EP1109992B1 - Steuertrieb für nockenwellenanordnungen - Google Patents
Steuertrieb für nockenwellenanordnungen Download PDFInfo
- Publication number
- EP1109992B1 EP1109992B1 EP99920741A EP99920741A EP1109992B1 EP 1109992 B1 EP1109992 B1 EP 1109992B1 EP 99920741 A EP99920741 A EP 99920741A EP 99920741 A EP99920741 A EP 99920741A EP 1109992 B1 EP1109992 B1 EP 1109992B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gear
- control device
- camshaft
- chain
- drive
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- F01L1/022—Chain 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
-
- 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
- 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
- F02B75/224—Multi-cylinder engines with cylinders in V, fan, or star arrangement with cylinders in fan 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
- F01L1/026—Gear drive
Definitions
- the invention relates to a control drive for a camshaft arrangement Internal combustion engine with n V-shaped cylinder banks
- the Control drive has a distributor wheel arrangement with a first distributor gear, which with an output gear arranged on a crankshaft of the internal combustion engine combs, according to the preamble of claim 1.
- a generic center drive is from US 4,671,223 for an internal combustion engine of a motorcycle known.
- a pure gear drive is realized, each Camshaft arrangement of a cylinder bank assigned its own distributor wheel arrangement is.
- the gears of the respective distributor wheel arrangement are in a respective frame supported.
- the pure gear drive has the disadvantage that it generates very strong noises.
- this arrangement is by a separate drive train for each Mechanically camshaft arrangement and requires a large amount of installation space.
- On Center output for the control drive of an internal combustion engine for a motor vehicle would be included this arrangement is not practicable because all cylinder banks have at least one Should have division. However, this would result in considerable mechanical Weakening of the engine block lead to what occurs in motor vehicles Torques and forces would not be tolerable.
- a central control output is also from the article "The Porsche 4.5I racing car type 917 "by Dipl.-Ing. H. Metzger, published in DE-Z reprint ATZ, Automobiltechnische Zeitschrift, 71st year No. 9/12/1969, pages 313 to 320 for one air-cooled four-stroke engine with two flat-lying cylinder rows known, which is special is designed for racing purposes.
- Four camshafts are driven by one Center output gear of the crankshaft to both cylinder rows over five needle bearing, straight toothed gears.
- each row of cylinders is one own control gear assigned.
- the respective five between crankshaft and camshafts arranged gears are arranged in a respective gear housing, which on a crankcase is screwable.
- This is also a pure one Gear drive, which has the aforementioned disadvantage that it is too significant Noise is coming. For a racing car for a brand world championship this may be uncritical for a comfortable motor vehicle for everyday use in the however, this is not acceptable on public roads.
- a camshaft drive of a V engine is also off known from EP 0 406 528.
- the present invention is therefore based on the object of a simple control drive to provide the above-mentioned type with a small space requirement, the the disadvantages mentioned above are overcome.
- the distributor wheel arrangement m ⁇ n second Has distributor wheels which mesh with the first distributor gear and one Drive energy via n endless chain drives to the n camshaft arrangements of the n Transfer cylinder banks.
- a particularly space-saving center drive for the timing drive can be achieved by that the driven gear is arranged centrally on the crankshaft.
- the first and second distributor wheels are in one for easy assembly arranged common carrier, which is pre-assembled on a crankcase Internal combustion engine is attachable.
- the control drive is a result of the support screwed onto the crankcase additional stiffening of the engine block, which by appropriate for the Center drive required recesses is mechanically weakened per se.
- a simple assembly of the control drive for example in a recess in a crankcase for a center drive is achieved by the fact that between each second transfer gear and each camshaft assembly a chain endless drive supporting module is provided, the module in a preassembled manner at one end a frictionally coaxially mountable with the respective second distributor gear Sprocket and at least one camshaft gear on an opposite side carries, the endless chain drive wrapping around the sprocket and the camshaft gear.
- a suitable gear ratio is expediently obtained from the crankshaft to the respective camshaft arrangement in that a tooth ratio of two Distribution gear to sprocket is chosen such that there is a gear ratio of the crankshaft to the camshaft arrangement of 2: 1 results.
- a safe management of the chain of the chain endless drive is achieved by the fact that Module has a U-shaped guide plate for the endless chain drive on the lost side.
- a safe and force-fitting running of the chain of the chain endless drive with little mechanical wear and low noise are achieved by the fact that Module has a chain tensioning device on the load side.
- FIGS. 1 and 2 of an inventive Control drive comprises an output gear 12 arranged on a crankshaft 10 which meshes with a first distributor gear 14. With one with the first Distribution gear 14 frictionally coupled distribution gear 42 mesh two second Distribution gears 16 and 18, which are coaxially non-positively with chain wheels 20, 22 and 24 respective modules 26, 28 and 30 are arranged, only those in FIGS. 1 and 2 Intermediate gears 20 and 24 are visible.
- the sprocket 22 is hidden behind the Sprocket 20 (see Fig. 5).
- Camshaft gears 34 which with corresponding camshafts, not shown are non-positively connected.
- the modules 26, 28 and 30 each carry the respective ones Sprockets 20, 22, 24 at one end and camshaft sprockets 34 at one opposite end, the respective chain endless drive 32, the chain wheels 20, 22nd or 24 and the associated camshaft gears 34.
- About the Chain endless drives 32 are essentially vibration-decoupled or vibration-damped power transmission.
- the output gear 12 meshes Crankshaft 10 additionally with a further distributor gear 35, which has a meshed gear 33 meshes with a first intermediate gear 36, which in turn meshes with a second intermediate gear 38.
- the second Intermediate gear 38 in turn does not mesh with a drive gear 40 Oil pump shown, so that simultaneously from the crankshaft 10 via the Output gear 12, the oil pump is driven.
- this includes Transfer gear 35 thirty-seven teeth, the first idler gear 36 eighteen Teeth, the second idler gear 38 eighteen teeth, and the drive gear 40 eighteen teeth.
- FIGS. 1 and 2 The embodiment of a control drive according to the invention shown in FIGS. 1 and 2 is for an internal combustion engine with three rows of cylinders arranged in a V-shape, hereinafter referred to as A, B and C, each module 26, 28 and 30 one Row of cylinders A, B or C or a respective camshaft arrangement of a row of cylinders A, B or C is assigned. It is immediately apparent that with only one transfer gear arrangement 14, 16, 18 actuated all three camshaft arrangements of the three rows of cylinders become.
- the arrangement shown as an example is particularly suitable for one Center drive suitable for the control drive, since it leads out of the control drive Crankshaft 10 away, that is from an inner region of a crankcase, not shown, only one of the cylinder rows to the outer camshaft gearwheels 34, namely the middle row of cylinders B must have a central recess or subdivision.
- the Adjacent rows of cylinders A and C can be undivided as continuous rows of cylinders A, C are trained.
- the camshaft sprockets 34 of the two neighboring ones Cylinder rows A and C are also from the central row B uplifting modules 26 and 30 actuated.
- the first and second transfer gears 14, 16 and 18 are as shown in FIGS. 3 and 4 can be seen, arranged in a common carrier 44.
- This carrier 44 holds the first Transfer gear 14 and the second transfer gears 16 and 18, the carrier
- pre-assembled in a recess or division of the central cylinder bank B. can be used and screwed to the crankcase.
- On the carrier 44 are also respective slide-in guides 46, 48 and 50 are each formed for the modules 26, 28 and 30. In these insertion guides 46, 48 and 50 are 44 after the attachment of the carrier the modules 26, 28 and 30 to the crankcase, each with preassembled sprockets 20, 22 and 24 as well as preassembled camshaft sprockets 34 and endless chain drive 32 insertable.
- preassembled sprockets 20, 22 and 24 as well as preassembled camshaft sprockets 34 and endless chain drive 32 insertable.
- Fig. 6 illustrates the arrangement of the second transfer gear 18 with the sprocket 24 in assembled condition.
- a shaft 60 is provided, which of two Central screws 62 and 64 is set.
- the central screw 64 also holds a gear 66, which serves to drive a further water pump, not shown.
- the Both of the aforementioned water pumps are, for example, directly adjacent to the carrier 44 in respective V-shaped spaces between the cylinder rows A and B or B and C arranged such that the drive gears directly with the respective gears 58th or 66 comb.
- FIG. 7 illustrates the module 26 for the cylinder bank A by way of example.
- This module 26 comprises a frame 68 and a run-side, U-shaped guide plate 70 with a Tread 72 for the chain of the chain endless drive, not shown in FIG. 7.
- the chain wraps around the sprocket 20 and Camshaft gears 34 and holds them to the frame 68, with no other Attachment for the sprocket 20 and the camshaft sprockets 34 is provided.
- Installation or insertion of the modules 26, 28 and 30 are finally done by means of corresponding waves, such as the aforementioned waves 52 and 60 for the Sprockets 20, 22 and 24, rotatably fixed.
- corresponding waves such as the aforementioned waves 52 and 60 for the Sprockets 20, 22 and 24, rotatably fixed.
