JPS614822A - Controller for multi-cylinder internal-combustion engine - Google Patents

Controller for multi-cylinder internal-combustion engine

Info

Publication number
JPS614822A
JPS614822A JP59124425A JP12442584A JPS614822A JP S614822 A JPS614822 A JP S614822A JP 59124425 A JP59124425 A JP 59124425A JP 12442584 A JP12442584 A JP 12442584A JP S614822 A JPS614822 A JP S614822A
Authority
JP
Japan
Prior art keywords
electronic control
control
control section
regulation valve
ignition timing
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
JP59124425A
Other languages
Japanese (ja)
Inventor
Shigeki Hashimoto
茂樹 橋本
Mikiyasu Uchiyama
内山 幹康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP59124425A priority Critical patent/JPS614822A/en
Publication of JPS614822A publication Critical patent/JPS614822A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0205Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the charging effect
    • F02B27/021Resonance charging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0242Fluid communication passages between intake ducts, runners or chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268Valves
    • F02B27/0273Flap valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D37/00Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
    • F02D37/02Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/24Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B2075/1804Number of cylinders
    • F02B2075/1808Number of cylinders two
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B75/22Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Characterised By The Charging Evacuation (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE:To simplify the structure of a system where the intake paths of at least two cylinders having different phase of operating cycle are communicated through communication path arranged with a regulation valve, by sharing the electronic control section for the regulation valve and for the ignition timing. CONSTITUTION:The upstream sides of the throttle valves 7a, 7b in the intake paths 5a, 6b are communicated through a communication path 8 arranged with a regulation valve 9 to be controlled through an electronic control section 11. The electronic control section 11 is constructed to adjust the opening of the regulation valve 9 while to adjust the ignition timing of control section 11 is comprised of a microcomputer 15 stored with the control maps of the opening of regulation valve and the ignition timing. The regulation valve 9 and the ignition plugs 10a, 10b are map controlled respectively through a servo motor unit 13 and the ignition coils 12a, 12b.

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明は多気筒内燃機関の吸気制御と点火時期制御を同
時に行う制御装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a control device that simultaneously performs intake control and ignition timing control for a multi-cylinder internal combustion engine.

〔従来技術〕[Prior art]

多気筒内燃機関において、負荷の如何にかかわらず低回
転速度から高回転速度にわたり、常に高い吸入効率の状
態を維持するため、作動サイクルの位相が互いに異なる
少なくとも二つの気筒の吸気通路を連通路で互いに連通
し、その連通路に機関回転速度に従って開閉作動する調
節弁を設けるようにしたものが、先願の待願昭58−1
97958号発明によって提案されている。上記調節弁
の開度は、機関回転速度の検出信号に基づき電子制御部
によって制御されるようになっ゛ている。
In a multi-cylinder internal combustion engine, in order to always maintain a state of high intake efficiency from low to high rotational speeds regardless of the load, the intake passages of at least two cylinders whose operating cycle phases are different from each other are connected by a communication passage. A device that communicates with each other and is provided with a control valve that opens and closes according to the engine rotation speed in the communication path is disclosed in the earlier application filed in 1982-1.
This is proposed by the No. 97958 invention. The opening degree of the control valve is controlled by an electronic control section based on a detection signal of the engine rotation speed.

一方、点火時期も機関回転速度に応じて点火進角度を変
化させることにより出力を向上させることができるため
、同じく機関回転速度の検出信号に基づき電子制御部を
介して制御するようにしたものがある。
On the other hand, since the output can be improved by changing the ignition advance angle according to the engine rotation speed, it is also possible to control the ignition timing via an electronic control unit based on the engine rotation speed detection signal. be.

しかし、上述のような二つの電子制御部を1台の車両に
設けることは、余分な物品収納スペースや導線のワイヤ
リングを必要とし、特に自動二輪車のように収納スペー
スが極端に制限される車両においてはその影響が大きい
However, providing two electronic control units as described above in one vehicle requires extra storage space and wiring, especially in vehicles where storage space is extremely limited such as motorcycles. has a large influence.

〔発明の目的〕[Purpose of the invention]

本発明の目的は、吸気制御を行う調節弁開度の制御と点
火時期の制御との両方を一つの電子制御部によって行う
ことにより機構を簡潔にし、物品収納スペースを広げる
ことができる多気筒内燃機関の制御装置を提供すること
にある。
An object of the present invention is to provide a multi-cylinder internal combustion engine which can simplify the mechanism and expand storage space for goods by controlling both the opening degree of the control valve for controlling the intake air and the control of the ignition timing using a single electronic control unit. The purpose is to provide engine control equipment.

