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Patent Searching and Data


Matches 1 - 50 out of 7,176

Document Document Title
WO/2017/221217A1
The electric pump (1 ) comprises a motor member (6) predisposed to drive in rotation a pump shaft (8) about its longitudinal axis (A), at least one pumping stage (4) comprising an impeller (9) fixed to the pump shaft (8) and a diffuser m...  
WO/2017/214701A1
A self-regulating fire pump unit which can be controlled to operate under required conditions for sourcing a fire protection system such as sprinklers. The fire pump unit can be operated in accordance with a control curve based on detect...  
WO/2017/214257A1
A pump controller features a signal processor configured to respond to signaling containing information about three corresponding discrete arrays with respect to a discrete motor speed for each system position at a motor speed derived fr...  
WO/2017/207951A1
The invention relates to a pump (10) for circulating a fluid, comprising an inlet chamber (12), first (14) and second (16) fluid inlet openings being formed in the inlet chamber (12); a delivery chamber (18), a fluid outlet opening (20) ...  
WO/2017/198509A1
In a fist aspect the invention relates to a pump for pumping a liquid, comprising an impeller (4) and an axially extending drive shaft assembly (5), wherein a distal end of the drive shaft assembly (5) is received in a central recess (8)...  
WO/2017/196421A1
Devices, systems and methods of transferring liquids or mixtures/slurries of liquids and solids between vessels having challenging and difficult configurations and locations, and over long and short distances in a continuous or near cont...  
WO/2017/190119A1
A chemical injection unit includes an engine, a first pump, and a second pump positioned downstream from the first pump. A first hydraulic circuit transmits power from the engine to the first pump, the second pump, or both. Tanks are in ...  
WO/2017/184281A1
The pump systems (pump + driver) used in a pump station are selected based on the type of fluid or batch. The selection is of the more efficient pump systems for that batch. Less efficient pumps are avoided. When a new batch is detected,...  
WO/2017/178115A1
The invention relates to a method for adjusting the operation of an electronically closed-loop or open-loop controlled centrifugal pump unit in a hydraulic system, in particular when the unit is used for the first time. According to said...  
WO/2017/177287A2
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/176478A1
Method and apparatus for assessing health of fracturing fluid pump assemblies and other wellsite equipment. For example, predicted data indicative of a first operational parameter of a pump assembly is generated utilizing: a model relati...  
WO/2017/152967A1
A method for determining flow rate of a multiphase fluid. The method includes measuring a first pressure differential (316) of the multiphase fluid flowing through a rotodynamic pump (310) operating at a rotational speed thereby driving ...  
WO/2017/153972A1
A cover (1 ) for centrifugal pump comprising a heating element (8) which has a heating stretch (10) and two end stretches (12) connected to the heating stretch (1 0), in which the heating element (8) crosses the cover (1 ) so that the he...  
WO/2017/148846A1
The invention relates to a gear pump, having at least a first and a second rotatable element (12, 13), wherein the first rotatable element (12) has a toothing system (121) which interacts with a toothing system (131) of the second rotata...  
WO/2017/146126A1
A water supply device (1) is provided with the following: a main board (73) that is fixed to a water supply device body (100) and that controls the operation of pumps (12a, 12b); and a wireless communication board (79) that is fixed to t...  
WO/2017/139244A1
A liquid barrier trap for a pump testing and monitoring system is disclosed herein. The liquid barrier provides a barrier to exhaust gases and fluids from escaping a pit that includes the pump under test. The pit may be a sump pit or an ...  
WO/2017/127889A1
A pressure sewer control system comprises a server in communication with one or more pressure sewer installations across a communications network. Each of the one or more pressure sewer installations comprises a controller and one or mor...  
WO/2017/124198A1
In an aspect, a pump is provided and includes a pump housing having a pump inlet and a pump outlet. An impeller is rotatably supported in the pump housing for rotation about an impeller axis, and has an impeller inlet configured for draw...  
WO/2017/125294A1
The invention relates to a system comprising a container (1) and an assembly (9). The assembly (9) comprises a centrifugal pump (10) which is located in the container (1) and pumps a medium into a pipe element (14). An evacuation gap (29...  
WO/2017/125297A1
The invention relates to a system comprising a container (1) and an assembly (9). The assembly (9) comprises a centrifugal pump (10) in the container, and a motor (13) for driving the centrifugal pump (10), said motor (13) being located ...  
WO/2017/111213A1
In order to improve an air discharging device applied to a vacuum self-priming pump and more easily form a vacuum state in a pump chamber, the present invention relates to an air discharging device for a vacuum self-priming pump, compris...  
WO/2017/111212A1
The present invention, following the vacuum pump for fluids in the vacuum self-priming pump of Korean Patent Registration No. 10-791044, provides a vacuum self-priming pump capable of easily initializing and enabling work to be easily pe...  
WO/2017/106865A1
Automated operation of well site pumping equipment, including generating a mathematical belief model for maintaining an interrelationship between flow rate achievable by a pump unit discharge pressure of the pump unit, and probability of...  
WO/2017/106592A1
A fluid transport system includes at least one flow control device and a multiphase pump configured to transport fluid. At least one pump sensing device is configured to measure at least one operating characteristic of the multiphase pum...  
WO/2017/097611A1
The present invention relates to a coolant pump (5) for an engine cooling circuit (1) of a motor vehicle, having a housing (11) in which there is rotatably arranged an impeller (20) which is arranged in the housing (11) between a suction...  
WO/2017/097641A1
