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WO/2023/131492A1 |
The invention relates to a method for the energy-optimized operation of a pump, wherein the pump has an electromotive drive and the target delivery head of the pump is controlled as a function of the volumetric flow along a preset contro...
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WO/2023/118089A1 |
The invention relates to a sensor device (7) for measuring at least one property of a liquid in a pump (1). The sensor device comprises at least one sensor (8), a wireless communication device (9) configured to communicate a wireless sig...
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WO/2023/109342A1 |
A deep-sea mining mixed transportation lifting test system for simulating a deep-sea environment. The system comprises a control platform (1), a water mixing system (2), a water drawing system (3), a mineral water separation system (4), ...
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WO/2023/108252A1 |
A protection system for automatically protecting an engine-driven pump system having an engine that drives a pump. The protection system has a pressure-sensing switch that senses a water pressure in the pump and, in response to detecting...
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WO/2023/105891A1 |
A drainage pump device (2) comprises a pump control unit (20) that controls operation of a pump unit (25) on the basis of the water level detected by a water level detection unit (24). The pump control unit (20) comprises: a weather info...
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WO/2023/105471A1 |
A multi-phase rotor comprising a disk body, an inlet to receive a liquid into the rotor, and at least one outlet configured to expel the liquid from the internal rotor cavity. A flow path is provided between the inlet and the at least on...
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WO/2023/088931A1 |
Disclosed herein are embodiments of an apparatus for detecting hydraulic shock events in a fluid system, the fluid system comprising a pump assembly, the pump assembly comprising a pump, in particular a centrifugal pump, and a pump motor...
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WO/2023/088929A1 |
Disclosed herein are embodiments of an apparatus for detecting hydraulic shock events in a fluid system, the apparatus comprising a vibration sensor operable to output a vibration sensor signal indicative of sensed vibrations of one or m...
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WO/2023/082024A1 |
A pump cradle assembly for use with a liquid reservoir that includes a sleeve portion for housing a pump that pumps liquid out of the liquid reservoir and an intake portion that is attached to an end of the sleeve portion and positioned ...
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WO/2023/078785A1 |
The invention relates to a method of controlling a power limit (P) of a circulating pump (1) comprising a critical component (4) and a first temperature sensor (5) arranged and configured to measure the temperature of the critical compon...
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WO/2023/063105A1 |
This fluid machine system comprises: an acquisition unit an acquisition unit that acquires a discharge flow rate of a target pump in addition to model identification information for the target pump, or acquires a set including discharge ...
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WO/2023/059264A1 |
A method of operating a centrifugal pump (10) having a casing forming a volute (75) in which a rotatable impeller (20) is disposed for urging a fluid material (30) into the volute, the method comprising: monitoring a fluid pressure pulsa...
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WO/2023/059263A1 |
A method of operating a centrifugal pump (10) having a casing (62) in which a rotatable impeller (20) is disposed, the rotatable impeller (20) having a number (L) of vanes for urging, when the rotatable impeller (20) rotates, the fluid m...
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WO/2023/051886A1 |
A iquid supply network (2) and a method for altering the pressure of a liquid supply network (2), wherein the supply network (2) comprises a central plant (4), wherein the central plant (4) acts as the central location in the supply netw...
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WO/2023/046486A1 |
A bearing arrangement of a pump particularly a centrifugal pump comprises: - at least one rolling bearing being capable of carrying axial loads and supporting an impeller shaft of the pump, - measuring means for an axial force acting on ...
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WO/2023/041594A1 |
The invention is a device (1) for controlling operational vibrations of a pump (2) or pump assembly arranged thereon. In some embodiments, it comprises a mounting plate (3) configured to have the pump or pump assembly arranged on a surfa...
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WO/2023/038633A1 |
A screw compressor and a compact variable volume index valve therefore are provided. The compact variable volume index valve includes a linear valve member positioned adjacent a compression chamber outlet end of a compression chamber of ...
