EP0232482B1 - Dispositif de rattrapage de jeu - Google Patents

Dispositif de rattrapage de jeu Download PDF

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Publication number
EP0232482B1
EP0232482B1 EP86115780A EP86115780A EP0232482B1 EP 0232482 B1 EP0232482 B1 EP 0232482B1 EP 86115780 A EP86115780 A EP 86115780A EP 86115780 A EP86115780 A EP 86115780A EP 0232482 B1 EP0232482 B1 EP 0232482B1
Authority
EP
European Patent Office
Prior art keywords
valve
clamping ring
membrane
valve cup
compensating device
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
EP86115780A
Other languages
German (de)
English (en)
Other versions
EP0232482A1 (fr
Inventor
Hans Dipl.-Ing. Deuring
Klaus Dipl.-Ing. Pesch
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.)
Goetze GmbH
Original Assignee
Goetze GmbH
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 Goetze GmbH filed Critical Goetze GmbH
Priority to AT86115780T priority Critical patent/ATE52835T1/de
Publication of EP0232482A1 publication Critical patent/EP0232482A1/fr
Application granted granted Critical
Publication of EP0232482B1 publication Critical patent/EP0232482B1/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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and valve stem
    • 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
    • F01L2309/00—Self-contained lash adjusters

Definitions

  • the invention relates to a valve clearance compensation device for internal combustion engines, consisting of a valve cup, a compensation element guided in the center of the valve cup and an elastomeric membrane extending from the valve cup to the compensation element, the fastening ends of which are thickened in a bead shape and interact with metal parts.
  • valve lash adjuster consists of several individual parts that must be installed individually when installing the valve lash adjuster. Such systems cannot be used for tappets with a closed hydraulic system.
  • the metal parts are angular clamping rings in cross section, which are positively embedded in the fastening ends of the membrane such that the respective axial leg of the clamping ring exerts a radial tension on the existing elastomer layer between the clamping ring and valve cup or compensating element and that at least the radial leg of each clamping ring has an elastomer-free surface to the side of an assembly tool and that the clamping rings in the fastening ends of the elastic membrane have a respective undercut that cooperate with the fastening ends of the elastic membrane in such a way that the clamping rings are secured against axial slipping out.
  • the first clamping ring 13 is provided with an axially recessed base 16.
  • the tubular area 15 of the clamping ring 13 has an undercut 17 at its ends and is positively connected to the bead 12 of the membrane 8.
  • the second clamping ring 14 arranged in the bead 11 is angled and also has an undercut 17. Sealing lips 18, 19, which are bent radially in the direction of the compensating element 4, serve to support the sealing action at the fastening ends 11, 12 of the membrane 8.
  • FIG. 3 shows a snap connection for axially fastening the membrane 8 in the valve cup 1.
  • the membrane 8 is pressed over a circumferential radial projection 23, the projection 23 functioning as a ramp.
  • the clamping ring 14 snaps against the inner circumference 9 of the valve cup 1, so that the membrane 8 is locked axially against slipping out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Claims (8)

1. Dispositif de rattrapage de jeu pour soupapes de moteur à combustion interne se composant d'une cloche (1) de soupape, d'un élément (4) d'équilibrage amené au centre de la cloche de soupape et d'une membrane (8) en elastomère s'étendant depuis la cloche (1) de soupape jusqu'à l'élément (4) d'équilibrage dont les extrémités (11, 12) d'assujetissement sont épaissies en forme de bourrelet et coopèrent avec des parties métalliques (13, 14), caractérisé en ce que les parties métalliques sont des bagues (13, 14) de serrage à section angulaire qui sont disposées mécaniquement dans les extrémités (11, 12) d'assujetissement de la membrane (8) de sorte que les bras axiaux de chacune des bagues (13, 14) de serrage exercent une contrainte radiale sur la couche d'élastomère se trouvant entre bagues (13, 14) de serrage et cloche (1) de soupape, respectivement élément (4) d'équilibrage, qu'au moins le bras radial de chacune des bagues (13, 14) de serrage présente une surface dépourvue d'élastomère du côté d'un outil (20) de montage et que les bagues (13, 14) de serrage présentent chacune une contre-dépouille (17) dans les extrémités d'assujetissement (11, 12) de la membrane (8) élastique, la contre-dépouille (17) coopérant avec les extrémités d'assujetisse- ment (11,12) de la membrane (8) élastique de telle sorte que les bagues de serrage (13, 14) ne peuvent ressortir par glissement axial.
2. Dispositif de rattrapage de jeu pour soupapes selon la revendication 1, caractérisé en ce que les extrémités d'assujetissement (11, 12) de la membrane (8) sont munies de lèvres d'étanchéité (18, 19) recourbées radialement dans la direction de l'élément (4) d'équilibrage.
3. Dispositif de rattrapage de jeu pour soupapes selon l'une quelconque des revendications 1 et 2, caractérisé en ce que la première bague de serrage (13) à section angulaire est munie d'un fond (16) en vue d'un appui axial de l'élément (4) d'équilibrage, le fond (16) étant repoussé dans la direction de l'élément d'équilibrage.
4. Dispositif de rattrapage de jeu pour soupapes selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la soconde bague de serrage (4) est pliée en U dans la zone de son extension (22) axiale, radialement extérieure et dans la direction de la cloche (1) de soupape.
5. Dispositif de rattrapage de jeu pour soupapes selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la zone repliée en U de la seconde bague de serrage (14) jouxte la cloche de soupape dans la zone de sa surfsce (9) périphérique intérieurs.
6. Dispositif de rattrapage de jeu pour soupapes selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la zone repliée en U de la seconde bague de serrage (14) pénètre dans une gorge complémentaire de la cloche (1) de soupape.
7. Dispositif de rattrapage de jeu pour soupapes selon l'une quelconque des revendications 1 à 6, caractérisé en ce que des saillies (23) séparées et disposées radialement à la périphérie intérieure de la cloche (1) de soupape sont prévues, saillies permettant, lors du montage, à la facon d'une rampe, un glissement et un verrouillage axial de la seconde bague de serrage (14).
8. Dispositif de rattrapage de jeu pour soupapes selon l'une quelconque des revendications 1 à 7, caractérisé en ce que des saillies (23) radiales sont disposées de facon à entourer la périphérie (9) intérieure de la cloche (1) de soupape.
EP86115780A 1986-02-13 1986-11-13 Dispositif de rattrapage de jeu Expired - Lifetime EP0232482B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86115780T ATE52835T1 (de) 1986-02-13 1986-11-13 Ventilspielausgleichseinrichtung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3604479 1986-02-13
DE3604479 1986-02-13
DE19863606824 DE3606824A1 (de) 1986-02-13 1986-03-03 Ventilspielausgleichseinrichtung
DE3606824 1986-03-03

