JPS628365U - - Google Patents

Info

Publication number
JPS628365U
JPS628365U JP10000785U JP10000785U JPS628365U JP S628365 U JPS628365 U JP S628365U JP 10000785 U JP10000785 U JP 10000785U JP 10000785 U JP10000785 U JP 10000785U JP S628365 U JPS628365 U JP S628365U
Authority
JP
Japan
Prior art keywords
nozzle
stage
spring
fuel valve
springs
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
JP10000785U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP10000785U priority Critical patent/JPS628365U/ja
Publication of JPS628365U publication Critical patent/JPS628365U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)

Description

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

第１図は本考案に係る３スプリング式燃料弁の
断面図、第２図乃至第３図はそれぞれ第２段目及
び第３段目のノズルばね作用を説明する線図で、
第２図は第１実施例、第３図は第２実施例に係る
ものであり、第４図は従来形燃料弁の断面図、第
５図は従来例の第２段目ばねの作用を説明する線
図である。 ０３……針弁、０７……第１段目のノズルばね
、１２……第２段目のノズルばね、１０３……第
３段目のノズルばね。 FIG. 1 is a sectional view of a three-spring fuel valve according to the present invention, and FIGS. 2 and 3 are diagrams illustrating the actions of the nozzle springs in the second and third stages, respectively.
Fig. 2 shows the first embodiment, Fig. 3 shows the second embodiment, Fig. 4 is a sectional view of a conventional fuel valve, and Fig. 5 shows the action of the second stage spring of the conventional example. It is a diagram for explaining. 03... Needle valve, 07... First stage nozzle spring, 12... Second stage nozzle spring, 103... Third stage nozzle spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 針弁の軸線方向に並べられ燃料弁に噴射圧を付
与するノズルばねにおいて、やや低圧で開弁する
燃料弁用の第１段目のノズルばねと、このノズル
ばねが変形後さらに高圧で作動する第２段目及び
第３段目のプリセツトされたノズルばねとを有し
てなる３スプリング式燃料弁。 Among the nozzle springs that are arranged in the axial direction of the needle valve and apply injection pressure to the fuel valve, the first stage nozzle spring for the fuel valve opens at a slightly lower pressure, and this nozzle spring operates at an even higher pressure after deformation. A three-spring fuel valve having second stage and third stage preset nozzle springs.
JP10000785U 1985-07-02 1985-07-02 Pending JPS628365U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10000785U JPS628365U (en) 1985-07-02 1985-07-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10000785U JPS628365U (en) 1985-07-02 1985-07-02

Publications (1)

Publication Number Publication Date
JPS628365U true JPS628365U (en) 1987-01-19

Family

ID=30969413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10000785U Pending JPS628365U (en) 1985-07-02 1985-07-02

Country Status (1)

Country Link
JP (1) JPS628365U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647254B2 (en) * 1978-12-27 1981-11-09
JPS59176462A (en) * 1983-03-25 1984-10-05 Nippon Denso Co Ltd Fuel injection valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647254B2 (en) * 1978-12-27 1981-11-09
JPS59176462A (en) * 1983-03-25 1984-10-05 Nippon Denso Co Ltd Fuel injection valve

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