EP1992795A3 - Suiveur de came de contact à rouleau à deux étapes - Google Patents

Suiveur de came de contact à rouleau à deux étapes Download PDF

Info

Publication number
EP1992795A3
EP1992795A3 EP08154624A EP08154624A EP1992795A3 EP 1992795 A3 EP1992795 A3 EP 1992795A3 EP 08154624 A EP08154624 A EP 08154624A EP 08154624 A EP08154624 A EP 08154624A EP 1992795 A3 EP1992795 A3 EP 1992795A3
Authority
EP
European Patent Office
Prior art keywords
slider arm
lift
shaft
slider
aperture
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Withdrawn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
EP08154624A
Other languages
German (de)
English (en)
Other versions
EP1992795A2 (fr
Inventor
Nick J. Hendriksma
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1992795A2 publication Critical patent/EP1992795A2/fr
Publication of EP1992795A3 publication Critical patent/EP1992795A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
EP08154624A 2007-05-16 2008-04-16 Suiveur de came de contact à rouleau à deux étapes Withdrawn EP1992795A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/803,910 US20080283003A1 (en) 2007-05-16 2007-05-16 Two-step roller finger cam follower

Publications (2)

Publication Number Publication Date
EP1992795A2 EP1992795A2 (fr) 2008-11-19
EP1992795A3 true EP1992795A3 (fr) 2010-03-24

Family

ID=39739248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08154624A Withdrawn EP1992795A3 (fr) 2007-05-16 2008-04-16 Suiveur de came de contact à rouleau à deux étapes

Country Status (2)

Country Link
US (1) US20080283003A1 (fr)
EP (1) EP1992795A3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015134466A1 (fr) 2014-03-03 2015-09-11 Eaton Corporation Dispositif d'actionnement de soupape et son procédé de fabrication
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
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
US9228454B2 (en) 2010-03-19 2016-01-05 Eaton Coporation Systems, methods and devices for rocker arm position sensing
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
US11181013B2 (en) 2009-07-22 2021-11-23 Eaton Intelligent Power Limited 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
USD791190S1 (en) 2015-07-13 2017-07-04 Eaton Corporation Rocker arm assembly
USD833482S1 (en) 2015-07-13 2018-11-13 Eaton Corporation Rocker arm
KR20180041685A (ko) * 2015-08-05 2018-04-24 이턴 인텔리전트 파워 리미티드 내부 배기가스 재순환을 위한 스위칭 로커 암
WO2018068041A1 (fr) * 2016-10-07 2018-04-12 Eaton Corporation Culbuteur à trois rouleaux ayant des rouleaux en porte-à-faux et un ressort à mouvement perdu sur une soupape ou sur un pivot de culbuteur
WO2020020492A1 (fr) * 2018-07-27 2020-01-30 Eaton Intelligent Power Limited Culbuteur de désactivation verrouillé par pivot central
US10519817B1 (en) * 2018-08-29 2019-12-31 Delphi Technologies Ip Limited Switchable rocker arm with lash adjustment and travel stop

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1338760A2 (fr) * 2002-02-26 2003-08-27 Delphi Technologies, Inc. Culbuteur à galet à 2 positions dont le galet correspondant à la gamme de levée inférieure est en forme de bobine
US20040103869A1 (en) * 2002-04-29 2004-06-03 Harris Wayne S. Lock-pin cartridge for a valve deactivation rocker arm assembly
WO2005093224A1 (fr) * 2004-03-03 2005-10-06 Timken Us Corporation Ensemble de suiveur a faible friction de commutation
WO2007035673A2 (fr) * 2005-09-16 2007-03-29 Timken Us Corporation Ensemble a doigt de poussee de commutation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286389A3 (fr) * 1987-04-07 1989-02-15 The British Internal Combustion Engine Research Institute Limited Dispositif pour régler la distribution d'une soupape
US6925978B1 (en) * 2004-08-24 2005-08-09 Delphi Technologies, Inc. Two-step roller finger cam follower having angled lock pin
US7305951B2 (en) * 2005-05-09 2007-12-11 Delphi Technologies, Inc. Two-step roller finger follower

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1338760A2 (fr) * 2002-02-26 2003-08-27 Delphi Technologies, Inc. Culbuteur à galet à 2 positions dont le galet correspondant à la gamme de levée inférieure est en forme de bobine
US20040103869A1 (en) * 2002-04-29 2004-06-03 Harris Wayne S. Lock-pin cartridge for a valve deactivation rocker arm assembly
WO2005093224A1 (fr) * 2004-03-03 2005-10-06 Timken Us Corporation Ensemble de suiveur a faible friction de commutation
WO2007035673A2 (fr) * 2005-09-16 2007-03-29 Timken Us Corporation Ensemble a doigt de poussee de commutation

Also Published As

Publication number Publication date
EP1992795A2 (fr) 2008-11-19
US20080283003A1 (en) 2008-11-20

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