JPS6261917U - - Google Patents
Info
- Publication number
- JPS6261917U JPS6261917U JP15260785U JP15260785U JPS6261917U JP S6261917 U JPS6261917 U JP S6261917U JP 15260785 U JP15260785 U JP 15260785U JP 15260785 U JP15260785 U JP 15260785U JP S6261917 U JPS6261917 U JP S6261917U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- head cover
- drive system
- oil
- protrusion
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は従来の換気装置を有する４サイクルエ
ンジンのシリンダヘツド近傍の断面図、第２図は
本考案による換気装置を有する４サイクルエンジ
ンのシリンダヘツド近傍の断面図、第３図は第２
図に示されたヘツドカバーを下方から見たところ
を示した図、第４図は第３図のＡ―Ａ断面図であ
る。
主要部分の符号の説明、１……カムシヤフト、
２……ロツカアーム、３……ヘツドカバー、４…
…油・燃分離室、５……シリンダヘツド、５ａ…
…オイル溜、９……ロツカアームシヤフト、１０
……貫通孔、１３……オイル導通孔。
Fig. 1 is a sectional view of the vicinity of the cylinder head of a four-stroke engine with a conventional ventilation system, Fig. 2 is a sectional view of the vicinity of the cylinder head of a four-stroke engine with a ventilation system according to the present invention, and Fig. 3 is a sectional view of the vicinity of the cylinder head of a four-cycle engine with a ventilation system according to the present invention.
FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3, showing the head cover shown in the figure as viewed from below. Explanation of symbols of main parts, 1...Camshaft,
2... Locker arm, 3... Head cover, 4...
...Oil/fuel separation chamber, 5...Cylinder head, 5a...
...Oil reservoir, 9...Lotsuka armshaft, 10
...Through hole, 13...Oil conduction hole.
Claims (1)
ヤフトをシリンダヘツドに有し且つロツカアーム
シヤフトをヘツドカバーの内壁部にて支持する４
サイクルエンジンにおける換気装置であつて、前
記カムシヤフトの他端部近傍における前記ヘツド
カバーの頂部から前記カムシヤフトに向つて伸び
て該ヘツドカバーの側部内壁と共に油・燃分離室
を形成する垂下部と、前記カムシヤフトの一端近
傍の前記ヘツドカバー頂部から前記カムシヤフト
に向つて伸びて前記貫通孔の前記カムシヤフト駆
動系近傍の開口部と前記カムシヤフト駆動系とを
隔離する突起部と、前記油・燃分離室を吸気系に
連通する連通手段とからなることを特徴とする換
気装置。 The cylinder head has a camshaft connected to the camshaft drive system at one end, and the rocker arm shaft is supported by the inner wall of the head cover.
A ventilation device for a cycle engine, wherein a hanging portion extends from the top of the head cover near the other end of the camshaft toward the camshaft and forms an oil/fuel separation chamber together with a side inner wall of the head cover; a protrusion that extends from the top of the head cover near one end toward the camshaft and separates the opening of the through hole near the camshaft drive system from the camshaft drive system; and a protrusion that connects the oil/fuel separation chamber to the intake system. A ventilation device characterized by comprising a communication means that communicates with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15260785U JPH0229215Y2 (en) | 1985-10-05 | 1985-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15260785U JPH0229215Y2 (en) | 1985-10-05 | 1985-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6261917U true JPS6261917U (en) | 1987-04-17 |
| JPH0229215Y2 JPH0229215Y2 (en) | 1990-08-06 |
Family
ID=31070741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15260785U Expired JPH0229215Y2 (en) | 1985-10-05 | 1985-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0229215Y2 (en) |
-
1985
- 1985-10-05 JP JP15260785U patent/JPH0229215Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0229215Y2 (en) | 1990-08-06 |
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