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Patent Searching and Data


Matches 401 - 450 out of 13,818

Document Document Title
WO/2013/071020A3
A centrifugal pumping system having a stack of impellers and diffusers for pressurizing fluid. The impellers are rotated by a motor for pressurizing and lifting fluid from within a wellbore. Undulating profiles are provided on leading ed...  
WO/2013/070410A3
An impeller vane includes at least one groove on a high pressure or working surface of the impeller vane to increase pump efficiency and reduce pump power requirements. The impeller vane includes a groove or a plurality of grooves formed...  
WO/2013/069418A1
The pit barrel pump has a suction vortex-preventing means that does not cause a reduction in pit size or decreased performance. The vertical pump is provided with: a pump suction port provided at the lower end for suctioning the working ...  
WO/2013/068806A3
A water pump (1) has a pump section (11) having radial impeller blades (10), a rotational shaft (12) for rotating the radial impeller blades (10), and a motor section (13) provided in the rear of the pump section (11) and driving the rot...  
WO/2013/064857A1
The invention is a device for the transmission of power by means of rotating magnetic fields, comprising a drive shaft (2) with an external magnet (3), a pump shaft (4) with an internal magnet (5) suited to entrained by said external mag...  
WO/2013/060311A1
The invention relates to a magnetic drive pump comprising a shaft having a through-hole and an impeller-sided sliding bearing and a sliding bearing which is at a distance from the impeller, an inner magnetic rotor (4) being arranged on t...  
WO/2013/063262A1
A pump monitoring device (32, 110) is configured to be connected to a case drain (30) of a pump (12). The device (32, 110) includes a manifold (34, 112) having an inlet (48, 120) for connection to the case drain (30). A flow rate sensor ...  
WO/2013/060312A1
The invention relates to a conveyor element (1) which comprises a shaft (2) having a through-hole (26) and a sliding bearing (4, 4a, 4b), a first drive element (17) being arranged on the shaft (2). Said conveyor element in the preferred ...  
WO/2013/055566A1
Vibration of an electric submersible pump assembly is monitored to produce a vibration spectrum. The vibration spectrum is compared to a known vibration signature for a pump condition that precedes gas lock. The pump condition is at leas...  
WO/2013/054301A2
The invention relates to a pump (1) comprising a motor (2), a drive shaft (3) and an impeller connected to the drive shaft (3), said motor (2) comprising a stator (4) and a rotor (6) of hybrid type, wherein the hybrid rotor (6) comprises...  
WO/2013/054301A3
The invention relates to a pump (1) comprising a motor (2), a drive shaft (3) and an impeller connected to the drive shaft (3), said motor (2) comprising a stator (4) and a rotor (6) of hybrid type, wherein the hybrid rotor (6) comprises...  
WO/2013/053794A1
The invention relates to a pump arrangement for delivering a fluid, comprising - a pre-supply pump (11), - a high-pressure pump (12), and - a driveshaft (13) for driving the pre-supply pump (11) and the high-pressure pump (12), wherein -...  
WO/2013/047027A1
A pump is provided with a motor (17), an impeller (16) which is rotated by the motor (17) to cause fluid to flow, and a pump case (13) and a separation plate (2) which form a pump chamber (11) in which the impeller (16) is housed. The mo...  
WO/2013/045144A1
The invention relates to a cooling circuit pump for a motor vehicle, having a stator which is arranged in a motor housing (14) and in which a rotatably mounted rotor is received. It is proposed that the stator (12) is received in the mot...  
WO/2013/047035A1
This pump is provided with a coil-wound stator, a rotor having a magnet, an impeller, a separating plate, and a pump case forming a pump chamber in which the impeller is accommodated. In the stator the coil is wound on an insulating cove...  
WO/2013/048256A1
The invention provides a high pressure water injection pump system, comprising at least two water injection pump units connected in series, each pump unit comprising a motor in a motor compartment operatively connected to drive a pump in...  
