DE112018001882A5 - MECHANICAL VALVE ACTUATOR - Google Patents

MECHANICAL VALVE ACTUATOR Download PDF

Info

Publication number
DE112018001882A5
DE112018001882A5 DE112018001882.2T DE112018001882T DE112018001882A5 DE 112018001882 A5 DE112018001882 A5 DE 112018001882A5 DE 112018001882 T DE112018001882 T DE 112018001882T DE 112018001882 A5 DE112018001882 A5 DE 112018001882A5
Authority
DE
Germany
Prior art keywords
valve actuator
mechanical valve
mechanical
actuator
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.)
Pending
Application number
DE112018001882.2T
Other languages
German (de)
Inventor
Thomas Salmutter
Andreas Zurk
Martin Klampfer
Jürgen Gelter
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.)
AVL List GmbH
Original Assignee
AVL List 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 AVL List GmbH filed Critical AVL List GmbH
Publication of DE112018001882A5 publication Critical patent/DE112018001882A5/en
Pending 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
    • F01L13/0021—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 by modification of rocker arm ratio
    • 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
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • 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
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203—Variable control of intake and exhaust valves
    • F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
    • 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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L2001/467—Lost motion springs
    • 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
    • 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
    • F01L2820/01—Absolute values
DE112018001882.2T 2017-04-05 2018-04-05 MECHANICAL VALVE ACTUATOR Pending DE112018001882A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA50281/2017A AT519812B1 (en) 2017-04-05 2017-04-05 Mechanical valve actuator
ATA50281/2017 2017-04-05
PCT/EP2018/058671 WO2018185197A1 (en) 2017-04-05 2018-04-05 Mechanical valve actuating device

Publications (1)

Publication Number Publication Date
DE112018001882A5 true DE112018001882A5 (en) 2020-01-02

Family

ID=63713085

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112018001882.2T Pending DE112018001882A5 (en) 2017-04-05 2018-04-05 MECHANICAL VALVE ACTUATOR

Country Status (4)

Country Link
JP (1) JP7317713B2 (en)
AT (1) AT519812B1 (en)
DE (1) DE112018001882A5 (en)
WO (1) WO2018185197A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI693337B (en) * 2019-03-11 2020-05-11 趙秀雄 Engine valve actuation mechanism
DE102019119870A1 (en) * 2019-07-23 2021-01-28 Man Truck & Bus Se Variable valve train for an engine braking mode

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3388634B2 (en) * 1994-06-15 2003-03-24 本田技研工業株式会社 Valve train for internal combustion engine
JP4151357B2 (en) * 2002-09-09 2008-09-17 トヨタ自動車株式会社 Variable valve mechanism for internal combustion engine
JP2004197588A (en) * 2002-12-17 2004-07-15 Mitsubishi Motors Corp Valve system for internal combustion engine
KR100957153B1 (en) * 2008-03-27 2010-05-11 현대자동차주식회사 Variable valve lift apparatus
AT511050A1 (en) * 2011-01-27 2012-08-15 Avl List Gmbh Combustion engine with a variable valve actuator
DE102013215946A1 (en) * 2013-08-12 2015-02-12 Avl List Gmbh Valve operating device for changing the valve lift
EP3207226A4 (en) * 2014-10-15 2018-05-16 Shanghai Universoon Autoparts Co., Ltd Engine braking method and system
US9926816B2 (en) * 2015-07-09 2018-03-27 Schaeffler Technologies AG & Co. KG Switchable rocker arm with pivot joint

Also Published As

Publication number Publication date
JP7317713B2 (en) 2023-07-31
AT519812B1 (en) 2019-07-15
AT519812A1 (en) 2018-10-15
JP2020516804A (en) 2020-06-11
WO2018185197A1 (en) 2018-10-11

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Legal Events

Date Code Title Description
R082 Change of representative

Representative=s name: WALLINGER RICKER SCHLOTTER TOSTMANN PATENT- UN, DE

Representative=s name: BREUER FRIEDRICH HAHNER PATENTANWAELTE PARTG M, DE

Representative=s name: PAUSTIAN & PARTNER PATENTANWAELTE MBB, DE

R082 Change of representative

Representative=s name: WALLINGER RICKER SCHLOTTER TOSTMANN PATENT- UN, DE

Representative=s name: PAUSTIAN & PARTNER PATENTANWAELTE MBB, DE

R082 Change of representative

Representative=s name: WALLINGER RICKER SCHLOTTER TOSTMANN PATENT- UN, DE