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
Application number
JP5231788U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP5231788U priority Critical patent/JPH01157208U/ja
Publication of JPH01157208U publication Critical patent/JPH01157208U/ja
Pending legal-status Critical Current

Links

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  • Valve Device For Special Equipments (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの運転に伴つて回転されるカム軸と、
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.
JP5231788U 1988-04-19 1988-04-19 Pending JPH01157208U (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006064706A1 (en) * 2004-12-17 2006-06-22 Yamaha Hatsudoki Kabushiki Kaisha Valve timing controller, engine device having the same, and vehicle
WO2006064707A1 (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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006064706A1 (en) * 2004-12-17 2006-06-22 Yamaha Hatsudoki Kabushiki Kaisha Valve timing controller, engine device having the same, and vehicle
WO2006064707A1 (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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