JPS5877127U - Internal combustion engine intake system - Google Patents
Internal combustion engine intake systemInfo
- Publication number
- JPS5877127U JPS5877127U JP17197681U JP17197681U JPS5877127U JP S5877127 U JPS5877127 U JP S5877127U JP 17197681 U JP17197681 U JP 17197681U JP 17197681 U JP17197681 U JP 17197681U JP S5877127 U JPS5877127 U JP S5877127U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- intake passage
- intake system
- engine intake
- 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)
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図はこの考案に係る吸気通路の縦断面図、第２図は
第１図の■−■線による要部断面図、第３図はスワール
の発生状況とそのピッチを説明するシリンダの縦断面図
である。
図において、２はシリンダヘッド、２ｄはデツキ面、１
０は低負荷用１次吸気通路、１０Ｃは１次吸気流の中心
、１１は吐出開口、１２は高負荷用２次吸気通路、１２
Ｃは２次吸気流の中心、１６は吸気弁座、１６ｊは滑走
部、１６ｕは吸気弁座の上面、θ１は１次吸気流の中心
がデツキ面と為す角、Ｈは１次吸気流の中心とシリンダ
の中心軸との交点からデツキ面までの距離である。Fig. 1 is a longitudinal sectional view of the intake passage according to this invention, Fig. 2 is a sectional view of the main part taken along the line It is a front view. In the figure, 2 is the cylinder head, 2d is the deck surface, 1
0 is the primary intake passage for low load, 10C is the center of the primary intake flow, 11 is the discharge opening, 12 is the secondary intake passage for high load, 12
C is the center of the secondary intake flow, 16 is the intake valve seat, 16j is the sliding part, 16u is the upper surface of the intake valve seat, θ1 is the angle between the center of the primary intake flow and the deck surface, and H is the angle of the primary intake flow. This is the distance from the intersection of the center and the central axis of the cylinder to the deck surface.
Claims (1)
する複式吸気内燃機関において、低負荷用１次吸気通路
がシリンダヘッドのデツキ面と冷す角θ１を小さく且つ
該デツキ面に接近させて低負荷用１次吸気通路を形成し
、吸気弁座の上面の一部により低負荷用１次吸気通路の
吐出開口内周面のシリンダヘッドのデツキ面側の一部と
し滑走部を形成したことを特徴とする内燃機関の吸気装
置。In a dual intake internal combustion engine having a primary intake passage for low loads and a secondary intake passage for high loads, the primary intake passage for low loads has a cooling angle θ1 with the deck surface of the cylinder head that is small and is close to the deck surface. A part of the upper surface of the intake valve seat is used as a part of the discharge opening inner peripheral surface of the low-load primary intake passage on the deck surface side of the cylinder head to form a sliding part. An intake system for an internal combustion engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17197681U JPS5877127U (en) | 1981-11-20 | 1981-11-20 | Internal combustion engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17197681U JPS5877127U (en) | 1981-11-20 | 1981-11-20 | Internal combustion engine intake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877127U true JPS5877127U (en) | 1983-05-25 |
| JPS6226590Y2 JPS6226590Y2 (en) | 1987-07-08 |
Family
ID=29963888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17197681U Granted JPS5877127U (en) | 1981-11-20 | 1981-11-20 | Internal combustion engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877127U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5578124A (en) * | 1978-12-07 | 1980-06-12 | Yamaha Motor Co Ltd | Suction device for engine |
-
1981
- 1981-11-20 JP JP17197681U patent/JPS5877127U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5578124A (en) * | 1978-12-07 | 1980-06-12 | Yamaha Motor Co Ltd | Suction device for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6226590Y2 (en) | 1987-07-08 |
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