JPS61110807U - - Google Patents
Info
- Publication number
- JPS61110807U JPS61110807U JP19873184U JP19873184U JPS61110807U JP S61110807 U JPS61110807 U JP S61110807U JP 19873184 U JP19873184 U JP 19873184U JP 19873184 U JP19873184 U JP 19873184U JP S61110807 U JPS61110807 U JP S61110807U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- speed
- valve
- speed cam
- spring
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案実施例に使用されるカムの断面
図、第２図は上記カムの側面図、第３図は高速カ
ム部材が進出位置に保持された状態を示す図、第
４図は上記カムによつて得られるバルブタイミン
を示す図である。
２……カム本体、５……高速カム部材、５ａ…
…カム部、６……ストツパ部、８……ばね、１１
……ストツパ部材。
Fig. 1 is a sectional view of a cam used in an embodiment of the present invention, Fig. 2 is a side view of the cam, Fig. 3 is a view showing the high-speed cam member held in the advanced position, and Fig. 4 is a sectional view of the cam used in the embodiment of the present invention. FIG. 3 is a diagram showing valve timing obtained by the above cam. 2...Cam body, 5...High speed cam member, 5a...
...Cam part, 6...Stopper part, 8...Spring, 11
...Stopper member.
Claims (1)
の吸気弁若しくは排気弁より成るポペツト弁を開
閉駆動するためのカム本体と、該カム本体内に摺
動自在に設けられ高速カムのカムプロフイールを
もつカム部を前記カム本体のカムリフト部の起点
近傍からカムトツプに至るカム面に対し進退自在
にした高速カム部材と、該高速カム部材を進出位
置と退出位置とに位置決めする、カム本体に設け
たストツパ部と、ポペツト弁の弁ばねよりも弱い
弾力を有し、高速カム部材を進出方向に移動付勢
するばねと、エンジンの低回転時には高速カム部
材が遊動し得るように同部材の移動路から退出し
、エンジンの高回転時には前記移動路に進出して
高速カム部材を進出位置に固定保持するストツパ
部材とを備えたバルブ可変タイミング装置。 A cam body that has a cam profile of a low-speed cam and is used to open and close a poppet valve consisting of an intake valve or an exhaust valve of an engine, and a cam part that is slidably installed within the cam body and has a cam profile of a high-speed cam. a high-speed cam member that can move forward and backward with respect to a cam surface extending from the vicinity of the starting point of the cam lift portion of the cam body to the cam top; and a stopper portion provided on the cam body that positions the high-speed cam member at an advanced position and a retracted position; a spring having a lower elasticity than the valve spring of the poppet valve and urging the high-speed cam member to move in the advancing direction; A variable valve timing device comprising a stopper member that advances into the movement path when the engine rotates at high speeds and fixes and holds the high-speed cam member in the advanced position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19873184U JPS61110807U (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19873184U JPS61110807U (en) | 1984-12-26 | 1984-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61110807U true JPS61110807U (en) | 1986-07-14 |
Family
ID=30757994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19873184U Pending JPS61110807U (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61110807U (en) |
-
1984
- 1984-12-26 JP JP19873184U patent/JPS61110807U/ja active Pending
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