JPH0225014B2 - - Google Patents
Info
- Publication number
- JPH0225014B2 JPH0225014B2 JP56045574A JP4557481A JPH0225014B2 JP H0225014 B2 JPH0225014 B2 JP H0225014B2 JP 56045574 A JP56045574 A JP 56045574A JP 4557481 A JP4557481 A JP 4557481A JP H0225014 B2 JPH0225014 B2 JP H0225014B2
- Authority
- JP
- Japan
- Prior art keywords
- intake pipe
- air
- intake
- engine
- chamber
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Description
【発明の詳細な説明】
本発明はターボチヤージヤ付エンジンの吸気装
置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an intake system for a turbocharged engine.
従来のこの種の吸気装置は第１図に示すような
ものであり、エンジンａが高速運転状態から急負
荷により低速になつた時、エアクリーナｂからタ
ーボコンプレツサｃ入口への空気の流れ（慣性）
をせき止め別経路にてブーストコンプレツサｄ入
口に供給するため、空気供給が円滑にいかない
（遅れが生ずる）欠点があつた。 A conventional intake system of this type is as shown in Fig. 1. When engine a goes from high-speed operation to low speed due to a sudden load, air flows from air cleaner b to turbo compressor c inlet (inertia). )
Since the air is dammed and supplied to the inlet of the boost compressor d through a separate route, there is a drawback that the air supply is not smooth (delays occur).
本発明は上記の事情に鑑みなされたものであつ
て、その目的とするところは吸気流速が増大しコ
ンプレツサの入口の静圧が高くなりエンジンへの
給気量が増大し低速域での給気量不足によるトル
ク不足を補うことができるターボチヤージヤ付エ
ンジンの吸気装置を提供することにある。 The present invention has been made in view of the above circumstances, and its purpose is to increase the intake air flow velocity, increase the static pressure at the inlet of the compressor, increase the amount of air supplied to the engine, and improve the intake air at low speeds. To provide an intake device for a turbocharged engine capable of compensating for torque deficiency due to insufficient quantity.
また本発明の他の目的とするところはエジエク
タ効果のみならずコンプレツサの入口にスワール
を生ぜしめコンプレツサの効率が向上でき、エン
ジンへの給気量が増大し低速域での給気量不足に
よるトルク不足を補うことができるターボチヤー
ジヤ付エンジンの吸気装置を提供することにあ
る。 Another object of the present invention is to improve the efficiency of the compressor by creating a swirl at the inlet of the compressor, in addition to the ejector effect, and by increasing the amount of air supplied to the engine, which results in the torque being reduced due to insufficient air supply in the low speed range. An object of the present invention is to provide an intake system for a turbocharged engine that can compensate for deficiencies.
以下、本発明を第２図以下を参照して説明す
る。 Hereinafter, the present invention will be explained with reference to FIG. 2 and subsequent figures.
図面中１はエンジン、２はターボチヤージヤで
ある。ターボチヤージヤ２のタービン３の入口側
はエンジン１の排気ポート側に連通されており、
ターボチヤージヤ２のコンプレツサ４の吐出側は
エンジン１の吸気ポート側に連通されている。 In the drawing, 1 is an engine and 2 is a turbocharger. The inlet side of the turbine 3 of the turbocharger 2 is communicated with the exhaust port side of the engine 1,
The discharge side of the compressor 4 of the turbocharger 2 is communicated with the intake port side of the engine 1.
図面中５はエアクリーナであり、エアクリーナ
５の出口側は吸気管６を介して前記コンプレツサ
４の入口側に通じている。 In the drawing, reference numeral 5 denotes an air cleaner, and the outlet side of the air cleaner 5 communicates with the inlet side of the compressor 4 via an intake pipe 6.
この吸気管６にはエジエクタ７が設けてある。
このエジエクタ７は吸気管６の外周部を囲繞して
設けられた環状のチヤンバ８を備えており、この
チヤンバ８で囲繞される吸気管６の周壁には周方
向に所定の間隔をおいて複数のノズル９が設けて
あり、これらのノズル９は吸気管６内の空気の流
れ方向に傾きかつ吸気管６の周方向において、右
旋回流を与えるべく傾斜している。 This intake pipe 6 is provided with an ejector 7.
The ejector 7 includes an annular chamber 8 provided surrounding the outer periphery of the intake pipe 6, and the peripheral wall of the intake pipe 6 surrounded by the chamber 8 has a plurality of holes spaced at predetermined intervals in the circumferential direction. Nozzles 9 are provided, and these nozzles 9 are inclined in the flow direction of the air in the intake pipe 6 and are inclined in the circumferential direction of the intake pipe 6 so as to give a right-handed swirling flow.
