ES2109746T3 - VALVE ACTUATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE. - Google Patents

VALVE ACTUATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE.

Info

Publication number
ES2109746T3
ES2109746T3 ES95103157T ES95103157T ES2109746T3 ES 2109746 T3 ES2109746 T3 ES 2109746T3 ES 95103157 T ES95103157 T ES 95103157T ES 95103157 T ES95103157 T ES 95103157T ES 2109746 T3 ES2109746 T3 ES 2109746T3
Authority
ES
Spain
Prior art keywords
lever
valve
towing
combustion engine
internal combustion
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
Application number
ES95103157T
Other languages
Spanish (es)
Inventor
Wilhelm Dr Hannibal
Michael Paul
Peter Hubschle
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.)
Audi AG
Original Assignee
Audi 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 Audi AG filed Critical Audi AG
Application granted granted Critical
Publication of ES2109746T3 publication Critical patent/ES2109746T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves

Abstract

UN DISPOSITIVO DE ACCIONAMIENTO DE VALVULA PARA UN MOTOR DE COMBUSTION INTERNA MUESTRA PARA EL ACCIONAMIENTO AL MENOS DE UNA VALVULA (1) DE ENTRADA O SALIDA EN DIFERENTES TIPOS DE OPERACION DOS PALANCAS (2,8) DE ARRASTRE APOYADAS DE FORMA OSCILANTE, A PARTIR DE LA CUALES LA PRIMERA PALANCA DE ARRASTRE ACTUA CONJUNTAMENTE CON LA VALVULA (1) Y AL MENOS LA SEGUNDA PALANCA DE ARRASTRE (8) ACTUA CONJUNTAMENTE CON UNA LEVA (9) DE UN EJE DE LEVAS. AMBAS PALANCAS DE ARRASTRE PUEDEN ESTAR UNIDAS UNA CON OTRA PARA EL ACCIONAMIENTO DE LA VALVULA EN UN PRIMER TIPO DE OPERACION POR MEDIO DE UN PERNO (15) DE ACOPLAMIENTO O ESTAR SEPARADAS UNA DE OTRA EN UN SEGUNDO TIPO DE OPERACION. PARA REDUCIR EL ROZAMIENTO EN EL CASO DE VALVULA CERRADA, LA SEGUNDA PALANCA (8) DE ARRASTRE SE APOYA EN LA PRIMERA PALANCA (2) DE ARRASTRE A TRAVES DE UN PRIMER TOPE (22) AJUSTABLE Y LA PRIMERA PALANCA (2) DE ARRASTRE ES AJUSTABLE EN LA SUPERFICIE (27) DE LA CULATA A TRAVES DE UN SEGUNDO TOPE (26), QUE SE AJUSTA DE TAL MODOQUE SE EVITA UN CONTACTO DE LA SEGUNDA PALANCA (8) DE ARRASTRE CON EL TRAMO CIRCULAR BASICO DE SU LEVA (9).A VALVE ACTUATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE SHOWS FOR THE ACTUATION OF AT LEAST ONE INLET OR OUTLET VALVE (1) IN DIFFERENT TYPES OF OPERATION TWO LEVERS (OSCILLATY SUPPORTED, FROM WHICH THE FIRST DRIVE LEVER WORKS TOGETHER WITH THE VALVE (1) AND AT LEAST THE SECOND DRIVE LEVER (8) WORKS TOGETHER WITH A CAM (9) OF A CAMSHAFT. BOTH DRIVE LEVERS MAY BE UNITED WITH ONE ANOTHER FOR THE VALVE ACTUATION IN A FIRST TYPE OF OPERATION BY MEANS OF A COUPLING BOLT (15) OR BE SEPARATED ONE FROM THE OTHER IN A SECOND TYPE OF OPERATION. TO REDUCE FRICTION IN THE CASE OF A CLOSED VALVE, THE SECOND LEVER (8) OF TOWING IS SUPPORTED ON THE FIRST LEVER (2) OF TOWING THROUGH A FIRST STOP (22) ADJUSTABLE AND THE FIRST LEVER (2) OF TOWING IS ADJUSTABLE ON THE SURFACE (27) OF THE CYLINDER HEAD THROUGH A SECOND STOP (26), WHICH IS ADJUSTED IN SUCH A WAY THAT A CONTACT OF THE SECOND LEVER (8) OF DRAGGING WITH THE BASIC CIRCULAR SECTION OF ITS CAM (9) IS AVOIDED .

ES95103157T 1994-03-24 1995-03-06 VALVE ACTUATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE. Expired - Lifetime ES2109746T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944410288 DE4410288C1 (en) 1994-03-24 1994-03-24 Valve actuation device for IC engine

Publications (1)

Publication Number Publication Date
ES2109746T3 true ES2109746T3 (en) 1998-01-16

Family

ID=6513774

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95103157T Expired - Lifetime ES2109746T3 (en) 1994-03-24 1995-03-06 VALVE ACTUATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE.

Country Status (3)

Country Link
EP (1) EP0678659B1 (en)
DE (1) DE4410288C1 (en)
ES (1) ES2109746T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19612551A1 (en) * 1996-03-29 1997-10-02 Schaeffler Waelzlager Kg Valve train of an internal combustion engine that can be switched over to different strokes for at least one gas exchange valve
US5655488A (en) * 1996-07-22 1997-08-12 Eaton Corporation Dual event valve control system
DE102004007766A1 (en) 2003-03-20 2004-09-30 Ina-Schaeffler Kg Cam follower for valve gear of internal combustion engine has arms of outer lever connected to transverse beam, and slide interconnecting outer and inner levers is movable in longitudinal bore to act on underside of transverse beam
DE10318295A1 (en) 2003-04-23 2004-11-11 Ina-Schaeffler Kg Drag lever of a valve train of an internal combustion engine
DE102004027054A1 (en) * 2004-06-03 2005-12-22 Ina-Schaeffler Kg Switchable cam follower for internal combustion engine, has levers with retainers in cam base circle, and slide valve arranged in one of retainers, where adjustment of retainers is realized over internal load-securing device
DE102006021933A1 (en) * 2006-05-11 2007-11-15 Schaeffler Kg Drag lever system for use in cylinder head of internal combustion engine, has outer lever including side walls with supporting surfaces for respective opposing surfaces so that start-up unit of inner lever is held at distance to lifting cam
JP6458090B2 (en) * 2017-06-30 2019-01-23 ヤマハ発動機株式会社 Internal combustion engine and vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556025A (en) * 1983-11-18 1985-12-03 Mazda Motor Corporation Engine valve mechanism having valve disabling device
US4690110A (en) * 1985-04-26 1987-09-01 Mazda Motor Corporation Variable valve mechanism for internal combustion engines
CA1308977C (en) * 1986-08-27 1992-10-20 Tsuneo Konno Valve operating device for internal combustion engine
DE4321308C1 (en) * 1993-06-26 1994-07-21 Audi Ag Activating engine valve for engines

Also Published As

Publication number Publication date
EP0678659B1 (en) 1997-10-22
DE4410288C1 (en) 1995-06-14
EP0678659A1 (en) 1995-10-25

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