Publications (2)

Publication Number Publication Date
EP0232482A1 EP0232482A1 (fr) 1987-08-19
EP0232482B1 true EP0232482B1 (fr) 1990-05-16

Family

ID=25840919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115780A Expired - Lifetime EP0232482B1 (fr) 1986-02-13 1986-11-13 Dispositif de rattrapage de jeu

Country Status (6)

Country Link
US (1) US4825824A (fr)
EP (1) EP0232482B1 (fr)
KR (1) KR880007901A (fr)
BR (1) BR8700662A (fr)
DE (2) DE3606824A1 (fr)
ES (1) ES2014405B3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3713680A1 (de) * 1987-04-24 1988-11-03 Goetze Ag Geschlossener hydraulischer tassenstoessel
DE4026793A1 (de) * 1990-08-24 1992-03-05 Freudenberg Carl Fa Hydraulisches ventilspielausgleichselement fuer brennkraftmaschinen
DE4203897C2 (de) * 1992-02-11 1994-01-27 Freudenberg Carl Fa Hydraulisches Ventilspielausgleichselement
DE19503469C1 (de) * 1995-02-03 1996-05-30 Freudenberg Carl Fa Dichtungsanordnung
DE102004030352A1 (de) * 2004-06-23 2006-01-19 Dr.Ing.H.C. F. Porsche Ag Brennkraftmaschine mit Druckumlaufschmierung nach dem Trockensumpfprinzip
CN111720185B (zh) * 2020-05-29 2021-09-17 东风汽车集团有限公司 一种气门间隙自动调节的挺柱、配气机构及发动机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517370A1 (de) * 1975-04-19 1976-10-28 Volkswagenwerk Ag Hydraulische spielausgleichsvorrichtung
JPS5543275A (en) * 1978-09-22 1980-03-27 Ntn Toyo Bearing Co Ltd Closed type automatic valve clearance controller
US4397271A (en) * 1981-03-02 1983-08-09 Stanadyne, Inc. Semi-self-contained hydraulic lash adjuster
DE3484823D1 (de) * 1983-12-07 1991-08-22 Eaton Corp Hydraulischer ventilstoessel.
US4688526A (en) * 1983-12-07 1987-08-25 Eaton Corporation Self-contained hydraulic bucket lifter
IT8467294A0 (it) * 1984-03-27 1984-03-27 Riv Officine Di Villar Perosa Punteria idraulica per il comando del moto di una valvola di un motore endotermico
IT1179734B (it) * 1984-07-16 1987-09-16 Riv Officine Di Villar Perosa Punteria idraulica a tenuta stagna per il comando del moto di una valvola di un motore endotermico
DE3511501A1 (de) * 1985-03-29 1986-10-09 Motomak Motorenbau, Maschinen- u. Werkzeugfabrik, Konstruktionen GmbH, 8070 Ingolstadt Hydraulischer tassenstoessel fuer verbrennungsmotoren
DE3513162A1 (de) * 1985-04-12 1986-10-16 Goetze Ag, 5093 Burscheid Ventilspielausgleichseinrichtung
DE3513161A1 (de) * 1985-04-12 1986-10-16 Goetze Ag, 5093 Burscheid Ventilspielausgleichseinrichtung
US4590899A (en) * 1985-05-17 1986-05-27 Stanadyne, Inc. Self-contained lash adjuster with shell mounted cartridge assembly

Also Published As

Publication number Publication date
KR880007901A (ko) 1988-08-29
DE3606824A1 (de) 1987-08-20
DE3671269D1 (de) 1990-06-21
ES2014405B3 (es) 1990-07-16
US4825824A (en) 1989-05-02
BR8700662A (pt) 1987-12-15
EP0232482A1 (fr) 1987-08-19

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