JPS63166668U - - Google Patents
Info
- Publication number
- JPS63166668U JPS63166668U JP5874187U JP5874187U JPS63166668U JP S63166668 U JPS63166668 U JP S63166668U JP 5874187 U JP5874187 U JP 5874187U JP 5874187 U JP5874187 U JP 5874187U JP S63166668 U JPS63166668 U JP S63166668U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel injection
- injection pump
- spring
- 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 claims description 15
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第一実施例による燃料噴射ポ
ンプの等圧弁装置の縦断面図、第２図は同、等圧
弁１８の正面図、第３図は同、等圧弁デリバリバ
ルブアセンブリ２８の正面図である。
１……燃料噴射ポンプ、２……デリバリバルブ
ホルタ、３…燃料出口、４…噴射管、５……噴射
ノズル、６……燃料噴射ポンプ本体、７……プラ
ンジヤバレル、８……プランジヤ、９……ポンプ
室、１０……デリバリバルブシート、１１……デ
リバリバルブ、１２……ロツド部、１３……羽根
部、１４……燃料吐出用通路、１５……スプリン
グストツパ、１６……デリバリバルブセツトスプ
リング、１７……シート面、１８……等圧弁、１
９……ステム部、２０……羽根部、２１……燃料
吸戻し用通路、２２……ヘツド部、２３……シー
ト面、２４……スナツプリング、２５……等圧弁
スプリングシート、２６……等圧弁セツトスプリ
ング、２７……セツト力調整シム、２８……等圧
弁デリバリバルブアセンブリ。
1 is a vertical sectional view of an equal pressure valve device for a fuel injection pump according to a first embodiment of the present invention, FIG. 2 is a front view of an equal pressure valve 18, and FIG. 3 is a front view of an equal pressure valve delivery valve assembly 28. It is a front view. DESCRIPTION OF SYMBOLS 1... Fuel injection pump, 2... Delivery valve holter, 3... Fuel outlet, 4... Injection pipe, 5... Injection nozzle, 6... Fuel injection pump body, 7... Plunger barrel, 8... Plunger, 9 ... Pump chamber, 10 ... Delivery valve seat, 11 ... Delivery valve, 12 ... Rod part, 13 ... Vane part, 14 ... Fuel discharge passage, 15 ... Spring stopper, 16 ... Delivery valve Set spring, 17... Seat surface, 18... Equal pressure valve, 1
9...Stem part, 20...Blade part, 21...Fuel suction/return passage, 22...Head part, 23...Seat surface, 24...Snap spring, 25...Isometric valve spring seat, 26...etc. Pressure valve set spring, 27...setting force adjustment shim, 28...equal pressure valve delivery valve assembly.
Claims (1)
バリバルブ内にポペツトバルブを遊嵌し、このポ
ペツトバルブのシート面を、前記燃料噴射ポンプ
のポンプ室側に臨む前記デリバリバルブに形成す
るとともに、前記ポペツトバルブのセツトスプリ
ング用のスプリングシートを、前記燃料出口側に
設け、このスプリングシートと前記デリバリバル
ブとの間に前記セツトスプリングを介装して、前
記燃料噴射ポンプの残圧を制御するようにした燃
料噴射ポンプの等圧弁装置。 (2) 前記ポペツトバルブと前記デリバリバルブ
との間に燃料吸戻し用通路を形成したことを特徴
とする実用新案登録請求の範囲第１項に記載の燃
料噴射ポンプの等圧弁装置。 (3) 前記ポペツトバルブのセツトスプリング用
のスプリングシートには、等圧弁スプリングセツ
ト力調整用シムを設けたことを特徴とする実用新
案登録請求の範囲第１項に記載の燃料噴射ポンプ
の等圧弁装置。[Claims for Utility Model Registration] (1) A poppet valve is loosely fitted into a delivery valve that opens and closes a fuel outlet of a fuel injection pump, and the delivery valve has a seat surface of the poppet valve facing the pump chamber side of the fuel injection pump. A spring seat for a set spring of the poppet valve is provided on the fuel outlet side, and the set spring is interposed between the spring seat and the delivery valve to reduce the residual pressure of the fuel injection pump. An equal pressure valve device for a fuel injection pump that controls the (2) The equal pressure valve device for a fuel injection pump according to claim 1, wherein a fuel suction/return passage is formed between the poppet valve and the delivery valve. (3) The equal-pressure valve device for a fuel injection pump according to claim 1, wherein the spring seat for the set spring of the poppet valve is provided with a shim for adjusting the equal-pressure valve spring set force. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5874187U JPS63166668U (en) | 1987-04-20 | 1987-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5874187U JPS63166668U (en) | 1987-04-20 | 1987-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63166668U true JPS63166668U (en) | 1988-10-31 |
Family
ID=30889582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5874187U Pending JPS63166668U (en) | 1987-04-20 | 1987-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63166668U (en) |
-
1987
- 1987-04-20 JP JP5874187U patent/JPS63166668U/ja active Pending