A switching-valve arrangement (1) for a water-channelling domestic appliance comprises a valve chamber (5), a valve-closing body (6), which is arranged in the valve chamber, a first outlet (8), a second outlet (9) and a first inlet (10),...  
WO/2017/094304A1
The present invention relates to a pump device provided with an underwater pump unit. The pump device is provided with: an underwater pump unit (1) provided with a pump (2) and an electric motor (3); a pressure sensor (13) which measures...  
WO/2017/090292A1
The present invention relates to a pump device. This pump device comprises: a pump (2); an electric motor (3); a control unit (10) including a controller (20); a fan (28) that cools the control unit (10); a first temperature sensor (24) ...  
WO/2017/085016A1
The invention relates to a feed pump for increasing pressure in a line (12), comprising a feed chamber (40) for feed fluid, comprising at least one temperature sensor (42), which is arranged in the feed pump (16), which temperature senso...  
WO/2017/085015A1
Disclosed is a pump device to be arranged on a recirculation pipe (24) in an industrial water system (10), said pump device comprising a delivery pump (116), a check valve (32) and a bypass pipe (34) for the check valve (32); the bypass ...  
WO/2017/087802A1
Systems and methods for determining the existence of a pump-off condition in an ESP system and controlling the motor to prevent fluid pound that would otherwise result from the pump-off condition. The current drawn by the ESP motor durin...  
WO/2017/080588A1
The invention relates to a method of determining whether process water is present in a circulation pump of an appliance for washing and rinsing goods, an appliance performing the method, and a computer program for performing the method s...  
WO/2017/081179A1
The invention relates to a delivery device for a vacuum distillation plant for substance mixtures that polymerize and/or decompose easily, in particular acrolein, in which plant an intermediate product formed in a preliminary stage is de...  
WO/2017/080632A1
The invention relates to a method for controlling at least one first circulation pump (17b, 17c) of a heating or cooling system (1) having a primary circuit (2, 2a) and a secondary circuit (4, 30a) coupled therewith at a transfer point (...  
WO/2017/083141A1
A method, in some embodiments, comprises: obtaining a plurality of parameters from multiple electric submersible pump (ESP) systems, an ESP in each of said ESP systems meeting one or more predetermined health criteria; identifying one or...  
WO/2017/076649A1
Coolant pumps for internal combustion engines are known, comprising a drive shaft (18), a coolant pump impeller (20) which is securely arranged on the drive shaft (18) at least in a rotationally fixed manner and via which coolant can be ...  
WO/2017/076647A1
Coolant pumps for internal combustion engines are known, comprising a drive shaft (18), a coolant pump impeller (20) which is rigidly arranged on the drive shaft (18) at least in a rotationally fixed manner and by means of which coolant ...  
WO/2017/076648A1
Methods are known for controlling a mechanically controllable coolant pump for an internal combustion engine, wherein coolant is conveyed by means of a coolant pump impeller (20) into a conveying channel (12) surrounding the coolant pump...  
WO/2017/076524A1
The invention relates to a coolant pump for the automotive industry, comprising a drive shaft (18), a coolant pump impeller (20), which is arranged on the drive shaft (18) at least for conjoint rotation and by means of which coolant can ...  
WO/2017/079309A1
A centrifugal pump includes a selectable regenerative style pumping element, including a regenerative pump rotor and at least one side wall flow channel formed by a rotating disc. The regenerative pumping element is selectable between a ...  
WO/2017/076645A1
Coolant pumps for internal combustion engines having a drive shaft (18), having a coolant pump impeller (20) which is arranged at least rotationally conjointly on the drive shaft (18) and by means of which coolant can be delivered into a...  
WO/2017/076646A1
Coolant pumps for internal combustion engines having a drive shaft (18), a coolant pump impeller (20) which is connected at least fixedly on the drive shaft (18) so as to rotate with it and via which coolant can be conveyed, an outer hou...  
WO/2017/076644A1
The invention relates to control arrangements for mechanically controllable coolant pumps comprising an adjustable control slide (56), by means of which a through-flow cross-section of an annular gap (60) between an outlet (62) of a cool...  
WO/2017/072604A1
A valve group (10) for a pump (1) of a cooling circuit of a vehicle suitable to regulate the passage of a predefined quantity of cooling liquid in the cooling circuit extractably insertable in the pump body (2). The valve group (10) incl...  
WO/2017/067371A1
A multi-dimensional sensing detection circuit, comprising an initial setting, a detection part and an execution element, wherein the detection part comprises a first arithmetic unit, a second arithmetic unit, a PID adjuster, a data compa...  
WO/2017/063969A1
The invention relates to a pump unit (12) having a pump housing, a rotor (18) arranged in the pump housing (16; 16') so as to be able to rotate, an electric motor (20) which is connected to the rotor (18) and can selectively be operated ...  
WO/2017/063970A1
The invention relates to a pump assembly comprising at least one impeller (18) which is connected for the rotation thereof to an electric drive motor (20) that can be driven in two rotational directions (A, B), and comprising at least on...  
WO/2017/059921A1
The proposed method includes an initial checking step, during which a pump (2) of a filtering circuit is operated at a given checking operation frequency (N) meanwhile a pump checking operation value (I) is measured, and using the measur...  
WO/2017/051283A1
A pump group (10) of a cooling system for an engine (550) of a vehicle comprises an electric drive (4) comprising a first one-way coupling (52), a mechanical drive (5) comprising a second one-way coupling (43), and an electromagnetic pul...  
WO/2017/048903A1
A wind turbine condition monitoring system includes a light source configured to produce an emitted light beam and a plurality of optical sensors configured to be positioned on a wind turbine to receive the emitted light beam from the li...  

Matches 1 - 50 out of 7,176