JPS6057780U - Fuel injection timing detection device - Google Patents
Fuel injection timing detection deviceInfo
- Publication number
- JPS6057780U JPS6057780U JP14884583U JP14884583U JPS6057780U JP S6057780 U JPS6057780 U JP S6057780U JP 14884583 U JP14884583 U JP 14884583U JP 14884583 U JP14884583 U JP 14884583U JP S6057780 U JPS6057780 U JP S6057780U
- Authority
- JP
- Japan
- Prior art keywords
- timing
- fuel injection
- detection device
- cog
- pulse train
- 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
Landscapes
- Measurement Of Unknown Time Intervals (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図は本考案による燃料噴射時期検出装置の構成を示
すブロック図、第２図ａ１第２図すは第１図に示す装置
の各部の信号の波形を示す信号波形図、第３図は第１図
に示す装置のタイミングプレートの正面図である。
１・・・燃料噴射時期検出装置、２・・・ディーゼル機
関、３・・・燃料噴射ポンプ、４・・・上死点センサ、
５・・・クランク軸、９・・・演算回路、１０・・・被
駆動軸、１１・・・噴射タイミングセンサ、１２・・・
タイミングプレート、１２ａ、１２ｃ、１２ｅ、１２ｇ
＊ １２１・・・コグ、１３・・・電磁ピックアップ
コイル、Ｓ亡・上死点信号、Ｓ２・・・噴射タイミング
信号。Fig. 1 is a block diagram showing the configuration of the fuel injection timing detection device according to the present invention, Fig. 2 a1 is a signal waveform diagram showing signal waveforms of each part of the device shown in Fig. FIG. 2 is a front view of the timing plate of the device shown in FIG. 1; DESCRIPTION OF SYMBOLS 1...Fuel injection timing detection device, 2...Diesel engine, 3...Fuel injection pump, 4...Top dead center sensor,
5... Crankshaft, 9... Arithmetic circuit, 10... Driven shaft, 11... Injection timing sensor, 12...
Timing plate, 12a, 12c, 12e, 12g
* 121... Cog, 13... Electromagnetic pickup coil, S dead center/top dead center signal, S2... Injection timing signal.
Claims (1)
第１パルス列信号を発生する第１手段と、前記内燃機関
に燃料を噴射供給する不等間隔燃料噴射ポンプの燃料噴
射開始タイミングに関連したパルスから成る第２パルス
列信号を発生する第２手段と、前記第１及び第２パルス
列信号に応答して噴射時期を演算する演算手段とを備え
て成る燃料噴射時期検出装置において、前記第２手段が
上記燃料噴射ポンプの被駆動軸に固定され外周にコグが
設けられたタイミングプレートと、該タイミングプレー
トの回転により前記コグが順次接近、離反するよう該タ
イミングプレートに接近して配置された電磁ピックアッ
プコイルとを含み、前記コグが、前記燃料噴射ポンプの
静的噴射開始タイミングで前記電磁ピックアップコイル
に対向するように配設されていることを特徴とする燃料
噴射時期検出装置。first means for generating a first pulse train signal comprising pulses indicative of a predetermined reference timing of the internal combustion engine; and comprising pulses associated with the start timing of fuel injection of an uneven fuel injection pump supplying fuel to the internal combustion engine. In a fuel injection timing detection device comprising a second means for generating a second pulse train signal and a calculating means for calculating an injection timing in response to the first and second pulse train signals, the second means A timing plate fixed to a driven shaft of an injection pump and provided with a cog on its outer periphery, and an electromagnetic pickup coil arranged close to the timing plate so that the cog approaches and moves away sequentially as the timing plate rotates. A fuel injection timing detection device comprising: the cog being disposed to face the electromagnetic pickup coil at a static injection start timing of the fuel injection pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14884583U JPS6057780U (en) | 1983-09-28 | 1983-09-28 | Fuel injection timing detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14884583U JPS6057780U (en) | 1983-09-28 | 1983-09-28 | Fuel injection timing detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6057780U true JPS6057780U (en) | 1985-04-22 |
| JPH0117650Y2 JPH0117650Y2 (en) | 1989-05-23 |
Family
ID=30330577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14884583U Granted JPS6057780U (en) | 1983-09-28 | 1983-09-28 | Fuel injection timing detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6057780U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675961A (en) * | 1979-11-21 | 1981-06-23 | Mitsuwa Seiki Co Ltd | Detecting method of fuel injection timing |
-
1983
- 1983-09-28 JP JP14884583U patent/JPS6057780U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675961A (en) * | 1979-11-21 | 1981-06-23 | Mitsuwa Seiki Co Ltd | Detecting method of fuel injection timing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0117650Y2 (en) | 1989-05-23 |
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