JPS61164448U - - Google Patents
Info
- Publication number
- JPS61164448U JPS61164448U JP4694985U JP4694985U JPS61164448U JP S61164448 U JPS61164448 U JP S61164448U JP 4694985 U JP4694985 U JP 4694985U JP 4694985 U JP4694985 U JP 4694985U JP S61164448 U JPS61164448 U JP S61164448U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- exhaust
- pair
- intake
- ports
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図ないし第３図は本考案の一実施例を示す
もので、第１図は側方からの断面図、第２図は下
方からの断面図、第３図は８シリンダ機関に適用
した場合の略図、また、第４図ないし第６図は従
来例を示すもので、第４図は下方からの断面図、
第５図は排気流路を示す側断面図、第６図は吸気
流路を示す側断面図である。
１０…４弁式シリンダヘツド、１１ａ，１１ｂ
…吸気口、１２ａ，１２ｂ…排気口、１３ａ，１
３ｂ…吸気流路、１４…第１排気流路、１５…第
２排気流路。
Figures 1 to 3 show an embodiment of the present invention, in which Figure 1 is a sectional view from the side, Figure 2 is a sectional view from below, and Figure 3 is an embodiment of the present invention applied to an 8-cylinder engine. In addition, FIGS. 4 to 6 show conventional examples, and FIG. 4 is a sectional view from below.
FIG. 5 is a side sectional view showing the exhaust flow path, and FIG. 6 is a side sectional view showing the intake flow path. 10...4-valve cylinder head, 11a, 11b
...Intake port, 12a, 12b...Exhaust port, 13a, 1
3b...Intake flow path, 14...First exhaust flow path, 15...Second exhaust flow path.
Claims (1)
た４弁式シリンダヘツドにおいて、上記シリンダ
ヘツドの内部の下方部位には、各一端が上記一対
の吸気口にそれぞれ連通し、各他端が該シリンダ
ヘツドの下面にそれぞれ開口する一対の吸気流路
が形成され、かつ、上記シリンダヘツドの内部で
上記吸気流路より上方の部位には、該シリンダヘ
ツドを水平方向に貫通する第１排気流路が形成さ
れ、また、上記シリンダヘツドの内部には、一端
が上記一対の排気口に連通し、他端側が上記第１
排気流路に連通して該シリンダヘツドの外部に連
通する第２排気流路が形成されて成ることを特徴
とする４弁式シリンダヘツドにおける吸排気構造
。 In a four-valve cylinder head in which a pair of intake ports and a pair of exhaust ports are formed on the lower surface, each one end communicates with the pair of intake ports, and each other end communicates with the pair of intake ports in the lower part of the interior of the cylinder head. A pair of intake passages are formed on the lower surface of the cylinder head, and a first exhaust passage is provided inside the cylinder head above the intake passages, and a first exhaust passage passes through the cylinder head in a horizontal direction. A passage is formed inside the cylinder head, and one end communicates with the pair of exhaust ports, and the other end communicates with the first exhaust port.
An intake and exhaust structure for a four-valve cylinder head, characterized in that a second exhaust flow path is formed which communicates with the exhaust flow path and communicates with the outside of the cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4694985U JPH0221570Y2 (en) | 1985-03-30 | 1985-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4694985U JPH0221570Y2 (en) | 1985-03-30 | 1985-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61164448U true JPS61164448U (en) | 1986-10-13 |
| JPH0221570Y2 JPH0221570Y2 (en) | 1990-06-11 |
Family
ID=30561822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4694985U Expired JPH0221570Y2 (en) | 1985-03-30 | 1985-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221570Y2 (en) |
-
1985
- 1985-03-30 JP JP4694985U patent/JPH0221570Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221570Y2 (en) | 1990-06-11 |