DE502004008185D1 - Valve train for an internal combustion engine - Google Patents

Valve train for an internal combustion engine

Info

Publication number
DE502004008185D1
DE502004008185D1 DE502004008185T DE502004008185T DE502004008185D1 DE 502004008185 D1 DE502004008185 D1 DE 502004008185D1 DE 502004008185 T DE502004008185 T DE 502004008185T DE 502004008185 T DE502004008185 T DE 502004008185T DE 502004008185 D1 DE502004008185 D1 DE 502004008185D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
valve train
train
valve
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.)
Expired - Lifetime
Application number
DE502004008185T
Other languages
German (de)
Inventor
Willi Schultz
Frank Ickinger
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF 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
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of DE502004008185D1 publication Critical patent/DE502004008185D1/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
    • 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
    • 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
    • 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
    • F01L2013/0052—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 with cams provided on an axially slidable sleeve
    • 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)
  • Valve Device For Special Equipments (AREA)
DE502004008185T 2003-07-19 2004-05-03 Valve train for an internal combustion engine Expired - Lifetime DE502004008185D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10332927 2003-07-19

Publications (1)

Publication Number Publication Date
DE502004008185D1 true DE502004008185D1 (en) 2008-11-20

Family

ID=33521405

Family Applications (1)

Application Number Title Priority Date Filing Date
DE502004008185T Expired - Lifetime DE502004008185D1 (en) 2003-07-19 2004-05-03 Valve train for an internal combustion engine

Country Status (4)

Country Link
US (1) US20050011480A1 (en)
EP (1) EP1503048B1 (en)
JP (1) JP4088276B2 (en)
DE (1) DE502004008185D1 (en)