図面中１０は容量式のブーストコンプレツサで
あり、ブーストコンプレツサ１０の吐出側はエジ
エクタ７のチヤンバ８内に通じている。 In the drawing, reference numeral 10 denotes a capacitive boost compressor, and the discharge side of the boost compressor 10 communicates with the chamber 8 of the ejector 7.
ブーストコンプレツサ１０の入力側はエンジン
１の動力取出側に動力伝達機構１１を介して連結
してあり、この動力伝達機構１１には電磁クラツ
チ1.2が設けてあり、この電磁クラツチ１２はコ
ントロールユニツト１３により入切作動がなされ
るものである。コントロールユニツト１３の入力
側にはエンジン回転数、燃料噴射量等が入力信号
として導入される。なお１４はエアクリーナであ
る。このエアクリーナ１４と他のエアクリーナ５
とは一体にしてもよい。 The input side of the boost compressor 10 is connected to the power output side of the engine 1 via a power transmission mechanism 11, and this power transmission mechanism 11 is provided with an electromagnetic clutch 1.2, which is connected to a control unit 13. The on/off operation is performed by. Engine speed, fuel injection amount, etc. are input to the input side of the control unit 13 as input signals. Note that 14 is an air cleaner. This air cleaner 14 and other air cleaners 5
It may be combined with
しかして、エンジン１の稼動時ブーストコンプ
レツサ１０が駆動されて高圧空気がエジエクタ７
に供給されノズル９から吸気管６内に噴射されて
エジエクタ効果を生じ吸気流速が向上しターボチ
ヤージヤ２のコンプレツサ４の入口での静圧が向
上する。またノズル９から吸気管６内に噴射され
る高圧空気はノズル９の傾きによりスワールを発
生させコンプレツサ４の入口でのプレローテンシ
ヨンを生ぜせしめコンプレツサ４の効率を向上さ
せる。 When the engine 1 is running, the boost compressor 10 is driven and high pressure air is supplied to the ejector 7.
The air is supplied to the air and injected into the intake pipe 6 from the nozzle 9, producing an ejector effect, increasing the intake flow rate and improving the static pressure at the inlet of the compressor 4 of the turbocharger 2. Further, the high-pressure air injected into the intake pipe 6 from the nozzle 9 generates a swirl due to the inclination of the nozzle 9, causing pre-rotation at the inlet of the compressor 4, thereby improving the efficiency of the compressor 4.
このために給気量が向上しエンジン１の低速域
での給気量不足によるトルク不足が補われる。 This improves the amount of air supply and compensates for the lack of torque due to the insufficient amount of air supply in the low speed range of the engine 1.
また上記作用において、チヤンバ８より吸気管
６内へ噴射される高圧空気は、チヤンバ８が吸気
管６を囲繞する環状になつていることにより、吸
気管６内に円周方向から均等に流入される。 In addition, in the above action, the high-pressure air injected from the chamber 8 into the intake pipe 6 is uniformly flowed into the intake pipe 6 from the circumferential direction because the chamber 8 has an annular shape surrounding the intake pipe 6. Ru.
本発明は以上のようになり、ターボチヤージヤ
２のコンプレツサ４の入口側に接続された吸気管
６に、この吸気管６の外周部を囲繞する環状のチ
ヤンバ８を設け、このチヤンバ８に高圧空気供給
源の吐出側を連通し、このチヤンバ８で囲繞され
る吸気管６の周壁に、チヤンバ８内の高圧空気を
吸気管６内に噴射する複数個のノズル９を、略等
間隔に、かつ吸気管６内の吸気流の流れ方向に傾
斜させると共に、吸気管６の周方向に傾斜させて
設けた構成となつているから、ノズル９からの高
圧空気によりエジエクタ効果が付与され吸気流速
が増大しコンプレツサ４の入口の静圧が高くなり
エンジンへの給気量が増大し低速域での給気量不
足によるトルク不足を補うことができる。 The present invention is as described above, and the intake pipe 6 connected to the inlet side of the compressor 4 of the turbocharger 2 is provided with an annular chamber 8 surrounding the outer circumference of the intake pipe 6, and high pressure air is supplied to the chamber 8. A plurality of nozzles 9 for injecting high-pressure air in the chamber 8 into the intake pipe 6 are installed at approximately equal intervals on the peripheral wall of the intake pipe 6, which communicates with the discharge side of the source and is surrounded by the chamber 8. Since it is configured to be inclined in the flow direction of the intake air flow in the pipe 6 and also in the circumferential direction of the intake pipe 6, the high pressure air from the nozzle 9 imparts an ejector effect and increases the intake flow velocity. The static pressure at the inlet of the compressor 4 increases, the amount of air supplied to the engine increases, and it is possible to compensate for the lack of torque due to the insufficient amount of air supply in the low speed range.
