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WO/2021/137854A1 |
This disclosure presents a dimensionless relationship between a fluid flow rate, a viscosity, and a brake horsepower (BHP) in a pump operation and a method that uses the dimensionless relationship to predict a BHP for viscous performance...
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WO/2021/134063A1 |
A method of hydraulic fracturing includes providing a fracturing fluid to a pump (50). The pump (50) includes a pressure sensor (64) for measuring pressure at a fluid end (56). The method further include injecting the fracturing fluid fr...
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WO/2021/122782A1 |
A flow delivery system is for delivering and monitoring a liquid flow, using a pump, and a monitoring device (e.g. a flow meter). A controller determines if the flow is a liquid flow or a gas flow by reducing a drive signal for the pump ...
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WO/2021/123155A2 |
Described is a twin ended pump apparatus comprising: a housing; a first pump at one end of the housing, said first pump comprising an impeller driven by a rotor of an electric motor, said impeller causing a fluid to flow out of a pump ch...
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WO/2021/119608A1 |
A system for the resilience of an electric submersible pumping system to a transient power interruption includes a power backup connected to the variable speed drive of the pumping system. A method for controlling the electric submersibl...
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WO/2021/118558A1 |
Some embodiments of the present disclosure relate to a method that includes disposing a vapor pump partially within an enclosure, such that the vapor pump is in fluid communication with the enclosure and an external environment, and wher...
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WO/2021/116141A1 |
A method for operating a fluid conveying device (4), in particular a pump, a fan, a compressor or a valve, by way of a control unit (14), wherein the fluid conveying device with a deactivated emergency running mode is switched on at leas...
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WO/2021/110202A1 |
The invention relates to a pump unit (100) and to a method for controlling same, in particular for actuating and/or providing a supply to at least one component of a drive train of a motor vehicle by means of at least one setpoint volume...
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WO/2021/104637A1 |
A method for determining the working point of a pump (1) during its operation comprising the steps of: - measuring the amplitudes (A) of the pump's vibrations with a vibration detector (6) that is mounted to the outside of a housing (2) ...
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WO/2021/108200A1 |
A sand fallback tool having an outer tubular body with proximal end, a distal end, a chamber therebetween surrounding an axis extending from the proximal end through the distal end, a tubular flow divider supported within the chamber to ...
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WO/2021/099988A1 |
A fluid-dynamic pump (1; 100) which is suitable for circulating water in an aquarium (90) comprises a rotary device (3; 300), an electric motor which is suitable for moving the rotary device, a pump body (2; 200) inside which there is pr...
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WO/2021/096531A1 |
A system includes an electric submersible pump (ESP) configured for pumping fluid through a flow path. An autonomous inflow control device (AICD) is included in fluid communication with the flow path to separate one of gas or liquid out ...
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WO/2021/087783A1 |
An air discharge control method for a water pump, a movable platform, a spraying apparatus, and a storage medium. The method comprises: (S201) obtaining the current state parameters when a water pump works; (S202) determining the current...
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WO/2021/087166A1 |
A method according to one embodiment includes receiving real-time sensor data from a plurality of pump sensors, wherein each pump sensor of the plurality of pump sensors is configured to generate sensor data associated with at least one ...
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WO/2021/075650A1 |
The present invention relates to an inverter booster pump system using an automatic valve and a method for driving the inverter booster pump system, the inverter booster pump system being provided with an auxiliary pressure sensor and an...
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WO/2020/107969A9 |
A pump, comprising a pump body (1). The interior of the pump body (1) is provided with a pump chamber (2); the interior of the pump chamber (2) is provided with an impeller (3); the tail of the pump body (1) is provided with a motor (4) ...
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WO/2021/062241A1 |
Systems and methods for preventing rotation of an ESP motor when the motor is not powered on, thereby preventing the motor from acting as a generator when fluid flowing through the pump section of the ESP applies a torque to the motor. I...
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WO/2021/052613A1 |
The invention relates to a hydraulic arrangement (HA) for an apparatus (AV) for blocking optical workpieces (L), such as eyeglass lenses, from associated block pieces (B), comprising a nozzle arrangement (DA) for delivery of high pressur...
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WO/2021/051165A1 |
A sensing device for a centrifugal slurry pump having an impeller which rotates about an axis, the centrifugal slurry pump including a side liner and a main liner housed within an outer casing of the pump, the sensing device comprising; ...
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WO/2021/050932A1 |
Pumping and water distribution systems for pools/spas, and methods for control thereof are provided. A system includes a pump including a variable speed motor, a controller configured to control the speed of the motor, a plurality of poo...
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WO/2021/037735A1 |
The invention relates to a controllable coolant pump (1) for internal combustion engines, having a pump housing (2), a drivable pump shaft (4) which is rotatably mounted in the pump housing (2), an impeller (5) which is arranged on a fre...
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WO/2021/039025A1 |
The present invention relates to a pump device for transferring a liquid. The pump device is provided with a pump (1) having an impeller (5), an electric motor (7) for rotating the impeller (5), and an inverter (10) for driving the elect...
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WO/2021/037445A1 |
The invention relates to a controllable coolant pump (1) for internal combustion engines, having a pump housing (2), a drivable pump shaft (4) which is rotatably mounted in the pump housing (2), an impeller (5) which is arranged on a fre...
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WO/2021/039976A1 |
The present invention pertains to a pump device for pumping a liquid, and, in particular, pertains to a technology for removing foreign matter contained in a liquid when an impeller bites into the foreign matter. The pump device comprise...
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WO/2021/029387A1 |
A storage unit (21) is configured so as to store a drive electric current of an underwater pump (5) detected by an electric current detection unit (23). An identification unit (22) is configured so as to calculate at least one of a plura...
