JPS58195052U - Diesel engine exhaust gas recirculation control device - Google Patents
Diesel engine exhaust gas recirculation control deviceInfo
- Publication number
- JPS58195052U JPS58195052U JP9303182U JP9303182U JPS58195052U JP S58195052 U JPS58195052 U JP S58195052U JP 9303182 U JP9303182 U JP 9303182U JP 9303182 U JP9303182 U JP 9303182U JP S58195052 U JPS58195052 U JP S58195052U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- diesel engine
- detection device
- exhaust gas
- control 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
- Exhaust-Gas Circulating Devices (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図はディーゼルエンジンのＥＧＲ制御装置の概要説
明図、第２図は負圧制御弁ＶＲＶの断面図、第３図は負
圧制御弁の作動説明図、第４図は本考案に係るディーゼ
ルエンジンの制御装置でａ図はエンジン回転数によるデ
ユーティ率め変化状況図、ｂ図は負圧制御弁ＶＲＶ基本
特性の一例、０図は前記基本ＶＲＶ特性をａ図に従って
デユーティ制御したときの変換状況図である。
１・・・・・・ディーゼルエンジン、４・・・・・・Ｅ
ＧＲ通路、５・・・・・・ＥＧＲ制御弁、６・・・・・
・負圧応動装置、９・・・・・・負圧源、１０・・・・
・・負圧通路、１４・・・・・・負圧制御弁ＶＲＶ、
２ Ｆ３・・・・・・デユーティソレノイド弁、２９・
・・・・・エンジンスピードセンサ。
補正 昭５７． ９−１７
実用新案登録請求の範囲を次のように補正する。
Ｏ実用新案登録請求の範囲 −Fig. 1 is a schematic explanatory diagram of the EGR control device of a diesel engine, Fig. 2 is a sectional view of the negative pressure control valve VRV, Fig. 3 is an explanatory diagram of the operation of the negative pressure control valve, and Fig. 4 is a diesel engine according to the present invention. In the engine control system, diagram a shows how the duty rate changes depending on the engine speed, diagram b shows an example of the negative pressure control valve VRV basic characteristics, and diagram 0 shows the conversion situation when the basic VRV characteristics are duty-controlled according to diagram a. It is a diagram. 1...Diesel engine, 4...E
GR passage, 5... EGR control valve, 6...
・Negative pressure response device, 9... Negative pressure source, 10...
...Negative pressure passage, 14...Negative pressure control valve VRV,
2 F3...Duty solenoid valve, 29.
...Engine speed sensor. Correction 1984. 9-17 The scope of claims for utility model registration is amended as follows. O Scope of claim for utility model registration −
Claims (1)
制御弁と、同制御弁を開閉作動する負圧応動装置と、同
負荷応動装置と負圧源とを連通ずる負圧通路と、ディー
ゼルエンジンの負荷を検出する負荷検出装置と、同負荷
検出装置の信号により作動されるとともに上記負圧通路
に介装された負圧制御弁と、ディーゼルエンジンの回転
速度を検出する回転速度検出装置と負圧通路に設けられ
て負圧の一部を大気開放するとともに回転速度検出装置
によりデユーティ率が変化するデユーティソレノイド弁
とを備えたことを特徴とするディーゼルエンジンの排気
ガス再循環制御装置。EGR installed in the exhaust recirculation passage of a diesel engine
A control valve, a negative pressure response device that opens and closes the control valve, a negative pressure passage that communicates the load response device with a negative pressure source, a load detection device that detects the load of the diesel engine, and the load detection device. A negative pressure control valve is operated by a signal from the negative pressure passage and is installed in the negative pressure passage, a rotation speed detection device that detects the rotation speed of the diesel engine, and a rotation speed detection device installed in the negative pressure passage to release a part of the negative pressure to the atmosphere. 1. An exhaust gas recirculation control device for a diesel engine, comprising: a duty solenoid valve whose duty rate is changed by a rotational speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9303182U JPS58195052U (en) | 1982-06-23 | 1982-06-23 | Diesel engine exhaust gas recirculation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9303182U JPS58195052U (en) | 1982-06-23 | 1982-06-23 | Diesel engine exhaust gas recirculation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58195052U true JPS58195052U (en) | 1983-12-24 |
Family
ID=30223585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9303182U Pending JPS58195052U (en) | 1982-06-23 | 1982-06-23 | Diesel engine exhaust gas recirculation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58195052U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281427A (en) * | 1975-12-29 | 1977-07-07 | Nissan Motor Co Ltd | Exhaust return controller |
| JPS5726253A (en) * | 1980-07-25 | 1982-02-12 | Toyota Motor Corp | Exhaust gas recycling controller of diesel engine |
-
1982
- 1982-06-23 JP JP9303182U patent/JPS58195052U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281427A (en) * | 1975-12-29 | 1977-07-07 | Nissan Motor Co Ltd | Exhaust return controller |
| JPS5726253A (en) * | 1980-07-25 | 1982-02-12 | Toyota Motor Corp | Exhaust gas recycling controller of diesel engine |
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