JPH0363764U - - Google Patents
Info
- Publication number
- JPH0363764U JPH0363764U JP12368489U JP12368489U JPH0363764U JP H0363764 U JPH0363764 U JP H0363764U JP 12368489 U JP12368489 U JP 12368489U JP 12368489 U JP12368489 U JP 12368489U JP H0363764 U JPH0363764 U JP H0363764U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure
- chamber
- pressure regulator
- diaphragm
- 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 45
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の燃料噴射式内燃機関の燃料供
給制御装置の実施例（第１実施例）を示す図、第
２図は燃料供給管内の燃料圧力がリターン燃料流
量によりどのように変わるかを示した図、第３図
は本考案の他の実施例（第２実施例）を示す図、
第４図は本考案の更に他の実施例（第３実施例）
を示す図、第５図は本考案の更に他の実施例（第
４実施例）を示す図である。第６図は従来公知の
燃料噴射式内燃機関の燃料供給系統を示す図、第
７図は従来公知の燃料圧力レギユレータを示す図
である。
２……燃料ポンプ、５……燃料供給管、８……
リターン燃料通路、１０……燃料圧力レギユレー
ト装置、Ａ……低圧燃料圧力レギユレータ、Ｂ…
…高圧燃料圧力レギユレータ、１２，２１……ダ
イアフラム、１３，２２……背圧室、１４，２３
……燃料室、１８，２６……流出導管、１９……
ジエツト、１００……制御装置。
Fig. 1 is a diagram showing an embodiment (first embodiment) of the fuel supply control device for a fuel injection type internal combustion engine of the present invention, and Fig. 2 shows how the fuel pressure in the fuel supply pipe changes depending on the return fuel flow rate. FIG. 3 is a diagram showing another embodiment (second embodiment) of the present invention,
FIG. 4 is still another embodiment of the present invention (third embodiment)
FIG. 5 is a diagram showing still another embodiment (fourth embodiment) of the present invention. FIG. 6 is a diagram showing a fuel supply system of a conventionally known fuel injection type internal combustion engine, and FIG. 7 is a diagram showing a conventionally known fuel pressure regulator. 2...Fuel pump, 5...Fuel supply pipe, 8...
Return fuel passage, 10...Fuel pressure regulating device, A...Low pressure fuel pressure regulator, B...
...High pressure fuel pressure regulator, 12,21...Diaphragm, 13,22...Back pressure chamber, 14,23
... Fuel chamber, 18, 26 ... Outflow conduit, 19 ...
Jet, 100...control device.
Claims (1)
、ダイアフラムを介して背圧室と燃料室とに区画
されるダイアフラム型の低圧燃料圧力レギユレー
タ及び高圧燃料圧力レギユレータとからなる燃料
圧力レギユレート装置を設け、 前記２つの燃料圧力レギユレータの燃料室は連
結導管により相互に導通状態とされ、 前記低圧燃料圧力レギユレータの燃料室には燃
料供給管が接続されるとともに、該燃料室内にそ
の一端をダイアフラムに臨んで導通される流出導
管は他端をリターン燃料通路に接続され、かつ、
該流出導管にはジエツトが形成され、 前記高圧燃料圧力レギユレータの燃料室には、
その一端をダイアフラムに臨んで流出導管が導通
され、該流出導管の他端はリターン燃料通路に接
続され、 前記燃料供給管への燃料の供給は制御装置によ
り吐出流量が制御されるポンプによつてなされる
、 ことを特徴とする燃料噴射式内燃機関の燃料供給
制御装置。 ２ 請求項１において、高圧燃料圧力レギユレー
タに連結される連結導管は該高圧燃料圧力レギユ
レータの燃料室内に延設され、その端部をダイア
フラムに臨んで配され、かつ、その流出導管は燃
料室に導通されてなることを特徴とする燃料噴射
式内燃機関の燃料供給制御装置。 ３ 請求項１，２において、ジエツトに替えて流
出導管の途中に制御装置により制御されるソレノ
イド弁が介装されてなることを特徴とする燃料噴
射式内燃機関の燃料供給制御装置。[Scope of Claim for Utility Model Registration] 1. A fuel supply system for a fuel-injected internal combustion engine, consisting of a diaphragm-type low-pressure fuel pressure regulator and a high-pressure fuel pressure regulator that are divided into a back pressure chamber and a fuel chamber via a diaphragm. A fuel pressure regulating device is provided, the fuel chambers of the two fuel pressure regulators are in communication with each other through a connecting conduit, a fuel supply pipe is connected to the fuel chamber of the low pressure fuel pressure regulator, and a fuel chamber is connected to the fuel chamber of the low pressure fuel pressure regulator, An outflow conduit that is conducted with one end facing the diaphragm is connected to the return fuel passage at the other end, and
A jet is formed in the outflow conduit, and a fuel chamber of the high pressure fuel pressure regulator is provided with a jet.
