EP4031753B1 - Schaltkulisse, schiebenockensystem und nockenwelle - Google Patents

Schaltkulisse, schiebenockensystem und nockenwelle

Info

Publication number
EP4031753B1
EP4031753B1 EP20776090.1A EP20776090A EP4031753B1 EP 4031753 B1 EP4031753 B1 EP 4031753B1 EP 20776090 A EP20776090 A EP 20776090A EP 4031753 B1 EP4031753 B1 EP 4031753B1
Authority
EP
European Patent Office
Prior art keywords
camshaft
cam system
sliding cam
shifting cylinder
shifting
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.)
Active
Application number
EP20776090.1A
Other languages
English (en)
French (fr)
Other versions
EP4031753A1 (de
Inventor
Marcel Weidauer
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.)
ThyssenKrupp AG
Thyssenkrupp Dynamic Components Teccenter AG
Original Assignee
ThyssenKrupp AG
Thyssenkrupp Dynamic Components Teccenter 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 ThyssenKrupp AG, Thyssenkrupp Dynamic Components Teccenter AG filed Critical ThyssenKrupp AG
Publication of EP4031753A1 publication Critical patent/EP4031753A1/de
Application granted granted Critical
Publication of EP4031753B1 publication Critical patent/EP4031753B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01L13/0036—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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/10—Auxiliary actuators for variable valve timing
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/02—Formulas

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Gear-Shifting Mechanisms (AREA)
EP20776090.1A 2019-09-18 2020-09-15 Schaltkulisse, schiebenockensystem und nockenwelle Active EP4031753B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019125100.1A DE102019125100A1 (de) 2019-09-18 2019-09-18 Schaltkulisse, Schiebenockensystem und Nockenwelle
PCT/EP2020/075787 WO2021052973A1 (de) 2019-09-18 2020-09-15 Schaltkulisse, schiebenockensystem und nockenwelle

Publications (2)

Publication Number Publication Date
EP4031753A1 EP4031753A1 (de) 2022-07-27
EP4031753B1 true EP4031753B1 (de) 2026-05-20

Family

ID=72615830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20776090.1A Active EP4031753B1 (de) 2019-09-18 2020-09-15 Schaltkulisse, schiebenockensystem und nockenwelle

Country Status (5)

Country Link
US (1) US12031461B2 (de)
EP (1) EP4031753B1 (de)
CN (1) CN114402124B (de)
DE (1) DE102019125100A1 (de)
WO (1) WO2021052973A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021210649A1 (de) 2021-09-23 2023-03-23 Thyssenkrupp Ag Schaltkulisse, Schiebenockensystem und Nockenwelle

