JPH01157208U - - Google Patents
Info
- Publication number
- JPH01157208U JPH01157208U JP5231788U JP5231788U JPH01157208U JP H01157208 U JPH01157208 U JP H01157208U JP 5231788 U JP5231788 U JP 5231788U JP 5231788 U JP5231788 U JP 5231788U JP H01157208 U JPH01157208 U JP H01157208U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- cam
- centrifugal weight
- circumferential cam
- centrifugal
- 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.)
- Pending
Links
- 230000007423 decrease Effects 0.000 claims 1
Landscapes
- Valve Device For Special Equipments (AREA)
Description
第1図は、本考案に係るバルブタイミング可変
装置の要部を概念的に示した正面図であり、第1
図aは低速回転時の状態、第1図bは高速回転時
の状態をそれぞれ示している。また、第2図は、
本考案に係るバルブタイミング可変装置の要部を
概念的に示した斜視図である。
1……カム軸、2……円周カム、3……遠心お
もり。
FIG. 1 is a front view conceptually showing the main parts of the variable valve timing device according to the present invention;
Figure a shows the state at low speed rotation, and Figure 1 b shows the state at high speed rotation. Also, Figure 2 shows
1 is a perspective view conceptually showing main parts of a variable valve timing device according to the present invention. 1...Cam shaft, 2...Circumferential cam, 3...Centrifugal weight.
Claims (1)
該カム軸にその軸心まわりに回動可能に貫挿され
た円周カムと、前記カム軸および前記円周カムの
間を連結し、かつ遠心力によつて移動する遠心お
もりとを備え、前記エンジンの回転数の増減によ
つて前記遠心おもりを適宜移動させ、前記カムを
前記カム軸に対して回動させるようにしたことを
特徴とするバルブタイミング可変装置。 a camshaft that rotates as the engine operates;
A circumferential cam inserted through the camshaft so as to be rotatable about its axis, and a centrifugal weight that connects the camshaft and the circumferential cam and moves by centrifugal force, The variable valve timing device is characterized in that the centrifugal weight is appropriately moved as the rotational speed of the engine increases or decreases, and the cam is rotated with respect to the camshaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5231788U JPH01157208U (en) | 1988-04-19 | 1988-04-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5231788U JPH01157208U (en) | 1988-04-19 | 1988-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01157208U true JPH01157208U (en) | 1989-10-30 |
Family
ID=31278317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5231788U Pending JPH01157208U (en) | 1988-04-19 | 1988-04-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01157208U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006064707A1 (en) * | 2004-12-17 | 2006-06-22 | Yamaha Hatsudoki Kabushiki Kaisha | Valve timing controller, engine device having the same, and vehicle |
WO2006064706A1 (en) * | 2004-12-17 | 2006-06-22 | Yamaha Hatsudoki Kabushiki Kaisha | Valve timing controller, engine device having the same, and vehicle |
WO2007060865A1 (en) * | 2005-11-28 | 2007-05-31 | Yamaha Hatsudoki Kabushiki Kaisha | Adjustable valve device, and engine device and vehicle using the same |
WO2007069467A1 (en) * | 2005-12-13 | 2007-06-21 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve gear, and engine system and vehicle that have the same |
WO2008078547A1 (en) * | 2006-12-25 | 2008-07-03 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve gear, and engine device and vehicle having the same |
WO2017146002A1 (en) * | 2016-02-26 | 2017-08-31 | 武蔵精密工業株式会社 | Variable cam phase mechanism in valve operating device for internal combustion engine |
-
1988
- 1988-04-19 JP JP5231788U patent/JPH01157208U/ja active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006064707A1 (en) * | 2004-12-17 | 2006-06-22 | Yamaha Hatsudoki Kabushiki Kaisha | Valve timing controller, engine device having the same, and vehicle |
WO2006064706A1 (en) * | 2004-12-17 | 2006-06-22 | Yamaha Hatsudoki Kabushiki Kaisha | Valve timing controller, engine device having the same, and vehicle |
JP2006170118A (en) * | 2004-12-17 | 2006-06-29 | Yamaha Motor Co Ltd | Valve timing control device, engine device and vehicle having this control device |
CN100455774C (en) * | 2004-12-17 | 2009-01-28 | 雅马哈发动机株式会社 | Valve timing controller, engine device having the same, and vehicle |
US7673603B2 (en) | 2004-12-17 | 2010-03-09 | Yamaha Hatsudoki Kabushiki Kaisha | Valve timing control device and engine device and vehicle including the same |
JP4493488B2 (en) * | 2004-12-17 | 2010-06-30 | ヤマハ発動機株式会社 | Valve timing control device, and engine device and vehicle including the same |
WO2007060865A1 (en) * | 2005-11-28 | 2007-05-31 | Yamaha Hatsudoki Kabushiki Kaisha | Adjustable valve device, and engine device and vehicle using the same |
WO2007069467A1 (en) * | 2005-12-13 | 2007-06-21 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve gear, and engine system and vehicle that have the same |
JP2007162563A (en) * | 2005-12-13 | 2007-06-28 | Yamaha Motor Co Ltd | Variable valve gear, engine system having the same, and vehicle |
US7684922B2 (en) | 2005-12-13 | 2010-03-23 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve system, and engine system and vehicle including the same |
WO2008078547A1 (en) * | 2006-12-25 | 2008-07-03 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve gear, and engine device and vehicle having the same |
WO2017146002A1 (en) * | 2016-02-26 | 2017-08-31 | 武蔵精密工業株式会社 | Variable cam phase mechanism in valve operating device for internal combustion engine |
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