EP1403497B1 - Structure des paliers pour des arbres aux cames d' un moteur à combustion interne avec double arbres aux cames en la culasse - Google Patents
Structure des paliers pour des arbres aux cames d' un moteur à combustion interne avec double arbres aux cames en la culasse Download PDFInfo
- Publication number
- EP1403497B1 EP1403497B1 EP03020860A EP03020860A EP1403497B1 EP 1403497 B1 EP1403497 B1 EP 1403497B1 EP 03020860 A EP03020860 A EP 03020860A EP 03020860 A EP03020860 A EP 03020860A EP 1403497 B1 EP1403497 B1 EP 1403497B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camshaft
- cam chain
- combustion engine
- internal combustion
- exhaust
- 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 - Fee Related
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
-
- 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
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- 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
-
- 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
- F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/102—Lubrication of valve gear or auxiliaries of camshaft bearings
-
- 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
- F02F1/00—Cylinders; Cylinder heads
-
- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/38—Cylinder heads having cooling means for liquid cooling the cylinder heads being of overhead valve type
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
- F01M2001/064—Camshaft with passageways
-
- 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]
Definitions
- boss portions 38, 39 for head bolt on both sides of a pair of intake-side lifter holes 32, 32 for each cylinder and on both sides of a pair of exhaust-side lifter holes 33, 33, there are formed boss portions 38, 39 for head bolt.
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)
Claims (4)
- Structure de palier d'arbre à cames pour un moteur à combustion interne de type multicylindre et arbre à cames en tête, dans lequel, sur une surface couverte d'une culasse (5), un arbre à cames d'admission (21) et un arbre à cames d'échappement (22) sont agencés parallèlement l'un à l'autre, chaque partie de tourillonnement (25, 26) est supportée axialement, disposée et couverte avec un couvercle de tête (19), caractérisée en ce que
pratiquement au centre dudit arbre à cames d'admission (21) et dudit arbre à cames d'échappement (22), respectivement, sont prévus des pignons à chaîne pour chaîne de came (27, 28) ;
de façon adjacente auxdits pignons à chaîne pour chaîne de came (27, 28) des parties de palier (41, 42) sont formées, respectivement, sur la surface couverte de ladite culasse (5) ; et
entre chacune desdites parties de palier (41, 42) et chaque support (51, 52), chaque partie de tourillonnement (25, 26), à laquelle ledit arbre à cames d'admission (21) et ledit arbre à cames d'échappement (22) correspondent, est supportée axialement de manière à être prise en sandwich. - Structure de palier pour arbre à cames pour un moteur à combustion interne de type à arbre à cames en tête selon la revendication 1, caractérisée en ce que chaque partie de palier (41, 42), devant être formée sur la surface couverte de ladite culasse (5), de façon adjacente à chacun desdits pignons à chaîne pour chaîne de came (27, 28), est formée uniquement sur un côté de chacun desdits pignons à chaîne pour chaîne de came (27, 28).
- Structure de palier pour arbre à cames pour un moteur à combustion interne de type à arbre à cames en tête selon la revendication 1 ou la revendication 2, caractérisée en ce que ledit arbre à cames d'admission (21) et ledit arbre à cames d'échappement (22) ont des cames (23, 24), chacune d'entre elles agissant directement sur une soupape d'admission (9) et sur une soupape d'échappement (10), respectivement.