An outflow conduit is connected with one end thereof facing the diaphragm, the other end of the outflow conduit is connected to a return fuel passage, and fuel is supplied to the fuel supply pipe by a pump whose discharge flow rate is controlled by a control device. A fuel supply control device for a fuel injection internal combustion engine, characterized in that: 2. In claim 1, the connecting conduit connected to the high-pressure fuel pressure regulator extends into the fuel chamber of the high-pressure fuel pressure regulator, with its end facing the diaphragm, and the outflow conduit is connected to the fuel chamber. A fuel supply control device for a fuel injection internal combustion engine, characterized in that the device is electrically connected. 3. A fuel supply control device for a fuel injection internal combustion engine according to claim 1, characterized in that a solenoid valve controlled by a control device is interposed in the outflow conduit in place of the jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123684U JP2517869Y2 (en) | 1989-10-23 | 1989-10-23 | Fuel supply control device for fuel injection type internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123684U JP2517869Y2 (en) | 1989-10-23 | 1989-10-23 | Fuel supply control device for fuel injection type internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363764U true JPH0363764U (en) | 1991-06-21 |
| JP2517869Y2 JP2517869Y2 (en) | 1996-11-20 |
Family
ID=31671650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989123684U Expired - Fee Related JP2517869Y2 (en) | 1989-10-23 | 1989-10-23 | Fuel supply control device for fuel injection type internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517869Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074434A (en) * | 2001-09-04 | 2003-03-12 | Honda Motor Co Ltd | Fuel supply device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59170683U (en) * | 1983-04-30 | 1984-11-15 | いすゞ自動車株式会社 | Fuel injection device injection pressure adjustment device |
| JPS60116851A (en) * | 1983-11-29 | 1985-06-24 | Nissan Shatai Co Ltd | Fuel pressure controlling apparatus for fuel injection engine |
| JPS60190660A (en) * | 1984-03-12 | 1985-09-28 | Nissan Shatai Co Ltd | Fuel pressure control device of fuel-injection engine |
| JPS61128348U (en) * | 1985-01-30 | 1986-08-12 | ||
| JPS61197755A (en) * | 1985-02-25 | 1986-09-02 | Nippon Denso Co Ltd | Fuel supply device |
| JPS62122146U (en) * | 1986-01-27 | 1987-08-03 | ||
| JPS6316160A (en) * | 1986-07-07 | 1988-01-23 | Nissan Motor Co Ltd | Fuel pressure control device |
| JPS6321762U (en) * | 1986-07-25 | 1988-02-13 |
-
1989
- 1989-10-23 JP JP1989123684U patent/JP2517869Y2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59170683U (en) * | 1983-04-30 | 1984-11-15 | いすゞ自動車株式会社 | Fuel injection device injection pressure adjustment device |
| JPS60116851A (en) * | 1983-11-29 | 1985-06-24 | Nissan Shatai Co Ltd | Fuel pressure controlling apparatus for fuel injection engine |
| JPS60190660A (en) * | 1984-03-12 | 1985-09-28 | Nissan Shatai Co Ltd | Fuel pressure control device of fuel-injection engine |
| JPS61128348U (en) * | 1985-01-30 | 1986-08-12 | ||
| JPS61197755A (en) * | 1985-02-25 | 1986-09-02 | Nippon Denso Co Ltd | Fuel supply device |
| JPS62122146U (en) * | 1986-01-27 | 1987-08-03 | ||
| JPS6316160A (en) * | 1986-07-07 | 1988-01-23 | Nissan Motor Co Ltd | Fuel pressure control device |
| JPS6321762U (en) * | 1986-07-25 | 1988-02-13 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074434A (en) * | 2001-09-04 | 2003-03-12 | Honda Motor Co Ltd | Fuel supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517869Y2 (en) | 1996-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |