JPS63200648U - - Google Patents
Info
- Publication number
- JPS63200648U JPS63200648U JP9082887U JP9082887U JPS63200648U JP S63200648 U JPS63200648 U JP S63200648U JP 9082887 U JP9082887 U JP 9082887U JP 9082887 U JP9082887 U JP 9082887U JP S63200648 U JPS63200648 U JP S63200648U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection amount
- basic fuel
- intake air
- throttle valve
- 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 11
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の構成を説明するためのブロツ
ク図、第２図は本考案の一実施例を示す構成図、
第３図は同上実施例の制御フローチヤート、第４
図は基準基本燃料噴射量のマツプを示す図、第５
図は同上実施例の作用を説明するための図、第６
図は吸気管内圧と基本燃料噴射量との関係を示す
図、第７図は従来の異常過給圧防止燃料カツトシ
ステムを説明するための図である。
１…機関本体、２…吸気通路、４…エアフロー
メータ、６…スロツトル弁、７…スロツトルセン
サ、１１…クランク角センサ、１２…コントロー
ルユニツト。
FIG. 1 is a block diagram for explaining the configuration of the present invention, and FIG. 2 is a configuration diagram showing an embodiment of the present invention.
FIG. 3 is a control flowchart of the same embodiment as above;
Figure 5 shows a map of standard basic fuel injection amount.
The figure is a diagram for explaining the operation of the same embodiment as above.
This figure is a diagram showing the relationship between intake pipe internal pressure and basic fuel injection amount, and FIG. 7 is a diagram for explaining a conventional abnormal boost pressure prevention fuel cut system. DESCRIPTION OF SYMBOLS 1... Engine body, 2... Intake passage, 4... Air flow meter, 6... Throttle valve, 7... Throttle sensor, 11... Crank angle sensor, 12... Control unit.
Claims (1)
検出する吸入空気量検出手段と、スロツトル弁開
度検出手段と、所定の吸入空気雰囲気条件下でス
ロツトル弁開度と機関回転数とに基づいて予め設
定した基準基本燃料噴射量を記憶する記憶手段と
、機関回転数と吸入空気流量とに基づいて基本燃
料噴射量を演算する基本燃料噴射量演算手段と、
検出したスロツトル弁開度と機関回転数とに基づ
いて前記記憶手段から対応する基準基本燃料噴射
量を検索する基準基本燃料噴射量検索手段と、該
検索された基準基本燃料噴射量と実際の演算され
た前記基本燃料噴射量とを比較して空気密度を算
出する空気密度算出手段とを備えたことを特徴と
する自動車用空気密度検出装置。 An engine rotation speed detection means, an intake air amount detection means for detecting the mass flow rate of intake air, a throttle valve opening detection means, and a throttle valve opening detection means for detecting the intake air mass flow rate based on the throttle valve opening and the engine rotation speed under predetermined intake air atmosphere conditions. a storage means for storing a preset reference basic fuel injection amount; a basic fuel injection amount calculation means for calculating the basic fuel injection amount based on the engine speed and the intake air flow rate;
a reference basic fuel injection amount retrieval means for searching a corresponding reference basic fuel injection amount from the storage means based on the detected throttle valve opening degree and engine rotational speed; and actual calculation of the searched reference basic fuel injection amount. an air density calculation means for calculating air density by comparing the basic fuel injection amount with the basic fuel injection amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9082887U JPS63200648U (en) | 1987-06-15 | 1987-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9082887U JPS63200648U (en) | 1987-06-15 | 1987-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200648U true JPS63200648U (en) | 1988-12-23 |
Family
ID=30951054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9082887U Pending JPS63200648U (en) | 1987-06-15 | 1987-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200648U (en) |
-
1987
- 1987-06-15 JP JP9082887U patent/JPS63200648U/ja active Pending