JPS615332U - Multi-cylinder engine intake system - Google Patents

Multi-cylinder engine intake system

Info

Publication number
JPS615332U
JPS615332U JP8811284U JP8811284U JPS615332U JP S615332 U JPS615332 U JP S615332U JP 8811284 U JP8811284 U JP 8811284U JP 8811284 U JP8811284 U JP 8811284U JP S615332 U JPS615332 U JP S615332U
Authority
JP
Japan
Prior art keywords
intake
intake passage
cylinder engine
control valves
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.)
Granted
Application number
JP8811284U
Other languages
Japanese (ja)
Other versions
JPH0322518Y2 (en
Inventor
薫 奥井
Original Assignee
ヤマハ発動機株式会社
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 by ヤマハ発動機株式会社 filed Critical ヤマハ発動機株式会社
Priority to JP8811284U priority Critical patent/JPS615332U/en
Publication of JPS615332U publication Critical patent/JPS615332U/en
Application granted granted Critical
Publication of JPH0322518Y2 publication Critical patent/JPH0322518Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (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

【図面の簡単な説明】[Brief explanation of drawings]

図面はこの考案の一実施例を示すもので、第１図は一部
を破断したエンジンの平面図、第２図はその■−■断面
図、第３図はその■一■断面図である。 ５ａ・・・・・・第１吸気通路、５ｂ・・・・・・第２
吸気通路、８・・・・・・吸気分配箱、１０・・・・・
・絞り弁、１５・・・・・・制御弁、１６・・・・・・
弁軸、１７・・・・・・弁板、２１・・・・・・ダイア
フラム装置、２２・・・・・・弾膜、２３・・・・・・
圧力室、２４・・・・・・大気室、２７・・・・・・戻
しはね。The drawings show one embodiment of this invention; Fig. 1 is a partially cutaway plan view of the engine, Fig. 2 is a cross-sectional view along the line ■-■, and Fig. 3 is a cross-sectional view taken along the line ■-■. . 5a...first intake passage, 5b...second
Intake passage, 8...Intake distribution box, 10...
- Throttle valve, 15... Control valve, 16...
Valve shaft, 17...Valve plate, 21...Diaphragm device, 22...Blast membrane, 23...
Pressure chamber, 24...Atmospheric chamber, 27...Return.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）燃焼室に連なる少なくとも２個の吸気通路に、吸
気通路の壁面に近接して設けられた弁軸と、その弁軸に
一側を支持された非対称形の弁板とからなる２個一対の
制御弁を設けるものにおいて、一方の制御弁は弄板が気
流方向に従って開弁し、他方は気流に対向する方向に開
弁ずるように構成されている多気筒エンジンの吸気装置
。(1) At least two intake passages connected to the combustion chamber, each consisting of a valve shaft provided close to the wall of the intake passage, and an asymmetrical valve plate supported on one side by the valve shaft. An intake system for a multi-cylinder engine, in which a pair of control valves are provided, one of which has a control plate that opens in the direction of the airflow, and the other control valve that opens in the direction opposite to the airflow. （２）２個の吸気通路は共通１個の燃焼室に連なる、少
なくとも低速あるいは低出力用の第１吸気通路と高速あ
るいは高出力用の第２吸気通路とを有する複数で構成さ
れ、その第２吸気通路にはエンジンの速度あるいは出力
に依存して低速あるいは低出力時に閉じる制御弁が設け
られており、前記２個一対の制御弁は第２吸気通路に設
けられた制御弁である実用新案登録請求の範囲第１項記
載の多気筒エンジンの吸気装置。(2) The two intake passages are composed of a plurality of intake passages that are connected to a common combustion chamber and have at least a first intake passage for low speed or low output and a second intake passage for high speed or high output, and the second intake passage is for high speed or high output. The second intake passage is provided with a control valve that closes at low speed or low output depending on the speed or output of the engine, and the pair of said two control valves are control valves provided in the second intake passage. An intake system for a multi-cylinder engine according to claim 1. （３）前記２個一対の制御弁は吸気負圧を作動源として
開閉作動する負圧開閉形である実用新案登録請求の範囲
第１項記載の多気筒エンジンの吸気装置。 ｛４｝前記２個一対の制御弁と共同する吸気通路の内壁
は断面が略四角形である実用新案登録請求の範囲第１項
記載の多気筒エンジンの吸気装置。(3) The intake system for a multi-cylinder engine according to claim 1, wherein the two pair of control valves are of a negative pressure opening/closing type that opens and closes using intake negative pressure as an operating source. {4} The intake system for a multi-cylinder engine according to claim 1, wherein the inner wall of the intake passage that shares the two pairs of control valves has a substantially rectangular cross section.
JP8811284U 1984-06-15 1984-06-15 Multi-cylinder engine intake system Granted JPS615332U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8811284U JPS615332U (en) 1984-06-15 1984-06-15 Multi-cylinder engine intake system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8811284U JPS615332U (en) 1984-06-15 1984-06-15 Multi-cylinder engine intake system

Publications (2)

Publication Number Publication Date
JPS615332U true JPS615332U (en) 1986-01-13
JPH0322518Y2 JPH0322518Y2 (en) 1991-05-16

Family

ID=30640944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8811284U Granted JPS615332U (en) 1984-06-15 1984-06-15 Multi-cylinder engine intake system

Country Status (1)

Country Link
JP (1) JPS615332U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387826U (en) * 1989-12-19 1991-09-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387826U (en) * 1989-12-19 1991-09-06

Also Published As

Publication number Publication date
JPH0322518Y2 (en) 1991-05-16

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