WO/2013/041161A3
The invention relates to a split case for a magnetic coupling, comprising a substantially cylindrical peripheral area (3) and a base (2), wherein the base (2) has, on an inner face (20) of the base directed toward the interior of the spl...  
WO/2013/037449A2
The invention relates to an electromotive pump assembly (1), in particular a water pump of a motor vehicle, having an electric motor (12), a printed circuit board (13), control electronics and a pump impeller (9) in a pump housing (2). T...  
WO/2013/039144A1
A magnetic coupling pump comprising an encapsulated-type impeller, and a casing for covering the impeller so that the impeller can rotate about a rotational axis and move in the direction of the axis that extends from the rotational axis...  
WO/2013/037449A3
The invention relates to an electromotive pump assembly (1), in particular a water pump of a motor vehicle, having an electric motor (12), a printed circuit board (13), control electronics and a pump impeller (9) in a pump housing (2). T...  
WO/2013/037775A1
The invention refers to a Switchable mechanical coolant pump (10) comprising a pulley wheel (12) co-rotating with and supported by a rotatable rotor shaft (16), the pulley wheel (12) being directly drivable by a combustion engine, a pump...  
WO/2013/039148A1
Provided is a drive device for a magnetic coupling pump, in which leakage of magnetic flux to the outside and the effect of external magnetic fields are suppressed. This drive device for a magnetic coupling pump comprises: a drive magnet...  
WO/2013/033823A1
According to embodiments described in the specification, a pumping system for use in a tailings pond is provided. The pumping system comprises a pump support and at least one mooring element coupled to the pump support. The at least one ...  
WO/2013/030705A1
The machine (1) for the treatment of fabrics according to the invention comprises a treatment tank (3) arranged for containing the fabric or other material to be treated (TC) and a treatment liquid. The head losses that the treatment liq...  
WO/2013/028594A3
A system, method, and apparatus for compressing a process fluid are provided. The system includes a sealed housing configured to be submerged in a body of water, and a compressor disposed in the sealed housing and including a compressor ...  
WO/2013/026775A1
Apparatus comprising: a pump (1) having a pump drive shaft (2) for operating the pump, a first motor (7) connected via a first flexible coupling (8) to drive one end of the shaft and a second motor (10) connected via a second flexible co...  
WO/2013/028594A2
A system, method, and apparatus for compressing a process fluid are provided. The system includes a sealed housing configured to be submerged in a body of water, and a compressor disposed in the sealed housing and including a compressor ...  
WO/2013/020181A1
The invention resides in a swimming pool pump which is able to operate at a low speed and a high speed, the pump automatically switched between the low speed and the high speed each time power is supplied to the pump.  
WO/2013/021014A1
The invention relates to a rotary pump, comprising a rotor (1, 1', 1") having delivery elements (3, 3', 3", 4, 4', 4") which deliver at least a portion of a fluid in the axial direction of the rotor. Two delivery elements or groups of de...  
WO/2013/016000A2
An electromagnet comprises a plurality of nested freestanding electrically insulating former layers, and electrically conductive wire wrapped around the outsides of the freestanding electrically insulating former layers to define a multi...  
WO/2013/015432A1
Provided is a fluid machine that generates high pressure in a continuous flow of a fluid, and prevents the occurrence of structural trouble. A channel for a fluid is formed inside a turbo-mechanism fluid machine structure and a rotatable...  
WO/2013/013125A3
An axial pump system cooperative with an elbow or other pipe section improves conversion of tangential to axial flow of a slurry flowing through a loop reactor by including both primary and secondary outlet guide vanes in the pipe sectio...  
WO/2013/013125A2
An axial pump system cooperative with an elbow or other pipe section improves conversion of tangential to axial flow of a slurry flowing through a loop reactor by including both primary and secondary outlet guide vanes in the pipe sectio...  
