EP2984325A4 - Cylinder head arrangement for variable valve actuation rocker arm assemblies - Google Patents

Cylinder head arrangement for variable valve actuation rocker arm assemblies Download PDF

Info

Publication number
EP2984325A4
EP2984325A4 EP14782089.8A EP14782089A EP2984325A4 EP 2984325 A4 EP2984325 A4 EP 2984325A4 EP 14782089 A EP14782089 A EP 14782089A EP 2984325 A4 EP2984325 A4 EP 2984325A4
Authority
EP
European Patent Office
Prior art keywords
cylinder head
rocker arm
variable valve
valve actuation
arm assemblies
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
EP14782089.8A
Other languages
German (de)
French (fr)
Other versions
EP2984325B1 (en
EP2984325A1 (en
Inventor
David Gerard Genise
Andrei Dan Radulescu
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
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 US13/868,067 external-priority patent/US9228454B2/en
Priority claimed from US13/868,068 external-priority patent/US9284859B2/en
Priority claimed from US13/868,025 external-priority patent/US8985074B2/en
Priority claimed from PCT/US2013/037667 external-priority patent/WO2013159121A1/en
Priority claimed from US13/873,797 external-priority patent/US9016252B2/en
Priority claimed from US13/873,774 external-priority patent/US9291075B2/en
Priority claimed from PCT/US2013/038896 external-priority patent/WO2013166029A1/en
Priority claimed from US14/028,337 external-priority patent/US20140283768A1/en
Priority claimed from PCT/US2013/068503 external-priority patent/WO2014071373A1/en
Priority claimed from US14/188,339 external-priority patent/US9194261B2/en
Priority claimed from PCT/US2014/019870 external-priority patent/WO2014134601A1/en
Priority to EP19155546.5A priority Critical patent/EP3502451B1/en
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP2984325A1 publication Critical patent/EP2984325A1/en
Publication of EP2984325A4 publication Critical patent/EP2984325A4/en
Publication of EP2984325B1 publication Critical patent/EP2984325B1/en
Application granted granted Critical
Active 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
    • 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
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0476—Camshaft bearings
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • 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
    • 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
EP14782089.8A 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies Active EP2984325B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19155546.5A EP3502451B1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies

Applications Claiming Priority (20)

Application Number Priority Date Filing Date Title
US201361811662P 2013-04-12 2013-04-12
US201361812707P 2013-04-16 2013-04-16
US13/868,068 US9284859B2 (en) 2010-03-19 2013-04-22 Systems, methods, and devices for valve stem position sensing
US13/868,025 US8985074B2 (en) 2010-03-19 2013-04-22 Sensing and control of a variable valve actuation system
PCT/US2013/037667 WO2013159121A1 (en) 2012-04-20 2013-04-22 Variable valve lift systems, methods, and devices
US13/868,045 US9267396B2 (en) 2010-03-19 2013-04-22 Rocker arm assembly and components therefor
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
US13/868,067 US9228454B2 (en) 2010-03-19 2013-04-22 Systems, methods and devices for rocker arm position sensing
US13/868,054 US9708942B2 (en) 2010-03-19 2013-04-22 Rocker arm assembly and components therefor
US13/868,061 US9038586B2 (en) 2010-03-19 2013-04-22 Rocker assembly having improved durability
PCT/US2013/038896 WO2013166029A1 (en) 2012-04-30 2013-04-30 Monitoring and diagnosis of variable valve actuation systems
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
US14/028,337 US20140283768A1 (en) 2008-07-22 2013-09-16 Valvetrain oil control system and oil control valve
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
US201361920297P 2013-12-23 2013-12-23
US14/188,339 US9194261B2 (en) 2011-03-18 2014-02-24 Custom VVA rocker arms for left hand and right hand orientations
PCT/US2014/019870 WO2014134601A1 (en) 2013-03-01 2014-03-03 Latch interface for a valve actuating device
PCT/US2014/033395 WO2014168988A1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19155546.5A Division-Into EP3502451B1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies
EP19155546.5A Division EP3502451B1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies

