JP2504013B2 - Oxygen enrichment device for internal combustion engine - Google Patents
Oxygen enrichment device for internal combustion engineInfo
- Publication number
- JP2504013B2 JP2504013B2 JP61309265A JP30926586A JP2504013B2 JP 2504013 B2 JP2504013 B2 JP 2504013B2 JP 61309265 A JP61309265 A JP 61309265A JP 30926586 A JP30926586 A JP 30926586A JP 2504013 B2 JP2504013 B2 JP 2504013B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- engine
- internal combustion
- intake passage
- combustion engine
- 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.)
- Expired - Lifetime
Links
Landscapes
- Supercharger (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は内燃機関の酸素富化装置に係り、特に機関
運転状態に拘わらず内燃機関に供給される酸素富化空気
の酸素濃度を常に一定に維持させ、燃焼効率を高め、出
力の向上を図るとともに、酸素濃縮装置に圧力差を生じ
せしめて酸素富化空気を生成する補機を不要とし、メカ
ニカルロスを減少させ、熱効率を高くして性能の向上を
図る内燃機関の酸素富化装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oxygen enrichment device for an internal combustion engine, and particularly to a constant oxygen concentration of oxygen enriched air supplied to the internal combustion engine regardless of engine operating conditions. To improve combustion efficiency and output, and eliminate the need for auxiliary equipment that creates a pressure difference in the oxygen concentrator to generate oxygen-enriched air, reducing mechanical loss and increasing thermal efficiency. The present invention relates to an oxygen enrichment device for an internal combustion engine that improves performance.
内燃機関の酸素富化装置は、酸素濃縮装置によって空
気中の酸素濃度を高めた酸素富化空気を内燃機関に供給
させ、燃焼効率を高め、出力・燃料消費率を向上させる
ものである。また、酸素富化空気を生成するためには、
酸素濃縮装置の上流側と下流側間に圧力差を生じせしめ
る必要があり、この圧力差を生じせしめるために、酸素
濃縮装置に送給ポンプによって空気を送給するととも
に、酸素濃縮装置により生成された酸素富化空気を吸込
ポンプにより過給気として内燃機関内に供給させるもの
がある（特開昭58−143119号公報）。BACKGROUND ART An oxygen enrichment device for an internal combustion engine supplies oxygen enriched air having an increased oxygen concentration in the air by an oxygen concentrator to increase combustion efficiency and output / fuel consumption rate. In addition, in order to generate oxygen-enriched air,
It is necessary to create a pressure difference between the upstream side and the downstream side of the oxygen concentrator, and in order to cause this pressure difference, air is supplied to the oxygen concentrator by a feed pump and at the same time, it is generated by the oxygen concentrator. There is also a device in which oxygen-enriched air is supplied into the internal combustion engine as supercharged air by a suction pump (Japanese Patent Laid-Open No. 58-143119).
ところで、上述の内燃機関の酸素富化装置において
は、機関運転状態に拘わらず内燃機関に供給される酸素
富化空気の酸素濃度を常に一定に維持できるものがな
く、低負荷時や高負荷時に切替バルブを切替動作させて
酸素濃度の異なる酸素富化空気を供給させることによ
り、燃焼効率が変動し、出力が低下するという不都合が
ある。By the way, in the above-described oxygen enrichment device for an internal combustion engine, there is no one that can always maintain the oxygen concentration of the oxygen-enriched air supplied to the internal combustion engine at a constant level regardless of the engine operating state. By switching the switching valve to supply oxygen-enriched air having different oxygen concentrations, there is a disadvantage that the combustion efficiency fluctuates and the output decreases.
