JPH0475153U - - Google Patents
Info
- Publication number
- JPH0475153U JPH0475153U JP11927190U JP11927190U JPH0475153U JP H0475153 U JPH0475153 U JP H0475153U JP 11927190 U JP11927190 U JP 11927190U JP 11927190 U JP11927190 U JP 11927190U JP H0475153 U JPH0475153 U JP H0475153U
- Authority
- JP
- Japan
- Prior art keywords
- fuel supply
- flow rate
- detecting
- supply flow
- fuel
- 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 12
- 239000002828 fuel tank Substances 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 230000003213 activating effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の実施例を示す構成図、第２
図と第３図は同じくコントロールユニツト内で行
われる制御動作の一例を示すフローチヤート、第
４図と第５図は他の実施例を説明するフローチヤ
ートである。
２……燃料タンク、３……燃料供給通路、４，
５……燃料供給ポンプ、６，７……電磁弁、８…
…シグナル装置、９……コントロールユニツト、
１０……流量センサ。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
3 and 3 are flowcharts showing an example of control operations performed within the control unit, and FIGS. 4 and 5 are flowcharts illustrating other embodiments. 2...Fuel tank, 3...Fuel supply passage, 4,
5... Fuel supply pump, 6, 7... Solenoid valve, 8...
...Signal device, 9...Control unit,
10...Flow rate sensor.
Claims (1)
に少なくとも２個の燃料供給ポンプを並列に介装
し、これらの通路を選択的に開閉する電磁弁を設
けると共に、燃料供給ポンプの故障を警報する手
段を備え、上記電磁弁下流の燃料の供給流量を検
出する手段と、この検出信号に基づいて燃料の供
給流量の異常を判定したときに警報手段を作動さ
せると同時に、稼働側ポンプに代わつて停止側の
ポンプを稼働してエンジンへの燃料供給を継続す
るように燃料供給ポンプと電磁弁の切換えを制御
する手段を設けたことを特徴とする内燃機関の燃
料供給装置。 At least two fuel supply pumps are interposed in parallel in the middle of the fuel supply passage from the fuel tank to the engine, a solenoid valve is provided to selectively open and close these passages, and a means is provided to warn of failure of the fuel supply pump. A means for detecting the fuel supply flow rate downstream of the electromagnetic valve, and a means for activating an alarm means when an abnormality in the fuel supply flow rate is determined based on this detection signal, and at the same time, a means for detecting the fuel supply flow rate downstream of the electromagnetic valve, and at the same time, a means for detecting the fuel supply flow rate downstream of the electromagnetic valve. 1. A fuel supply device for an internal combustion engine, comprising means for controlling switching between a fuel supply pump and a solenoid valve so as to operate the pump to continue supplying fuel to the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11927190U JPH0475153U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11927190U JPH0475153U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475153U true JPH0475153U (en) | 1992-06-30 |
Family
ID=31867240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11927190U Pending JPH0475153U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475153U (en) |
-
1990
- 1990-11-14 JP JP11927190U patent/JPH0475153U/ja active Pending