Publications (3)

Publication Number Publication Date
EP2984325A1 EP2984325A1 (en) 2016-02-17
EP2984325A4 true EP2984325A4 (en) 2017-01-25
EP2984325B1 EP2984325B1 (en) 2019-06-05

Family

ID=51689969

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14782089.8A Active EP2984325B1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies
EP19155546.5A Active EP3502451B1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19155546.5A Active EP3502451B1 (en) 2013-04-12 2014-04-08 Cylinder head arrangement for variable valve actuation rocker arm assemblies

Country Status (3)

Country Link
EP (2) EP2984325B1 (en)
CN (3) CN109306917B (en)
WO (1) WO2014168988A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US9267396B2 (en) 2010-03-19 2016-02-23 Eaton Corporation Rocker arm assembly and components therefor
US8985074B2 (en) 2010-03-19 2015-03-24 Eaton Corporation Sensing and control of a variable valve actuation system
US9581058B2 (en) 2010-08-13 2017-02-28 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
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
US9194261B2 (en) 2011-03-18 2015-11-24 Eaton Corporation Custom VVA rocker arms for left hand and right hand orientations
US11181013B2 (en) 2009-07-22 2021-11-23 Eaton Intelligent Power Limited Cylinder head arrangement for variable valve actuation rocker arm assemblies
US10087790B2 (en) 2009-07-22 2018-10-02 Eaton Corporation Cylinder head arrangement for variable valve actuation rocker arm assemblies
US9885258B2 (en) 2010-03-19 2018-02-06 Eaton Corporation Latch interface for a valve actuating device
US9874122B2 (en) 2010-03-19 2018-01-23 Eaton Corporation Rocker assembly having improved durability
USD750670S1 (en) 2013-02-22 2016-03-01 Eaton Corporation Rocker arm
EP2984325B1 (en) * 2013-04-12 2019-06-05 Eaton Corporation Cylinder head arrangement for variable valve actuation rocker arm assemblies
CN105121090A (en) 2014-03-03 2015-12-02 伊顿公司 Valve actuating device and method of making same
CN113565596A (en) * 2015-06-04 2021-10-29 伊顿公司 Electrical latch rocker arm assembly with built-in OBD function
DE102015118113A1 (en) * 2015-10-23 2017-04-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Valve train for an internal combustion engine, method for a valve train of an internal combustion engine and method for a valve clearance compensation element of a valve train
US10503181B2 (en) * 2016-01-13 2019-12-10 Honeywell International Inc. Pressure regulator
GB201710960D0 (en) * 2017-07-07 2017-08-23 Eaton Srl Actuator arrangement
EP3752720A1 (en) 2018-02-15 2020-12-23 Eaton Intelligent Power Limited Engine system and components for cylinder deactivation and early exhaust valve opening
CN113474539B (en) * 2018-12-21 2024-01-05 伊顿智能动力有限公司 Oil cooling for electromagnetic latch accommodated in rocker arm
CN110700913B (en) * 2019-09-24 2022-01-25 东风商用车有限公司 Plastic spacer bush of engine rocker shaft and manufacturing method thereof
DE102019133590A1 (en) * 2019-12-09 2021-06-10 Bayerische Motoren Werke Aktiengesellschaft Lift actuator for a variable lift valve train with two working positions
CN112131771B (en) * 2020-09-18 2022-10-11 重庆长安汽车股份有限公司 Method for predicting engine oil leakage amount of valve oil seal of automobile engine
CN112345561B (en) * 2020-11-12 2022-05-10 东方电气集团东方汽轮机有限公司 Effective flaw detection method for nuclear power welding rotor
CN114837767B (en) * 2021-01-30 2023-06-27 江苏常发农业装备股份有限公司 Lubricating mechanism for engine rocker arm and engine
CN113378319B (en) * 2021-06-24 2022-04-12 宁波蓝海量子精工轴承制造有限公司 Design method for end face grinding allowance of double-end-face asymmetric bearing ring
CN114486034B (en) * 2022-01-15 2023-05-23 重庆长安汽车股份有限公司 Method for measuring valve seating force