また、酸素濃縮装置の上流側と下流側間に圧力差を生
じせしめるために、送給ポンプや吸込ポンプなどの補機
を有することにより、補機の駆動によるメカニカルロス
でエンジン損失が生じ、熱効率の低下を招くという不都
合がある。Also, in order to create a pressure difference between the upstream side and the downstream side of the oxygen concentrator, by having auxiliary equipment such as a feed pump and a suction pump, mechanical loss due to driving of the auxiliary equipment causes engine loss and thermal efficiency. There is an inconvenience of causing a decrease in
そこでこの発明の目的は、上述不都合を除去するため
に、酸素富化空気をガソリンを燃料とする内燃機関に供
給する酸素濃縮装置を吸気通路に設けた内燃機関の酸素
富化装置において、酸素濃縮装置の吸気通路への合流部
位よりも上流側の吸気通路に電磁バルブを設けるととも
に下流側の吸気通路には酸素濃縮装置に圧力差を生じせ
しめる過給機を設け、過給機よりも下流側の吸気通路に
気化器を設け、気化器の気化器絞り弁のスロットル開度
を検出するスロットル開度センサを設けるとともに、エ
ンジン回転数を検出する回転数センサを設け、内燃機関
に供給される酸素富化空気の酸素濃度を一定に維持すべ
く機関運転時のスロットル開度とエンジン回転数との検
出信号を入力してスロットル開度とエンジン回転数とに
よって決定されるマップにより電磁バルブの開閉度合を
制御する制御手段を設けたことにより、機関運転状態に
拘わらず内燃機関に供給される酸素富化空気の酸素濃度
を常に一定に維持することができ、燃焼効率を高め、出
力を向上し得るとともに、酸素濃縮装置に圧力差を生じ
せしめて酸素富化空気を生成する補機を不要とし、メカ
ニカルロスを減少でき、熱効率を高くして性能を向上し
得る内燃機関の酸素富化装置を実現するにある。Therefore, in order to eliminate the above-mentioned inconvenience, an object of the present invention is to provide an oxygen enrichment device for an internal combustion engine, wherein an oxygen enrichment device for supplying oxygen enriched air to an internal combustion engine using gasoline as a fuel is provided in an intake passage. An electromagnetic valve is provided in the intake passage upstream of the confluence of the device with the intake passage, and a supercharger is installed in the intake passage downstream to cause a pressure difference in the oxygen concentrator. A carburetor is provided in the intake passage of the carburetor, a throttle opening sensor for detecting the throttle opening of the carburetor throttle valve of the carburetor is provided, and a rotation speed sensor for detecting the engine rotation speed is provided. In order to keep the oxygen concentration of the enriched air constant, the detection signals of the throttle opening and engine speed during engine operation are input to determine the throttle opening and engine speed. By providing the control means for controlling the opening / closing degree of the electromagnetic valve by the valve, the oxygen concentration of the oxygen-enriched air supplied to the internal combustion engine can be always maintained constant regardless of the engine operating state, and the combustion efficiency can be improved. An internal combustion engine that can increase the output and improve the output, eliminate the need for an auxiliary device that creates a pressure difference in the oxygen concentrator to generate oxygen-enriched air, reduce mechanical loss, and improve thermal efficiency to improve performance. To realize the oxygen enrichment device.
