JPS56141019A - Controlling device for supercharging pressure of turbocharger for internal combustion engine - Google Patents
Controlling device for supercharging pressure of turbocharger for internal combustion engineInfo
- Publication number
- JPS56141019A JPS56141019A JP4345380A JP4345380A JPS56141019A JP S56141019 A JPS56141019 A JP S56141019A JP 4345380 A JP4345380 A JP 4345380A JP 4345380 A JP4345380 A JP 4345380A JP S56141019 A JPS56141019 A JP S56141019A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- running
- low temperature
- engine
- waste gate
- 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
Abstract
PURPOSE: To prevent the whole amount of exhaust gas from being introduced in the turbocharger when an engine is running at low temperature by a method wherein a temperature sensing valve is provided to introduce a pressure signal into the working chamber of a waste gate valve to open the waste gate valve when an engine is running at low temperature.
CONSTITUTION: There is provided the temperature sensing valve 15 comprising a bimetal 59, a valve body 57 and the like to introduce a pressure signal into the working chamber of the waste gate valve 15 to open the waste gate valve 15 when the engine is running at low temperature. When the engine is running at low temperature, the bend of the bimetal 59 is small and the valve body 57 allows an inlet port 55 and an outlet port 53 to communicate with each other to open the temperature sensing valve 51. As a result, the atomosphere is introduced in a diaphragm chamber 25 and the valve 15 is opened by a spring 23. Consequently a bypass passage 17 is opened to bypass a part of exhaust gas as indicated by the arrow head E. As the whole amount of exhaust gas energy is not introduced into a turbine 9, the rotational frequency increase of the turbine 9 is suppressed and the turbine failure at low temperature running is avoided.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4345380A JPS56141019A (en) | 1980-04-04 | 1980-04-04 | Controlling device for supercharging pressure of turbocharger for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4345380A JPS56141019A (en) | 1980-04-04 | 1980-04-04 | Controlling device for supercharging pressure of turbocharger for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56141019A true JPS56141019A (en) | 1981-11-04 |
Family
ID=12664115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4345380A Pending JPS56141019A (en) | 1980-04-04 | 1980-04-04 | Controlling device for supercharging pressure of turbocharger for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56141019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119637U (en) * | 1984-07-09 | 1986-02-04 | マツダ株式会社 | Boost pressure control device for supercharged engines |
-
1980
- 1980-04-04 JP JP4345380A patent/JPS56141019A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119637U (en) * | 1984-07-09 | 1986-02-04 | マツダ株式会社 | Boost pressure control device for supercharged engines |
| JPH0324842Y2 (en) * | 1984-07-09 | 1991-05-30 |
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