EP0907008B1 - Culasse avec commande de soupape pour moteur à combustion interne - Google Patents

Culasse avec commande de soupape pour moteur à combustion interne Download PDF

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Publication number
EP0907008B1
EP0907008B1 EP98115431A EP98115431A EP0907008B1 EP 0907008 B1 EP0907008 B1 EP 0907008B1 EP 98115431 A EP98115431 A EP 98115431A EP 98115431 A EP98115431 A EP 98115431A EP 0907008 B1 EP0907008 B1 EP 0907008B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
projection
valve
rocker arm
drag lever
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
EP98115431A
Other languages
German (de)
English (en)
Other versions
EP0907008A1 (fr
Inventor
Reinhard Ratzberger
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0907008A1 publication Critical patent/EP0907008A1/fr
Application granted granted Critical
Publication of EP0907008B1 publication Critical patent/EP0907008B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms

Definitions

  • the invention relates to a preamble of claim 1
  • Cylinder head with valve control for an internal combustion engine with a rocker arm form-fitting at one end on a ball pin arranged in the cylinder head is movably mounted and at the other via a between straight stop bars with play engaging shaft end of a gas exchange valve on the Valve stem is positively secured, and the connection of both rocker arm ends has essentially parallel side cheeks in the central area, being spaced with play in the transverse direction of the rocker arm to its side cheeks Arranged projections are provided on parts of the cylinder head.
  • Such a rocker arm for a in a cylinder head of an internal combustion engine arranged valve control is known for example from US-A 4 791 893.
  • This known rocker arm is for the simultaneous actuation of two valves two arms, which makes the rocker arm especially at high Engine speeds and / or uneven valve closing movements are encouraged to jump or tilt, which is disadvantageous for the valve train can.
  • To secure this position it is designed without a positioning spring device
  • the projections arranged with play on both sides serve as rocker arms on the cylinder head.
  • the invention is based, for a generic rocker arm the task for installation in the cylinder head without separate rocker arm devices to demonstrate the simple and safe assembly of the rocker arm enable.
  • one projection on a camshaft bearing bracket and the other Projection is arranged on a collar of the cylinder head and for longitudinal positioning serving third projection on the inside on a cylinder head boundary is arranged.
  • projections are advantageously in one piece with that formed in the casting Cylinder head connected, if necessary, can be used for transverse positioning diametrically opposite projections can be machined.
  • a cylinder head 1, shown only in sections, for one not shown Internal combustion engine is equipped with a valve control 2, which preferably one designed as a roller lever rocker arm 3.
  • the rocker arm 3 is one end, for example, on a ball pin 4 arranged in the cylinder head 1 of a hydraulic valve clearance compensation element 5 is positively movable stored.
  • the rocker arm 3 is via a between straight stop bars 6 engaging shaft end 7 of a gas exchange valve 8 at its end Valve stem 9 guided positively secured.
  • the connection between the two points further Ends of the rocker arm 3 in the central region substantially parallel side cheeks 10 on.
  • the projections 11, 11 ' are relative small game to the side cheeks 10 of the rocker arm 3 and arranged with relatively wide stop surfaces 18 formed.
  • the invention enables simple assembly of the rocker arm 3 without auxiliary tools, whereby a functionally correct assembly of the rocker arm is achieved and further spring or guide elements are omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (2)

