JPS6065374U

JPS6065374U - fuel injector

Info

Publication number: JPS6065374U
Application number: JP15609883U
Authority: JP
Inventors: 川尻　弘樹
Original assignee: 日産自動車株式会社
Priority date: 1983-10-11
Filing date: 1983-10-11
Publication date: 1985-05-09

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来例の概略断面図、第２図は従来の燃料供給
系統図、第３図は同じく始動時における燃料供給状態と
始動性との間係を示す図、第４図は本考案の一実施例を
示す要部の構成図である。２１・・・・・プランジャ、２５・・曲ハイプレッシャ
、チャンバ、２８・・・・・・蓄圧通路、２９・・・・
・・蓄圧容器、３，０・・・・・・電磁弁（弁装置）、
３１・・・′・・・レギュレーティングバルブ、３３・
・・パ・・燃料噴射ノズル、３４・・・・・・高圧パイ
プ、３５・・・・・・加圧通路、３６・・・・・・電磁
弁（弁装置）、３７・・・・・・燃料噴射ポンプ〈３８
・・・・・・余剰燃料戻し通路、３９・・曲電磁弁（弁
装置）、４０・・・・・・制御回路、４１・曲・スター
タスイッチ。Fig. 1 is a schematic sectional view of the conventional example, Fig. 2 is a conventional fuel supply system diagram, Fig. 3 is a diagram showing the relationship between the fuel supply state and startability at the time of starting, and Fig. 4 is the present invention. FIG. 2 is a configuration diagram of main parts showing one embodiment of the present invention. 21... Plunger, 25... Curved high pressure, chamber, 28... Pressure accumulation passage, 29...
...Pressure accumulator, 3,0...Solenoid valve (valve device),
31...'...Regulating valve, 33.
...Pa... Fuel injection nozzle, 34... High pressure pipe, 35... Pressurizing passage, 36... Solenoid valve (valve device), 37...・Fuel injection pump〈38
... Surplus fuel return passage, 39. Curved solenoid valve (valve device), 40... Control circuit, 41. Curved starter switch.

Claims

[Scope of utility model registration request]

A pressure accumulating container connected via a pressure accumulating passage to a high pressure chamber subjected to pressurizing action by a plunger, a high pressure pipe leading to a fuel injection nozzle, and a valve device interposed in the pressurizing passage connecting the pressure accumulating vessel. a valve device interposed in the excess fuel return passage of the fuel injection nozzle; a means for detecting the start of the engine; 1. A fuel injection device comprising: a control circuit that opens a valve device installed in the fuel ashing passageway and closes a valve device installed in the fuel ashing passage.