EP3397844A4 - Diskrete variable ventilhubsysteme und verfahren - Google Patents

Diskrete variable ventilhubsysteme und verfahren Download PDF

Info

Publication number
EP3397844A4
EP3397844A4 EP16882398.7A EP16882398A EP3397844A4 EP 3397844 A4 EP3397844 A4 EP 3397844A4 EP 16882398 A EP16882398 A EP 16882398A EP 3397844 A4 EP3397844 A4 EP 3397844A4
Authority
EP
European Patent Office
Prior art keywords
methods
variable valve
valve lift
engine systems
discrete variable
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Withdrawn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
EP16882398.7A
Other languages
English (en)
French (fr)
Other versions
EP3397844A1 (de
Inventor
Jr. James Edward Mccarthy
Edwin Scott BROWNELL
Nikhil K. SAGGAM
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
Application filed by Eaton Intelligent Power Ltd filed Critical Eaton Intelligent Power Ltd
Publication of EP3397844A1 publication Critical patent/EP3397844A1/de
Publication of EP3397844A4 publication Critical patent/EP3397844A4/de
Withdrawn legal-status Critical Current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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0223—Variable control of the intake valves only
    • F02D13/0226—Variable control of the intake valves only changing valve lift or valve lift and timing
    • F02D13/023—Variable control of the intake valves only changing valve lift or valve lift and timing the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related
    • 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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L2001/467—Lost motion springs
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • 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
    • F01L2820/01—Absolute values
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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)
EP16882398.7A 2015-12-28 2016-12-21 Diskrete variable ventilhubsysteme und verfahren Withdrawn EP3397844A4 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562271391P 2015-12-28 2015-12-28
US201662279976P 2016-01-18 2016-01-18
US201662349983P 2016-06-14 2016-06-14
US201662350621P 2016-06-15 2016-06-15
IN201611029817 2016-08-31
PCT/US2016/068118 WO2017116917A1 (en) 2015-12-28 2016-12-21 Discrete variable valve lift engine systems and methods

Publications (2)

Publication Number Publication Date
EP3397844A1 EP3397844A1 (de) 2018-11-07
EP3397844A4 true EP3397844A4 (de) 2019-08-21

Family

ID=59225179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16882398.7A Withdrawn EP3397844A4 (de) 2015-12-28 2016-12-21 Diskrete variable ventilhubsysteme und verfahren

Country Status (4)

Country Link
US (1) US20180306072A1 (de)
EP (1) EP3397844A4 (de)
CN (1) CN108603420B (de)
WO (2) WO2017116918A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017189626A1 (en) * 2016-04-25 2017-11-02 Eaton Corporation Valvetrain with variable valve actuation
CN110719991B (zh) 2017-04-28 2023-05-09 伊顿智能动力有限公司 通过靴形气门升程曲线进行后处理温度管理
GB201710962D0 (en) * 2017-07-07 2017-08-23 Eaton Srl Rocker arm
EP3649328B1 (de) 2017-07-10 2021-12-29 Eaton Intelligent Power Limited Schaltrollenschlepphebel für einen ventiltrieb
JP7004817B2 (ja) * 2017-11-10 2022-01-21 ジェイコブス ビークル システムズ、インコーポレイテッド ロスト・モーション機関系におけるラッシ調整
US10774693B2 (en) * 2018-10-04 2020-09-15 Jacobs Vehicle Systems, Inc. Variable length piston assemblies for engine valve actuation systems
US12025036B2 (en) 2020-02-07 2024-07-02 Eaton Intelligent Power Limited Cylinder deactivation mechanisms for pushrod valve train systems and rocker arms
FR3117541B1 (fr) 2020-12-16 2023-05-19 Renault Sas Procédé et système de diagnostic d’une distribution variable d’un moteur à combustion variable équipant un véhicule automobile
US12025037B2 (en) 2021-03-05 2024-07-02 Eaton Intelligent Power Limited Bidirectional latch pin assembly, switchable rocker arm, and valvetrain assembly
WO2023030691A1 (en) * 2021-09-03 2023-03-09 Eaton Intelligent Power Limited Roller finger follower with pivot body and outer arm
US20230212965A1 (en) * 2022-01-05 2023-07-06 Deere & Company Engine braking system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060185646A1 (en) * 2003-02-20 2006-08-24 Bernhard Heel Method for controlling an inlet valve of an internal combustion engine
US20110139099A1 (en) * 2009-12-15 2011-06-16 Delphi Technologies, Inc. Dual Intake Valve System with One Deactivation Valve and One Multi-Lift Valve for Swirl Enhancement
EP2672092A1 (de) * 2011-01-31 2013-12-11 Nissan Motor Co., Ltd Verbrennungsmotor
US20150267574A1 (en) * 2010-08-13 2015-09-24 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314928B1 (en) * 2000-12-06 2001-11-13 Ford Global Technologies, Inc. Rocker arm assembly
JP4682697B2 (ja) * 2005-05-25 2011-05-11 マツダ株式会社 エンジンの吸気制御装置
US7677213B2 (en) * 2005-08-04 2010-03-16 Timken Us Llc Deactivating roller finger follower
US7565896B1 (en) * 2008-02-28 2009-07-28 Jacobs Vehicle Systems, Inc. Method for variable valve actuation to provide positive power and engine braking
JP2010059791A (ja) * 2008-09-01 2010-03-18 Hitachi Automotive Systems Ltd 可変動弁機構の制御装置及び可変動弁制御システム
JP4702574B2 (ja) * 2009-11-06 2011-06-15 三菱自動車工業株式会社 内燃機関の可変動弁装置
EP2547874B1 (de) * 2010-03-19 2014-10-08 Eaton Corporation Kipphebel mit umschaltfunktion
JP5589687B2 (ja) * 2010-09-06 2014-09-17 トヨタ自動車株式会社 エンジンの制御装置
JP5720503B2 (ja) * 2011-09-06 2015-05-20 トヨタ自動車株式会社 可変動弁装置
WO2013067506A1 (en) * 2011-11-06 2013-05-10 Eaton Corporation Latch pin assembly; rocker arm arrangement using latch pin assembly; and assembling methods
US8939118B2 (en) * 2011-12-09 2015-01-27 Chrysler Group Llc Rocker arm providing cylinder deactivation
KR20150010750A (ko) * 2012-04-20 2015-01-28 이턴 코포레이션 가변 밸브 리프트 시스템, 방법 및 장치
CN104903553B (zh) * 2012-11-05 2019-04-19 伊顿公司 用于内燃发动机中的气缸停闭的转换辊式指状随动件的开发

