JP2002276378A - Variable intake control device for internal combustion engine - Google Patents
Variable intake control device for internal combustion engineInfo
- Publication number
- JP2002276378A JP2002276378A JP2001078077A JP2001078077A JP2002276378A JP 2002276378 A JP2002276378 A JP 2002276378A JP 2001078077 A JP2001078077 A JP 2001078077A JP 2001078077 A JP2001078077 A JP 2001078077A JP 2002276378 A JP2002276378 A JP 2002276378A
- Authority
- JP
- Japan
- Prior art keywords
- intake
- internal combustion
- combustion engine
- surge tank
- intake pipe
- 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
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Characterised By The Charging Evacuation (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、内燃機関の吸気管
長を変えて吸気効率を向上させる可変吸気制御装置に関
し、特に吸気管長を連続して変化させることができる可
変吸気制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable intake control apparatus for improving intake efficiency by changing the length of an intake pipe of an internal combustion engine, and more particularly to a variable intake control apparatus capable of continuously changing the intake pipe length.
【０００２】[0002]
【従来の技術】内燃機関の吸入空気は吸気バルブの開閉
作動により脈動流となる。吸気バルブが閉じる時、吸入
空気はバルブ近傍でその慣性力により圧縮され、閉じた
バルブよりサージタンク側に高速で押し戻される。そし
て、この圧縮された吸入空気がサージタンクに達する
と、再び吸気バルブ側に跳ね返されるからである。2. Description of the Related Art Intake air of an internal combustion engine is pulsated by opening and closing an intake valve. When the intake valve is closed, the intake air is compressed by the inertial force near the valve and is pushed back to the surge tank side from the closed valve at a high speed. Then, when the compressed intake air reaches the surge tank, it is rebounded to the intake valve side again.
【０００３】この圧縮された吸入空気が吸入行程終了直
前に再び吸気バルブに戻るように、吸気管長及びサージ
タンクの形状を設定すると、吸入空気量が増大し、トル
クがアップすることが知られている。If the length of the intake pipe and the shape of the surge tank are set so that the compressed intake air returns to the intake valve immediately before the end of the intake stroke, it is known that the intake air amount increases and the torque increases. I have.
【０００４】[0004]
【発明が解決しようとする課題】そこで、従来では、サ
ージタンクから吸気マニホールドに入る箇所等に吸気管
長切替弁を設け、この吸気管長切替弁を内燃機関の回転
速度に応じて二段階に切り替えることにより、吸気効率
を向上させる可変吸気制御装置が内燃機関の吸気系で使
用されている。Therefore, conventionally, an intake pipe length switching valve is provided at a position where the intake pipe enters the intake manifold from the surge tank, and the intake pipe length switching valve is switched in two stages according to the rotational speed of the internal combustion engine. Therefore, a variable intake control device for improving intake efficiency is used in an intake system of an internal combustion engine.
【０００５】しかし、従来のこの種の可変吸気制御装置
は、機関の回転速度に応じて二段階に切り替える、つま
り低速時には吸気管長が長くなるように切替弁を切り替
え、高速時には吸気管長が短くなるように切替弁を切り
替えだけであるため、中間の速度においては回転速度に
応じた吸気管長の制御が行なえず、その中間速度の領域
において吸気効率が良好に制御できず、この回転領域に
おけるトルクの落ち込みが生じ易いという課題があっ
た。However, this kind of conventional variable intake control device switches in two stages in accordance with the engine speed, that is, switches the switching valve so that the intake pipe length becomes longer at low speeds, and decreases the intake pipe length at high speeds. As described above, since only the switching valve is switched, the intake pipe length cannot be controlled in accordance with the rotational speed at an intermediate speed, and the intake efficiency cannot be favorably controlled in the intermediate speed region. There is a problem that a drop easily occurs.
