JPH01162056U - - Google Patents
Info
- Publication number
- JPH01162056U JPH01162056U JP5856788U JP5856788U JPH01162056U JP H01162056 U JPH01162056 U JP H01162056U JP 5856788 U JP5856788 U JP 5856788U JP 5856788 U JP5856788 U JP 5856788U JP H01162056 U JPH01162056 U JP H01162056U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection device
- detecting
- oxygen concentration
- detecting 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
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 11
- 239000007924 injection Substances 0.000 claims 11
- 239000000446 fuel Substances 0.000 claims 10
- 230000007547 defect Effects 0.000 claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示す全体構成図、第３図
及び第４図は同上実施例における制御フローチヤ
ート、第５図および第６図は従来例を示す全体構
成図である。
１……内燃機関、４……スロツトルチヤンバ、
６……インテークマニホールド、８……スロツト
ル弁、９……第２インジエクタ、１０……第１イ
ンジエクタ、１５……クランク角センサ、２０…
…コントロールユニツト、２１……酸素センサ、
２３……点火栓、２５……点火放電センサ。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is an overall configuration diagram showing one embodiment of the present invention, FIGS. 3 and 4 are control flowcharts in the same embodiment, and FIGS. 5 and 6 are overall configuration diagrams showing a conventional example. 1... Internal combustion engine, 4... Throttle chamber,
6... Intake manifold, 8... Throttle valve, 9... Second injector, 10... First injector, 15... Crank angle sensor, 20...
...Control unit, 21...Oxygen sensor,
23... Spark plug, 25... Ignition discharge sensor.
Claims (1)
置と、各気筒のポート部に接続する各インテーク
マニホールドの集合部に設けられた第２燃料噴射
装置と、排気系の残留酸素濃度を検出する残留酸
素濃度検出手段と、点火栓の放電を検出する放電
検出手段と、を設ける一方、 前記残留酸素濃度検出手段と放電検出手段とか
ら第１燃料噴射装置の燃料噴射不良を検出する不
良検出手段と、該不良検出手段により第１燃料噴
射装置の燃料噴射不良を検出した時に、第２燃料
噴射装置のみから燃料噴射を行うように切り換え
る燃料噴射切り換え手段と、を設けたことを特徴
とする内燃機関の燃料噴射制御装置。[Claims for Utility Model Registration] A first fuel injection device provided at the port portion of each cylinder, a second fuel injection device provided at the collective portion of each intake manifold connected to the port portion of each cylinder, and an exhaust gas injection device. A residual oxygen concentration detecting means for detecting the residual oxygen concentration of the system and a discharge detecting means for detecting the discharge of the spark plug are provided, and the fuel of the first fuel injection device is detected from the residual oxygen concentration detecting means and the discharge detecting means. A defect detection means for detecting an injection defect; and a fuel injection switching means for switching to perform fuel injection only from the second fuel injection device when the defect detection means detects a fuel injection defect in the first fuel injection device. A fuel injection control device for an internal combustion engine, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5856788U JPH01162056U (en) | 1988-05-02 | 1988-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5856788U JPH01162056U (en) | 1988-05-02 | 1988-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162056U true JPH01162056U (en) | 1989-11-10 |
Family
ID=31284372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5856788U Pending JPH01162056U (en) | 1988-05-02 | 1988-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162056U (en) |
-
1988
- 1988-05-02 JP JP5856788U patent/JPH01162056U/ja active Pending