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060185646A1 (en) * 2003-02-20 2006-08-24 Bernhard Heel Method for controlling an inlet valve of an internal combustion engine
US20110139099A1 (en) * 2009-12-15 2011-06-16 Delphi Technologies, Inc. Dual Intake Valve System with One Deactivation Valve and One Multi-Lift Valve for Swirl Enhancement
US20150267574A1 (en) * 2010-08-13 2015-09-24 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
EP2672092A1 (de) * 2011-01-31 2013-12-11 Nissan Motor Co., Ltd Verbrennungsmotor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017116917A1 *

Also Published As

Publication number Publication date
US20180306072A1 (en) 2018-10-25
EP3397844A1 (de) 2018-11-07
CN108603420B (zh) 2021-11-09
WO2017116917A1 (en) 2017-07-06
CN108603420A (zh) 2018-09-28
WO2017116918A1 (en) 2017-07-06

Similar Documents

Publication Publication Date Title
EP3397844A4 (de) Diskrete variable ventilhubsysteme und verfahren
EP3337425A4 (de) Implantierbares ventil und verfahren
EP3251207A4 (de) System und verfahren eines fluidischen aktuators
EP3292331A4 (de) Ölgesteuertes ventil
EP3712433A4 (de) Kapazitätssteuerventil und verfahren zur steuerung des kapazitätssteuerungsventils
EP3092377A4 (de) Ölflusskontrolle für einen motorventilheber und verdrehsicherung
EP3015756B8 (de) Drosselventil
EP3489555A4 (de) Drosselventil
EP3288492A4 (de) Vorrichtungen und verfahren für herzklappenersatz
EP3406947A4 (de) Ventil
EP3362662A4 (de) Referenzwertmotorsteuerungssysteme und -verfahren
EP3289256A4 (de) Tellerventilsystem und -verfahren
EP3362663A4 (de) Referenzwertmotorsteuerungssysteme und -verfahren
EP3511558A4 (de) Motorsteuerungsverfahren und steuerungsvorrichtung
EP3304798A4 (de) Adaptive mehrträgerfilteransprechsysteme und verfahren
EP3247893A4 (de) Brennkraftmaschine, verbrennungssysteme sowie entsprechende verfahren und steuerungsverfahren und -systeme
EP3399219A4 (de) Ablassventil
EP3369913A4 (de) Stillstandreduzierungssteuerungsverfahren und stillstandreduzierungssteuerungsvorrichtung
EP3663617A4 (de) Ventil
EP3088776A4 (de) Kegelventil und verfahren zur herstellung davon
EP3338012A4 (de) Drosselventile mit axialdichtung
EP3392476A4 (de) Stufenloses ventilhubsystem und kraftfahrzeug
EP3700832A4 (de) Ventil
EP3287626A4 (de) Motorsteuerungsvorrichtung und motorsteuerungsverfahren
EP3486470A4 (de) Motorsteuerungsverfahren und steuerungsvorrichtung

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180728

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20190724

RIC1 Information provided on ipc code assigned before grant

Ipc: F01L 1/46 20060101ALI20190718BHEP

Ipc: F01L 1/08 20060101ALI20190718BHEP

Ipc: F01L 1/24 20060101ALI20190718BHEP

Ipc: F02D 13/02 20060101ALI20190718BHEP

Ipc: F01L 13/00 20060101ALI20190718BHEP

Ipc: F01L 1/18 20060101AFI20190718BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20200804

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20230120