JPS62189327A - Supercharger of engine - Google Patents
Supercharger of engineInfo
- Publication number
- JPS62189327A JPS62189327A JP3049586A JP3049586A JPS62189327A JP S62189327 A JPS62189327 A JP S62189327A JP 3049586 A JP3049586 A JP 3049586A JP 3049586 A JP3049586 A JP 3049586A JP S62189327 A JPS62189327 A JP S62189327A
- Authority
- JP
- Japan
- Prior art keywords
- supercharger
- intake passage
- cylinders
- mechanical
- exhaust
- 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
- 230000004044 response Effects 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Supercharger (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はエンジンの過給装置の改良に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to improvements in engine supercharging devices.
（従来技術）
従来、過給機付エンジンにおいて、排気ターボ過給機（
ターボチャージャ）に機械式過給機（スーパーチャージ
ャ）を付加して、低回転域における加速時の応答性を向
上させるようにしたものが提参照）。(Prior art) Conventionally, in a supercharged engine, an exhaust turbo supercharger (
A mechanical supercharger (supercharger) is added to the turbocharger to improve responsiveness during acceleration in the low rotation range (see proposal).
しかしながら当該過給機付エンジンでは、排気ターボ過
給機と機械式過給機とで独自に全気筒を過給する構成で
あるから、各過給機が大型化し、大型化に伴って応答性
が低下し、さらには搭載性においても不利になるという
問題があった。However, in this supercharged engine, the exhaust turbo supercharger and mechanical supercharger independently supercharge all cylinders, so each supercharger becomes larger, and as the size increases, the responsiveness increases. There was a problem in that the performance was lowered and there was also a disadvantage in terms of mountability.
（発明の目的）
本発明は、上記従来の問題を解決するためになされたも
ので、排気ターボ過給機のレスポンスの向上、高回転域
での出力、燃費の向上、機械式過給機の小型化を図るこ
とを目的とするものである。(Purpose of the Invention) The present invention has been made to solve the above-mentioned conventional problems, and it improves the response of the exhaust turbo supercharger, improves the output in the high rotation range, improves fuel efficiency, and improves the performance of the mechanical supercharger. The purpose is to reduce the size.
（発明の構成）
このため本発明は、排気ガスにより駆動される排気ター
ボ過給機を備え、・該過給機より下流の吸気通路を、一
部の気筒に連通ずる第１吸気通路と、残りの気筒に連通
する第２吸気通路とに分割し、第１吸気通路に、エンジ
ンの駆動軸により駆動される機械式過給機を介設したこ
とを特徴とするものである。(Structure of the Invention) Therefore, the present invention includes an exhaust turbo supercharger driven by exhaust gas, and a first intake passage that communicates an intake passage downstream of the supercharger with some cylinders; It is characterized in that it is divided into a second intake passage that communicates with the remaining cylinders, and that a mechanical supercharger that is driven by the drive shaft of the engine is interposed in the first intake passage.
本発明によれば、吸気通路に設けた排気ターボ過給機に
より、第１吸気通路を介して一部気筒に過給し、第２吸
気通路を介して残りの気筒に過給するとともに、第１吸
気通路に設けた機械式過給機により、−邪気筒にさらに
過給するようにした。According to the present invention, the exhaust turbo supercharger provided in the intake passage supercharges some of the cylinders through the first intake passage, supercharges the remaining cylinders through the second intake passage, and supercharges the remaining cylinders through the second intake passage. A mechanical supercharger installed in the first intake passage provides additional supercharging to the negative cylinder.
ものであるから、機械式過給機の吸引力により排気ター
ボ過給機のレスポンスが向上するようになり、これに伴
って大型の排気ターボ過給機が使用できるので、高回転
域での出力、燃費が向上するようになる。As a result, the response of the exhaust turbo supercharger is improved due to the suction force of the mechanical supercharger, and as a result, a large exhaust turbo supercharger can be used, increasing the output in the high rotation range. , fuel efficiency will improve.
また、機械式過給機は、−邪気筒のみを過給するだけで
あるから、小型化でき、搭載性が向上するようになる。Furthermore, since the mechanical supercharger only supercharges the negative cylinder, it can be made smaller and can be more easily mounted.
（実施例）
以下、本発明の実施例を添付図面について詳細に説明す
る。(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第１図は６気筒のエンジンＥでの実施例を示し、気筒１
．Ｉ［［、Ｖと気筒ｎ、 ＩＶ、 ＶＴとが並列に配置
されている。FIG. 1 shows an example of a 6-cylinder engine E, in which cylinder 1
．． I[[, V and cylinders n, IV, and VT are arranged in parallel.
上記気筒＋、ｍ、ｖの各吸気ボートには、エアクリーナ
７の下流側で主吸気通路ｌから分岐した第１吸気通路Ｉ
Ａの分岐通路１ａ、３ａ、５ａがそれぞれ連結され、上
記気筒Ｉｔ、 ！Ｖ、 Ｖｌの各吸気ボートには、第２
吸気通路ＩＢの分岐通路２ ａ、 ４ ａ。Each intake boat for cylinders +, m, and v has a first intake passage I branched from the main intake passage I on the downstream side of the air cleaner 7.
The branch passages 1a, 3a, and 5a of A are connected to each other, and the cylinders It, ! Each intake boat of V and Vl has a second
Branch passages 2a and 4a of intake passage IB.
６ａがそれぞれ連結されている。6a are connected to each other.
上記気筒ｎ、 ＩＶ、 Ｖｌの各排気ボートには、触媒
８の上流側で主排気通路２から分岐した第２排気通路２
Ｂの分岐通路２ｂ、４ｂ、６ｂがそれぞれ連結され、上
記気筒１．Ｉ［［、Ｖの各排気ボートには、第１排気通
路２Ａの分岐通路１ｂ、３ｂ、５ｂがそれぞれ連結され
ている。Each exhaust boat for the cylinders n, IV, and Vl has a second exhaust passage 2 branched from the main exhaust passage 2 on the upstream side of the catalyst 8.
B branch passages 2b, 4b, and 6b are connected to each other, and the cylinders 1. Branch passages 1b, 3b, and 5b of the first exhaust passage 2A are connected to each exhaust boat of I[[, V, respectively.
上記各気筒１〜■の吸気側分岐通路１ａ〜６ａには燃料
噴射弁１ｃ〜６ｃがそれぞれ設けられている。Fuel injection valves 1c to 6c are provided in the intake side branch passages 1a to 6a of the cylinders 1 to 2, respectively.
第１吸気通路ＩＡと第２吸気通路ＩＢの途中には、スロ
ットル弁１０Ａ、ＩＯＢがそれぞれ設けられている。Throttle valves 10A and IOB are provided midway between the first intake passage IA and the second intake passage IB, respectively.
上記主吸気通路１には、排気ターボ過給機１１のコンプ
レッサｌｌａが設けられ、上記主排気通路２には、排気
ターボ過給機１１のタービンｌｌｂが設けられ、該ター
ビンｌｌｂと上記コンプレッサｌｌａとは駆動軸ｌｉｅ
で連結されている。The main intake passage 1 is provided with a compressor lla of the exhaust turbo supercharger 11, the main exhaust passage 2 is provided with a turbine llb of the exhaust turbo supercharger 11, and the turbine llb and the compressor lla are connected to each other. is the drive shaft lie
are connected with.
該主排気通路２のタービンＩｌｂの下流側と上流側とを
連通ずるバイパス通路１３が設けられ、該バイパス通路
１３には、該通路１３を開閉するウェストゲート弁１４
が設けられている。A bypass passage 13 is provided that communicates the downstream and upstream sides of the turbine Ilb of the main exhaust passage 2, and the bypass passage 13 has a wastegate valve 14 that opens and closes the passage 13.
is provided.