〔発明の構成〕[Structure of the invention]

上記目的を達成するための本発明の制御装置は、作動サ
イクルの位相が互いに異なる少なくとも二つの気筒の吸
気通路を相互に連通ずる連通路を設けると共に、この連
通路を開閉する調節弁を設け、この調節弁の開度を機関
回転速度の検出信号に基づき電子制御部を介して制御す
べくした多気筒内燃機関において、前記調節弁の開度を
制御する電子制御部を、点火時期を制御する電子制御部
と兼用する構成にしたことを特徴とするものである。
To achieve the above object, the control device of the present invention is provided with a communication passage that communicates the intake passages of at least two cylinders whose operating cycles have different phases with each other, and a control valve that opens and closes this communication passage, In a multi-cylinder internal combustion engine in which the opening degree of the control valve is controlled via an electronic control unit based on a detection signal of engine rotational speed, the electronic control unit controlling the opening degree of the control valve controls ignition timing. This device is characterized in that it is configured to be used also as an electronic control section.

〔発明の実施例〕[Embodiments of the invention]

以下、本発明を図に示す実施例により説明する。 Hereinafter, the present invention will be explained with reference to embodiments shown in the drawings.

第1図において、■は2気筒をV形に配置した内燃機関
であり、2a、2bは気筒、3a。
In FIG. 1, ■ is an internal combustion engine with two cylinders arranged in a V-shape, 2a and 2b are cylinders, and 3a.

3bはピストン、4はクランク軸である。ピストン3a
、3bの作動サイクルの位相は互いに異なる関係になっ
ている。気筒2a、2bの上部に形成される燃焼室には
、それぞれ点火栓10a、10bが設けられると共に、
吸排気弁を介して吸気通路5a、5bと排気通路6a、
6bが接続されている。吸気通路5a、5bの上流には
それ゛ぞれ燃料の混合ガスの吸気量を調節する絞り弁?
a、7bが設けられ、かつその下流側は連通路8によっ
て互いに連通している。
3b is a piston, and 4 is a crankshaft. Piston 3a
, 3b have different phases in their operation cycles. Ignition plugs 10a and 10b are provided in the combustion chambers formed in the upper portions of the cylinders 2a and 2b, respectively, and
Intake passages 5a, 5b and exhaust passage 6a through intake and exhaust valves,
6b is connected. Throttle valves are provided upstream of the intake passages 5a and 5b, respectively, to adjust the intake amount of the fuel mixture gas.
a and 7b are provided, and their downstream sides communicate with each other through a communication path 8.

この連通路8には、その通路を開閉する調節弁9が設け
られ、機関が低速回転のときは開度を小さくし、高速回
転になるに従って開度を大きく制御されるようにしであ
る。このような調節弁9の制御により、機関は負荷の如
何にかかわらず、低速回転から高速回転まで常に高い吸
入効率を維持し、高出力を発生させることができる。
This communication passage 8 is provided with a control valve 9 that opens and closes the passage, and the opening degree is controlled to be small when the engine rotates at low speed, and to increase as the engine rotates at high speed. By controlling the control valve 9 in this manner, the engine can always maintain high suction efficiency from low speed rotation to high speed rotation and generate high output regardless of the load.

上記点火栓10a、10bの点火時期と調節弁9の開度
とは、後述するマイクロコンピュータ15を内蔵した共
通の電子制御部11によってマツプ制御され、かつ前者
の点火栓1a、10bは点火コイル12a、12bを介
して、後者の調節弁9ばサーボモータユニット13を介
してそれぞれ駆動されるようになっている。第2図に示
すように、上記共通の電子制御部11電子制御部11は
中央演算手段としてマイクロコンピュータ15を有し、
点火時期の制御マツプと#IItl @弁開度の制御マ
ツプとの両マツプが記憶さセである。このマイクロコン
ピーク15には暴走防止回路16が付設され、暴走する
ことがないようにしである。また、マイクロコンピータ
15の入力側には入力インタフェース17とA/Dコン
バータ20が設けられ、出力側には点火出力のための点
火駆動部21と、調節弁制御出力のためのモータ駆動部
22がそれぞれ設けられている。
The ignition timing of the spark plugs 10a, 10b and the opening degree of the control valve 9 are map-controlled by a common electronic control unit 11 incorporating a microcomputer 15, which will be described later. , 12b, and the latter control valve 9 is driven via a servo motor unit 13, respectively. As shown in FIG. 2, the common electronic control section 11 has a microcomputer 15 as a central processing means,
Both the ignition timing control map and the #IItl@valve opening control map are stored. A runaway prevention circuit 16 is attached to this microconpeak 15 to prevent runaway. Further, an input interface 17 and an A/D converter 20 are provided on the input side of the microcomputer 15, and an ignition drive section 21 for ignition output and a motor drive section 22 for control valve control output are provided on the output side. Each is provided.

