EP3289190A4 - Switching rocker arm assembly having eccentric axle for lash adjustment - Google Patents
Switching rocker arm assembly having eccentric axle for lash adjustment Download PDFInfo
- Publication number
- EP3289190A4 EP3289190A4 EP16787046.8A EP16787046A EP3289190A4 EP 3289190 A4 EP3289190 A4 EP 3289190A4 EP 16787046 A EP16787046 A EP 16787046A EP 3289190 A4 EP3289190 A4 EP 3289190A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- rocker arm
- arm assembly
- switching rocker
- eccentric axle
- lash adjustment
- 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- Withdrawn
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
- 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
- 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
- F01L1/20—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
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562153004P | 2015-04-27 | 2015-04-27 | |
PCT/US2016/029515 WO2016176300A1 (en) | 2015-04-27 | 2016-04-27 | Switching rocker arm assembly having eccentric axle for lash adjustment |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3289190A1 EP3289190A1 (en) | 2018-03-07 |
EP3289190A4 true EP3289190A4 (en) | 2019-01-02 |
Family
ID=57199734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16787046.8A Withdrawn EP3289190A4 (en) | 2015-04-27 | 2016-04-27 | Switching rocker arm assembly having eccentric axle for lash adjustment |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180045081A1 (en) |
EP (1) | EP3289190A4 (en) |
JP (1) | JP2018514688A (en) |
KR (1) | KR20170140263A (en) |
CN (1) | CN107532485A (en) |
WO (1) | WO2016176300A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10253657B2 (en) * | 2017-02-20 | 2019-04-09 | Delphi Technologies Ip Limited | Switchable rocker arm with a travel stop |
WO2018207019A1 (en) * | 2017-05-12 | 2018-11-15 | Eaton Intelligent Power Limited | Switchablen rocker arm with central springs |
DE102017113481A1 (en) * | 2017-06-20 | 2018-12-20 | Schaeffler Technologies AG & Co. KG | Disconnectable rocker arm for a valve train of an internal combustion engine |
GB201721554D0 (en) * | 2017-12-21 | 2018-02-07 | Eaton Srl | Rocker arm |
DE102018102778A1 (en) * | 2018-02-08 | 2019-08-08 | Schaeffler Technologies AG & Co. KG | Switchable cam follower of a valve train of an internal combustion engine |
US10472998B2 (en) * | 2018-02-16 | 2019-11-12 | Delphi Technologies Ip Limited | Switchable rocker arm with lash adjustment |
EP3755888A1 (en) | 2018-02-23 | 2020-12-30 | Eaton Intelligent Power Limited | Switching roller finger follower with re-settable starting position |
US10519817B1 (en) | 2018-08-29 | 2019-12-31 | Delphi Technologies Ip Limited | Switchable rocker arm with lash adjustment and travel stop |
BR112021010547A2 (en) * | 2018-12-06 | 2021-08-24 | Jacobs Vehicle Systems, Inc. | Follower rocker for single source lobe switching and lost motion |
US11208921B2 (en) * | 2018-12-06 | 2021-12-28 | Jacobs Vehicle Systems, Inc. | Finger follower for lobe switching and single source lost motion |
US11300014B2 (en) * | 2018-12-06 | 2022-04-12 | Jacobs Vehicle Systems, Inc. | Valve actuation system comprising finger follower for lobe switching and single source lost motion |
US10900385B2 (en) * | 2019-01-29 | 2021-01-26 | Delphi Technologies Ip Limited | Switchable rocker arm |
DE102020122920A1 (en) * | 2020-09-02 | 2022-03-03 | Schaeffler Technologies AG & Co. KG | Switchable rocker arm for a valve drive of an internal combustion engine |
WO2023285901A1 (en) * | 2021-07-12 | 2023-01-19 | Jacobs Vehicle Systems, Inc. | Valve actuation system comprising finger follower for lobe switching and single source lost motion |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB113428A (en) * | 1917-01-27 | 1918-05-16 | Victor Jules Jouffret Henri | |
DE4220816A1 (en) * | 1992-06-25 | 1994-01-05 | Schaeffler Waelzlager Kg | Adjustable valve control for IC engine - has adjustable intermediate member between cam and pivot lever along guide path |
JPH1136833A (en) * | 1997-07-22 | 1999-02-09 | Otix:Kk | Variable valve system mechanism |
EP2418359A1 (en) * | 2010-08-13 | 2012-02-15 | Eaton Corporation | Single lobe deactivating rocker arm |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04301105A (en) * | 1991-03-28 | 1992-10-23 | Suzuki Motor Corp | Valve system of four-cycle engine |
JPH10103028A (en) * | 1996-09-27 | 1998-04-21 | Nissan Diesel Motor Co Ltd | Engine valve system |
US6382151B2 (en) * | 2000-02-24 | 2002-05-07 | Delphi Technologies, Inc. | Ring gear variable valve train device |
EP2806118B1 (en) * | 2010-03-19 | 2016-02-24 | Eaton Corporation | Switching rocker arm |
CN102588030B (en) * | 2011-01-05 | 2016-08-10 | 上海尤顺汽车部件有限公司 | The auxiliary valve driving mechanism of electromotor |
-
2016
- 2016-04-27 CN CN201680022998.2A patent/CN107532485A/en not_active Withdrawn
- 2016-04-27 WO PCT/US2016/029515 patent/WO2016176300A1/en unknown
- 2016-04-27 KR KR1020177032480A patent/KR20170140263A/en unknown
- 2016-04-27 EP EP16787046.8A patent/EP3289190A4/en not_active Withdrawn
- 2016-04-27 JP JP2017555301A patent/JP2018514688A/en active Pending
-
2017
- 2017-10-26 US US15/794,570 patent/US20180045081A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB113428A (en) * | 1917-01-27 | 1918-05-16 | Victor Jules Jouffret Henri | |
DE4220816A1 (en) * | 1992-06-25 | 1994-01-05 | Schaeffler Waelzlager Kg | Adjustable valve control for IC engine - has adjustable intermediate member between cam and pivot lever along guide path |
JPH1136833A (en) * | 1997-07-22 | 1999-02-09 | Otix:Kk | Variable valve system mechanism |
EP2418359A1 (en) * | 2010-08-13 | 2012-02-15 | Eaton Corporation | Single lobe deactivating rocker arm |
Non-Patent Citations (1)
Title |
---|
See also references of WO2016176300A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2016176300A1 (en) | 2016-11-03 |
JP2018514688A (en) | 2018-06-07 |
KR20170140263A (en) | 2017-12-20 |
US20180045081A1 (en) | 2018-02-15 |
CN107532485A (en) | 2018-01-02 |
EP3289190A1 (en) | 2018-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20171124 |
|
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: 20181203 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01L 13/00 20060101ALI20181127BHEP Ipc: F01L 1/24 20060101ALI20181127BHEP Ipc: F01L 1/46 20060101ALI20181127BHEP Ipc: F01L 1/18 20060101AFI20181127BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20190510 |