  1. Culasse avec commande de soupapes pour un moteur à combustion interne, dans laquelle
    un culbuteur (3) est monté de façon mobile par complémentarité de forme, à une extrémité, sur un pivot sphérique (4) disposé dans la culasse (1) et est guidé à l'autre extrémité en étant fixé par complémentarité de forme sur la tige de soupape (9) au moyen d'une extrémité (7) d'une soupape (8), venant en prise avec du jeu entre des nervures de butée (6) droites,
    la liaison des deux extrémités du culbuteur présente, dans la zone centrale, des joues latérales sensiblement parallèles (10), et
    des saillies (11, 11'), disposées avec du jeu à une certaine distance des joues latérales (10) du culbuteur (3) dans le sens transversal de celui-ci, sont prévues sur des parties de la culasse (1),
    caractérisée en ce que
    pour positionner sans outil le culbuteur (3) sur le pivot sphérique (4) et la tige de soupape (9) dans le sens longitudinal du culbuteur (3), on utilise une nervure d'arrêt de montage (12) reliant ses nervures de butée (6) situées du côté de la tige de soupape, en même temps qu'une autre saillie (13) voisine du pivot sphérique (4) dans ou sur la culasse (1).
  2. Culasse selon la revendication 1,
    caractérisée en ce qu'
    on dispose l'une des saillies (11) faisant partie des saillies (11, 11') de positionnement transversal des joues latérales (10) du culbuteur et placées diamétralement, sur un siège de palier (14) d'arbre à cames, et l'autre saillie (11') sur un collet(15) de la culasse (1), et
    on dispose la troisième saillie (13), servant au positionnement en longueur, du côté intérieur sur une délimitation (16) de la culasse.
EP98115431A 1997-10-01 1998-08-17 Culasse avec commande de soupape pour moteur à combustion interne Expired - Lifetime EP0907008B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19743488 1997-10-01
DE19743488A DE19743488A1 (de) 1997-10-01 1997-10-01 Zylinderkopf mit Ventilsteuerung für eine Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP0907008A1 EP0907008A1 (fr) 1999-04-07
EP0907008B1 true EP0907008B1 (fr) 2001-03-14

Family

ID=7844348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115431A Expired - Lifetime EP0907008B1 (fr) 1997-10-01 1998-08-17 Culasse avec commande de soupape pour moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP0907008B1 (fr)
DE (2) DE19743488A1 (fr)
ES (1) ES2156016T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE282142T1 (de) * 1999-04-26 2004-11-15 Delphi Tech Inc Rollenschlepphebel
DE19953419A1 (de) * 1999-11-06 2001-05-10 Deutz Ag Brennkraftmaschine
EP1312772B1 (fr) * 2001-11-19 2004-08-11 Honda Giken Kogyo Kabushiki Kaisha Moteur à combustion interne avec système de distribution à soupapes
DE102006052821A1 (de) * 2006-11-09 2008-05-15 Schaeffler Kg Schlepphebel zur Betätigung eines Gaswechselventils einer Brennkraftmaschine
DE102007006695A1 (de) * 2007-02-10 2008-08-21 Schaeffler Kg Schlepphebel mit einem aus Blechwerkstoff umgeformten Hebelkörper
US7845323B2 (en) * 2007-07-06 2010-12-07 Brp-Powertrain Gmbh & Co Kg Internal combustion engine cam follower arrangement
KR101033320B1 (ko) 2008-12-05 2011-05-09 기아자동차주식회사 엔드 피봇 타입 밸브트레인
DE102010005825A1 (de) * 2010-01-27 2011-07-28 GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Mich. Sicherungsvorrichtung zur Montage eines Schlepphebels
DE102013102149B4 (de) * 2013-03-05 2024-06-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung
DE102013102150A1 (de) * 2013-03-05 2014-09-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502058A (en) * 1966-02-24 1970-03-24 Earl A Thompson Rocker arm
GB1201214A (en) * 1968-02-01 1970-08-05 Ford Motor Co Overhead camshaft internal combustion engine
JPH059444Y2 (fr) * 1986-07-11 1993-03-09
EP0287554A3 (fr) * 1987-04-13 1989-03-15 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Entraínement de soupape pour un moteur à combustion interne
US4979475A (en) * 1990-05-25 1990-12-25 Henley Manufacturing Holding Company, Inc. Rocker arm with rounded channel to engage a valve stem with semi-spherical end
EP0761933A1 (fr) * 1995-09-08 1997-03-12 Sandco Automotive Limited Culbuteur
DE19543657C2 (de) 1995-11-23 1998-07-02 Schaeffler Waelzlager Ohg Spanlos geformter Schlepp- oder Kipphebel

Also Published As

Publication number Publication date
ES2156016T3 (es) 2001-06-01
DE59800529D1 (de) 2001-04-19
DE19743488A1 (de) 1999-04-08
EP0907008A1 (fr) 1999-04-07

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