JPS6352962U - - Google Patents
Info
- Publication number
- JPS6352962U JPS6352962U JP14513786U JP14513786U JPS6352962U JP S6352962 U JPS6352962 U JP S6352962U JP 14513786 U JP14513786 U JP 14513786U JP 14513786 U JP14513786 U JP 14513786U JP S6352962 U JPS6352962 U JP S6352962U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel pump
- discharge pressure
- self
- detection means
- 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 13
- 230000005856 abnormality Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000004092 self-diagnosis Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Testing Of Engines (AREA)
Description
第１図は本考案の一実施例を示す燃料ポンプ制
御回路図、第２図は従来例を示す燃料ポンプ制御
回路図である。 １……燃料ポンプ、３……マイクロコンピユー
タ、６……圧力センサ、ＣＰ３……比較器。
御回路図、第２図は従来例を示す燃料ポンプ制御
回路図である。 １……燃料ポンプ、３……マイクロコンピユー
タ、６……圧力センサ、ＣＰ３……比較器。
Claims (1)
- 燃料タンク内の燃料を機関への燃料供給部に圧
送する燃料ポンプの自己診断装置において、燃料
ポンプの燃料吐出圧力を検出する吐出圧力検出手
段と、該吐出圧力検出手段によつて検出された燃
料吐出圧力に基づき燃料ポンプの異常を判定する
燃料ポンプ異常判定手段と、を備えてなる内燃機
関用燃料ポンプの自己診断装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14513786U JPS6352962U (ja) | 1986-09-24 | 1986-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14513786U JPS6352962U (ja) | 1986-09-24 | 1986-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6352962U true JPS6352962U (ja) | 1988-04-09 |
Family
ID=31056398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14513786U Pending JPS6352962U (ja) | 1986-09-24 | 1986-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6352962U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6907775B2 (en) | 2002-12-09 | 2005-06-21 | Hitachi, Ltd. | Diagnosis apparatus and method of fuel pump for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985474A (ja) * | 1982-11-06 | 1984-05-17 | Toyota Motor Corp | 燃料ポンプ制御装置 |
-
1986
- 1986-09-24 JP JP14513786U patent/JPS6352962U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985474A (ja) * | 1982-11-06 | 1984-05-17 | Toyota Motor Corp | 燃料ポンプ制御装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6907775B2 (en) | 2002-12-09 | 2005-06-21 | Hitachi, Ltd. | Diagnosis apparatus and method of fuel pump for internal combustion engine |
| DE10357483B4 (de) * | 2002-12-09 | 2006-03-09 | Hitachi, Ltd. | Diagnoseeinrichtung und -verfahren einer Kraftstoffpumpe für einen Verbrennungsmotor |