JPS5939927A - Engine associated with supercharger - Google Patents

Engine associated with supercharger

Info

Publication number
JPS5939927A
JPS5939927A JP14906882A JP14906882A JPS5939927A JP S5939927 A JPS5939927 A JP S5939927A JP 14906882 A JP14906882 A JP 14906882A JP 14906882 A JP14906882 A JP 14906882A JP S5939927 A JPS5939927 A JP S5939927A
Authority
JP
Japan
Prior art keywords
control valve
supercharger
engine
air
throttle valve
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
JP14906882A
Other languages
Japanese (ja)
Inventor
Harumasa Obata
小幡 治征
Kenichi Numata
健一 沼田
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP14906882A priority Critical patent/JPS5939927A/en
Publication of JPS5939927A publication Critical patent/JPS5939927A/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
    • F02B39/00Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02Drives of pumps; Varying pump drive gear ratio
    • F02B39/12Drives characterised by use of couplings or clutches therein

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Abstract

PURPOSE:To simplify the structure and to reduce the number of parts, by providing double functions of compensating the temporal drop of engine output in an instant when an electromagnetic clutch is coupled to the bypath and the air control valve and of relieving the supercharge pressure. CONSTITUTION:Upon opening of a throttle valve 26 by predetermined angle (40 deg., for example), an electromagnetic clutch 32 is coupled to start rotation of a supercharger 28 thus to open an air control valve 50. Since a supercharge control valve 44 is opened at this time, the supercharge will perform no-load operation but since the air bypassed the throttle valve 26 will flow in the direction F into the bypath 48, the engine output will temporarily increase to compensate the instantaneous engine output drop due to starting of the supercharger. When the engine rotation has exceeded over setting level while the opening of the throttle valve is larger than the setting level, the air control valve 50 is opened to flow a portion of air pressure fed by the supercharger in the direction G thus to relieve the supercharge pressure.

Description

【発明の詳細な説明】 本発明は電磁クラッチを介してエンジンによ多回転駆動
されるエンジンドライジス6′ム給機を吸気系に備えた
過給機付きエンジンに関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a supercharged engine that is equipped with an engine dry gas 6' engine feeder in an intake system that is driven by the engine at multiple rotations via an electromagnetic clutch.

過給機付きエンジンに於ては、エンジンが必要とする吸
入空気量よりも多量の空気を供給しないとエンジン性能
が一定しないので、過給機の吐出量は必要空気量よりも
多口に設計されている。このため、エンジンの高速回転
時には過給圧は過剰となるから、過給圧をリリーフする
必要がある。
In a supercharged engine, engine performance will be inconsistent unless a larger amount of intake air is supplied than the engine requires, so the supercharger's discharge volume is designed to be larger than the required air volume. has been done. For this reason, the supercharging pressure becomes excessive when the engine rotates at high speed, so it is necessary to relieve the supercharging pressure.

従来のIJ IJ−フ機構は、過給機の内部もしくは外
部に専用のIJ IJ−フ通路と制御弁を設け、過給圧
が設定値以上にならないように制御するというものであ
る。従って、制御のための特別の装置お↓び配管を必要
とし、機構が複雑となり、多数の部品を必要としていた
。また、機械的な制御であるため、過給機が発生する脈
動波の影響を受け、蒙求通りの過給特性が得られず、リ
リーフ圧の精度が良くなかった。
The conventional IJ IJ-F mechanism is provided with a dedicated IJ IJ-F passage and a control valve inside or outside the supercharger, and is controlled so that the supercharging pressure does not exceed a set value. Therefore, special equipment and piping were required for control, making the mechanism complicated and requiring a large number of parts. Furthermore, since the control is mechanical, it is affected by the pulsating waves generated by the supercharger, making it impossible to obtain the supercharging characteristics as desired, and the accuracy of the relief pressure is poor.

本発明は、追加的な部品を必要とせず、構造簡単で、電
子的に制御可能な、リリーフ圧棺度の優!tたリリーフ
機構を備えた過給機付き工゛ンゾンを提供することを目
的とするものである。
The present invention does not require additional parts, has a simple structure, is electronically controllable, and has excellent relief pressure. The object of the present invention is to provide a supercharged engine equipped with a relief mechanism.