また、本発明によれば、吸気管６内に噴射され
る高圧空気は環状のチヤンバ８より吸気管６内に
円周方向から均等に流入することができてコンプ
レツサ４の効率が向上でき、エンジンへの給気量
が増大し低速域で給気量不足によるトルク不足を
補うことができる。 Furthermore, according to the present invention, the high-pressure air injected into the intake pipe 6 can evenly flow into the intake pipe 6 from the circumferential direction through the annular chamber 8, thereby improving the efficiency of the compressor 4 and improving the engine efficiency. This increases the amount of air supplied to the engine, making it possible to compensate for the lack of torque due to insufficient air supply in the low speed range.
第１図は従来のターボチヤージヤ付エンジンの
吸気装置の構成説明図、第２図は本発明一実施例
の構成説明図、第３図は第２図−線に沿う断
面図である。
２はターボチヤージヤ、４はコンプレツサ、６
は吸気管、８はチヤンバ、９はノズル。
FIG. 1 is an explanatory diagram of the configuration of an intake system for a conventional turbocharged engine, FIG. 2 is an explanatory diagram of the configuration of an embodiment of the present invention, and FIG. 3 is a sectional view taken along the line shown in FIG. 2. 2 is turbo charger, 4 is compressor, 6
is the intake pipe, 8 is the chamber, and 9 is the nozzle.
Claims (1)
側に接続された吸気管６に、この吸気管６の外周
部を囲繞する環状のチヤンバ８を設け、このチヤ
ンバ８に高圧空気供給源の吐出側を連通し、この
チヤンバ８で囲繞される吸気管６の周壁に、チヤ
ンバ８内の高圧空気を吸気管６内に噴射する複数
個のノズル９を、略等間隔に、かつ吸気管６内の
吸気流の流れ方向に傾斜させると共に、吸気管６
の周方向に傾斜させて設けたことを特徴とするタ
ーボチヤージヤ付エンジンの吸気装置。1. An annular chamber 8 surrounding the outer periphery of the intake pipe 6 is provided in the intake pipe 6 connected to the inlet side of the compressor 4 of the turbocharger 2, and the discharge side of a high-pressure air supply source is communicated with the chamber 8. On the peripheral wall of the intake pipe 6 surrounded by the chamber 8, a plurality of nozzles 9 for injecting high-pressure air in the chamber 8 into the intake pipe 6 are installed at approximately equal intervals and to control the flow of the intake air in the intake pipe 6. The intake pipe 6
An intake device for an engine with a turbocharger, characterized in that the air intake device is inclined in the circumferential direction of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56045574A JPS57159920A (en) | 1981-03-30 | 1981-03-30 | Intake device for engine with turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56045574A JPS57159920A (en) | 1981-03-30 | 1981-03-30 | Intake device for engine with turbocharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57159920A JPS57159920A (en) | 1982-10-02 |
| JPH0225014B2 true JPH0225014B2 (en) | 1990-05-31 |
Family
ID=12723112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56045574A Granted JPS57159920A (en) | 1981-03-30 | 1981-03-30 | Intake device for engine with turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57159920A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201103357D0 (en) * | 2011-02-28 | 2011-04-13 | Thomas Tsoi H M | Vehicle with assisted boost to turbocharger |
| JP2014015880A (en) * | 2012-07-06 | 2014-01-30 | Toyota Industries Corp | Intake air supply structure of turbocharger |
| JP6032579B1 (en) * | 2015-11-27 | 2016-11-30 | 正裕 井尻 | Supercharger for internal combustion engine |
| WO2018070002A1 (en) * | 2016-10-13 | 2018-04-19 | 正裕 井尻 | Supercharging device of internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034749Y2 (en) * | 1980-10-07 | 1985-10-16 | マツダ株式会社 | Intake system for turbocharged engine |
-
1981
- 1981-03-30 JP JP56045574A patent/JPS57159920A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57159920A (en) | 1982-10-02 |
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