EP1350928A3 - Appareil pour actionnement variable d'une soupape d'un moteur à combustion interne - Google Patents

Appareil pour actionnement variable d'une soupape d'un moteur à combustion interne Download PDF

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Publication number
EP1350928A3
EP1350928A3 EP03007234A EP03007234A EP1350928A3 EP 1350928 A3 EP1350928 A3 EP 1350928A3 EP 03007234 A EP03007234 A EP 03007234A EP 03007234 A EP03007234 A EP 03007234A EP 1350928 A3 EP1350928 A3 EP 1350928A3
Authority
EP
European Patent Office
Prior art keywords
lift
valve
sense
linear cam
counter
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.)
Granted
Application number
EP03007234A
Other languages
German (de)
English (en)
Other versions
EP1350928A2 (fr
EP1350928B1 (fr
Inventor
Willi Roth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1350928A2 publication Critical patent/EP1350928A2/fr
Publication of EP1350928A3 publication Critical patent/EP1350928A3/fr
Application granted granted Critical
Publication of EP1350928B1 publication Critical patent/EP1350928B1/fr
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
    • F01L1/20—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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • 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
    • F01L13/0005—Deactivating valves
    • 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
    • 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
EP03007234A 2002-04-06 2003-04-01 Appareil pour actionnement variable d'une soupape d'un moteur à combustion interne Expired - Lifetime EP1350928B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10215281A DE10215281A1 (de) 2002-04-06 2002-04-06 Vorrichtung zum stufenlosen Variieren der Ventilerhebung in Verbrennungsmotoren
DE10215281 2002-04-06

Publications (3)

Publication Number Publication Date
EP1350928A2 EP1350928A2 (fr) 2003-10-08
EP1350928A3 true EP1350928A3 (fr) 2003-12-10
EP1350928B1 EP1350928B1 (fr) 2006-09-27

Family

ID=27816181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03007234A Expired - Lifetime EP1350928B1 (fr) 2002-04-06 2003-04-01 Appareil pour actionnement variable d'une soupape d'un moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP1350928B1 (fr)
DE (2) DE10215281A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10261304B4 (de) * 2002-12-27 2009-01-22 BÖSL-FLIERL, Gerlinde Ventilhubvorrichtung zur variablen Ventilsteuerung der Gaswechselventile einer Verbrennungskraftmaschine
DE10303128A1 (de) * 2003-01-28 2004-07-29 Fev Motorentechnik Gmbh Vollvariabler mechanischer Ventiltrieb für eine Kolbenbrennkraftmaschine mit justierbarem Ventilspielausgleich
DE102005035315B4 (de) * 2005-07-28 2007-05-10 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Variabler Ventiltrieb für Verbrennungskraftmaschinen
JP2007127117A (ja) * 2005-10-04 2007-05-24 Masaaki Yoshikawa ４ストローク内燃機関の動弁系装置
US7363893B2 (en) * 2005-12-05 2008-04-29 Delphi Technologies, Inc. System for variable valvetrain actuation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911879A (en) * 1973-07-13 1975-10-14 Daimler Benz Ag Valve adjustment mechanism for internal combustion engine
US4205634A (en) * 1978-02-17 1980-06-03 Tourtelot Edward M Jr Variable valve timing mechanism
US4459946A (en) * 1982-05-17 1984-07-17 Investment Rarities, Incorporated Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
US4469056A (en) * 1983-02-22 1984-09-04 Tourtelot Jr Edward M Dual follower variable valve timing mechanism
US5027760A (en) * 1988-01-19 1991-07-02 Franco Storchi Variable timing system for engine valve operating gear
US5119773A (en) * 1988-10-01 1992-06-09 Peter Kuhn Apparatus for operating the valves on internal combustion engines with a variable valve lift curve
DE4135257A1 (de) * 1991-10-25 1993-04-29 Peter Prof Dr Ing Kuhn Vorrichtung zur betaetigung der ventile in verbrennungsmotoren mittels umlaufender nocken
DE4326331A1 (de) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Ventiltrieb einer Brennkraftmaschine
DE10040544A1 (de) * 2000-08-18 2002-02-28 Schaeffler Waelzlager Ohg Variabler Ventiltrieb zur Laststeuerung einer fremdgezündeten Brennkraftmaschine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911879A (en) * 1973-07-13 1975-10-14 Daimler Benz Ag Valve adjustment mechanism for internal combustion engine
US4205634A (en) * 1978-02-17 1980-06-03 Tourtelot Edward M Jr Variable valve timing mechanism
US4459946A (en) * 1982-05-17 1984-07-17 Investment Rarities, Incorporated Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
US4469056A (en) * 1983-02-22 1984-09-04 Tourtelot Jr Edward M Dual follower variable valve timing mechanism
US5027760A (en) * 1988-01-19 1991-07-02 Franco Storchi Variable timing system for engine valve operating gear
US5119773A (en) * 1988-10-01 1992-06-09 Peter Kuhn Apparatus for operating the valves on internal combustion engines with a variable valve lift curve
DE4135257A1 (de) * 1991-10-25 1993-04-29 Peter Prof Dr Ing Kuhn Vorrichtung zur betaetigung der ventile in verbrennungsmotoren mittels umlaufender nocken
DE4326331A1 (de) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Ventiltrieb einer Brennkraftmaschine
DE10040544A1 (de) * 2000-08-18 2002-02-28 Schaeffler Waelzlager Ohg Variabler Ventiltrieb zur Laststeuerung einer fremdgezündeten Brennkraftmaschine

Also Published As

Publication number Publication date
DE10215281A1 (de) 2003-10-16
DE50305150D1 (de) 2006-11-09
EP1350928A2 (fr) 2003-10-08
EP1350928B1 (fr) 2006-09-27

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