AU2012244225B2 - Remote pumping station monitoring method - Google Patents
Remote pumping station monitoring method Download PDFInfo
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- AU2012244225B2 AU2012244225B2 AU2012244225A AU2012244225A AU2012244225B2 AU 2012244225 B2 AU2012244225 B2 AU 2012244225B2 AU 2012244225 A AU2012244225 A AU 2012244225A AU 2012244225 A AU2012244225 A AU 2012244225A AU 2012244225 B2 AU2012244225 B2 AU 2012244225B2
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- AU
- Australia
- Prior art keywords
- pumping station
- profiles
- pumping
- pump
- profile
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
- F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
Abstract
The present invention relates to a method for managing a pumping station, the method including the steps of: associating two or more pumping station profiles with the pumping station, the pumping station profiles including a plurality of parameters relating to the pumping station; measuring at least one operational and/or other condition related to the pumping station; running a first of the two or more pumping station profiles in response to a measurement of the at least one operational and/or other condition related to the pumping station; and automatically running a second of the two or more pumping station profiles in response to the completion of the first of the two or more pumping station profiles.
Description
PUMPING STATION MANAGEMENT METHOD TECHNICAL FIELD [0001] The present invention generally relates to pumping stations. The present invention has particular, although not exclusive application to waste water pumping stations. BACKGROUND [00021 The reference to any prior art in this specification is not, and should not be taken as an acknowledgement or any form of suggestion that the prior art forms part of the common general knowledge. [0003] Pumping stations 2 for emptying sewage wells (Figure la) and filling water wells (Figure lb) are known. These pumping stations 2 typically include a well 4 in which liquid 6 is located, a level sensor 8 for sensing the liquid level in the well 4, a pair of pumps 10a, l0b for pumping liquid into or out of the well 4 as required, and a controller (not shown) in communication with sensor 8 and for controlling the operation of the pumps 10a, 10b based on the sensed liquid level in the well 4. Figure I shows various level trigger-points along the level sensor 8 in the form of electrodes. The controller independently activates or de-activates the pumps 10 a, 1Gb with hysteresis in response to it sensing the liquid level via the level sensor 8. [00041 In practice, the pumping stations 2 can be located in isolated and remote locations, and are not typically manned. SUMMARY OF THE INVENTION [00051 According to an aspect of the present invention, there is provided a method for managing a pumping station, the method including the steps of: associating two or more pumping station profiles with the pumping station, the pumping station profiles including a plurality of parameters relating to the pumping station; measuring at least one operational and/or other condition related to the pumping station; running a first of the two or more pumping station profiles in response to a measurement of the at least one operational and/or other condition related to the pumping station; and 2 automatically running a second of the two or more pumping station profiles in response to the completion of the first of the two or more pumping station profiles. [0006] In a preferred embodiment of the invention, the method or methods may include the step of requesting, using a computational device, a pumping station profile from the pumping station. In some embodiments, the invention may further include the step of receiving, with the computational device, the pumping station profile. [00071 The step of requesting may involve periodically requesting the pumping station profile from the pumping station. The step of requesting may involve requesting the pumping station profile responsive to the receipt of user input. [00081 In some embodiments, the pumping station profiles may be set up and stored remotely from the pumping station, such as on a remote controller (SCADA, DCS or the like). In this embodiment of the invention, the remote profiles may be activated by a command from the remote controller, such as by radio, Ethernet, cellphone, satellite signal, fixed phone line or the like, or by a combination thereof. [00091 Alternatively, the pumping station profiles may be set up and stored on a local controller (i.e. a controller located at the pumping station). The profiles may be accessed manually, for instance via a keypad or touch screen interface. [00101 In other embodiments, the pumping station profiles may be set up and stored on a portable memory device (such as a memory card or the like) which may be periodically, and as required, inserted into (or otherwise connected to) a suitable port provided on the local controller. 100111 The pumping station profile may include one or more parameters. The one or more parameters may include any one or more of the following parameters: the mode of operation of the pumping station; the number of pumps of the pumping station; the number of pumps in the pumping station that may operate simultaneously; the activation set point of each pump; the deactivation set point of each pump; detectable faults for each pump; level alarms based on levels measured by each level sensor; pressure; the disabling of alarms under certain conditions (for instance, in an emergency); the number of wells of the pumping station; the rate of change of fluid levels within the pumping station; pump stop/start delays; minimum and maximum 3 pump run times; partial or complete lock out/disablement of keypad or touch screen for maintenance; pump lock out; variable frequency drive (VFD) control to determine minimum and maximum pump speeds; and detectable faults for the pumping station. The parameters may be operational and/or configuration parameters of the pumping station. [00121 It will be understood that there may be some overlap between the plurality of parameters relating to the pumping station, and the at least one operational condition, and any suitable parameter may also double as an operational condition. Further operational conditions may be selected from the fluid level in the pumping station, the fluid level in the individual wells, the rate of change of fluid level in the pumping station, the rate of change of fluid level in individual wells, the number of pumps operating in the pumping station, the number of wells operating in the pumping station, pump speed, valve opening percentage, the used and unused capacities of the pumping station and so on. 100131 The other conditions related to the pumping station may be of any suitable type. For instance, the other conditions may be selected from temperature, atmospheric pressure, rainfall (either an average rainfall over a period of time or an instantaneous measurement of rainfall) and other climatic conditions such as wind speed, other precipitation (such as snow or hail) and the like. Further, the other conditions may include the time (time of day, time of year etc), calendar events (for instance, every day at a certain time, or every weekday at a certain time) and so on. [00141 The other conditions may further include any event occurring at the pumping station, within the network, or remotely, such as power outages, maintenance (scheduled or unplanned), emergency conditions or the like, or a combination thereof. [00151 In some embodiments, a combination of one or more operational conditions and/or one or more other conditions may be measured, and a pumping station may be activated based on a combination of the conditions. Any suitable number of operational and/or other conditions may be combined to activate the pumping station profile. 10016] The profiles may include one or more outputs that result in the actuation of a portion of the pumping station. For instance, the actuation of the portion of the pumping station may control operating parameters and/or operational conditions within the pumping station. For instance, the one or more outputs may direct valves to open and/or close and/or other devices (such as pumps etc) to activated or deactivate during the running of the profile. The outputs may 4 be digital or analogue, such that the activation of the valves or other devices may be achieved either automatically or manually. [0017] In some embodiments of the invention, the profiles may determine which analogue input is to be used. [0018] The method may further include the step of updating, using the computational device, at least one of the pumping station profiles. The step of updating may involve previewing, using the computational device, a number of possible pumping station profiles; and selecting one of the possible pumping profiles. The method may further include the step of sending, using the computational device, the updated pumping station profile to the pumping station. [00191 The method may further include the step of displaying information from the pumping station profile on a display of the computational device. The step of displaying may involve displaying the fluid level, and indicators of the activation set points and deactivation set points for the pumps. 100201 In some embodiments of the invention, the method may include the management of a plurality of pumping stations. In this embodiment of the invention, the plurality of pumping stations may be interconnected so as to form a network. Thus, in this embodiment of the invention, the plurality of pumping stations may be operated in a manner that takes into account not just the operating conditions in a single pumping station, but the operating conditions in two or more of the pumping stations that form the network. 100211 As previously stated, the completion of a first profile may automatically activate the running of second profile. For instance, a first profile may result in the fluid level in the well of the pumping station being lowered to a certain level to complete the profile. The completion of the profile may then activate a second profile to re-fill the well. A skilled addressee will understand, however, that any suitable profiles may be activated after each other, and that these profiles do not necessarily need to relate to the fluid level within the well. [0022] In some embodiments, the completion of the second profile may automatically activate the running of a third pumping station profile. The third pumping station profile may be the same as, or different to, the first profile. Further, the completion of the third profile may automatically activate that the running of a fourth profile. It is envisaged that any suitable 5 number of profiles may be thus linked in this way. The number of different profiles used may be the same as, or less than, the number of consecutive profiles activated. Thus, it is envisaged that the same profile may be run more than once depending on the measured conditions. [00231 The automatic activation of profiles may occur in a set, predetermined order or sequence. Alternatively, it is envisaged that, in some embodiments of the invention, further measurement of the operational and/or other conditions may continue during the running of the profiles. In this way, the sequence of profiles run may not necessarily be predetermined, but may also vary based on measured changes in the operational and/or other conditions being experienced in the pumping station and/or network of pumping stations. [00241 In some embodiments of the invention, a variation on a profile may be activated during the running of a profile. This may be done either to improve the efficiency of the pumping station or in response to events occurring elsewhere in the pumping station, the network or in response to climatic conditions. For instance, in profiles in which a pump is operating, the variation of the profile may activate a second pump within the pumping station to increase the speed at which, for instance, a well is being emptied. This may be done in response to, for instance, a signal that an influx of fluid to the pumping station is expected. 100251 It will be understood that any operational parameter within the pumping station may be varied, including pump speed, valve opening percentages, or the like, or a combination thereof. It is envisaged that other parameters, such as the fluid level at which a particular alarm is set, or a fluid level that is the start or end point of a profile, could also be varied. [00261 In another aspect of the invention, there is provided a method for managing a pumping station, the method including the steps of: associating one or more pumping station profiles with the pumping station, the pumping station profiles including a plurality of parameters relating to the pumping station; measuring at least one operational condition within the pumping station; running a first of the one or more pumping station profiles in response to a measurement of the at least one operational condition within the pumping station; and automatically running a variation of the first of the one or more pumping station profiles in response to the completion of at least a portion of the one or more pumping station profiles.
