JPS5870448U - Exhaust gas recirculation device - Google Patents
Exhaust gas recirculation deviceInfo
- Publication number
- JPS5870448U JPS5870448U JP16518781U JP16518781U JPS5870448U JP S5870448 U JPS5870448 U JP S5870448U JP 16518781 U JP16518781 U JP 16518781U JP 16518781 U JP16518781 U JP 16518781U JP S5870448 U JPS5870448 U JP S5870448U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- negative pressure
- valve
- intake
- 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、従来の背圧制御方式及び負荷制御方式のＥＧ
Ｒ装置の一例を示す管路図、第２図は、前記背圧制御方
式のＥＧＲ装置及び負荷制御方式のＥＧＲ装置における
動作状態の相違を示す線図、第３図は、本考案に係るＥ
ＧＲ装置の実施例の構成を示す管路図である。
１２・・・・・・スロットル弁、１６． １８−−−−
−−ＥＧＲ通路、２０・・・・・・ＥＧＲ弁、２２・・
・・・・調圧弁、６６・・・・・・第１のセンシングポ
ート、７４・・・・・・第２のセンシングポート、８０
・・・・・・三方弁、８４・・・・・・二方弁。Figure 1 shows the EG of the conventional back pressure control method and load control method.
FIG. 2 is a pipeline diagram showing an example of the R device; FIG. 2 is a line diagram showing the difference in operating states between the back pressure control type EGR device and the load control type EGR device; FIG.
FIG. 2 is a duct diagram showing the configuration of an embodiment of the GR device. 12... Throttle valve, 16. 18---
--EGR passage, 20... EGR valve, 22...
...Pressure regulating valve, 66...First sensing port, 74...Second sensing port, 80
...3-way valve, 84...2-way valve.
Claims (2)
のセンシングポートで検知される吸気負圧に応じて、排
気側から吸気側に環流される排気ガスの量を増減する排
気ガス再循環量制御弁と、・ 排気ガス圧力及び吸気
通路の前記第１のセンシングポートより更に上流側に形
成された第２のセンシングポートで検知される吸気負圧
に応じて、前記排気ガス再循環量制御弁を制御する調圧
弁とを有する排気ガス再循環装置において、前記第２の
センシングポートで検知される吸気負圧を前記調圧弁に
伝える負圧通路の途中に三方弁を設け、この三方弁の第
３の弁口を、前記第１のセンシングポートで検知される
吸気負圧を前記調圧弁に伝える負圧通路に連通ずるとと
もに、前記排気ガス再環循量制御弁に、大気圧を伝える
ことができる手段を配設したことを特徴とする排気ガス
再循環装置。(1) The first valve formed on the upstream side of the throttle valve in the intake passage
an exhaust gas recirculation amount control valve that increases or decreases the amount of exhaust gas recirculated from the exhaust side to the intake side according to the intake negative pressure detected by the sensing port of the exhaust gas pressure and the first intake passage; An exhaust gas recirculation device comprising: a pressure regulating valve that controls the exhaust gas recirculation amount control valve in accordance with an intake negative pressure detected by a second sensing port formed further upstream than the sensing port; A three-way valve is provided in the middle of a negative pressure passage that transmits the intake negative pressure detected by the second sensing port to the pressure regulating valve, and a third valve opening of the three-way valve is connected to the negative pressure detected by the first sensing port. Exhaust gas recirculation, characterized in that the exhaust gas recirculation is connected to a negative pressure passage for transmitting the intake negative pressure to the pressure regulating valve, and is provided with a means capable of transmitting atmospheric pressure to the exhaust gas recirculation amount control valve. Device.
、前記第１のセンシングポートで検知される吸気負圧を
前記排気ガス再循環量制御弁に伝−える負圧通路の該排
気ガス再循環量制御弁と前記調圧弁との間に接続され、
他端が大気に開放されるとともに、途中に二方弁が設け
られた管路であることを特徴とする実用新案登録請求の
一範囲第１項記載の排気ガス再循環装置。(2) The means capable of transmitting the atmospheric pressure includes a negative pressure passage having one end that transmits the intake negative pressure detected by the first sensing port to the exhaust gas recirculation amount control valve. connected between a recirculation amount control valve and the pressure regulating valve,
1. The exhaust gas recirculation device according to claim 1, which is a conduit whose other end is open to the atmosphere and is provided with a two-way valve in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16518781U JPS5870448U (en) | 1981-11-05 | 1981-11-05 | Exhaust gas recirculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16518781U JPS5870448U (en) | 1981-11-05 | 1981-11-05 | Exhaust gas recirculation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5870448U true JPS5870448U (en) | 1983-05-13 |
Family
ID=29957394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16518781U Pending JPS5870448U (en) | 1981-11-05 | 1981-11-05 | Exhaust gas recirculation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5870448U (en) |
-
1981
- 1981-11-05 JP JP16518781U patent/JPS5870448U/en active Pending
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