本発明の発明者は、先に、吸気糸に過給機および吸気絞
り弁をパイ/ぐスするバイA’スを設け、該バイパスに
はそこを流れる空気流を制御する電子制御式空気制御弁
を設け、この空気制御弁は過給機の電磁クラッチが接続
してから過給機が実質的に過給作用を行うまでの間開弁
し得るようにした過給機付きエンジンを提案した(昭和
57年7月8日出願、特願昭57−117781 )。
The inventor of the present invention first provided a bypass A' to the intake line to connect the supercharger and the intake throttle valve, and the bypass was equipped with an electronic air control system that controlled the airflow flowing therethrough. We proposed a supercharged engine in which a valve is provided, and this air control valve can be opened from the time when the electromagnetic clutch of the supercharger is connected until the time when the supercharger actually performs the supercharging action. (filed on July 8, 1981, patent application No. 117781-1981).

電子制御式空気制御弁な備えたこのバイノやス機構は、
電磁クラッチが接続され過給機が起動された時のエンジ
ンの一時的出力低下を補うことを目的とじている。
This binoyasu mechanism is equipped with an electronically controlled air control valve.
The purpose is to compensate for the temporary drop in engine output when the electromagnetic clutch is engaged and the supercharger is started.

本発明はこのパイ・やス機構を利用して前記目的を達成
しようというもので、このため電子制御式空気制御弁に
は、前記バイパス機能に加えて、過給圧が設定値以上と
なった時に開弁して過剰の過給圧をリリーフし得るよう
なリリーフ機能を賦与したことを特徴とするものである
。即ち、本発明によれば、電子制御式空気制御弁は二重
機能空気制御弁として構成される。
The present invention aims to achieve the above object by utilizing this pressure/gas mechanism, and for this purpose, in addition to the above bypass function, the electronically controlled air control valve is equipped with a function that allows the supercharging pressure to exceed a set value. It is characterized by being provided with a relief function that can open the valve at certain times to relieve excess supercharging pressure. Thus, according to the invention, the electronically controlled pneumatic control valve is configured as a dual function pneumatic control valve.

この空気制御弁は過剰過給圧のIJ IJ−フの際には
エンジン回転数と吸気絞)弁開度に依存して作動させる
ことができる。或いは、吸気系に設けた圧力検知手段で
検出した過給圧に応じて作動させてもよい。
This air control valve can be operated depending on the engine rotational speed and intake throttle valve opening degree in the event of excess boost pressure. Alternatively, the operation may be performed according to the supercharging pressure detected by a pressure detection means provided in the intake system.

以下、添附図面を参照して本発明の詳細な説明するに従
い本発明をよシ詳しく説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail below with reference to the accompanying drawings.

第1図は電子制御燃料噴射装置を備えエンジンドライブ
過給機を備えた火花点火式エンジンを示すもので、エン
ジンの吸気系は周知の如くエアクリーナ10.吸気管1
2、サージタンク14、吸気マニホールド16、等から
構成きれている。吸気マニホールド16にはマイクロコ
ンピュータを内蔵した軍、子制御ユニッ)18により制
御されるイン・ゾエクク20が各気筒ごとに設けてあり
、エアフローメータ22により検出した吸入空気流量お
よびイグニ、ジョンコイル24からの信号に基いて検出
したエンジン回転数その他のデータに基いて所定量の燃
料を吸入空気流へ噴射し得るようになっている。また、
吸気管3.2にはアクセルペダル(図示せず)にリンク
された吸気絞シ弁26が設けてあシ、吸入空気量を制御
してエンジン出力を増減させ得るようになっている。
FIG. 1 shows a spark ignition engine equipped with an electronically controlled fuel injection device and an engine drive supercharger, and the intake system of the engine is equipped with an air cleaner 10. Intake pipe 1
2, a surge tank 14, an intake manifold 16, etc. The intake manifold 16 is equipped with an intake air control unit 20 for each cylinder, which is controlled by a slave control unit (control unit) 18 with a built-in microcomputer. A predetermined amount of fuel can be injected into the intake air stream based on engine speed and other data detected based on the signal. Also,
The intake pipe 3.2 is provided with an intake throttle valve 26 linked to an accelerator pedal (not shown) to control the amount of intake air to increase or decrease engine power.