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DE102004024219B4 (en) * 2004-05-15 2019-01-31 Audi Ag Valve gear of an internal combustion engine
DE102005003079B4 (en) * 2005-01-22 2014-12-31 Audi Ag Internal combustion engine with a valve train
DE102005033018A1 (en) 2005-07-15 2007-01-25 Schaeffler Kg Valve train for an internal combustion engine
DE102007022145A1 (en) * 2006-07-26 2008-01-31 Schaeffler Kg Reversible valve train of an internal combustion engine
DE102007010151A1 (en) * 2007-03-02 2008-04-24 Audi Ag Valve drive of internal combustion engine, has camshaft, which is supported in housing of internal combustion engine in rotating manner, and cam support in torque proof manner and axially moved on camshaft
DE102007010148A1 (en) * 2007-03-02 2008-09-04 Audi Ag Valve gear for internal combustion engine, includes bearing which can be slid along cam shaft with cam carriers, relative to engine casing
DE102007010150A1 (en) * 2007-03-02 2008-09-04 Audi Ag Valve drive for gas exchange valves has locking device fixed in position in housing of internal combustion engine
DE102007010157A1 (en) * 2007-03-02 2008-06-26 Audi Ag Valve e.g. inlet valve, drive for internal-combustion engine, has contact pins or connecting link units arranged laterally from cam shaft in housing of internal-combustion engine and movable in axial direction of cam shaft
DE102007010149A1 (en) * 2007-03-02 2008-09-04 Audi Ag Automotive piston engine gas valve timer has right- and left-handed grooves are located immediately alongside and translating into each other
DE102007010154A1 (en) * 2007-03-02 2008-06-26 Audi Ag Valve drive for internal-combustion engine, has actuator movable together with cam carrier to camshaft, and curve connecting unit fixedly arranged in housing of engine, where cam carrier is axially movably guided to camshaft
DE102007010156A1 (en) * 2007-03-02 2008-09-04 Audi Ag Valve drive unit for a combustion engine comprises an adjusting unit having interacting elements which interact alternately with a curved connecting part
DE102007037232A1 (en) * 2007-08-07 2009-02-12 Eto Magnetic Gmbh Device for adjusting the camshaft of an internal combustion engine
CN101132403B (en) 2007-08-08 2012-09-05 华为技术有限公司 Business authorization method and its server
DE102007037745A1 (en) 2007-08-10 2009-02-12 Daimler Ag combustion engine valve
DE102007042932B4 (en) 2007-09-08 2022-11-10 Mercedes-Benz Group AG Internal combustion engine valve train switching device
DE102007051739A1 (en) * 2007-10-30 2009-05-07 Schaeffler Kg Valve gear of an internal combustion engine
DE102007052254B4 (en) * 2007-11-02 2021-02-04 Daimler Ag Valvetrain device
DE102007052253B4 (en) * 2007-11-02 2023-07-06 Mercedes-Benz Group AG valve train device
DE102007054978B4 (en) * 2007-11-17 2023-12-14 Mercedes-Benz Group AG Valve drive device
DE102007056337A1 (en) * 2007-11-22 2009-05-28 Daimler Ag Valve drive device
DE102008028513A1 (en) 2008-06-16 2009-12-24 Audi Ag Valve operation for gas exchange valves of an internal combustion engine with double-supported cam carriers
DE102008029325A1 (en) * 2008-06-20 2009-12-24 Daimler Ag Valve drive device
DE102008035935A1 (en) * 2008-07-31 2010-02-11 Audi Ag Toothed shaft connection and valve drive with toothed shaft connection between a camshaft and displaceable cam carriers
DE202009010495U1 (en) * 2008-08-01 2009-12-17 Eto Magnetic Gmbh Electromagnetic actuator
JP5153562B2 (en) * 2008-10-16 2013-02-27 株式会社オティックス Variable valve mechanism
CN101802351B (en) * 2008-11-05 2013-06-19 丰田自动车株式会社 Valve gear for internal combustion engine
DE102008060170A1 (en) * 2008-11-27 2010-06-02 Dr.Ing.H.C.F.Porsche Aktiengesellschaft Valve gear of an internal combustion engine
JP5093168B2 (en) * 2009-03-23 2012-12-05 トヨタ自動車株式会社 Control device for variable valve mechanism
CN101978141B (en) 2009-05-29 2012-09-05 丰田自动车株式会社 Variable valve device for internal combustion engine
DE102009037269B4 (en) * 2009-08-10 2011-06-01 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Valve train for internal combustion engines for actuating gas exchange valves
DE102009037268B3 (en) * 2009-08-10 2011-04-07 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Variable valve drive for internal combustion engines for actuating gas exchange valves
DE102009037270B4 (en) * 2009-08-10 2011-04-07 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Valve train for internal combustion engines for actuating gas exchange valves
DE102009039733A1 (en) 2009-09-02 2011-03-10 Thyssenkrupp Presta Teccenter Ag Valve drive for gas exchange valves of an internal combustion engine with axially displaceable cam units
JP5397147B2 (en) * 2009-10-15 2014-01-22 スズキ株式会社 Variable valve gear
WO2011064852A1 (en) 2009-11-25 2011-06-03 トヨタ自動車株式会社 Variable valve device for internal combustion engine
WO2011064845A1 (en) 2009-11-25 2011-06-03 トヨタ自動車株式会社 Variable valve gear for internal combustion engine
DE102009057633B3 (en) * 2009-12-09 2011-03-31 Thyssenkrupp Presta Teccenter Ag Method of making a built camshaft, camshaft body and camshaft
DE102010011897B4 (en) * 2010-03-18 2016-08-25 Thyssenkrupp Presta Teccenter Ag Valve gear with camshaft with axially displaceable cam unit
DE102010036899A1 (en) * 2010-08-06 2012-02-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Internal combustion engine
DE102010060766B4 (en) 2010-11-24 2023-06-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Sliding cam system for use in an internal combustion engine valve train
DE102011011457A1 (en) * 2011-02-17 2012-08-23 Daimler Ag Internal combustion engine valve train device
DE102011002141B4 (en) * 2011-04-18 2022-07-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Camshaft with sliding piece having different cam profiles
DE102011018503A1 (en) * 2011-04-23 2012-10-25 Audi Ag Valve gear for gas exchange valves of an internal combustion engine with a basic camshaft and between pivot bearings of the basic camshaft in two or more discrete shift positions displaceable cam carriers
DE102011103544A1 (en) 2011-06-08 2012-12-13 Schaeffler Technologies AG & Co. KG Storage of a camshaft
DE102011104382A1 (en) 2011-06-16 2012-12-20 Daimler Ag Internal combustion engine valve drive device for a motor vehicle
WO2013042227A1 (en) * 2011-09-21 2013-03-28 トヨタ自動車株式会社 Variable valve device
DE102011116653B4 (en) * 2011-10-21 2023-11-09 Mercedes-Benz Group AG Valve drive device
JP6003185B2 (en) * 2012-04-25 2016-10-05 マツダ株式会社 Engine cam shifting device
DE102012008555B4 (en) * 2012-04-27 2014-11-27 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Device for a valve drive for switching the stroke of gas exchange valves of an internal combustion engine
JP5811039B2 (en) * 2012-06-04 2015-11-11 トヨタ自動車株式会社 Control device for internal combustion engine
DE102012109690A1 (en) * 2012-10-11 2014-04-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Sliding cam assembly for variable actuation of gas exchange valves of an internal combustion engine
DE102012218803A1 (en) * 2012-10-16 2014-04-17 Schaeffler Technologies Gmbh & Co. Kg Valve gear of an internal combustion engine
DE102012112039B4 (en) * 2012-12-10 2024-01-18 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Sliding cam for a valve train of an internal combustion engine
JP6056485B2 (en) * 2013-01-11 2017-01-11 スズキ株式会社 Variable valve operating device for internal combustion engine
DE102013005531A1 (en) * 2013-03-30 2014-10-02 Daimler Ag Valve train device for an internal combustion engine of a motor vehicle
DE102013223299A1 (en) * 2013-11-15 2015-05-21 Schaeffler Technologies AG & Co. KG Sliding cam system with extended single track area
JP6360513B2 (en) * 2016-03-31 2018-07-18 本田技研工業株式会社 Lubrication structure of variable valve gear
DE102016223060A1 (en) * 2016-11-22 2018-05-24 Bayerische Motoren Werke Aktiengesellschaft Cam element for a camshaft of a reciprocating internal combustion engine, and adjusting device for a reciprocating internal combustion engine
DE102017106350B3 (en) 2017-03-24 2018-09-27 Schaeffler Technologies AG & Co. KG Hubvariabler Gaswechselventiltrieb an internal combustion engine
KR102335326B1 (en) 2017-05-16 2021-12-03 현대자동차 주식회사 Mutiple variable valve lift appratus
KR102439627B1 (en) 2017-12-12 2022-09-05 현대자동차주식회사 Variable valve device for engine
WO2019119979A1 (en) * 2017-12-20 2019-06-27 广州汽车集团股份有限公司 Variable valve lift device and vehicle
DE102021210649A1 (en) 2021-09-23 2023-03-23 Thyssenkrupp Ag Shift gate, sliding cam system and camshaft

