WO2003085239A1 - Führungssysteme für variable ventilsteuerungen - Google Patents
Führungssysteme für variable ventilsteuerungen Download PDFInfo
- Publication number
- WO2003085239A1 WO2003085239A1 PCT/EP2003/003262 EP0303262W WO03085239A1 WO 2003085239 A1 WO2003085239 A1 WO 2003085239A1 EP 0303262 W EP0303262 W EP 0303262W WO 03085239 A1 WO03085239 A1 WO 03085239A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide
- lever
- roller
- valve
- pivot
- Prior art date
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
- F01L13/0021—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 rocker arm ratio
-
- 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
-
- 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
- Y10T74/21—Elements
- Y10T74/2101—Cams
- Y10T74/2107—Follower
Definitions
- the invention relates to space-saving and easy to assemble
- Swivel lever is guided in a circular arc or in a curve similar to a circular arc around the center line of the curved contact surface and the pivot lever can also be driven by a cam via a contact surface.
- the swivel levers can also drive rocker or angle levers. Valve controls with a swivel lever, the swivel joint in one
- Valve controls in which the swivel joint of the swivel lever for the adjustment is moved circularly about the axis of rotation of a roller arranged in the swivel lever and acted upon by the swivel lever are described in the patent application with the file number 101 36 612.4.
- valve controls which have a contact surface or roller which is guided in a circle by an actuating lever designed according to the patent application with the file number 101 55 007.3
- the swivel levers have a roller on the one hand
- 1 and 2 show a guide system suitable for the adjustment of the valve control with a sliding block, which is guided by mutually engaging, correspondingly circular guide grooves in a link housing, the sliding block having a contact surface for the engagement taking place by a roller of a pivot lever.
- the sliding block can also have a roller for the engagement taking place through a contact surface of a pivot lever or a pivot joint for guiding a pivot lever.
- FIG. 3 shows a guide system suitable for the adjustment of the valve control with a guide rod which is mounted in at least two guide rollers which have wheel flanges on both sides, the guide rod having a roller for the engagement that takes place through a contact surface of a pivot lever.
- the guide rod can also have a contact surface or a swivel joint for guiding a pivot lever for the engagement that takes place by means of a roller of a pivot lever.
- Fig. 4 shows a suitable for the adjustment of the valve control
- Guide system with a guide lever which is supported at two points by swivel joints of two crank or eccentric shafts and has a swivel joint at its projecting end for guiding a swivel lever.
- the guide lever can also have a role for the engagement taking place through the contact surface of a pivot lever.
- a sliding block would have to be provided here, which is guided in a complex manner at two articulation points by two guide rods.
- Fig. 1 shows a guide system for a mechanical, variable valve control with a two-armed pivot lever 1, which is mounted in the pivot joint 2 of a rocker arm 3 actuating a valve 3, the pivot lever 1 itself via a cam roller 5 arranged at the end of its one lever arm a cam 6 is driven and at the end of its other lever arm has a roller 7, which in the two areas 8 and 9 of the contact surface one in one
- Link housing 10 engages sliding block 11.
- the area 8 of the contact surface of the sliding block 11 is provided for constant keeping and the area 9 of the contact surface of the sliding block 11 is provided for the actuation of the valve 3.
- the sliding block 11 is guided in the link housing 10 in a circular manner around the closed axis 3 of the axis of rotation of the swivel joint 2 arranged on the rocker arm 4, the area 8 of the contact surface of the sliding block 11 intended to keep the valve 3 constantly closed is curved inward within a radius R.
- the length of the radius R results from the sum of the lengths of the two radii R1 and R2, the radius R1 extending from the axis of rotation of the swivel joint 2 to the axis of rotation of the roller 7 and the radius R2 extending from the axis of rotation of the roller 7 to it Tread extends.
- the sliding block 11 in the link housing 10 is advantageously guided on its two end faces by a poly-V longitudinal toothing 12, the sliding block 11 by a pressure element 14 acted upon by a pressure element 13, which is secured in the setting housing 10 in the adjustment direction and has a corresponding longitudinal toothing, is pressed against the fixed poly-V longitudinal toothing 12 of the link housing 10 and thereby receives a play-free guide.