吸気絞シ弁26の上流に於て吸気管12にはベーン型プ
ロワから成る過給機28が設置してあシ、この過給機2
8は伝導ベルト30および電磁クラ、チ(鎖線用321
Cよシ模式的に示す)を介してエンジンのクラ、チ軸3
4によシ回転駆動されるようになっている。電磁クラ、
チ32は吸気絞シ弁26に連繋されたスロットルポジシ
ョンセンサ36からの信号に応じて制御回路38により
断続されるようになってお、す、絞り弁260開度が設
定値たとえば40°以上となった時に′it磁クチクラ
ッチ続される。過給機の吸込111140と吐出側42
との間の吸気管部分には過給制御弁44が設けである。
A supercharger 28 consisting of a vane type blower is installed in the intake pipe 12 upstream of the intake throttle valve 26.
8 is the conduction belt 30 and the electromagnetic club,
The engine clutch and C shaft 3
It is designed to be rotated by 4. electromagnetic club,
The opening of the throttle valve 260 is switched on and off by a control circuit 38 in response to a signal from a throttle position sensor 36 connected to the intake throttle valve 26. When this occurs, the magnetic clutch is engaged. Suction 111140 and discharge side 42 of the supercharger
A supercharging control valve 44 is provided in the intake pipe section between the two.

この過給制御弁44は、絞シ弁26の開度が第2の設定
値たとえば50°以上とt二りだ時には全閉しそれ以下
の時には漸次開弁する3[うにリンク46により絞り弁
26に連結されでいる。絞り弁26の開度に対する電磁
クラ、チ32および過給制御弁44の作動を第2図を参
照して説明するに、エンジン負荷の増大に伴い絞り弁開
度が0点(7’Cとえば40°)に遠すると電磁クラッ
チが接続され過給機は回転起動される。この時には過給
制御弁44は全開となっているから、過給機により圧送
された空気は吐出側42から吸込(111+ 40へと
環流しており、過給圧は発生していない。次いで、絞り
弁開度がA点(たとえば45°)に達するとリンク46
の作用により過給制御弁44は徐々に閉り始めて絞り弁
がさらに開かれるにつれて過+j1;圧は高まり、絞り
弁開度が8点(たとえば50°)に達すると過給制御弁
44は全閉されエンジンは全過給状態となる。
The supercharging control valve 44 is fully closed when the opening degree of the throttle valve 26 is a second set value, for example, 50 degrees or more, and is gradually opened when it is less than 50 degrees. 26. The operations of the electromagnetic clutch, valve 32, and supercharging control valve 44 in relation to the opening of the throttle valve 26 will be explained with reference to FIG. For example, when the angle is moved away to 40 degrees, the electromagnetic clutch is connected and the supercharger is started to rotate. At this time, since the supercharging control valve 44 is fully open, the air pumped by the supercharger is circulating from the discharge side 42 to the suction (111+40), and no supercharging pressure is generated.Next, When the throttle valve opening reaches point A (for example, 45°), link 46
The supercharging control valve 44 gradually begins to close due to the action of , and as the throttle valve further opens, the pressure increases, and when the throttle valve opening reaches 8 points (for example, 50°), the supercharging control valve 44 closes completely. It is closed and the engine is fully supercharged.

再び第1図を参照するに、吸気管12には過給機28お
よび絞り弁26をパイl?スしてバイパス48が設けて
あり、このバイパス48には電子制御ユニ、ト18によ
り制御される空気制御弁50が設けである。空気制御弁
50はリニアソレノイドを備えた流量制御弁であって、
電子制御ユニット18が出力する制御用電流の′1に流
値に応じてバイパスを流れる空気流の流量を制御し得る
ものである。
Referring again to FIG. 1, a supercharger 28 and a throttle valve 26 are connected to the intake pipe 12. A bypass 48 is provided in the air, and the bypass 48 is provided with an air control valve 50 which is controlled by the electronic control unit 18. The air control valve 50 is a flow control valve equipped with a linear solenoid,
The flow rate of the airflow flowing through the bypass can be controlled according to the flow value of the control current '1 outputted by the electronic control unit 18.