この目的を達成するためにこの発明は、酸素富化空気
をガソリンを燃料とする内燃機関に供給する酸素濃縮装
置を吸気通路に設けた内燃機関の酸素富化装置におい
て、前記酸素濃縮装置の吸気通路への合流部位よりも上
流側の吸気通路に電磁バルブを設けるとともに下流側の
吸気通路には前記酸素濃縮装置に圧力差を生じせしめる
過給機を設け、この過給機よりも下流側の吸気通路に気
化器を設け、気化器の気化器絞り弁のスロットル開度を
検出するスロットル開度センサを設けるとともにエンジ
ン回転数を検出する回転数センサを設け、前記内燃機関
に供給される酸素富化空気の酸素濃度を一定に維持すべ
く機関運転時のスロットル開度とエンジン回転数との検
出信号を入力しスロットル開度とエンジン回転数とによ
って決定されるマップにより前記電磁バルブの開閉度合
を制御する制御手段を設けたことを特徴とする。In order to achieve this object, the present invention provides an oxygen enrichment device for an internal combustion engine, wherein an oxygen enrichment device for supplying oxygen-enriched air to an internal combustion engine that uses gasoline as a fuel is provided in an intake passage. A solenoid valve is provided in the intake passage upstream of the confluence with the passage, and a supercharger for producing a pressure difference in the oxygen concentrator is provided in the intake passage downstream, and a supercharger downstream of the supercharger is provided. A carburetor is provided in the intake passage, a throttle opening sensor for detecting the throttle opening of the carburetor throttle valve of the carburetor is provided, and a rotation speed sensor for detecting the engine speed is provided. A map determined by the throttle opening and the engine speed by inputting detection signals of the throttle opening and the engine speed during engine operation in order to keep the oxygen concentration of the modified air constant. Characterized in that a control means for controlling a higher closing degree of the electromagnetic valve.
上述の如く構成したことにより、機関運転時には、制
御手段によってスロットル開度とエンジン回転数とから
なるマップにより電磁バルブの開閉度合を制御し、機関
運転状態に拘わらず内燃機関に供給される酸素富化空気
の酸素濃度を常に一定に維持させ、燃焼効率を高め、出
力を向上させるとともに、補機を不要とし、メカニカル
ロスを減少させ、熱効率を高くして性能を向上させてい
る。With the above-described configuration, when the engine is operating, the opening / closing degree of the electromagnetic valve is controlled by the control unit based on the map of the throttle opening and the engine speed, and the oxygen rich supplied to the internal combustion engine regardless of the engine operating state. It keeps the oxygen concentration of the liquefied air constant at all times, improves combustion efficiency and improves output, eliminates the need for auxiliary machinery, reduces mechanical loss, and improves thermal efficiency to improve performance.
以下図面に基づいてこの発明の実施例を詳細に説明す
る。Embodiments of the present invention will be described in detail below with reference to the drawings.
第１〜４図はこの発明の実施例を示すものである。第
１図において、２は内燃機関の酸素富化装置、４は吸気
通路、６はエアクリーナ、８はサージタンク、10は気化
器、12は気化器絞り弁、14はエンジン、16は排気通路、
18はマフラである。1 to 4 show an embodiment of the present invention. In FIG. 1, 2 is an oxygen enrichment device for an internal combustion engine, 4 is an intake passage, 6 is an air cleaner, 8 is a surge tank, 10 is a carburetor, 12 is a carburetor throttle valve, 14 is an engine, 16 is an exhaust passage,
18 is a muffler.
前記吸気通路４に酸素富化空気を生成する酸素濃縮装
置20を接続して設け、この酸素濃縮装置20内に酸素富化
膜22を備えるとともに、酸素濃縮装置20の吸気通路４へ
の合流部位よりも上流側且つ前記エアクリーナ６よりも
下流側の第１吸気通路４−１の途中に電磁バルブ24を設
ける。An oxygen enrichment device 20 for generating oxygen-enriched air is connected to the intake passage 4, an oxygen enrichment film 22 is provided in the oxygen enrichment device 20, and a confluence portion of the oxygen enrichment device 20 to the intake passage 4 is provided. An electromagnetic valve 24 is provided in the middle of the first intake passage 4-1 on the upstream side and on the downstream side of the air cleaner 6.
また、酸素濃縮装置22の吸気通路４への合流部位より
も下流側の第２吸気通路４−２には前記酸素濃縮装置６
に圧力差を生じせしめる排気タービン式過給機26のコン
プレッサ28を設け、このコンプレッサ28よりも下流側の
第３吸気通路４−３に、前記サージタンク８を介して気
化器10を設け、気化器10を第４吸気通路４−４によって
前記エンジン14を接続する。Further, the oxygen concentrator 6 is provided in the second intake passage 4-2 on the downstream side of the confluence of the oxygen concentrator 22 with the intake passage 4.
