 is shown in the illustrated embodiment as a mechanical belt tensioner in the form of an adjusting screw, but an adjusting cylinder or the like can also be used. be used.
  • the suspension 21 can also be formed in one piece with the chain case cover 6. According to the exemplary embodiment shown, the suspension 21 serves to receive the belt tensioner 15, the deflection roller 16 and as a holder for the alternator 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

The invention relates to an internal combustion engine comprising an engine block (1) provided with a cylinder block (1), suspensions (21) for the engine block, and auxiliary units that can be driven by a belt drive (7) that can be tightened by a belt stretcher (15) by means of a crankshaft (5). The front suspension (21) is also a holding device for an auxiliary unit.

Description

Brennkraftmaschine Internal combustion engine
Die Erfindung betrifft eine Brennkraftmaschine nach dem Oberbegriff des Anspruchs 1. Bei Brennkraftmaschinen werden üblicherweise Hilfsaggregate wie eine Lichtmaschine oder ein Kompressor einer Klimaanlage am Motorblock befestigt. Abgesehen davon sind Aufhängungen für den Motorblock an diesem vorgesehen, mit denen der Motorblock in einem Fahrzeugrahmen aufgehängt wird. Eine derartige Konstruktion ist jedoch relativ aufwendig und wenig raumsparend. Aufgabe der Erfindung ist es, eine Brennkraftmaschine nach dem Oberbegriff des Anspruchs 1 zu schaffen, die konstruktionsmäßig vereinfacht und raumsparend ist. Diese Aufgabe wird entsprechend den Merkmalen des Anspruchs 1 gelöst. Dadurch, daß bei einer Brennkraftmaschine mit einem einen Zylinderblock aufweisenden Motorblock und Aufhängungen hierfür sowie mit Hilfsaggregaten, die mittels eines durch einen Riemenspanner spannbaren Riementriebs über die Kurbelwelle antreibbar sind, die frontseitige Aufhängung gleichzeitig Halterung für ein Hilfsaggregat ist, wird die frontseitige Aufhängung multifunktional genutzt, wodurch sich zugleich eine kompakte Ausführung ergibt. Zusätzlich kann die frontseitige Aufhängung den Riemenspanner aufnehmen, wodurch die Multifunktionalität und die Kompaktheit erhöht werden. Zugleich kann die frontseitige Aufhängung mit erhöhter Steifigkeit ausgeführt sein. Weitere Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen. Die Erfindung wird nachstehend anhand eines in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert. Fig. 1 zeigt eine Frontansicht einer Brennkraftmaschine. Fig. 2 zeigt vergrößert im Einzelnen eine frontseitige Aufhängung mit den davon getragenen Teilen. Die dargestellte Brennkraftmaschine umfaßt einen Motorblock 1 mit einem zugleich das Kurbelgehäuse bildenden Zylinderblock 2, auf dem ein (nicht dargestellter) Zylinderkopf und eine Ventilhaube 3 und unter dem eine Ölwanne 4 befestigt sind. Im Zylinderblock 2 ist eine Kurbelwelle 5 gelagert, die frontseitig herausragt u nd einerseits eine von einem Kettenkastendeckel 6 abgedeckte Kettentriebeinrichtung für verschiedene Aggregate wie eine oder zwei Nockenwellen, eine Ölpumpe und eine Einspritzpumpe und andererseits einen außen auf dem Kettenkastendeckel 6 befindlichen Riementrieb 7 für Aggregate, deren Drehung nicht zwingend synchron mit derjenigen der Kurbelwelle 5 zu halten ist, antreibt. Der Riementrieb 7 dient zum Antreiben von Hilfsaggregaten wie eine Lichtmaschine 8, einen Kompressor 9 einer Klimaanlage, einer Lenkhilfepumpe 10 und einer Wasserpumpe. Der Riementrieb 7 umfaßt einen Zahnriemen 11 , der mittels eines Riemenrades 12 von der Kurbelwelle 5, die zugleich einen (nicht dargestellten) Lüfter antreibt, angetrieben wird. Der Zahnriemen 1 1 ist um ein auf der Antriebswelle 13 der Wasserpumpe sitzendes Antriebsrad 14, von dort um mittels eines Riemenspanners 15 verschiebbares Umlenkrad 16 geführt. Anschließend umschlingt der Zahnriemen 11 teilweise ein Antriebsrad 17 der oben angeordneten Lichtmaschine 8 sowie ein Antriebsrad 19 des unten angeordneten Kompressors 9. Zwischen letzterem und dem Riemenrad 12 ist ein Umlenkrad 20 angeordnet, das gegebenenfalls zum Antreiben der Lenkhilfepumpe 10 dienen kann. Der Motorblock 1 besitzt eine Reihe von Aufhängungen zum Aufhängen des Motorblocks 1 in einem Fahrzeugrahmen. Im oberen Bereich des Motorblocks 1 ist frontseitig eine Aufhängung 21 am Zylinderblock mittels Schrauben 22 befestigt und befindet sich auf dem Kettenkastendeckel 6, der gleichzeitig mit der Aufhängung 21 befestigt ist. Die Aufhängung 21 dient einerseits zur Aufnahme des Riemenspanners 12 und der Umlenkrolle 16 und andererseits zur frontseitigen Befestigung der Lichtmaschine 8. Letztere wird ferner rückseitig durch eine rückwärtige Aufhängung 23 aufgenommen. Der Kompressor 9 wird im unteren seitlichen Bereich des Motorblocks 1 durch Aufhängungen 24 gehalten. - Gegebenenfalls kann die Aufhängung 21 auch zur frontseitigen Halterung des Kompressors 9 dienen. Der Riemenspanner 15 ist im dargestellten Ausführungsbeispiel als mechanischer Riemenspanner in Form einer Stellschraube gezeigt, jedoch kann auch ein Stellzylinder od.dgl. verwendet werden. Gegebenenfalls kann die Aufhängung 21 auch einstückig mit dem Kettenkastendeckel 6 ausgebildet sein. Die Aufhängung 21 dient gemäß dem dargestellten Ausführungsbeispiel zur Aufnahme des Riemespanners 15, der Umlenkrolle 16 und als Halterung für die Lichtmaschine 8. The invention relates to an internal combustion engine according to the preamble of claim 1. In internal combustion engines, auxiliary units such as an alternator or a compressor for an air conditioning system are usually attached to the engine block. Apart from this, suspensions for the engine block are provided on the engine block, with which the engine block is suspended in a vehicle frame. However, such a construction is relatively complex and takes up little space. The object of the invention is to provide an internal combustion engine according to the preamble of claim 1, which is structurally simplified and space-saving. This object is achieved in accordance with the features of claim 1. The fact that in an internal combustion engine with a cylinder block Having engine block and suspensions for this, as well as with auxiliary units that can be driven via the crankshaft by means of a belt drive that can be tensioned by a belt tensioner and that the front-side suspension is also a holder for an auxiliary unit, the front-side suspension is used multifunctionally, which also results in a compact design. In addition, the front suspension can accommodate the belt tensioner, which increases the multi-functionality and compactness. At the same time, the front suspension can be designed with increased rigidity. Further embodiments of the invention can be found in the following description and the subclaims. The invention is explained below with reference to an embodiment shown in the accompanying figures. 1 shows a front view of an internal combustion engine. Fig. 2 shows an enlarged detail of a front suspension with the parts carried by it. The internal combustion engine shown comprises an engine block 1 with a cylinder block 2 which also forms the crankcase, on which a (not shown) cylinder head and a valve cover 3 and under which an oil pan 4 are fastened. In the cylinder block 2 there is a crankshaft 5 which protrudes from the front and, on the one hand, a chain drive device covered by a chain case cover 6 for various units such as one or two camshafts, an oil pump and an injection pump and, on the other hand, a belt drive 7 for units located on the outside of the chain case cover 6. whose rotation is not necessarily synchronous with that of the crankshaft 5 drives. The belt drive 7 is used to drive auxiliary units such as an alternator 8, a compressor 9 of an air conditioning system, a power steering pump 10 and a water pump. The belt drive 7 comprises a toothed belt 11, which by means of a Belt wheel 12 is driven by the crankshaft 5, which at the same time drives a fan (not shown). The toothed belt 11 is guided around a drive wheel 14 seated on the drive shaft 13 of the water pump, from there around a deflection wheel 16 which can be displaced by means of a belt tensioner 15. Subsequently, the toothed belt 11 partially wraps around a drive wheel 17 of the alternator 8 arranged above and a drive wheel 19 of the compressor 9 arranged below. The engine block 1 has a number of suspensions for suspending the engine block 1 in a vehicle frame. In the upper area of the engine block 1, a suspension 21 is attached to the front of the cylinder block by means of screws 22 and is located on the chain case cover 6, which is attached to the suspension 21 at the same time. The suspension 21 serves on the one hand to accommodate the belt tensioner 12 and the deflection roller 16 and on the other hand to fasten the alternator 8 on the front. The alternator 8 is also received on the rear by a rear suspension 23. The compressor 9 is held in the lower lateral region of the engine block 1 by suspensions 24. - If necessary, the suspension 21 can also be used to hold the compressor 9 on the front. The belt tensioner 15 is shown in the illustrated embodiment as a mechanical belt tensioner in the form of an adjusting screw, but an adjusting cylinder or the like can also be used. be used. Optionally, the suspension 21 can also be formed in one piece with the chain case cover 6. According to the exemplary embodiment shown, the suspension 21 serves to receive the belt tensioner 15, the deflection roller 16 and as a holder for the alternator 8.