本発明に従い、バイパス48および空気制御弁50は二
重の機能を有する。第1の機能は電磁クラッチ32が接
続された瞬間のエンジン出力の一時的低下を補償するこ
とである。このため、電子制御ユニ、ト18U、スロッ
トルポジションセンサ36からの出力信号により絞り弁
開度が第2図0点とA点の範囲内にある時に空気制御弁
50を開くようにプログラムされている。
According to the invention, bypass 48 and air control valve 50 have a dual function. The first function is to compensate for a temporary drop in engine output at the moment the electromagnetic clutch 32 is engaged. For this reason, the air control valve 50 is programmed to open when the throttle valve opening is within the range of point 0 and point A in FIG. .

第2の機能は過給圧が過剰となった時に過給圧をリリー
フすることである。このため、■1.子制御ユニ、ト1
8は、スロットルポジションセンサ36およびイグニッ
ションコイル24からの信号に基いて、絞夛弁開度が第
2の設定値(i2図のB点)K達しかつエンジン回転数
が設足値以上となった時に空気制御弁50を開弁させる
ようにプログラムされている。
The second function is to relieve supercharging pressure when it becomes excessive. For this reason, ■1. Child control unit, 1
8 is based on the signals from the throttle position sensor 36 and the ignition coil 24, when the throttle valve opening reaches the second set value K (point B in diagram i2) and the engine speed exceeds the set value. The air control valve 50 is programmed to open at certain times.

次に、この実施例の作動を説明するに、絞シ弁26が所
定開度0(第2図参照。たとえば4o6)だけ開くト、
スロットルポジションセンサ36はこれを検知して電子
制御ユニy ) 18およびクラ、チ制御回路38に信
号を出力する。その結果、制御回路38は電磁クラッチ
32を接続させて過給機28を回転起動させる一方、電
子制御ユニッ)18は空気制御弁50を開弁させる。こ
の時、過給制御弁44は開いているので過給機は無負荷
運転を行うが、バイノクス48内には絞シ弁をパイi4
スした空気が矢印F方向(第xF)に流れるのでエンジ
ン出力は一時的に増加し、過給機の起動によるエンジン
出力の瞬間的低下を補償する。絞9弁開度が増し過給作
用が開始すると(第2図のA点)、電子制御ユニ、ト1
8はセンサ36からの信号によシ空気制御弁50を閉じ
、絞り弁開度が第2図B点に達すると過給制御弁44は
全閉となり、過給機は全負荷運転される。
Next, to explain the operation of this embodiment, when the throttle valve 26 opens by a predetermined opening degree of 0 (see FIG. 2, for example 4o6),
The throttle position sensor 36 detects this and outputs a signal to the electronic control unit 18 and the clutch/chip control circuit 38. As a result, the control circuit 38 connects the electromagnetic clutch 32 to start rotating the supercharger 28, while the electronic control unit 18 opens the air control valve 50. At this time, the supercharging control valve 44 is open, so the supercharger performs no-load operation, but a throttle valve is installed in the binox 48.
Since the cooled air flows in the direction of arrow F (xF), the engine output temporarily increases to compensate for the instantaneous decrease in engine output due to activation of the supercharger. When the throttle 9 valve opening increases and supercharging starts (point A in Figure 2), the electronic control unit
8 closes the air control valve 50 in response to a signal from the sensor 36, and when the throttle valve opening reaches point B in FIG. 2, the supercharging control valve 44 is fully closed and the supercharger is operated at full load.