A compressor 28 of an exhaust turbine type supercharger 26 that causes a pressure difference is provided, and a vaporizer 10 is provided in the third intake passage 4-3 on the downstream side of the compressor 28 via the surge tank 8 to vaporize the gas. The engine 10 is connected to the engine 10 by the fourth intake passage 4-4.
更に、前記排気通路16途中に前記過給機26のタービン
30を設け、このタービン30よりも下流側の排気通路16に
は前記マフラ18を介設する。Furthermore, the turbine of the supercharger 26 is provided in the middle of the exhaust passage 16.
A muffler 18 is provided in the exhaust passage 16 on the downstream side of the turbine 30.
前記電磁バルブ24の開閉度合スロットル開度とエンジ
ン回転数とによって決定されるマップにより制御する制
御手段32を設ける。つまり、制御手段32は、機関運転状
態、例えば前記気化器絞り弁14に設けたスロットル開度
センサ34によるスロットル開度と図示しない回転数セン
サによるエンジン回転数との検出信号を入力し、電磁バ
ルブ24の駆動回路36に電流を通電させ、前記エンジン14
に供給される酸素富化空気の酸素濃度を一定に維持すべ
く前記電磁バルブ24のバルブ開度を制御する構成とす
る。A control means 32 is provided for controlling by a map determined by the opening / closing degree of the electromagnetic valve 24 and the engine speed. That is, the control means 32 inputs the detection signal of the engine operating state, for example, the throttle opening by the throttle opening sensor 34 provided in the carburetor throttle valve 14 and the engine speed by the rotation speed sensor (not shown), and the electromagnetic valve A current is passed through the drive circuit 36 of 24, and the engine 14
The valve opening degree of the electromagnetic valve 24 is controlled so as to maintain the oxygen concentration of the oxygen-enriched air supplied to the valve.
なお符号38は前記過給機26に設けたウエストゲートア
クチュエータ、40はウエストゲートバルブ、42はリリー
フバルブである。Reference numeral 38 is a waste gate actuator provided in the supercharger 26, 40 is a waste gate valve, and 42 is a relief valve.
次に作用を制御用フローチャートに沿って説明する。 Next, the operation will be described with reference to the control flowchart.
機関運転時には、前記スロットル開度センサ34により
スロットル開度を検出するとともに、図示しない回転数
センサによりエンジン回転数を検出し（100）、この検
出信号を制御手段32に入力させ、第４図に示すスロット
ル開度とエンジン回転数との関係のバルブ開度マップに
より所望の電流を駆動回路36に通電させる（102）。そ
して、駆動回路36によって前記電磁バルブ24を所望のバ
ルブ開度位置に開閉動作させ（104）、前記エンジン14
に供給される酸素富化空気の酸素濃度を所望の一定値に
維持させる（106）。When the engine is operating, the throttle opening sensor 34 detects the throttle opening and the rotation speed sensor (not shown) detects the engine rotation speed (100), and this detection signal is input to the control means 32, as shown in FIG. A desired current is applied to the drive circuit 36 according to the valve opening map showing the relationship between the throttle opening and the engine speed (102). Then, the electromagnetic valve 24 is opened / closed to a desired valve opening position by the drive circuit 36 (104), and the engine 14 is opened.
The oxygen concentration of the oxygen-enriched air supplied to the is maintained at a desired constant value (106).
これにより、機関運転状態に拘わらずエンジンに供給
される酸素富化空気の酸素濃度を常に一定に維持させる
ことができ、燃焼効率を高め、出力を向上できる。As a result, the oxygen concentration of the oxygen-enriched air supplied to the engine can always be kept constant regardless of the engine operating state, and combustion efficiency can be improved and output can be improved.
