JPH01173421U - - Google Patents
Info
- Publication number
- JPH01173421U JPH01173421U JP6903788U JP6903788U JPH01173421U JP H01173421 U JPH01173421 U JP H01173421U JP 6903788 U JP6903788 U JP 6903788U JP 6903788 U JP6903788 U JP 6903788U JP H01173421 U JPH01173421 U JP H01173421U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- valve
- central branch
- port
- branch port
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の実施例を示すシリンダヘツド
の側面断面図、第２図は第１図の底面図、第３図
は本考案の他の実施例を示すシリンダヘツドの側
面断面図、第４図は第３図の底面図、第５図は従
来例の平面断面図である。
１……シリンダヘツド、２……吸気ポート、２
ｃ，２ｆ……中央分岐ポート部、２ｄ，２ｅ……
側方分岐ポート部、４……燃焼室、５ｃ，５ｄ，
５ｅ，５ｆ……吸気弁、７……点火栓、１２，１
３……開閉弁、１５……アクチユエータ、２３…
…電磁弁、２５……コントロールユニツト、２７
……水温センサ、３１……吸気マニフオールド。
Fig. 1 is a side sectional view of a cylinder head showing an embodiment of the present invention, Fig. 2 is a bottom view of Fig. 1, and Fig. 3 is a side sectional view of a cylinder head showing another embodiment of the invention. 4 is a bottom view of FIG. 3, and FIG. 5 is a plan sectional view of the conventional example. 1...Cylinder head, 2...Intake port, 2
c, 2f...Central branch port section, 2d, 2e...
Side branch port portion, 4... Combustion chamber, 5c, 5d,
5e, 5f...Intake valve, 7...Spark plug, 12,1
3... Opening/closing valve, 15... Actuator, 23...
... Solenoid valve, 25 ... Control unit, 27
...Water temperature sensor, 31...Intake manifold.
Claims (1)
を配設すると共に、前記３個の吸気弁に共通する
吸気ポートを各吸気弁に対応して中央分岐ポート
部とその両側の側方分岐ポート部とに分岐形成し
た内燃機関において、前記中央分岐ポート部に機
関温度が所定値以下のときに閉じる開閉弁を設け
たことを特徴とする内燃機関の吸気装置。 Three intake valves are arranged facing the combustion chamber of the cylinder head, and an intake port common to the three intake valves is connected to a central branch port part and side branches on both sides of the intake port corresponding to each intake valve. 1. An intake system for an internal combustion engine, characterized in that the central branch port section is provided with an on-off valve that closes when the engine temperature is below a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6903788U JPH0717785Y2 (en) | 1988-05-25 | 1988-05-25 | Internal combustion engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6903788U JPH0717785Y2 (en) | 1988-05-25 | 1988-05-25 | Internal combustion engine intake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01173421U true JPH01173421U (en) | 1989-12-08 |
| JPH0717785Y2 JPH0717785Y2 (en) | 1995-04-26 |
Family
ID=31294331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6903788U Expired - Lifetime JPH0717785Y2 (en) | 1988-05-25 | 1988-05-25 | Internal combustion engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717785Y2 (en) |
-
1988
- 1988-05-25 JP JP6903788U patent/JPH0717785Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717785Y2 (en) | 1995-04-26 |