JPS6247741U - - Google Patents
Info
- Publication number
- JPS6247741U JPS6247741U JP13886885U JP13886885U JPS6247741U JP S6247741 U JPS6247741 U JP S6247741U JP 13886885 U JP13886885 U JP 13886885U JP 13886885 U JP13886885 U JP 13886885U JP S6247741 U JPS6247741 U JP S6247741U
- Authority
- JP
- Japan
- Prior art keywords
- diesel engine
- direct injection
- startability
- view
- injection 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
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 6
- 230000000979 retarding effect Effects 0.000 claims 1
- 239000007858 starting material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
Description
第１図は、本考案の第１の実施例に係る直接噴
射式デイーゼルエンジンの始動性向上装置の縦断
面図、第２図は、第１図の始動性向上装置が備え
られている燃料噴射ポンプの斜視図（但し、一部
分切り欠かれている）、第３図は、第１図の始動
性向上装置を備えた直接噴射式デイーゼルエンジ
ンのエンジン回転数と燃料噴射タイミングとの関
係を表すグラフ、第４図は、本考案の第２の実施
例に係る直接噴射式デイーゼルエンジンの始動性
向上装置の縦断面図、第５図は、本考案の第３の
実施例に係る直接噴射式デイーゼルエンジンの始
動性向上装置の縦断面図、第６図は、本考案の第
４の実施例に係る直接噴射式デイーゼルエンジン
の始動性向上装置の縦断面図、第７図は、従来の
タイマの縦断面図、第８図は、第７図のタイマに
よるエンジン回転数と燃料噴射タイミングとの関
係を表すグラフである。
１……タイマピストン、２……圧縮コイルばね
、３……シリンダ、８……燃料フイードポンプ、
１０……直接噴射式デイーゼルエンジンの始動性
向上装置、１１……第１の室、１２……第２の室
、１９……タイマ、３５……ソレノイド、２１…
…タイマピストン位置決め装置、４３……電磁リ
レー、４１……スタータモータ、４２……スター
タスイツチ、６１……第１のシリンダ、６３……
第１の室、６４……第２の室、６２……第２のシ
リンダ。
FIG. 1 is a longitudinal sectional view of a startability improving device for a direct injection diesel engine according to a first embodiment of the present invention, and FIG. 2 is a fuel injection system equipped with the startability improving device of FIG. A perspective view of the pump (partially cut away); Figure 3 is a graph showing the relationship between engine speed and fuel injection timing of a direct injection diesel engine equipped with the startability improvement device shown in Figure 1; , FIG. 4 is a longitudinal sectional view of a startability improvement device for a direct injection diesel engine according to a second embodiment of the present invention, and FIG. 5 is a longitudinal sectional view of a direct injection diesel engine according to a third embodiment of the present invention. FIG. 6 is a longitudinal sectional view of a device for improving startability of an engine; FIG. 6 is a longitudinal sectional view of a device for improving startability of a direct injection diesel engine according to a fourth embodiment of the present invention; FIG. The vertical cross-sectional view of FIG. 8 is a graph showing the relationship between the engine rotation speed and fuel injection timing determined by the timer of FIG. 7. 1...Timer piston, 2...Compression coil spring, 3...Cylinder, 8...Fuel feed pump,
DESCRIPTION OF SYMBOLS 10... Device for improving startability of a direct injection diesel engine, 11... First chamber, 12... Second chamber, 19... Timer, 35... Solenoid, 21...
...Timer piston positioning device, 43...Electromagnetic relay, 41...Starter motor, 42...Starter switch, 61...First cylinder, 63...
First chamber, 64...Second chamber, 62...Second cylinder.
Claims (1)
備えた直接噴射式デイーゼルエンジンにおいて、
エンジンクランキング時燃料噴射タイミングを相
対的に遅角させることを特徴とする直接噴射式デ
イーゼルエンジンの始動性向上装置。 In a direct injection diesel engine with a timer to determine fuel injection timing,
A device for improving startability of a direct injection diesel engine, which is characterized by relatively retarding fuel injection timing during engine cranking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13886885U JPS6247741U (en) | 1985-09-11 | 1985-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13886885U JPS6247741U (en) | 1985-09-11 | 1985-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247741U true JPS6247741U (en) | 1987-03-24 |
Family
ID=31044236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13886885U Pending JPS6247741U (en) | 1985-09-11 | 1985-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247741U (en) |
-
1985
- 1985-09-11 JP JP13886885U patent/JPS6247741U/ja active Pending
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