JPH0476912U - - Google Patents
Info
- Publication number
- JPH0476912U JPH0476912U JP12152090U JP12152090U JPH0476912U JP H0476912 U JPH0476912 U JP H0476912U JP 12152090 U JP12152090 U JP 12152090U JP 12152090 U JP12152090 U JP 12152090U JP H0476912 U JPH0476912 U JP H0476912U
- Authority
- JP
- Japan
- Prior art keywords
- decompression
- cam
- cam surface
- compression
- state
- 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
- 230000006837 decompression Effects 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は、本考案の内燃機関の始動時自動デコ
ンプ機構を示すカム軸３の部分の側面一部断面図
、第２図は同じくカム軸３に於けるデコンプピン
２の部分の側面断面図、第３図はデコンプ側カム
面５ａ部分に逆分力発生の為に、コンプ側の傾斜
角ｂとは逆の傾斜角ａを付した実施例の正面一部
断面図、第４図は第３図の拡大図、第５図はデコ
ンプ側カム面５ａの部分を中心を偏心した円弧状
に構成した実施例の正面一部断面図である。
１……カム接当頭部、２……デコンプピン、３
……カム面、５……サポートカム、５ａ……デコ
ンプ側カム面、５ｂ……コンプ側カム面、７……
デコンプウエイト、Ｈ……デコンプピンの延長線
、Ｑ……折曲点。
FIG. 1 is a partial sectional side view of a camshaft 3 showing the automatic decompression mechanism at startup of an internal combustion engine according to the present invention, and FIG. 2 is a side sectional view of a decompression pin 2 of the camshaft 3. FIG. 3 is a front partial cross-sectional view of an embodiment in which an inclination angle a opposite to the inclination angle b on the compression side is attached to the decompression side cam surface 5a in order to generate a reverse component of force, and FIG. The enlarged view of the figure, FIG. 5, is a partial front cross-sectional view of an embodiment in which the decompression side cam surface 5a is formed into an arc shape with an eccentric center. 1...Cam contact head, 2...Decompression pin, 3
...Cam surface, 5... Support cam, 5a... Decompression side cam surface, 5b... Compression side cam surface, 7...
Decompression weight, H...extension line of decompression pin, Q...bending point.
Claims (1)
カム接当頭部を、デコンプ状態とコンプ状態とに
切換えるサポートカムを構成し、該サポートカム
のデコンプ側カム面をデコンプ時の荷重に対して
、コンプ側カム面とは反対方向の分力である逆分
力を与えるべき形状としたことを特徴とする内燃
機関の始動時自動デコンプ機構。 A support cam that switches the cam abutment head of the decompression pin between the decompression state and the compression state is configured on the swinging decompression weight, and the decompression side cam surface of the support cam is set to the compression side against the load during decompression. An automatic decompression mechanism at the time of starting an internal combustion engine characterized by having a shape that applies a reverse component of force in the opposite direction to a cam surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12152090U JPH0476912U (en) | 1990-11-19 | 1990-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12152090U JPH0476912U (en) | 1990-11-19 | 1990-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476912U true JPH0476912U (en) | 1992-07-06 |
Family
ID=31869373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12152090U Pending JPH0476912U (en) | 1990-11-19 | 1990-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476912U (en) |
-
1990
- 1990-11-19 JP JP12152090U patent/JPH0476912U/ja active Pending