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WO/2023/033802A1 |
Systems and methods of restarting a downhole pump for pumping downhole fluid and located in a wellbore that include determining a pump reverse rotational frequency of a downhole pump caused by downhole fluid flowing in a downhole directi...
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WO/2023/031566A1 |
The invention relates to a pump assembly (1) including a pump (2) and an electric motor (3), the motor (3) comprising a stator (4) and a rotor (5) separated by an air gap, the pump assembly including a casing (6) defining a housing accom...
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WO/2023/024284A1 |
An intelligent oil pump, comprising a casing, an impeller and an electric motor, wherein the electric motor is mounted in the casing in a sealing manner; the impeller is fixedly connected to an end portion of a rotating shaft of the elec...
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WO/2023/020928A1 |
A computer-implemented method for determining a forward flow rate of fluid flow through a pump, the pump comprising an impeller and a pump motor, the forward flow rate being responsive to the impeller being driven by the pump motor to ro...
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WO/2023/020998A1 |
The invention relates to a method for detecting a fault, in particular an impeller blockage, in a pump, in particular a centrifugal pump, having a multi-phase, in particular three-phase, drive motor, by evaluating at least one harmonic o...
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WO/2023/007261A1 |
A system includes a pump, an inlet sensor, an outlet sensor, and a controller. The pump is configured for pumping fluid in a phacoemulsification system. The inlet sensor is coupled with an inlet port of the pump and is configured to sens...
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WO/2023/001735A1 |
This invention relates to a method for operating a multi-pump system comprising two or more pumps which convey fluid in a common pressure line, the pumps being operated alternately, so that precisely one of the pumps is active or only so...
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WO/2023/000469A1 |
A multi-stage submersible pump for wells that can change the flow velocity of water. A main structure of the submersible pump is composed of a drive barrel (1), a speed regulating cylinder (2), a pump body (3), a water outlet pipe (4), a...
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WO/2023/288077A1 |
The present invention provides a sump pump system, including a sump pump monitor and application. The sump pump system includes a sump pump. Components of the sump pump system are installed in and/or near a sump. The sump collects liquid...
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WO/2023/272527A1 |
A heating control method and apparatus, an oil pump motor, and a heat exchange system. The method comprises: injecting a heating current into an oil pump motor in a cold state, wherein when the oil pump motor is not started, a torque tha...
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WO/2022/252314A1 |
A direction-of-rotation recognition structure of an oil-filled submersible pump, comprising a pump body housing, an oil through hole being provided in the pump body housing, and a direction-of-rotation recognition assembly being covering...
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WO/2022/246758A1 |
A product state quantification and remaining life prediction method, comprising: acquiring design data and running data of a product; establishing a design model of the product on the basis of the design data, executing data fusion accor...
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WO/2022/242866A1 |
The present invention is directed to a controllable mechanical motor vehicle coolant pump (10) with a coolant pump wheel (16) which is co-rotatably connected with a drive shaft (12), a transverse housing surface (28), a cylindrical inner...
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WO/2022/241937A1 |
A flexible guide vane structure of a flow-area-adjustable mixed flow pump, the mixed flow pump, and an adjustment method. The flexible guide vane structure comprises flexible guide vane blades (17) and a flexible guide vane adjusting dev...
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WO/2022/243682A1 |
Aspects of the present invention relate to a pump monitoring system (1) for identifying a fault condition in a vacuum pump (3). The pump monitoring system (1) includes a controller (23) and a microphone (37) for detecting sound waves. Th...
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WO/2022/236401A1 |
An apparatus for use in stabilising a plurality of float switches connected to a sump pump, comprising: a rigid elongate member which is substantially planar and has a plurality of spaced-apart notched openings disposed along its first l...
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WO/2022/238300A1 |
The centrifugal pump includes a flow measuring device (3) adapted to measure a delivery flow through the pump by means of a turbine wheel (32) including at least one permanent magnet (42). The flow measuring device includes at least one ...
