JPH0335253U - - Google Patents
Info
- Publication number
- JPH0335253U JPH0335253U JP9561589U JP9561589U JPH0335253U JP H0335253 U JPH0335253 U JP H0335253U JP 9561589 U JP9561589 U JP 9561589U JP 9561589 U JP9561589 U JP 9561589U JP H0335253 U JPH0335253 U JP H0335253U
- Authority
- JP
- Japan
- Prior art keywords
- fuel pump
- vapor generation
- generation detection
- vapor
- abnormality determining
- 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 10
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
第１図ないし第４図は本考案の実施例に係り、
第１図はホツトリスタートバルブの縦断面図、第
２図は燃料ポンプの診断装置を示す回路構成図、
第３図は燃料ポンプの診断装置のブロツク図、第
４図は異常判定処理等を示す流れ図、第５図は従
来技術を示す燃料ポンプの縦断面図である。
１……ケーシング、３……ポンプ部、１１……
直流電動モータ、３６……リフト検出器（ベーパ
発生検出手段）、４１……コントロールユニツト
、４６……報知器。
1 to 4 relate to embodiments of the present invention,
Figure 1 is a longitudinal sectional view of the hot restart valve, Figure 2 is a circuit configuration diagram showing a fuel pump diagnostic device,
FIG. 3 is a block diagram of a fuel pump diagnostic device, FIG. 4 is a flowchart showing abnormality determination processing, etc., and FIG. 5 is a vertical cross-sectional view of a fuel pump showing a conventional technique. 1...Casing, 3...Pump part, 11...
DC electric motor, 36... lift detector (vapor generation detection means), 41... control unit, 46... alarm.
Claims (1)
パを検出すべく、該燃料ポンプに設けられたベー
パ発生検出手段と、該ベーパ発生検出手段からの
ベーパ発生検出信号に基づき、前記燃料ポンプが
ベーパ発生による異常状態であるか否かを判定す
る異常判定手段と、該異常判定手段によつて燃料
ポンプが異常であると判定したときに、これを報
知する報知手段とから構成してなる燃料ポンプの
診断装置。 A fuel pump, a vapor generation detection means provided in the fuel pump to detect vapor generated in the fuel pump, and a vapor generation detection signal from the vapor generation detection means, so that the fuel pump detects vapor generation. A fuel pump comprising: an abnormality determining means for determining whether or not the fuel pump is in an abnormal state; and a reporting means for notifying when the abnormality determining means determines that the fuel pump is abnormal. Diagnostic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9561589U JPH0335253U (en) | 1989-08-15 | 1989-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9561589U JPH0335253U (en) | 1989-08-15 | 1989-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0335253U true JPH0335253U (en) | 1991-04-05 |
Family
ID=31644872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9561589U Pending JPH0335253U (en) | 1989-08-15 | 1989-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335253U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6352962B2 (en) * | 1984-04-18 | 1988-10-20 | Ishikawajima Harima Heavy Ind |
-
1989
- 1989-08-15 JP JP9561589U patent/JPH0335253U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6352962B2 (en) * | 1984-04-18 | 1988-10-20 | Ishikawajima Harima Heavy Ind |