DE50312150D1 - Swivel lever for a variable-stroke valve drive - Google Patents

Swivel lever for a variable-stroke valve drive

Info

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
Application number
DE50312150T
Other languages
German (de)
Inventor
Michael Allgeier
Torsten Eder
Klaus Dr Benedikt
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.)
Bayerische Motoren Werke AG
PSA Automobiles SA
Original Assignee
Bayerische Motoren Werke AG
Peugeot Citroen Automobiles SA
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 Bayerische Motoren Werke AG, Peugeot Citroen Automobiles SA filed Critical Bayerische Motoren Werke AG
Application granted granted Critical
Publication of DE50312150D1 publication Critical patent/DE50312150D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01L13/0005—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
DE50312150T 2002-08-02 2003-07-03 Swivel lever for a variable-stroke valve drive Expired - Lifetime DE50312150D1 (en)

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)

* Cited by examiner, † Cited by third party
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
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
DE102006018512A1 (en) * 2006-04-21 2007-10-25 Schaeffler Kg Roller element for a pivotable machine part
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)

* Cited by examiner, † Cited by third party
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
EP1255027B1 (en) * 2001-05-03 2004-08-04 STS System Technology Services GmbH Mechanic control of variable lift of an 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

Also Published As

Publication number Publication date
EP1387048A2 (en) 2004-02-04
DE10235403A1 (en) 2004-02-12
EP1387048B1 (en) 2009-11-25
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