EP1616082A1 - Rocker arm of a valve gear of a combustion engine - Google Patents
Rocker arm of a valve gear of a combustion engineInfo
- Publication number
- EP1616082A1 EP1616082A1 EP04759598A EP04759598A EP1616082A1 EP 1616082 A1 EP1616082 A1 EP 1616082A1 EP 04759598 A EP04759598 A EP 04759598A EP 04759598 A EP04759598 A EP 04759598A EP 1616082 A1 EP1616082 A1 EP 1616082A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- slide
- blind bore
- arms
- drag
- 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
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
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20882—Rocker arms
Definitions
- the slide is displaced in only one displacement direction via the hydraulic fluid pressure and in its other direction via the force of a spring means such as a helical compression spring.
- a spring means such as a helical compression spring.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Mechanically-Actuated Valves (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10318295A DE10318295A1 (en) | 2003-04-23 | 2003-04-23 | Drag lever of a valve train of an internal combustion engine |
PCT/EP2004/002369 WO2004094791A1 (en) | 2003-04-23 | 2004-03-09 | Rocker arm of a valve gear of a combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1616082A1 true EP1616082A1 (en) | 2006-01-18 |
EP1616082B1 EP1616082B1 (en) | 2010-11-10 |
Family
ID=33154347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04759598A Expired - Lifetime EP1616082B1 (en) | 2003-04-23 | 2004-03-09 | Rocker arm of a valve gear of a combustion engine |
Country Status (5)
Country | Link |
---|---|
US (1) | US7328675B2 (en) |
EP (1) | EP1616082B1 (en) |
AT (1) | ATE487852T1 (en) |
DE (2) | DE10318295A1 (en) |
WO (1) | WO2004094791A1 (en) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004041318A1 (en) * | 2004-08-26 | 2006-04-27 | Ina-Schaeffler Kg | As a tilting or rocking lever trained cam follower for a valve train of an internal combustion engine |
DE102004051422A1 (en) * | 2004-10-22 | 2006-05-24 | Schaeffler Kg | Switchable drag lever |
DE102005006056A1 (en) * | 2005-02-10 | 2006-08-24 | Daimlerchrysler Ag | Device for coupling or decoupling two actuators of a valve train of an internal combustion engine and method thereof |
DE102005006954A1 (en) | 2005-02-16 | 2006-08-17 | Schaeffler Kg | Switchable drag lever of a valve train of an internal combustion engine |
DE102006004750A1 (en) | 2005-04-11 | 2006-10-12 | Schaeffler Kg | Valve drive component (sic) for transfer of stroke by cam projections on gas change valve, internal combustion engines has protection layer of at least one metal-free amorphous hydrocarbon layer with sp2 and sp3 carbon |
DE102005017409A1 (en) * | 2005-04-15 | 2006-10-19 | Schaeffler Kg | Outer part of a switchable tappet |
US7530338B2 (en) * | 2005-04-26 | 2009-05-12 | Chrysler Llc | Valvetrain system for an engine |
DE102005035053A1 (en) * | 2005-07-27 | 2007-02-01 | Schaeffler Kg | Cam follower for valve operating mechanism of internal combustion engine, has first and second piston which is arranged as a coupling means, their displacement is present in over hydraulic medium pressure |
ATE524638T1 (en) * | 2005-09-16 | 2011-09-15 | Koyo Bearings Usa Llc | SHIFT TRAILER ARRANGEMENT |
US7484487B2 (en) | 2005-11-21 | 2009-02-03 | Eaton Corporation | Dual lift rocker arm latch mechanism and actuation arrangement therefor |
US8132551B2 (en) | 2006-04-21 | 2012-03-13 | Schaeffler Kg | Switchable cam follower of a valve train assembly of an internal combustion engine |
DE102006046574B4 (en) * | 2006-09-30 | 2017-12-28 | Schaeffler Technologies AG & Co. KG | Switchable drag lever of a valve train of an internal combustion engine |
KR100867842B1 (en) * | 2006-10-10 | 2008-11-10 | 현대자동차주식회사 | Various valve lift follower for vehicle |
US7621241B2 (en) | 2007-01-23 | 2009-11-24 | Gm Global Technology Operations, Inc. | Hydraulic-pressure actuated locking mechanism and method |
DE102007025182A1 (en) | 2007-05-30 | 2008-12-04 | Schaeffler Kg | Switchable cam follower for valve train of internal combustion engine, has two levers, which are mounted together in hinge bearing around axis of rotation in pivotably moving manner |
DE102007029465A1 (en) * | 2007-06-26 | 2009-01-08 | Schaeffler Kg | Switchable drag lever of a valve train of an internal combustion engine |
DE102008008094B3 (en) * | 2008-02-08 | 2009-05-14 | Meta Motoren- Und Energie-Technik Gmbh | Valve lever assembly for piston combustion engines for changing valve timing of intake valve, has adjustable valve operating unit for working with cam shaft having two cams, and eccentric opening is provided |
DE102010019071A1 (en) * | 2009-06-01 | 2011-01-13 | Schaeffler Technologies Gmbh & Co. Kg | Switchable drag lever |
KR101209719B1 (en) * | 2009-06-04 | 2012-12-07 | 현대자동차주식회사 | Variable valve lift apparatus that is equipped with swing arm |
