JPS59177774U - Injection pressure regulator - Google Patents

Injection pressure regulator

Info

Publication number
JPS59177774U
JPS59177774U JP7288583U JP7288583U JPS59177774U JP S59177774 U JPS59177774 U JP S59177774U JP 7288583 U JP7288583 U JP 7288583U JP 7288583 U JP7288583 U JP 7288583U JP S59177774 U JPS59177774 U JP S59177774U
Authority
JP
Japan
Prior art keywords
chamber
valve
injection pressure
cylinder chamber
piston
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
Application number
JP7288583U
Other languages
Japanese (ja)
Other versions
JPS6341579Y2 (en
Inventor
郷　隆士
Original Assignee
ヤンマーディーゼル株式会社
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 ヤンマーディーゼル株式会社 filed Critical ヤンマーディーゼル株式会社
Priority to JP7288583U priority Critical patent/JPS59177774U/en
Publication of JPS59177774U publication Critical patent/JPS59177774U/en
Application granted granted Critical
Publication of JPS6341579Y2 publication Critical patent/JPS6341579Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • 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図は従来例を示す縦断面図、第２図は本考案の一実
施例を示す縦断面図、第３図および第４　　′図は作用
を説明するための各線図である。 １１・・・ノズルホルダ、１２・・・ノズル、１３・・
・袋ナツト、１４・・・サックホール、１５・・・噴口
、１６・・・弁室、１”７・・・ニードルバルブ、１８
・・・弁座、１９．２１・・・油路、２０・・・噴射管
接続口、２２・・・嵌装室、２３・・・バルブスプリン
グ、２４．２５・・・スプリング受け、２６・・・ブツ
シュロッド部、２７・・・シリンダ室、２８・・・ピス
トン、２９・・・ロッド、３０・・・ストッパ部、３１
・・・嵌装室、３２・・・制御スプリング、３３・・・
制御室、３４・・・油路、３５・・・通気管、３６．３
７・・・通路、３８・・・プレート、３９・・・蓋体。FIG. 1 is a longitudinal sectional view showing a conventional example, FIG. 2 is a longitudinal sectional view showing an embodiment of the present invention, and FIGS. 3 and 4' are diagrams for explaining the operation. 11... Nozzle holder, 12... Nozzle, 13...
・Bag nut, 14... Suck hole, 15... Nozzle, 16... Valve chamber, 1"7... Needle valve, 18
... Valve seat, 19.21 ... Oil passage, 20 ... Injection pipe connection port, 22 ... Fitting chamber, 23 ... Valve spring, 24.25 ... Spring receiver, 26. ...Button rod part, 27...Cylinder chamber, 28...Piston, 29...Rod, 30...Stopper part, 31
... Fitting chamber, 32... Control spring, 33...
Control room, 34... Oil path, 35... Ventilation pipe, 36.3
7... Passage, 38... Plate, 39... Lid body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 燃料噴射弁におけるニードルバルブ１７に対するバルブ
スプリング２３の付勢力を変更調整することによって噴
射圧力を調整する噴射圧力調整装置において、前記燃料
噴射弁におけるノズルホルダ１１にシリンダ室２７を設
けるとともに、このシリンダ室２７に前記バルブスプリ
ング２３の一端を支承するピストン２８を摺動自在に嵌
合し、シリンダ室２７におけるピストン２８の片側室３
３に噴射管圧力を導き、反対側の室にスプリング３２を
介在させたことを特徴とする噴射圧力調整装置。In an injection pressure adjustment device that adjusts injection pressure by changing and adjusting the biasing force of a valve spring 23 against a needle valve 17 in a fuel injection valve, a cylinder chamber 27 is provided in the nozzle holder 11 of the fuel injection valve, and the cylinder chamber 27 is provided in the nozzle holder 11 of the fuel injection valve. A piston 28 supporting one end of the valve spring 23 is slidably fitted into the cylinder chamber 27 , and the piston 28 is fitted into the cylinder chamber 27 in a chamber 3 on one side of the piston 28 .
An injection pressure adjusting device characterized in that an injection pipe pressure is guided to a chamber on the opposite side, and a spring 32 is interposed in a chamber on the opposite side.
JP7288583U 1983-05-16 1983-05-16 Injection pressure regulator Granted JPS59177774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7288583U JPS59177774U (en) 1983-05-16 1983-05-16 Injection pressure regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7288583U JPS59177774U (en) 1983-05-16 1983-05-16 Injection pressure regulator

Publications (2)

Publication Number Publication Date
JPS59177774U true JPS59177774U (en) 1984-11-28
JPS6341579Y2 JPS6341579Y2 (en) 1988-11-01

Family

ID=30203021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7288583U Granted JPS59177774U (en) 1983-05-16 1983-05-16 Injection pressure regulator

Country Status (1)

Country Link
JP (1) JPS59177774U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195546U (en) * 1987-12-17 1989-06-23

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735457U (en) * 1980-08-07 1982-02-24
JPS57102527A (en) * 1980-12-15 1982-06-25 Diesel Kiki Co Ltd Fuel injection nozzle unit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735457B2 (en) * 1973-12-24 1982-07-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735457U (en) * 1980-08-07 1982-02-24
JPS57102527A (en) * 1980-12-15 1982-06-25 Diesel Kiki Co Ltd Fuel injection nozzle unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195546U (en) * 1987-12-17 1989-06-23

Also Published As

Publication number Publication date
JPS6341579Y2 (en) 1988-11-01

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