- the pressure elements 13 can be arranged in this way be that a pressure element 13 acts on both sides of a pressure body 14.
- the pressure elements 13 generate their compressive force by mechanical springs, in a simple manner by the oil pressure of the lubrication system of the engine hydraulically or mechanically and hydraulically at the same time.
- Other suitable circular ones can also be used for guiding the sliding block 11
- Longitudinal teeth are used, which can also be arranged radially.
- the sliding block 11 has a toothing 15 in which a toothed wheel 16 of a control shaft 17 engages. Is the back of the nose of the area 9 of the contact surface of the sliding block
- valve 3 is constantly kept closed. If the back of the nose of the area 9 of the contact surface of the sliding block 11 is in position B, the largest valve lift and the longest valve opening time are set. While the valve 3 is kept closed, the roller 7 of the swivel lever 1 engages in the inwardly curved region 8 of FIG
- the sliding block 11 is moved from its position of keeping the valve 3 permanently closed by a rotation of the control shaft 17 in the link housing 10 in a circular movement such that the nose of the area 9 of the contact surface of the sliding block 11 engages with the roller 7 of the pivot lever 1 arrives.
- the length of the valve stroke and a valve opening duration dependent thereon result.
- the sliding block 11 can also be adjusted via an articulated rod which is driven, for example, by an eccentric shaft.
- the link housing 10 and the control shaft 17 can be integrated with the bearing blocks to be screwed onto the cylinder head 18.
- the bearing blocks of a valve control provided for a row of cylinders pre-assembled with the link housings 10, the control shaft 17 and the sliding blocks 11 arranged in the link housings 10 and optionally also with the camshaft 19 located in the same bearing blocks on a mounting device together screwed to the cylinder head 18 can be.
- FIG. 3 shows a guide system for a mechanical, variable valve control with a two-armed pivot lever 20, which is mounted in the pivot joint 21 of a rocker arm 23 actuating a valve 22, the pivot lever 20 itself via a cam roller 24 arranged at the end of its one lever arm one cam 25 is driven and at the end of its other
- Lever arm has a contact surface with the areas 26 and 27 which engages in a roller 28 of a correspondingly circularly shaped and arranged guide rod 31 guided by two guide rollers 29 and 30 arranged radially on both sides, the guide rollers 29 and 30 having flanges on both sides.
- the area 26 of the contact surface of the pivot lever 20 is provided for permanent closure and the area 27 of the contact surface of the pivot lever 2Q is provided for opening the valve 22.
- the longitudinal axis of the guide rod 31 runs concentrically around the axis of rotation of the swivel joint 21 arranged on the rocking lever 23 when the valve 22 is closed, the one intended for keeping the valve 22 constantly closed
- Area 26 of the contact surface of the pivoting lever 20 is curved outward in a radius R, the center of which is the axis of rotation of the pivot joint 21 arranged on the rocking lever 23, and the area 27 of the contact surface of the pivoting lever 20 provided for the opening of the valve 22 is one facing outward has a curved nose which projects significantly beyond the contact surface of the region 26.
- the guide roller 30 is made in two parts and is mounted on a control shaft 32, the two parts of the guide roller 30 enclosing a gear 33 which is connected to the control shaft 32 in a rotationally fixed manner and engages in a toothing 34 of the guide rod 31.
- the valve 22 is constantly kept closed. If the roller 28 of the guide rod 31 is in the position B, the largest valve lift and the longest valve opening duration are set. To keep the valve 22 permanently closed, the region of the contact surface 26 which bulges outwards engages
- a pivot lever 20 in the roller 28 of the guide rod 31 without operating the valve 22 For actuation of the valve 22, the roller 28 of the guide rod 31 is moved with the guide rod 31 from its position of keeping the valve 22 permanently closed by rotating the control shaft 32 in a circular movement such that the nose of the region 27 of the contact surface of the pivot lever 20 engages with the roller 28 of the guide rod 31.
- the length of the valve stroke and a valve opening duration dependent on this result.
