JPH02127744U - - Google Patents
Info
- Publication number
- JPH02127744U JPH02127744U JP3645089U JP3645089U JPH02127744U JP H02127744 U JPH02127744 U JP H02127744U JP 3645089 U JP3645089 U JP 3645089U JP 3645089 U JP3645089 U JP 3645089U JP H02127744 U JPH02127744 U JP H02127744U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- turbocharger
- throttle valve
- low
- air supply
- 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
Landscapes
- Supercharger (AREA)
Description
第１図は本考案に係る２段ターボ過給エンジン
の第１の実施例を示す全体構成図、第２図は同じ
く第２の実施例を示す全体構成図、第３図は同じ
く第３の実施例を示す全体構成図である。
１……エンジン、２……排気通路、３……高圧
段タービン、５……低圧段タービン、９……給気
通路、１０……電子式制御装置、２１，２７，２
８……排気バイパス通路、２２……排気バイパス
弁、２３，２４，２５……アクチユエータ、２６
，７５，９５，９７……三方弁、７９，９８……
差圧検知器、９２……スロツトル弁、Ｈ……高圧
段ターボチヤージヤ、Ｌ……低圧段ターボチヤー
ジヤ。
FIG. 1 is an overall configuration diagram showing the first embodiment of a two-stage turbocharged engine according to the present invention, FIG. 2 is an overall configuration diagram showing the second embodiment, and FIG. 3 is an overall configuration diagram showing the second embodiment. FIG. 1 is an overall configuration diagram showing an example. DESCRIPTION OF SYMBOLS 1...Engine, 2...Exhaust passage, 3...High pressure stage turbine, 5...Low pressure stage turbine, 9...Air supply passage, 10...Electronic control device, 21, 27, 2
8... Exhaust bypass passage, 22... Exhaust bypass valve, 23, 24, 25... Actuator, 26
, 75, 95, 97... three-way valve, 79, 98...
Differential pressure detector, 92...Throttle valve, H...High pressure stage turbocharger, L...Low pressure stage turbocharger.
Claims (1)
、前記低圧段ターボチヤージヤにおいて加圧され
た空気をさらに加圧してスロツトル弁を介してエ
ンジンに送る高圧段ターボチヤージヤとを有する
２段ターボ過給エンジンにおいて、前記スロツト
ル弁の前後の給気の差圧が所定値以下になるよう
に、前記高圧段ターボチヤージヤの排気タービン
に対して設けた排気バイパス通路の排気バイパス
弁の開度を前記差圧に応じて調節するように構成
したことを特徴とする過給圧制御装置。 In a two-stage turbocharged engine having a low-pressure turbocharger that pressurizes intake air, and a high-pressure turbocharger that further pressurizes the air pressurized in the low-pressure turbocharger and sends it to the engine via a throttle valve, the throttle valve The opening degree of an exhaust bypass valve of an exhaust bypass passage provided for the exhaust turbine of the high-pressure stage turbocharger is adjusted in accordance with the differential pressure so that the differential pressure between the air supply before and after the air supply becomes equal to or less than a predetermined value. A supercharging pressure control device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3645089U JPH02127744U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3645089U JPH02127744U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02127744U true JPH02127744U (en) | 1990-10-22 |
Family
ID=31542687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3645089U Pending JPH02127744U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02127744U (en) |
-
1989
- 1989-03-31 JP JP3645089U patent/JPH02127744U/ja active Pending
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