EP0274483A1 - Ventilsteuerung für eine hubkolben-brennkraftmaschine - Google Patents

Ventilsteuerung für eine hubkolben-brennkraftmaschine

Info

Publication number
EP0274483A1
EP0274483A1 EP87903246A EP87903246A EP0274483A1 EP 0274483 A1 EP0274483 A1 EP 0274483A1 EP 87903246 A EP87903246 A EP 87903246A EP 87903246 A EP87903246 A EP 87903246A EP 0274483 A1 EP0274483 A1 EP 0274483A1
Authority
EP
European Patent Office
Prior art keywords
valve
rocker arm
valve control
guide part
groove
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.)
Withdrawn
Application number
EP87903246A
Other languages
German (de)
English (en)
French (fr)
Inventor
Herbert Deutschmann
Karl Schier
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.)
Rolls Royce Solutions GmbH
Original Assignee
MTU Friedrichshafen GmbH
MTU Motoren und Turbinen Union Friedrichshafen 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 MTU Friedrichshafen GmbH, MTU Motoren und Turbinen Union Friedrichshafen GmbH filed Critical MTU Friedrichshafen GmbH
Publication of EP0274483A1 publication Critical patent/EP0274483A1/de
Withdrawn legal-status Critical Current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
    • 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
    • F01L2307/00—Preventing the rotation of tappets
    • 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
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • 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
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis

Definitions

  • the invention relates to a valve control for a reciprocating piston internal combustion engine according to the preamble of claim 1. With this arrangement, actuation of the valves free of shear force is to be achieved.
  • Figure 1 cross section of a cylinder head in the region of a pair of valves.
  • FIG. 2 partial section along the line II-II in Fig. 1. ⁇
  • valve control for two valves 12, 13 is arranged, which are actuated together by a rocker arm 14.
  • rocker arm 14 is moved by a bumper 15.
  • the movement of the rocker arm 16 on the valve side is transmitted by a pressure piece 17 to a crossmember 18, which in turn interacts with the shaft ends of the valves 12, 13 via pressure pieces 19, 20.
  • the cross member 18 is guided parallel to the valve axes on a cylindrical bolt 21 fastened in the cylinder head 11.
  • the device for securing against rotation consists in the formation of a groove 22 at one end the traverse 18 outside the valve axes, which slidably engages over a guide part 23 arranged on the rocker arm 14.
  • the guide part 23 arranged in the area of the rocker arm hub which in the example consists of a molded rib, extends so far parallel to the valve axes in the direction of movement of the cross member 18 that an overlap between the groove 22 and the guide part 23 is ensured in all operating positions of the cross member 18.
  • the device for securing against rotation is at a greater distance from the guide axis of the crossmember 18 - the axis of the bolt 21 - than the pressure pieces 19, 20.
  • the possible swivel angle of the crossmember 18 resulting from the lateral play between the groove 22 and the guide part 23 results in the pressure pieces 19 , 20 a smaller lateral offset with respect to the valve axes than the dimension of the lateral play between groove 22 and guide part 23 corresponds.
  • the device for securing the cross member 18 against rotation can advantageously also be arranged such that it is effective between the cross member 18 and an adjacent housing wall 24.
  • a guide part 23 ' can be arranged on the corresponding housing wall 24 and the associated groove 22' at the other end of the crossmember 18, see dash-dotted representation in Fig. 1st

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
EP87903246A 1986-07-21 1987-05-21 Ventilsteuerung für eine hubkolben-brennkraftmaschine Withdrawn EP0274483A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863624612 DE3624612A1 (de) 1986-07-21 1986-07-21 Ventilsteuerung fuer eine hubkolben-brennkraftmaschine
DE3624612 1986-07-21

Publications (1)

Publication Number Publication Date
EP0274483A1 true EP0274483A1 (de) 1988-07-20

Family

ID=6305633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87903246A Withdrawn EP0274483A1 (de) 1986-07-21 1987-05-21 Ventilsteuerung für eine hubkolben-brennkraftmaschine

Country Status (6)