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB171409A (en) * 1920-11-12 1922-08-31 Childe Harold Wills Shaft retarding means
US20090084340A1 (en) * 2007-09-27 2009-04-02 Keisuke Komura Cylinder head
JP2010059821A (en) * 2008-09-02 2010-03-18 Jtekt Corp Camshaft device
DE102008062187A1 (en) * 2008-12-13 2010-06-17 Volkswagen Ag Internal combustion engine, particularly for vehicle, comprises screw pipes that are arranged at opposite ends on bearing traverses, such that bearing bores of bearing traverse, are located between screw pipes

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US4592314A (en) * 1985-04-18 1986-06-03 Yamaha Hatsudoki Kabushiki Kaisha Valve actuating mechanism for internal combustion engine
US6053134A (en) * 1998-08-28 2000-04-25 Linebarger; Terry Glyn Cam operating system
JP3788437B2 (en) * 2003-03-20 2006-06-21 日産自動車株式会社 Internal combustion engine and integrated cam bracket thereof
JP3767595B2 (en) * 2003-10-10 2006-04-19 日産自動車株式会社 Cam angle sensor mounting structure for internal combustion engine
JP4304255B2 (en) * 2003-12-09 2009-07-29 日産自動車株式会社 Variable valve mechanism for internal combustion engine
EP1731720A2 (en) * 2005-06-06 2006-12-13 Yamaha Hatsudoki Kabushiki Kaisha Method of mounting camshaft
JP4238874B2 (en) * 2006-01-19 2009-03-18 トヨタ自動車株式会社 Camshaft support structure for internal combustion engine
EP1905967B1 (en) * 2006-09-25 2009-12-16 Honda Motor Co., Ltd. Variable valve lift internal combustion engine
JP4270314B2 (en) * 2007-09-27 2009-05-27 三菱自動車工業株式会社 cylinder head
MX2011000898A (en) 2008-07-22 2011-03-15 Eaton Corp Valvetrain oil control system and oil control valve.
US8166939B2 (en) * 2009-03-05 2012-05-01 GM Global Technology Operations LLC Cam bearing surface of an engine cylinder head that includes an axially extending oil passage
CN202732015U (en) * 2012-08-14 2013-02-13 北京长源朗弘科技有限公司 Overhead camshaft cylinder cover
EP2984325B1 (en) * 2013-04-12 2019-06-05 Eaton Corporation Cylinder head arrangement for variable valve actuation rocker arm assemblies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB171409A (en) * 1920-11-12 1922-08-31 Childe Harold Wills Shaft retarding means
US20090084340A1 (en) * 2007-09-27 2009-04-02 Keisuke Komura Cylinder head
JP2010059821A (en) * 2008-09-02 2010-03-18 Jtekt Corp Camshaft device
DE102008062187A1 (en) * 2008-12-13 2010-06-17 Volkswagen Ag Internal combustion engine, particularly for vehicle, comprises screw pipes that are arranged at opposite ends on bearing traverses, such that bearing bores of bearing traverse, are located between screw pipes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014168988A1 *

Also Published As

Publication number Publication date
EP2984325B1 (en) 2019-06-05
WO2014168988A9 (en) 2015-08-06
CN204152661U (en) 2015-02-11
EP3502451B1 (en) 2021-11-10
CN109306917B (en) 2021-08-13
WO2014168988A1 (en) 2014-10-16
EP2984325A1 (en) 2016-02-17
CN109306917A (en) 2019-02-05
CN104153906B (en) 2018-11-06
EP3502451A1 (en) 2019-06-26
CN104153906A (en) 2014-11-19

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