JPS611684U - Relief valve of fuel pump for internal combustion engine - Google Patents
Relief valve of fuel pump for internal combustion engineInfo
- Publication number
- JPS611684U JPS611684U JP8609784U JP8609784U JPS611684U JP S611684 U JPS611684 U JP S611684U JP 8609784 U JP8609784 U JP 8609784U JP 8609784 U JP8609784 U JP 8609784U JP S611684 U JPS611684 U JP S611684U
- Authority
- JP
- Japan
- Prior art keywords
- relief valve
- combustion engine
- internal combustion
- fuel pump
- fuel
- 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
- 239000000446 fuel Substances 0.000 title claims 5
- 238000002485 combustion reaction Methods 0.000 title claims 3
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Details Of Reciprocating Pumps (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るＩＪ ＋Ｊ−フバルブの一実施例
を示す閉弁状態の断面図、第２図は同じく開弁状態の断
面図、第３図はポンプの吐出量とポンプを駆動するモー
タの運転電流との関係を示す図、第４図は１ノリーフバ
ルブを備えたポンプの一例を゜示す断面図、第５図は従
来のＩＪ ＩＪ−フバルブを例示する断面図である。
′ １・・・ポンプ、２・・・低圧通路、３・・・高圧
通路、４・・・バイパス通路、４ａ・・・弁座、５・・
・ＩＪ ＩＪ−フバルブ、１０・・・リリ−−フパルブ
本体、１１・・・弁体、１２・・・スプリング、１４・
・田ツド、２ｏ・・・バルブスイッチ、２１・・・固定
接点、２２・・・可動接点、２３・・・スプリング。Fig. 1 is a sectional view of an embodiment of the IJ+J-F valve according to the present invention in a closed state, Fig. 2 is a sectional view of the same in an open state, and Fig. 3 shows the pump discharge amount and the pump drive. FIG. 4 is a sectional view showing an example of a pump equipped with a one-leaf valve, and FIG. 5 is a sectional view illustrating a conventional IJ valve. ' 1...Pump, 2...Low pressure passage, 3...High pressure passage, 4...Bypass passage, 4a...Valve seat, 5...
・IJ IJ valve, 10... Relief valve body, 11... Valve body, 12... Spring, 14...
・Tatsudo, 2o... Valve switch, 21... Fixed contact, 22... Movable contact, 23... Spring.
Claims (1)
出側の高圧通路とを連通ずるバイパス通路に介装される
リリーフバルブを、前記両通路の差圧が所定値より高く
なったときにのみ開弁ずるリリーフバルブ本体と、該リ
リーフバルブ本体が閉弁しているときにのみ前記ポンプ
に運転信号を出力するバルブスイッチと、で構成したこ
とを特徴とする内燃機関用燃料ポンプのリリーフバルブ
。A relief valve installed in a bypass passage that communicates a low-pressure passage on the fuel intake side and a high-pressure passage on the fuel discharge side of a fuel pump for an internal combustion engine is installed only when the differential pressure between the two passages becomes higher than a predetermined value. A relief valve for a fuel pump for an internal combustion engine, comprising a relief valve body that slides open and a valve switch that outputs an operation signal to the pump only when the relief valve body is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8609784U JPS611684U (en) | 1984-06-12 | 1984-06-12 | Relief valve of fuel pump for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8609784U JPS611684U (en) | 1984-06-12 | 1984-06-12 | Relief valve of fuel pump for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS611684U true JPS611684U (en) | 1986-01-08 |
Family
ID=30637087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8609784U Pending JPS611684U (en) | 1984-06-12 | 1984-06-12 | Relief valve of fuel pump for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611684U (en) |
-
1984
- 1984-06-12 JP JP8609784U patent/JPS611684U/en active Pending
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