DE102009035531A1 (en) * | 2009-07-31 | 2011-02-03 | Schaeffler Technologies Gmbh & Co. Kg | Switchable drag lever |
US8584630B2 (en) * | 2010-03-30 | 2013-11-19 | Schaeffler Technologies AG & Co. KG | Switchable roller finger follower assembly |
CN102235201B (en) * | 2010-05-06 | 2015-03-25 | 现代自动车株式会社 | Variable valve lift apparatus |
DE102011002566A1 (en) * | 2011-01-12 | 2012-07-12 | Schaeffler Technologies Gmbh & Co. Kg | Switchable drag lever |
DE102011007450A1 (en) * | 2011-04-15 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Cam follower of a valve train and method for its production |
US8627796B2 (en) | 2011-04-21 | 2014-01-14 | Eaton Corporation | Pivot foot for deactivating rocker arm |
US20130206090A1 (en) * | 2012-02-03 | 2013-08-15 | Schaeffler Technologies Ag & Co Kg | Combined outer arm manufacturing for spring over pivot three arm switchable roller finger follower |
SE537693C2 (en) * | 2013-03-11 | 2015-09-29 | Scania Cv Ab | Cam follower for a valve lift device in an internal combustion engine |
CN103711538B (en) * | 2013-12-17 | 2016-02-03 | 绵阳富临精工机械股份有限公司 | A kind of engine air valve continuously variable rocker arm system |
KR20160057761A (en) * | 2014-11-14 | 2016-05-24 | 현대자동차주식회사 | Variable valve lift appratus |
DE102015221011A1 (en) | 2015-01-20 | 2016-07-21 | Schaeffler Technologies AG & Co. KG | Switchable drag lever for a valve train of an internal combustion engine and method for producing a primary lever for a switchable rocker arm |
EP3314097B1 (en) * | 2015-06-29 | 2020-04-29 | Eaton Corporation | Switching rocker arm for internal exhaust gas recirculation with simple latch control |
USD833482S1 (en) | 2015-07-13 | 2018-11-13 | Eaton Corporation | Rocker arm |
USD791190S1 (en) | 2015-07-13 | 2017-07-04 | Eaton Corporation | Rocker arm assembly |
WO2017050324A1 (en) * | 2015-09-22 | 2017-03-30 | Schaeffler Technologies AG & Co. KG | Lever which can be loaded by a cam for actuating gas exchange valves of an internal combustion engine |
KR102394575B1 (en) | 2017-11-20 | 2022-05-04 | 현대자동차 주식회사 | Continuous variable vavle duration apparatus and engine provided with the same |
USD830414S1 (en) | 2015-12-10 | 2018-10-09 | Eaton S.R.L. | Roller rocker arm of an engine |
US10920679B2 (en) | 2015-12-11 | 2021-02-16 | Hyundai Motor Company | Method for controlling of valve timing of continuous variable valve duration engine |
US10006322B2 (en) | 2016-04-26 | 2018-06-26 | Hyundai Motor Company | Variable valve lift apparatus |
DE102020112639A1 (en) | 2020-05-11 | 2021-11-11 | Schaeffler Technologies AG & Co. KG | Roller finger followers and method of manufacturing a roller finger follower |
US11691558B2 (en) * | 2020-11-19 | 2023-07-04 | Arthur Joseph Elftmann, JR. | Load securing tie down clamp |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203397A (en) * | 1978-06-14 | 1980-05-20 | Eaton Corporation | Engine valve control mechanism |
JPH027204Y2 (en) * | 1984-12-25 | 1990-02-21 | ||
DE4212844A1 (en) * | 1992-04-16 | 1993-10-21 | Audi Ag | Valve actuation mechanism for an internal combustion engine |
DE4321308C1 (en) * | 1993-06-26 | 1994-07-21 | Audi Ag | Activating engine valve for engines |
DE4410288C1 (en) * | 1994-03-24 | 1995-06-14 | Audi Ag | Valve actuation device for IC engine |
DE19606796A1 (en) * | 1995-05-05 | 1996-11-07 | Audi Ag | Coupling levers to shaft in IC engine |
US5653198A (en) * | 1996-01-16 | 1997-08-05 | Ford Motor Company | Finger follower rocker arm system |
US5623897A (en) * | 1996-03-22 | 1997-04-29 | Eaton Corporation | Engine valve control system using a latchable rocker arm activated by a solenoid mechanism |
US5655488A (en) | 1996-07-22 | 1997-08-12 | Eaton Corporation | Dual event valve control system |
US6314928B1 (en) * | 2000-12-06 | 2001-11-13 | Ford Global Technologies, Inc. | Rocker arm assembly |
US6318318B1 (en) * | 2001-05-15 | 2001-11-20 | Ford Global Technologies, Inc. | Rocker arm assembly |
US6532920B1 (en) * | 2002-02-08 | 2003-03-18 | Ford Global Technologies, Inc. | Multipositional lift rocker arm assembly |
-
2003
- 2003-04-23 DE DE10318295A patent/DE10318295A1/en not_active Withdrawn
-
2004
- 2004-03-09 AT AT04759598T patent/ATE487852T1/en active
- 2004-03-09 US US10/554,346 patent/US7328675B2/en not_active Expired - Fee Related
- 2004-03-09 DE DE502004011872T patent/DE502004011872D1/en not_active Expired - Lifetime
- 2004-03-09 EP EP04759598A patent/EP1616082B1/en not_active Expired - Lifetime
- 2004-03-09 WO PCT/EP2004/002369 patent/WO2004094791A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2004094791A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2004094791A1 (en) | 2004-11-04 |
DE502004011872D1 (en) | 2010-12-23 |
EP1616082B1 (en) | 2010-11-10 |
ATE487852T1 (en) | 2010-11-15 |
US20070006837A1 (en) | 2007-01-11 |
DE10318295A1 (en) | 2004-11-11 |
US7328675B2 (en) | 2008-02-12 |
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