ATE388306T1 - Ventiltrieb für eine brennkraftmaschine - Google Patents

Ventiltrieb für eine brennkraftmaschine

Info

Publication number
ATE388306T1
ATE388306T1 AT02769980T AT02769980T ATE388306T1 AT E388306 T1 ATE388306 T1 AT E388306T1 AT 02769980 T AT02769980 T AT 02769980T AT 02769980 T AT02769980 T AT 02769980T AT E388306 T1 ATE388306 T1 AT E388306T1
Authority
AT
Austria
Prior art keywords
inlet
outlet
valve
valves
lift
Prior art date
Application number
AT02769980T
Other languages
English (en)
Inventor
Armin Josenhans
Dietmar Schwarzenthal
Leo Spiegel
Original Assignee
Porsche 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
Priority claimed from DE10212327A external-priority patent/DE10212327A1/de
Application filed by Porsche Ag filed Critical Porsche Ag
Application granted granted Critical
Publication of ATE388306T1 publication Critical patent/ATE388306T1/de

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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
    • 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
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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
    • F01L1/267—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 with means for varying the timing or the lift of the 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
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • 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
    • F01L2307/00—Preventing the rotation of tappets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
AT02769980T 2001-09-11 2002-08-22 Ventiltrieb für eine brennkraftmaschine ATE388306T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10144712 2001-09-11
DE10212327A DE10212327A1 (de) 2001-09-11 2002-03-20 Ventiltrieb für eine Brennkraftmaschine

Publications (1)

Publication Number Publication Date
ATE388306T1 true ATE388306T1 (de) 2008-03-15

Family

ID=26010112

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02769980T ATE388306T1 (de) 2001-09-11 2002-08-22 Ventiltrieb für eine brennkraftmaschine

Country Status (5)

Country Link
EP (1) EP1427918B1 (de)
JP (1) JP2005502808A (de)
AT (1) ATE388306T1 (de)
DE (1) DE50211849D1 (de)
WO (1) WO2003023197A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7814873B2 (en) * 2005-09-27 2010-10-19 Toyota Jidosha Kabushiki Kaisha Variable valve operating device and valve opening amount adjustment method
WO2014165384A1 (en) * 2013-04-02 2014-10-09 Eaton Corporation Oil control valve system for valve actuation switching
KR101684559B1 (ko) 2015-12-11 2016-12-08 현대자동차 주식회사 연속 가변 밸브 타이밍 장치와 연속 가변 밸브 듀레이션 장치를 구비한 엔진
GB2552500B (en) 2016-07-26 2019-11-06 Jaguar Land Rover Ltd Controlling intake valves in an internal combustion engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1308977C (en) 1986-08-27 1992-10-20 Tsuneo Konno Valve operating device for internal combustion engine
US5431133A (en) * 1994-05-31 1995-07-11 General Motors Corporation Low mass two-step valve lifter
DE19528505A1 (de) 1995-08-03 1997-02-06 Schaeffler Waelzlager Kg Vorrichtung zur wahlweisen Betätigung zumindest eines Gaswechselventils
DE19601587A1 (de) 1996-01-18 1997-07-24 Schaeffler Waelzlager Kg Stößel für einen Ventiltrieb einer Brennkraftmaschine
DE19602013C2 (de) * 1996-01-20 2003-10-30 Ina Schaeffler Kg Zylinderkopf einer Brennkraftmaschine mit einem auf unterschiedliche Ventilhübe schaltbaren Ventiltrieb
DE19606054C2 (de) 1996-02-19 1998-07-30 Porsche Ag Ventiltrieb einer Brennkraftmaschine
DE19630192C2 (de) 1996-07-26 1998-05-28 Porsche Ag Zylinderkopfanordnung einer Brennkraftmaschine
DE19834843A1 (de) 1998-08-01 2000-02-03 Porsche Ag Einrichtung zur relativen Drehlagenänderung einer Welle zum Antriebsrad

Also Published As

Publication number Publication date
WO2003023197A1 (de) 2003-03-20
DE50211849D1 (de) 2008-04-17
JP2005502808A (ja) 2005-01-27
EP1427918A1 (de) 2004-06-16
EP1427918B1 (de) 2008-03-05

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Legal Events

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