- Structure de palier pour arbre à cames pour un moteur à combustion interne de type à arbre à cames en tête selon la revendication 3,
caractérisée en ce que, dans ledit arbre à cames d'admission (21) et ledit arbre à cames d'échappement (22), est formé en leur sein un passage d'huile (21a, 22a) ;
de l'huile est introduite depuis un chemin d'introduction d'huile (43b, 44b) formé sur la partie de palier (41, 42) adjacente audit pignon à chaîne pour chaîne de came (27, 28) de ladite culasse (5) vers ledit passage d'huile (21a, 22a); et
de l'huile est conduite, venant d'un chemin de conduite d'huile (23a, 25a) formé dans chaque lobe de came (23, 24) et une partie de tourillonnement (25, 26).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002287251 | 2002-09-30 | ||
JP2002287251A JP4017488B2 (ja) | 2002-09-30 | 2002-09-30 | 頭上カム軸式内燃機関のカム軸軸受構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1403497A1 EP1403497A1 (fr) | 2004-03-31 |
EP1403497B1 true EP1403497B1 (fr) | 2007-10-31 |
Family
ID=31973438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020860A Expired - Fee Related EP1403497B1 (fr) | 2002-09-30 | 2003-09-15 | Structure des paliers pour des arbres aux cames d' un moteur à combustion interne avec double arbres aux cames en la culasse |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1403497B1 (fr) |
JP (1) | JP4017488B2 (fr) |
DE (1) | DE60317150T2 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1946786A1 (fr) | 2007-01-19 | 2008-07-23 | Coloplast A/S | Système d'irrigation avec une pompe |
JP4978383B2 (ja) * | 2007-09-05 | 2012-07-18 | マツダ株式会社 | 潤滑装置 |
CN101922320A (zh) * | 2010-09-29 | 2010-12-22 | 奇瑞汽车股份有限公司 | 一种汽车发动机凸轮轴 |
CN102140948A (zh) * | 2011-03-29 | 2011-08-03 | 奇瑞汽车股份有限公司 | 一种可变气门升程汽车发动机偏心轴 |
DE102013205129A1 (de) * | 2013-03-22 | 2014-09-25 | Mahle International Gmbh | Lagerrahmen oder Zylinderkopfhaube einer Brennkraftmaschine |
CN105351032A (zh) * | 2015-11-18 | 2016-02-24 | 重庆小康工业集团股份有限公司 | 凸轮轴润滑系统 |
CN105370334B (zh) * | 2015-11-23 | 2018-01-16 | 重庆祥吉机械制造有限公司 | 一种凸轮轴结构 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6024063A (en) * | 1999-06-14 | 2000-02-15 | Ford Global Technologies, Inc. | Camshaft lash adjustment process and system for internal combustion engine |
DE19962164A1 (de) * | 1998-12-29 | 2000-07-06 | Suzuki Motor Co | Öldurchtritt für einen Verbrennungsmotor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4632073A (en) * | 1984-05-16 | 1986-12-30 | Yamaha Hatsudoki Kabushiki Kaisha | Camshaft mounting mechanism for DOHC engine of motorcyle |
JPH0754090B2 (ja) * | 1984-09-14 | 1995-06-07 | スズキ株式会社 | 自動二輪車用エンジンのシリンダヘッド冷却構造 |
JPH0219521Y2 (fr) * | 1985-04-17 | 1990-05-30 | ||
JP2750415B2 (ja) * | 1987-12-28 | 1998-05-13 | ヤマハ発動機株式会社 | 多弁式エンジンの動弁装置 |
-
2002
- 2002-09-30 JP JP2002287251A patent/JP4017488B2/ja not_active Expired - Fee Related
-
2003
- 2003-09-15 EP EP03020860A patent/EP1403497B1/fr not_active Expired - Fee Related
- 2003-09-15 DE DE2003617150 patent/DE60317150T2/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19962164A1 (de) * | 1998-12-29 | 2000-07-06 | Suzuki Motor Co | Öldurchtritt für einen Verbrennungsmotor |
US6024063A (en) * | 1999-06-14 | 2000-02-15 | Ford Global Technologies, Inc. | Camshaft lash adjustment process and system for internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JP2004124746A (ja) | 2004-04-22 |
DE60317150D1 (de) | 2007-12-13 |
EP1403497A1 (fr) | 2004-03-31 |
DE60317150T2 (de) | 2008-02-21 |
JP4017488B2 (ja) | 2007-12-05 |
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