JPS61198529U - - Google Patents
Info
- Publication number
- JPS61198529U JPS61198529U JP8179885U JP8179885U JPS61198529U JP S61198529 U JPS61198529 U JP S61198529U JP 8179885 U JP8179885 U JP 8179885U JP 8179885 U JP8179885 U JP 8179885U JP S61198529 U JPS61198529 U JP S61198529U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust passage
- exhaust
- passage
- pressure
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案マルチターボ過給機の構成の一
例を示す模式図、第２図は従来のマルチターボ過
給機の構成の一例を示す模式図である。
１……燃焼室、２……排気通路、３……第１タ
ーボ過給機、４，７……排気タービン、５……排
出通路、６……第２ターボ過給機、８……分岐排
気通路、９，２０……ウエストゲート弁、９Ａ…
…スプリング、９Ｂ……弁体、１０，１６……駆
動軸、１１，１７……コンプレツサ、１２……逆
止弁、１２Ａ，１２Ｂ……ダイヤフラム室、１２
Ｃ……ばね、１３，１４……分岐吸気通路、１５
……吸気通路、１５Ａ……合流点、１８……バイ
パス通路、１９……排出通路、２０Ａ……弁体、
２１，２２……分岐排気通路、２１Ａ，２２Ａ…
…バイパス通路、２３，２４，２５……アクチユ
エータ、２３Ａ，２４Ａ……側路弁、２５Ａ……
開閉弁、２６……制御回路、２７……エアクリー
ナ、２８……エアフローメータ、２９，３０……
分岐吸気通路、３１……逆止弁。
FIG. 1 is a schematic diagram showing an example of the configuration of a multi-turbo supercharger according to the present invention, and FIG. 2 is a schematic diagram showing an example of the configuration of a conventional multi-turbo supercharger. 1... Combustion chamber, 2... Exhaust passage, 3... First turbo supercharger, 4, 7... Exhaust turbine, 5... Exhaust passage, 6... Second turbo supercharger, 8... Branch Exhaust passage, 9, 20...waste gate valve, 9A...
... Spring, 9B ... Valve body, 10, 16 ... Drive shaft, 11, 17 ... Compressor, 12 ... Check valve, 12A, 12B ... Diaphragm chamber, 12
C... Spring, 13, 14... Branch intake passage, 15
...Intake passage, 15A...Confluence point, 18...Bypass passage, 19...Exhaust passage, 20A...Valve body,
21, 22...branch exhaust passage, 21A, 22A...
...Bypass passage, 23, 24, 25... Actuator, 23A, 24A... Sideway valve, 25A...
Opening/closing valve, 26... Control circuit, 27... Air cleaner, 28... Air flow meter, 29, 30...
Branch intake passage, 31... check valve.
Claims (1)
態に応じて前段のターボ過給機から順次後段のタ
ーボ過給機に排気通路を介してエンジン排気を供
給し駆動するようにしたマルチターボ過給装置に
おいて、前記排気通路を前記前段のターボ過給機
用の第１排気通路と前記後段のターボ過給機用の
第２排気通路とに分岐し、少なくとも前記第１排
気通路に前記前段のターボ過給機を側路させるバ
イパス通路を設けて該バイパス通路に側路弁を配
設し、前記第２排気通路には開閉弁を配設して、
前記側路弁および前記開閉弁を前記前段のターボ
過給機からの吐出空気圧および前記排気通路の排
気圧によつて制御するようになし、前記前段のタ
ーボ過給機からの吐出空気圧が所定の過給圧に達
すると、前記側路弁の開度を前記所定の過給圧が
持続されるように制御し、前記排気圧が所定の圧
力に達すると、前記側路弁を閉成して前記開閉弁
を開放し、前記後段のターボ過給機に前記エンジ
ン排気を供給するようにしたことを特徴とするマ
ルチターボ過給装置。 This multi-turbo supercharger has multiple turbo superchargers and drives engine exhaust gas from the front turbo supercharger to the subsequent turbo supercharger through an exhaust passage in order according to the engine load condition. In the feeding device, the exhaust passage is branched into a first exhaust passage for the front-stage turbocharger and a second exhaust passage for the rear-stage turbocharger, and at least the first exhaust passage is connected to the front-stage turbocharger. A bypass passage for bypassing the turbocharger is provided, a bypass valve is disposed in the bypass passage, and an on-off valve is disposed in the second exhaust passage,
The bypass valve and the opening/closing valve are controlled by the discharge air pressure from the front-stage turbocharger and the exhaust pressure of the exhaust passage, and the discharge air pressure from the front-stage turbocharger is controlled at a predetermined level. When the boost pressure is reached, the opening degree of the bypass valve is controlled so that the predetermined boost pressure is maintained, and when the exhaust pressure reaches a predetermined pressure, the bypass valve is closed. A multi-turbo supercharging device characterized in that the opening/closing valve is opened to supply the engine exhaust gas to the turbo supercharger in the latter stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8179885U JPS61198529U (en) | 1985-05-31 | 1985-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8179885U JPS61198529U (en) | 1985-05-31 | 1985-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61198529U true JPS61198529U (en) | 1986-12-11 |
Family
ID=30628919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8179885U Pending JPS61198529U (en) | 1985-05-31 | 1985-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61198529U (en) |
-
1985
- 1985-05-31 JP JP8179885U patent/JPS61198529U/ja active Pending
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