JPS58130073U - fuel injector - Google Patents

fuel injector

Info

Publication number
JPS58130073U
JPS58130073U JP2766782U JP2766782U JPS58130073U JP S58130073 U JPS58130073 U JP S58130073U JP 2766782 U JP2766782 U JP 2766782U JP 2766782 U JP2766782 U JP 2766782U JP S58130073 U JPS58130073 U JP S58130073U
Authority
JP
Japan
Prior art keywords
fuel
valve
fuel injection
injection device
pressure booster
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
Application number
JP2766782U
Other languages
Japanese (ja)
Inventor
駒田　秀朗
豊 小島
Original Assignee
株式会社ボッシュオートモーティブ　システム
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社ボッシュオートモーティブ　システム filed Critical 株式会社ボッシュオートモーティブ　システム
Priority to JP2766782U priority Critical patent/JPS58130073U/en
Publication of JPS58130073U publication Critical patent/JPS58130073U/en
Pending legal-status Critical Current

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  • Fuel-Injection Apparatus (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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の燃料噴射装置の構成図、第２図はこの考
案の要部の構成図である。 ７・・・・・・燃料増圧器、１３・・・・・・圧縮室、
２９・・・・・・燃料供給通路、３２・・・・・・戻し
通路、３３・・・・・・開閉弁であるパイロットチェッ
クバルブ、３６・・曲アキュムレータ。 □□□−■□FIG. 1 is a block diagram of a conventional fuel injection device, and FIG. 2 is a block diagram of the main parts of this invention. 7...Fuel pressure booster, 13...Compression chamber,
29...Fuel supply passage, 32...Return passage, 33...Pilot check valve which is an on-off valve, 36...Curved accumulator. □□□−■□

Claims (1)

【実用新案登録請求の範囲】 １　燃料増圧器を設け、この燃料増圧器の圧縮室内に予
かしめ供給された燃料を加圧して燃料噴射ノズルに供給
するようにした燃料噴射装置にあって、前記燃料増圧器
の圧縮室に戻し通路を設けると共に、この戻し通路を開
閉する開閉弁を設けて、この開閉弁に圧油を加えて開閉
制御ができるようにしたことを特徴とする燃料噴射装置
。 ２　開閉弁に加えられる圧油は、燃料供給通路に設けら
れたアキュムレータから導びくようにしたことを特徴と
する実用新案登録請求の範囲第１項記載の燃料噴射装置
。 ３　開閉弁はパイロットチェックバルブより成ることを
特徴とする実用新案登録請求の範囲第１項記載の燃料噴
射装置。[Claims for Utility Model Registration] 1. A fuel injection device which is provided with a fuel pressure booster and pressurizes the fuel supplied in advance into the compression chamber of the fuel pressure booster and supplies it to the fuel injection nozzle, A fuel injection device characterized in that a return passage is provided in a compression chamber of a fuel pressure booster, and an on-off valve for opening and closing this return passage is provided, and opening and closing can be controlled by applying pressure oil to this on-off valve. 2. The fuel injection device according to claim 1, wherein the pressure oil applied to the on-off valve is guided from an accumulator provided in the fuel supply passage. 3. The fuel injection device according to claim 1, wherein the on-off valve is a pilot check valve.
JP2766782U 1982-02-27 1982-02-27 fuel injector Pending JPS58130073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2766782U JPS58130073U (en) 1982-02-27 1982-02-27 fuel injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2766782U JPS58130073U (en) 1982-02-27 1982-02-27 fuel injector

Publications (1)

Publication Number Publication Date
JPS58130073U true JPS58130073U (en) 1983-09-02

Family

ID=30039561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2766782U Pending JPS58130073U (en) 1982-02-27 1982-02-27 fuel injector

Country Status (1)

Country Link
JP (1) JPS58130073U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744765A (en) * 1980-08-29 1982-03-13 Nippon Denso Co Ltd Fuel jetting apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744765A (en) * 1980-08-29 1982-03-13 Nippon Denso Co Ltd Fuel jetting apparatus

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