また、排気タービン式過給機の排気エネルギを活用す
ることにより、酸素濃縮装置に圧力差を生じせしめて酸
素富化空気を生成する補機が不要となり、メカニカルロ
スを減少させることができ、熱効率を高くできるととも
に、性能を向上させ得るものである。In addition, by utilizing the exhaust energy of the exhaust turbine supercharger, an auxiliary device that creates a pressure difference in the oxygen concentrator to generate oxygen-enriched air is not required, and mechanical loss can be reduced, and thermal efficiency can be reduced. It is possible to improve the performance while improving the
更に、前記排気タービン式過給機の回転は、排気量、
すなわちスロットル開度とエンジン回転数とに比例して
増減することにより、機関運転状態の変動に応じて効率
良く酸素供給を行うことができ、実用上有利である。Further, the rotation of the exhaust turbine type supercharger is
That is, by increasing / decreasing in proportion to the throttle opening and the engine speed, it is possible to efficiently supply oxygen according to changes in the engine operating state, which is practically advantageous.
なお、この発明は上述実施例に限定されるものではな
く、種々の応用改変が可能である。Note that the present invention is not limited to the above-described embodiment, and various application modifications are possible.
例えば、この発明の実施例においては、スロットル開
度とエンジン回転数とを検出し機関運転状態に拘わらず
エンジンに供給される酸素富化空気の酸素濃度を常に一
定に維持させるべく制御する構成としたが、スロットル
開度の検出の代わりに吸入空気圧を検出するとともに、
前記エンジン回転数を検出し、エンジンに供給される酸
素富化空気の酸素濃度を常に一定に維持させるべく制御
することもできる。For example, in the embodiment of the present invention, the throttle opening and the engine speed are detected, and the oxygen concentration of the oxygen-enriched air supplied to the engine is controlled to be constantly maintained regardless of the engine operating state. However, instead of detecting the throttle opening, the intake air pressure is detected,
It is also possible to detect the engine speed and control so that the oxygen concentration of the oxygen-enriched air supplied to the engine is always maintained constant.
以上詳細に説明した如くこの発明によれば、酸素富化
空気をガソリンを燃料とする内燃機関に供給する酸素濃
縮装置を吸気通路に設けた内燃機関の酸素富化装置にお
いて、酸素濃縮装置の吸気通路への合流部位よりも上流
側の吸気通路に電磁バルブを設けるとともに下流側の吸
気通路には酸素濃縮装置に圧力差を生じせしめる過給機
を設け、過給機よりも下流側の吸気通路に気化器を設
け、気化器の気化器絞り弁のスロットル開度を検出する
スロットル開度センサを設けるとともに、エンジン回転
数を検出する回転数センサを設け、内燃機関に供給され
る酸素富化空気の酸素濃度を一定に維持すべく機関運転
時のスロットル開度とエンジン回転数との検出信号を入
力しスロットル開度とエンジン回転数とによって決定さ
れるマップにより電磁バルブの開閉度合を制御する制御
手段を設けたので、機関運転状態に拘わらずエンジンに
供給される酸素富化空気の酸素濃度を常に一定に維持さ
せることができ、燃焼効率を高め、出力を向上させ得
る。また、過給機の排気エネルギを活用することによ
り、酸素濃縮装置に圧力差を生じせしめて酸素富化空気
を生成する補機が不要となり、メカニカルロスを減少さ
せ得て、熱効率を高くできるとともに、性能を向上させ
得るものである。更に、過給機の回転は排気量、すなわ
ちスロットル開度とエンジン回転数とに比例して増減す
ることにより、機関運転状態の変動に応じて効率良く酸
素供給を行うことができ、実用上有利である。As described in detail above, according to the present invention, in an oxygen enrichment device for an internal combustion engine, the oxygen enrichment device for supplying oxygen enriched air to an internal combustion engine using gasoline as a fuel is provided in an intake passage. An electromagnetic valve is provided in the intake passage upstream of the confluence with the passage, and a supercharger that creates a pressure difference in the oxygen concentrator is provided in