JPS6288877U - - Google Patents
Info
- Publication number
- JPS6288877U JPS6288877U JP17913185U JP17913185U JPS6288877U JP S6288877 U JPS6288877 U JP S6288877U JP 17913185 U JP17913185 U JP 17913185U JP 17913185 U JP17913185 U JP 17913185U JP S6288877 U JPS6288877 U JP S6288877U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- delivery valve
- fuel injection
- injection pump
- delivery
- 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
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案が適用された燃料噴射ポンプの
一部を示す縦断面図。第２図は本考案の一実施例
を示す断面図。第３図ａは本考案の一実施例に用
いたデリバリバルブスプリングの模式図。第３図
ｂおよび第４図は本考案の作用の説明に供する開
弁圧特性および噴射特性を示す線図。
３……デリバリバルブ、３１……弁座体、３１
ａ……通孔、３１ｂ……弁座部、３２……弁体、
３２ａ……円錐シート部、３２ｃ……ピストンカ
ラー、３２ｅ……切欠き、３３……デリバリバル
ブスプリング。
FIG. 1 is a longitudinal sectional view showing a part of a fuel injection pump to which the present invention is applied. FIG. 2 is a sectional view showing an embodiment of the present invention. FIG. 3a is a schematic diagram of a delivery valve spring used in an embodiment of the present invention. FIG. 3b and FIG. 4 are diagrams showing valve opening pressure characteristics and injection characteristics to explain the operation of the present invention. 3...Delivery valve, 31...Valve seat body, 31
a...Through hole, 31b...Valve seat part, 32...Valve body,
32a...Conical seat portion, 32c...Piston collar, 32e...Notch, 33...Delivery valve spring.
Claims (1)
きを設けた燃料噴射ポンプ用デリバリバルブにお
いて、シート開弁圧を低く、かつピストンカラー
部が弁シート外へまでリフトしたときの弁体に対
する押圧力を強くするべくデリバリバルブスプリ
ングを不等ピツチにしたことを特徴とする燃料噴
射ポンプ用デリバリバルブ。 In a fuel injection pump delivery valve that has a notch in the valve axis direction on the side of the suction piston collar, the pressure force on the valve body when the seat opening pressure is low and the piston collar lifts to the outside of the valve seat. A delivery valve for a fuel injection pump, characterized by delivery valve springs of unequal pitch to increase the strength of the delivery valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17913185U JPS6288877U (en) | 1985-11-22 | 1985-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17913185U JPS6288877U (en) | 1985-11-22 | 1985-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6288877U true JPS6288877U (en) | 1987-06-06 |
Family
ID=31121916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17913185U Pending JPS6288877U (en) | 1985-11-22 | 1985-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6288877U (en) |
-
1985
- 1985-11-22 JP JP17913185U patent/JPS6288877U/ja active Pending
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