JPH0476961U - - Google Patents
Info
- Publication number
- JPH0476961U JPH0476961U JP11971990U JP11971990U JPH0476961U JP H0476961 U JPH0476961 U JP H0476961U JP 11971990 U JP11971990 U JP 11971990U JP 11971990 U JP11971990 U JP 11971990U JP H0476961 U JPH0476961 U JP H0476961U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- chamber
- pressure
- control pressure
- pressure 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 23
- 239000002828 fuel tank Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Description
第１図および第２図は本考案の実施例を示し、
第１図は本実施例による燃料噴射装置の全体構成
図、第２図は本実施例による圧力レギユレータの
縦断面図、第３図および第４図は従来技術を示し
、第３図は燃料噴射装置の全体構成図、第４図は
圧力レギユレータの縦断面図である。
２……燃料噴射弁、３……インテイクマニホー
ルド、７……燃料タンク、８……燃料ポンプ、９
……燃料配管、１２……制御圧配管、１３……戻
し配管、１４……燃圧制御弁、２０……ダイヤフ
ラム、２３，４６……導管、４１……燃料逃し配
管、４２……圧力レギユレータ、４３……チエツ
ク弁。
1 and 2 show an embodiment of the present invention,
FIG. 1 is an overall configuration diagram of a fuel injection device according to this embodiment, FIG. 2 is a vertical cross-sectional view of a pressure regulator according to this embodiment, FIGS. 3 and 4 show conventional technology, and FIG. 3 is a fuel injection The overall configuration of the device is shown in FIG. 4, which is a vertical sectional view of the pressure regulator. 2... Fuel injection valve, 3... Intake manifold, 7... Fuel tank, 8... Fuel pump, 9
... Fuel pipe, 12 ... Control pressure pipe, 13 ... Return pipe, 14 ... Fuel pressure control valve, 20 ... Diaphragm, 23, 46 ... Conduit, 41 ... Fuel relief pipe, 42 ... Pressure regulator, 43...Check valve.
Claims (1)
る燃料ポンプと、内部が燃料室と制御圧室とに画
成され、該燃料ポンプから吐出された燃料を燃料
室内に導入しつつ、この燃料の圧力を制御圧室内
の圧力に応じて調圧する圧力レギユレータと、該
圧力レギユレータの燃料室内に導入された燃料の
うち、余剰の燃料を前記燃料タンクに戻す戻し配
管と、前記圧力レギユレータによつて調圧された
燃料をエンジンに噴射する噴射弁とからなる燃料
噴射装置において、前記圧力レギユレータの制御
圧室と前記戻し配管を含む燃料タンク側との間を
接続する燃料逃し配管と、該燃料逃し配管の途中
に設けられ、前記制御圧室側から燃料タンク側に
向けて燃料が流通するのを許し、逆向きの流れを
阻止するチエツク弁とを備えたことを特徴とする
燃料噴射装置。 A fuel tank, a fuel pump that discharges fuel in the fuel tank, and a fuel chamber and a control pressure chamber are defined inside the fuel tank, and the fuel discharged from the fuel pump is introduced into the fuel chamber and the fuel is A pressure regulator that adjusts the pressure according to the pressure in the control pressure chamber, a return pipe that returns excess fuel from the fuel introduced into the fuel chamber of the pressure regulator to the fuel tank, and a pressure regulator that adjusts the pressure according to the pressure in the control pressure chamber. A fuel injection device comprising an injection valve that injects pressurized fuel into an engine, a fuel relief pipe connecting between a control pressure chamber of the pressure regulator and a fuel tank side including the return pipe, and the fuel relief pipe. A fuel injection device comprising: a check valve provided in the middle of the control pressure chamber to allow fuel to flow from the control pressure chamber side to the fuel tank side and to prevent flow in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11971990U JP2504172Y2 (en) | 1990-11-15 | 1990-11-15 | Fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11971990U JP2504172Y2 (en) | 1990-11-15 | 1990-11-15 | Fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0476961U true JPH0476961U (en) | 1992-07-06 |
| JP2504172Y2 JP2504172Y2 (en) | 1996-07-10 |
Family
ID=31867660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11971990U Expired - Lifetime JP2504172Y2 (en) | 1990-11-15 | 1990-11-15 | Fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2504172Y2 (en) |
-
1990
- 1990-11-15 JP JP11971990U patent/JP2504172Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2504172Y2 (en) | 1996-07-10 |