JPH0395047U - - Google Patents
Info
- Publication number
- JPH0395047U JPH0395047U JP285090U JP285090U JPH0395047U JP H0395047 U JPH0395047 U JP H0395047U JP 285090 U JP285090 U JP 285090U JP 285090 U JP285090 U JP 285090U JP H0395047 U JPH0395047 U JP H0395047U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- injection pulse
- effective
- calculation means
- basic
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第1図ないし第4図は本考案の実施例を示し、
第1図は全体構成図、第2図及び第3図は燃料噴
射量制御を示すフローチヤート図、第4図は燃料
噴射弁の噴射パルス幅に対する噴射量特性を示す
図である。
8……燃料噴射弁、15……エアフローセンサ
、21……基本幅演算手段、22……補正量演算
手段、23……有効幅演算手段、24……規制手
段、25……最終値演算手段。
1 to 4 show embodiments of the present invention,
FIG. 1 is an overall configuration diagram, FIGS. 2 and 3 are flowcharts showing fuel injection amount control, and FIG. 4 is a diagram showing the injection amount characteristics with respect to the injection pulse width of the fuel injection valve. 8... Fuel injection valve, 15... Air flow sensor, 21... Basic width calculation means, 22... Correction amount calculation means, 23... Effective width calculation means, 24... Regulation means, 25... Final value calculation means .
Claims (1)
基いて基本噴射パルス幅を演算する基本幅演算手
段と、エンジン運転状態に応じて上記基本噴射パ
ルス幅に対する補正量を演算する補正量演算手段
と、上記両演算手段の出力を受け、基本噴射パル
ス幅及び補正量に基いて有効噴射パルス幅を演算
する有効幅演算手段と、該有効幅演算手段による
演算した有効噴射パルス幅が予め設定した下限値
以下の小さいとき、該有効噴射パルス幅を該下限
値に規制する規制手段と、上記有効幅演算手段又
は規制手段により得られた有効噴射パルス幅、及
び車載バツテリの充電状態に応じた無効噴射パル
ス幅に基いて、燃料噴射弁に出力する最終噴射パ
ルス幅を演算する最終値演算手段とを備えたこと
を特徴とするエンジンの燃料制御装置。 basic width calculation means for calculating a basic injection pulse width based on the intake air amount detected by the airflow sensor; correction amount calculation means for calculating a correction amount for the basic injection pulse width according to the engine operating condition; and both of the above calculations. effective width calculation means that receives the output of the means and calculates an effective injection pulse width based on the basic injection pulse width and the correction amount; and a small effective injection pulse width that is less than or equal to a preset lower limit value. At this time, a regulating means for regulating the effective injection pulse width to the lower limit value, an effective injection pulse width obtained by the effective width calculation means or the regulating means, and an invalid injection pulse width according to the state of charge of the on-vehicle battery. 1. A fuel control device for an engine, comprising: final value calculation means for calculating a final injection pulse width to be output to a fuel injection valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP285090U JPH0810673Y2 (en) | 1990-01-16 | 1990-01-16 | Engine fuel control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP285090U JPH0810673Y2 (en) | 1990-01-16 | 1990-01-16 | Engine fuel control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0395047U true JPH0395047U (en) | 1991-09-27 |
JPH0810673Y2 JPH0810673Y2 (en) | 1996-03-29 |
Family
ID=31506696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP285090U Expired - Lifetime JPH0810673Y2 (en) | 1990-01-16 | 1990-01-16 | Engine fuel control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0810673Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008302016A (en) * | 2007-06-07 | 2008-12-18 | Isao Yamabe | Dust removal adhesive tape wind-attachment roll |
-
1990
- 1990-01-16 JP JP285090U patent/JPH0810673Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008302016A (en) * | 2007-06-07 | 2008-12-18 | Isao Yamabe | Dust removal adhesive tape wind-attachment roll |
Also Published As
Publication number | Publication date |
---|---|
JPH0810673Y2 (en) | 1996-03-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |