JPH0373667U - - Google Patents
Info
- Publication number
- JPH0373667U JPH0373667U JP13491389U JP13491389U JPH0373667U JP H0373667 U JPH0373667 U JP H0373667U JP 13491389 U JP13491389 U JP 13491389U JP 13491389 U JP13491389 U JP 13491389U JP H0373667 U JPH0373667 U JP H0373667U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure
- injection valve
- electric
- fuel injection
- 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 20
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る内燃機関の燃
料噴射装置の概略構成図、第２図は第１図の装置
の燃料通路における圧力の変化を示す特性図、で
ある。
１……燃料タンク、４，５……電動式燃料ポン
プ、８……デリバリパイプ、９……燃料噴射弁、
１１……第１の圧力調整弁、１２……第２の圧力
調整弁、１３……リリーフ通路、１４……オリフ
イス。
FIG. 1 is a schematic configuration diagram of a fuel injection device for an internal combustion engine according to an embodiment of the present invention, and FIG. 2 is a characteristic diagram showing changes in pressure in the fuel passage of the device of FIG. 1. 1... Fuel tank, 4, 5... Electric fuel pump, 8... Delivery pipe, 9... Fuel injection valve,
11...first pressure regulating valve, 12...second pressure regulating valve, 13...relief passage, 14...orifice.
Claims (1)
射弁から噴射させるようにした内燃機関において
、前記電動式燃料ポンプを、並列に接続され単独
でも十分な燃料供給能力を有する２つの電動式燃
料ポンプから構成し、前記燃料噴射弁に燃料を供
給する通路の末端に、前記燃料噴射弁の噴射燃料
量を満足する圧力値に設定された第１の圧力調整
弁を設け、前記２つの電動式燃料ポンプと前記燃
料噴射弁との間の通路に、前記第１の圧力調整弁
の圧力設定値に対して前記電動式燃料ポンプ１台
分の吐出量が前記燃料噴射弁に燃料を供給する通
路を流れたときに生ずる圧力差分だけ高く圧力設
定された第２の圧力調整弁を設けたことを特徴と
する内燃機関の燃料供給装置。 In an internal combustion engine in which fuel supplied from an electric fuel pump is injected from a fuel injection valve, the electric fuel pump is connected from two electric fuel pumps that are connected in parallel and have sufficient fuel supply capacity even when alone. and a first pressure regulating valve set to a pressure value that satisfies the amount of fuel injected by the fuel injection valve is provided at the end of the passage that supplies fuel to the fuel injection valve, and the two electric fuel pumps and the fuel injection valve, a discharge amount equivalent to one electric fuel pump flows through a passage that supplies fuel to the fuel injection valve relative to the pressure setting value of the first pressure regulating valve. 1. A fuel supply system for an internal combustion engine, characterized in that a second pressure regulating valve is provided, the pressure being set higher by the pressure difference that occurs when the pressure is lowered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13491389U JPH0373667U (en) | 1989-11-22 | 1989-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13491389U JPH0373667U (en) | 1989-11-22 | 1989-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0373667U true JPH0373667U (en) | 1991-07-24 |
Family
ID=31682214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13491389U Pending JPH0373667U (en) | 1989-11-22 | 1989-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0373667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074434A (en) * | 2001-09-04 | 2003-03-12 | Honda Motor Co Ltd | Fuel supply device |
| JP2020525707A (en) * | 2017-07-05 | 2020-08-27 | アー・ファウ・エル・リスト・ゲー・エム・ベー・ハーＡｖｌ Ｌｉｓｔ Ｇｍｂｈ | Pressure controller for fuel consumption measuring system and fuel consumption measuring system |
-
1989
- 1989-11-22 JP JP13491389U patent/JPH0373667U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074434A (en) * | 2001-09-04 | 2003-03-12 | Honda Motor Co Ltd | Fuel supply device |
| JP2020525707A (en) * | 2017-07-05 | 2020-08-27 | アー・ファウ・エル・リスト・ゲー・エム・ベー・ハーＡｖｌ Ｌｉｓｔ Ｇｍｂｈ | Pressure controller for fuel consumption measuring system and fuel consumption measuring system |
| US10954904B2 (en) | 2017-07-05 | 2021-03-23 | Avl List Gmbh | Pressure-regulating device for a fuel consumption measurement system and fuel consumption measurement system |
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