EP2039892A4 - Engine valve device - Google Patents

Engine valve device

Info

Publication number
EP2039892A4
EP2039892A4 EP07767439A EP07767439A EP2039892A4 EP 2039892 A4 EP2039892 A4 EP 2039892A4 EP 07767439 A EP07767439 A EP 07767439A EP 07767439 A EP07767439 A EP 07767439A EP 2039892 A4 EP2039892 A4 EP 2039892A4
Authority
EP
European Patent Office
Prior art keywords
valve device
engine valve
engine
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.)
Granted
Application number
EP07767439A
Other languages
German (de)
French (fr)
Other versions
EP2039892B1 (en
EP2039892A1 (en
Inventor
Youhei Hisada
Hideaki Tachibana
Etsuro Sato
Kunio Horiai
Jun Maruyama
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of EP2039892A1 publication Critical patent/EP2039892A1/en
Publication of EP2039892A4 publication Critical patent/EP2039892A4/en
Application granted granted Critical
Publication of EP2039892B1 publication Critical patent/EP2039892B1/en
Expired - Fee Related 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
    • 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
    • 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
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • 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
    • 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
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control 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
    • 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
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34446—Fluid accumulators for the feeding circuit
    • 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
    • F01L2013/0089—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 with means for delaying valve closing
    • 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)
EP07767439A 2006-06-30 2007-06-22 Engine valve device Expired - Fee Related EP2039892B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006182121 2006-06-30
PCT/JP2007/062630 WO2008001699A1 (en) 2006-06-30 2007-06-22 Engine valve device

Publications (3)

Publication Number Publication Date
EP2039892A1 EP2039892A1 (en) 2009-03-25
EP2039892A4 true EP2039892A4 (en) 2009-11-04
EP2039892B1 EP2039892B1 (en) 2012-03-21

Family

ID=38845464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07767439A Expired - Fee Related EP2039892B1 (en) 2006-06-30 2007-06-22 Engine valve device

Country Status (6)

