JPS59194533U - Internal combustion engine intake system - Google Patents
Internal combustion engine intake systemInfo
- Publication number
- JPS59194533U JPS59194533U JP8795883U JP8795883U JPS59194533U JP S59194533 U JPS59194533 U JP S59194533U JP 8795883 U JP8795883 U JP 8795883U JP 8795883 U JP8795883 U JP 8795883U JP S59194533 U JPS59194533 U JP S59194533U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- groove portion
- intake
- throttle valve
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の内燃機関の側断面図、第２図は第１図の
■−■線断面図、第３図は別の従来例を示す側断面図、
第４図は第３図のＩＶ−ＩＶ線断面図、第５図はこの考
案の一実施例を示す側断面図、第６図は第５図のＶＩ−
ＶＩ線断面図、第７図は他の実施例を示す側断面図、第
８図は第７図の第２絞り弁の正面図を示すものである。
、１・・・・・・シリンダブロック、２・・・・・・ピ
ストン、３・・・・・・シリンダヘッド、３ａ・・・・
・・冷却液通路、４・・・・・・燃焼室、５・・・・・
・吸気ポート、６・・・・・・吸気弁、９ ゛・
・・・・・点火プラグ、１０・・・・・・吸気マニホル
ド、１１ −・・・気化器、１２・・・・・・第１
絞り弁、１４・・・・・・従来例の溝部、１４ａ・・・
・・・この考案の溝部、１，５・・・・・・第２絞り弁
、１８・・・・・・アクチェータ。FIG. 1 is a side sectional view of a conventional internal combustion engine, FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1, and FIG. 3 is a side sectional view showing another conventional example.
4 is a sectional view taken along the line IV--IV in FIG. 3, FIG. 5 is a side sectional view showing an embodiment of this invention, and FIG.
7 is a side sectional view showing another embodiment, and FIG. 8 is a front view of the second throttle valve shown in FIG. 7. , 1... Cylinder block, 2... Piston, 3... Cylinder head, 3a...
... Coolant passage, 4 ... Combustion chamber, 5 ...
・Intake port, 6...Intake valve, 9゛・
...Spark plug, 10...Intake manifold, 11 -...Carburetor, 12...1st
Throttle valve, 14...Groove portion of conventional example, 14a...
... Groove portion of this invention, 1, 5... Second throttle valve, 18... Actuator.
Claims (1)
の吸気通路内に負荷と応動し低負荷では閉じる第２絞り
弁を設け、第２絞り弁上流部と吸気弁座近傍との間に底
部が略々直線状の溝部を形成し、かつ溝部を流れる吸気
の主流は吸気弁全開時においては直接燃焼室に入るよう
に溝部を指向させたことを特徴とする内燃機関の吸気装
置。A second throttle valve is provided in the intake passage downstream of the first throttle valve that controls the amount of intake air supplied to the internal combustion engine, and the second throttle valve responds to the load and closes at low load, and is located between the upstream part of the second throttle valve and the vicinity of the intake valve seat. An intake device for an internal combustion engine, characterized in that a groove portion having a substantially straight bottom is formed in the groove portion, and the groove portion is oriented such that the main flow of intake air flowing through the groove portion directly enters a combustion chamber when the intake valve is fully opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8795883U JPS59194533U (en) | 1983-06-10 | 1983-06-10 | Internal combustion engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8795883U JPS59194533U (en) | 1983-06-10 | 1983-06-10 | Internal combustion engine intake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59194533U true JPS59194533U (en) | 1984-12-24 |
Family
ID=30217872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8795883U Pending JPS59194533U (en) | 1983-06-10 | 1983-06-10 | Internal combustion engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194533U (en) |
-
1983
- 1983-06-10 JP JP8795883U patent/JPS59194533U/en active Pending
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