the intake passage downstream, and the intake passage downstream of the supercharger. A carburetor is installed in the carburetor, a throttle opening sensor that detects the throttle opening of the carburetor throttle valve of the carburetor is installed, and a rotation speed sensor that detects the engine speed is installed. In order to keep the oxygen concentration of the engine constant, the detection signals of the throttle opening and engine speed during engine operation are input, and the map is determined by the throttle opening and engine speed. Since the control means for controlling the opening / closing degree of the lube is provided, the oxygen concentration of the oxygen-enriched air supplied to the engine can be always maintained constant regardless of the engine operating state, the combustion efficiency is improved, and the output is improved. Can be done. Further, by utilizing the exhaust gas energy of the supercharger, an auxiliary device for generating a pressure difference in the oxygen concentrator to generate oxygen-enriched air is not required, and mechanical loss can be reduced, and thermal efficiency can be increased. , Which can improve the performance. Further, the rotation of the supercharger is increased / decreased in proportion to the displacement, that is, the throttle opening and the engine speed, so that oxygen can be efficiently supplied according to changes in the engine operating state, which is practically advantageous. Is.
第１〜４図はこの発明の実施例を示し、第１図は内燃機
関の酸素富化装置の概略説明図、第２図は内燃機関の酸
素富化装置の制御用フローチャートを示す図、第３図は
バルブ開度と電流との関係を示す図、第４図はスロット
ル開度とエンジン回転数との関係を示す図である。 図において、２は内燃機関の酸素富化装置、４は吸気通
路、６はエアクリーナ、８はサージタンク、10は気化
器、12は気化器絞り弁、14はエンジン、16は排気通路、
18はマフラ、20は酸素濃縮装置、22は酸素富化膜、24は
電磁バルブ、26は排気タービン式過給機、28はコンプレ
ッサ、30はタービン、32は制御手段、34はスロットル開
度センサ、36は駆動回路、38はウエストゲートアクチュ
エータ、40はウエストゲートバルブ、42はリリーフバル
ブである。1 to 4 show an embodiment of the present invention, FIG. 1 is a schematic explanatory view of an oxygen enrichment system of an internal combustion engine, FIG. 2 is a diagram showing a control flowchart of the oxygen enrichment system of an internal combustion engine, FIG. FIG. 3 is a diagram showing the relationship between the valve opening and the current, and FIG. 4 is a diagram showing the relationship between the throttle opening and the engine speed. In the figure, 2 is an oxygen enrichment device for an internal combustion engine, 4 is an intake passage, 6 is an air cleaner, 8 is a surge tank, 10 is a carburetor, 12 is a carburetor throttle valve, 14 is an engine, 16 is an exhaust passage,
18 is a muffler, 20 is an oxygen concentrator, 22 is an oxygen enrichment film, 24 is an electromagnetic valve, 26 is an exhaust turbine supercharger, 28 is a compressor, 30 is a turbine, 32 is control means, 34 is a throttle opening sensor , 36 is a drive circuit, 38 is a waste gate actuator, 40 is a waste gate valve, and 42 is a relief valve.
