JPS60153842U - Electronically controlled diesel engine fuel restriction circuit - Google Patents
Electronically controlled diesel engine fuel restriction circuitInfo
- Publication number
- JPS60153842U JPS60153842U JP4199684U JP4199684U JPS60153842U JP S60153842 U JPS60153842 U JP S60153842U JP 4199684 U JP4199684 U JP 4199684U JP 4199684 U JP4199684 U JP 4199684U JP S60153842 U JPS60153842 U JP S60153842U
- Authority
- JP
- Japan
- Prior art keywords
- diesel engine
- electronically controlled
- circuit
- fuel
- controlled diesel
- 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
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の燃料制限回路を有するディーゼルエンジ
ンの電子ガバナのブロック回路図、第２因ｃはそのラッ
クの最大変位位置特性線図、第２図すはその燃料噴射特
性線図、第２因ｃはその出力特性線図、第２因ｃはその
トルク特性線図、第３図〜第５図は本考案の一実施例を
示し、第３図は本考案に係る燃料制限回路を有するディ
ーゼルエンジンの電子ガバナのブロック回路図、第４因
ｃはそのＦ／Ｖコンバータの出力特性線図、第４図すは
そのしきい値変換回路の出力特性線図および減圧器の出
力特性線図、第４因ｃは燃料制限回路のしきい値特性線
図、第５因ｃはそのラックの最大変位位置特性線図、第
５図すはその燃量噴射特性線図、第５因ｃはそのトルク
特性線図、第５因ｃはその出力特性線図である。
１・・・・・・エンジン、８・・・・・・アクチュエー
タ、９・・・・・・ラック、１０・・・・・・燃料制限
回路、１５・・・・・・しきい値変換回路、１６・・・
・・・変換上限設定回路、１７・・・・・・比較器。Fig. 1 is a block circuit diagram of an electronic governor for a diesel engine with a conventional fuel limiting circuit, the second factor c is a maximum displacement position characteristic diagram of the rack, and Fig. 2 is its fuel injection characteristic diagram. Factor c is its output characteristic diagram, second factor c is its torque characteristic diagram, Figures 3 to 5 show an embodiment of the present invention, and Figure 3 has a fuel limiting circuit according to the present invention. A block circuit diagram of an electronic governor for a diesel engine, the fourth factor c is an output characteristic diagram of its F/V converter, and Figure 4 is an output characteristic diagram of its threshold conversion circuit and an output characteristic diagram of its pressure reducer. , the fourth factor c is the threshold characteristic diagram of the fuel limiting circuit, the fifth factor c is the maximum displacement position characteristic diagram of the rack, and the fifth factor c is the fuel injection characteristic diagram. The torque characteristic diagram, the fifth factor c, is its output characteristic diagram. 1... Engine, 8... Actuator, 9... Rack, 10... Fuel limiting circuit, 15... Threshold conversion circuit , 16...
...Conversion upper limit setting circuit, 17...Comparator.
Claims (1)
を駆動するアクチュエータ８を備え、このアクチュエー
タ８の燃料増量方向への作動量を制御する制御信号の信
号値を所定のしきい値以下に制限して上記ラック９の燃
料増量方向への変位を制限する、女子制御ディーゼルエ
ンジンの燃料制限回路において、 所定のエンジン回転域において上記しきい値を増大させ
るしきい値変換回路１５を設けたことを特徴とする、電
子制御ディーゼルエンジンの燃料制限回路。 ２ 実用新案登録請求の範囲第１項に記載された電子制
御ディーゼルエンジンの燃料制限回路において、 上記しきい値変換回路１５をしきい値変換を行なう回転
域の上限回転数に対応する信号値を出力する変換上限設
定回路１６と上記エンジンの実回転数の増減に対応して
信号値が増減する実回転数信号を負相入力端に入力し、
上記変換上限設定回路１６の出力を正相入力端に入力す
る比較器１７とで構成した、電子制御ディーゼルエンジ
ンの燃料制限回路。[Scope of claim for utility model registration] 1 Rack 9 for adjusting fuel injection amount of diesel engine 1
The displacement of the rack 9 in the fuel increase direction is restricted by limiting the signal value of a control signal that controls the amount of operation of the actuator 8 in the fuel increase direction to a predetermined threshold value or less. A fuel limiting circuit for an electronically controlled diesel engine, characterized in that the fuel limiting circuit for an electronically controlled diesel engine is provided with a threshold conversion circuit 15 that increases the threshold in a predetermined engine rotation range. 2. In the fuel limiting circuit for the electronically controlled diesel engine described in claim 1 of the utility model registration claim, the threshold conversion circuit 15 is configured to convert the signal value corresponding to the upper limit rotation speed of the rotation range in which the threshold conversion is performed. An actual rotational speed signal whose signal value increases or decreases in response to an increase or decrease in the actual rotational speed of the output conversion upper limit setting circuit 16 and the engine is inputted to the negative phase input terminal,
A fuel limiting circuit for an electronically controlled diesel engine, comprising a comparator 17 which inputs the output of the conversion upper limit setting circuit 16 to a positive phase input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4199684U JPS60153842U (en) | 1984-03-24 | 1984-03-24 | Electronically controlled diesel engine fuel restriction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4199684U JPS60153842U (en) | 1984-03-24 | 1984-03-24 | Electronically controlled diesel engine fuel restriction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60153842U true JPS60153842U (en) | 1985-10-14 |
Family
ID=30552333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4199684U Pending JPS60153842U (en) | 1984-03-24 | 1984-03-24 | Electronically controlled diesel engine fuel restriction circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60153842U (en) |
-
1984
- 1984-03-24 JP JP4199684U patent/JPS60153842U/en active Pending
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