WO/2013/010952A1
The electropump comprises a body (2) which shapes an internal cavity for an impeller (5) arranged coaxially to the inside of said cavity. A motor unit (10) is axially associated with the body (2) and is provided with a motor shaft (11) s...  
WO/2013/002658A3
Subject of invention is multi-pole axial flux motor, especially for centrifugal pump, especially segmented, axial flux synchronous motor, with three phase voltage, controlled by frequency converter. Multipolar axial flux motor is charact...  
WO/2012/174718A1
Disclosed are a single-phase permanent magnet rotor electric pump only rotating in a right direction and its realization method. The method comprises the following steps: controlling the size of a water chamber (3) within a water pump bo...  
WO/2012/173985A3
Systems and methods of cooling a motor of an electrical submersible pump (ESP) assembly employed in an electrical submersible subsea booster pumping system, are provided. A supporting frame structure such as an ESP mounting skid or top e...  
WO/2012/171792A1
The invention relates to an immersion pump (1), comprising an integral housing (2) having an inlet opening on the intake side, an outlet opening on the delivery side and a passage for electrical lines, an electronic unit for processing p...  
WO/2012/172417A1
The start-up unit (1) for electric motors of compressors or the like comprises a ran condenser (2) which can be connected to an electric motor (M) of a compressor or the like, a start-up condenser (3) connected in parallel to the run con...  
WO/2012/173985A2
Systems and methods of cooling a motor of an electrical submersible pump (ESP) assembly employed in an electrical submersible subsea booster pumping system, are provided. A supporting frame structure such as an ESP mounting skid or top e...  
WO/2012/166438A3
A fluid compression system is disclosed having a hermetically-sealed housing with at least a motor and a compressor arranged therein. The motor may drive both the compressor and a blower configured to circulate a cooling gas throughout t...  
WO/2012/166438A2
A fluid compression system is disclosed having a hermetically-sealed housing with at least a motor and a compressor arranged therein. The motor may drive both the compressor and a blower configured to circulate a cooling gas throughout t...  
WO/2012/166325A1
A compressor (22) has a housing assembly (40) with a suction port (24), a discharge port (26), and a motor compartment (60). An electric motor (42) has a stator (62) within the motor compartment and a rotor (64) within the stator. The ro...  
WO/2012/161424A1
The present invention relates to an external motor-type bidirectional pump which is applied to an anti-heeling device for preventing inclining or shaking of a ship, and said external motor-type bidirectional pump comprises: a motor unit ...  
WO/2012/157799A1
The present invention relates to a damage prevention packing for an underwater motor pump, wherein the packing has a cone shape in which a body, which encases a pumped water pipe, is divided in half along a lengthwise direction and the c...  
WO/2012/157935A3
The present invention relates to a water-pump motor, in which an air gap between the magnet of a rotor and a stator core is minimized so as to enable the use of an inexpensive ferrite magnet, wherein a stator core adopting an outer windi...  
WO/2012/158277A1
Method and apparatus for moving liquid cryogen at relatively low pressures and at high volumes. An axial rotor pump (70) may have housing (71) with a substantially vertical tubular space (86). The axial rotor pump may pump liquid cryogen...  
WO/2012/153169A1
A dredging apparatus (1) is described for removing sediments from a bed (F) of an expanse of water (S), comprising: a suction apparatus (5) including a) a submersible pump (18) including: a housing body (17) provided with an inlet mouth ...  
WO/2012/152599A1
The invention relates to a pump assembly comprising an electric drive motor (1) and a centrifugal pump (3), which is configured as a submersible pump. Said pump has a suction mouth (5) and a swirl breaker (15, 16), which is arranged upst...  
WO/2012/153169A8
A dredging apparatus (1) is described for removing sediments from a bed (F) of an expanse of water (S), comprising: a suction apparatus (5) including a) a submersible pump (18) including: a housing body (17) provided with an inlet mouth ...  

Matches 401 - 450 out of 13,818