JPS5879243U - Internal combustion engine exhaust recirculation rate measuring device - Google Patents
Internal combustion engine exhaust recirculation rate measuring deviceInfo
- Publication number
- JPS5879243U JPS5879243U JP17515881U JP17515881U JPS5879243U JP S5879243 U JPS5879243 U JP S5879243U JP 17515881 U JP17515881 U JP 17515881U JP 17515881 U JP17515881 U JP 17515881U JP S5879243 U JPS5879243 U JP S5879243U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- measuring device
- rate measuring
- recirculation rate
- 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
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Of Engines (AREA)
- 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図は従来装置の構成断面図、第２図のＡ。
Ｂは従来装置の運転条件によるＥＧＲ率の測定誤差を示
すグラフ、第３図のＡ、 Ｂは従来装置のセンサ取り付
は位置によるＥＧＲ率の測定誤差を示すグラフとその位
置図、第４図、第５図は本考案の実施例を示す構成図と
要部構成断面図、第６図は温度センサの結線図、第７図
は本考案の他の実施例を示す要部断面図である。
２・・・吸気管、３・・・ＥＧＲ通路、４・・・吸気絞
弁、１１・・・吸気管コレクタ、１２・・・吸気温度セ
ンサ、１３・・−ＥＧＲガス温度センサ、１４・・・混
合気温度センサ、２０・・・合流部、２１・・・混合促
進装置、２３・・・第１の混合室、２４・・・還状壁、
２５・・・第２の混合室、２８・・・ノズル、３２・・
・還状壁、３３・・・第３の混合室。FIG. 1 is a cross-sectional view of the configuration of a conventional device, and A in FIG. 2. B is a graph showing the measurement error of the EGR rate depending on the operating conditions of the conventional device, A in Fig. 3, B is a graph showing the measurement error of the EGR rate depending on the sensor installation position of the conventional device and its position diagram, Fig. 4 , Fig. 5 is a configuration diagram and a cross-sectional view of the main part configuration showing an embodiment of the present invention, Fig. 6 is a wiring diagram of a temperature sensor, and Fig. 7 is a main part cross-sectional view showing another embodiment of the present invention. . 2... Intake pipe, 3... EGR passage, 4... Intake throttle valve, 11... Intake pipe collector, 12... Intake air temperature sensor, 13...-EGR gas temperature sensor, 14... -Mixture temperature sensor, 20...merging section, 21...mixing promotion device, 23...first mixing chamber, 24...circular wall,
25... Second mixing chamber, 28... Nozzle, 32...
- Circular wall, 33...Third mixing chamber.
Claims (1)
管に還流されるＥＧＲガスの温度を検出するセンサと、
この吸気とＥＧＲガスの混合気温度を検出する混合気温
度センサを備え、これら各センサの検出温度に基づいて
ＥＧＲ率を測定する内燃機関の排気還流率測定装置にお
いて、吸気とＥＧＲガスの混合を促進する装置を設け、
該装置の下流側に混合気温度センサを設置したことを特
徴とする内燃機関の排気還流率測定装置。 −□a sensor that detects the intake air temperature in the intake system; a sensor that detects the temperature of EGR gas that is recirculated from the exhaust pipe to the intake pipe;
In an exhaust gas recirculation rate measuring device for an internal combustion engine that is equipped with a mixture temperature sensor that detects the mixture temperature of this intake air and EGR gas and measures the EGR rate based on the detected temperature of each sensor, the mixture of intake air and EGR gas is measured. Provide a device to promote
An exhaust gas recirculation rate measuring device for an internal combustion engine, characterized in that a mixture temperature sensor is installed on the downstream side of the device. −□
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17515881U JPS5879243U (en) | 1981-11-25 | 1981-11-25 | Internal combustion engine exhaust recirculation rate measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17515881U JPS5879243U (en) | 1981-11-25 | 1981-11-25 | Internal combustion engine exhaust recirculation rate measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5879243U true JPS5879243U (en) | 1983-05-28 |
Family
ID=29967420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17515881U Pending JPS5879243U (en) | 1981-11-25 | 1981-11-25 | Internal combustion engine exhaust recirculation rate measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5879243U (en) |
-
1981
- 1981-11-25 JP JP17515881U patent/JPS5879243U/en active Pending
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