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Patent Searching and Data


Matches 1 - 50 out of 7,281

Document Document Title
WO/2018/162291A1
The present invention relates to a method for operating a circulation pump, in particular a heating circulation pump, having a variable-speed pump drive, wherein the pump controller modifies the actual operating point of the pump in orde...  
WO/2018/162044A1
The present disclosure relates to the pump 100, 500. The pump 100, 500 includes a housing member 108, 508 having a first end portion 110, 510 and a second end portion 112, 512 distal to the first end portion 110, 510. The pump 100, 500 f...  
WO/2018/162290A1
The present invention relates to a method for operating a variable-speed circulation pump, in particular a heating circulation pump, wherein the pump controller detects by sensors at least one physical pump operating variable and indirec...  
WO/2018/162555A1
The present invention relates to a method for controlling the rotational speed of a centrifugal pump that is operated in an open hydraulic circuit, wherein the controller of the pump control calculates a desired rotational speed of the p...  
WO/2018/162547A1
The invention relates to a method for operating a circulation pump in a twin pump construction, wherein the circulation pump comprises at least two separate individual pumps, the pressure ports of which converge to form a common output p...  
WO/2018/157261A1
Method and system for determining the real-time flow into a wastewater pump station using analog level sensing technologies. An Accurate Level Generator mechanism supplies an accurate mean value out of multiple readings for each level us...  
WO/2018/158197A1
The invention relates to a circulation pump assembly (22) comprising an electric drive motor (10) and an electronic controller (12) for controlling the drive motor (10). The controller (12) is designed to control the rotational speed of ...  
WO/2018/154464A1
A pump assembly and a method for sensing rotary motion of the pump therein are disclosed. The pump assembly includes a pump, a controller, and an optional driven electric motor. The components may be axially aligned and mounted relative ...  
WO/2018/154099A1
In a fist aspect the invention relates to a method for controlling a pump (2) in connection with first activation of the individual pump (2) following a connection of the individual pump (2) to a power supply, said pump (2) being configu...  
WO/2018/150247A1
The invention relates to a pump assembly comprising a first liquid pump unit which has a first impeller that can be rotated in a first pump housing cavity and comprising a second liquid pump unit which is arranged downstream of the first...  
WO/2018/147027A1
Provided is a binary power generation system comprising: a working medium circulation path; an evaporator; an expander; an energy recovery device; a condenser; and a pump. The pump includes: a casing; a rotation shaft; and impellers. The...  
WO/2018/145000A1
A pump features a liquid sensing device (LSD) in combination with a housing. The LSD senses the level of a liquid collecting outside the pump and turns the pump on/off for pumping the liquid. The housing includes a housing wall to contai...  
WO/2018/141445A1
Flow-limiting valve (30) having a cage (60) which can be inserted into a fluid duct (112) and which has a first axial end and a second axial end, having a closure element (80) that is mounted on the cage so as to be able to move axially ...  
WO/2018/137019A1
A dual pump unit having a pair of pumps that provide parallel hydraulic paths, and are configured to operate concurrently in opposite rotational directions. The dual pump unit has a sealed casing which includes a suction flange, two volu...  
WO/2018/131275A1
A vertical pump comprising: a rotating shaft; multi-stage impellers configured so as to rotate in conjunction with the rotating shaft; a casing housing the multi-stage impellers; a mechanical seal provided in a section of the casing pene...  
WO/2018/129349A1
A dynamic power optimization system and method for electric submersible motors. A system to optimize operation of an electric submersible motor electrically coupled to a variable speed drive controlled by a computer performing dynamicall...  
WO/2018/128004A1
A pump device according to the present invention has: a pump part having a motor; and a control device. The control device has: a drive circuit unit that energizes the motor; a control unit that controls the drive circuit unit; and a fau...  
WO/2018/127906A1
A system that includes a flexible tank for transporting water with a flexible inner bag and discharge hole, a pump with pumping tube and an intermediate air box that has a water inlet, a water outlet, and an upper air opening. When conne...  
WO/2018/122016A1
A sensor assembly (2) configured to perform fault detection in a pump assembly comprising an electric motor (70) and a fluid pump (30) is disclosed. The sensor assembly (2) comprises a housing (4) configured to be mechanically attached t...  
WO/2018/122025A1
The invention relates to a method for operating an electronically controlled pump assembly (1), wherein, in an electronic controller (6), setting parameters of the pump (2) can be adjusted to adapt to the hydraulic requirements of the lo...  
WO/2018/123452A1
