EP1854966B1 - Tête de cylindre pour un moteur à combustion interne à allumage commandé - Google Patents

Tête de cylindre pour un moteur à combustion interne à allumage commandé Download PDF

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Publication number
EP1854966B1
EP1854966B1 EP07006933.1A EP07006933A EP1854966B1 EP 1854966 B1 EP1854966 B1 EP 1854966B1 EP 07006933 A EP07006933 A EP 07006933A EP 1854966 B1 EP1854966 B1 EP 1854966B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
combustion engine
fuel injector
valves
valve train
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.)
Active
Application number
EP07006933.1A
Other languages
German (de)
English (en)
Other versions
EP1854966A1 (fr
Inventor
Johannes Meyer
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 EP1854966A1 publication Critical patent/EP1854966A1/fr
Application granted granted Critical
Publication of EP1854966B1 publication Critical patent/EP1854966B1/fr
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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
    • 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
    • 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
    • F02F1/242—Arrangement of spark plugs or injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/06—Fuel-injectors combined or associated with other devices the devices being sparking plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/045—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the combustion chamber
    • 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
    • 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
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (3)

  1. Culasse (1) destinée à un moteur à combustion interne à allumage externe avec injection directe de carburant dans un cylindre du moteur, pour lequel il est prévu deux soupapes d'admission (2, 2') et deux soupapes d'échappement (3, 3') dans la culasse (1), et un injecteur de carburant (4) étant monté côté admission entre les soupapes d'admission (2, 2') et un dispositif d'allumage (5) étant monté côté échappement entre les soupapes d'échappement (3, 3'),
    caractérisée en ce que
    le mécanisme de commande de soupape (7) côté d'admission a, en direction du mécanisme de commande de soupape (8) côté échappement un plus grand volume d'encombrement que ce mécanisme (8) dans ce plus grand volume est monté un arbre de réglage (10) parallèlement à l'arbre à came (9), et le mécanisme de commande de soupape (7) côté admission est un mécanisme de commande à course variable, l'injecteur de carburant (4) et le dispositif d'allumage (5) étant montés dans une douille (6) commune pouvant être montée entre les soupapes (2, 2', 3, 3') dans la culasse (1) et la douille (6) comportant, côté admission, un étranglement (11) dans la zone de l'arbre de réglage (10).
  2. Culasse conforme à la revendication 1,
    caractérisée en ce que
    l'injecteur de carburant (4) est monté largement au-dessous de l'étranglement (11).
  3. Culasse conforme à l'une des revendications 1 et 2,
    caractérisée en ce que
    la douille (6) est réalisée en un matériau synthétique ou en un métal.
EP07006933.1A 2006-05-13 2007-04-03 Tête de cylindre pour un moteur à combustion interne à allumage commandé Active EP1854966B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006022489A DE102006022489A1 (de) 2006-05-13 2006-05-13 Zylinderkopf für eine fremdgezündete Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP1854966A1 EP1854966A1 (fr) 2007-11-14
EP1854966B1 true EP1854966B1 (fr) 2018-01-24

Family

ID=38476915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07006933.1A Active EP1854966B1 (fr) 2006-05-13 2007-04-03 Tête de cylindre pour un moteur à combustion interne à allumage commandé

Country Status (2)

Country Link
EP (1) EP1854966B1 (fr)
DE (1) DE102006022489A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007062347B4 (de) 2007-12-22 2024-02-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kühlanordnung für einen Zylinderkopf einer Brennkraftmaschine
KR100969074B1 (ko) 2008-04-14 2010-07-09 현대자동차주식회사 연속 가변 밸브 리프트 장치
DE102011082227A1 (de) 2011-09-07 2013-03-07 Bayerische Motoren Werke Aktiengesellschaft Kulisse für einen hubvariablen Ventiltrieb in einem Zylinderkopf einer Brennkraftmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311327B (en) * 1996-03-19 1999-05-05 Fluids Res Ltd Ignition apparatus
DE19638024A1 (de) * 1996-09-18 1998-03-19 Bosch Gmbh Robert Brennkraftmaschine
DE10261163A1 (de) * 2002-12-20 2004-07-08 Volkswagen Ag Variabler Ventiltrieb eines Verbrennungsmotors
DE102004020623A1 (de) * 2004-04-27 2005-12-01 Ina-Schaeffler Kg Variable mechanische Ventiltriebsteuerung mit Verstelleinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102006022489A1 (de) 2007-11-22
EP1854966A1 (fr) 2007-11-14

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