JPS56101031A - Intake system for automotive diesel engine - Google Patents
Intake system for automotive diesel engineInfo
- Publication number
- JPS56101031A JPS56101031A JP223780A JP223780A JPS56101031A JP S56101031 A JPS56101031 A JP S56101031A JP 223780 A JP223780 A JP 223780A JP 223780 A JP223780 A JP 223780A JP S56101031 A JPS56101031 A JP S56101031A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- intake
- solenoid valve
- opened
- time
- 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.)
- Granted
Links
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE: To reduce the intake noise produced at the time of decelerating an engine and to enable to actuate the exhaust brake effectively, by providing a means for decreasing the restriction of an intake shutter at the time of decelerating the engine in an intake system having an intake shutter in its intake passage.
CONSTITUTION: At the time of idling operation of an engine when the engine is warmed up sufficiently, a solenoid valve 17 and an on-off valve 19 are closed and an accelerator switch 24 is kept ON. Therefore, a three-way solenoid valve 10 is opened, so that a negative pressure or partial vacuum is transmitted from a vacuum tank 13 into a vacuum chamber 8a of a power chamber 8. Resultantly, an intake shutter 4 is turned to its closed position by a diaphragm 8b and a linkage 6. On the other hand, when the exhaust brake is actuated during operation of the engine, a three-way solenoid valve 11 is opened since a clutch switch 26 and a neutral switch 27 are both kept ON, so that an exhaust-brake valve 5 is closed by a power chamber 9. Simultaneously therewith, athe solenoid valve 17 is also opened, so that restriction to the air flow by the intake shutter 4 can be decreased.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP223780A JPS56101031A (en) | 1980-01-11 | 1980-01-11 | Intake system for automotive diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP223780A JPS56101031A (en) | 1980-01-11 | 1980-01-11 | Intake system for automotive diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56101031A true JPS56101031A (en) | 1981-08-13 |
| JPS6256332B2 JPS6256332B2 (en) | 1987-11-25 |
Family
ID=11523739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP223780A Granted JPS56101031A (en) | 1980-01-11 | 1980-01-11 | Intake system for automotive diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56101031A (en) |
Cited By (5)
| 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 |
| US4787044A (en) * | 1984-07-17 | 1988-11-22 | Nippondenso Co., Ltd. | Apparatus and method for controlling rotational speed of internal combustion engine for vehicles |
| EP1059431A2 (en) | 1999-06-10 | 2000-12-13 | Nissan Motor Co., Ltd. | Diesel engine |
| KR100528191B1 (en) * | 2002-05-30 | 2005-11-15 | 현대자동차주식회사 | Intake noise reduction device and control method thereof |
-
1980
- 1980-01-11 JP JP223780A patent/JPS56101031A/en active Granted
Cited By (6)
| 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 |
| US4787044A (en) * | 1984-07-17 | 1988-11-22 | Nippondenso Co., Ltd. | Apparatus and method for controlling rotational speed of internal combustion engine for vehicles |
| EP1059431A2 (en) | 1999-06-10 | 2000-12-13 | Nissan Motor Co., Ltd. | Diesel engine |
| US6332447B1 (en) | 1999-06-10 | 2001-12-25 | Nissan Motor Co., Ltd. | Diesel engine |
| KR100528191B1 (en) * | 2002-05-30 | 2005-11-15 | 현대자동차주식회사 | Intake noise reduction device and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6256332B2 (en) | 1987-11-25 |
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