ATE483894T1 - Motorventiltrieb - Google Patents

Motorventiltrieb

Info

Publication number
ATE483894T1
ATE483894T1 AT04731479T AT04731479T ATE483894T1 AT E483894 T1 ATE483894 T1 AT E483894T1 AT 04731479 T AT04731479 T AT 04731479T AT 04731479 T AT04731479 T AT 04731479T AT E483894 T1 ATE483894 T1 AT E483894T1
Authority
AT
Austria
Prior art keywords
rocker
swing
side depressed
depressed surface
valve drive
Prior art date
Application number
AT04731479T
Other languages
English (en)
Inventor
Hideo Fujita
Koichi Hatamura
Original Assignee
Yamaha 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Application granted granted Critical
Publication of ATE483894T1 publication Critical patent/ATE483894T1/de

Links

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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
    • 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
    • F01L1/08—Shape of cams
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • F01L2013/0068—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "BMW-Valvetronic" 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
    • F01L2305/00—Valve arrangements comprising rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2107—Follower

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
AT04731479T 2003-05-01 2004-05-06 Motorventiltrieb ATE483894T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003126257 2003-05-01
JP2003304931A JP4248343B2 (ja) 2003-05-01 2003-08-28 エンジンの動弁装置
PCT/JP2004/006428 WO2004097186A1 (ja) 2003-05-01 2004-05-06 エンジンの動弁装置

Publications (1)

Publication Number Publication Date
ATE483894T1 true ATE483894T1 (de) 2010-10-15

Family

ID=33422088

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04731479T ATE483894T1 (de) 2003-05-01 2004-05-06 Motorventiltrieb

Country Status (7)

Country Link
US (1) US7281504B2 (de)
EP (1) EP1619360B1 (de)
JP (1) JP4248343B2 (de)
AT (1) ATE483894T1 (de)
CA (1) CA2536767A1 (de)
DE (1) DE602004029457D1 (de)
WO (1) WO2004097186A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4480669B2 (ja) 2003-03-11 2010-06-16 ヤマハ発動機株式会社 内燃機関の可変動弁機構
JP4248344B2 (ja) 2003-05-01 2009-04-02 ヤマハ発動機株式会社 エンジンの動弁装置
GB2412408A (en) * 2004-03-26 2005-09-28 Christopher Paulet Mel Walters Valve gear for an internal combustion engine
JP4247529B2 (ja) 2003-08-22 2009-04-02 ヤマハ発動機株式会社 内燃機関の動弁機構
JP2005069014A (ja) * 2003-08-25 2005-03-17 Yamaha Motor Co Ltd 内燃機関の動弁機構
JP4237643B2 (ja) 2003-08-25 2009-03-11 ヤマハ発動機株式会社 内燃機関の動弁機構
TW200530491A (en) * 2004-01-20 2005-09-16 Honda Motor Co Ltd Valve operating device for internal combustion engine
JP2006329084A (ja) 2005-05-26 2006-12-07 Yamaha Motor Co Ltd エンジンの動弁装置
JP2006329164A (ja) 2005-05-30 2006-12-07 Yamaha Motor Co Ltd 複数気筒エンジン
JP4586768B2 (ja) * 2006-05-29 2010-11-24 トヨタ自動車株式会社 内燃機関の動弁装置
JP4546435B2 (ja) * 2006-09-29 2010-09-15 本田技研工業株式会社 内燃機関のリフト量可変動弁装置
JP4726775B2 (ja) 2006-12-20 2011-07-20 ヤマハ発動機株式会社 エンジンの連続可変式動弁装置
WO2021164947A1 (en) * 2020-02-19 2021-08-26 Eaton Intelligent Power Limited Rocker arm assemblies

