JPH0237234U - - Google Patents
Info
- Publication number
- JPH0237234U JPH0237234U JP11593988U JP11593988U JPH0237234U JP H0237234 U JPH0237234 U JP H0237234U JP 11593988 U JP11593988 U JP 11593988U JP 11593988 U JP11593988 U JP 11593988U JP H0237234 U JPH0237234 U JP H0237234U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- chamber
- pump
- plunger
- oil chamber
- 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 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims 1
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第1図は本考案による電子制御式燃料噴射ポン
プの一実施例を示す概略的断面図、第2図は本考
案による燃料噴射特性を示すグラフである。
2……ポンプ室、4……プランジヤ、5……加
圧室、6……油室、7……通路、7′……リーク
通路、8……電磁弁、9……スプール弁、91…
…斜めリード。
FIG. 1 is a schematic sectional view showing an embodiment of an electronically controlled fuel injection pump according to the present invention, and FIG. 2 is a graph showing fuel injection characteristics according to the present invention. 2... Pump chamber, 4... Plunger, 5... Pressure chamber, 6... Oil chamber, 7... Passage, 7'... Leak passage, 8... Solenoid valve, 9... Spool valve, 91...
…Diagonal lead.
Claims (1)
ランジヤによりポンプ室からプランジヤ端部の加
圧室に導入された燃料を加圧し、各気筒に分配圧
送する形式の燃料噴射ポンプにおいて、前記加圧
室とポンプ室とを結ぶ通路に全体の圧送期間を制
御する電磁弁を設ける一方、前記通路にはこれと
交差する関係に油室を設け、該油室をリーク通路
によりポンプ室と接続すると共に、油室内には斜
めリードを備えかつアクチユエータにより回転自
在なスプール弁を配し、前記電磁弁とアクチユエ
ータとを電子制御装置により作動させるようにし
たことを特徴とする電子制御式燃料噴射ポンプ。 In a fuel injection pump of a type that pressurizes fuel introduced from a pump chamber into a pressurizing chamber at the end of the plunger by a plunger that rotates and reciprocates in relation to the rotation of an engine, and distributes and pressure-feeds the fuel to each cylinder, the pressurizing chamber A solenoid valve for controlling the entire pumping period is provided in a passage connecting the pump chamber and the passage, while an oil chamber is provided in the passage intersecting with the passage, and the oil chamber is connected to the pump chamber by a leak passage, An electronically controlled fuel injection pump, characterized in that a spool valve having a diagonal lead and rotatable by an actuator is disposed in the oil chamber, and the solenoid valve and the actuator are operated by an electronic control device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11593988U JPH0237234U (en) | 1988-09-05 | 1988-09-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11593988U JPH0237234U (en) | 1988-09-05 | 1988-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0237234U true JPH0237234U (en) | 1990-03-12 |
Family
ID=31358039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11593988U Pending JPH0237234U (en) | 1988-09-05 | 1988-09-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0237234U (en) |
-
1988
- 1988-09-05 JP JP11593988U patent/JPH0237234U/ja active Pending
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