【０００６】本発明は、上記の点に鑑みてなされたもの
で、吸気管長を連続して制御することにより、機関の回
転速度に応じて吸気効率を良好に向上させることができ
る内燃機関の可変吸気制御装置を提供することを目的と
する。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has a variable internal combustion engine capable of satisfactorily improving the intake efficiency in accordance with the engine speed by continuously controlling the intake pipe length. It is an object to provide an intake control device.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の可変吸気制御装置は、内燃機関の吸気管に
接続され内部に円筒状のサージタンク室を有すると共
に、サージタンク室の外周部にサージタンク室を円周方
向に覆って並設された複数の湾曲通路を有するケーシン
グと、サージタンク室内に回転可能に嵌挿され、吸気管
に連通する入口ポートを有すると共に、各湾曲通路に連
通する複数の出口ポートを外周部に設けた回転円筒体
と、回転円筒体を回転駆動するアクチュエータと、を備
え、各湾曲通路の端部に設けた吐出口が内燃機関の各気
筒の吸気ポートに連通接続され、アクチュエータにより
回転円筒体を回転させて出力ポートの位置を湾曲通路内
で円周方向に変えて吸気管長を変化させることを特徴と
する。To achieve the above object, a variable intake control apparatus according to the present invention has a cylindrical surge tank chamber connected to an intake pipe of an internal combustion engine and has a cylindrical surge tank chamber. A casing having a plurality of curved passages which are arranged side by side in a circumferential direction so as to cover the surge tank chamber in an outer peripheral portion; and an inlet port rotatably inserted into the surge tank chamber and communicating with the intake pipe, and each curved passage has A rotating cylinder provided with a plurality of outlet ports communicating with the passage on the outer peripheral portion, and an actuator for driving the rotating cylinder to rotate, the discharge port provided at the end of each curved passage is provided for each cylinder of the internal combustion engine. The intake pipe is connected to the intake port, and the rotary cylinder is rotated by the actuator to change the position of the output port in the circumferential direction in the curved passage to change the length of the intake pipe.
【０００８】ここで、アクチュエータとしては、減速機
付きのモータを使用することができる。Here, a motor with a speed reducer can be used as the actuator.
【０００９】[0009]
【作用】このような構成の可変吸気制御装置は、内燃機
関の低速回転時には、アクチュエータが回転円筒体を回
転駆動して、その出力ポートの位置が湾曲通路内でその
吐出口から最も遠くなる位置に制御する。これにより、
内燃機関の吸気管長が最も長くなるように制御され、こ
の吸気管長によって決定される吸気脈動流の周波数が、
機関の低速回転時の吸気脈動の周波数と一致し、吸気の
慣性効果が吸気に良好に作用して、内燃機関の吸気効率
が向上し、トルクを向上させることができる。In the variable intake control device having such a structure, when the internal combustion engine is rotating at a low speed, the actuator rotates the rotary cylinder so that the position of the output port is farthest from the discharge port in the curved passage. To control. This allows
The intake pipe length of the internal combustion engine is controlled to be the longest, and the frequency of the intake pulsation flow determined by this intake pipe length is
The frequency of the intake pulsation coincides with the frequency of the intake pulsation at the time of low-speed rotation of the engine, and the inertia effect of the intake works well on the intake, thereby improving the intake efficiency of the internal combustion engine and improving the torque.
【００１０】また、低速回転から増速する中速回転時に
も、その回転速度に応じてアクチュエータが回転円筒体
を回転駆動し、その出力ポートの位置を湾曲通路内でそ
の速度に応じて湾曲通路の吐出口側に変えるように動か
し、吸気管長を増速速度に応じて短くなるように制御す
る。これにより、内燃機関の中速回転領域においても、
吸気管長によって決定される吸気脈動流の周波数が、機
関の中速回転時の吸気脈動の周波数と一致するように制
御され、吸気の慣性効果が吸気に良好に作用して、内燃
機関の吸気効率が向上する。In addition, also at the time of medium-speed rotation, which is increased from low-speed rotation, the actuator drives the rotary cylinder to rotate in accordance with the rotation speed, and the position of the output port is set in the curved passage in the curved passage according to the speed. And the intake pipe length is controlled so as to be shortened in accordance with the speed increasing speed. As a result, even in the medium speed region of the internal combustion engine,
The frequency of the intake pulsation flow determined by the intake pipe length is controlled so as to match the frequency of the intake pulsation at the time of medium-speed rotation of the engine, and the inertia effect of the intake works well on the intake to improve the intake efficiency of the internal combustion engine. Is improved.