上記マイクロコンピュータ15には、バルサコイル16
によって検出した機関回転速度Nが入力インタフェース
17を介して入力されると共に、絞すセンサ18によっ
て検出した絞り弁開度θtと水温センサ19によって検
出した機関の冷却水温度Tとが、それぞれA/D:Jン
ハータ20を介して入力されるようになっている。
The microcomputer 15 includes a balsa coil 16
The engine rotational speed N detected by is inputted via the input interface 17, and the throttle valve opening θt detected by the throttle sensor 18 and the engine cooling water temperature T detected by the water temperature sensor 19 are inputted via the input interface 17, respectively. D: It is designed to be inputted via the digital converter 20.

また、調節弁開度の制御のため、サーボモータユニット
1°3からは現時点の調節弁開度θpがA/Dコンバー
タ20を介してマイクロコンピュータ15に入力される
ようになっている。
Further, in order to control the control valve opening degree, the current control valve opening degree θp is input from the servo motor unit 1° 3 to the microcomputer 15 via the A/D converter 20.

上述のように人力された各信号は、マイクロコンピュー
タ15において第3図のブロックダイヤグラムに示すよ
うに点火制御マツプ及び調節弁制御マツプに参照させて
演算処理され、それぞれ点火駆動部21には点火制御出
力を、またモータ駆動部22には調節弁制御出力を出力
する。このときの点火制御は、第4図のフローチャート
に示すルーチンにより処理され、また調節弁制御は第5
図のフローチャートに示すルーチンにより処理される。
Each signal manually input as described above is processed in the microcomputer 15 by referring to the ignition control map and the control valve control map as shown in the block diagram of FIG. In addition, a control valve control output is output to the motor drive section 22. Ignition control at this time is processed by the routine shown in the flowchart of FIG.
Processing is performed by the routine shown in the flowchart in the figure.

これらの制御には、第6図のフローチャートに示すよう
な補正ルーチンを介在してあり、機関同転速度変化量及
び絞り弁開度変化量と冷却水温度によって出力を補正す
るようにし、一層高度な制御を行うようにしている。
These controls include a correction routine as shown in the flowchart in Figure 6, which corrects the output based on the engine rotational speed change, throttle valve opening change, and cooling water temperature. We are trying to carry out appropriate control.

上述した電子制御部11は、調節弁開度の制御と点火時
期の制御に機関回転速度などを共通の制fffll因子
として使用することにより、一つの電子制御部により再
制御を同時に行うようにしている。そのため、それぞれ
の制御に電子制御部を個別に設ける必要がなく、物品収
納スペースを広げるようにしている。また、電子制御部
が一つであることにより、導線のワイヤリングが簡潔と
なり、信頼性の向上と製作コスト低減に寄与している。
The above-mentioned electronic control section 11 uses the engine rotation speed and the like as a common control factor for controlling the control valve opening degree and controlling the ignition timing, so that recontrol is performed simultaneously by one electronic control section. There is. Therefore, there is no need to separately provide an electronic control section for each control, and the article storage space is expanded. Furthermore, since there is only one electronic control section, wiring of conductors is simplified, contributing to improved reliability and reduced manufacturing costs.

なお、−1−記実施例では、制御因子として機関回転速
度の他に絞り弁開度を使用し、さらに出力デーク補正の
ために冷却水温度を使用しているが、後2者の絞り弁開
度、冷却水温度は、必ずしも使用する必要はない。しか
し、特に校り弁開度を制御因子に加えると、機関負荷が
制御に加味されるため、加減速時における応答特性を著
しく向上することができるメリットがあるため好ましい
In addition, in the embodiment described in -1-, the throttle valve opening degree is used in addition to the engine rotational speed as a control factor, and the cooling water temperature is also used for output data correction, but the latter two throttle valves are used as control factors. The opening degree and cooling water temperature do not necessarily need to be used. However, especially when the calibration valve opening is added to the control factor, the engine load is taken into account in the control, which has the advantage of significantly improving response characteristics during acceleration and deceleration, which is preferable.