6 100271 Any suitable variation of the profile may be run. For instance, if a profile calls for the operation of a single pump, or the opening of a single valve (or the like), the profile may be varied to activate a plurality of pumps or valves (for instance) in order to speed up the completion of the profile. This can be done either as an efficiency measure, or in response to changing conditions within the pumping station and/or network. BRIEF DESCRIPTION OF THE DRAWINGS 100281 Preferred features, embodiments and variations of the invention may be discerned from the following Detailed Description which provides sufficient information for those skilled in the art to perform the invention. The Detailed Description is not to be regarded as limiting the scope of the preceding Summary of the Invention in any way. The Detailed Description will make reference to a number of drawings as follows: 10028a] Figure Ia is a schematic diagram of a pumping station for emptying a sewage well; [0028b] Figure lb is a schematic diagram of a pumping station for filling a water well; and 10028c] Figures 2-6 are schematic diagrams of a pumping station according to an embodiment of the present invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS 100291 In Figure 2 there is shown a schematic diagram of a pumping station 20 according to an embodiment of the present invention. The pumping station 20 includes a well 21 in which liquid 22 is located, a level sensor (not shown) for sensing the fluid level in the well 21, a pair of pumps 23a, 23b for pumping liquid into or out of the well 21 as required, and a controller (not shown) in communication with the level sensor (not shown) and for controlling the operation of the pumps 23a, 23b based on the sensed liquid level in the well 21. Figure 2 shows various level trigger-points (represented by arrows) along the level sensor (not shown) in the form of electrodes. The controller independently activates or de-activates the pumps 23a, 23b in response to it sensing the liquid level via the level sensor. [00301 In Figure 2, the pumping station 20 is shown in a normal operating condition. The valve 26 is open, such that fluid is permitted to flow into the well 21 through conduit 27. The level of fluid 22 in the well 21 is just below the lead pump start point 24 at which one of the pumps 23a, 23b will be activated. If the fluid level continues to rise in the well 21 to the lag 7 pump start point 25, the second of the pumps 23a, 23b will also be activated. In this way, the rate at which fluid 22 is pumped out of the well 21 through conduit 28 is increased as the fluid level approaches the high level alarm point 29. 100311 It is envisaged that, between the embodiments of the invention shown in Figures 2 and 3, a command is received by the controller (not shown) to run a profile in the pumping station 20. This command may be received in response to the fluid level in the well 21 reaching a pump start point, or it may be in response to conditions elsewhere in a network of pumping stations, or climatic conditions. [0032] In any event, the pumping station 20 in Figure 3 is shown running a "minimum storage" profile in which the fluid 22 within the well 21 is reduced to a minimum level. In this profile, the valve 26 remains open, although the lead pump set start point 24 and the lag pump start point 25 are set at much lower fluid levels than in the normal operation profile illustrated in Figure 2. In this way, the level of fluid 22 within the well 21 is maintained at a minimum level. [00331 Once the operational conditions within the well 21 (including the fluid level) satisfy the minimum storage profile requirements (i.e. at the completion of the profile), the pumping station 20 will automatically run a second profile. In Figure 4, the pumping station 20 is shown running the "maximum storage" profile. In this profile, fluid 22 is allowed to enter the well 21 through the valve 26. The lead pump start point 24 is set much higher than in the previous profiles, meaning that the well 21 is allowed to fill with fluid 22 up to this point before the pumps 23a, 23b activate to slow the rise of the fluid level. 100341 The lead pump stop point 30 and the lag pump stop point 31 are set at levels below the pump start points 24, 25 but are still located in an tipper portion of the well 21. Thus, the fluid level in the well 21 is maintained at a relatively high level, and within a relatively narrow band during the running of this profile. 100351 The profile also includes commands to shut the valve 26 as required, and to operate one pump 23a, 23b only to maintain the desired fluid level. 100361 In Figure 5, the pumping station 20 is shown when running a "purge" profile. The activation of the purge profile may occur either automatically as the previous profile (maximum 8 storage) reaches completion, or in response to a command received by the controller (not shown). [0037] In this Figure, the valve 26 is again open to allow fluid 22 to enter the well 21, and the lag pump (either 23a or 23b) is activated at the lag pump start point 25. However, the lead pump (the other of 23a or 23b) is prevented from activating from the lead pump hold out point 32 until such time as the level of fluid 22 in the well 21 has dropped to the all pumps start point 33. At this point 33, both pumps 23a, 23b are activated, and both pumps 23a, 23b operate until such time as the level of fluid drops to the all pumps stop point 34. The all pumps stop point 34 represents the completion of the purge profile. Thus, the use of the all pumps stop point 34 within the purge profile may be seen as a variation of the purge profile. 