WO2008078547A1 - 可変動弁装置、それを備えたエンジン装置および車両 - Google Patents
可変動弁装置、それを備えたエンジン装置および車両 Download PDFInfo
- Publication number
- WO2008078547A1 WO2008078547A1 PCT/JP2007/073833 JP2007073833W WO2008078547A1 WO 2008078547 A1 WO2008078547 A1 WO 2008078547A1 JP 2007073833 W JP2007073833 W JP 2007073833W WO 2008078547 A1 WO2008078547 A1 WO 2008078547A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pin
- lock pin
- vehicle
- same
- variable valve
- 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
- F01L13/0036—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
- F01L1/022—Chain drive
-
- 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
- F01L1/181—Centre 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
- 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
- F01L13/0036—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
- F01L13/0047—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 the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other
-
- 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
- F01L1/20—Adjusting or compensating clearance
-
- 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
-
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/03—Auxiliary actuators
- F01L2820/035—Centrifugal forces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
エンジンの回転速度が低い場合には、ウエイトの回転動作が制限される。この場合、ロックピンの先端部はロックピン嵌合部のピン嵌合孔およびピン摺動孔に挿入されず、遊動カム部はカムシャフトのカム固定軸周りで回転可能となる。エンジンの回転速度が高くなると、ウエイトが回動軸周りで回転しようとする。それにより、ロックピンがピン嵌合孔に挿入されるとともに、ロックピンがピン摺動孔に挿入される。その結果、カムシャフトに対する遊動カム部の回転が阻止される。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006347314A JP2008157129A (ja) | 2006-12-25 | 2006-12-25 | 可変動弁装置、それを備えたエンジン装置および車両 |
JP2006-347314 | 2006-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008078547A1 true WO2008078547A1 (ja) | 2008-07-03 |
Family
ID=39562341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/073833 WO2008078547A1 (ja) | 2006-12-25 | 2007-12-11 | 可変動弁装置、それを備えたエンジン装置および車両 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2008157129A (ja) |
TW (1) | TW200835843A (ja) |
WO (1) | WO2008078547A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5199766B2 (ja) * | 2008-07-22 | 2013-05-15 | ヤマハ発動機株式会社 | 可変動弁装置とこれを備えたエンジン装置および車両 |
JP4999832B2 (ja) * | 2008-12-26 | 2012-08-15 | 本田技研工業株式会社 | 内燃機関の可変動弁装置 |
EP3309375A4 (en) * | 2015-06-15 | 2018-07-04 | Yamaha Hatsudoki Kabushiki Kaisha | Engine system and saddle ride-type vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS562004U (ja) * | 1979-06-20 | 1981-01-09 | ||
JPH01157208U (ja) * | 1988-04-19 | 1989-10-30 | ||
JPH01166707U (ja) * | 1988-05-16 | 1989-11-22 | ||
JPH11229831A (ja) * | 1998-02-13 | 1999-08-24 | Honda Motor Co Ltd | エンジンのカム位相可変装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006170117A (ja) * | 2004-12-17 | 2006-06-29 | Yamaha Motor Co Ltd | バルブタイミング制御装置ならびにそれを備えるエンジン装置および車両 |
-
2006
- 2006-12-25 JP JP2006347314A patent/JP2008157129A/ja active Pending
-
2007
- 2007-12-05 TW TW096146367A patent/TW200835843A/zh unknown
- 2007-12-11 WO PCT/JP2007/073833 patent/WO2008078547A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS562004U (ja) * | 1979-06-20 | 1981-01-09 | ||
JPH01157208U (ja) * | 1988-04-19 | 1989-10-30 | ||
JPH01166707U (ja) * | 1988-05-16 | 1989-11-22 | ||
JPH11229831A (ja) * | 1998-02-13 | 1999-08-24 | Honda Motor Co Ltd | エンジンのカム位相可変装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2008157129A (ja) | 2008-07-10 |
TW200835843A (en) | 2008-09-01 |
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