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WO/2021/018364A1 |
A fluid pump (100) includes a fluid inlet (104), a fluid channel (108), a fluid outlet (106), a motor (114), a pair of electrodes (128), a capacitance sensor (124), and a current sensor (120). The fluid pump (100) is configured to monito...
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WO/2021/008410A1 |
Disclosed are a submersible pump circuit and a submersible pump using the circuit. The submersible pump circuit comprises: a control and signal generation circuit (1) for receiving a direct-current signal, and performing inversion proces...
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WO/2021/008941A1 |
The invention relates to a method for controlling an arrangement comprising a heating pump for circulating a heating medium in a closed heating circuit and a three-way mixer valve, of which the first inlet is connected to a boiler, the s...
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WO/2021/002067A1 |
The objective of the present invention is to provide a pump device with which it is possible for the stoppage time of an underwater pump when an abnormal operating state arises to be made shorter than in a conventional case.　This pump ...
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WO/2020/258439A1 |
A multi-purpose pump implementing liquid level detection by means of photoelectric sensing, comprising a housing (1), an upper cover (2), a motor (3), a pin (4), a motor plug board (5), a power wire (6), a power plug board (7), a water p...
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WO/2020/254363A1 |
The invention relates to a method for controlling a heating circulating pump with a variable rotational speed in a hydraulic heating system, wherein the pump controller specifies the setpoint delivery head and adapts the rotational speed...
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WO/2020/254380A1 |
The invention relates to a pump arrangement (1) for conveying a liquid, in particular for conveying waste water or service water, which comprises a pump housing (3) and an impeller (4), rotatably arranged in the pump housing (3) about a ...
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WO/2020/254149A1 |
The invention relates to a method for controlling a circulation pump having variable speed in a hydraulic system, in particular a heating system, wherein the pump control specifies the setpoint discharge head and adjusts the speed of the...
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WO/2020/257767A1 |
A method of monitoring a condition of a dynamic system includes installing a vibration signal acquisition device at a predetermined location of the dynamic system, acquiring vibration signals by the vibration signal acquisition device, a...
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WO/2020/244927A1 |
The invention relates to a method for operating at least one fluid-conveying device (10), in particular a coolant pump, for detecting dry running of the at least one fluid-conveying device (10), wherein the fluid-conveying device (10) co...
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WO/2020/232508A1 |
A pump controller for installation in-line between a pump and a piping infrastructure, the pump controller including: a flow passage extending therethrough between a fluid inlet and a fluid outlet; a valve in the flow passage between the...
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WO/2020/227462A1 |
Apparatus, systems, and methods of monitoring and controlling electric power consumption by one or more pump jacks at one or more oil and gas well sites.
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WO/2020/221620A1 |
The present invention relates to a slurry pump of centrifugal pump design for the transport of pumping media with highly abrasive solid particles comprising a pump motor, a frequency converter and a motor controller, wherein the motor sh...
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WO/2020/212330A1 |
The invention relates to a method for preventing or reducing mechanical vibrations of a pump, in particular a centrifugal pump, during pump operation, wherein a frequency converter and a pump control are provided and the pump control det...
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WO/2020/208500A1 |
A pump assembly (100, 100') for a household appliance (200), the pump assembly (100, 100') comprising: a conduit (1) for the passage of liquid, comprising a casing (11), which extends between an inlet (12) for the liquid and an outlet (1...
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WO/2020/206556A1 |
Apparatus and methodologies are provided for pumping fluids from a body of fluids. Herein, an apparatus operably connected to at least one pump for pumping fluids from a body of fluids is provided, the apparatus having a pump hose with a...
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WO/2020/206403A1 |
Systems and methods for real-time monitoring and control of well site operations employ well site edge analytics to detect abnormal operations. The systems and methods use machine learning (ML) based analytics on an edge device directly ...
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WO/2020/193328A1 |
The invention relates to a system for cleaning (100) sensors/transmitters (200, 300) for a motor vehicle, in which a control unit (140) is configured to receive a piece of information (210, 310) requesting activation of a first and/or a ...
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WO/2020/193000A1 |
A method for operating a water treatment plant, which comprises a phase of detecting anomalies in the operation of the plant, characterized in that the anomaly-detecting phase comprises the implementation of the following measures: - dat...
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WO/2020/190748A1 |
A pit pump of a drilling fluid recycling system where the pit pump is driven by a liquid cooled electric drive motor that is cooled by a cooling liquid. The pit pump can stay submerged in the used drilling fluid within the pit indefinite...
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WO/2020/187958A1 |
The invention relates to a method for detecting the occurrence of snoring during operation of a machine intended for transporting liquid, the machine comprising an impeller and being operatively connected to a control unit.The method is ...
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WO/2020/180006A1 |
The present invention relates to a pump-integrated submersible motor and a pump-integrated submersible motor control device, which are operated by wireless power, wherein, since the submersible motor uses wireless power, elements exposed...
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WO/2020/173980A1 |
The invention refers to a pump device having at least one chamber (22) or conduit containing or provided for containing a liquid, a concentration sensor (24) arranged in said chamber (22) or conduit for detecting a concentration of a sub...
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WO/2020/165037A1 |
The invention relates to a method for controlling a variable speed circulation pump in a hydraulic system, particularly in a heating system, comprising the method steps of adjusting the pump speed in dependence on a control curve, which ...
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WO/2020/161624A1 |
Method and device for controlling a wastewater tank pumping system comprising a level input of the wastewater tank and one or more control pump outputs for controlling variable outflow pumps, and an electronic data processor connected to...
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