JPS63140165U - - Google Patents
Info
- Publication number
- JPS63140165U JPS63140165U JP3179587U JP3179587U JPS63140165U JP S63140165 U JPS63140165 U JP S63140165U JP 3179587 U JP3179587 U JP 3179587U JP 3179587 U JP3179587 U JP 3179587U JP S63140165 U JPS63140165 U JP S63140165U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- accumulation
- accumulation piston
- plunger
- injection device
- 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 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims 6
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１実施例に係るデイーゼル
エンジンの燃料噴射装置のパイロツト噴射装置の
断面図、第２図は第１図のうちリターンスプリン
グに片持梁ばねを用いたときのリターンスプリン
グの斜視図、第３図は本考案の第２実施例に係る
デイーゼルエンジンの燃料噴射装置のパイロツト
噴射装置の断面図、第４図は第３図のうちリター
ンスプリングに皿ばねを用いたときにの斜視図、
第５図は第１図または第３図のパイロツト噴射装
置を具備し得る燃料噴射装置の断面図、第６図は
既提案の実願昭６０―１３５９２３号の燃料噴射
装置の断面図、第７図は第６図の燃料噴射装置の
うちパイロツト噴射装置の断面図、である。
１……燃料噴射装置、２……パイロツト噴射装
置、３……燃料リターン通路、１０……プランジ
ヤ、１１……プランジヤ室、２０……アキユムレ
ートピストン、２４……リターンスプリングとし
ての片持梁ばね、２５……背後室、２７……キヤ
ツプ、２８……リターンスプリングとしての皿ば
ね。
Fig. 1 is a sectional view of a pilot injector of a diesel engine fuel injection device according to a first embodiment of the present invention, and Fig. 2 is a return spring in Fig. 1 when a cantilever spring is used as the return spring. FIG. 3 is a sectional view of a pilot injector of a diesel engine fuel injection device according to a second embodiment of the present invention, and FIG. A perspective view of
FIG. 5 is a cross-sectional view of a fuel injection device that can be equipped with the pilot injection device of FIG. 1 or FIG. 3, FIG. This figure is a sectional view of a pilot injection device of the fuel injection device shown in FIG. 6. DESCRIPTION OF SYMBOLS 1...Fuel injection device, 2...Pilot injection device, 3...Fuel return passage, 10...Plunger, 11...Plunger chamber, 20...Accumulate piston, 24...Cantilever as a return spring Spring, 25...back chamber, 27...cap, 28...disc spring as return spring.
Claims (1)
孔を介してプランジヤ室に臨むアキユムレートピ
ストンガイドと、該アキユムレートピストンガイ
ドに油密摺動自在に挿入されたアキユムレートピ
ストンと、該アキユムレートピストンのプランジ
ヤ室と反対側に設けられ燃料リターン通路に接続
された背後室と、該背後室内に設けられ皿ばねま
たは片持梁ばねの何れかからなり前記アキユムレ
ートピストンを直接プランジヤ室側に付勢するリ
ターンスプリングとを有するメカニカルなアキユ
ムレート式パイロツト噴射装置を具備しているこ
とを特徴とするデイーゼルエンジンの燃料噴射装
置。 an accumulation piston guide disposed in a passage branching from an injected fuel passage and facing the plunger chamber through a small hole; an accumulation piston inserted into the accumulation piston guide in an oil-tight and slidable manner; A rear chamber provided on the opposite side of the plunger chamber of the accumulation piston and connected to the fuel return passage, and a disc spring or a cantilever spring provided in the rear chamber, which directly connects the accumulation piston to the plunger. 1. A fuel injection device for a diesel engine, characterized in that it is equipped with a mechanical accumulation type pilot injection device having a return spring biased toward the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3179587U JPS63140165U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3179587U JPS63140165U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140165U true JPS63140165U (en) | 1988-09-14 |
Family
ID=30837858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3179587U Pending JPS63140165U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140165U (en) |
-
1987
- 1987-03-06 JP JP3179587U patent/JPS63140165U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63140165U (en) | ||
| JPS634371U (en) | ||
| JPS63102968U (en) | ||
| JPH0330569U (en) | ||
| JPS6421264U (en) | ||
| JPS5882476U (en) | internal combustion engine fuel injection valve | |
| JPS60155774U (en) | engine fuel injector | |
| JPS6184166U (en) | ||
| JPS591867U (en) | Diesel engine fuel injection system | |
| JPS58165263U (en) | fuel injection nozzle | |
| JPH01130066U (en) | ||
| JPS60112643U (en) | Governor device for fuel-injected engines | |
| JPS6165269U (en) | ||
| JPS63160370U (en) | ||
| JPH0471736U (en) | ||
| JPH0335258U (en) | ||
| JPS6367660U (en) | ||
| JPS6272470U (en) | ||
| JPH01114979U (en) | ||
| JPS5818064U (en) | Fuel injection nozzle for internal combustion engine | |
| JPS6136179U (en) | fuel injection nozzle | |
| JPS62169255U (en) | ||
| JPS6429264U (en) | ||
| JPS6119671U (en) | fuel injection nozzle | |
| JPS5932169U (en) | distribution type fuel injection pump |