FI20135019L - Valve lifting device and method for driving a valve lifting device - Google Patents

Valve lifting device and method for driving a valve lifting device Download PDF

Info

Publication number
FI20135019L
FI20135019L FI20135019A FI20135019A FI20135019L FI 20135019 L FI20135019 L FI 20135019L FI 20135019 A FI20135019 A FI 20135019A FI 20135019 A FI20135019 A FI 20135019A FI 20135019 L FI20135019 L FI 20135019L
Authority
FI
Finland
Prior art keywords
lifting device
valve lifting
driving
valve
lifting
Prior art date
Application number
FI20135019A
Other languages
Finnish (fi)
Swedish (sv)
Inventor
Saku Niinikangas
Magnus Sundsten
Original Assignee
Waertsilae Finland Oy
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 Waertsilae Finland Oy filed Critical Waertsilae Finland Oy
Priority to FI20135019A priority Critical patent/FI20135019L/en
Priority to PCT/FI2014/050003 priority patent/WO2014106689A1/en
Priority to EP14700517.7A priority patent/EP2941547B1/en
Publication of FI20135019L publication Critical patent/FI20135019L/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
    • 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
    • F01L13/0031—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 tappet or pushrod length
    • 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
    • F01L1/08—Shape of cams
    • 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
    • F01L1/146—Push-rods
    • 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
    • F01L13/0063—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 cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/16—Pneumatic means
    • 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
    • F02D13/0242—Variable control of the exhaust valves only
    • F02D13/0246—Variable control of the exhaust valves only 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
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • F01L2800/10—Providing exhaust gas recirculation [EGR]
FI20135019A 2013-01-07 2013-01-07 Valve lifting device and method for driving a valve lifting device FI20135019L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20135019A FI20135019L (en) 2013-01-07 2013-01-07 Valve lifting device and method for driving a valve lifting device
PCT/FI2014/050003 WO2014106689A1 (en) 2013-01-07 2014-01-03 Valve lifting arrangement and method for operating valve lifting arrangement
EP14700517.7A EP2941547B1 (en) 2013-01-07 2014-01-03 Valve lifting arrangement and method for operating valve lifting arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20135019A FI20135019L (en) 2013-01-07 2013-01-07 Valve lifting device and method for driving a valve lifting device

Publications (1)

Publication Number Publication Date
FI20135019L true FI20135019L (en) 2014-07-08

Family

ID=49958496

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20135019A FI20135019L (en) 2013-01-07 2013-01-07 Valve lifting device and method for driving a valve lifting device

Country Status (3)

Country Link
EP (1) EP2941547B1 (en)
FI (1) FI20135019L (en)
WO (1) WO2014106689A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017190216A1 (en) * 2016-05-03 2017-11-09 Tonand Inc. Hydraulic device for variably operating timed components of a combustion engine
CN106089350B (en) * 2016-06-07 2018-05-01 浙江大学 Two cycle compression release type brake device of engine and its braking method
DE102016224754B4 (en) * 2016-12-12 2018-10-04 Mtu Friedrichshafen Gmbh Valve train for an internal combustion engine, internal combustion engine with such a valve train and method for operating an internal combustion engine with such a valve train
JP7241861B2 (en) * 2018-09-10 2023-03-17 ジェイコブス ビークル システムズ、インコーポレイテッド Lost motion variable valve actuation system and method
GB201815266D0 (en) * 2018-09-19 2018-10-31 Eaton Intelligent Power Ltd Valve train assembly
CN113574250B (en) * 2018-12-21 2023-03-10 潍柴动力股份有限公司 Valve actuating mechanism and engine
KR102185712B1 (en) * 2019-07-12 2020-12-02 현대중공업 주식회사 Variable valve timing apparatus
CN111188662A (en) * 2020-01-07 2020-05-22 绵阳华博精工机械有限公司 Valve mechanism

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832542A1 (en) * 1978-07-25 1980-02-07 Maschf Augsburg Nuernberg Ag INTERNAL COMBUSTION ENGINE WITH ENGINE BRAKE
US5537976A (en) * 1995-08-08 1996-07-23 Diesel Engine Retarders, Inc. Four-cycle internal combustion engines with two-cycle compression release braking
US6125828A (en) * 1995-08-08 2000-10-03 Diesel Engine Retarders, Inc. Internal combustion engine with combined cam and electro-hydraulic engine valve control
EP1232336A4 (en) * 1999-09-17 2009-08-05 Diesel Engine Retarders Inc Captive volume accumulator for a lost motion system
EP2325460B1 (en) * 2002-04-08 2012-12-05 Jacobs Vehicle Systems, Inc. Compact lost motion system for variable valve actuation
US7152576B2 (en) * 2002-04-08 2006-12-26 Richard Vanderpoel Compact lost motion system for variable value actuation
JP2007500314A (en) * 2003-05-06 2007-01-11 ジェイコブス ビークル システムズ、インコーポレイテッド System and method for improving the performance of hydraulic actuation systems
JP2006233788A (en) * 2005-02-23 2006-09-07 Hino Motors Ltd Valve driving control method for engine with turbocharger
DE102008028697A1 (en) * 2007-07-10 2009-01-22 Schaeffler Kg Method for controlling an electromagnetic switching valve

Also Published As

Publication number Publication date
EP2941547B1 (en) 2016-11-30
WO2014106689A1 (en) 2014-07-10
EP2941547A1 (en) 2015-11-11

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