JPS6030331U - Internal combustion engine intake system - Google Patents

Internal combustion engine intake system

Info

Publication number
JPS6030331U
JPS6030331U JP12183883U JP12183883U JPS6030331U JP S6030331 U JPS6030331 U JP S6030331U JP 12183883 U JP12183883 U JP 12183883U JP 12183883 U JP12183883 U JP 12183883U JP S6030331 U JPS6030331 U JP S6030331U
Authority
JP
Japan
Prior art keywords
passage
combustion engine
internal combustion
intake system
intake
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
JP12183883U
Other languages
Japanese (ja)
Inventor
須合　雄孝
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP12183883U priority Critical patent/JPS6030331U/en
Publication of JPS6030331U publication Critical patent/JPS6030331U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Output Control And Ontrol Of Special Type Engine (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]

第１図はこの考案の一実施例を示す断面図、第２図はそ
の■−■線に沿った断面図、第３図は吸気弁の開閉時期
を示すバルブダイヤグラム、第４図および第５図は各々
この考案の異なる実施例を示す断面図である。 １・・・シリンダブロック、２・・・シリンダヘッド、
３・・・吸気管、４・・・吸気ポート、５・・・吸気通
路、６・・・シリンダ、７・・・吸気弁、８・・・隔壁
、９・・・第１通路、１０・・・第２通路、１３．１３
’・・・逆流防止弁、１６・・・負圧アクチュエータ、
２１・・・逆止弁、２２・・・負圧タンク、２４・・・
負圧切換弁、３１・・・リード弁。Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is a sectional view taken along the line ■-■, Fig. 3 is a valve diagram showing the opening and closing timing of the intake valve, and Figs. The figures are sectional views showing different embodiments of this invention. 1... Cylinder block, 2... Cylinder head,
3... Intake pipe, 4... Intake port, 5... Intake passage, 6... Cylinder, 7... Intake valve, 8... Partition wall, 9... First passage, 10... ...Second aisle, 13.13
'...Return prevention valve, 16...Negative pressure actuator,
21... Check valve, 22... Negative pressure tank, 24...
Negative pressure switching valve, 31... reed valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 閉時期を比較的遅く設定してなる吸気弁と、上記吸気弁
を介してシリンダ内に連通ずるとともに、吸気弁の比較
的近傍の一部分が第１通路および第２通路に分割形成さ
れ、かつ少くとも上記第１通路がベンチュリ状に形成さ
れてなる吸気通路・と、上記第２通路に介装された逆流
防止弁とを備えたことを特徴とする内燃機関の吸気装置
。An intake valve having a relatively late closing timing communicates with the inside of the cylinder via the intake valve, and a portion relatively near the intake valve is divided into a first passage and a second passage, and the intake valve has a relatively late closing timing. An intake system for an internal combustion engine, comprising: an intake passage in which the first passage is formed in a venturi shape; and a check valve interposed in the second passage.
JP12183883U 1983-08-05 1983-08-05 Internal combustion engine intake system Pending JPS6030331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12183883U JPS6030331U (en) 1983-08-05 1983-08-05 Internal combustion engine intake system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12183883U JPS6030331U (en) 1983-08-05 1983-08-05 Internal combustion engine intake system

Publications (1)

Publication Number Publication Date
JPS6030331U true JPS6030331U (en) 1985-03-01

Family

ID=30278710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12183883U Pending JPS6030331U (en) 1983-08-05 1983-08-05 Internal combustion engine intake system

Country Status (1)

Country Link
JP (1) JPS6030331U (en)

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