JPH0378940U - - Google Patents

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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
Application number
JP13863989U
Other languages
Japanese (ja)
Other versions
JP2525106Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989138639U priority Critical patent/JP2525106Y2/en
Publication of JPH0378940U publication Critical patent/JPH0378940U/ja
Application granted granted Critical
Publication of JP2525106Y2 publication Critical patent/JP2525106Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 燃料噴射弁を有し、エンジンのキースイツチＯ
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.
JP1989138639U 1989-12-01 1989-12-01 Injection amount control device at engine start Expired - Fee Related JP2525106Y2 (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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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