- the guide roller 29 is mounted in an articulated lever and acts on the guide rod 31 with a stabilizing torque by means of a pressure element.
- the axes of the guide rollers 29 and 30 can be arranged in bearing blocks to be screwed to the cylinder head 35.
- the bearing blocks of a valve control provided for a row of cylinders are preassembled with the axes of the guide rollers 29 and 30, with the guide rods 31 guided by these and optionally also with the camshaft 36 mounted in the same bearing blocks, are screwed together on a mounting device with the cylinder head 35 ,
- Fig. 4 shows a guide system for a mechanical, variable valve control with a one-armed pivot lever 37 which is mounted at its upper end in a pivot joint 39 arranged at the end of the cantilever arm of a guide lever 38, the pivot lever 37 being arranged approximately in its central region
- Cam roller 40 is driven by a cam 41 and has at its lower end a contact surface with the areas 42 and 43 which engages in the roller 44 of a rocker arm 46 actuating the valve 45.
- the area 42 of the contact surface of the pivoting lever 37 is provided for constant keeping and the area 43 of the contact surface of the pivoting lever 37 is provided for the opening of the valve 45.
- the guide lever 38 is guided by two crank levers 47 and 48 of two crankshafts 49 and 50, the position of the two crankshafts 49 and 50, the design of the guide lever 38, the three pivot points of which cannot be arranged linearly, a corresponding angular position and, if appropriate, also through a different
- the area 42 of the contact surface of the pivoting lever 37 intended to keep the valve 45 permanently closed is curved outward in a radius R, the center of which is the axis of rotation of the swivel joint 39 arranged on the guide lever 38 and the area 43 provided for the opening of the valve 45
- the contact surface of the pivot lever 37 has an outwardly curved nose, which projects significantly beyond the contact surface of the area 42.
- valve 45 is set to be kept closed continuously.
- the swivel joint 39 of the guide lever 38 moves from its position of constantly keeping the valve 45 closed by rotating the crankshaft 49 designed as a control shaft with the guide lever 38 in a circular movement such that the nose of the region 43 of the contact surface of the pivot lever 37 engages with the roller 44 of the rocker arm 46 arrives.
- the crankshaft 49 designed as a control shaft with the guide lever 38 in a circular movement such that the nose of the region 43 of the contact surface of the pivot lever 37 engages with the roller 44 of the rocker arm 46 arrives.
- crankshafts 49 and 50 to be used here can be produced from a round profile without cranking, the crank levers 47 and 48 being welded to the round profile, or it can also be used for the production of the crankshafts 49 and 50 bushings are rotatably connected to a round profile, the bushings having the crank levers 47 and 48.
- the arrangement of the crank levers 49 and 50 on round profiles enables the joints of the guide levers 38 be executed undivided, the guide lever 38 can be formed from two flat bars.
- crankshafts 49 and 50 can be arranged in bearing blocks to be screwed to the cylinder head 51, as a result of which, for. B. the bearing blocks provided for a row of cylinders
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)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50310831T DE50310831D1 (de) | 2002-04-04 | 2003-03-28 | Führungssysteme für variable ventilsteuerungen |
EP03720385A EP1495211B1 (de) | 2002-04-04 | 2003-03-28 | Führungssysteme für variable ventilsteuerungen |
AU2003224008A AU2003224008A1 (en) | 2002-04-04 | 2003-03-28 | Guide systems for variable valve controllers |