【００１１】同様に、高速回転時には、アクチュエータ
が回転円筒体を回転駆動して、その出力ポートの位置が
湾曲通路内でその吐出口に最も近い位置になるように制
御される。これにより、内燃機関の吸気管長が最も短く
なるように制御され、内燃機関の吸気管長によって決定
される吸気脈動流の周波数が、機関の高速回転時の吸気
脈動の周波数と一致するようになり、吸気の慣性効果が
吸気に良好に作用して、内燃機関の吸気効率が向上す
る。Similarly, at the time of high-speed rotation, the actuator rotates and drives the rotary cylinder so that the position of the output port is controlled to be the position closest to the discharge port in the curved passage. Thereby, the intake pipe length of the internal combustion engine is controlled to be the shortest, and the frequency of the intake pulsation flow determined by the intake pipe length of the internal combustion engine matches the frequency of the intake pulsation at the time of high-speed rotation of the engine. The inertia effect of the intake works well on the intake to improve the intake efficiency of the internal combustion engine.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１は可変吸気制御装置の斜視図
を示し、図２はその断面図を示している。４は本装置の
ケーシングであり、ケーシング４内の中央部に円筒状の
サージタンク室３が形成され、そのサージタンク室３の
周囲外周部に略Ｕ字状の湾曲通路５ａ〜５ｄが、その周
囲を巻回して包囲するように形成される。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the variable intake control device, and FIG. 2 is a sectional view thereof. Reference numeral 4 denotes a casing of the apparatus, in which a cylindrical surge tank chamber 3 is formed in a central portion of the casing 4, and substantially U-shaped curved passages 5 a to 5 d are formed around the surge tank chamber 3. It is formed so as to be wound around and surrounded.
【００１３】これらの湾曲通路５ａ〜５ｄは、機関の吸
気マニホールドの始端部を形成するように略Ｕ字状に湾
曲して形成され、図示しない内燃機関の気筒数（ここで
は４本）に対応した数の湾曲通路５ａ〜５ｄが並設され
ている。これらの湾曲通路５ａ〜５ｄの元部は中央のサ
ージタンク室３に連通し、各湾曲通路５ａ〜５ｄの吐出
口２は、図示しない各気筒の吸気ポートに連通・接続さ
れる。These curved passages 5a to 5d are formed in a substantially U-shape so as to form the starting end of the intake manifold of the engine, and correspond to the number of cylinders (four in this case) of the internal combustion engine (not shown). A number of curved passages 5a to 5d are arranged in parallel. The roots of these curved passages 5a to 5d communicate with the surge tank chamber 3 at the center, and the discharge ports 2 of the curved passages 5a to 5d communicate with and are connected to the intake ports of each cylinder (not shown).
【００１４】円筒形のサージタンク室３内には、回転円
筒体６が回転可能に配設される。ケーシング４の一端
（一方の側部）に円形孔が形成され、その円形孔に吸気
管１が接続される。また、吸気管１の内側又はケーシン
グ４の円形孔の内側に軸受１３が設けられ、回転円筒体
６の端部がその入口ポート７を吸気管１に連通させた状
態で、軸受１３に嵌挿・接続される。吸気管１は、図示
しないスロットルバルブ、エアークリーナへと連通し、
吸気管１を通して空気が入口ポート７から回転円筒体６
内に導入される。In the cylindrical surge tank chamber 3, a rotating cylinder 6 is rotatably disposed. A circular hole is formed at one end (one side) of the casing 4, and the intake pipe 1 is connected to the circular hole. A bearing 13 is provided inside the intake pipe 1 or inside the circular hole of the casing 4, and the end of the rotary cylinder 6 is inserted into the bearing 13 in a state where the inlet port 7 communicates with the intake pipe 1.・ Connected. The intake pipe 1 communicates with a throttle valve and an air cleaner (not shown),
Air flows from the inlet port 7 through the intake pipe 1 to the rotating cylinder 6
Introduced within.
