JPS5954722U - Internal combustion engine intake system - Google Patents

Internal combustion engine intake system

Info

Publication number
JPS5954722U
JPS5954722U JP15110882U JP15110882U JPS5954722U JP S5954722 U JPS5954722 U JP S5954722U JP 15110882 U JP15110882 U JP 15110882U JP 15110882 U JP15110882 U JP 15110882U JP S5954722 U JPS5954722 U JP S5954722U
Authority
JP
Japan
Prior art keywords
throttle valve
intake passage
combustion engine
internal combustion
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.)
Granted
Application number
JP15110882U
Other languages
Japanese (ja)
Other versions
JPH0223791Y2 (en
Inventor
大川　晃三郎
靖雄 高木
村中　重夫
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 JP15110882U priority Critical patent/JPS5954722U/en
Publication of JPS5954722U publication Critical patent/JPS5954722U/en
Application granted granted Critical
Publication of JPH0223791Y2 publication Critical patent/JPH0223791Y2/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]

第１図は従来の吸気装置を示す断面図、第２図はスワー
ル比と燃費との関係を示す特性図、第３図はこの考案に
係る吸気装置の要部のみの構成説明図、第４図は異なる
実施例を示す同じく要部のみの構成説明図、第５図は補
助絞弁を駆動するアクチュエータの異なる例を示す構成
説明図である。 １・・・主吸気通路、２・・・吸気弁、３・・・燃焼室
、４・・・絞弁、５・・・副吸気通路、６・・・補助絞
弁、−７・・・ダイヤプラム式アクチュエータ、８・・
・リンクプレート、９・・・リンク、１１・・・ストッ
パ機構、１２−・・ストッパロッド、１４・・・サーモ
ワックス、１５・・・ヒータ、１６・・・イグニッショ
ンスイッチ、１８・・・温水通路。Fig. 1 is a sectional view showing a conventional intake system, Fig. 2 is a characteristic diagram showing the relationship between swirl ratio and fuel efficiency, Fig. 3 is an explanatory diagram of the configuration of only the main parts of the intake system according to this invention, and Fig. 4 The drawings are structural explanatory diagrams showing only the main parts, showing a different embodiment, and FIG. 5 is a structural explanatory diagram showing a different example of an actuator that drives an auxiliary throttle valve. DESCRIPTION OF SYMBOLS 1... Main intake passage, 2... Intake valve, 3... Combustion chamber, 4... Throttle valve, 5... Sub-intake passage, 6... Auxiliary throttle valve, -7... Diaphragm actuator, 8...
・Link plate, 9... Link, 11... Stopper mechanism, 12-... Stopper rod, 14... Thermo wax, 15... Heater, 16... Ignition switch, 18... Hot water passage .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸気弁を介して燃焼室に連通し、かつ絞弁が介装された
主吸気通路と、上記絞弁下流にて主吸気通路から分岐さ
れ、かつ先端が上記吸気弁近傍に開口した副吸気通路と
、この副吸気通路の分岐点より下流の主吸気通路内に配
設され、上記絞弁下流の吸入負圧の増大に応じて閉弁さ
れる補助絞弁と、機関暖機状態に関連して作動する加熱
機構と、この加熱機構の温度状態に応じて上記補助絞弁
の最小開度を規制するストッパ機構とを備えてなる内燃
機関の吸気装置。A main intake passage that communicates with the combustion chamber via an intake valve and is equipped with a throttle valve, and a sub-intake passage that is branched from the main intake passage downstream of the throttle valve and whose tip opens near the intake valve. and an auxiliary throttle valve that is disposed in the main intake passage downstream of the branch point of the auxiliary intake passage and that closes in response to an increase in suction negative pressure downstream of the throttle valve, and a An intake system for an internal combustion engine, comprising: a heating mechanism that operates according to the temperature condition of the heating mechanism; and a stopper mechanism that regulates the minimum opening degree of the auxiliary throttle valve according to the temperature state of the heating mechanism.
JP15110882U 1982-10-05 1982-10-05 Internal combustion engine intake system Granted JPS5954722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15110882U JPS5954722U (en) 1982-10-05 1982-10-05 Internal combustion engine intake system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15110882U JPS5954722U (en) 1982-10-05 1982-10-05 Internal combustion engine intake system

Publications (2)

Publication Number Publication Date
JPS5954722U true JPS5954722U (en) 1984-04-10
JPH0223791Y2 JPH0223791Y2 (en) 1990-06-28

Family

ID=30334949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15110882U Granted JPS5954722U (en) 1982-10-05 1982-10-05 Internal combustion engine intake system

Country Status (1)

Country Link
JP (1) JPS5954722U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442525A (en) * 1977-09-09 1979-04-04 Yamaha Motor Co Ltd Suction device of engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442525A (en) * 1977-09-09 1979-04-04 Yamaha Motor Co Ltd Suction device of engine

Also Published As

Publication number Publication date
JPH0223791Y2 (en) 1990-06-28

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