EP1375832A3 - Method for adjusting the actuators linked to valve drive in an internal combustion engine - Google Patents

Method for adjusting the actuators linked to valve drive in an internal combustion engine Download PDF

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Publication number
EP1375832A3
EP1375832A3 EP03007251A EP03007251A EP1375832A3 EP 1375832 A3 EP1375832 A3 EP 1375832A3 EP 03007251 A EP03007251 A EP 03007251A EP 03007251 A EP03007251 A EP 03007251A EP 1375832 A3 EP1375832 A3 EP 1375832A3
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
adjusting
actuators
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.)
Granted
Application number
EP03007251A
Other languages
German (de)
French (fr)
Other versions
EP1375832B1 (en
EP1375832A2 (en
Inventor
Ernst Wild
Werner Mezger
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1375832A2 publication Critical patent/EP1375832A2/en
Publication of EP1375832A3 publication Critical patent/EP1375832A3/en
Application granted granted Critical
Publication of EP1375832B1 publication Critical patent/EP1375832B1/en
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
    • 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
    • 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
    • F01L1/022—Chain drive
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • 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
    • F01L2760/00—Control of valve gear to facilitate reversing, starting, braking of four stroke engines
    • F01L2760/001—Control of valve gear to facilitate reversing, starting, braking of four stroke engines for starting four stroke engines
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism

Abstract

Die vorliegende Erfindung betrifft ein Verfahren zum Verstellen von dem Ventiltrieb einer Brennkraftmaschine zugeordneten Stellern, eine Speichereinrichtung mit einem Computerprogramm zur Durchführung eines solchen Verfahrens sowie ein Kraftfahrzeug mit einer Brennkraftmaschine.The present invention relates to a method for adjusting actuators associated with the valve train of an internal combustion engine, a memory device having a computer program for carrying out such a method, and a motor vehicle having an internal combustion engine.

Ein erfindungsgemäßes Verfahren zum Verstellen von Stellern des Ventiltriebs einer Brennkraftmaschine mit wenigstens zwei Steller, findet insbesondere bei Brennkraftmaschinen von Kraftfahrzeugen Verwendung. Den verstellbaren Elementen des Ventiltriebs ist jeweils ein Steller zugeordnet. Dieser wird zur Durchführung von Stellvorgängen von einer Fremdkraftquelle mit Energie versorgt. Die Stellvorgänge dienen dem Einsteuern einer vorgegebenen Sollstellung bezüglich einer Referenzposition. Gemäß der Erfindung wird die von der Fremdkraftquelle bereitgestellte Energie erfasst. Sollen mehrere Stellvorgänge zugleich durchgeführt werden, wird überprüft, ob die bereitgestellte Energie ausreicht, die Stellvorgänge gleichzeitig, also parallel zueinander durchzuführen. Ist dies nicht der Fall, so werden gemäß der Erfindung Stellvorgänge zu einer späteren Ausführung zurückgestellt.

Figure imgaf001
A method according to the invention for adjusting actuators of the valve train of an internal combustion engine having at least two actuators is used in particular in internal combustion engines of motor vehicles. The adjustable elements of the valve train is assigned a respective actuator. This is supplied to perform settlements of a foreign power source with energy. The adjusting operations are used to control a predetermined desired position with respect to a reference position. According to the invention, the energy provided by the power source is detected. If several setting processes are to be carried out at the same time, it is checked whether the energy provided is sufficient to carry out the setting processes simultaneously, ie in parallel to one another. If this is not the case, positioning operations are postponed to a later embodiment according to the invention.
Figure imgaf001
EP20030007251 2002-06-28 2003-03-31 Method for adjusting the actuators linked to valve drive in an internal combustion engine Expired - Lifetime EP1375832B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10229197 2002-06-28
DE2002129197 DE10229197A1 (en) 2002-06-28 2002-06-28 Method for adjusting points assigned to the valve train of an internal combustion engine

Publications (3)

Publication Number Publication Date
EP1375832A2 EP1375832A2 (en) 2004-01-02
EP1375832A3 true EP1375832A3 (en) 2007-10-17
EP1375832B1 EP1375832B1 (en) 2009-10-21

Family

ID=29716720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030007251 Expired - Lifetime EP1375832B1 (en) 2002-06-28 2003-03-31 Method for adjusting the actuators linked to valve drive in an internal combustion engine

Country Status (2)

Country Link
EP (1) EP1375832B1 (en)
DE (2) DE10229197A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112005003407A5 (en) 2004-11-16 2007-10-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Method for adjusting the rotational angle position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195737A (en) * 1992-01-16 1993-08-03 Suzuki Motor Corp Variable valve timing lift device of four-cycle engine
US6230675B1 (en) * 1999-05-19 2001-05-15 Honda Giken Kogyo Kabushiki Kaisha Intake valve lift control system
US20020062816A1 (en) * 2000-11-28 2002-05-30 Mitsubishi Denki Kabushiki Kaisha Valve timing control system for internal combustion engine
US6397803B1 (en) * 2001-02-22 2002-06-04 Mitsubishi Denki Kabushiki Kaisha Valve timing control system for internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195737A (en) * 1992-01-16 1993-08-03 Suzuki Motor Corp Variable valve timing lift device of four-cycle engine
US6230675B1 (en) * 1999-05-19 2001-05-15 Honda Giken Kogyo Kabushiki Kaisha Intake valve lift control system
US20020062816A1 (en) * 2000-11-28 2002-05-30 Mitsubishi Denki Kabushiki Kaisha Valve timing control system for internal combustion engine
US6397803B1 (en) * 2001-02-22 2002-06-04 Mitsubishi Denki Kabushiki Kaisha Valve timing control system for internal combustion engine

Also Published As

Publication number Publication date
EP1375832B1 (en) 2009-10-21
EP1375832A2 (en) 2004-01-02
DE50312041D1 (en) 2009-12-03
DE10229197A1 (en) 2004-01-15

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