ATE270382T1 - METHOD FOR ADJUSTING CAMSHAFTS IN AN INTERNAL COMBUSTION ENGINE - Google Patents

METHOD FOR ADJUSTING CAMSHAFTS IN AN INTERNAL COMBUSTION ENGINE

Info

Publication number
ATE270382T1
ATE270382T1 AT00119893T AT00119893T ATE270382T1 AT E270382 T1 ATE270382 T1 AT E270382T1 AT 00119893 T AT00119893 T AT 00119893T AT 00119893 T AT00119893 T AT 00119893T AT E270382 T1 ATE270382 T1 AT E270382T1
Authority
AT
Austria
Prior art keywords
combustion engine
internal combustion
valve
angle
comparison
Prior art date
Application number
AT00119893T
Other languages
German (de)
Inventor
Hanno Dipl-Ing Jelden
Matthias Schultalbers
Michael Schnaubelt
Andreas Sprysch
Original Assignee
Volkswagen 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 Volkswagen Ag filed Critical Volkswagen Ag
Application granted granted Critical
Publication of ATE270382T1 publication Critical patent/ATE270382T1/en

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
    • F01L1/02—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
    • F01L1/34—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
    • F01L1/344—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • 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
    • F01L1/344—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control 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
    • F01L2201/00—Electronic control systems; Apparatus or methods therefor
    • 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
    • F01L2800/05—Timing control under consideration of oil condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

The camshaft position is adjusted by an actuator controlled by a controller and proportional valve. From a comparison of an actual (wnwise) and desired angle a manipulated variable in the form of a pulse duty factor for the valve is determined. Before the comparison a predicted angle (wnwpe) is added to the actual shaft angle the sum corresponding to the final shaft angle. This is reached after changing the duty factor to the holding value until the valve has completely closed i.e. for the period (znwve).
AT00119893T 1999-09-25 2000-09-13 METHOD FOR ADJUSTING CAMSHAFTS IN AN INTERNAL COMBUSTION ENGINE ATE270382T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19946077A DE19946077A1 (en) 1999-09-25 1999-09-25 Process for regulating the position of a camshaft and arrangement for carrying out the process

Publications (1)

Publication Number Publication Date
ATE270382T1 true ATE270382T1 (en) 2004-07-15

Family

ID=7923341

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00119893T ATE270382T1 (en) 1999-09-25 2000-09-13 METHOD FOR ADJUSTING CAMSHAFTS IN AN INTERNAL COMBUSTION ENGINE

Country Status (3)

Country Link
EP (1) EP1087106B1 (en)
AT (1) ATE270382T1 (en)
DE (2) DE19946077A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6810843B2 (en) * 2002-06-17 2004-11-02 Borgwarner Inc. Control method for achieving expected VCT actuation rate using set point rate limiter
DE10307307B4 (en) 2003-02-20 2005-09-22 Siemens Ag Method for controlling an internal combustion engine
DE10312840B4 (en) * 2003-03-21 2016-03-24 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Adaptive controller and method for determining its parameters
JP4147490B2 (en) 2004-07-28 2008-09-10 アイシン精機株式会社 Valve timing control device
DE102006011189A1 (en) * 2006-03-10 2007-09-13 Bayerische Motoren Werke Ag Method for determining bearing play of an internal combustion engine
JP2009041413A (en) * 2007-08-08 2009-02-26 Hitachi Ltd Control device for oil control valve
AT10301U3 (en) * 2008-09-01 2009-09-15 Avl List Gmbh METHOD AND REGULATION FOR REGULATING A REGULAR TRACK WITH A RECYCLING WORKING CYCLE
DE102011002910A1 (en) * 2011-01-20 2012-07-26 Schaeffler Technologies Gmbh & Co. Kg Valve control system
DE102013221638A1 (en) * 2013-10-24 2015-04-30 Volkswagen Aktiengesellschaft Camshaft arrangement of a Hubkolbenrennkraftmaschine and reciprocating internal combustion engine with such a camshaft assembly
DE102015215813A1 (en) 2015-08-19 2017-02-23 Volkswagen Aktiengesellschaft Prediction of the phase angle of a camshaft
DE102019218869B3 (en) * 2019-12-04 2021-03-04 Volkswagen Aktiengesellschaft Prediction of the opening and closing times of the gas exchange valves taking into account the dynamics of the camshaft adjuster

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4127327A1 (en) * 1991-02-20 1993-02-25 Teves Gmbh Alfred Vehicle hydraulic system with directly driven pump
US5289805A (en) * 1992-03-05 1994-03-01 Borg-Warner Automotive Transmission & Engine Components Corporation Self-calibrating variable camshaft timing system
DE4317527B4 (en) * 1992-06-01 2007-11-29 Schaeffler Kg Method for automatic, continuous angle adjustment between a crankshaft and a camshaft
JP3776463B2 (en) * 1992-11-30 2006-05-17 株式会社デンソー Valve operation timing control device for internal combustion engine
DE4306509C1 (en) * 1993-03-03 1994-03-03 Bayerische Motoren Werke Ag Cam shaft adjusting method for IC engine - using pick=up to ascertain relative rotational torque w.r.t. crankshaft and derive instantaneous actual position
JPH06280516A (en) * 1993-03-25 1994-10-04 Nippondenso Co Ltd Valve operation timing adjustment device in an internal combustion engine
JPH0754620A (en) * 1993-06-16 1995-02-28 Robert Bosch Gmbh Method and equipment for adjusting angular position of camshaft
EP1058774B1 (en) * 1998-02-27 2003-05-02 Bayerische Motoren Werke Aktiengesellschaft Device for adjusting the movement path of the gas shuttle valve of an internal combustion engine
US6234125B1 (en) * 1998-03-30 2001-05-22 Aft Atlas Fahrzeugtechnik Gmbh Apparatus for angular adjustment of camshafts relative to crankshafts in combustion engines

Also Published As

Publication number Publication date
EP1087106A2 (en) 2001-03-28
DE19946077A1 (en) 2001-04-19
EP1087106A3 (en) 2002-12-18
DE50006940D1 (en) 2004-08-05
EP1087106B1 (en) 2004-06-30

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee