JPH01111136U - - Google Patents

Info

Publication number
JPH01111136U
JPH01111136U JP451788U JP451788U JPH01111136U JP H01111136 U JPH01111136 U JP H01111136U JP 451788 U JP451788 U JP 451788U JP 451788 U JP451788 U JP 451788U JP H01111136 U JPH01111136 U JP H01111136U
Authority
JP
Japan
Prior art keywords
pipe
downstream
intake
upstream
intake pipe
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
Application number
JP451788U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP451788U priority Critical patent/JPH01111136U/ja
Publication of JPH01111136U publication Critical patent/JPH01111136U/ja
Pending legal-status Critical Current

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  • Characterised By The Charging Evacuation (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示すもので、第1図
は本考案装置を備えた内燃機関の吸気系の縦断面
図(吸気管の有効長さ最大時)、第2図はその作
動図(吸気管の有効長さ短縮時)、第3図は第1
図の要部の拡大図、第4図は上、下流管の間隙S
、吸気管の有効長さL及び最適機関回転数Neの
関係を示すグラフである。 S……上、下流管の間隙、1……内燃機関、4
……吸気管、4a,4b……上、下流管、18…
…漏斗状開口部、19……円錐面、20……凸状
弧面、21……環状凸部、22……円錐面、23
……凹状弧面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 機関の吸気ポートに接続される吸気管を、吸気
    方向上流側に位置する上流管と、下流側に位置す
    る下流管に分割し、これら上、下流管の間隙を調
    節することにより吸気管の有効長さを制御するよ
    うにした吸気管の有効長さ制御装置において、下
    流管の上流側開口部を漏斗状に形成し、この開口
    部に嵌合し得る円錐状の環状凸部を上流管の下流
    側端部に設けたことを特徴とする、吸気管の有効
    長さ制御装置。
JP451788U 1988-01-18 1988-01-18 Pending JPH01111136U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP451788U JPH01111136U (ja) 1988-01-18 1988-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP451788U JPH01111136U (ja) 1988-01-18 1988-01-18

Publications (1)

Publication Number Publication Date
JPH01111136U true JPH01111136U (ja) 1989-07-26

Family

ID=31207101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP451788U Pending JPH01111136U (ja) 1988-01-18 1988-01-18

Country Status (1)

Country Link
JP (1) JPH01111136U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007019686U1 (de) 2006-04-14 2015-07-14 Yamaha Hatsudoki Kabushiki Kaisha Kraftfahrzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007019686U1 (de) 2006-04-14 2015-07-14 Yamaha Hatsudoki Kabushiki Kaisha Kraftfahrzeug
EP2960459A1 (en) 2006-04-14 2015-12-30 Yamaha Hatsudoki Kabushiki Kaisha Vehicle

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