JPS61192559U - - Google Patents
Info
- Publication number
- JPS61192559U JPS61192559U JP7635685U JP7635685U JPS61192559U JP S61192559 U JPS61192559 U JP S61192559U JP 7635685 U JP7635685 U JP 7635685U JP 7635685 U JP7635685 U JP 7635685U JP S61192559 U JPS61192559 U JP S61192559U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- port
- valve
- combustion chamber
- cylinder
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は、本考案の一実施例による吸気装置を
備えた吸気２弁式多気筒エンジンの縦断概略側面
図、第２図は、そのエンジンのシリンダヘツド及
び吸気マニホルド部分の底面図、第３図は、その
シリンダヘツドの吸気導入口部分の概略正面図、
第４図は、その吸気マニホルドの吸気通路の断面
形状を示す説明図である。
１…エンジン本体、２…シリンダヘツド、３…
気筒、５…燃焼室、６…吸気ポート、６１，６２
…分岐ポート、８，８１，８２…吸気弁口、９…
吸気導入口、１１…吸気弁、１３，１３１，１３
２…吸気マニホルド、１８１，１８２…吸気通路
、２０…出口側開口。
FIG. 1 is a schematic vertical side view of an intake two-valve multi-cylinder engine equipped with an intake system according to an embodiment of the present invention, FIG. 2 is a bottom view of the cylinder head and intake manifold portion of the engine, and FIG. The figure is a schematic front view of the intake inlet portion of the cylinder head.
FIG. 4 is an explanatory diagram showing the cross-sectional shape of the intake passage of the intake manifold. 1...Engine body, 2...Cylinder head, 3...
Cylinder, 5... Combustion chamber, 6... Intake port, 6 1 , 6 2
... Branch port, 8, 8 1 , 8 2 ... Intake valve port, 9...
Intake intake port, 11... Intake valve, 13, 13 1 , 13
2 ... Intake manifold, 18 1 , 18 2 ... Intake passage, 20... Outlet side opening.
Claims (1)
の各燃焼室５に、それぞれ吸気弁１１，１１によ
つて開閉される２個の吸気弁口８１，８２が開口
し、 シリンダヘツド２に設けられ、各燃焼室５にそ
れぞれ吸気を導く複数の吸気ポート６が、それぞ
れそのシリンダヘツド２の外面に開口する各吸気
導入口９から分岐して、前記各燃焼室５の２個の
吸気弁口８１，８２に連なるようにされた、吸気
２弁式多気筒エンジンのための吸気装置であつて
； 前記吸気ポート６が、その吸気導入口９側の部
分が気筒列方向の中央寄りに偏位するように形成
されるとともに、 その吸気ポート６の吸気導入口９部分、及びそ
の吸気導入口９に接続される吸気マニホルド１３
の吸気通路１８１，１８２の出口側開口２０部分
の断面形状がほぼ四角形とされている、 吸気２弁式多気筒エンジンの吸気装置。 (2) 前記吸気マニホルド１３の吸気通路１８１
，１８２の断面形状が、 その出口側開口２０部分から吸気の流れ方向上
流側に向かつて、ほぼ四角形から円形へと徐々に
変化するようにされている、 実用新案登録請求の範囲第１項記載の吸気２弁
式多気筒エンジンの吸気装置。[Scope of claims for utility model registration] (1) A plurality of cylinders 3, 3,... arranged in series.
Two intake valve ports 8 1 and 8 2 are opened in each combustion chamber 5 and are opened and closed by intake valves 11 and 11, respectively, and are provided in the cylinder head 2 to guide intake air into each combustion chamber 5. A plurality of intake ports 6 are branched from each intake inlet 9 opening on the outer surface of the cylinder head 2, and are connected to two intake valve ports 81 , 82 of each combustion chamber 5. , an intake device for an intake two-valve multi-cylinder engine; the intake port 6 is formed such that a portion thereof on the intake port 9 side is deviated toward the center in the direction of the cylinder row; The intake port 9 portion of the intake port 6 and the intake manifold 13 connected to the intake port 9
An intake system for a two-valve multi-cylinder engine, in which the cross-sectional shape of the outlet side opening 20 portion of the intake passages 18 1 and 18 2 is approximately square. (2) Intake passage 18 1 of the intake manifold 13
, 18 2 gradually changes from a substantially rectangular shape to a circular shape from the outlet side opening 20 toward the upstream side in the flow direction of the intake air. An intake system for the intake two-valve multi-cylinder engine described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7635685U JPS61192559U (en) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7635685U JPS61192559U (en) | 1985-05-24 | 1985-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61192559U true JPS61192559U (en) | 1986-11-29 |
Family
ID=30618419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7635685U Pending JPS61192559U (en) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61192559U (en) |
-
1985
- 1985-05-24 JP JP7635685U patent/JPS61192559U/ja active Pending