【００１５】サージタンク室３内に嵌挿された回転円筒
体６の外周部には、ケーシング４内の各湾曲通路５ａ〜
５ｄに対応して連通する円形孔状の出力ポート８ａ〜８
ｄが設けられる。回転円筒体６の他方の端部は閉鎖さ
れ、その閉鎖端部の中心位置に軸部６ａが突設され、そ
の軸部６ａが、ケーシング４の側部に設けた軸受１４に
嵌合し、回転円筒体６はサージタンク室３内でこの軸受
１４と上記軸受１３により回転可能に支持される。Each of the curved passages 5 a to 5 in the casing 4 is provided on the outer peripheral portion of the rotary cylindrical body 6 inserted in the surge tank chamber 3.
Circular hole-shaped output ports 8a to 8 communicating with each other corresponding to 5d
d is provided. The other end of the rotary cylinder 6 is closed, and a shaft 6a is protruded at a center position of the closed end. The shaft 6a is fitted to a bearing 14 provided on a side of the casing 4, The rotating cylinder 6 is rotatably supported by the bearing 14 and the bearing 13 in the surge tank chamber 3.
【００１６】また、軸部６ａにはアクチュエータとして
減速機１２付きモータ１１の出力軸が連結され、モータ
１１の駆動により回転円筒体６は、図３〜図５に示すよ
うに、約１８０°の範囲で回転制御される。モータ１１
は図示しない制御回路に接続され、制御回路は、内燃機
関の回転速度に応じてモータ１１を駆動制御するように
構成される。An output shaft of a motor 11 with a speed reducer 12 is connected to the shaft portion 6a as an actuator. When the motor 11 is driven, the rotating cylinder 6 is rotated by about 180 ° as shown in FIGS. The rotation is controlled within the range. Motor 11
Is connected to a control circuit (not shown), and the control circuit is configured to drive and control the motor 11 according to the rotation speed of the internal combustion engine.
【００１７】上記のように、ケーシング４内の回転円筒
体６の回転位置を変えることにより、湾曲通路５ａ〜５
ｄの有効吸気管長が変化するが、内燃機関の低速回転か
ら中速回転、中速回転から高速回転時まで、その回転速
度に応じた吸気脈動流の周波数が吸気管長によって決定
される吸気脈動の周波数と一致するように、回転円筒体
６や湾曲通路５ａ〜５ｄの大きさや形状が設定される。As described above, by changing the rotational position of the rotary cylinder 6 in the casing 4, the curved passages 5a to 5
Although the effective intake pipe length of d changes, the frequency of the intake pulsation flow according to the rotation speed is determined by the intake pipe length from low to medium speed rotation of the internal combustion engine and from middle to high speed rotation. The size and shape of the rotating cylindrical body 6 and the curved passages 5a to 5d are set so as to match the frequency.
【００１８】次に、上記構成の可変吸気制御装置の動作
を説明する。内燃機関の低速回転時には、本装置の回転
円筒体６は、モータ１１の駆動により、図３に示す如
く、その出口ポート８ａ〜８ｄを湾曲通路５ａ〜５ｄの
元部に位置するように制御され、これにより吸気管長が
最大の長さとなるように制御される。Next, the operation of the variable intake control device having the above configuration will be described. When the internal combustion engine is rotating at a low speed, the rotating cylinder 6 of the present apparatus is controlled by driving the motor 11 so that the outlet ports 8a to 8d are located at the bases of the curved passages 5a to 5d as shown in FIG. Thus, the intake pipe length is controlled to be the maximum length.
