JPS56106036A - Fuel intake device for automotive diesel engine - Google Patents
Fuel intake device for automotive diesel engineInfo
- Publication number
- JPS56106036A JPS56106036A JP901380A JP901380A JPS56106036A JP S56106036 A JPS56106036 A JP S56106036A JP 901380 A JP901380 A JP 901380A JP 901380 A JP901380 A JP 901380A JP S56106036 A JPS56106036 A JP S56106036A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- intake
- passage
- shutter
- pass
- 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
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE: To provide an intake system of the type having an intake shutter in its intake passage, which is capable of obtaining a proper amount of intake air under any operational condition of engine, by providing by-pass passages by-passing the intake shutter at a portion of the intake passage, and communicating the by-pass passages under particular operational condition of engine.
CONSTITUTION: When depression on the accelerator pedal is removed after engine starting operation is completed, an accelerator switch 24 is turned ON and a three- way solenoid valve 10 is energized. Resultantly, negative pressure in a vacuum tank 13 is transmitted to a vacuum chamber 8a of a power chamber 8, so that an intake shutter 4 is closed by a diaphragm 8b. During the above idling operation of engine when the engine temperature is low, intake air is supplied from a by-pass passage 20 via an on-off valve 19 which is opened only when the engine temperature is low, so that restriction by the intake shutter 4 is moderated. On the other hand, when the exhaust brake is actuated during engine operation after the engine is warmed up sufficiently, an exhaust-brake switch 25 is turned ON, so that a three-way valve 11 and a solenoid valve 17 are opened and a by-pass passage 16 is communicated.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP901380A JPS56106036A (en) | 1980-01-28 | 1980-01-28 | Fuel intake device for automotive diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP901380A JPS56106036A (en) | 1980-01-28 | 1980-01-28 | Fuel intake device for automotive diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56106036A true JPS56106036A (en) | 1981-08-24 |
Family
ID=11708760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP901380A Pending JPS56106036A (en) | 1980-01-28 | 1980-01-28 | Fuel intake device for automotive diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56106036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5881345U (en) * | 1981-11-30 | 1983-06-02 | いすゞ自動車株式会社 | Diesel engine intake negative pressure control device |
| JPS595845A (en) * | 1982-07-01 | 1984-01-12 | Toyota Motor Corp | Method of controlling restriction of intake air of diesel engine |
-
1980
- 1980-01-28 JP JP901380A patent/JPS56106036A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5881345U (en) * | 1981-11-30 | 1983-06-02 | いすゞ自動車株式会社 | Diesel engine intake negative pressure control device |
| JPS595845A (en) * | 1982-07-01 | 1984-01-12 | Toyota Motor Corp | Method of controlling restriction of intake air of diesel engine |
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