EP1085173A2 - Entraínement de soupapes pour un moteur à combustion interne - Google Patents

Entraínement de soupapes pour un moteur à combustion interne Download PDF

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Publication number
EP1085173A2
EP1085173A2 EP00117265A EP00117265A EP1085173A2 EP 1085173 A2 EP1085173 A2 EP 1085173A2 EP 00117265 A EP00117265 A EP 00117265A EP 00117265 A EP00117265 A EP 00117265A EP 1085173 A2 EP1085173 A2 EP 1085173A2
Authority
EP
European Patent Office
Prior art keywords
control drive
internal combustion
combustion engine
crankshaft
carrier unit
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
EP00117265A
Other languages
German (de)
English (en)
Other versions
EP1085173A3 (fr
EP1085173B1 (fr
Inventor
Jürgen Endeward
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP1085173A2 publication Critical patent/EP1085173A2/fr
Publication of EP1085173A3 publication Critical patent/EP1085173A3/fr
Application granted granted Critical
Publication of EP1085173B1 publication Critical patent/EP1085173B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • 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
    • F01L1/026—Gear drive
    • 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
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/184—Number of cylinders ten

Definitions

  • the invention relates to a control drive for an internal combustion engine according to the genus Claim 1 from.
  • control drives known from US Pat. No. 4,671,223 are used to transfer the engine speed to control elements (e.g. camshafts for valve actuation) and auxiliary units (e.g. generator, pumps) and are preferred designed as belt or wheel drives.
  • the engine speed is controlled by the crankshaft and a corresponding crankshaft gear is introduced into the timing gear and there via appropriate intermediate gears or belts to the individual units to be driven forwarded or redirected.
  • the carrier unit for the gears to provide the timing drive with a backlash that compensates for backlash between the individual gears and between the carrier unit and the housing of the internal combustion engine enables.
  • the known carrier for a control drive of an internal combustion engine in particular a gear wheel drive, however, has the disadvantage that it is due to its articulation the crankshaft can only be fixed in a complex manner via a ball bearing bearing and additional Space required in the axial direction on the internal combustion engine.
  • the Backlash compensation on the mounting of the carrier on the internal combustion engine housing remote from the crankshaft by means of elastic O-rings not sufficient, especially in axial It is hardly possible to compensate for play in the direction of the fastening bolts.
  • the invention is therefore based on the object of fastening the carrier unit of the control drive on the housing of the internal combustion engine so that it is easy to manufacture Sufficient clearance compensation between the engine housing and the carrier unit.
  • the control drive according to the invention for an internal combustion engine with the characteristic Features of claim 1 has the advantage over the prior art that with simple means a space-saving attachment of the support unit to the housing of Internal combustion engine is possible, which also includes a game compensation elements, preferably hydraulic lash adjusters allows a sufficient Compensation for play between the internal combustion engine housing and the carrier unit of the Ensure timing drive.
  • the carrier unit is in a region close to the crankshaft directly attached to the housing of the internal combustion engine, this direct attachment preferably via a screw connection.
  • crankshaft of the internal combustion engine protrudes thereby with the crankshaft gear arranged thereon for driving the timing drive through a corresponding opening in the support unit, said screw connection the carrier unit on the internal combustion engine housing, preferably at the edge of this opening, distributed evenly over their circumference.
  • a further overhead fastening is provided for the carrier unit, which however, takes place via lash adjusters on the area of the engine housing remote from the crankshaft are articulated.
  • This mounting arrangement of the carrier unit on the internal combustion engine is in particular advantageous for internal combustion engines in which the crankshaft below leading area of the internal combustion engine housing consists of a different material than the overhead area remote from the crankshaft.
  • a motor can, for example, as V-engine can be formed, the plurality of V-shaped cylinder banks arranged to each other has in the area of the cylinder crankcase, which is on a common Bearing bracket for guiding the crankshaft.
  • the bearing bracket from one high-strength material, e.g. a hardened cast iron alloy and the cylinder banks or the cylinder crankcase made of a light alloy to reduce weight manufacture.
  • this has the disadvantage that both components with a corresponding Heat introduction of the internal combustion engine during its operation is different Have thermal expansion, especially on attachments attached to both components can lead to considerable tension.