【００１９】内燃機関の吸気は、吸気管１から入口ポー
ト７を通って回転円筒体６に入り、回転円筒体６の各出
口ポート８ａ〜８ｄから湾曲通路５ａ〜５ｄの元部に流
出し、湾曲通路５ａ〜５ｄの元部からその先端の吐出口
２まで湾曲通路５ａ〜５ｄの略全体を通過して各気筒に
流れ、その有効吸気管長は最大となる。The intake air of the internal combustion engine enters the rotary cylinder 6 from the intake pipe 1 through the inlet port 7, and flows out from the respective outlet ports 8a to 8d of the rotary cylinder 6 to the bases of the curved passages 5a to 5d. From the bases of the curved passages 5a to 5d to the discharge port 2 at the tip thereof, they flow through substantially all of the curved passages 5a to 5d to flow into each cylinder, and the effective intake pipe length becomes maximum.
【００２０】内燃機関では、吸気バルブが閉じる時、吸
入空気はバルブ近傍でその慣性力により圧縮され、閉じ
たバルブよりサージタンク側に高速で押し戻される。そ
して、この圧縮された吸入空気がサージタンク室３内の
回転円筒体６に達すると、再び吸気バルブ側に跳ね返さ
れる。この圧縮された吸入空気が吸入行程終了直前に再
び吸気バルブに戻るように、つまりその吸気管長及び湾
曲通路５ａ〜５ｄ、回転円筒体６等の形状によって決定
される吸気脈動流の周波数が、機関のその回転速度時の
吸気脈動の周波数と一致するように制御されるから、低
速回転時には、高い吸気効率となって充分な吸入空気量
が得られ、良好なトルクを引き出すことができる。In the internal combustion engine, when the intake valve is closed, the intake air is compressed by its inertia near the valve and is pushed back to the surge tank side from the closed valve at a high speed. Then, when the compressed intake air reaches the rotating cylindrical body 6 in the surge tank chamber 3, it is rebounded to the intake valve side. The frequency of the intake pulsating flow determined by the shape of the intake pipe length, the curved passages 5a to 5d, the rotating cylinder 6, and the like is set so that the compressed intake air returns to the intake valve immediately before the end of the intake stroke. Is controlled so as to coincide with the frequency of the intake pulsation at the time of the rotation speed. Therefore, at the time of low speed rotation, a high intake efficiency is obtained, a sufficient intake air amount is obtained, and a good torque can be extracted.
【００２１】また、内燃機関の中速回転領域では、モー
タ１１により回転円筒体６が回転駆動されて、図４に示
す如く、その回転速度に応じて出口ポート８ａ〜８ｄが
湾曲通路５ａ〜５ｄの中間部に位置するように制御さ
れ、これによって吸気管長は中速回転に応じた長さに制
御される。これにより、内燃機関の中速回転時の吸気脈
動流の周波数がその吸気管長に対応した吸気脈動流の周
波数と一致するように制御され、その中速回転時の吸気
効率が良好となり、この中速回転時においても充分な吸
入空気量が得られ、最大のトルクを引き出すことができ
る。In the middle speed region of the internal combustion engine, the rotating cylinder 6 is driven to rotate by the motor 11, and as shown in FIG. The intake pipe length is controlled to a length corresponding to the medium speed rotation. Thereby, the frequency of the intake pulsation flow at the time of medium speed rotation of the internal combustion engine is controlled to match the frequency of the intake pulsation flow corresponding to the intake pipe length, and the intake efficiency at the time of medium speed rotation becomes good. Even at high speeds, a sufficient amount of intake air can be obtained, and maximum torque can be extracted.
