JPS6112944U - Boost pressure control device for internal combustion engine with exhaust turbocharger - Google Patents
Boost pressure control device for internal combustion engine with exhaust turbochargerInfo
- Publication number
- JPS6112944U JPS6112944U JP9697684U JP9697684U JPS6112944U JP S6112944 U JPS6112944 U JP S6112944U JP 9697684 U JP9697684 U JP 9697684U JP 9697684 U JP9697684 U JP 9697684U JP S6112944 U JPS6112944 U JP S6112944U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pressure chamber
- exhaust
- control device
- bypass 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
Landscapes
- Supercharger (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す構成図、第２図は過給
圧制御装置の従来例を示す構成図、第３図は第２図の作
用を説明するための図である。
１２・・・・・・過給機、１３・・・・・・バイパス通
路、１４・・・・・・排気バイパス弁、１５・・・・・
・駆動装置、１６・・・・・・ダイアフラム、１７・・
・・・・第１圧力室、１８・・・・・・第２圧力室、２
０・・・・・・スプリング、２１・・・・・・第１圧力
通路、２２・・・・・・第２圧力通路、２４・・・・・
・電磁式三方弁、２６・・・・・・検出スイッチ。FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a block diagram showing a conventional example of a boost pressure control device, and FIG. 3 is a diagram for explaining the operation of FIG. 2. 12...Supercharger, 13...Bypass passage, 14...Exhaust bypass valve, 15...
・Drive device, 16...Diaphragm, 17...
....First pressure chamber, 18...Second pressure chamber, 2
0...Spring, 21...First pressure passage, 22...Second pressure passage, 24...
- Solenoid three-way valve, 26...detection switch.
Claims (1)
路を開・閉する排気バイパス弁と、ダイアフラムにより
画成された第１圧力室と第２圧力室とを有し前記排気バ
イパス弁を開閉駆動する駆動装置と、該駆動装置に設け
られ前記排気バイパス弁を閉弁方向に付勢するスプリン
グと、前記排気ターボ過給機のコンプレツサ下流の吸気
圧力を前記第１圧力室に導く第１圧力通路と、前記績２
圧力室に負圧発生装置の負圧を導く第２圧力通路と、機
関負荷に応じて燃料供給量を制御する燃料量制御装置の
負荷に対応する動作状態を検出する検出装置と、前記第
２圧力通路に介装されて前記検出装置の検出した動作状
態が所定負荷以下の状態のときに負圧発生装置と前記第
２圧力室とを連通して負圧を導入する、一方、前記所定
負荷を超えた負荷状態のときに第２圧力室を大気に開放
する電磁式三方弁と、を備えたことを特徴とする排気タ
ーボ過給機付内燃機関の過給圧制御装置。An exhaust bypass valve that opens and closes a bypass passage that bypasses a turbine of an exhaust turbo supercharger, and a drive that opens and closes the exhaust bypass valve, the exhaust bypass valve having a first pressure chamber and a second pressure chamber defined by a diaphragm. a spring provided in the drive device that biases the exhaust bypass valve in a closing direction; a first pressure passage that guides intake pressure downstream of the compressor of the exhaust turbo supercharger to the first pressure chamber; Above results 2
a second pressure passage that guides the negative pressure of the negative pressure generating device into the pressure chamber; a detection device that detects an operating state corresponding to the load of the fuel amount control device that controls the fuel supply amount according to the engine load; A negative pressure generating device and the second pressure chamber are connected to each other to introduce negative pressure when the operating state detected by the detection device is below a predetermined load by being interposed in the pressure passage, while the predetermined load 1. A supercharging pressure control device for an internal combustion engine with an exhaust turbo supercharger, comprising: an electromagnetic three-way valve that opens a second pressure chamber to the atmosphere when the load exceeds 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9697684U JPS6112944U (en) | 1984-06-29 | 1984-06-29 | Boost pressure control device for internal combustion engine with exhaust turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9697684U JPS6112944U (en) | 1984-06-29 | 1984-06-29 | Boost pressure control device for internal combustion engine with exhaust turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6112944U true JPS6112944U (en) | 1986-01-25 |
Family
ID=30656502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9697684U Pending JPS6112944U (en) | 1984-06-29 | 1984-06-29 | Boost pressure control device for internal combustion engine with exhaust turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6112944U (en) |
-
1984
- 1984-06-29 JP JP9697684U patent/JPS6112944U/en active Pending
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