100381 In Figure 6 it is shown that, at the completion of the purge profile, the pumping station 20 returns to the normal operation profile illustrated in Figure 2. The running of the normal operation profile at the completion of the purge profile may be automatic based on the measurement of the completion of the purge profile, or it may be in response to a command received by the controller (not shown) 100391 In compliance with the statute, the invention has been described in language more or less specific to structural or methodical features. It is to be understood that the invention is not limited to specific features shown or described since the means herein described comprises preferred forms of putting the invention into effect. The invention is, therefore, claimed in any of its forms or modifications within the proper scope of the appended claims appropriately interpreted by those skilled in the art.
Claims (14)
1. A method for managing a pumping station, the method including the steps of: associating two or more pumping station profiles with the pumping station, the pumping station profiles including a plurality of parameters relating to the pumping station; measuring at least one operational and/or other condition related to the pumping station; running a first of the two or more pumping station profiles in response to a measurement of the at least one operational and/or other condition related to the pumping station; and automatically running a second of the two or more pumping station profiles in response to the completion of the first of the two or more pumping station profiles.
2. A method as claimed in claim I wherein the method further includes the step of requesting, using a computational device, at least one of the two or more pumping station profiles from the pumping station.
3. A method as claimed in claim 2 wherein the method further includes the step of receiving, with the computation device, the at least one of the two or more pumping station profiles.
4. A method as claimed in claim I wherein the two or more pumping station profiles are set up and stored remotely from the pumping station.
5. A method as claimed in claim I wherein the parameters include one or more of the mode of operation of the pumping station, the number of pumps of the pumping station, the number of pumps in the pumping station that may operate simultaneously, the activation set point of each pump, the deactivation set point of each pump, detectable faults for each pump, level alarms based on levels measured by each level sensor, pressure, the disabling of alarms under certain conditions, the number of wells of the pumping station, the rate of change of fluid levels within the pumping station, pump stop/start delays, minimum and maximum pump run times, partial or complete lock out/disablement of keypad or touch screen for maintenance, pump lock out, variable frequency drive control to determine minimum and maximum pump speeds, and detectable faults for the pumping station.
6. A method as claimed in claim 1, wherein the at least one operational condition is selected from the fluid level in the pumping station, the fluid level in the individual wells, the rate of 10 change of fluid level in the pumping station, the rate of change of fluid level in individual wells, the number of pumps operating in the pumping station, the number of wells operating in the pumping station, pump speed, valve opening percentage and the used and unused capacities of the pumping station.
7. A method as claimed in claim 1, wherein the at least one other condition is selected from temperature, atmospheric pressure, rainfall and other climatic conditions such as wind speed, other precipitation the time, calendar events, power outages, maintenance and emergency conditions.
8. A method as claimed in claim 1, wherein the profiles include one or more outputs that result in the actuation of a portion of the pumping station.
9. A method as claimed in claim I wherein the method further includes the step of updating, using a computation device, at least one of the pumping station profiles.
10. A method as claimed in claim 9 wherein updating at least one of the pumping station profiles involves previewing, using the computational device, a number of possible pumping station profiles and selecting one of the possible pumping station profiles.
II. A method as claimed in claim I wherein the method includes the management of a plurality of pumping stations, the plurality of pumping stations being interconnected so as to form a network.
12. A method as claimed in claim 1 wherein the completion of the second of the two or more pumping station profiles results in the running of a third pumping station profile.
13. A method as claimed in claim I wherein a sequence of pumping station profiles run is based on measured changes in the operation and/or other conditions experienced in the pumping station.