〔発明の効果〕〔Effect of the invention〕

上述したように本発明の制御装置は、作動サイクルの位
相が互いに異なる少なくとも二つの気筒の吸気°通路を
相互に連通ずる連通路を設けると共に、この連通路を開
閉する調節弁を設け、この調節弁の開度を機関回転速度
の検出信号に基づき電子制御部を介して制御すべくした
多気筒内燃機関において、前記調節弁の開度を制御する
電子制御部を、点火時期を制御する電子制御部と兼用す
る構成にしたので、一つの電子制御部によって二つの制
御を同時に行うことになり、機構を簡潔にすると共に、
部品の収納スペースを広げることができる。
As described above, the control device of the present invention is provided with a communication passage that communicates the intake passages of at least two cylinders whose operating cycle phases are different from each other, and a control valve that opens and closes this communication passage. In a multi-cylinder internal combustion engine in which the opening degree of a valve is controlled via an electronic control unit based on a detection signal of engine rotational speed, the electronic control unit controlling the opening degree of the control valve is controlled by an electronic control unit controlling the ignition timing. Since it is configured so that it can be used as both the electronic control section and the control section, one electronic control section can perform two controls at the same time, simplifying the mechanism and
You can expand the storage space for parts.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の実施例による多気筒内燃機関の制fa
ll装置を示す概略図、第2図は同装置を装備した自動
二輪車の側面図、第3図は同制御装置におりるマイクロ
コンピュータの機能をブロノクダイートダラムで示す説
明図、第4図は同制御装置の点火制御を示すフローチャ
ート図、第5図は同じく調節弁開度制御を示すフローチ
ャート図、第6図は同じく補正ルーチンのフローチャー
1・図である。 ■・・・多気筒内燃機関、 2a、2b・・・気筒、5
 a l  J b・・・吸気通路、 7a、7b・・
・絞り弁8・・・連通路1.9・・・調節弁、 10a
、10b・・・点火栓、 11・・・電子制御部、 1
5・・・マイクロコンピュータ、  16・・・バルサ
コイル(機関回転速度検出部)、  18・・・絞りセ
ンサ(絞り弁開度検出部)。
FIG. 1 shows the control fa of a multi-cylinder internal combustion engine according to an embodiment of the present invention.
Fig. 2 is a side view of a motorcycle equipped with the device, Fig. 3 is an explanatory diagram showing the functions of the microcomputer in the control device, and Fig. 4 is a schematic diagram showing the control device. FIG. 5 is a flowchart showing the ignition control of the control device, FIG. 5 is a flowchart showing control valve opening control, and FIG. 6 is a flowchart 1 of the correction routine. ■...Multi-cylinder internal combustion engine, 2a, 2b...Cylinder, 5
a l J b...Intake passage, 7a, 7b...
- Throttle valve 8...Communication passage 1.9...Control valve, 10a
, 10b... Spark plug, 11... Electronic control unit, 1
5... Microcomputer, 16... Balsa coil (engine rotational speed detection section), 18... Throttle sensor (throttle valve opening detection section).

Claims (1)

【特許請求の範囲】[Claims] 作動サイクルの位相が互いに異なる少なくとも二つの気
筒の吸気通路を相互に連通する連通路を設けると共に、
この連通路を開閉する調節弁を設け、この調節弁の開度
を機関回転速度の検出信号に基づき電子制御部を介して
制御すべくした多気筒内燃機関において、前記調節弁の
開度を制御する電子制御部を、点火時期を制御する電子
制御部と兼用する構成にしたことを特徴とする多気筒内
燃機関の制御装置。
Providing a communication passage that communicates the intake passages of at least two cylinders with mutually different operating cycle phases,
A multi-cylinder internal combustion engine is provided with a control valve that opens and closes this communication passage, and the opening degree of the control valve is controlled via an electronic control unit based on a detection signal of engine rotational speed. 1. A control device for a multi-cylinder internal combustion engine, characterized in that an electronic control section for controlling ignition timing is also used as an electronic control section for controlling ignition timing.
JP59124425A 1984-06-19 1984-06-19 Controller for multi-cylinder internal-combustion engine Pending JPS614822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59124425A JPS614822A (en) 1984-06-19 1984-06-19 Controller for multi-cylinder internal-combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59124425A JPS614822A (en) 1984-06-19 1984-06-19 Controller for multi-cylinder internal-combustion engine

Publications (1)

Publication Number Publication Date
JPS614822A true JPS614822A (en) 1986-01-10

Family

ID=14885165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59124425A Pending JPS614822A (en) 1984-06-19 1984-06-19 Controller for multi-cylinder internal-combustion engine

Country Status (1)

Country Link
JP (1) JPS614822A (en)

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