JPS6338634U - - Google Patents
Info
- Publication number
- JPS6338634U JPS6338634U JP13132186U JP13132186U JPS6338634U JP S6338634 U JPS6338634 U JP S6338634U JP 13132186 U JP13132186 U JP 13132186U JP 13132186 U JP13132186 U JP 13132186U JP S6338634 U JPS6338634 U JP S6338634U
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- end surface
- intake
- valve
- upstream
- 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
- 238000005192 partition Methods 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例に係る内燃機関の吸
気ポート隔壁構造の縦断面図、第２図は第１図の
―線に沿う断面図、第３図は第１図の―
線に沿う断面図、第４図は第１図の―線に沿
う断面図、第５図は従来の吸気ポート隔壁を有す
るエンジンと本考案の吸気ポート隔壁を有するエ
ンジンにおける各特性を示した特性図、である。
１……シリンダヘツド、２……吸気ポート、４
……バルブシート、５……吸気ポート隔壁、６…
…吸気ポート隔壁の下流側端面、７……吸気ポー
ト隔壁の上流側端面、７ａ……第１の端面、７ｂ
……第２の端面、７ｃ……第３の端面、１０……
バルブガイド、１１……燃料噴射弁、１２……吸
気ポート隔壁の主壁部、１６……シリンダヘツド
ボス穴、Ａ……燃料噴射弁の中心軸線、Ｂ……吸
気ポート隔壁の主壁部を通るシリンダヘツドボス
穴中心軸線。
FIG. 1 is a longitudinal cross-sectional view of an intake port partition structure of an internal combustion engine according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line --- in FIG. 1, and FIG.
4 is a sectional view taken along the line - in FIG. 1, and FIG. 5 is a sectional view showing the characteristics of an engine having a conventional intake port partition and an engine having the intake port partition of the present invention. Figure. 1...Cylinder head, 2...Intake port, 4
...Valve seat, 5...Intake port bulkhead, 6...
...Downstream end surface of the intake port partition, 7...Upstream end surface of the intake port partition, 7a...First end surface, 7b
...Second end face, 7c...Third end face, 10...
Valve guide, 11...Fuel injection valve, 12...Main wall of intake port partition, 16...Cylinder head boss hole, A...Center axis of fuel injection valve, B...Main wall of intake port partition The center axis of the cylinder head boss hole that passes through it.
Claims (1)
らの吸気を２個の吸気弁方向に分岐させる吸気ポ
ート隔壁を有し、該吸気ポート隔壁の上流に燃料
噴射弁を配設した内燃機関において、前記吸気ポ
ート隔壁の下流側の端面を、前記吸気弁が当接さ
れるバルブシートの近傍に形成し、前記吸気ポー
ト隔壁の上流側の端面を、バルブガイドの先端近
傍に位置し前記燃料噴射弁の中心軸線と直交する
第１の端面と、該第１の端面から前記燃料噴射弁
の中心軸線と平行に上流側に延びる第２の端面と
、前記第１の端面から円弧状に上流側に延び前記
吸気ポートの内壁に滑らかに接続される第３の端
面と、から構成したことを特徴とする内燃機関の
吸気ポート隔壁構造。 In an internal combustion engine having an intake port partition that is integrally formed with the cylinder head and that branches intake air from the intake port toward two intake valves, and in which a fuel injection valve is disposed upstream of the intake port partition, the intake port The downstream end face of the partition wall is formed near the valve seat against which the intake valve comes into contact, and the upstream end face of the intake port partition wall is formed near the tip of the valve guide and formed near the central axis of the fuel injection valve. a second end surface extending upstream from the first end surface parallel to the central axis of the fuel injector, and a second end surface extending upstream from the first end surface in an arc shape to the intake air. An intake port partition structure for an internal combustion engine, comprising: a third end surface smoothly connected to an inner wall of the port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13132186U JPH0415940Y2 (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13132186U JPH0415940Y2 (en) | 1986-08-29 | 1986-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6338634U true JPS6338634U (en) | 1988-03-12 |
| JPH0415940Y2 JPH0415940Y2 (en) | 1992-04-09 |
Family
ID=31029661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13132186U Expired JPH0415940Y2 (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415940Y2 (en) |
-
1986
- 1986-08-29 JP JP13132186U patent/JPH0415940Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0415940Y2 (en) | 1992-04-09 |