14. A method for managing a pumping station, the method including the steps of: associating one or more pumping station profiles with the pumping station, the pumping station profiles including a plurality of parameters relating to the pumping station; measuring at least one operational condition within the pumping station; I I running a first of the one or more pumping station profiles in response to a measurement of the at least one operational condition within the pumping station; and automatically running a variation of the first of the one or more pumping station profiles in response to the completion of at least a portion of the one or more pumping station profiles.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012244225A AU2012244225B2 (en) | 2011-10-28 | 2012-10-26 | Remote pumping station monitoring method |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2011904491 | 2011-10-28 | ||
AU2011904491A AU2011904491A0 (en) | 2011-10-28 | Remote pumping station monitoring method | |
AU2012244225A AU2012244225B2 (en) | 2011-10-28 | 2012-10-26 | Remote pumping station monitoring method |
Publications (2)
Publication Number | Publication Date |
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AU2012244225A1 AU2012244225A1 (en) | 2013-05-16 |
AU2012244225B2 true AU2012244225B2 (en) | 2016-04-21 |
Family
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Family Applications (1)
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AU2012244225A Active AU2012244225B2 (en) | 2011-10-28 | 2012-10-26 | Remote pumping station monitoring method |
Country Status (2)
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US (1) | US20130108478A1 (en) |
AU (1) | AU2012244225B2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008229982B2 (en) * | 2008-01-23 | 2009-10-29 | Multitrode Pty Ltd | Remote Pumping Station Monitoring Method |
ES2620685B1 (en) * | 2016-10-18 | 2018-04-12 | Coelbo Control System, S.L. | SYSTEM THAT INCLUDES TWO OR MORE PUMPS CONNECTED IN PARALLEL AND PRESSURE CONCEPTED TO OPERATE IN SUCH SYSTEM |
US20170254333A1 (en) * | 2017-05-19 | 2017-09-07 | LT Lighting (Taiwan) Corp. | Multi-pump system with system check |
US10634146B2 (en) * | 2017-10-25 | 2020-04-28 | SafeSump, Inc. | Water pumping control device and system |
CN109339157A (en) * | 2018-11-26 | 2019-02-15 | 威海若维信息科技有限公司 | A kind of non-negative pressure method of water supply remote monitoring system and its application method |
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US4437811A (en) * | 1980-06-30 | 1984-03-20 | Ebara Corporation | Submersible pump with alternate pump operation control means |
US4444545A (en) * | 1982-04-08 | 1984-04-24 | Sanders David F | Pump control system |
US5742500A (en) * | 1995-08-23 | 1998-04-21 | Irvin; William A. | Pump station control system and method |
US20090187382A1 (en) * | 2008-01-23 | 2009-07-23 | Multitrode Pty Ltd. | Remote pumping station monitoring |
Family Cites Families (6)
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EP1893954A4 (en) * | 2005-06-16 | 2012-05-30 | Multitrode Pty Ltd | Liquid level monitoring apparatus and methods |
US7707125B2 (en) * | 2005-12-07 | 2010-04-27 | Controlsoft, Inc. | Utility management system and method |
TWI402423B (en) * | 2006-02-28 | 2013-07-21 | Entegris Inc | System and method for operation of a pump |
US7988425B1 (en) * | 2006-06-06 | 2011-08-02 | Stingl David A | Pump and alarm control |
US8594851B1 (en) * | 2006-12-20 | 2013-11-26 | Data Flow Systems, Inc. | Wastewater collection flow management system and techniques |
US8473110B2 (en) * | 2008-11-25 | 2013-06-25 | Regal Beloit America, Inc. | Systems and methods for controlling operation of a motor |
-
2012
- 2012-10-26 US US13/661,511 patent/US20130108478A1/en not_active Abandoned
- 2012-10-26 AU AU2012244225A patent/AU2012244225B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437811A (en) * | 1980-06-30 | 1984-03-20 | Ebara Corporation | Submersible pump with alternate pump operation control means |
US4444545A (en) * | 1982-04-08 | 1984-04-24 | Sanders David F | Pump control system |
US5742500A (en) * | 1995-08-23 | 1998-04-21 | Irvin; William A. | Pump station control system and method |
US20090187382A1 (en) * | 2008-01-23 | 2009-07-23 | Multitrode Pty Ltd. | Remote pumping station monitoring |
Also Published As
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AU2012244225A1 (en) | 2013-05-16 |
US20130108478A1 (en) | 2013-05-02 |
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