EP3039256A4 - Method for optimizing response time of hydraulic latch-pin in cylinder deactivation rocker arm - Google Patents

Method for optimizing response time of hydraulic latch-pin in cylinder deactivation rocker arm Download PDF

Info

Publication number
EP3039256A4
EP3039256A4 EP14840581.4A EP14840581A EP3039256A4 EP 3039256 A4 EP3039256 A4 EP 3039256A4 EP 14840581 A EP14840581 A EP 14840581A EP 3039256 A4 EP3039256 A4 EP 3039256A4
Authority
EP
European Patent Office
Prior art keywords
pin
response time
rocker arm
cylinder deactivation
hydraulic latch
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
EP14840581.4A
Other languages
German (de)
French (fr)
Other versions
EP3039256A1 (en
EP3039256B1 (en
Inventor
Andrei D. Radulescu
Venkateswaran Krishnasamy
Pavan Chandras
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 Corp
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
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP3039256A1 publication Critical patent/EP3039256A1/en
Publication of EP3039256A4 publication Critical patent/EP3039256A4/en
Application granted granted Critical
Publication of EP3039256B1 publication Critical patent/EP3039256B1/en
Not-in-force 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
    • F01L13/0005—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
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • 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)
EP14840581.4A 2013-08-30 2014-09-02 Method for optimizing response time of hydraulic latch-pin in cylinder deactivation rocker arm Not-in-force EP3039256B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361872624P 2013-08-30 2013-08-30
US201361872621P 2013-08-30 2013-08-30
US201361898475P 2013-11-01 2013-11-01
PCT/US2014/053689 WO2015031887A1 (en) 2013-08-30 2014-09-02 Method for optimizing response time of hydraulic latch-pin in cylinder deactivation rocker arm

Publications (3)

Publication Number Publication Date
EP3039256A1 EP3039256A1 (en) 2016-07-06
EP3039256A4 true EP3039256A4 (en) 2017-04-19
EP3039256B1 EP3039256B1 (en) 2018-03-21

Family

ID=52587411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14840581.4A Not-in-force EP3039256B1 (en) 2013-08-30 2014-09-02 Method for optimizing response time of hydraulic latch-pin in cylinder deactivation rocker arm

Country Status (4)

Country Link
US (1) US20160169064A1 (en)
EP (1) EP3039256B1 (en)
CN (1) CN105378236B (en)
WO (1) WO2015031887A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212016000178U1 (en) 2015-09-25 2018-06-01 Eaton Intelligent Power Limited Control for cylinder deactivation
WO2017127219A1 (en) 2016-01-19 2017-07-27 Eaton Corporation Cylinder deactivation and engine braking for thermal management
EP3445956B1 (en) 2016-04-21 2021-01-06 Eaton Intelligent Power Limited Valve train assembly
WO2017194291A1 (en) * 2016-05-12 2017-11-16 Eaton Srl Rocker arm
US11187162B2 (en) 2016-08-17 2021-11-30 Eaton Intelligent Power Limited Extended coast and controlled deceleration using cylinder deactivation
CN115263580A (en) 2016-08-17 2022-11-01 伊顿智能动力有限公司 Gear selection with cylinder deactivation
CN114599863B (en) * 2019-11-20 2023-12-26 伊顿智能动力有限公司 Latch assembly, latch device and rocker arm
KR20230173470A (en) 2022-06-17 2023-12-27 현대자동차주식회사 CDA Rocker Arm System with Oil Double Supply Line and Method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070193543A1 (en) * 2004-02-18 2007-08-23 Gen Tek Technologies Marketing Inc. Valve deactivation device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5431133A (en) * 1994-05-31 1995-07-11 General Motors Corporation Low mass two-step valve lifter
US6588394B2 (en) * 2000-09-22 2003-07-08 Delphi Technologies, Inc. Model-based control of a solenoid-operated hydraulic actuator for engine cylinder deactivation
US6966291B1 (en) * 2004-10-28 2005-11-22 Delphi Technologies, Inc. Latch timing mechanism for a two-step roller finger cam follower
US7484487B2 (en) * 2005-11-21 2009-02-03 Eaton Corporation Dual lift rocker arm latch mechanism and actuation arrangement therefor
US7121241B1 (en) * 2006-01-10 2006-10-17 Eaton Corporation Valve control system including deactivating rocker arm
WO2011116331A2 (en) * 2010-03-19 2011-09-22 Eaton Corporation Switching rocker arm
EP2773855B1 (en) * 2011-11-06 2019-01-02 Eaton Corporation Latch pin assembly; rocker arm arrangement using latch pin assembly; and assembling method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070193543A1 (en) * 2004-02-18 2007-08-23 Gen Tek Technologies Marketing Inc. Valve deactivation device

Also Published As

Publication number Publication date
CN105378236B (en) 2018-10-12
WO2015031887A1 (en) 2015-03-05
EP3039256A1 (en) 2016-07-06
CN105378236A (en) 2016-03-02
EP3039256B1 (en) 2018-03-21
US20160169064A1 (en) 2016-06-16

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