- one Chain tensioning device 72 is provided, as can be seen in FIG. 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
Description
- Fig. 1
- eine bevorzugte Ausführungsform eines erfindungsgemäßen Steuertriebes in Vorderansicht,
- Fig. 2
- in perspektivischer Ansicht,
- Fig. 3
- einen Träger für eine Verteilerradanordnung eines erfindungsgemäßen Steuertriebes in Vorderansicht,
- Fig. 4
- in Aufsicht,
- Fig. 5
- in einer Schnittansicht entlang Linie A-A von Fig. 3,
- Fig. 6
- in einer Schnittansicht entlang Linie B-B von Fig. 3 und
- Fig. 7
- ein Modul eines erfindungsgemäßen Steuertriebes in Seitenansicht.
Claims (9)
- Steuertrieb für Nockenwellenanordnungen einer Brennkraftmaschine mit n V-förmig zueinander angeordneten Zylinderbänken, wobei der Steuertrieb eine Verteilerradanordnung mit einem ersten Verteilerzahnrad (14) aufweist, welches mit einem auf einer Kurbelwelle (10) der Brennkraftmaschine angeordneten Abtriebszahnrad (12) kämmt, dadurch gekennzeichnet, daß die Verteilerradanordnung m<n zweite Verteilerzahnräder (16,18) aufweist, welche mit dem ersten Verteilerzahnrad (14) kämmen und eine Antriebsenergie über n Kettenendlostriebe (32) an die n Nockenwellenanordnungen (34) der n Zylinderbänke übertragen.
- Steuertrieb nach Anspruch 1, dadurch gekennzeichnet, daß das Abtriebszahnrad (12) auf der Kurbelwelle (10) mittig angeordnet ist
- Steuertrieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß m = n-1 oder m = n-2 ist.
- Steuertrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß n = 2, 3 oder 4 ist.
- Steuertrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das erste und die zweiten Verteilerzahnräder (14,16,18) in einem gemeinsamen Träger (44) angeordnet sind, welcher vormontiert an einem Kurbelgehäuse der Brennkraftmaschine befestigbar ist.
- Steuertrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen jedem zweiten Verteilerzahnrad (16,18) und jeder Nockenwellenanordnung ein den Kettenendlostrieb (32) tragendes Modul (26,28,30) vorgesehen ist, wobei das Modul (26,28,30) in vormontierter Weise an einem Ende ein mit dem jeweiligen zweiten Verteilerzahnrad (16, 18) kraftschlüssig koaxial montierbares Kettenrad (20,22,24) und an einer gegenüberliegenden Seite wenigstens ein Nockenwellenzahnrad (34) trägt, wobei der Kettenendlostrieb (32) das Kettenrad (20,22,24) und das Nockenwellenzahnrad (34) umschlingt.
- Steuertrieb nach Anspruch 6, dadurch gekennzeichnet, daß ein Zahnverhältnis von zweitem Verteilerzahnrad (16,18) zu Keltenrad (20,22,24) derart gewählt ist, daß sich ein Übersetzungsverhältnis von der Kurbelwelle (10) zur Nockenwellenanordnung (34) von 2:1 ergibt.
- Steuertrieb nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß das Modul (26,28,30) lostrumseitig ein U-förmiges Führungsblech (70) für den Kettenendlostrieb (32) aufweist.
- Steuertrieb nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß das Modul (26,28,30) lasttrumseitig eine Kettenspannvorrichtung (72) aufweist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19840659A DE19840659A1 (de) | 1998-09-05 | 1998-09-05 | Steuertrieb für Nockenwellenanordnungen |
DE19840659 | 1998-09-05 | ||
PCT/EP1999/002717 WO2000014387A1 (de) | 1998-09-05 | 1999-04-22 | Steuertrieb für nockenwellenanordnungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1109992A1 EP1109992A1 (de) | 2001-06-27 |
EP1109992B1 true EP1109992B1 (de) | 2002-11-20 |
Family
ID=7880001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99920741A Expired - Lifetime EP1109992B1 (de) | 1998-09-05 | 1999-04-22 | Steuertrieb für nockenwellenanordnungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6378478B1 (de) |
EP (1) | EP1109992B1 (de) |
CN (1) | CN1110617C (de) |
DE (2) | DE19840659A1 (de) |
WO (1) | WO2000014387A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10102767A1 (de) | 2001-01-23 | 2002-07-25 | Volkswagen Ag | Steuertrieb für Ventile einer Brennkraftmaschine |
JP3618094B2 (ja) * | 2002-04-24 | 2005-02-09 | 川崎重工業株式会社 | 車輌用v型エンジン |
DE10314969A1 (de) * | 2003-04-02 | 2004-10-14 | Daimlerchrysler Ag | Antriebsvorrichtung an einer Brennkraftmaschine |
DE10343469B4 (de) * | 2003-09-19 | 2009-02-05 | Audi Ag | Umschlingungstrieb, insbesondere Kettentrieb |
US20060254548A1 (en) * | 2005-05-13 | 2006-11-16 | Andrzej Dec | Belt drive kit and module |
DE102005033743B4 (de) * | 2005-07-15 | 2007-05-16 | Borowski Und Meier Gmbh | Mehrfachkettenrad für eine Verbrennungskraftmaschine und Verbrennungskraftmaschine mit Mehrfachkettenrad |
US9194278B2 (en) * | 2013-03-15 | 2015-11-24 | Polaris Industries Inc. | Engine |
JP6168947B2 (ja) * | 2013-09-25 | 2017-07-26 | 本田技研工業株式会社 | 電動式スロットル弁を備えるエンジン |
FR3016402B1 (fr) * | 2014-01-13 | 2018-01-19 | Rdmo | Systeme de distribution pour moteur bicylindrique |
US9903239B2 (en) * | 2015-01-29 | 2018-02-27 | Vaztec Engine Venture, Llc | Engine with rotary valve apparatus |
DE102017116257A1 (de) | 2017-07-19 | 2019-01-24 | Schaeffler Technologies AG & Co. KG | Mehrfachkettenrad eines Nockenwellenverstellers |
FR3073594B1 (fr) * | 2017-11-16 | 2021-04-30 | Renault Sas | Ensemble pour moteur a combustion interne, notamment de vehicule automobile, comprenant au moins un arbre a cames, un vilebrequin et un organe de transmission |
EP4370160A1 (de) | 2021-07-15 | 2024-05-22 | President And Fellows Of Harvard College | Zusammensetzungen und verfahren in zusammenhang mit zellen mit anhaftenden partikeln |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB104968A (en) * | 1916-05-25 | 1917-03-29 | Wolseley Motors Ltd | Improvements in, or relating to, the Valve Mechanism of Internal Combustion Engines having Triple Rows of Cylinders. |
GB108929A (en) * | 1916-09-26 | 1917-08-30 | Sydney Slater Guy | Improvements in or relating to the Valve Mechanism of V-type Internal Combustion Engines. |
JPS59166759A (ja) * | 1983-03-11 | 1984-09-20 | Honda Motor Co Ltd | エンジンにおけるカム軸駆動装置 |
US4671223A (en) | 1983-07-07 | 1987-06-09 | Honda Giken Kogyo Kabushiki Kaisha | Side mounted V-type 4-cycle engine |
JPS6436930A (en) * | 1987-07-31 | 1989-02-07 | Fuji Heavy Ind Ltd | Accessories driving gear for engine |
JPH0233405A (ja) * | 1988-07-22 | 1990-02-02 | Yamaha Motor Co Ltd | V型多気筒エンジン |
JP2709125B2 (ja) * | 1989-02-15 | 1998-02-04 | ヤマハ発動機株式会社 | V形エンジン |
DE3921715A1 (de) | 1989-07-01 | 1991-01-10 | Porsche Ag | Vorrichtung zum antrieb zweier oelpumpen an einer hubkolben-brennkraftmaschine |
DE3921716A1 (de) * | 1989-07-01 | 1991-01-10 | Porsche Ag | Nockenwellenantrieb eines mehrzylinder-v-motors |
US5216989A (en) * | 1990-11-30 | 1993-06-08 | Mazda Motor Corporation | Apparatus for driving various devices by internal combustion engine |
-
1998
- 1998-09-05 DE DE19840659A patent/DE19840659A1/de not_active Withdrawn
-
1999
- 1999-04-22 DE DE59903486T patent/DE59903486D1/de not_active Expired - Fee Related
- 1999-04-22 CN CN99810460A patent/CN1110617C/zh not_active Expired - Fee Related
- 1999-04-22 EP EP99920741A patent/EP1109992B1/de not_active Expired - Lifetime
- 1999-04-22 US US09/786,562 patent/US6378478B1/en not_active Expired - Fee Related
- 1999-04-22 WO PCT/EP1999/002717 patent/WO2000014387A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE19840659A1 (de) | 2000-03-09 |
DE59903486D1 (de) | 2003-01-02 |
CN1316034A (zh) | 2001-10-03 |
CN1110617C (zh) | 2003-06-04 |
WO2000014387A1 (de) | 2000-03-16 |
US6378478B1 (en) | 2002-04-30 |
EP1109992A1 (de) | 2001-06-27 |
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