JPS5867971U - Fuel injection pump delivery valve - Google Patents
Fuel injection pump delivery valveInfo
- Publication number
- JPS5867971U JPS5867971U JP16335981U JP16335981U JPS5867971U JP S5867971 U JPS5867971 U JP S5867971U JP 16335981 U JP16335981 U JP 16335981U JP 16335981 U JP16335981 U JP 16335981U JP S5867971 U JPS5867971 U JP S5867971U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- delivery valve
- fuel injection
- injection pump
- valve seat
- 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
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
第１図はディーゼルエンジンの燃料噴射ポンプの要部を
示す断面図、第２図は本考案の実施例に係るデリベリバ
ルブの拡大断面図、第３図Ａ、 Ｂ。
Ｃ，Ｄはプリベルバルブの動作の説明図、第４図は本考
案のデリベリバルブの燃料噴射特性図である。
１・・・・・・ポンプ本体、２・・・・・・プランジャ
バレル、３・・・・・・ピストン、５・・・・・・弁座
体、６・・・・・・吐出金具、９・・・・ご弁体、９ａ
・・・・・・案内部、９ｂ・・・・・・ピストン部、１
１・・・・・・燃料通路、１２・・・・・・溝、１３・
・・・・・穴、１５・・・・・・穴、１６・・・・・・
通路。FIG. 1 is a sectional view showing the main parts of a fuel injection pump for a diesel engine, FIG. 2 is an enlarged sectional view of a delivery valve according to an embodiment of the present invention, and FIGS. 3A and 3B. C and D are explanatory diagrams of the operation of the delivery valve, and FIG. 4 is a fuel injection characteristic diagram of the delivery valve of the present invention. 1... Pump body, 2... Plunger barrel, 3... Piston, 5... Valve seat body, 6... Discharge fitting, 9...Bent body, 9a
...Guide part, 9b...Piston part, 1
1...Fuel passage, 12...Groove, 13.
...Hole, 15...Hole, 16...
aisle.
Claims (1)
燃料通路に弁体を嵌挿した燃料噴射ポンプのデリベリバ
ルブにおいて、前記弁座体燃料通路の弁座側の近傍にデ
リベリバルブ上部の高圧燃料パイプと連通ずる高圧燃料
室と弁座体に形成された穴を介して連通ずる溝を設ける
と共に前記弁体にそのピストン部分に開口し、且つ前記
プランジャバレル上部のプランジャ室に連通ずる通路を
形成し、前記弁座体の溝と弁体の通路とは弁体の上昇行
程および下降行程の途中において連通ずる。 位置に設けられていることを特徴とする燃料噴射ポンプ
のデリベリバルブ。[Scope of Claim for Utility Model Registration] A delivery valve for a fuel injection pump in which a valve seat body is provided at the upper part of a plunger barrel, and a valve body is inserted into a fuel passage of the valve seat body, on the valve seat side of the fuel passage of the valve seat body. A groove is provided in the vicinity of the delivery valve which communicates with the high pressure fuel chamber through a hole formed in the valve seat body, and which communicates with the high pressure fuel pipe in the upper part of the delivery valve. A passage communicating with the plunger chamber is formed, and the groove of the valve seat body and the passage of the valve body communicate with each other during the upward stroke and the downward stroke of the valve body. A delivery valve for a fuel injection pump, characterized in that the delivery valve is provided at a position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16335981U JPS5867971U (en) | 1981-10-31 | 1981-10-31 | Fuel injection pump delivery valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16335981U JPS5867971U (en) | 1981-10-31 | 1981-10-31 | Fuel injection pump delivery valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5867971U true JPS5867971U (en) | 1983-05-09 |
Family
ID=29955655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16335981U Pending JPS5867971U (en) | 1981-10-31 | 1981-10-31 | Fuel injection pump delivery valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5867971U (en) |
-
1981
- 1981-10-31 JP JP16335981U patent/JPS5867971U/en active Pending
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