JPH0454938U - - Google Patents
Info
- Publication number
- JPH0454938U JPH0454938U JP9778790U JP9778790U JPH0454938U JP H0454938 U JPH0454938 U JP H0454938U JP 9778790 U JP9778790 U JP 9778790U JP 9778790 U JP9778790 U JP 9778790U JP H0454938 U JPH0454938 U JP H0454938U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- branch
- upstream
- branch passages
- intake system
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
本考案の実施例に係る吸気装置の平面図、第２図
は同正面図である。
１……吸気装置、３……上流通路、４……集合
室、４ａ……下流端部、４ｂ……上流端部、４ｃ
……延出部、７……分岐通路。
The drawings show an embodiment of the present invention, and FIG. 1 is a plan view of an intake device according to the embodiment of the present invention, and FIG. 2 is a front view thereof. 1...Intake device, 3...Upstream passage, 4...Collection chamber, 4a...Downstream end, 4b...Upstream end, 4c
...extension, 7...branch passage.
Claims (1)
複数の分岐通路と、これら分岐通路の上流端が束
状に集合して接続された集合室と、上記集合室に
下流端が接続された上流通路とを備えた多気筒エ
ンジンの吸気装置において、 上記集合室に接続される上記各分岐通路の上流
端の通路面と上記各吸気ポートに接続される上記
各分岐通路の下流端の通路面とが略直交するとと
もに、上記集合部の一部を少なくとも一部の分岐
通路へ延出させる延出部を設け、該延出部通路面
積は該分岐通路面積と比較し大きくし、上記各分
岐通路の長さをほぼ等しくすることを特徴とする
多気筒エンジンの吸気装置。 (2) 点火順序が隣り合う少なくとも一部の上記
分岐通路同士の上流を隣接させるとともに、該各
分岐通路に接続される下流端部を同一面としたこ
とを特徴とする第１請求項記載の多気筒エンジン
の吸気装置。[Claims for Utility Model Registration] (1) A plurality of branch passages each connected to the intake ports of a plurality of cylinders, a collection chamber in which the upstream ends of these branch passages are connected together in a bundle, and the collection In an intake system for a multi-cylinder engine, comprising an upstream passage whose downstream end is connected to a chamber, a passage surface at an upstream end of each of the branch passages connected to the collective chamber, and a passage surface of the upstream passage connected to each of the intake ports. An extension part is provided which is substantially perpendicular to the passage surface at the downstream end of each branch passage and extends a part of the gathering part to at least part of the branch passage, and the passage area of the extension part is the area of the branch passage. An intake system for a multi-cylinder engine, characterized in that the length of each of the branch passages is made substantially equal to each other. (2) At least some of the branch passages whose ignition orders are adjacent to each other are arranged upstream to each other, and the downstream ends connected to the respective branch passages are flush with each other. Intake system for multi-cylinder engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9778790U JPH0454938U (en) | 1990-09-18 | 1990-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9778790U JPH0454938U (en) | 1990-09-18 | 1990-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454938U true JPH0454938U (en) | 1992-05-12 |
Family
ID=31838465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9778790U Pending JPH0454938U (en) | 1990-09-18 | 1990-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454938U (en) |
-
1990
- 1990-09-18 JP JP9778790U patent/JPH0454938U/ja active Pending