DE580646T1 - ARRANGEMENT IN INTERNAL COMBUSTION ENGINES. - Google Patents

ARRANGEMENT IN INTERNAL COMBUSTION ENGINES.

Info

Publication number
DE580646T1
DE580646T1 DE92907812T DE92907812T DE580646T1 DE 580646 T1 DE580646 T1 DE 580646T1 DE 92907812 T DE92907812 T DE 92907812T DE 92907812 T DE92907812 T DE 92907812T DE 580646 T1 DE580646 T1 DE 580646T1
Authority
DE
Germany
Prior art keywords
toothed pulley
driven toothed
arrangement according
camshaft
driven
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.)
Pending
Application number
DE92907812T
Other languages
German (de)
Inventor
Hans Johannesson
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.)
Volvo AB
Original Assignee
Volvo AB
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 Volvo AB filed Critical Volvo AB
Publication of DE580646T1 publication Critical patent/DE580646T1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/1414—Masses driven by elastic elements
    • F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
    • F16F15/1442—Elastomeric springs, i.e. made of plastic or rubber with a single mass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/024—Belt drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/06—Endless member is a belt
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Pulleys (AREA)

Claims (1)

Deutsche Übersetzung der Patentansprüche der Europäischen Patentanmeldung Nr. 92 907 812.9 (Nationale Phase der internationalen Anmeldung PCT/SE92/00193, Veröffentlichung-Nr. WO 92/18754)German translation of the claims of European patent application No. 92 907 812.9 (National phase of international application PCT/SE92/00193, publication No. WO 92/18754) Anordnung in einer mehrzylindrischen Brennkraftmaschine (1) mit zumindest einer Nockenwelle (3), die von einer Kurbelwelle (2) über eine Übertragungsvorrichtung (4,5,6) angetrieben ist, wobei die Übertragungsvorrichtung zumindest eine treibende gezahnte Riemenscheibe (4), die am vorderen Ende der Kurbelwelle (2) angeordnet ist, eine getriebene gezahnte Riemenscheibe (5) für jede Nockenwelle (3) und zumindest einen Zahnriemen (6) aufweist, der um die treibende und die getriebenen gezahnten Riemenscheiben (4,5) herumgelegt ist, dadurch gekennzeichnet, daß ein Schwingungsdämpfer (17) mit zumindest einer getriebenen gezahnten Riemenscheiben (5) verbunden ist, um die Spannungen zu dämpfen, denen der/die Zahnriemen (6) in ihrer Längsrichtung in Abhängigkeit von der Winke]position der Nockenwelle/Nockenwellen (3) als Folge der Momentenänderung der Nockenwelle/Nockenwellen (3) infolge der Festkörperschwingung während ihrer Drehung als Folge der Ventilhebebewegung ausgesetzt sind, und um somit die Lebensdauer des/der Zahnriemen (6) zu erhöhen.Arrangement in a multi-cylinder internal combustion engine (1) with at least one camshaft (3) driven by a crankshaft (2) via a transmission device (4,5,6), the transmission device having at least one driving toothed pulley (4) arranged at the front end of the crankshaft (2), a driven toothed pulley (5) for each camshaft (3) and at least one toothed belt (6) laid around the driving and driven toothed pulleys (4,5), characterized in that a vibration damper (17) is connected to at least one driven toothed pulley (5) in order to dampen the tensions to which the toothed belt(s) (6) are subjected in their longitudinal direction as a function of the angular position of the camshaft(s) (3) as a result of the change in torque of the camshaft(s) (3) due to the solid-state vibration during their rotation as a result of the valve lifting movement, and thus to increase the service life of the timing belt(s) (6). 30 2 . 30 2 . Anordnung nach Anspruch 1, dadurch gekennzeichnet,Arrangement according to claim 1, characterized in daß der Schwingungsdämpfer (17) eine Trägheitsmasse (18) aufweist, die einstückig mit der getriebenen gezahnten Riemenscheibe (5) über ein elastisches Material (20) verbunden ist.that the vibration damper (17) has an inertia mass (18) which is integrally connected to the driven toothed pulley (5) via an elastic material (20). 3. Anordnung nach Anspruch 1 oder 2, wobei die getriebene gezahnte Riemenscheibe (5) mit einem Zahnkranz (11) zum Eingriff mit dem Zahnriemen (6), mit einer Nabe (14) zur Lagerung der Riemenscheibe auf der Nockenwelle (3) und mit einem zwischen dem Zahnkranz (11) und der Nabe (14) angeordneten Radscheibenabschnitt (15) versehen ist, wobei die Dicke des Radscheibenabschnitts (15) geringer als die des Zahnkranzes und die der Nabe ist und wobei der Radscheibenabschnitt (15) nahe an einer Stirnfläche der getriebenen gezahnten Riemenscheibe angeordnet ist, um sicherzustellen, daß innerhalb des Zahnkranzes (11) eine ringförmige Ausnehmung (16) gebildet ist, dadurch gekennzeichnet, daß die Trägheitsmasse (18) von einem ringförmigen Körper (19) gebildet ist, der in der Ausnehmung (16) aufgenommen ist, und daß das elastische Material (20) die Form eines ringförmigen Elementes (21) besitzt, das den Trägheitskörper (19) mit der getriebenen gezahnten Riemenscheibe (5) verbindet.3. Arrangement according to claim 1 or 2, wherein the driven toothed pulley (5) is provided with a ring gear (11) for engagement with the toothed belt (6), with a hub (14) for mounting the pulley on the camshaft (3) and with a wheel disc section (15) arranged between the ring gear (11) and the hub (14), the thickness of the wheel disc section (15) being less than that of the ring gear and that of the hub and the wheel disc section (15) being arranged close to an end face of the driven toothed pulley to ensure that an annular recess (16) is formed within the ring gear (11), characterized in that the inertia mass (18) is formed by an annular body (19) which is received in the recess (16) and that the elastic material (20) has the shape of an annular element (21) which connects the inertia body (19) to the driven toothed pulley (5). 4. Anordnung nach Anspruch 3, dadurch gekennzeichnet, daß der Trägheitskörper (19) aus Metall oder einem äquivalenten, vergleichbar schweren Material besteht und daß das elastische Element (21) aus einem Gummi oder ähnlichem Material besteht und den Trägheitskörper an der getriebenen gezahnten Riemenscheibe (5) mittels Vulkanisierung anklebt.4. Arrangement according to claim 3, characterized in that the inertia body (19) consists of metal or an equivalent, comparably heavy material and that the elastic element (21) consists of a rubber or similar material and adheres the inertia body to the driven toothed pulley (5) by means of vulcanization. Ü580Ü580 5. Anordnung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß das elastische Element (21) den Trägheitskörper (19) mit dem Zahnkranz (11) und/oder dem Radscheibenabschnitt (15) und/oder der Nabe (14) der getriebenen gezahnten Riemenscheibe (15) verbindet.5. Arrangement according to claim 3 or 4, characterized in that the elastic element (21) connects the inertia body (19) to the ring gear (11) and/or the wheel disk section (15) and/or the hub (14) of the driven toothed pulley (15). 6. Anordnung nach einem der Ansprüche 3 bis 5, da-6. Arrangement according to one of claims 3 to 5, durch gekennzeichnet, daß der Trägheitskörper (19) und/oder das elastische Element (21) in Segmente unterteilt sind.characterized in that the inertial body (19) and/or the elastic element (21) are divided into segments. 7. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Schwingungsdämpfer (17) einen Viskose-Dämpfer aufweist, der einstückig mit der getriebenen gezahnten Riemenscheibe (5) verbunden ist und eine in einem Dämpfungsmedium, beispielsweise Öl, befindliche Schwingungsmasse aufweist.7. Arrangement according to claim 1, characterized in that the vibration damper (17) has a viscous damper which is integrally connected to the driven toothed pulley (5) and has a vibration mass located in a damping medium, for example oil.
DE92907812T 1991-04-10 1992-03-26 ARRANGEMENT IN INTERNAL COMBUSTION ENGINES. Pending DE580646T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9101071A SE468131B (en) 1991-04-10 1991-04-10 COMBUSTION ENGINE DEVICE
PCT/SE1992/000193 WO1992018754A1 (en) 1991-04-10 1992-03-26 An arrangement in internal combustion engines

