JPH01139041U - - Google Patents
Info
- Publication number
- JPH01139041U JPH01139041U JP3564488U JP3564488U JPH01139041U JP H01139041 U JPH01139041 U JP H01139041U JP 3564488 U JP3564488 U JP 3564488U JP 3564488 U JP3564488 U JP 3564488U JP H01139041 U JPH01139041 U JP H01139041U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure sensor
- valve
- amount
- control section
- 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 25
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Magnetically Actuated Valves (AREA)
Description
第１図は本考案による燃料噴射装置の一実施例
を示す断面図である。
２……エアバルブ、７……スロー系負圧センサ
、９……メイン系負圧センサ、１０……コントロ
ールユニツト、１４……メインジエツト、１５…
…メイン系燃圧センサ、１６……メイン系燃料供
給バルブ、１７ａ……メイン系第一電磁弁、１７
ｂ……メイン系第二電磁弁、１８……パイロツト
ジエツト、１９……スロー系燃圧センサ、２０…
…スロー系燃料供給バルブ、２１ａ……スロー系
第一電磁弁、２１ｂ……スロー系第二電磁弁。
FIG. 1 is a sectional view showing an embodiment of a fuel injection device according to the present invention. 2... Air valve, 7... Slow system negative pressure sensor, 9... Main system negative pressure sensor, 10... Control unit, 14... Main jet, 15...
...Main system fuel pressure sensor, 16...Main system fuel supply valve, 17a...Main system first solenoid valve, 17
b... Main system second solenoid valve, 18... Pilot jet, 19... Slow system fuel pressure sensor, 20...
...Slow system fuel supply valve, 21a...Slow system first solenoid valve, 21b...Slow system second solenoid valve.
Claims (1)
路に配設された燃料計量部の燃圧差を検知する燃
圧センサと、前記燃料計量部の下流側で前記燃料
通路に設けられた開口部に対して進退して燃料噴
射量を制御し得る燃料バルブと、該燃料バルブと
連結されていて該燃料バルブの進退量を制御する
電磁弁と、前記負圧センサの検知量と前記燃圧セ
ンサの検知量とに基づいて混合気の空燃比を一定
にするべく空気流量に応じて燃料噴射量を決定し
て前記電磁弁を制御せしめるコントロールユニツ
トとを有する燃料制御部を備えた燃料噴射装置。 (2) 前記燃料制御部はスロー系燃料制御部とメ
イン系燃料制御部とから構成されていると共にメ
イン系燃料計量部の下流側にスロー系燃料計量部
が配設されていることを特徴とする実用新案登録
請求の範囲(1)に記載の燃料噴射装置。[Claims for Utility Model Registration] (1) A negative pressure sensor that detects an air flow rate, a fuel pressure sensor that detects a fuel pressure difference between a fuel metering section disposed in a fuel passage, and a A fuel valve that can move forward and backward with respect to an opening provided in a fuel passage to control the fuel injection amount, an electromagnetic valve that is connected to the fuel valve and that controls the amount of movement of the fuel valve, and the negative pressure sensor. and a control unit that controls the electromagnetic valve by determining a fuel injection amount according to the air flow rate in order to keep the air-fuel ratio of the mixture constant based on the detected amount of the fuel pressure sensor and the detected amount of the fuel pressure sensor. Fuel injection system with. (2) The fuel control section is composed of a slow system fuel control section and a main system fuel control section, and the slow system fuel metering section is disposed downstream of the main system fuel metering section. A fuel injection device according to claim (1) for utility model registration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564488U JPH01139041U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564488U JPH01139041U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139041U true JPH01139041U (en) | 1989-09-22 |
Family
ID=31262287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3564488U Pending JPH01139041U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139041U (en) |
-
1988
- 1988-03-17 JP JP3564488U patent/JPH01139041U/ja active Pending