第3図に示したように、全過給状態においてエンジン回
転数が設定値N以上となると、過給圧は設定値P以上と
なシ、過給圧は過剰となる。過給圧が設定値Pとなる時
のエンジン回転数Nは予め知られておp、この値Nは電
子制御ユニ、)18の記憶部に記録されている。従って
、イグニッションコイル24からの信号によシ検出され
たエンジン回転数が設定値Nを超えかつスロットルポジ
ションセンサ36で検出した絞υ弁開度が設定値8以上
となった時には、電子制御ユニツ)18は信号を出力し
て空気制御弁50を開弁させる。その結果、過給機によ
シ圧送された空気の一部は・々イパスを矢印G方向に流
れ、過給圧はIJ IJ−フされる。第4図のグラフは
このリリーフ状態を示したもので、グラフ中斜線の領域
でリリーフが行われるのである。
As shown in FIG. 3, when the engine speed exceeds the set value N in the fully supercharged state, the supercharging pressure does not exceed the set value P, and the supercharging pressure becomes excessive. The engine speed N when the boost pressure reaches the set value P is known in advance, and this value N is recorded in the storage section of the electronic control unit ) 18. Therefore, when the engine speed detected by the signal from the ignition coil 24 exceeds the set value N and the throttle valve opening detected by the throttle position sensor 36 exceeds the set value 8, the electronic control unit (electronic control unit) 18 outputs a signal to open the air control valve 50. As a result, a portion of the air forced by the supercharger flows through the IJ path in the direction of arrow G, and the supercharging pressure is reduced. The graph in FIG. 4 shows this relief state, and relief is performed in the shaded area in the graph.

なお、前記の実施例では、過給圧をIJ IJ−フする
際には、電子制御ユニ、ト18は絞シ弁開度とエンジン
回転数に基いて空気制御弁を作動させるように構成され
ているが、第1図に示したように絞り弁下流の吸気系、
たとえばザージタンク14に圧カセンザ52を設け、こ
の圧力センサからの信号に基いて空気制御弁50を制御
してもよい。
In the above-mentioned embodiment, when the boost pressure is increased, the electronic control unit 18 is configured to operate the air control valve based on the throttle valve opening and the engine speed. However, as shown in Figure 1, the intake system downstream of the throttle valve,
For example, a pressure sensor 52 may be provided in the surge tank 14, and the air control valve 50 may be controlled based on a signal from this pressure sensor.

オた、リニアソレノイド型の空気制御弁50に替えて、
オン/オフ型の空気制御弁を使用することも可能である
Also, instead of the linear solenoid type air control valve 50,
It is also possible to use an on/off type air control valve.

以上から明らかなように、本発明は過給機起動時のエン
ジン出力低下を補償するためのパイ・ヤスおよび空気制
御弁に二重の機能を与えそれらを共通使用し得るように
したから、装置を簡単化することができ、部品点数を抑
えることができる。また空気制御弁は電子的に制御され
るから、エンジンの要求空気量に合致した精度の11い
過給圧IJ IJ−フを行うことができる。
As is clear from the above, the present invention provides a dual function to the air control valve and the air control valve for compensating for the drop in engine output when starting the supercharger, allowing them to be used in common. can be simplified and the number of parts can be reduced. Furthermore, since the air control valve is electronically controlled, it is possible to adjust the supercharging pressure IJ-IJ-f with an accuracy that matches the air amount required by the engine.

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

第1図は本発明の一実施例の系統図、第2図は絞り弁開
度と過給制御弁開度との関係を示すグラフ、第3図はエ
ンジン回転数と過給圧との関係を示すグラフ、第4図は
エンジン回転数と絞り弁開度に対する過給圧リリーフ状
態を示すグラフである。 12・・・吸気管、18・・・電子制御ユニット、26
・・・吸気絞シ弁、28・・・過給機、32・・・電磁
クラ。 チ、36・・・スロットルポジションセンサ、38・・
・クラ、子制御回路、44・・・過給制御弁、48・・
・バイパス、50・・・二重機能空気制御弁、52・・
・圧力センサ。 第1図 閉    OAB     開 絞り弁開度 第3図 ニアシン回転数 第4図 エノジノ回転数
Fig. 1 is a system diagram of an embodiment of the present invention, Fig. 2 is a graph showing the relationship between throttle valve opening and supercharging control valve opening, and Fig. 3 is a graph showing the relationship between engine speed and supercharging pressure. FIG. 4 is a graph showing the supercharging pressure relief state with respect to engine speed and throttle valve opening. 12... Intake pipe, 18... Electronic control unit, 26
...Intake throttle valve, 28...Supercharger, 32...Electromagnetic crane. H, 36...Throttle position sensor, 38...
・Cluster, child control circuit, 44... supercharging control valve, 48...
・Bypass, 50...Dual function air control valve, 52...
・Pressure sensor. Figure 1 Closed OAB Open Throttle valve opening Figure 3 Niassin rotational speed Figure 4 Enogyno rotational speed

