EP2914820A4 - Development of a switching roller finger follower for cylinder deactivation in internal combustion engines - Google Patents

Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Info

Publication number
EP2914820A4
EP2914820A4 EP13851457.5A EP13851457A EP2914820A4 EP 2914820 A4 EP2914820 A4 EP 2914820A4 EP 13851457 A EP13851457 A EP 13851457A EP 2914820 A4 EP2914820 A4 EP 2914820A4
Authority
EP
European Patent Office
Prior art keywords
development
internal combustion
combustion engines
cylinder deactivation
switching roller
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.)
Withdrawn
Application number
EP13851457.5A
Other languages
German (de)
French (fr)
Other versions
EP2914820A1 (en
Inventor
Andrei Dan Radulescu
Austin Robert Zurface
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Corp
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
Priority claimed from US13/868,045 external-priority patent/US9267396B2/en
Priority claimed from US13/868,061 external-priority patent/US9038586B2/en
Priority claimed from PCT/US2013/037665 external-priority patent/WO2013159120A1/en
Priority claimed from US13/868,067 external-priority patent/US9228454B2/en
Priority claimed from US13/868,025 external-priority patent/US8985074B2/en
Priority claimed from US13/868,068 external-priority patent/US9284859B2/en
Priority claimed from US13/873,774 external-priority patent/US9291075B2/en
Priority claimed from US13/873,797 external-priority patent/US9016252B2/en
Priority claimed from PCT/US2013/038896 external-priority patent/WO2013166029A1/en
Priority to EP23164324.8A priority Critical patent/EP4219914A1/en
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP2914820A1 publication Critical patent/EP2914820A1/en
Publication of EP2914820A4 publication Critical patent/EP2914820A4/en
Withdrawn legal-status Critical Current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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/02—Cutting-out
    • 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
    • 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
    • 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
    • F01L2820/04—Sensors
    • 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
    • F01L2820/04—Sensors
    • F01L2820/045—Valve lift

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP13851457.5A 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines Withdrawn EP2914820A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23164324.8A EP4219914A1 (en) 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US201261722765P 2012-11-05 2012-11-05
US201361771769P 2013-03-01 2013-03-01
US13/868,025 US8985074B2 (en) 2010-03-19 2013-04-22 Sensing and control of a variable valve actuation system
US13/868,068 US9284859B2 (en) 2010-03-19 2013-04-22 Systems, methods, and devices for valve stem position sensing
US13/868,061 US9038586B2 (en) 2010-03-19 2013-04-22 Rocker assembly having improved durability
US13/868,067 US9228454B2 (en) 2010-03-19 2013-04-22 Systems, methods and devices for rocker arm position sensing
US13/868,035 US8915225B2 (en) 2010-03-19 2013-04-22 Rocker arm assembly and components therefor
PCT/US2013/037665 WO2013159120A1 (en) 2012-04-20 2013-04-22 Rocker assembly having improved durability
US13/868,045 US9267396B2 (en) 2010-03-19 2013-04-22 Rocker arm assembly and components therefor
US13/868,054 US9708942B2 (en) 2010-03-19 2013-04-22 Rocker arm assembly and components therefor
PCT/US2013/037667 WO2013159121A1 (en) 2012-04-20 2013-04-22 Variable valve lift systems, methods, and devices
US13/873,774 US9291075B2 (en) 2008-07-22 2013-04-30 System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a control gallery
US13/873,797 US9016252B2 (en) 2008-07-22 2013-04-30 System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a hydraulic lash adjuster gallery
PCT/US2013/038896 WO2013166029A1 (en) 2012-04-30 2013-04-30 Monitoring and diagnosis of variable valve actuation systems
PCT/US2013/068503 WO2014071373A1 (en) 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23164324.8A Division EP4219914A1 (en) 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Publications (2)

Publication Number Publication Date
EP2914820A1 EP2914820A1 (en) 2015-09-09
EP2914820A4 true EP2914820A4 (en) 2016-10-05

Family

ID=50628162

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13851457.5A Withdrawn EP2914820A4 (en) 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
EP23164324.8A Pending EP4219914A1 (en) 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23164324.8A Pending EP4219914A1 (en) 2012-11-05 2013-11-05 Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Country Status (5)