US10/941,617 US7628128B2 (en) | 2002-04-04 | 2004-09-15 | Guide systems for variable valve controller |
US12/627,262 US8074615B2 (en) | 2002-04-04 | 2009-11-30 | Guide systems for variable valve controller |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214802.3 | 2002-04-04 | ||
DE10214802A DE10214802A1 (de) | 2002-04-04 | 2002-04-04 | Führungssysteme für variable Ventilsteuerungen |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/941,617 Continuation US7628128B2 (en) | 2002-04-04 | 2004-09-15 | Guide systems for variable valve controller |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003085239A1 true WO2003085239A1 (de) | 2003-10-16 |
Family
ID=28051084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/003262 WO2003085239A1 (de) | 2002-04-04 | 2003-03-28 | Führungssysteme für variable ventilsteuerungen |
Country Status (6)
Country | Link |
---|---|
US (2) | US7628128B2 (de) |
EP (1) | EP1495211B1 (de) |
AT (1) | ATE415546T1 (de) |
AU (1) | AU2003224008A1 (de) |
DE (2) | DE10214802A1 (de) |
WO (1) | WO2003085239A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004006186A1 (de) * | 2004-02-06 | 2005-08-25 | Volkswagen Ag | Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10214802A1 (de) * | 2002-04-04 | 2003-10-16 | Thyssen Krupp Automotive Ag | Führungssysteme für variable Ventilsteuerungen |
KR20090056602A (ko) * | 2007-11-30 | 2009-06-03 | 현대자동차주식회사 | 가변 밸브 리프트 장치 |
KR100993368B1 (ko) * | 2008-01-22 | 2010-11-09 | 현대자동차주식회사 | 연속 가변 밸브 리프트 장치 |
DE102014013664A1 (de) * | 2014-09-16 | 2016-03-17 | Promescon Gmbh | Ventiltriebsvorrichtung zur unabhängigen vollvariablen Öffnungszeitverstellung der Gaswechselventile einer Verbrennungskraftmaschine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5656914A (en) * | 1979-10-15 | 1981-05-19 | Mazda Motor Corp | Arrangement for intake valve of engine |
DE19509604A1 (de) * | 1995-03-16 | 1996-09-19 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
DE19960742A1 (de) * | 1999-12-16 | 2001-06-21 | Iav Gmbh | Variabler Ventiltrieb, vorzugsweise für Verbrennungsmotoren |
DE10100173A1 (de) * | 2001-01-04 | 2002-07-11 | Fev Motorentech Gmbh | Vollvariabler mechanischer Ventiltrieb für eine Kolbenbrennkraftmaschine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2796982B1 (fr) * | 1999-07-28 | 2001-10-26 | Peugeot Citroen Automobiles Sa | Dispositif de commande d'une soupape et moteur a combustion interne muni de ce dispositif |
US6439177B2 (en) * | 2000-06-30 | 2002-08-27 | Delphi Technologies, Inc. | Low friction variable valve actuation device |
DE10136612A1 (de) * | 2001-07-17 | 2003-02-06 | Herbert Naumann | Variable Hubventilsteuerungen |
DE10214802A1 (de) * | 2002-04-04 | 2003-10-16 | Thyssen Krupp Automotive Ag | Führungssysteme für variable Ventilsteuerungen |
-
2002
- 2002-04-04 DE DE10214802A patent/DE10214802A1/de not_active Withdrawn
-
2003
- 2003-03-28 WO PCT/EP2003/003262 patent/WO2003085239A1/de not_active Application Discontinuation
- 2003-03-28 EP EP03720385A patent/EP1495211B1/de not_active Expired - Lifetime
- 2003-03-28 AU AU2003224008A patent/AU2003224008A1/en not_active Abandoned
- 2003-03-28 DE DE50310831T patent/DE50310831D1/de not_active Expired - Lifetime
- 2003-03-28 AT AT03720385T patent/ATE415546T1/de not_active IP Right Cessation
-
2004
- 2004-09-15 US US10/941,617 patent/US7628128B2/en not_active Expired - Lifetime
-
2009
- 2009-11-30 US US12/627,262 patent/US8074615B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5656914A (en) * | 1979-10-15 | 1981-05-19 | Mazda Motor Corp | Arrangement for intake valve of engine |
DE19509604A1 (de) * | 1995-03-16 | 1996-09-19 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
DE19960742A1 (de) * | 1999-12-16 | 2001-06-21 | Iav Gmbh | Variabler Ventiltrieb, vorzugsweise für Verbrennungsmotoren |