  • the necessary additional upper guide of the carrier unit on the cylinder crankcase is advantageously designed as a play compensation element, so that tension in Result of different thermal expansion of the components in the area of the top Attachment can be compensated and so not even in the carrier unit in the Cylinder crankcase are initiated. It is particularly advantageous for the overhead one Attachment to be formed simultaneously as a play compensation element, since it is therefore an additional one Component can be dispensed with.
  • the formation of the play compensation element as a hydraulic play compensation element has the advantage that in addition to a game compensation also a damping of the initiated Vibrations in the game compensation element can take place.
  • the game compensation element is thereby designed in an advantageous manner so that in addition to axial play compensation radial play and a tilting movement of the carrier unit can accommodate.
  • the carrier unit is advantageously formed from two carrier plates, between which preferably all the wheels of the control drive are arranged in one plane, so that the Control drive overall requires very little installation space in the axial direction to the internal combustion engine.
  • the gears of the control drive in the carrier unit can thus be of the type pre-assemble a wheel cassette, which is then attached to the internal combustion engine as a prefabricated module can be attached, which simplifies the manufacture of the entire internal combustion engine.
  • the two carrier plates of the carrier unit are preferably each in one piece formed and have recesses between the individual gear bearings on. However, it is alternatively also possible to form the carrier plates in several pieces and accordingly connect to.
  • FIG. 1 shows a housing 1 of an internal combustion engine with two V-shaped arrangements Cylinder banks of a cylinder crankcase 3, which at its lower end a split bearing bracket 5 for receiving a crankshaft, not shown.
  • the cylinder crankcase 3 made of an aluminum alloy and the bearing bracket 5 made from a cast iron.
  • the bearing bracket 5 made from a cast iron.
  • Carrier unit 9 is screwed.
  • FIG. 2 shows a view of the carrier unit 9 on the motor housing side, in addition for this purpose is shown in FIG. 3 in a longitudinal section along section line III and which is preferably also made of gray cast iron.
  • the carrier unit 9 has two carrier plates 11, between which a plurality of gears 13 of the control drive are arranged on the corresponding bearings on the Carrier plates 11 are arranged and guided in a common plane.
  • the individual carrier plates 11 preferably formed in one piece, but can also be made of consist of several parts.
  • the carrier unit 9 has a circular in its lower region Recess 15 in which the crankshaft, not shown, with an arranged thereon Crankshaft gear protrudes, the crankshaft gear with a Intermediate gear 17 meshes and so the rotational movement of the crankshaft in the timing gear initiates where this is known to the control members via appropriate intermediate gears, e.g. Camshafts for the valve train and auxiliary units, e.g. Pumping the Internal combustion engine is forwarded.
  • intermediate gears e.g. Camshafts for the valve train and auxiliary units, e.g. Pumping the Internal combustion engine is forwarded.
  • the attachment of the preassembled carrier unit 9 to the housing 1 of the internal combustion engine takes place in the area near the crankshaft via three mounting holes 19 in the carrier plates 11, some of which also have supports for bearings which are enlarged in cross section form individual gears of the gear train and on which the carrier unit 9 on the receiving bores 7 are screwed into the bearing bracket 5.
  • the carrier unit 9 of the control drive is via two hydraulic ones Backlash compensation elements 21 on the cylinder crankcase 3 of the internal combustion engine attached. These are preferably arranged at the same height above the crankshaft Game compensation elements 21 allow game compensation in the axial and radial Direction and a tilting movement, wherein an internal piston 23 does not have a shown screwing on the wall of the cylinder crankcase 3 in the region of the cylinder bank end face is attached while an outer cylinder 25 of the hydraulic Backlash compensation element 21 is connected to the carrier plates 11 of the carrier unit 9.
  • the piston 23 delimits two opposite one another via elastic seals 27 acting hydraulic working spaces 29 in the cylinder 25, via an overflow channel communicate with each other and thus enable game compensation and cushioning.
EP00117265A 1999-09-13 2000-08-16 Entraînement de soupapes pour un moteur à combustion interne Expired - Lifetime EP1085173B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19960130 1999-09-13
DE19960130A DE19960130A1 (de) 1999-09-13 1999-09-13 Steuertrieb für eine Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP1085173A2 true EP1085173A2 (fr) 2001-03-21
EP1085173A3 EP1085173A3 (fr) 2002-04-10
EP1085173B1 EP1085173B1 (fr) 2006-03-22