Country Link
EP (2) EP2914820A4 (en)
JP (1) JP2015534005A (en)
KR (1) KR20150079975A (en)
CN (2) CN104903553B (en)
WO (1) WO2014071373A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016252B2 (en) 2008-07-22 2015-04-28 Eaton Corporation System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a hydraulic lash adjuster gallery
US20190309663A9 (en) 2008-07-22 2019-10-10 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US9938865B2 (en) 2008-07-22 2018-04-10 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US9708942B2 (en) 2010-03-19 2017-07-18 Eaton Corporation Rocker arm assembly and components therefor
US9284859B2 (en) 2010-03-19 2016-03-15 Eaton Corporation Systems, methods, and devices for valve stem position sensing
US9038586B2 (en) 2010-03-19 2015-05-26 Eaton Corporation Rocker assembly having improved durability
US9581058B2 (en) 2010-08-13 2017-02-28 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US8915225B2 (en) 2010-03-19 2014-12-23 Eaton Corporation Rocker arm assembly and components therefor
US9228454B2 (en) 2010-03-19 2016-01-05 Eaton Coporation Systems, methods and devices for rocker arm position sensing
US9291075B2 (en) 2008-07-22 2016-03-22 Eaton Corporation System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a control gallery
US10415439B2 (en) 2008-07-22 2019-09-17 Eaton Intelligent Power Limited Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US11181013B2 (en) 2009-07-22 2021-11-23 Eaton Intelligent Power Limited Cylinder head arrangement for variable valve actuation rocker arm assemblies
US9194261B2 (en) 2011-03-18 2015-11-24 Eaton Corporation Custom VVA rocker arms for left hand and right hand orientations
US10087790B2 (en) 2009-07-22 2018-10-02 Eaton Corporation Cylinder head arrangement for variable valve actuation rocker arm assemblies
US9874122B2 (en) 2010-03-19 2018-01-23 Eaton Corporation Rocker assembly having improved durability
US9885258B2 (en) 2010-03-19 2018-02-06 Eaton Corporation Latch interface for a valve actuating device
USD750670S1 (en) 2013-02-22 2016-03-01 Eaton Corporation Rocker arm
DE112015000034T5 (en) 2014-03-03 2015-11-19 Eaton Corporation Valve operating device and method for its production
US10196944B2 (en) * 2014-10-10 2019-02-05 Schaeffler Technologies AG & Co. KG Mechanical lash control for a switchable roller finger follower
KR102454349B1 (en) 2015-01-13 2022-10-14 이턴 코포레이션 Switching rocker arm
JP6258383B2 (en) * 2015-11-30 2018-01-10 モートニック コーポレイション Variable valve lift device for engine
WO2017116917A1 (en) * 2015-12-28 2017-07-06 Eaton Corporation Discrete variable valve lift engine systems and methods
US10941680B2 (en) 2015-12-28 2021-03-09 Eaton Corporation Discrete variable valve lift engine systems and methods
JP6571569B2 (en) * 2016-03-18 2019-09-04 株式会社オティックス Variable valve mechanism for internal combustion engine
US10267259B2 (en) * 2016-09-28 2019-04-23 Ford Global Technologies, Llc Cylinder head with valve deactivators
WO2018068041A1 (en) * 2016-10-07 2018-04-12 Eaton Corporation Three roller rocker arm with cantilevered rollers and lost motion spring over valve or over rocker arm pivot
US10253657B2 (en) * 2017-02-20 2019-04-09 Delphi Technologies Ip Limited Switchable rocker arm with a travel stop
US10683923B2 (en) 2017-07-31 2020-06-16 Schaeffler Technologies AG & Co. KG Rotatable body valve stem contact for switchable roller finger follower
DE102017223500A1 (en) * 2017-12-21 2019-06-27 Volkswagen Aktiengesellschaft Method for operating an internal combustion engine and internal combustion engine
US10393033B1 (en) * 2018-03-28 2019-08-27 GM Global Technology Operations LLC Hydraulic system purging via position synchronized solenoid pulsing
CN112912596B (en) 2018-09-10 2022-11-04 雅各布斯车辆系统公司 Lost motion variable valve actuation system and method
DE112020002589T5 (en) 2019-05-24 2022-03-10 Eaton Intelligent Power Limited STAMPED METAL SHIFTER ROLLER FINGER FOLLOWER
CN112983587B (en) * 2021-02-06 2021-12-21 无锡职业技术学院 VVA solenoid valve driving system with closing detection function
WO2022218574A1 (en) 2021-04-16 2022-10-20 Eaton Intelligent Power Limited Metal sheet stamped outer body for switching roller finger follower

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120037107A1 (en) * 2010-08-13 2012-02-16 Eaton Corporation Single lobe deactivating rocker arm
JP2012184463A (en) * 2011-03-04 2012-09-27 Nhk Spring Co Ltd Spring, and method for manufacturing the same

