JPS63141837U - - Google Patents
Info
- Publication number
- JPS63141837U JPS63141837U JP3450387U JP3450387U JPS63141837U JP S63141837 U JPS63141837 U JP S63141837U JP 3450387 U JP3450387 U JP 3450387U JP 3450387 U JP3450387 U JP 3450387U JP S63141837 U JPS63141837 U JP S63141837U
- Authority
- JP
- Japan
- Prior art keywords
- set value
- waste gate
- gate valves
- actuator
- 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
- 239000002699 waste material Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案の実施例の模式的断面図、第２
図は実開昭６１―１６０２３６号で提案した過給
圧制御装置を再現したものである。
１００……エンジン本体、１０２……吸気管、
１０４……スロツトル弁、１０６……排気管、１
０８……排気ターボ過給機、１１０……排気ター
ビン、１１２……コンプレツサ、１２０……過給
圧制御装置、１２２……バイパス、１２８……第
１ウエイストゲートバルブ、１３０……第２ウエ
イストゲートバルブ、１３２……第１アクチユエ
ータ、１３４……第２アクチユエータ、１５０…
…第１信号ポート、１５６……第２信号ポート。
Fig. 1 is a schematic sectional view of an embodiment of the present invention;
The figure is a reproduction of the boost pressure control device proposed in Utility Model Application Publication No. 160236/1983. 100...Engine body, 102...Intake pipe,
104... Throttle valve, 106... Exhaust pipe, 1
08... Exhaust turbo supercharger, 110... Exhaust turbine, 112... Compressor, 120... Boost pressure control device, 122... Bypass, 128... First waste gate valve, 130... Second waste gate Valve, 132...first actuator, 134...second actuator, 150...
...first signal port, 156...second signal port.
Claims (1)
るバイパス通路と、前記バイパス通路を開閉する
第１および第２のウエイストゲートバルブと、前
記第１および第２ウエイストゲートバルブを夫々
制御する第１および第２の圧力応答式アクチユエ
ータを備え、第１アクチユエータは排気ターボ過
給機のコンプレツサの下流でスロツトル弁より上
流の吸気管圧力が第１設定値を超えるとき第１ウ
エイストゲートバルブを開弁させ、第２アクチユ
エータはスロツトル弁下流の吸気管圧力が前記第
１設定値より小さな第２設定値を超えるとき第２
ウエイストゲートバルブを開弁させることを特徴
とする過給圧制御装置。 a bypass passage that bypasses an exhaust turbine of an exhaust turbo supercharger, first and second waste gate valves that open and close the bypass passage, and first and second waste gate valves that respectively control the first and second waste gate valves. a pressure-responsive actuator, the first actuator opens the first wastegate valve when the intake pipe pressure downstream of the compressor of the exhaust turbocharger and upstream of the throttle valve exceeds a first set value; When the intake pipe pressure downstream of the throttle valve exceeds a second set value, which is smaller than the first set value, the actuator operates a second set value.
A supercharging pressure control device characterized by opening a waste gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3450387U JPS63141837U (en) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3450387U JPS63141837U (en) | 1987-03-11 | 1987-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63141837U true JPS63141837U (en) | 1988-09-19 |
Family
ID=30843117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3450387U Pending JPS63141837U (en) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63141837U (en) |
-
1987
- 1987-03-11 JP JP3450387U patent/JPS63141837U/ja active Pending