【００２２】さらに、内燃機関の高速回転時には、図５
に示す如く、モータ１１の駆動により回転円筒体６が回
転駆動され、機関の速度に応じて出口ポート８ａ〜８ｄ
が湾曲通路５ａ〜５ｄの最も吐出口２側に位置するよう
に制御され、これにより有効吸気管長は高速時に対応し
た最短状態となる。これにより、内燃機関の高速回転時
に発生する吸気脈動の周波数が、その際の吸気管長に対
応した吸気脈動流の周波数と一致するように制御され、
高速時の吸気効率が良好となり、この高速回転時におい
ても充分な吸入空気量が得られ、最大のトルクを引き出
すことができる。Further, when the internal combustion engine is rotating at a high speed, FIG.
As shown in FIG. 7, the rotary cylinder 6 is driven to rotate by the drive of the motor 11, and the outlet ports 8a to 8d according to the speed of the engine.
Is controlled to be located closest to the discharge port 2 of the curved passages 5a to 5d, whereby the effective intake pipe length becomes the shortest state corresponding to high speed. Thereby, the frequency of the intake pulsation generated at the time of high-speed rotation of the internal combustion engine is controlled so as to match the frequency of the intake pulsation flow corresponding to the intake pipe length at that time,
The intake efficiency at high speed is improved, and a sufficient intake air amount can be obtained even at this high speed rotation, so that the maximum torque can be extracted.
【００２３】なお、上記実施例では、アクチュエータと
して減速機付きモータを使用したが、その他の電磁ソレ
ノイド等の電気アクチュエータ或は空気圧を利用したア
クチュエータを使用することができる。In the above embodiment, a motor with a speed reducer is used as the actuator. However, other electric actuators such as electromagnetic solenoids or actuators utilizing air pressure can be used.
【００２４】[0024]
【発明の効果】以上説明したように、本発明の可変吸気
制御装置によれば、アクチュエータによりサージタンク
室内の回転円筒体を回転させ、その出力ポートの位置を
湾曲通路内で円周方向に変えて吸気管長を変化させるよ
うに構成したから、内燃機関の回転速度に応じて吸気管
長を連続して変化させることができ、これによって、内
燃機関の吸気管長により決定される吸気脈動流の周波数
が、機関の低速から高速までの全回転領域において、吸
気脈動の周波数と一致するように制御され、吸気の慣性
効果が吸気に良好に作用して、内燃機関の吸気効率が向
上し、トルクを向上させることができる。As described above, according to the variable intake control apparatus of the present invention, the rotary cylinder in the surge tank chamber is rotated by the actuator, and the position of the output port is changed in the circumferential direction in the curved passage. Thus, the intake pipe length can be continuously changed in accordance with the rotation speed of the internal combustion engine, whereby the frequency of the intake pulsation flow determined by the intake pipe length of the internal combustion engine can be changed. The engine is controlled to match the frequency of intake pulsation in the entire rotation range from low to high speeds of the engine, and the inertia effect of the intake works well on the intake, improving the intake efficiency of the internal combustion engine and improving the torque Can be done.
【図１】本発明の一実施形態を示す可変吸気制御装置の
斜視図である。FIG. 1 is a perspective view of a variable intake control device showing one embodiment of the present invention.
【図２】同装置の軸方向に沿った断面図である。FIG. 2 is a cross-sectional view along the axial direction of the device.
【図３】低速時の可変吸気制御装置の横断面図である。FIG. 3 is a cross-sectional view of the variable intake control device at a low speed.
【図４】中速時の可変吸気制御装置の横断面図である。FIG. 4 is a cross-sectional view of the variable intake control device at a middle speed.
【図５】高速時の可変吸気制御装置の横断面図である。FIG. 5 is a cross-sectional view of the variable intake control device at high speed.