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244314A (en) * 1975-10-06 1977-04-07 Mitsubishi Motors Corp Variable valve-timing device
DE10148178A1 (de) * 2001-09-28 2003-04-17 Ina Schaeffler Kg Verfahren und Vorrichtung zur Senkung von Kraftstoffverbrauch und Schadstoffemission eines 4-Takt-Verbrennungsmotors
DE10148177B4 (de) * 2001-09-28 2015-05-13 Schaeffler Technologies AG & Co. KG Ventiltrieb mit Ventilhubumschaltung für die Gaswechselventiele eines 4-Takt-Verbrennungsmotors
DE102007054978B4 (de) * 2007-11-17 2023-12-14 Mercedes-Benz Group AG Ventiltriebvorrichtung
DE102009053116A1 (de) * 2009-03-06 2010-09-09 Schaeffler Technologies Gmbh & Co. Kg Ventiltrieb einer Brennkraftmaschine
DE102010033087A1 (de) * 2010-08-02 2012-02-02 Schaeffler Technologies Gmbh & Co. Kg Ventiltrieb einer Brennkraftmaschine
DE102011011457A1 (de) 2011-02-17 2012-08-23 Daimler Ag Brennkraftmaschinenventiltriebvorrichtung
DE102011114300B4 (de) * 2011-09-23 2016-02-25 Audi Ag Ventiltrieb einer Brennkraftmaschine sowie Brennkraftmaschine
DE102012008555B4 (de) 2012-04-27 2014-11-27 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Vorrichtung für einen Ventiltrieb zum Umschalten des Hubs von Gaswechselventilen einer Brennkraftmaschine
DE102012012064A1 (de) 2012-06-15 2013-12-19 Avl Deutschland Gmbh Führungsnutanordnung an einer Welle sowie Verfahren zum axialen Verschieben einer Welle mit einer Führungsnutanordnung
DE102012211858A1 (de) 2012-07-06 2014-01-09 Schaeffler Technologies AG & Co. KG Aktorvorrichtung für ein Schiebenockensystem
DE102012218803A1 (de) 2012-10-16 2014-04-17 Schaeffler Technologies Gmbh & Co. Kg Ventiltrieb einer Brennkraftmaschine
DE102012022555B4 (de) 2012-11-17 2024-05-23 Mercedes-Benz Group AG Kraftfahrzeugventiltriebvorrichtung
DE102012112038B4 (de) 2012-12-10 2021-09-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schiebenocken für einen Ventiltrieb einer Brennkraftmaschine
DE102013220554B4 (de) * 2013-10-11 2015-05-13 Schaeffler Technologies AG & Co. KG Hubvariabler Ventiltrieb einer Brennkraftmaschine
DE102013111476B4 (de) * 2013-10-17 2021-09-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ventiltrieb einer Brennkraftmaschine
DE102013221244A1 (de) * 2013-10-21 2015-04-23 Volkswagen Aktiengesellschaft Vorrichtung zur Nockenwellenverstellung einer Brennkraftmaschine
DE102013223299A1 (de) * 2013-11-15 2015-05-21 Schaeffler Technologies AG & Co. KG Schiebenockensystem mit verlängertem Einspurbereich
DE102014204570B3 (de) 2014-03-12 2015-07-16 Schaeffler Technologies AG & Co. KG Hubvariabler Ventiltrieb einer Brennkraftmaschine
DE102014209431A1 (de) 2014-05-19 2015-11-19 Schaeffler Technologies AG & Co. KG Schiebenockensystem mit C-Federblech
DE102014215428B3 (de) * 2014-08-05 2016-02-11 Schaeffler Technologies AG & Co. KG Hubvariabler Ventiltrieb einer Brennkraftmaschine
DE102014222671B3 (de) 2014-11-06 2016-03-31 Schaeffler Technologies AG & Co. KG Schiebenockensystem mit XS-Nut und Brücke zur Absicherung der Betätigungsfunktion bei einer minimalen Schaltdrehzahl
DE102014017036B3 (de) * 2014-11-18 2016-03-24 Audi Ag Ventiltrieb für eine Brennkraftmaschine sowie entsprechende Brennkraftmaschine
JP6233386B2 (ja) 2015-10-29 2017-11-22 トヨタ自動車株式会社 可変動弁機構
DE102015015832A1 (de) 2015-12-05 2017-06-08 Daimler Ag Ventiltriebvorrichtung und Brennkraftmaschine mit einer Ventiltriebvorrichtung
GB2545257A (en) 2015-12-10 2017-06-14 Gm Global Tech Operations Llc Internal combustion engine comprising a shifting cam system for variable valve actuation
DE102016207616A1 (de) 2016-05-03 2017-11-09 Schaeffler Technologies AG & Co. KG Variabler Ventiltrieb
DE102016012813A1 (de) 2016-10-01 2017-04-27 Daimler Ag Aktor für eine Nockenwellenverstellvorrichtung einer Verbrennungskraftmaschine
DE102016124851A1 (de) 2016-12-19 2018-06-21 Volkswagen Aktiengesellschaft Ventiltrieb einer Brennkraftmaschine
DE102016015278A1 (de) 2016-12-21 2017-07-20 Daimler Ag Ventiltrieb für eine Verbrennungskraftmaschine
DE102017116820A1 (de) 2017-07-25 2019-01-31 Man Truck & Bus Ag Schiebenockensystem
DE102017213085A1 (de) 2017-07-28 2019-01-31 Mahle International Gmbh Kipphebelanordnung
CN114165309A (zh) 2021-11-30 2022-03-11 重庆长安汽车股份有限公司 一种凸轮滑动式可变气门升程系统、发动机及车辆

Also Published As

Publication number Publication date
DE102019125100A1 (de) 2021-03-18
CN114402124B (zh) 2024-06-07
WO2021052973A1 (de) 2021-03-25
US20220341351A1 (en) 2022-10-27
CN114402124A (zh) 2022-04-26
EP4031753A1 (de) 2022-07-27
US12031461B2 (en) 2024-07-09

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