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519375B1 (fr) 1981-12-31 1986-07-11 Baguena Michel Distribution variable pour moteur a quatre temps
DE3519319A1 (de) 1985-05-30 1986-12-04 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Variable ventilsteuerung fuer eine hubkolben-brennkraftmaschine
JPS63309707A (ja) 1987-06-11 1988-12-16 Fuji Heavy Ind Ltd ロッカア−ムの可変バルブリフト装置
JPH02241916A (ja) 1989-03-16 1990-09-26 Fuji Valve Co Ltd エンジンバルブのリフト調節装置
JP2700692B2 (ja) 1989-06-30 1998-01-21 スズキ株式会社 ４サイクルエンジンの動弁装置
JP2944264B2 (ja) 1991-07-23 1999-08-30 株式会社ユニシアジェックス 内燃機関の動弁装置
WO1993008377A1 (de) 1991-10-25 1993-04-29 Peter Kuhn Vorrichtung zur betätigung der ventile in verbrennungsmotoren mittels umlaufender nocken
JP3268826B2 (ja) 1992-07-03 2002-03-25 マツダ株式会社 エンジンのバルブタイミング制御装置
DE4326331A1 (de) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Ventiltrieb einer Brennkraftmaschine
JP2924489B2 (ja) * 1992-09-16 1999-07-26 トヨタ自動車株式会社 内燃機関の動弁機構
JP3380582B2 (ja) 1993-03-23 2003-02-24 マツダ株式会社 エンジンのバルブタイミング制御装置
JP3092390B2 (ja) * 1993-04-28 2000-09-25 トヨタ自動車株式会社 内燃機関の可変動弁機構
EP0638706A1 (de) 1993-08-05 1995-02-15 Bayerische Motoren Werke Aktiengesellschaft Ventiltrieb einer Brennkraftmaschine
JPH07133709A (ja) 1993-09-17 1995-05-23 Mazda Motor Corp エンジンのバルブタイミング可変装置
JPH07193216A (ja) 1993-12-27 1995-07-28 Sharp Corp 電極構造およびその製造方法
JP3368521B2 (ja) 1996-04-01 2003-01-20 三菱自動車工業株式会社 内燃機関の動弁機構
DE19708484B4 (de) 1997-03-03 2006-07-13 Bayerische Motoren Werke Ag Vorrichtung zur Änderung des Ventilhubverlaufes eines Hubventils, insbesondere eines Gaswechselventils von Brennkraftmaschinen
JPH1136833A (ja) 1997-07-22 1999-02-09 Otix:Kk 可変動弁機構
JP2000213320A (ja) 1998-11-16 2000-08-02 Yamaha Motor Co Ltd エンジンのカム選択式動弁装置
US6135075A (en) 1999-03-10 2000-10-24 Boertje; Brian H. Variable cam mechanism for an engine
KR20020071854A (ko) * 1999-10-15 2002-09-13 비 투 피티와이 리미티드 포핏 밸브용 안내판
DE59902000D1 (de) 1999-10-29 2002-08-14 Sts System Technology Services Mechanische Regelung der Hubverstellung des Einlassventils eines Verbrennungsmotors
US6422187B2 (en) 2000-01-26 2002-07-23 Delphi Technologies, Inc. Variable valve mechanism having an eccentric-driven frame
DE10006018B4 (de) 2000-02-11 2009-09-17 Schaeffler Kg Variabler Ventiltrieb zur Laststeuerung einer fremdgezündeten Brennkraftmaschine
JP3799944B2 (ja) 2000-03-21 2006-07-19 トヨタ自動車株式会社 内燃機関の可変動弁機構および吸気量制御装置
DE10017441A1 (de) * 2000-04-07 2001-10-11 Bayerische Motoren Werke Ag vorrichtung zur Hubverstellung eines Gaswechselventils im Zylinderkopf einer Brennkraftmaschine
DE10123186A1 (de) 2001-05-12 2002-11-14 Bayerische Motoren Werke Ag Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils einer Brennkraftmaschine
JP4108295B2 (ja) 2001-06-14 2008-06-25 株式会社オティックス 可変動弁機構
DE10136612A1 (de) * 2001-07-17 2003-02-06 Herbert Naumann Variable Hubventilsteuerungen
JP4362249B2 (ja) 2001-09-28 2009-11-11 株式会社オティックス 可変動弁機構
JP2003148116A (ja) 2001-11-07 2003-05-21 Suzuki Motor Corp ４サイクルエンジンの動弁装置
JP2003201814A (ja) 2001-12-28 2003-07-18 Suzuki Motor Corp ４サイクルエンジンの動弁装置
JP2003239713A (ja) * 2002-02-18 2003-08-27 Toyota Motor Corp 内燃機関の動弁機構
AU2003242323A1 (en) 2002-05-17 2003-12-02 Koichi Hatamura Engine valve driver
CA2486440A1 (en) 2002-05-17 2003-11-27 Yamaha Hatsudoki Kabushiki Kaisha Valve train device for engine
US6659053B1 (en) 2002-06-07 2003-12-09 Eaton Corporation Fully variable valve train
JP4480669B2 (ja) 2003-03-11 2010-06-16 ヤマハ発動機株式会社 内燃機関の可変動弁機構
JP4248344B2 (ja) 2003-05-01 2009-04-02 ヤマハ発動機株式会社 エンジンの動弁装置
JP4247529B2 (ja) 2003-08-22 2009-04-02 ヤマハ発動機株式会社 内燃機関の動弁機構
JP2005069014A (ja) 2003-08-25 2005-03-17 Yamaha Motor Co Ltd 内燃機関の動弁機構
JP4237643B2 (ja) 2003-08-25 2009-03-11 ヤマハ発動機株式会社 内燃機関の動弁機構

Also Published As

Publication number Publication date
WO2004097186A1 (ja) 2004-11-11
US7281504B2 (en) 2007-10-16
JP4248343B2 (ja) 2009-04-02
EP1619360A1 (de) 2006-01-25
EP1619360A8 (de) 2006-05-10
EP1619360B1 (de) 2010-10-06
CA2536767A1 (en) 2004-11-11
EP1619360A4 (de) 2008-09-17
JP2004353649A (ja) 2004-12-16
US20060107915A1 (en) 2006-05-25
DE602004029457D1 (de) 2010-11-18

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Legal Events

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