上記主吸気通路１の分岐部とスロットル弁ｌＯＡとの間
の第１吸気通路ＩＡには機械式過給機１７か設けられ、
第１吸気通路ＩＡの機械式過給機１７の上流側と下流側
とを連通するバイパス通路１８が設けられ、該バイパス
通路１８には、該通路１３の開度を調節するバイパス弁
１９が設けられている。A mechanical supercharger 17 is provided in the first intake passage IA between the branch part of the main intake passage 1 and the throttle valve lOA,
A bypass passage 18 is provided that communicates the upstream and downstream sides of the mechanical supercharger 17 in the first intake passage IA, and the bypass passage 18 is provided with a bypass valve 19 that adjusts the opening degree of the passage 13. It is being
車載のコントローラ（ＣＰＵ）１６には、各吸気通路Ｉ
Ａ、ＩＢのスロットル弁１０Ａ、１０Ｂ下流側の圧力を
検出する圧力センサ２０，２１が接続され、該圧力セン
サ２０，２１の検出信号に応じて、アクチュエータ２２
．２８により上記ウェストゲート弁１４とバイパス弁１
９が開閉制御される。The in-vehicle controller (CPU) 16 includes each intake passage I.
Pressure sensors 20 and 21 are connected to detect the pressure on the downstream side of the throttle valves 10A and 10B of A and IB, and the actuator 22
．． 28 connects the wastegate valve 14 and the bypass valve 1.
9 is controlled to open and close.
７の電磁クラッチ２４が接続されている。No. 7 electromagnetic clutches 24 are connected.
さらに、コントローラＩ６には、エンジン回転数の検出
信号も入力される。Furthermore, a detection signal of the engine rotational speed is also input to the controller I6.
そして、第２図（ａ）に示すような低回転高負荷域（ハ
ツチングで示す。）では上記電磁クラッチ２４がオンさ
れて機械式過給機１７が駆動される一方、第２図（ｂ）
に示すように、バイパス弁１９は、低回転域では閉じら
れ、高回転域では開かれるよう制御される。In the low rotation and high load range (indicated by hatching) as shown in FIG. 2(a), the electromagnetic clutch 24 is turned on and the mechanical supercharger 17 is driven, while as shown in FIG. 2(b)
As shown in , the bypass valve 19 is controlled to be closed in a low rotation range and opened in a high rotation range.
上記のような構成であれば、低回転低負荷域の運転状態
では、バイパス弁１９は閉じ、機械式過給＠１７も停止
しているから、各気筒１〜■は、排気ターボ過給！１１
１１により過給吸気される。With the above configuration, in the operating state in the low rotation and low load range, the bypass valve 19 is closed and the mechanical supercharging @ 17 is also stopped, so each cylinder 1 to ■ is subjected to exhaust turbo supercharging! 11
11 supercharges and intakes the air.
一方、低回転高負荷域の運転状態では、バイパス弁１９
は閉じられているが（第２図（ｂ）参照）、機械式過給
機１７が駆動されるから（第２図（ａ）参照）、第２図
（Ｃ）に実線Ｔ／Ｃ，で示す排気ターボ過給機１１によ
る過給に、鎖線Ｓ／Ｃで示す機械式過給機１７による過
給圧が加わるので、第１吸気になる。On the other hand, in the operating state in the low rotation and high load range, the bypass valve 19
is closed (see Fig. 2(b)), but since the mechanical supercharger 17 is driven (see Fig. 2(a)), the solid line T/C in Fig. 2(C) Since the supercharging by the exhaust turbo supercharger 11 shown in FIG. 12 and the supercharging pressure by the mechanical supercharger 17 shown by the chain line S/C are added, it becomes the first intake.
このＪａ鍼式過給機１７の駆動により排気ターボ過給機
１１のタービンＩｌａに吸引ツノが作用するので、排気
ターボ過給機ＩＩのレスポンスが向上オる。このレスポ
ンスの向上に伴って、大型の排気ターボ過給機１１が使
用可能となるので、特に高速域での出力、燃費の同上を
図ることができる。By driving this Ja acupuncture supercharger 17, a suction horn acts on the turbine Ila of the exhaust turbo supercharger 11, so that the response of the exhaust turbo supercharger II is improved. With this improvement in response, a large-sized exhaust turbo supercharger 11 can be used, so it is possible to improve output and fuel efficiency, especially in high-speed ranges.
さらに、排気ターボ過給機１１は、機械式過給機１７で
加給される気筒Ｉ、ＩＩＩ、Ｖからの排気ガスでし駆動
されるので、過渡応答性も向上する。Furthermore, since the exhaust turbo supercharger 11 is driven by the exhaust gas from the cylinders I, III, and V that is charged by the mechanical supercharger 17, transient response is also improved.
