EP3526452A4 - Auxiliary framework for electrically latched rocker arms - Google Patents

Auxiliary framework for electrically latched rocker arms Download PDF

Info

Publication number
EP3526452A4
EP3526452A4 EP17861524.1A EP17861524A EP3526452A4 EP 3526452 A4 EP3526452 A4 EP 3526452A4 EP 17861524 A EP17861524 A EP 17861524A EP 3526452 A4 EP3526452 A4 EP 3526452A4
Authority
EP
European Patent Office
Prior art keywords
rocker arms
auxiliary framework
electrically latched
latched rocker
electrically
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.)
Pending
Application number
EP17861524.1A
Other languages
German (de)
French (fr)
Other versions
EP3526452A1 (en
Inventor
Doug Hughes
Dale Arden Stretch
Matthew Busdiecker
Michael Campbell
Petr LISKAR
Jiri Cecrle
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 Intelligent Power 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
Priority claimed from US15/432,026 external-priority patent/US11002156B2/en
Application filed by Eaton Intelligent Power Ltd filed Critical Eaton Intelligent Power Ltd
Publication of EP3526452A1 publication Critical patent/EP3526452A1/en
Publication of EP3526452A4 publication Critical patent/EP3526452A4/en
Pending 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
    • 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
    • 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
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/10—Auxiliary actuators for variable valve timing
    • F01L2013/101—Electromagnets
    • 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)
EP17861524.1A 2016-10-17 2017-10-16 Auxiliary framework for electrically latched rocker arms Pending EP3526452A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662409263P 2016-10-17 2016-10-17
US201762449174P 2017-01-23 2017-01-23
US15/432,026 US11002156B2 (en) 2015-08-18 2017-02-14 Non-contacting actuator for rocker arm assembly latches
US201762488747P 2017-04-22 2017-04-22
PCT/US2017/056762 WO2018075392A1 (en) 2016-10-17 2017-10-16 Auxiliary framework for electrically latched rocker arms

Publications (2)

Publication Number Publication Date
EP3526452A1 EP3526452A1 (en) 2019-08-21
EP3526452A4 true EP3526452A4 (en) 2020-05-27

Family

ID=62019041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17861524.1A Pending EP3526452A4 (en) 2016-10-17 2017-10-16 Auxiliary framework for electrically latched rocker arms

Country Status (3)

Country Link
EP (1) EP3526452A4 (en)
CN (1) CN109996937B (en)
WO (1) WO2018075392A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11125125B2 (en) * 2017-05-08 2021-09-21 Eaton Intelligent Power Limited Leaf spring sliding contact for electrically actuated rocker arm assembly
EP3899216A1 (en) * 2018-12-21 2021-10-27 Eaton Intelligent Power Limited Oil cooling for electromagnetic latch housed in rocker arm
US20220235677A1 (en) * 2019-05-17 2022-07-28 Eaton Intelligent Power Limited Valvetrain power tranfer module with shortened leaf-spring contact

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544626A (en) * 1995-03-09 1996-08-13 Ford Motor Company Finger follower rocker arm with engine valve deactivator
US6499451B1 (en) * 2001-12-17 2002-12-31 Delphi Technologies, Inc. Control system for variable activation of intake valves in an internal combustion engine
EP1408203A2 (en) * 2002-10-10 2004-04-14 Ford Global Technologies, LLC A cam cover gasket
WO2016028812A1 (en) * 2014-08-18 2016-02-25 Eaton Corporation Valvetrain with rocker arm housing magnetically actuated latch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943728C2 (en) * 1989-12-11 1995-07-13 Porsche Ag Cylinder head of an internal combustion engine
US5570665A (en) * 1995-04-04 1996-11-05 Chrysler Corporation Valve train for internal combustion engine
US6622675B1 (en) * 2002-04-22 2003-09-23 Borgwarner Inc. Dual PWM control of a center mounted spool value to control a cam phaser
US6895925B2 (en) * 2002-09-18 2005-05-24 Daimlerchrysler Corporation Internal combustion engine having three valves per cylinder
EP2050933A1 (en) * 2007-10-17 2009-04-22 Delphi Technologies, Inc. Valve operating system comprising a two-step roller finger follower
US20130228235A1 (en) * 2012-03-05 2013-09-05 Eaton Corporation Lubricating valve train carrier
WO2015006197A1 (en) * 2013-07-10 2015-01-15 Borgwarner Inc. Positional control of actuator shaft for e-phaser and method of calibration
WO2018075342A1 (en) * 2016-10-17 2018-04-26 Eaton Corporation Obd based on magnetic circuit feedback

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544626A (en) * 1995-03-09 1996-08-13 Ford Motor Company Finger follower rocker arm with engine valve deactivator
US6499451B1 (en) * 2001-12-17 2002-12-31 Delphi Technologies, Inc. Control system for variable activation of intake valves in an internal combustion engine
EP1408203A2 (en) * 2002-10-10 2004-04-14 Ford Global Technologies, LLC A cam cover gasket
WO2016028812A1 (en) * 2014-08-18 2016-02-25 Eaton Corporation Valvetrain with rocker arm housing magnetically actuated latch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018075392A1 *

Also Published As

Publication number Publication date
WO2018075392A1 (en) 2018-04-26
EP3526452A1 (en) 2019-08-21
CN109996937B (en) 2021-09-17
CN109996937A (en) 2019-07-09

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