JPS619533U - Internal combustion engine cylinder reduction device - Google Patents

Internal combustion engine cylinder reduction device

Info

Publication number
JPS619533U
JPS619533U JP9321484U JP9321484U JPS619533U JP S619533 U JPS619533 U JP S619533U JP 9321484 U JP9321484 U JP 9321484U JP 9321484 U JP9321484 U JP 9321484U JP S619533 U JPS619533 U JP S619533U
Authority
JP
Japan
Prior art keywords
reduction device
combustion engine
internal combustion
valve
engine cylinder
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
JP9321484U
Other languages
Japanese (ja)
Inventor
利美 柏倉
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 JP9321484U priority Critical patent/JPS619533U/en
Publication of JPS619533U publication Critical patent/JPS619533U/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１大本考案による内燃機関の減筒装置の平面略図
、第２図は第１図の線■一■に沿った断面図、第３図は
第１図のバルブアクチュエータの群細図、第４図は第２
実施例の平面略図、第５図は第４図の線■一■に沿った
断面図、第６図は全気筒から減筒への移行状態を説明す
るためのグラフ、第７図は減筒から全気筒への移行状態
を説明するためのグラフ、第８図は吸気弁と開閉弁めた
めめ制御フローチャート−である。 １・・・吸気通路、２・・・スロッートル弁、５，６，
、７，８・・・枝管、９，１０，１１，１２・・・吸気
弁、１７．１８・・・開閉弁。Fig. 1 is a schematic plan view of the cylinder reduction device for an internal combustion engine according to the present invention; Fig. 2 is a cross-sectional view taken along line 1 in Fig. 1; and Fig. 3 is a detailed diagram of the valve actuator in Fig. 1. , Figure 4 is the second
A schematic plan view of the embodiment, FIG. 5 is a cross-sectional view taken along the line 1 in FIG. FIG. 8 is a graph for explaining the state of transition from to all cylinders, and is a control flowchart for intake valves and on-off valves. 1... Intake passage, 2... Throttle valve, 5, 6,
, 7, 8... branch pipe, 9, 10, 11, 12... intake valve, 17.18... opening/closing valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一部の気筒群のバルブを機関作動条件に応じて停止させ
得るようにした多気筒機関の減筒装眞において、減筒さ
れ得る気簡に通じる分岐枝賞に開閉弁を設け、該開閉弁
の作動をバルブの停止及び再駆動よりもそれぞれ先に行
わせるとともにその作動速度をバルブの作動速度よ．り
もゆっくりと行．わせるようにしたことを特徴とする多
気筒機関の減筒装置。In a cylinder reduction system for a multi-cylinder engine in which the valves of some cylinder groups can be stopped depending on the engine operating conditions, an on-off valve is provided in a branch branch that can easily be used to reduce the number of cylinders, and the on-off valve The operation is performed before the valve is stopped and restarted, and the operation speed is set to be the same as the valve operation speed. Go slowly. A cylinder reduction device for a multi-cylinder engine, characterized in that it is configured to increase the number of cylinders.
JP9321484U 1984-06-23 1984-06-23 Internal combustion engine cylinder reduction device Pending JPS619533U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9321484U JPS619533U (en) 1984-06-23 1984-06-23 Internal combustion engine cylinder reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9321484U JPS619533U (en) 1984-06-23 1984-06-23 Internal combustion engine cylinder reduction device

Publications (1)

Publication Number Publication Date
JPS619533U true JPS619533U (en) 1986-01-21

Family

ID=30650689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9321484U Pending JPS619533U (en) 1984-06-23 1984-06-23 Internal combustion engine cylinder reduction device

Country Status (1)

Country Link
JP (1) JPS619533U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912142A (en) * 1982-07-12 1984-01-21 Nissan Motor Co Ltd Control apparatus for altering number of operative cylinder
JPS5945251B2 (en) * 1976-11-29 1984-11-05 日本電気株式会社 sampling phase control device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5945251B2 (en) * 1976-11-29 1984-11-05 日本電気株式会社 sampling phase control device
JPS5912142A (en) * 1982-07-12 1984-01-21 Nissan Motor Co Ltd Control apparatus for altering number of operative cylinder

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