JPS62128155U - - Google Patents
Info
- Publication number
- JPS62128155U JPS62128155U JP1499086U JP1499086U JPS62128155U JP S62128155 U JPS62128155 U JP S62128155U JP 1499086 U JP1499086 U JP 1499086U JP 1499086 U JP1499086 U JP 1499086U JP S62128155 U JPS62128155 U JP S62128155U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- temperature
- gas recirculation
- traveled
- detection means
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
第１図は本考案によるダイアグノーシス装置を
組み込まれた排気ガス再循環装置の一つの実施例
を示す概略構成図、第２図及び第３図は本考案に
よるダイアグノーシス装置装置の作動を示すフロ
ーチヤートである。
１…内燃機関、２…気化器、３…吸気マニホー
ルド、４…スロツトルバルブ、５…燃焼室、６…
排気ポート、７…排気ガス取入ポート、８…排気
ガス注入ポート、９，１０…導管、２０…排気ガ
ス再循環制御弁、２１…入口ポート、２２…出口
ポート、２３…弁ポート、２４…弁要素、２５…
ダイヤフラム装置、２６…ダイヤフラム、２７…
ダイヤフラム室、２８…圧縮コイルばね、２９…
導管、３０…負圧制御弁、３１…導管、３２…感
温弁、３３…導管、３４…吸気管負圧取出ポート
、３５…弁ポート、３６…弁要素、３７…ダイヤ
フラム、３８…大気開放室、３９…ダイヤフラム
室、４０…圧縮コイルばね、４１…導管、４２…
オリフイス、４３…圧力室、５０…マイクロコン
ピユータ、５１…中央処理ユニツト、５２…メモ
リ、５３…入力ポート、５４…出力ポート、５７
…水温センサ、５８…オドメータ、５９…感温ス
イツチ、６０…インジケータランプ。
FIG. 1 is a schematic configuration diagram showing one embodiment of an exhaust gas recirculation device incorporating a diagnosis device according to the present invention, and FIGS. 2 and 3 are flowcharts showing the operation of the diagnosis device according to the present invention. It's a chat. DESCRIPTION OF SYMBOLS 1... Internal combustion engine, 2... Carburizer, 3... Intake manifold, 4... Throttle valve, 5... Combustion chamber, 6...
Exhaust port, 7... Exhaust gas intake port, 8... Exhaust gas injection port, 9, 10... Conduit, 20... Exhaust gas recirculation control valve, 21... Inlet port, 22... Outlet port, 23... Valve port, 24... Valve element, 25...
Diaphragm device, 26...Diaphragm, 27...
Diaphragm chamber, 28... Compression coil spring, 29...
Conduit, 30... Negative pressure control valve, 31... Conduit, 32... Temperature sensitive valve, 33... Conduit, 34... Intake pipe negative pressure take-out port, 35... Valve port, 36... Valve element, 37... Diaphragm, 38... Atmospheric release chamber, 39... diaphragm chamber, 40... compression coil spring, 41... conduit, 42...
Orifice, 43...Pressure chamber, 50...Microcomputer, 51...Central processing unit, 52...Memory, 53...Input port, 54...Output port, 57
...Water temperature sensor, 58...Odometer, 59...Temperature-sensitive switch, 60...Indicator lamp.
Claims (1)
かを検出する走行距離検出手段と、排気ガス再循
環通路の温度を検出する温度検出手段と、前記走
行距離検出手段により内燃機関の始動後に所定距
離以上走行したことが検出されるまでの間に前記
温度検出手段が所定値以上の温度を一度も検出し
ていない時には排気ガス再循環装置が故障である
と判定する判定手段とを有している排気ガス再循
環装置のダイアグノーシス装置。 a mileage detection means for detecting whether the internal combustion engine has traveled a predetermined distance or more after starting; a temperature detection means for detecting the temperature of the exhaust gas recirculation passage; and a mileage detection means for detecting whether the internal combustion engine has traveled a predetermined distance after starting and determining means for determining that the exhaust gas recirculation device is malfunctioning when the temperature detecting means has not detected a temperature equal to or higher than a predetermined value at least once until it is detected that the vehicle has been traveled for more than a specified period of time. Diagnosis device for exhaust gas recirculation equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1499086U JPS62128155U (en) | 1986-02-04 | 1986-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1499086U JPS62128155U (en) | 1986-02-04 | 1986-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62128155U true JPS62128155U (en) | 1987-08-13 |
Family
ID=30805501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1499086U Pending JPS62128155U (en) | 1986-02-04 | 1986-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62128155U (en) |
-
1986
- 1986-02-04 JP JP1499086U patent/JPS62128155U/ja active Pending