Claims (1)

【特許請求の範囲】 1、電磁クラ、チを介してエンジンにより駆動されるエ
ンジンドライブ過給機を吸気系に備えた過給機付きエン
ジンにおいて、該吸気系には過給機ならびに吸気絞り弁
をパイノギスするパイ・やスを設け、該バイパスにはそ
の中を流れる空気流を制御するための二重機能を有する
電子制御空気制御弁を設け、該空気制御弁は、電磁クラ
ッチが接続してから過給機が実質的に過給作用を行うま
での間は開弁じてもって絞シ弁をパイ/J?スした空気
がパイノ4ス内を流れてエンジンに吸入されるのを可能
にすると共に、過給機の過給圧が設定値以上となった時
にも開弁してもって過剰の過給圧をリリーフするべく機
能するようにしたことを特徴とする過給機付きエンジン
。 2、 前記空気制御弁は、過給圧IJ IJ−フの際に
は、エンジン回転数と絞り弁の開度に依存して作動する
ようにしたことを特徴とする特許請求の範囲第1項記載
の過給機付きエンジン。 3、 前記空気nIU御弁は、過給圧IJ IJ−フの
際には、過給圧検知手段によシ検知された過給圧に依存
して作動するようにしたことを特徴とする特r「請求の
範囲第1項記載の過給機付きエンジン。
[Claims] 1. In a supercharged engine having an engine drive supercharger driven by the engine via an electromagnetic clutch in the intake system, the intake system includes a supercharger and an intake throttle valve. The bypass is provided with an electronically controlled air control valve having a dual function for controlling the airflow flowing through the bypass, and the air control valve is connected to an electromagnetic clutch. Until the supercharger actually performs the supercharging action, the throttle valve is closed as soon as the valve is opened. This allows air to flow through the pinos and be taken into the engine, and also opens the valve when the boost pressure of the supercharger exceeds the set value to prevent excess boost pressure. A supercharged engine characterized by functioning to provide relief. 2. Claim 1, wherein the air control valve operates depending on the engine speed and the opening degree of the throttle valve when the supercharging pressure is high. Supercharged engine listed. 3. The air nIU control valve operates depending on the boost pressure detected by the boost pressure detection means when the boost pressure is IJ-F. r "A supercharged engine according to claim 1.
JP14906882A 1982-08-30 1982-08-30 Engine associated with supercharger Pending JPS5939927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14906882A JPS5939927A (en) 1982-08-30 1982-08-30 Engine associated with supercharger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14906882A JPS5939927A (en) 1982-08-30 1982-08-30 Engine associated with supercharger

Publications (1)

Publication Number Publication Date
JPS5939927A true JPS5939927A (en) 1984-03-05

Family

ID=15466976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14906882A Pending JPS5939927A (en) 1982-08-30 1982-08-30 Engine associated with supercharger

Country Status (1)

Country Link
JP (1) JPS5939927A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63167026A (en) * 1986-12-26 1988-07-11 Mazda Motor Corp Mechanical supercharger of engine
US4802456A (en) * 1986-08-15 1989-02-07 Toyota Jidosha Kabushiki Kaisha Device for controlling charging pressure of a supercharged internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802456A (en) * 1986-08-15 1989-02-07 Toyota Jidosha Kabushiki Kaisha Device for controlling charging pressure of a supercharged internal combustion engine
JPS63167026A (en) * 1986-12-26 1988-07-11 Mazda Motor Corp Mechanical supercharger of engine

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