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JP7353743B2 |
To provide a control unit and a pump device capable of appropriately controlling retry operation of a variable speed control device when the same is stopped by a protective function.A control unit of a pump device performs variable speed...
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JP7353744B2 |
To provide a control unit, a pump device and a variable speed control device capable of appropriately controlling retry operation of a variable speed control device when the same is stopped by a protective function.A control unit of a pu...
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JP2023134982A |
To provide a water supply device capable of avoiding a water failure as much as possible.A water supply device 1 includes at least one pump 3, at least one inverter 5 for variably controlling the rotational frequency of a corresponding p...
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JP7349958B2 |
To provide a temperature monitoring system capable of more accurately detecting an operating state of a pump, a rotating machine system, a portable terminal and a temperature monitoring method.A temperature monitoring system (11) include...
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JP7341476B2 |
To provide a water supply device which enables one of a plurality of processors mounted on a single substrate to detect abnormality in another processor and perform back-up operation.A water supply device comprises a processor mounted su...
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JP7332651B2 |
A blood pump system includes a pump housing and an impeller for rotating in a pump chamber within the housing. The impeller has a first side and a second side opposite the first side. The system includes a stator having drive coils for a...
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JP2023112397A |
To provide a water level prediction device, a water level prediction method, and a program that enable highly accurate water level prediction that contributes to improvement of pump control performance.A water level prediction device of ...
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JP2023106073A |
To eliminate labor for inputting inspection work scheduled for a pump device, to a management device in advance.A pump device according to an embodiment comprises a pump part, an operation part, and a notification part. The pump part sup...
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JP2023105968A |
To provide a life determination system for a hydraulic pump that can accurately grasp its residual life.A life determination system 4 for a hydraulic pump 11 to be driven by a motor 2 includes a pump controller 5. Every time a predetermi...
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JP7307703B2 |
To provide a wet type motor pump which achieves improvement of accuracy of predictive maintenance and enables reduction of a risk of failure caused by a trouble of an electric circuit, and to provide a wet type motor.A wet type motor inc...
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JP2023094732A |
To provide a pump diagnosis method capable of effectively diagnosing a submerged pump regardless of a liquid level.A pump diagnosis method comprises: a measurement step #10 of starting a pump in a state where a pump is stopped, measuring...
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JP2023092549A |
To provide a device and a method of detecting fall of water from an operating pump more accurately, and to provide a draining system including such the device of detecting fall of water.A draining system includes: a pump with an impeller...
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JP7297656B2 |
To provide a rainwater inflow amount prediction apparatus capable of lowering a risk of flooding and reducing the number of pump starts and stops in a rainwater pump dynamic control by predicting a rainwater inflow amount to a rainwater ...
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JP2023086556A |
To disclose one example of a water supply device capable of reducing a fluctuation in the pressure of supply water, caused when the number of motor pumps to be operated is changed.A second acceleration time Ta2 during an increase in the ...
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JP2023086557A |
To disclose one example of a configuration capable of improving operation convenience of a water supply apparatus.A water supply apparatus 1 includes a sound input section 12. The sound input section 12 is one example of input means for ...
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JP7293916B2 |
To provide an electric pump system capable of early detecting that an electric pump is out of order.An electric pump system 100 comprises a control circuit unit 81a that operates submersible electric pumps 3a and 3b alternately, and base...
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JP2023084166A |
To provide a drainage pump device which can reduce the flooding damage at a monitoring point.A drainage pump device 2 comprises: a water level detection part 24 for detecting a water level at a monitoring point; a pump part 25 for draini...
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JP7293106B2 |
To provide a simulation device and a simulation method, that can obtain simulated operation results without performing actual operation to change an operating water level and a stopped water level in each of water storage facilities of a...
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JP2023080883A |
To efficiently perform activation and deactivation of a drain pump.A rainwater drain pump control device of the present embodiment comprises a variable-speed pump dynamic control unit which varies a first activation water level indicatin...
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JP2023078117A |
To provide a manhole pump diagnosing method that can perform, even with a small physical quantity, an accurate diagnosis of an abnormality due to various causes.A manhole pump diagnosing method includes: a sampling step of calculating, o...
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JP7286523B2 |
To reduce a probability of stopping water supply due to an overheat protection, when the water supply is restarted after stopping the water supply due to the overheat protection of an inverter.A pump facility 10 has a pump 20, a motor 21...
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JP7283980B2 |
To provide a pump system which inhibits occurrence of a gas lock to improve the operation rate of a pump, and to provide a control method of the pump system.A pump system includes: a pump having pump bodies which pump underground crude o...
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JP7282607B2 |
To provide a pump device that can cope with wide ranges of discharge flow rates and discharge pressures and can save energy, and appropriately control pump parts depending on a connection state of the pump parts.A control unit used for a...
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JP2023072978A |
To disclose one example of a water supply device which can inhibit an electric pump from operating at an excessively high rotation speed while securing a necessary water supply amount.In target pressure control, a value of a target press...
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JP2023072979A |
To disclose one embodiment of a water supply system that can determine a target pressure to a proper value.A water supply system 1 includes: a flow-rate sensor Fs capable of continuously detecting a water supply amount; and a control dev...
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JP2023072980A |
To disclose one example of a water supply device which can control execution of a freezing prevention function without using an outside air temperature sensor.A water supply device 1 determines whether a freezing prevention function is e...
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JP2023072981A |
To suppress the stopping of water supply or the decreasing of water supply amount, immediately after switching to pump controlling by a control board for backup.A first pump control portion 51 and a second pump control portion 52 simulta...
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JP2023062599A |
To provide a method and a program for management that can specify an operation mode for a vertical shaft pump more readily than before.A method for managing a vertical shaft pump using physical quantity data based on physical quantity as...
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JP7262742B2 |
To provide a water supply device capable of detecting failure of a flow rate detector separately from change of a water supply amount.A water supply device 1 includes: pump devices 11 each having a pump 32 and a motor 31 driving the pump...
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JP2023057444A |
To provide a submerged electric pump that allows a user to grasp the state of a pump body by using a state detection sensor without directly checking the pump body.A submerged electric pump 100 comprises: a pump body 1 including a motor ...
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JP7260770B2 |
To provide a control device for the number of pumps to properly control the number of operated pumps, and to provide a control method for the number of pumps and a control program for the number of pumps.A control device for the number o...
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JP7261028B2 |
To provide a water supply device capable of operating a pump without interposing a control unit.The present invention relates to a display manipulator to be used in a water supply device comprising: a pump which is driven by a motor; a p...
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JP7254331B2 |
To provide a pump device which can detect a flow rate with linear output at low costs.A pump device 1 includes: a pump 11; a motor 12 connected to the pump 11; a discharge pipe connected to the pump 11; at least two pressure sensors 17 w...
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JP7252117B2 |
To provide a pump device capable of automatically setting an appropriate threshold used for diagnosis to minimize a downtime.A pump device 1 comprises: at least one pump 10; a detection unit 19 that detects a state value used for the dia...
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JP7250578B2 |
To provide a telemeter which continues communication even when an arithmetic unit hangs up.A telemeter 110 has: an arithmetic unit (microprocessor) 119 which is connected to a dedicated line 117 and generates a telegraphic message; a bac...
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JP7247010B2 |
To provide a preceding standby type pump which can prevent a failure of an underwater bearing and continuously perform stand-by operation even when supply of lubrication water to the underwater bearing is interrupted.A preceding standby ...
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JP7245015B2 |
To provide a control unit capable of promptly starting a pump when a start condition of the pump is satisfied, and a pump device.A control unit for a pump device is proposed which performs variable speed control on at least one motor-dri...
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JP2023039686A |
To provide a water supply device and a control panel capable of preventing occurrence of water hammering in a case where a pipe is not filled with water.A water supply device 1 includes: a pump 21; a motor 22 for driving the pump 21; a d...
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JP7231294B1 |
An object of the present invention is to simply and accurately determine the length from the injection port to the tip of the discharge pipe when the tip of the discharge pipe of a liquid supply pump is inserted into the injection port o...
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JP7224887B2 |
To provide a boost water supply device and a control method of the boost water supply device capable of being stably controlled.A boost water supply device includes a pump, a back flow prevention device disposed at a primary side of the ...
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JP7224176B2 |
The invention provides a diagnostic method of an inspection well pump and a diagnostic device of the inspection well pump which can accurately perform abnormality diagnosis based on various reasons even with less physical quantity. The m...
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JP2023503582A |
Separation elements comprising microfluidic channels can use hydrodynamic separators or flow routing elements to separate particles in a fluid. A particle sensor can be used to count the particles in each microfluidic channel. Unique ori...
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JP2023013090A |
To detect erroneous detection of a full water detector and/or a waterdrop detector.A pump that is installed at a position above a suction water level, is provided with a full water detector, and is provided with a waterdrop detector at a...
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JP2023008488A |
To continue an operation at a time of an instantaneous power failure shorter than a time when a count of a timer is reset.A control apparatus for controlling a star-delta circuit of a dynamo-electric motor, comprises: a first terminal B1...
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JP2023005109A |
To suppress large difference between a detection value detected by a first flow sensor and a detection value detected by a second flow sensor, in a case where a rotation speed of an impeller of a first electric pump and a rotation speed ...
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JP7207187B2 |
To provide a submerged motor-driven pump system which can accurately detect a water level and operate a plurality of submerged motor-driven pumps efficiently and alternately.A submerged motor-driven pump system 100 is configured such tha...
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JP2023005111A |
To disclose an example of a specific earthquake occurrence detection device, and an example of a water-supply system using the earthquake occurrence detection device.The earthquake occurrence detection device (earthquake detector 33) det...
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JP7207188B2 |
To provide a submerged motor-driven pump which can automatically accurately stop to efficiently operate.A submerged motor-driven pump 3a, 3b includes a submerged motor-driven pump body 31, a control part 32 which controls an operation of...
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JP7202144B2 |
To provide a pump device, a pump system and a wireless communication method, in the pump system provided with a management unit capable of performing wireless communication with a plurality of pump devices, which enable the pump system t...
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JP2022183793A |
To provide a technology which is effective for suppressing an erroneous notification of abnormalities in two pumps which are linked through water transfer.A pump abnormality notification device 10 for notifying abnormalities in two pumps...
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