EP3350423A1 - Variable valve control device for internal combustion engines - Google Patents
Variable valve control device for internal combustion enginesInfo
- Publication number
- EP3350423A1 EP3350423A1 EP16770875.9A EP16770875A EP3350423A1 EP 3350423 A1 EP3350423 A1 EP 3350423A1 EP 16770875 A EP16770875 A EP 16770875A EP 3350423 A1 EP3350423 A1 EP 3350423A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- camshaft
- cam
- lateral surface
- axis
- 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
-
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
-
- 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
- F01L2013/0052—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 with cams provided on an axially slidable sleeve
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50802/2015A AT517815B1 (en) | 2015-09-18 | 2015-09-18 | VARIABLE VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINES |
PCT/AT2016/060065 WO2017045008A1 (en) | 2015-09-18 | 2016-09-19 | Variable valve control device for internal combustion engines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3350423A1 true EP3350423A1 (en) | 2018-07-25 |
EP3350423B1 EP3350423B1 (en) | 2019-03-13 |
Family
ID=57003287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16770875.9A Not-in-force EP3350423B1 (en) | 2015-09-18 | 2016-09-19 | Variable valve drive for internal combustion engine |
Country Status (5)
Country | Link |
---|---|
US (1) | US10385738B2 (en) |
EP (1) | EP3350423B1 (en) |
CN (1) | CN108291460B (en) |
AT (1) | AT517815B1 (en) |
WO (1) | WO2017045008A1 (en) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007010156A1 (en) * | 2007-03-02 | 2008-09-04 | Audi Ag | Valve drive unit for a combustion engine comprises an adjusting unit having interacting elements which interact alternately with a curved connecting part |
DE102007010157A1 (en) | 2007-03-02 | 2008-06-26 | Audi Ag | Valve e.g. inlet valve, drive for internal-combustion engine, has contact pins or connecting link units arranged laterally from cam shaft in housing of internal-combustion engine and movable in axial direction of cam shaft |
DE102007048915A1 (en) * | 2007-10-12 | 2009-04-16 | Daimler Ag | Valve drive devices |
DE102008060169B4 (en) | 2008-11-27 | 2023-02-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Valve train for gas exchange valves of an internal combustion engine |
DE102011002142B4 (en) * | 2011-04-18 | 2022-07-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Gate circuit for a camshaft |
DE102011076726A1 (en) | 2011-05-30 | 2012-12-06 | Schaeffler Technologies AG & Co. KG | Valve train for combustion piston engine, has actuating device with rocker arm, which is arranged adjacent to control body in radial manner with axial alignment, where rocker arm is pivoted around tangential axis |
DE102011117244B4 (en) | 2011-10-27 | 2023-08-10 | Mercedes-Benz Group AG | Valve train for an internal combustion engine |
DE102011085705A1 (en) | 2011-11-03 | 2013-05-08 | Schaeffler Technologies AG & Co. KG | Valve train of internal combustion engine e.g. single-cylinder engine of motorcycle, has actuator that generates control movement in response to purely mechanical speed of camshaft |
JP6059080B2 (en) * | 2013-05-16 | 2017-01-11 | 株式会社オティックス | Variable valve mechanism for internal combustion engine |
JP2015068189A (en) * | 2013-09-27 | 2015-04-13 | スズキ株式会社 | Variable valve device of internal combustion engine |
KR101483708B1 (en) * | 2013-12-18 | 2015-01-16 | 현대자동차 주식회사 | Continuous varible vavle duration apparatus |
CN103758604B (en) * | 2014-01-23 | 2017-02-01 | 长城汽车股份有限公司 | Gas distributing mechanism for engine and car with same |
-
2015
- 2015-09-18 AT ATA50802/2015A patent/AT517815B1/en not_active IP Right Cessation
-
2016
- 2016-09-19 CN CN201680067063.6A patent/CN108291460B/en not_active Expired - Fee Related
- 2016-09-19 WO PCT/AT2016/060065 patent/WO2017045008A1/en active Application Filing
- 2016-09-19 EP EP16770875.9A patent/EP3350423B1/en not_active Not-in-force
- 2016-09-19 US US15/760,091 patent/US10385738B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2017045008A1 (en) | 2017-03-23 |
AT517815A1 (en) | 2017-04-15 |
CN108291460A (en) | 2018-07-17 |
AT517815B1 (en) | 2019-10-15 |
US10385738B2 (en) | 2019-08-20 |
EP3350423B1 (en) | 2019-03-13 |
CN108291460B (en) | 2020-06-05 |
US20180266280A1 (en) | 2018-09-20 |
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