そして、運転状態に応じてバイパス弁１９の開度が調節
されて、機械式過給機１７の過給圧が制御される。Then, the opening degree of the bypass valve 19 is adjusted according to the operating state, and the supercharging pressure of the mechanical supercharger 17 is controlled.
なお、高回転域では、電磁クラッチ２４を切って機械式
過給機１７を停止させるようにしてもよい。この場合に
は、機械式過給機１７のプーリー比を上げることができ
るので、低〜中回転域での過給圧を上げることができる
。Note that in a high rotation range, the electromagnetic clutch 24 may be disengaged to stop the mechanical supercharger 17. In this case, since the pulley ratio of the mechanical supercharger 17 can be increased, the supercharging pressure in the low to medium rotation range can be increased.
排気ターボ過給機１１は、排気ターボ過給機１１で過給
される気筒ｎ、ＩＶ、Ｖｌからの排気ガスで駆動される
ようになる。The exhaust turbo supercharger 11 is driven by exhaust gas from cylinders n, IV, and Vl that are supercharged by the exhaust turbo supercharger 11.
従って、高回転時には、気筒ｎ、 ■、 ■の過給がよ
り効率的に行なえるようになる。Therefore, during high rotation, cylinders n, 1, and 2 can be supercharged more efficiently.
第１図は本発明に係るエンジンの過給装置の構成図、第
２図（ａ）は機械式過給機の作動領域を示すグラフ、第
２図（ｂ）はバイパス弁の開度を示すグラフ、第２図（
ｃ）は過給圧の変化を示すグラフである。
１〜■・・・気Ｌ Ｅ・・・エンジン、ＩＡ、
ＩＢ・・・吸気通路、２Ａ、２Ｂ・・・排気通路、１１
・・・排気ターボ過給機、
１６・・・コントローラ、 １７・・・機械式過給機、
１８・・・バイパス通路、 １９バイパス弁。Fig. 1 is a configuration diagram of an engine supercharging device according to the present invention, Fig. 2 (a) is a graph showing the operating range of the mechanical supercharger, and Fig. 2 (b) shows the opening degree of the bypass valve. Graph, Figure 2 (
c) is a graph showing changes in supercharging pressure. 1～■...Ki L E...Engine, IA,
IB...Intake passage, 2A, 2B...Exhaust passage, 11
...exhaust turbo supercharger, 16...controller, 17...mechanical supercharger,
18...Bypass passage, 19 Bypass valve.
Claims (1)
え、該過給機より下流の吸気通路を、一部の気筒に連通
する第１吸気通路と、残りの気筒に連通する第２吸気通
路とに分割し、第１吸気通路に、エンジンの駆動軸によ
り駆動される機械式過給機を介設したことを特徴とする
エンジンの過給装置。(1) Equipped with an exhaust turbo supercharger driven by exhaust gas, the intake passage downstream of the supercharger is divided into a first intake passage that communicates with some of the cylinders and a second intake passage that communicates with the remaining cylinders. 1. A supercharging device for an engine, characterized in that the first intake passage is divided into a first intake passage, and a mechanical supercharger driven by a drive shaft of the engine is interposed in the first intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3049586A JPS62189327A (en) | 1986-02-13 | 1986-02-13 | Supercharger of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3049586A JPS62189327A (en) | 1986-02-13 | 1986-02-13 | Supercharger of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62189327A true JPS62189327A (en) | 1987-08-19 |
Family
ID=12305410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3049586A Pending JPS62189327A (en) | 1986-02-13 | 1986-02-13 | Supercharger of engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62189327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007170220A (en) * | 2005-12-20 | 2007-07-05 | Mazda Motor Corp | Turbocharged engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026125A (en) * | 1983-07-21 | 1985-02-09 | Nissan Motor Co Ltd | Supercharged internal-combustion engine |
-
1986
- 1986-02-13 JP JP3049586A patent/JPS62189327A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026125A (en) * | 1983-07-21 | 1985-02-09 | Nissan Motor Co Ltd | Supercharged internal-combustion engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007170220A (en) * | 2005-12-20 | 2007-07-05 | Mazda Motor Corp | Turbocharged engine |
| JP4631694B2 (en) * | 2005-12-20 | 2011-02-16 | マツダ株式会社 | Turbocharged engine |
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