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB723250A (en) * 1952-04-21 1955-02-02 George Harvey Bradbury Improvements in or relating to variable speed gears
US4393820A (en) * 1981-05-07 1983-07-19 General Motors Corporation Rolling contact rocker arm and pivot
JPS61157111U (en) * 1985-03-22 1986-09-29
JPH01299336A (en) * 1988-05-27 1989-12-04 Murata Hatsujo Kk Torsion spring for over head door or shutter opening/ closing device
JPH045407A (en) * 1990-04-24 1992-01-09 Nissan Motor Co Ltd Forced switch gear for engine valve
JPH0450521A (en) * 1990-06-15 1992-02-19 Mitsubishi Electric Corp One-way clutch
JPH0650115A (en) * 1992-07-31 1994-02-22 Mitsubishi Motors Corp Valve system structure with variable valve timing mechanism
JPH09217859A (en) * 1996-02-09 1997-08-19 Toyota Motor Corp Operation state detecting device for valve device
JPH11246941A (en) * 1998-02-27 1999-09-14 Chuo Spring Co Ltd High strength valve spring and its manufacture
US6532920B1 (en) * 2002-02-08 2003-03-18 Ford Global Technologies, Inc. Multipositional lift rocker arm assembly
US6769387B2 (en) * 2002-10-19 2004-08-03 General Motors Corporation Compact two-step rocker arm assembly
CN100422513C (en) * 2004-03-03 2008-10-01 蒂姆肯公司 Switching finger follower assembly
WO2005093224A1 (en) * 2004-03-03 2005-10-06 Timken Us Corporation Switching finger follower assembly
US7305951B2 (en) * 2005-05-09 2007-12-11 Delphi Technologies, Inc. Two-step roller finger follower
US7318402B2 (en) * 2005-11-21 2008-01-15 Eaton Corporation Dual lift rocker arm latch mechanism and actuation arrangement therefor
ITTO20060563A1 (en) * 2006-07-28 2008-01-29 Eaton Srl COMMAND DEVICE RAISED FOR A INTERNAL COMBUSTION ENGINE-BASED VALVE OR OPERATING MACHINE
US20080035085A1 (en) * 2006-08-14 2008-02-14 Hendriksma Nick J Method and apparatus for controlling a switchable cam follower
DE102006046573A1 (en) * 2006-09-30 2008-04-03 Schaeffler Kg Switchable drag lever of a valve train of an internal combustion engine
DE102006057894A1 (en) * 2006-12-08 2008-06-12 Schaeffler Kg Switchable drag lever of a valve train of an internal combustion engine
JP4816532B2 (en) * 2007-01-25 2011-11-16 日産自動車株式会社 Engine valve mechanism
US7761217B2 (en) * 2008-03-04 2010-07-20 Delphi Technologies, Inc. Diagnostics for two-mode variable valve activation devices
JP5656148B2 (en) 2008-07-22 2015-01-21 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ Oil control valve and method for controlling oil flow inside valve train
US9022067B2 (en) 2008-10-09 2015-05-05 Eaton Corporation Dual variable valve solenoid module
CN102003237B (en) * 2009-08-31 2013-05-15 上海尤顺汽车部件有限公司 Engine braking improving device
KR101209719B1 (en) * 2009-06-04 2012-12-07 현대자동차주식회사 Variable valve lift apparatus that is equipped with swing arm
DE102009056367A1 (en) * 2009-11-30 2011-06-01 Schaeffler Technologies Gmbh & Co. Kg Component for valve gear of internal-combustion engine, has detachable cam follower, which is connected with supporting element by pivoted joint
JP5733538B2 (en) * 2010-03-19 2015-06-10 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ Switchable rocker arm
DE102011002566A1 (en) * 2011-01-12 2012-07-12 Schaeffler Technologies Gmbh & Co. Kg Switchable drag lever

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120037107A1 (en) * 2010-08-13 2012-02-16 Eaton Corporation Single lobe deactivating rocker arm
JP2012184463A (en) * 2011-03-04 2012-09-27 Nhk Spring Co Ltd Spring, and method for manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014071373A1 *

Also Published As

Publication number Publication date
CN104903553B (en) 2019-04-19
WO2014071373A1 (en) 2014-05-08
CN109915224B (en) 2021-08-31
KR20150079975A (en) 2015-07-08
JP2015534005A (en) 2015-11-26
CN109915224A (en) 2019-06-21
CN104903553A (en) 2015-09-09
EP4219914A1 (en) 2023-08-02
EP2914820A1 (en) 2015-09-09

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