EP1403497B1 - Nockenwellenlagerstruktur für eine Brennkraftmaschine mit oben liegenden Nockenwellen - Google Patents

Nockenwellenlagerstruktur für eine Brennkraftmaschine mit oben liegenden Nockenwellen Download PDF

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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
Application number
EP03020860A
Other languages
English (en)
French (fr)
Other versions
EP1403497A1 (de
Inventor
Koji Terada
Hirotaka Haze
Eiko Shiozaki
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of EP1403497A1 publication Critical patent/EP1403497A1/de
Application granted granted Critical
Publication of EP1403497B1 publication Critical patent/EP1403497B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)

  1. Nockenwellen-Lagerstruktur für einen Mehrzylinder-Verbrennungsmotor vom Typ mit oben liegender Nockenwelle, bei der auf einer abgedeckten Oberfläche von einem Zylinderkopf (5) eine Einlassnockenwelle (21) und eine Auslassnockenwelle (22) parallel zueinander angeordnet sind, wobei jeder Lagerzapfenabschnitt (25, 26) axial gelagert, angeordnet und mit einer Kopfabdeckung (19) abgedeckt ist,
    dadurch gekennzeichnet, dass
    jeweils im Wesentlichen in der Mitte von der Einlassnockenwelle (21) und der Auslassnockenwelle (22) Steuerketten-Kettenräder (27, 28) vorgesehen sind;
    benachbart den Steuerketten-Kettenrädern (27, 28) jeweils Lagerabschnitte (41, 42) auf der abgedeckten Oberfläche von dem Zylinderkopf (5) ausgebildet sind; und
    zwischen jedem von den Lagerabschnitten (41, 42) und jeder Halterung (51, 52) jeder Lagerzapfenabschnitt (25, 26) der entsprechenden Einlassnockenwelle (21) und Auslassnockenwelle (22) axial derart gelagert ist, dass er dazwischenliegend angeordnet ist.
  2. Nockenwellen-Lagerstruktur für einen Verbrennungsmotor vom Typ mit oben liegender Nockenwelle gemäß Anspruch 1,
    dadurch gekennzeichnet, dass
    jeder Lagerabschnitt (41, 42), welcher an der abgedeckten Oberfläche von dem Zylinderkopf (5) benachbart jedem der Steuerketten-Kettenräder (27, 28) auszubilden ist, nur auf einer Seite von jedem der Steuerketten-Kettenräder (27, 28) ausgebildet ist.
  3. Nockenwellen-Lagerstruktur für einen Verbrennungsmotor vom Typ mit oben liegender Nockenwelle gemäß Anspruch 1 oder Anspruch 2,
    dadurch gekennzeichnet, dass
    die Einlassnockenwelle (21) und die Auslassnockenwelle (22) Nocken (23, 24) haben, von denen jeder direkt auf ein Einlassventil (9) bzw. ein Auslassventil (10) wirkt.
  4. Nockenwellen-Lagerstruktur für einen Verbrennungsmotor vom Typ mit oben liegender Nockenwelle gemäß Anspruch 3,
    dadurch gekennzeichnet, dass
    in der Einlassnockenwelle (21) und der Auslassnockenwelle (22) ein Öldurchgang (21 a, 22a) ausgebildet ist; Öl von einem Einleitölweg (43b, 44b), welcher an dem Lagerabschnitt (41, 42) benachbart dem Steuerketten-Kettenrad (27, 28) von dem Zylinderkopf (5) ausgebildet ist, zu dem Öldurchgang (21 a, 22a) geleitet wird; und
    Öl von einem Leitungsölweg (23a, 25a) geleitet wird, welcher in jedem Nockenbuckel (23, 24) und einem Lagerzapfenabschnitt (25, 26) ausgebildet ist.
EP03020860A 2002-09-30 2003-09-15 Nockenwellenlagerstruktur für eine Brennkraftmaschine mit oben liegenden Nockenwellen Expired - Fee Related EP1403497B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
JP2002287251 2002-09-30

Publications (2)

Publication Number Publication Date
EP1403497A1 EP1403497A1 (de) 2004-03-31
EP1403497B1 true EP1403497B1 (de) 2007-10-31

Family

ID=31973438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03020860A Expired - Fee Related EP1403497B1 (de) 2002-09-30 2003-09-15 Nockenwellenlagerstruktur für eine Brennkraftmaschine mit oben liegenden Nockenwellen

Country Status (3)

Country Link
EP (1) EP1403497B1 (de)
JP (1) JP4017488B2 (de)
DE (1) DE60317150T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1946786A1 (de) 2007-01-19 2008-07-23 Coloplast A/S Spülsystem mit Pumpe
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (de) * 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
DE60317150D1 (de) 2007-12-13
EP1403497A1 (de) 2004-03-31
JP2004124746A (ja) 2004-04-22
JP4017488B2 (ja) 2007-12-05
DE60317150T2 (de) 2008-02-21

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