JPS62117218U - - Google Patents
Info
- Publication number
- JPS62117218U JPS62117218U JP478586U JP478586U JPS62117218U JP S62117218 U JPS62117218 U JP S62117218U JP 478586 U JP478586 U JP 478586U JP 478586 U JP478586 U JP 478586U JP S62117218 U JPS62117218 U JP S62117218U
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- oxygen concentration
- concentration detector
- combustion engine
- internal combustion
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 2
- 238000011144 upstream manufacturing Methods 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
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案に係る内燃機関の２次空気制御
装置の一実施例を示す概略構成図、第２図は第１
図の制御回路を示すブロツク図、第３図は本実施
例による燃料噴射パルス幅を算出する処理ルーチ
ンを示す工程図である。
１……内燃機関本体、４……排気通路、１０…
…制御回路、１４……バイパス、１５……酸素セ
ンサ、１６……２次空気注入管、１８……ＡＳＶ
。
FIG. 1 is a schematic configuration diagram showing one embodiment of a secondary air control device for an internal combustion engine according to the present invention, and FIG.
FIG. 3 is a block diagram showing the control circuit shown in FIG. 3, and FIG. 3 is a process diagram showing a processing routine for calculating the fuel injection pulse width according to this embodiment. 1... Internal combustion engine main body, 4... Exhaust passage, 10...
...Control circuit, 14...Bypass, 15...Oxygen sensor, 16...Secondary air injection pipe, 18...ASV
.
Claims (1)
パスに酸素濃度検出器を設けて、この酸素濃度検
出器からの信号により排気ガスを浄化する２次空
気の注入を制御する内燃機関の２次空気制御装置
において、前記バイパスの排気ガス取入口の下流
側の前記排気通路に開口する２次空気注入管を設
け、この２次空気注入管の上流側に前記酸素濃度
検出器からの信号により制御回路を介して開閉す
るバルブを設けたことを特徴とする内燃機関の２
次空気制御装置。 An oxygen concentration detector is provided in the bypass provided in the exhaust passage of the exhaust system of the internal combustion engine, and a signal from the oxygen concentration detector controls the injection of secondary air to purify the exhaust gas. In the control device, a secondary air injection pipe is provided that opens into the exhaust passage on the downstream side of the exhaust gas intake port of the bypass, and a control circuit is provided on the upstream side of the secondary air injection pipe based on the signal from the oxygen concentration detector. 2 of an internal combustion engine characterized by being provided with a valve that opens and closes via the
Next air control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP478586U JPS62117218U (en) | 1986-01-17 | 1986-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP478586U JPS62117218U (en) | 1986-01-17 | 1986-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117218U true JPS62117218U (en) | 1987-07-25 |
Family
ID=30785768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP478586U Pending JPS62117218U (en) | 1986-01-17 | 1986-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117218U (en) |
-
1986
- 1986-01-17 JP JP478586U patent/JPS62117218U/ja active Pending
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