Country Link
EP (1) EP0274483A1 (enrdf_load_stackoverflow)
JP (1) JPS63502683A (enrdf_load_stackoverflow)
CN (1) CN87104987A (enrdf_load_stackoverflow)
DE (1) DE3624612A1 (enrdf_load_stackoverflow)
ES (1) ES2005617A6 (enrdf_load_stackoverflow)
WO (1) WO1988000644A1 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633663B1 (fr) * 1988-06-30 1993-08-06 Inst Francais Du Petrole Systeme d'immobilisation en rotation d'une soupape
DE4404378C2 (de) * 1993-02-20 2001-03-08 Volkswagen Ag Ventilanordnung mit mehreren parallelachsigen Hubventilen und einer diesen gemeinsamen Betätigungsvorrictung
DE4410122C2 (de) * 1994-03-24 2003-05-08 Ina Schaeffler Kg Verbindung einer Führungsschiene einer Ventilbetätigungseinrichtung mit einem Nockenwellenlager
DE19539842A1 (de) * 1995-10-26 1997-04-30 Schaeffler Waelzlager Kg Einrichtung zur gleichzeitigen Betätigung von mindestens zwei Gaswechselventilen
SE528784C2 (sv) * 2005-06-07 2007-02-13 Scania Cv Abp Anordning för överföring av rörelse från en vipparm till en ventilinrättning hos en förbränningsmotor och en förbränningsmotor innefattande en sådan anordning
JP4540116B2 (ja) * 2006-02-13 2010-09-08 Ｕｄトラックス株式会社 動弁機構
US7523729B2 (en) * 2007-02-13 2009-04-28 Gm Global Technology Operations, Inc. Rocker assembly with adjustable swivel foot
US8006661B2 (en) * 2009-08-04 2011-08-30 International Engine Intellectual Property Company, Llc Bridge and pivot foot arrangement for operating engine cylinder valves
CN102022151B (zh) * 2010-12-29 2012-07-04 潍柴动力扬州柴油机有限责任公司 发动机气门驱动机构的气门桥

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB454761A (en) * 1936-02-25 1936-10-07 Joseph Maina Improvements in or relating to valve mechanisms for internal combustion engines
AT258041B (de) * 1965-06-11 1967-11-10 H C Hans Dipl Ing Dr Dr List Ventilantrieb für eine Brennkraftmaschine
DE1906882A1 (de) * 1969-02-12 1970-09-03 Kloeckner Humboldt Deutz Ag Vorrichtung zur Betaetigung mehrerer Ventile bei Hubkolbenbrennkraftmaschinen
GB1298496A (en) * 1970-07-16 1972-12-06 English Electric Diesels Ltd Improvements in and relating to internal combustion engine valve gear
DE2055665A1 (de) * 1970-11-12 1972-05-18 Süddeutsche Bremsen-AG, 8000 München Vorrichtung zur Betätigung paarweise angeordneter Ventile von Verbrennungskraftmaschinen
JPS4726732U (enrdf_load_stackoverflow) * 1971-04-12 1972-11-27
JPS4812802U (enrdf_load_stackoverflow) * 1971-06-22 1973-02-13
FR2553823B3 (fr) * 1983-10-25 1986-01-03 Renault Poussoir de soupape pour moteurs a combustion interne et arbres a cames en tete
IT1182480B (it) * 1985-07-02 1987-10-05 Fiat Auto Spa Sistema di punteria per motori a combustione interna provvisti di alberi con camme a profilo variabile

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8800644A1 *

Also Published As

Publication number Publication date
WO1988000644A1 (en) 1988-01-28
DE3624612A1 (de) 1988-02-04
CN87104987A (zh) 1988-02-03
ES2005617A6 (es) 1989-03-16
DE3624612C2 (enrdf_load_stackoverflow) 1988-09-22
JPS63502683A (ja) 1988-10-06

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19880317

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT CH DE FR GB IT LI

GBC Gb: translation of claims filed (gb section 78(7)/1977)
EL Fr: translation of claims filed
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19891201