DE10100173A1 (de) * | 2001-01-04 | 2002-07-11 | Fev Motorentech Gmbh | Vollvariabler mechanischer Ventiltrieb für eine Kolbenbrennkraftmaschine |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 005, no. 116 (M - 080) 25 July 1981 (1981-07-25) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004006186A1 (de) * | 2004-02-06 | 2005-08-25 | Volkswagen Ag | Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils |
Also Published As
Publication number | Publication date |
---|---|
EP1495211B1 (de) | 2008-11-26 |
US20080105228A9 (en) | 2008-05-08 |
DE10214802A1 (de) | 2003-10-16 |
US7628128B2 (en) | 2009-12-08 |
ATE415546T1 (de) | 2008-12-15 |
US20050045125A1 (en) | 2005-03-03 |
AU2003224008A1 (en) | 2003-10-20 |
EP1495211A1 (de) | 2005-01-12 |
US20100192884A1 (en) | 2010-08-05 |
US8074615B2 (en) | 2011-12-13 |
DE50310831D1 (de) | 2009-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE19960742B4 (de) | Variabler Ventiltrieb, vorzugsweise für Verbrennungsmotoren | |
DE60014827T2 (de) | Desmodromische nocken geführte variable ventilsteuerungseinrichtug | |
DE2006618A1 (de) | Ventilsteuerungseinrichtung fur Brenn kraftmaschinen | |
DE4301453C2 (de) | Variable Ventilsteuerung von Brennkraftmaschinen | |
DE4322480A1 (de) | Vorrichtung zur variablen Ventilsteuerung von Brennkraftmaschinen mit Ventilabschaltung | |
DE10314683A1 (de) | Variable Ventilhubsteuerung für einen Verbrennungsmotor mit untenliegender Nockenwelle | |
DE102008015197B4 (de) | Ventilmechanismus eines Motors | |
DE102007057811B4 (de) | Ventiltrieb für Gaswechselventile einer Brennkraftmaschine | |
DE60320670T2 (de) | Motor mit ventilmechanismus mit variablem hub | |
DE19953346A1 (de) | Ventilmechanismus eines Verbrennungsmotors | |
EP1446561B1 (de) | Variable hubventilsteuerung | |
DE19925268B4 (de) | Kettenspanner für eine Kolbenbrennkraftmaschine mit variablem Brennraum | |
DE3937628A1 (de) | Antriebsvorrichtung fuer eine im zylinderkopf einer brennkraftmaschine gelagerten nockenwelle | |
WO2003085239A1 (de) | Führungssysteme für variable ventilsteuerungen | |
EP1608851B1 (de) | Vorrichtung zur variablen betätigung der gaswechselventile von verbrennungsmotoren und verfahren zum betreiben einer derartigen vorrichtung | |
DE10323665B4 (de) | Variable Ventilhubvorrichtung zur Hubverstellung der Gaswechselventile einer Verbrennungskraftmaschine | |
EP1458956A1 (de) | Vorrichtung zur variablen betätigung der ladungswechselventile in hubkolbenmotoren | |
EP1608852B1 (de) | Vorrichtung zur variablen bet tigung der gaswechselventile v on verbrennungsmotoren und verfahren zum betreiben einer derartigen vorrichtung | |
DE3825567A1 (de) | Betaetigungsvorrichtung fuer ventile einer brennkraftmaschine | |
DE4300684A1 (de) | Ventiltrieb zur variablen Steuerung von Brennkraftmaschinen | |
EP1288451B1 (de) | Zylinderkopf für eine Hubkolben-Brennkraftmaschine mit einer hubvariablen Ventilsteuerung | |
DE10108462B4 (de) | Kolbenbrennkraftmaschine mit in V-Anordnung ausgerichteten Zylindern mit einstellbarem Verdichtungsverhältnis | |
DE10031783A1 (de) | Variabler Ventiltrieb mit einer indirekt von einem Nocken über einen Schwing- oder Kipphebel bewegten Ventilanordnung, vorzugsweise für Verbrennungsmotoren | |
DE10316990A1 (de) | Vollvariabler mechanischer Ventiltrieb einer Brennkraftmaschine zur Betätigung von Gaswechselventilen | |
DE19526349C2 (de) | Ventilsteuervorrichtung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2003720385 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10941617 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2003720385 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |
|
WWP | Wipo information: published in national office |
Ref document number: 10941617 Country of ref document: US |