JPS6271363U - - Google Patents
Info
- Publication number
- JPS6271363U JPS6271363U JP16328885U JP16328885U JPS6271363U JP S6271363 U JPS6271363 U JP S6271363U JP 16328885 U JP16328885 U JP 16328885U JP 16328885 U JP16328885 U JP 16328885U JP S6271363 U JPS6271363 U JP S6271363U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- port
- detection means
- operation range
- 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
- 238000003745 diagnosis Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction 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
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
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、４
１……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、５５……デイスト
リビユータ、５６……回転数センサ、５７……水
温センサ、５８……負圧スイツチ、５９……感温
スイツチ、６０……インジケータランプ、６１…
…導管、６２……吸気管負圧取出ポート。
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 FIG. 2 is a flowchart showing the operation of the diagnosis device according to the present invention. 1... Internal combustion engine, 2... Carburetor, 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, 4
DESCRIPTION OF SYMBOLS 1... Conduit, 42... Orifice, 43... Pressure chamber, 50... Microcomputer, 51... Central processing unit, 52... Memory, 53... Input port, 54... Output port, 55... Disc Triviewer, 56... Rotation speed sensor, 57... Water temperature sensor, 58... Negative pressure switch, 59... Temperature sensitive switch, 60... Indicator lamp, 61...
...Conduit, 62...Intake pipe negative pressure extraction port.
Claims (1)
出する排気ガス再循環運転域検出手段と、排気ガ
ス再循環通路に於ける排気ガスの流れの有無を検
出する排気ガス検出手段と、前記排気ガス再循環
運転域検出手段により排気ガス再循環を行う運転
域であると検出された状態下にて前記排気ガス検
出手段により排気ガスの流れが検出されていない
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。 Exhaust gas recirculation operation range detection means for detecting whether or not the operation range is in which exhaust gas recirculation is performed; Exhaust gas detection means for detecting the presence or absence of exhaust gas flow in the exhaust gas recirculation passage; When the flow of exhaust gas is not detected by the exhaust gas detection means in a state where the exhaust gas recirculation operation range detection means detects that the exhaust gas recirculation is in the operation range, the exhaust gas recirculation device is malfunctioning. A diagnosis device for an exhaust gas recirculation device, comprising determining means for determining that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16328885U JPS6271363U (en) | 1985-10-24 | 1985-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16328885U JPS6271363U (en) | 1985-10-24 | 1985-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6271363U true JPS6271363U (en) | 1987-05-07 |
Family
ID=31091347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16328885U Pending JPS6271363U (en) | 1985-10-24 | 1985-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6271363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6390056U (en) * | 1986-12-03 | 1988-06-11 |
-
1985
- 1985-10-24 JP JP16328885U patent/JPS6271363U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6390056U (en) * | 1986-12-03 | 1988-06-11 |
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