JPH0378940U - - Google Patents
Info
- Publication number
- JPH0378940U JPH0378940U JP13863989U JP13863989U JPH0378940U JP H0378940 U JPH0378940 U JP H0378940U JP 13863989 U JP13863989 U JP 13863989U JP 13863989 U JP13863989 U JP 13863989U JP H0378940 U JPH0378940 U JP H0378940U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- injection
- correcting
- predetermined
- basic pre
- 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 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第1図は本考案のクレーム対応図、第2図は本
考案の一実施例を示すシステム図、第3図は始動
時の燃料噴射制御ルーチンを示すフローチヤート
、第4図は予噴射制御ルーチンを示すフローチヤ
ート、第5図はスロツトル弁開度の時間に対する
変化状況を判定するための特性図、第6図a〜c
は夫々基本予噴射量、吸気温に応じた補正係数及
び噴射回数に応じた補正係数の特性図、第7図は
キースイツチのON時から予噴射を経て始動する
まで時間経過に伴う各要素の動作を示すタイムチ
ヤートである。
11……エンジン本体、14……燃料噴射弁、
15……コントロールユニツト、17……クラン
ク角センサ、19……水温センサ、21……キー
スイツチ。
Fig. 1 is a complaint correspondence diagram of the present invention, Fig. 2 is a system diagram showing an embodiment of the present invention, Fig. 3 is a flowchart showing a fuel injection control routine at startup, and Fig. 4 is a pre-injection control routine. FIG. 5 is a characteristic diagram for determining the state of change in throttle valve opening with respect to time; FIG. 6 a to c
Figure 7 shows the characteristics of the basic pre-injection amount, the correction coefficient according to the intake air temperature, and the correction coefficient according to the number of injections, respectively. This is a time chart showing. 11...Engine body, 14...Fuel injection valve,
15... Control unit, 17... Crank angle sensor, 19... Water temperature sensor, 21... Key switch.
Claims (1)
N時であつて、エンジンが所定回転数以下で所定
時間内にスロツトル弁が所定の変化状況になつた
時に、エンジン温度により予め記憶された基本予
噴射量を設定する手段と、該基本予噴射量を吸気
温度に応じて補正する手段と、噴射回数に応じて
補正する手段と、を備えてなるエンジンの始動時
噴射量制御装置。 It has a fuel injection valve and is a key switch for the engine.
Means for setting a basic pre-injection amount stored in advance based on engine temperature when the throttle valve reaches a predetermined change state within a predetermined time when the engine is at a predetermined rotational speed or less at N time, and the basic pre-injection An engine starting injection amount control device comprising means for correcting the amount according to intake air temperature and means for correcting the amount according to the number of injections.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989138639U JP2525106Y2 (en) | 1989-12-01 | 1989-12-01 | Injection amount control device at engine start |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989138639U JP2525106Y2 (en) | 1989-12-01 | 1989-12-01 | Injection amount control device at engine start |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0378940U true JPH0378940U (en) | 1991-08-12 |
JP2525106Y2 JP2525106Y2 (en) | 1997-02-05 |
Family
ID=31685725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989138639U Expired - Fee Related JP2525106Y2 (en) | 1989-12-01 | 1989-12-01 | Injection amount control device at engine start |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2525106Y2 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56165966U (en) * | 1980-05-13 | 1981-12-09 | ||
JPS6114440A (en) * | 1984-06-29 | 1986-01-22 | Fujitsu Ten Ltd | Electronically controlled fuel injection device |
JPS6131635A (en) * | 1984-07-25 | 1986-02-14 | Honda Motor Co Ltd | Fuel feed control in cranking of internal-combustion engine |
JPS6388240A (en) * | 1986-09-30 | 1988-04-19 | Suzuki Motor Co Ltd | Start injection device for internal combustion engine |
-
1989
- 1989-12-01 JP JP1989138639U patent/JP2525106Y2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56165966U (en) * | 1980-05-13 | 1981-12-09 | ||
JPS6114440A (en) * | 1984-06-29 | 1986-01-22 | Fujitsu Ten Ltd | Electronically controlled fuel injection device |
JPS6131635A (en) * | 1984-07-25 | 1986-02-14 | Honda Motor Co Ltd | Fuel feed control in cranking of internal-combustion engine |
JPS6388240A (en) * | 1986-09-30 | 1988-04-19 | Suzuki Motor Co Ltd | Start injection device for internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JP2525106Y2 (en) | 1997-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |