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Patent Searching and Data


Matches 201 - 250 out of 13,354

Document Document Title
WO/2013/072948A1
In a pump (10), a portion of a foot part (85) of a lower hole component (81) extends a predetermined distance farther than another foot part (85) towards the opposite side from the end surface on the exposed side of a lower hole (84), an...  
WO/2013/072997A1
Provided is a pump device which can be manufactured inexpensively without the risk of the impeller or the rotor making contact with the impeller casing even when there are rapid changes in the flow volume of a liquid drawn into the impel...  
WO/2013/071996A1
The invention relates to a pressure-encapsulated pump housing (10) that comprises a separating can (12) for sealing off said pump housing (10) on an end-face. This pump housing (10) is designed to receive a pump shaft (30), and the can (...  
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/2013/063262A1
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/2013/060311A1
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/2013/053794A1
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/2013/054301A2
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/2013/055566A1
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/2013/054301A3
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/2013/045144A1
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/2013/047027A1
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/2013/041161A3
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/2013/037775A1
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/2013/037449A2
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/2013/037449A3
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/2013/039148A1
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/2013/039144A1
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/2013/033823A1
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/2013/021014A1
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/2013/020181A1
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/2013/016000A2
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/2013/013125A2
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/2013/013125A3
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/2013/002658A3
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/2012/172417A1
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/2012/171792A1
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/2012/166438A3
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/2012/157935A3
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/2012/157799A1
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...  

Matches 201 - 250 out of 13,354