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US4643141A (en) * 1986-01-26 1987-02-17 Bledsoe Phillip G Internal combustion engine valve lift and cam duration control system
US5129407A (en) * 1991-06-10 1992-07-14 J. D. Phillips Corporation Variable camshaft
AT408127B (en) * 1992-07-13 2001-09-25 Avl Verbrennungskraft Messtech Internal combustion engine with at least one camshaft that can be axially displaced by an adjusting device
DE19611641C1 (en) * 1996-03-25 1997-06-05 Porsche Ag Valve operating cam drive for combustion engines
DE10148177B4 (en) * 2001-09-28 2015-05-13 Schaeffler Technologies AG & Co. KG Valve train with valve lift switching for the gas exchange valves of a 4-stroke internal combustion engine
DE10148178A1 (en) * 2001-09-28 2003-04-17 Ina Schaeffler Kg Method for reduction of fuel consumption and exhaust emissions of 4-stroke IC engines with at least one cylinder being operated in 8-stroke method with three high-pressure loops suitable for ignition
DE102004011586A1 (en) * 2003-03-21 2004-10-07 Audi Ag Valve gear for internal combustion engine has facility whereby in first and second axial positions of cam carrier first and second stop faces fixed on cam carrier bear against respective first and second stop faces fixed on cylinder head

Also Published As

Publication number Publication date
JP2005042717A (en) 2005-02-17
EP1503048A1 (en) 2005-02-02
EP1503048B1 (en) 2008-10-08
US20050011480A1 (en) 2005-01-20
JP4088276B2 (en) 2008-05-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, 7, DE