DE50312150D1 - Swivel lever for a variable-stroke valve drive - Google Patents
Swivel lever for a variable-stroke valve driveInfo
- Publication number
- DE50312150D1 DE50312150D1 DE50312150T DE50312150T DE50312150D1 DE 50312150 D1 DE50312150 D1 DE 50312150D1 DE 50312150 T DE50312150 T DE 50312150T DE 50312150 T DE50312150 T DE 50312150T DE 50312150 D1 DE50312150 D1 DE 50312150D1
- Authority
- DE
- Germany
- Prior art keywords
- variable
- valve drive
- swivel lever
- stroke valve
- stroke
- 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.)
- Expired - Lifetime
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
- F01L13/0005—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
- F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
-
- 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
- F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
- F01L2013/0068—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "BMW-Valvetronic" type
-
- 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)
- Valve-Gear Or Valve Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10235403A DE10235403A1 (en) | 2002-08-02 | 2002-08-02 | Swivel lever for a variable stroke valve train |
Publications (1)
Publication Number | Publication Date |
---|---|
DE50312150D1 true DE50312150D1 (en) | 2010-01-07 |
Family
ID=30010568
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10235403A Withdrawn DE10235403A1 (en) | 2002-08-02 | 2002-08-02 | Swivel lever for a variable stroke valve train |
DE50312150T Expired - Lifetime DE50312150D1 (en) | 2002-08-02 | 2003-07-03 | Swivel lever for a variable-stroke valve drive |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10235403A Withdrawn DE10235403A1 (en) | 2002-08-02 | 2002-08-02 | Swivel lever for a variable stroke valve train |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1387048B1 (en) |
DE (2) | DE10235403A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004008389A1 (en) | 2004-02-20 | 2005-09-08 | Bayerische Motoren Werke Ag | Valve drive for an I.C. engine comprises a first adjusting device with a cam whose radius increases or decreases over a periphery with respect to a rotating axle |
DE102006018512A1 (en) * | 2006-04-21 | 2007-10-25 | Schaeffler Kg | Roller element for a pivotable machine part |
DE102006018510A1 (en) * | 2006-04-21 | 2007-10-25 | Schaeffler Kg | Swinging arm for stroke-variable valve gear of internal combustion engine, has stroke area, where maximum width of stroke area is formed larger or equal to maximum width of idle-stroke area and larger than minimum width of idle-stroke area |
JP4766007B2 (en) * | 2007-06-14 | 2011-09-07 | トヨタ自動車株式会社 | Variable valve gear |
DE102011003900A1 (en) * | 2011-02-10 | 2012-08-16 | Schaeffler Technologies Gmbh & Co. Kg | intermediate lever |
DE102011003898B4 (en) * | 2011-02-10 | 2021-09-09 | Schaeffler Technologies AG & Co. KG | Intermediate lever |
DE102014100748B4 (en) * | 2014-01-23 | 2017-04-27 | Pierburg Gmbh | Transmission arrangement for a mechanically controllable valve train and mechanically controllable valve train |
DE102014109573A1 (en) | 2014-07-09 | 2016-01-14 | Pierburg Gmbh | Mechanically controllable valve train |
DE102015118884A1 (en) * | 2015-11-04 | 2017-05-04 | Pierburg Gmbh | Mechanically controllable valve train |
DE102016122179A1 (en) * | 2016-11-18 | 2018-05-24 | Pierburg Gmbh | Mechanically controllable valve train |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4223173A1 (en) * | 1992-07-15 | 1994-01-20 | Bayerische Motoren Werke Ag | Valve mechanism for vehicle IC engine - has different lift curves for each pair of valves per cylinder controlled by roller-actuated eccentrics |
DE4322480C2 (en) * | 1993-07-06 | 1996-05-02 | Meta Motoren Energietech | Device for the variable valve control of internal combustion engines |
EP1022443B1 (en) * | 1999-01-19 | 2001-08-08 | Ford Global Technologies, Inc. | Variable valve drive for internal combustion engine |
DE19913742A1 (en) * | 1999-03-26 | 2000-09-28 | Bayerische Motoren Werke Ag | Device for stroke adjustment of a gas exchange valve in the cylinder head of an internal combustion engine |
DE19920512A1 (en) * | 1999-05-05 | 2000-11-09 | Opel Adam Ag | Device for actuating a valve with a variable stroke on internal combustion engines |
EP1096115B1 (en) * | 1999-10-29 | 2002-07-10 | STS System Technology Services GmbH | Mechanically controlled intake valve lift in an internal combustion engine |
DE19960742B4 (en) * | 1999-12-16 | 2006-09-28 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Variable valve train, preferably for internal combustion engines |
DE10016103A1 (en) * | 2000-03-31 | 2001-10-04 | Audi Ag | Variable valve timing |
DE50103100D1 (en) * | 2001-05-03 | 2004-09-09 | Sts System Technology Services | Mechanical regulation of the stroke adjustment of the intake valve of an internal combustion engine |
DE10123186A1 (en) | 2001-05-12 | 2002-11-14 | Bayerische Motoren Werke Ag | Valve gear device for variable lift adjustment is for gas exchange valve of internal combustion engine and has valve vai intermediary of transmission component effectively connected to roller movable around rotary axis |
-
2002
- 2002-08-02 DE DE10235403A patent/DE10235403A1/en not_active Withdrawn
-
2003
- 2003-07-03 DE DE50312150T patent/DE50312150D1/en not_active Expired - Lifetime
- 2003-07-03 EP EP03015068A patent/EP1387048B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1387048A2 (en) | 2004-02-04 |
EP1387048B1 (en) | 2009-11-25 |
DE10235403A1 (en) | 2004-02-12 |
EP1387048A3 (en) | 2007-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Representative=s name: BEETZ & PARTNER PATENTANWAELTE, 80538 MUENCHEN |
|
8364 | No opposition during term of opposition |