Family

ID=7932528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00117265A Expired - Lifetime EP1085173B1 (fr) 1999-09-13 2000-08-16 Entraînement de soupapes pour un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP1085173B1 (fr)
AT (1) ATE321192T1 (fr)
DE (2) DE19960130A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034725A1 (de) * 2008-07-25 2010-01-28 Man Diesel Se Brennkraftmaschine
JP2012524855A (ja) * 2009-04-22 2012-10-18 エム・テー・ウー・フリードリッヒスハーフェン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 内燃機関

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160882A1 (de) * 2001-12-12 2003-06-26 Volkswagen Ag Brennkraftmaschine mit Steuertrieb
FR2898385B1 (fr) * 2006-03-13 2013-02-08 Peugeot Citroen Automobiles Sa Dispositif de pilotage d'une distribution d'un moteur a combustion interne et moteur a combustion interne comportant un tel dispositif
DE102006027080A1 (de) * 2006-06-10 2007-12-20 Bayerische Motoren Werke Ag Befestigungsstrebe für ein Nebenaggregat einer Brennkraftmaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671223A (en) 1983-07-07 1987-06-09 Honda Giken Kogyo Kabushiki Kaisha Side mounted V-type 4-cycle engine
DE3739243A1 (de) 1986-11-19 1988-07-07 Honda Motor Co Ltd Steueruebertragungseinrichtung fuer eine brennkraftmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02146209A (ja) * 1988-11-28 1990-06-05 Yamaha Motor Co Ltd ４サイクルエンジンのカム軸駆動装置
JPH05141207A (ja) * 1991-11-20 1993-06-08 Hino Motors Ltd Ｏｈｃエンジン用タイミングギヤの組立方法
JPH05209505A (ja) * 1992-01-31 1993-08-20 Aisin Seiki Co Ltd ２軸間位相変換装置
JP2760753B2 (ja) * 1994-09-14 1998-06-04 川崎重工業株式会社 カセット式カムギヤー駆動機構
AT1616U1 (de) * 1995-08-31 1997-08-25 Avl Verbrennungskraft Messtech Brennkraftmaschine mit über zahnräder angetriebener nockenwelle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671223A (en) 1983-07-07 1987-06-09 Honda Giken Kogyo Kabushiki Kaisha Side mounted V-type 4-cycle engine
DE3739243A1 (de) 1986-11-19 1988-07-07 Honda Motor Co Ltd Steueruebertragungseinrichtung fuer eine brennkraftmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034725A1 (de) * 2008-07-25 2010-01-28 Man Diesel Se Brennkraftmaschine
JP2012524855A (ja) * 2009-04-22 2012-10-18 エム・テー・ウー・フリードリッヒスハーフェン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 内燃機関

Also Published As

Publication number Publication date
DE50012429D1 (de) 2006-05-11
EP1085173A3 (fr) 2002-04-10
EP1085173B1 (fr) 2006-03-22
ATE321192T1 (de) 2006-04-15
DE19960130A1 (de) 2001-03-15

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