Publications (1)

Publication Number Publication Date
DE580646T1 true DE580646T1 (en) 1994-04-28

Family

ID=20382417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE92907812T Pending DE580646T1 (en) 1991-04-10 1992-03-26 ARRANGEMENT IN INTERNAL COMBUSTION ENGINES.

Country Status (5)

Country Link
EP (1) EP0580646A1 (en)
JP (1) JPH06506515A (en)
DE (1) DE580646T1 (en)
SE (1) SE468131B (en)
WO (1) WO1992018754A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5405296A (en) * 1993-12-28 1995-04-11 Tesma International Inc. Torsional vibration damper
KR100284729B1 (en) * 1996-04-24 2001-09-28 나까무라히로까즈 Belt drive
DE19716411C1 (en) * 1997-04-18 1998-08-06 Bayerische Motoren Werke Ag Chain drive, particularly for internal combustion engine
DE102005014883A1 (en) * 2005-04-01 2007-05-10 Schaeffler Kg Phaser
DE102006027353A1 (en) * 2006-06-13 2007-12-27 Schaeffler Kg traction drive
DE102019110103A1 (en) * 2019-04-17 2020-10-22 Schaeffler Technologies AG & Co. KG Hub element; Torsional vibration damper; Pulley decoupler; and methods of manufacturing different torsional vibration dampers
BE1028031B1 (en) * 2020-02-06 2021-09-07 Atlas Copco Airpower Nv Gear and compressor device equipped with such gear

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304924A (en) * 1964-01-20 1967-02-21 Dolza John Tensioning pulley
DE3739336A1 (en) * 1987-11-20 1989-06-01 Goetze Ag Internal combustion engine with a vibration-damped camshaft drive

Also Published As

Publication number Publication date
WO1992018754A1 (en) 1992-10-29
SE9101071D0 (en) 1991-04-10
SE468131B (en) 1992-11-09
SE9101071A (en) 1992-10-11
JPH06506515A (en) 1994-07-21
EP0580646A1 (en) 1994-02-02

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