JPS55156283A - Operation control circuit of storage pump - Google Patents
Operation control circuit of storage pumpInfo
- Publication number
- JPS55156283A JPS55156283A JP6273179A JP6273179A JPS55156283A JP S55156283 A JPS55156283 A JP S55156283A JP 6273179 A JP6273179 A JP 6273179A JP 6273179 A JP6273179 A JP 6273179A JP S55156283 A JPS55156283 A JP S55156283A
- Authority
- JP
- Japan
- Prior art keywords
- storage pump
- closed
- pump
- contact point
- case
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
PURPOSE: To improve security of a storage pump and prevent reduction of its operation efficiency by controlling the storage pump to halt in case of insufficient priming at start of the pump or the continue its operation even when pumped water is cut off.
CONSTITUTION: In case of insufficient priming from improper operation, or clogging of a storage pump, a contact point T3a is closed because a conduit will not opened at the predetermined time of a limit timer T3. As a contact point T1a has been closed, a storage pump 1 is automatically stopped, thereby to improve security. In case of reduction of flow rate from false operation, a limit switch IS is temporally closed to electrify the limit timer T3. However, its contact point is not directly closed. Opening an intake port within the predetermined time of the timer opens the limit switch LS, which feasible to work the storage pump 1 sequentially.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6273179A JPS55156283A (en) | 1979-05-23 | 1979-05-23 | Operation control circuit of storage pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6273179A JPS55156283A (en) | 1979-05-23 | 1979-05-23 | Operation control circuit of storage pump |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55156283A true JPS55156283A (en) | 1980-12-05 |
Family
ID=13208799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6273179A Pending JPS55156283A (en) | 1979-05-23 | 1979-05-23 | Operation control circuit of storage pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55156283A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03281999A (en) * | 1990-03-30 | 1991-12-12 | Hitachi Ltd | Pump device |
-
1979
- 1979-05-23 JP JP6273179A patent/JPS55156283A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03281999A (en) * | 1990-03-30 | 1991-12-12 | Hitachi Ltd | Pump device |
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