Claims (1)
機関に供給する酸素濃縮装置を吸気通路に設けた内燃機
関の酸素富化装置において、前記酸素濃縮装置の吸気通
路への合流部位よりも上流側の吸気通路に電磁バルブを
設けるとともに下流側の吸気通路には前記酸素濃縮装置
に圧力差を生じせしめる過給機を設け、この過給機より
も下流側の吸気通路に気化器を設け、気化器の気化器絞
り弁のスロットル開度を検出するスロットル開度センサ
を設けるとともにエンジン回転数を検出する回転数セン
サを設け、前記内燃機関に供給される酸素富化空気の酸
素濃度を一定に維持すべく機関運転時のスロットル開度
とエンジン回転数との検出信号を入力しスロットル開度
とエンジン回転数とによって決定されるマップにより前
記電磁バルブの開閉度合を制御する制御手段を設けたこ
とを特徴とする内燃機関の酸素富化装置。1. An oxygen enrichment device for an internal combustion engine, wherein an oxygen enrichment device for supplying oxygen-enriched air to an internal combustion engine that uses gasoline as a fuel is provided in an intake passage, and from an area where the oxygen enrichment device joins the intake passage. Also, an electromagnetic valve is provided in the upstream intake passage, and a supercharger for producing a pressure difference in the oxygen concentrator is provided in the downstream intake passage, and a carburetor is provided in the intake passage downstream of the supercharger. A throttle opening sensor for detecting the throttle opening of the carburetor throttle valve of the carburetor is provided, and a rotation speed sensor for detecting the engine rotation speed is provided to measure the oxygen concentration of the oxygen-enriched air supplied to the internal combustion engine. In order to maintain a constant value, the detection signals of the throttle opening and engine speed during engine operation are input, and the electromagnetic valve opening is performed according to the map determined by the throttle opening and engine speed. Oxygen enrichment device for an internal combustion engine, characterized in that a control means for controlling the degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61309265A JP2504013B2 (en) | 1986-12-27 | 1986-12-27 | Oxygen enrichment device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61309265A JP2504013B2 (en) | 1986-12-27 | 1986-12-27 | Oxygen enrichment device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63167063A JPS63167063A (en) | 1988-07-11 |
| JP2504013B2 true JP2504013B2 (en) | 1996-06-05 |
Family
ID=17990915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61309265A Expired - Lifetime JP2504013B2 (en) | 1986-12-27 | 1986-12-27 | Oxygen enrichment device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2504013B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158317A (en) * | 1982-03-13 | 1983-09-20 | Mazda Motor Corp | Combustion accelerating device of engine with supercharger |
-
1986
- 1986-12-27 JP JP61309265A patent/JP2504013B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63167063A (en) | 1988-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4721082A (en) | Method of controlling an air/fuel ratio of a vehicle mounted internal combustion engine | |
| JPH05187295A (en) | Air-fuel ratio control device for internal combustion engine | |
| JP2504013B2 (en) | Oxygen enrichment device for internal combustion engine | |
| JPH0228699B2 (en) | ||
| JPS62113828A (en) | Control device for supercharge pressure in engine with turbosupercharger | |
| JPH0295766A (en) | Oxygen enriching air controller for oxygen enriched engine | |
| JPS60192845A (en) | Air-fuel ratio control device | |
| JPS60198348A (en) | Engine controller | |
| JPH07117004B2 (en) | Oxygen enrichment device for internal combustion engine | |
| JPH01280651A (en) | Air-fuel ratio control device | |
| JPS6341622A (en) | Superchargning quantity controlling method for internal combustion engine | |
| JPH07233761A (en) | Exhaust reflux device for engine | |
| JPS60128943A (en) | Controller for engine | |
| JP2614766B2 (en) | Air-fuel ratio control device for gas engine | |
| JP3026881B2 (en) | Carburetor air bleed control | |
| JPS6161918A (en) | Air intake device of internal-combustion engine | |
| JPS61160520A (en) | Intake-air control device in internal-combustion engine | |
| JPS6085229A (en) | Partial operation control type internal-combustion engine | |
| JPS58158362A (en) | Air suction device for engine | |
| JPS6388262A (en) | Oxygen enriching device for internal combustion engine | |
| JPH01313647A (en) | Idle revolution speed control for internal combustion engine | |
| JPS58160527A (en) | Combustion accelerating device of engine | |
| JPS6189940A (en) | Controller for throttle valve of engine | |
| JPS6181552A (en) | Exhaust gas cleaning device for car-mounted internal-combustion engine | |
| JPH04132815A (en) | Engine controller |