JPS6293139U - - Google Patents
Info
- Publication number
- JPS6293139U JPS6293139U JP18558485U JP18558485U JPS6293139U JP S6293139 U JPS6293139 U JP S6293139U JP 18558485 U JP18558485 U JP 18558485U JP 18558485 U JP18558485 U JP 18558485U JP S6293139 U JPS6293139 U JP S6293139U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- intake air
- air amount
- engine
- amount
- 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
- 239000000446 fuel Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims 1
- 238000013021 overheating Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成をあらわすブロツク図、
第２図は本考案を適用する内燃機関の実施例をあ
らわす概略構成図、第３図は本考案の実施例にお
ける制御装置をあらわすブロツク図、第４図及び
第５図は本考案の実施例における燃料増量、遅延
時間のそれぞれをあらわすグラフ、第６図及び第
７図は本考案の実施例を示すフローチヤート、第
８図は本考案の実施例における遅延制御領域をあ
らわす説明図である。
１……吸気通路、２……エアフロメータ、４…
…スロツトルバルブ、７……燃料噴射弁、１１…
…燃焼室、１２……点火プラグ、１３……シリン
ダヘツド、１４……シリンダブロツク、２１……
酸素センサ、２７……デイストリビユータ、３１
……制御装置、３２……イグナイタ、３５……ラ
ンダムアクセスメモリ（ＲＡＭ）、３６……リー
ドオンリメモリ（ＲＯＭ）、３７……中央処理ユ
ニツト（ＣＰＵ）。
Figure 1 is a block diagram showing the configuration of the present invention.
Fig. 2 is a schematic configuration diagram showing an embodiment of an internal combustion engine to which the present invention is applied, Fig. 3 is a block diagram showing a control device in an embodiment of the present invention, and Figs. 4 and 5 are embodiments of the present invention. FIG. 6 and FIG. 7 are flowcharts showing an embodiment of the present invention, and FIG. 8 is an explanatory diagram showing a delay control area in an embodiment of the present invention. 1... Intake passage, 2... Air flow meter, 4...
...Throttle valve, 7...Fuel injection valve, 11...
...Combustion chamber, 12...Spark plug, 13...Cylinder head, 14...Cylinder block, 21...
Oxygen sensor, 27...Distributor, 31
...Control device, 32...Igniter, 35...Random access memory (RAM), 36...Read only memory (ROM), 37...Central processing unit (CPU).
Claims (1)
を判定する手段と、吸入空気量に応じて機関に燃
料を供給する燃料供給手段と、吸入空気量に基づ
いて機関に供給する燃料を増量する触媒過熱防止
のための燃料増量手段と、空気密度が所定値以下
かつ吸入空気量が所定値以上であるとき前記燃料
増量手段の作動を所定時間遅延する燃料増量遅延
手段と、空気密度の低下に従い該遅延時間を次第
に延長する遅延時間延長手段とを備えていること
を特徴とする内燃機関の空燃比制御装置。 Means for detecting the intake air amount of the engine, means for determining air density, fuel supply means for supplying fuel to the engine according to the intake air amount, and increasing amount of fuel supplied to the engine based on the intake air amount. a fuel increase means for preventing catalyst overheating; a fuel increase delay means for delaying the operation of the fuel increase means for a predetermined time when the air density is below a predetermined value and the intake air amount is above a predetermined value; An air-fuel ratio control device for an internal combustion engine, comprising: delay time extension means for gradually extending the delay time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18558485U JPS6293139U (en) | 1985-12-03 | 1985-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18558485U JPS6293139U (en) | 1985-12-03 | 1985-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6293139U true JPS6293139U (en) | 1987-06-13 |
Family
ID=31134350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18558485U Pending JPS6293139U (en) | 1985-12-03 | 1985-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6293139U (en) |
-
1985
- 1985-12-03 JP JP18558485U patent/JPS6293139U/ja active Pending
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