Claims

Patentansprüche claims
1. Brennkraftmaschine mit einem einen Zylinderblock aufweisenden Motorblock (1 ) und Aufhängungen (21 ) hierfür sowie mit Hilfsaggregaten, die mittels eines durch einen Riemenspanner (15) spannbaren Riementriebs (7) über die Kurbelwelle (5) antreibbar sind, dadurch gekennzeichnet, daß die frontseitige Aufhängung (21 ) gleichzeitig Halterung für ein Hilfsaggregat ist. 1. Internal combustion engine with a cylinder block having an engine block (1) and suspensions (21) therefor, and with auxiliary units which can be driven by means of a belt drive (7) which can be tensioned by a belt tensioner (7) via the crankshaft (5), characterized in that the front suspension (21) is also the holder for an auxiliary unit.
2. Brennkraftmaschine nach Anspruch 1 , dadurch gekennzeichnet, daß die frontseitige Aufhängung (21) den Riemenspanner (15) aufnimmt. 2. Internal combustion engine according to claim 1, characterized in that the front suspension (21) receives the belt tensioner (15).
3. Brennkraftmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die frontseitige Aufhängung (21a) etwa mittig am Motorblock (1 ) befestigt ist. 3. Internal combustion engine according to claim 1 or 2, characterized in that the front suspension (21a) is attached approximately in the middle of the engine block (1).
4. Brennkraftmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die frontseitige Aufhängung (21 ) eine Umlenkrolle (16) für den Riemen (11 ) des Riementriebs (7) aufnimmt. 4. Internal combustion engine according to one of claims 1 to 3, characterized in that the front suspension (21) receives a deflection roller (16) for the belt (11) of the belt drive (7).
5. Brennkraftmaschine nach Anspruch 4, dadurch gekennzeichnet, daß mittels des Riemenspanners (12) die Umlenkrolle (16) für den Riemen (11 ) des Riementriebs (7) verschiebbar ist. 5. Internal combustion engine according to claim 4, characterized in that by means of the belt tensioner (12) the deflection roller (16) for the belt (11) of the belt drive (7) is displaceable.
6. Brennkraftmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die frontseitige Aufhängung (21 ) zwei übereinander angeordnete Hilfsaggregate frontseitig hält. 6. Internal combustion engine according to one of claims 1 to 5, characterized in that the front suspension (21) holds two superposed auxiliary units on the front.
PCT/EP2005/002207 2004-03-05 2005-03-03 Internal combustion engine WO2005085613A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410010800 DE102004010800A1 (en) 2004-03-05 2004-03-05 Internal combustion engine
DE102004010800.5 2004-03-05

Publications (1)

Publication Number Publication Date
WO2005085613A1 true WO2005085613A1 (en) 2005-09-15

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ID=34877428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/002207 WO2005085613A1 (en) 2004-03-05 2005-03-03 Internal combustion engine

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WO (1) WO2005085613A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122789A (en) * 2011-11-18 2013-05-29 本田技研工业株式会社 Auxiliary engine driving device of internal-combustion engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008701A1 (en) * 1996-08-30 1998-03-05 Scania Cv Aktiebolag (Publ) Bus with airconditioning
US5743229A (en) * 1996-01-16 1998-04-28 Yamaha Hatsudoki Kabushiki Kaisha Engine accessory drive
US20030062211A1 (en) * 2001-09-28 2003-04-03 Suzuki Motor Corporation Mounting device for a V-configured engine

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DE3809566A1 (en) * 1988-03-22 1989-10-12 Kloeckner Humboldt Deutz Ag Drive for auxiliary units
DE69427877T2 (en) * 1993-10-29 2001-11-15 Yamaha Hatsudoki K.K., Iwata Four-stroke internal combustion engine
DE19636820C2 (en) * 1996-09-11 2000-01-27 Ford Global Tech Inc Device for receiving an engine mounting of an internal combustion engine
JPH11294178A (en) * 1998-04-03 1999-10-26 Honda Motor Co Ltd Auxiliary machinery part fitting structure of in-line multi-cylinder engine
JP2002187441A (en) * 2000-10-11 2002-07-02 Honda Motor Co Ltd Jointly fastened structure in fastening part of power plant for vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743229A (en) * 1996-01-16 1998-04-28 Yamaha Hatsudoki Kabushiki Kaisha Engine accessory drive
WO1998008701A1 (en) * 1996-08-30 1998-03-05 Scania Cv Aktiebolag (Publ) Bus with airconditioning
US20030062211A1 (en) * 2001-09-28 2003-04-03 Suzuki Motor Corporation Mounting device for a V-configured engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122789A (en) * 2011-11-18 2013-05-29 本田技研工业株式会社 Auxiliary engine driving device of internal-combustion engine

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