The present invention relates to a pump device. This pump device is provided with: an impeller (1), in which a permanent magnet (5) is embedded; a pump casing (2) that houses the impeller (1); a motor stator (6) having a plurality of sta...  
WO/2018/114646A1
The invention relates to water pump, in particular a garden pump or a pump of a home water machine, which has a pump unit in a housing (GE), which pump unit can be driven by means of an electric motor and can pump water form a suction li...  
WO/2018/114660A1
The invention relates to a pump arrangement (2) for arranging on a nuclear reactor and for conveying exchanger liquid which is heated in the reactor, having a motor part (4) and a pump part (3) which has a housing (7), wherein a diffuser...  
WO/2018/114667A1
The invention relates to an electric-motor-driven pump (1) having control electronics (6) for connecting at least one sensor (5). The control electronics (6) are designed to capture the output signal (9) of the connected sensor (5) conti...  
WO/2018/112598A1
A system for monitoring a status of a submersible pump, comprising at least one sensor measuring at least a first parameter of the submersible pump, at least one visual indicator, a controller in communication with the at least one senso...  
WO/2018/112080A1
A pump system comprising a primary AC pump, a control unit having a wireless communication module, and a back-up battery for powering the control unit. The wireless communication module is configured to communicate via a primary wireless...  
WO/2018/104533A1
The invention concerns a vent structure of a pumping unit (6) for pumping effluents containing volatile organic compounds, the structure comprising a discharge pipe (1) for discharging gases contained in the effluents into the atmosphere...  
WO/2018/106726A1
In some embodiments of the present disclosure, systems and methods for monitoring operation of a pump are provided. In some embodiments, a system comprises: a pressure switch, comprising: a PCB within a housing; a power supply; a wireles...  
WO/2018/086878A1
The invention relates to an electric coolant pump (1) comprising a pressure-controlled valve device (6) arranged on an outlet side, said device comprising a coolant inlet (3), a first coolant outlet (4) and a second coolant outlet (5). T...  
WO/2018/089998A1
A pumping system featuring a pump, motor, a bearing assembly, integrated data acquisition system and combined programmable logic controller (PLC), data acquisition and modem. The pump couples to a pump shaft that responds to a pump shaft...  
WO/2018/086851A1
The invention relates to a motor vehicle (12) comprising an internal combustion engine (13), a radiator (14), a heat exchanger (15), a coolant pump (1) and a pressure-controlled valve device (6) arranged separately on the inlet side and ...  
WO/2018/086886A1
The invention relates to an electric coolant pump (1) for delivering a coolant (2), which cooling pump can be adjusted between multiple operating points, comprising at least one first coolant inlet (3, 3'), at least one second coolant in...  
WO/2018/084000A1
This pump device has a pump unit having an electric motor, and a control device. The control device has a drive circuit unit that energizes the electric motor, and a control unit that controls the drive circuit unit. The pump unit and/or...  
WO/2018/077527A1
A multiphase pump for conveying a multiphase process fluid is proposed having a common housing (2) surrounding a pump unit (3) and a drive unit (4), wherein the housing (2) comprises a pump inlet (5) and a pump outlet (6) for the process...  
WO/2018/073704A1
A regulation assembly (1) of a water pump group (500) for a cooling system (900) of a vehicle. The regulation assembly (1) comprises an inlet port (11), at least two outlet ports (121, 122, 123) and a regulation chamber (10) located betw...  
WO/2018/073477A1
System with two pumps (B1, B2) connected in parallel to a delivery manifold (1) and two electronic pressure switches (P1, P2) provided with a pressure sensor (S1, S2) connected to the delivery manifold (1) and designed to alternate their...  
WO/2018/053736A1
A submersible pump system and a submersible pump thereof. The submersible pump comprises a protective housing (1), and a pump body (2), an electric motor (3) and a control device (4) which are provided in the protective housing (1). An o...  
WO/2018/047072A1
A pressure relief device (1) for a centrifugal pump (50) comprising a shear pin(3), a piston (4) and a rod (6), the rod (6) having a first end (6a) and a second end (6b) and the piston (4) having a top face (4a) and a bottom face (4b), t...  
WO/2018/038710A1
The speed of a pump may be controlled to reduce cavitation and to reduce flow and pressure fluctuation in the pumped fluid. A system for pumping a fluid may comprise a pump, a primary mover coupled to the pump, and a controller coupled t...  
WO/2018/020457A1
A cover (1 ) for a centrifugal pump which comprises a heating element (8), which has a heating stretch (10) and two end stretches (12) connected to the heating stretch (10), wherein the heating element (8) crosses the cover (1 ) so that ...  
WO/2018/018146A1
A system for removing a volume of liquid including a pressure-sealed-pump- vessel, at least one liquid-aperture, a liquid-level-control-valve, a liquid-discharge, a sump- pump, a pressure-sealed-suction-vessel, and one or more vessel-con...  
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...  

Matches 1 - 50 out of 7,281