Country Link
US (1) US20090199796A1 (en)
EP (1) EP2039892B1 (en)
JP (1) JPWO2008001699A1 (en)
KR (1) KR101083613B1 (en)
CN (1) CN101473111B (en)
WO (1) WO2008001699A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010121570A (en) 2008-11-20 2010-06-03 Komatsu Ltd Variable valve device and method of controlling same
JP2010121571A (en) * 2008-11-20 2010-06-03 Komatsu Ltd Variable valve device and control method thereof
JP5463837B2 (en) * 2009-10-06 2014-04-09 いすゞ自動車株式会社 Internal combustion engine
DE102011005472A1 (en) * 2011-03-14 2012-09-20 Schaeffler Technologies Gmbh & Co. Kg Accumulator unit for a camshaft and reciprocating piston for an accumulator unit
JP5993251B2 (en) 2012-08-31 2016-09-14 株式会社山田製作所 Engine lubrication control system
JP6006047B2 (en) * 2012-08-31 2016-10-12 株式会社山田製作所 Engine lubrication control system
KR101382327B1 (en) * 2012-10-17 2014-04-08 현대자동차 주식회사 Variable valve lift device
FI20135003L (en) * 2013-01-03 2014-07-04 Waertsilae Finland Oy Drain valve device and method for checking closure of a drain valve
US8967103B2 (en) 2013-03-04 2015-03-03 Caterpillar Inc. Variable valve timing arrangement
CN104265395B (en) * 2013-07-26 2017-01-11 皆可博车辆控制系统公司 Air-activated Oil Supply Device Used For Multi-cylinder Internal Combustion Engine
KR101713755B1 (en) * 2015-12-14 2017-03-08 현대자동차 주식회사 Braking force control system and control method of the same
CN105804827A (en) * 2016-05-04 2016-07-27 哈尔滨工程大学 Piezoelectrically-controlled pressure-intensified valve system
DE102016112447A1 (en) * 2016-07-07 2018-01-11 Man Diesel & Turbo Se Valve train for an internal combustion engine and internal combustion engine
CN110185513A (en) * 2019-07-01 2019-08-30 贵州大学 A kind of electric-liquid type variable valve timing regulating device
CN111535894B (en) * 2020-04-28 2021-02-19 一汽解放汽车有限公司 Electric control hydraulic type air valve system and engine
CN113833544B (en) 2021-11-25 2022-03-18 江苏卓联精密机械有限公司 Special driving cam combined engine valve driving device
CN113818943B (en) * 2021-11-25 2022-03-18 江苏卓联精密机械有限公司 Special fixed double-piston hydraulic engine valve driving device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462025A (en) * 1994-09-28 1995-10-31 Diesel Engine Retarders, Inc. Hydraulic circuits for compression release engine brakes
WO1996011328A1 (en) * 1994-10-07 1996-04-18 Diesel Engine Retarders, Inc. Electronically controlled compression release engine brakes
EP0974740A2 (en) * 1998-07-20 2000-01-26 Cummins Engine Company, Ltd. Compression release engine braking system
US6321701B1 (en) * 1997-11-04 2001-11-27 Diesel Engine Retarders, Inc. Lost motion valve actuation system
WO2003087544A2 (en) * 2002-04-08 2003-10-23 Diesel Engine Retarders, Inc. Compact lost motion system for variable valve actuation
WO2005079491A2 (en) * 2004-02-17 2005-09-01 Jacobs Vehicle Systems, Inc. System and method for multi-lift valve actuation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04330309A (en) * 1991-04-26 1992-11-18 Mitsubishi Motors Corp Valve system for internal combustion engine
JP2792314B2 (en) * 1992-03-05 1998-09-03 三菱自動車工業株式会社 Valve train for internal combustion engine
JPH0960506A (en) * 1995-08-25 1997-03-04 Kubota Corp Valve system for overhead valve type engine
KR100222857B1 (en) 1996-12-20 1999-10-01 정몽규 Valve open-close device of vehicle engine
US6053134A (en) * 1998-08-28 2000-04-25 Linebarger; Terry Glyn Cam operating system
WO2003060293A1 (en) * 2002-01-15 2003-07-24 Robert Bosch Gmbh Device for controlling a cross-section of an opening in the combustion cylinder of an internal combustion engine
US20050247286A1 (en) * 2002-02-04 2005-11-10 Weber James R Combustion engine including fluidically-controlled engine valve actuator
US6732685B2 (en) * 2002-02-04 2004-05-11 Caterpillar Inc Engine valve actuator
US7004122B2 (en) * 2002-05-14 2006-02-28 Caterpillar Inc Engine valve actuation system
US20030213444A1 (en) * 2002-05-14 2003-11-20 Cornell Sean O. Engine valve actuation system
US6941909B2 (en) * 2003-06-10 2005-09-13 Caterpillar Inc System and method for actuating an engine valve
US20050235953A1 (en) * 2002-05-14 2005-10-27 Weber James R Combustion engine including engine valve actuation system
US7069887B2 (en) * 2002-05-14 2006-07-04 Caterpillar Inc. Engine valve actuation system
US6907851B2 (en) * 2002-05-14 2005-06-21 Caterpillar Inc Engine valve actuation system
CN2779075Y (en) * 2004-01-03 2006-05-10 马银良 Engine retarder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462025A (en) * 1994-09-28 1995-10-31 Diesel Engine Retarders, Inc. Hydraulic circuits for compression release engine brakes
WO1996011328A1 (en) * 1994-10-07 1996-04-18 Diesel Engine Retarders, Inc. Electronically controlled compression release engine brakes
US6321701B1 (en) * 1997-11-04 2001-11-27 Diesel Engine Retarders, Inc. Lost motion valve actuation system
EP0974740A2 (en) * 1998-07-20 2000-01-26 Cummins Engine Company, Ltd. Compression release engine braking system
WO2003087544A2 (en) * 2002-04-08 2003-10-23 Diesel Engine Retarders, Inc. Compact lost motion system for variable valve actuation
WO2005079491A2 (en) * 2004-02-17 2005-09-01 Jacobs Vehicle Systems, Inc. System and method for multi-lift valve actuation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008001699A1 *

Also Published As

Publication number Publication date
WO2008001699A1 (en) 2008-01-03
EP2039892B1 (en) 2012-03-21
CN101473111B (en) 2011-08-31
US20090199796A1 (en) 2009-08-13
EP2039892A1 (en) 2009-03-25
JPWO2008001699A1 (en) 2009-11-26
CN101473111A (en) 2009-07-01
KR20090027649A (en) 2009-03-17
KR101083613B1 (en) 2011-11-16

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