JPS6136126U - Intake system for multi-cylinder internal combustion engine - Google Patents

Intake system for multi-cylinder internal combustion engine

Info

Publication number
JPS6136126U
JPS6136126U JP12022184U JP12022184U JPS6136126U JP S6136126 U JPS6136126 U JP S6136126U JP 12022184 U JP12022184 U JP 12022184U JP 12022184 U JP12022184 U JP 12022184U JP S6136126 U JPS6136126 U JP S6136126U
Authority
JP
Japan
Prior art keywords
internal combustion
combustion engine
cylinder internal
intake
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
JP12022184U
Other languages
Japanese (ja)
Other versions
JPH0247235Y2 (en
Inventor
功 松本
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP12022184U priority Critical patent/JPS6136126U/en
Publication of JPS6136126U publication Critical patent/JPS6136126U/en
Application granted granted Critical
Publication of JPH0247235Y2 publication Critical patent/JPH0247235Y2/ja
Granted legal-status Critical Current

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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 the drawing]

第ｊ図は本考案の実施例を示す正面図、第２図は同上実
施例の側面断面図、第３図は吸気制御弁の開閉と機関の
負荷及び速度との関係を示す図、第４図は吸気制御弁の
開閉制御により体積効率の変化する状態を示す図である
。 １・・・・・・機関本体、２ａ＊ ２ｂ＊ ２ｃｔ
２ｄ・・・・・・吸気通路、３・・・・・・サージ
タンク、６・・・・・・連通管、ａ． ７ｂ， ７
ｃ， ７ｄ・・・・・・吸気制御弁。Figure J is a front view showing an embodiment of the present invention, Figure 2 is a side sectional view of the same embodiment, Figure 3 is a diagram showing the relationship between opening and closing of the intake control valve and engine load and speed, and Figure 4 is a diagram showing the relationship between the opening and closing of the intake control valve and the engine load and speed. The figure is a diagram showing how the volumetric efficiency changes due to the opening/closing control of the intake control valve. 1... Engine body, 2a* 2b* 2ct
2d...Intake passage, 3...Surge tank, 6...Communication pipe, a. 7b, 7
c, 7d... Intake control valve.

Claims (1)

【実用新案登録請求の範囲】 １ サージタンク下流に、同一方向にわん曲した複数の
吸気通路を並列配置し、この各吸気通路を相互に連通さ
せる連通路を設けるととにもこの連通路を各吸気通路の
前記わん曲部の内周側に開口するよう位置せしめ、前記
連通路には前記各吸気通路を開閉制御する制御弁を設け
た多気筒内燃機関の吸気装置。 ２ 前記制御弁は機関の高負荷・低中速回転域で閉じ、
その他の運転域では開くよう制御される実用新案登録請
求の範囲第１項記載の多気筒内燃機関の吸気装置。[Claims for Utility Model Registration] 1. A plurality of intake passages curved in the same direction are arranged in parallel downstream of the surge tank, and a communication passage is provided for communicating the intake passages with each other. An intake system for a multi-cylinder internal combustion engine, wherein each intake passage is positioned so as to open on the inner peripheral side of the curved portion, and the communication passage is provided with a control valve that controls opening and closing of each intake passage. 2 The control valve closes in the engine's high load/low to medium speed rotation range,
An intake system for a multi-cylinder internal combustion engine according to claim 1, which is controlled to be opened in other operating ranges.
JP12022184U 1984-08-06 1984-08-06 Intake system for multi-cylinder internal combustion engine Granted JPS6136126U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12022184U JPS6136126U (en) 1984-08-06 1984-08-06 Intake system for multi-cylinder internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12022184U JPS6136126U (en) 1984-08-06 1984-08-06 Intake system for multi-cylinder internal combustion engine

Publications (2)

Publication Number Publication Date
JPS6136126U true JPS6136126U (en) 1986-03-06
JPH0247235Y2 JPH0247235Y2 (en) 1990-12-12

Family

ID=30679052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12022184U Granted JPS6136126U (en) 1984-08-06 1984-08-06 Intake system for multi-cylinder internal combustion engine

Country Status (1)

Country Link
JP (1) JPS6136126U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61116019A (en) * 1984-11-08 1986-06-03 Mazda Motor Corp Engine intake-air device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534007U (en) * 1976-06-29 1978-01-14

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534007B2 (en) * 1975-02-27 1978-02-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534007U (en) * 1976-06-29 1978-01-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61116019A (en) * 1984-11-08 1986-06-03 Mazda Motor Corp Engine intake-air device

Also Published As

Publication number Publication date
JPH0247235Y2 (en) 1990-12-12

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