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WO/2022/227244A1 |
A flow-adaptive guide vane adjustment device based on hydraulic transmission. The device mainly comprises a Venturi pipe (1), a hydraulic cylinder (2), a cam mechanism and hydraulic pipes (4), which are used in cooperation with a pump an...
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WO/2022/217262A1 |
A pump health monitoring system is provided. Such a system includes one or a plurality of data capture devices that together collect a multiple variable data set relating to a device being monitored such as a water pump device for a pool...
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WO/2022/207949A1 |
The invention relates to a device (D) for controlling a hydraulic pump and for regulating/adjusting/reducing the output pressure (Pwork), comprising: a housing (H) wherein a fluid inlet (I) and outlet (O) are defined; an inlet chamber (C...
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WO/2022/205766A1 |
A water shortage detection and control method for a submersible pump. Probes (Z1) are added for alternating current detection; transistor switches (N1-4, P1-2) are used to build a bridge circuit; a detection signal in an alternating curr...
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WO/2022/193364A1 |
A sinking and floating type water pump, an anti-sinking base (1), a water suctioning throat (2), a feedback device (3), a pump tank (4), a control end (5), a handle (6), and a water outlet pipe (7). The top end of the anti-sinking base (...
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WO/2022/197302A1 |
The gas seal column pump may comprise a pump drive, a gas seal column with a corrosion resistant telescoping liner, a seal gas control box, and a pump. A drive motor of the pump drive, the gas seal column, and the pump may comprise a her...
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WO/2022/193436A1 |
An intelligent detection system for a pump station, comprising: a pump station unit, a sensor, a data acquisition card, and an upper computer. The pump station unit is connected to the sensor, the data acquisition card, and the upper com...
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WO/2022/189955A1 |
A method of detecting vibration anomalies in an electronic device (D) for controlling an electric motor (M) or similar machine, by indicating when thresholds corresponding to mechanical vibrations incompatible with the relevant applicati...
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WO/2022/180109A1 |
The invention relates to monitoring and predicting the operation of a pump (30) arranged in a tank (3) for transporting a liquid product on board a vessel (1), the pump (30) comprising a pump head (31) arranged in the tank (3). A risk pa...
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WO/2022/172080A1 |
The wireless automatic controlling device for the electric water pump is designed in a way that there won't be any water pressure drop in the apartment units on every floor, which is consistent with the height and the power of the electr...
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WO/2022/173219A1 |
The present invention provides an integrated water pump and valve device, wherein a water pump and a valve are integrally controlled by a single controller, and the water pump and the valve are integrated, thus reducing the overall size ...
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WO/2022/167782A1 |
The present discloses a pump apparatus (3) having a first pump (9) and at least one controller (17). The at least one controller (17) is suitable for generating a first control signal (SOUT1) for controlling the first pump (9). The at le...
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WO/2022/166254A1 |
A pump cover, a heat pump, and a home appliance. The pump cover (100) comprises a cover body (110) and a heating device (120); the cover body (110) has an outer wall face (111) and an opposing inner wall face (112), the inner wall face (...
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WO/2022/160549A1 |
A permanent-magnetic variable-frequency constant-pressure self-priming pump, comprising a permanent-magnetic brushless electric motor (1), a water pump (2) and an intelligent control system, wherein an inner end of a lower side portion o...
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WO/2022/155318A1 |
Mobile nozzles and associated systems for cleaning pools and spas are provided. One or more mobile nozzles traverse a pool or spa, dislodge settled debris from the floors thereof, and direct the debris to one or more outlets for removal ...
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WO/2022/146346A2 |
The present invention relates to a water supply system and a liquid collection system (1) for increasing the co-operation efficiency of the pumps (3), especially in applications comprising multiple liquid pumps such as catchment areas. A...
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