１−吸気管 ２−吐出口 ３−サージタンク室 ４−ケーシング ５ａ〜５ｄ−湾曲通路 ６−回転円筒体 ７−入口ポート ８ａ〜８ｄ−出口ポート １１−モータ 1-inlet pipe 2-discharge port 3-surge tank chamber 4-casing 5a-5d-curved passage 6-rotating cylinder 7-inlet port 8a-8d-outlet port 11-motor
Claims (2)
状のサージタンク室を有すると共に、該サージタンク室
の外周部に該サージタンク室を円周方向に覆って並設さ
れた複数の湾曲通路を有するケーシングと、 該サージタンク室内に回転可能に嵌挿され、該吸気管に
連通する入口ポートを有すると共に、該各湾曲通路に連
通する複数の出口ポートを外周部に設けた回転円筒体
と、 該回転円筒体を回転駆動するアクチュエータと、 を備え、 前記各湾曲通路の端部に設けた吐出口が前記内燃機関の
各気筒の吸気ポートに連通接続され、該アクチュエータ
により該回転円筒体を回転させて該出力ポートの位置を
該湾曲通路内で円周方向に変えて吸気管長を変化させる
ことを特徴とする内燃機関の可変吸気制御装置。A plurality of surge tanks connected to an intake pipe of an internal combustion engine and having a cylindrical surge tank chamber therein, and arranged in parallel with the outer periphery of the surge tank chamber so as to circumferentially cover the surge tank chamber. A casing having a curved passage; a rotating cylinder rotatably fitted into the surge tank chamber, having an inlet port communicating with the intake pipe, and a plurality of outlet ports communicating with the curved passages provided on an outer peripheral portion; And an actuator for driving the rotating cylinder to rotate. A discharge port provided at an end of each of the curved passages is connected to an intake port of each cylinder of the internal combustion engine, and the actuator controls the rotating cylinder. A variable intake control apparatus for an internal combustion engine, wherein a position of the output port is changed in a circumferential direction in the curved passage by rotating a body to change an intake pipe length.
タであることを特徴とする請求項１記載の内燃機関の可
変吸気制御装置。2. The variable intake control device for an internal combustion engine according to claim 1, wherein the actuator is a motor with a speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001078077A JP2002276378A (en) | 2001-03-19 | 2001-03-19 | Variable intake control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001078077A JP2002276378A (en) | 2001-03-19 | 2001-03-19 | Variable intake control device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002276378A true JP2002276378A (en) | 2002-09-25 |
Family
ID=18934741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001078077A Pending JP2002276378A (en) | 2001-03-19 | 2001-03-19 | Variable intake control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002276378A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050113779A (en) * | 2004-05-31 | 2005-12-05 | 현대자동차주식회사 | Continuosly variable induction system for automobile |
| KR100579747B1 (en) | 2004-07-02 | 2006-05-15 | 현대자동차주식회사 | variable induction system for automobile |
| CN100458115C (en) * | 2005-12-29 | 2009-02-04 | 比亚迪股份有限公司 | Variable inlet duct and inlet system containing same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6176121U (en) * | 1984-10-24 | 1986-05-22 | ||
| JPH1122472A (en) * | 1997-07-01 | 1999-01-26 | Toyota Motor Corp | Suction device of internal combustion engine |
| JPH11182254A (en) * | 1997-12-18 | 1999-07-06 | Denso Corp | Intake device for internal combustion engine |
-
2001
- 2001-03-19 JP JP2001078077A patent/JP2002276378A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6176121U (en) * | 1984-10-24 | 1986-05-22 | ||
| JPH1122472A (en) * | 1997-07-01 | 1999-01-26 | Toyota Motor Corp | Suction device of internal combustion engine |
| JPH11182254A (en) * | 1997-12-18 | 1999-07-06 | Denso Corp | Intake device for internal combustion engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050113779A (en) * | 2004-05-31 | 2005-12-05 | 현대자동차주식회사 | Continuosly variable induction system for automobile |
| KR100579747B1 (en) | 2004-07-02 | 2006-05-15 | 현대자동차주식회사 | variable induction system for automobile |
| CN100458115C (en) * | 2005-12-29 | 2009-02-04 | 比亚迪股份有限公司 | Variable inlet duct and inlet system containing same |
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