JPS611622U - Intake system for 4-stroke internal combustion engine - Google Patents

Intake system for 4-stroke internal combustion engine

Info

Publication number
JPS611622U
JPS611622U JP7596885U JP7596885U JPS611622U JP S611622 U JPS611622 U JP S611622U JP 7596885 U JP7596885 U JP 7596885U JP 7596885 U JP7596885 U JP 7596885U JP S611622 U JPS611622 U JP S611622U
Authority
JP
Japan
Prior art keywords
auxiliary
combustion engine
internal combustion
intake passage
stroke internal
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
JP7596885U
Other languages
Japanese (ja)
Other versions
JPS6113710Y2 (en
Inventor
高典 林田
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 JP7596885U priority Critical patent/JPS611622U/en
Publication of JPS611622U publication Critical patent/JPS611622U/en
Application granted granted Critical
Publication of JPS6113710Y2 publication Critical patent/JPS6113710Y2/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番示すもので、第１図は吸気
装置の縦断面図、第２図はそのシリンダを外してしめず
底面図である。 １ｂ・・・・・・一次絞り弁、１ｃ・・・・・・二次絞
り弁、１５・・・・・・主吸気通路、１８・・・・・・
補助絞り弁、２４・・・・・・補助吸気通路。The drawings show one embodiment of this invention; FIG. 1 is a longitudinal sectional view of the intake device, and FIG. 2 is a bottom view with the cylinder removed. 1b...Primary throttle valve, 1c...Secondary throttle valve, 15...Main intake passage, 18...
Auxiliary throttle valve, 24... Auxiliary intake passage.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）気化器の絞り弁１ｂ，ｌｃと燃焼室９との間の吸
気通路に、低負荷時にのみ閉じる補助絞り弁１８を設け
、それら両絞り弁間から分岐して、シリンダヘッド４の
吸気通路壁面から燃焼室方向を指向して開く補助吸気通
路２４を設けた４行程内燃機関において、その補助吸気
通路２４をシリンダヘッドの気化器１側の側面から、主
吸気通路１５の下面に沿って略平行に直線状に穿設して
なる吸気装置。(1) An auxiliary throttle valve 18 is provided in the intake passage between the throttle valves 1b, lc of the carburetor and the combustion chamber 9, and the auxiliary throttle valve 18 is closed only at low load. In a four-stroke internal combustion engine provided with an auxiliary intake passage 24 that opens from the passage wall surface toward the combustion chamber, the auxiliary intake passage 24 is opened from the side of the cylinder head on the carburetor 1 side, along the lower surface of the main intake passage 15. An air intake device with substantially parallel straight holes. （２）補助吸気通路２４は吸気弁１０の弁軸を避けて、
燃焼室９方向を指向している実用新案登録請求の範囲第
１項記載の４行程内燃機関の吸気装置。(2) The auxiliary intake passage 24 avoids the valve stem of the intake valve 10,
An intake system for a four-stroke internal combustion engine according to claim 1, wherein the combustion chamber is oriented in nine directions.
JP7596885U 1985-05-22 1985-05-22 Intake system for 4-stroke internal combustion engine Granted JPS611622U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7596885U JPS611622U (en) 1985-05-22 1985-05-22 Intake system for 4-stroke internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7596885U JPS611622U (en) 1985-05-22 1985-05-22 Intake system for 4-stroke internal combustion engine

Publications (2)

Publication Number Publication Date
JPS611622U true JPS611622U (en) 1986-01-08
JPS6113710Y2 JPS6113710Y2 (en) 1986-04-28

Family

ID=30617674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7596885U Granted JPS611622U (en) 1985-05-22 1985-05-22 Intake system for 4-stroke internal combustion engine

Country Status (1)

Country Link
JP (1) JPS611622U (en)

Also Published As

Publication number Publication date
JPS6113710Y2 (en) 1986-04-28

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