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WO/2011/129642A2 |
A test for operation over an extended period was performed on a high-power swing pump in which an independent seal device was employed, and a swing vane pump of a high-efficiency, pendulum-type wave power generating system was applied to...
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WO/2011/058296A2 |
The present invention recites a downhole motor and method of manufacture wherein a mandrel having an outer geometry that is complimentary to a desired inner geometry for the stator is provided. A flexible sleeve is provided over the mand...
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WO/2011/058294A2 |
The present invention recites a method of fabricating a stator for a downhole motor, the method comprising the steps of providing a stator tube having an interior surface and applying a bonding agent to the interior surface of the stator...
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WO/2011/058295A2 |
The present invention recites a downhole motor and method of fabricating the same, wherein the method for fabricating a stator for a downhole motor includes the providing of a mandrel having an outer geometry that is complimentary to a d...
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WO/2010/147680A1 |
An improved delivery system for pumping fluid from a pay zone to the surface of a well in which the well casing is fitted with a pump (P) lodged in the pay zone of the well, a drive head at the surface of the well and a rod string connec...
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WO/2010/113410A1 |
Provided is a rotor drive mechanism wherein the dimension of a pump device in the longitudinal direction thereof is decreased and the volume of a fluid storage space within a casing is decreased; and the accuracy of a discharge rate can ...
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WO/2010/103701A1 |
Provided is a uniaxial eccentric screw pump which can prevent the life of a bearing sliding portion from decreasing due to a thrust load applied from a high pressure side to a low pressure side. In the uniaxial eccentric screw pump (1), ...
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WO/2010/103993A1 |
Provided is a uniaxial eccentric screw pump which can prevent the life of a bearing sliding portion from decreasing due to a thrust load applied from a high pressure side to a low pressure side. In the uniaxial eccentric screw pump (1), ...
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WO/2010/092320A1 |
A multistage pump (4) comprises: • a plurality of components (50, 60, 70, 80, 90, 100, 110) comprising a plurality of pre-assembled pump modules (70, 90, 110) including at least one twin screw pump module (1, 2); characterised in that ...
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WO/2010/078892A2 |
The invention relates to a pump (1) for delivering a fluid, particularly a metering pump (1) for metering a coating agent in a coating system, having a pump inlet for feeding in the fluid, a pump outlet for discharging the fluid, and a r...
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WO/2009/129776A1 |
The invention relates to a feed apparatus (10) for screw machines (12), having two rotating disc wheels (24, 26) in order to avoid arching in the medium which is to be conveyed. As a result of the generation of asymmetrical shear forces ...
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WO/2009/124536A2 |
The invention relates to an underwater delivery unit with a pump and a drive device that is sealed against the surrounding water and a process medium. According to the invention, the pump (31) and the drive device (32) are combined into ...
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WO/2009/120670A1 |
The present disclosure provides various pumps and compressors for energizing fluids. In accordance with a preferred embodiment, pumps are provided for compressing hydrogen gas produced by electrolysis at a first location. The pump includ...
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WO/2009/062717A2 |
A progressive cavity device comprising a hollow stator having a rotor shaft positioned therein, wherein the rotor shaft is provided with rotating motion drive connections at both ends thereof.
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WO/2009/048406A1 |
The present invention relates to a cutter arrangement in pumps for pumping liquid, to cutters and cutter plates included in the cutter arrangement, and to a wobble plate pump equipped with the cutter arrangement. According to the inventi...
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WO/2009/039881A1 |
The invention relates to a gearwheel pump having a pump housing (1) which is composed of two housing parts (2, 3) and which comprises inner parts, such as in particular bearing / sealing unit (15), and two gearwheels which are provided o...
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WO/2009/038473A1 |
Abstract A progressing cavity pump (P) comprising at least an inner pump rotor (1, 1a, 1b) enclosed by at least an outer pump rotor (2, 2a, 2b) so as to collectively form one or more, in principle, separate pump cavities (19a, 19b) which...
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WO/2009/035337A1 |
A progressing cavity pump adapted for pumping of compressible fluids, comprising an inner rotor (1) having a number of thread-starts (Z) together with an adapted stator or outer rotor (2) provided with one extra thread-start (Z+l), where...
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WO/2009/031473A1 |
Provided is an uniaxially eccentric screw pump (10) comprising a male screw type rotor (14). This male screw type rotor (14) includes a rotor base member made of an iron-group material, an intermediate layer formed on the surface of the ...
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WO/2008/141361A1 |
A pump assembly to move water past a reverse osmosis membrane, said pump assembly having a first pump (10A) and a second pump (10B) each pump including: a bore having a longitudinal axis and surrounding a chamber; a first partition membe...
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WO/2008/113712A1 |
The invention relates to a gear wheel pump with two meshing gear wheels which are rotatably mounted within a pump housing by means of a driven driveshaft and a crankshaft journal and which form a pumping channel system between a pump inl...
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WO/2008/105007A1 |
A cartridge-type single-screw pump (1) is described, adapted to volumetrically batch and deliver a certain amount of a fluid contained inside storage means and to supply it to distributing means, comprising an external fixed pump body (1...
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WO/2008/062486A1 |
An improved multi-pump delivering device (1) for dye-meter is disclosed, comprising at least two delivering pumps (3), each one of which is connected as inlet (3a) to at least one respective storage tank of a colouring component and as o...
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WO/2008/035387A1 |
Pump for liquid with a density higher than 1 Kg/dm3 constituted by a chamber connected with a feed duct (1 ) and a discharge duct (2) and a liquid pushing means that slides in said chamber having a ring profile (7). The pump is constitut...
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WO2007128303B1 |
Proposed is an electrically driven rotary piston machine which operates as a rotary piston pump or rotary piston compressor, having a base housing (1) which holds an electric coil (2) and a pump head (3), wherein the pump working space i...
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WO/2008/012060A1 |
The invention relates to a geared pump for feeding products with high solid content such as granulate or animal feed, in which the two gear wheels (2) engaging with each other are enclosed in a housing (1) and are mounted, with the respe...
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WO2007136438B1 |
A gear pump is configured for pumping abrasive fluids from a well. The gear pump includes an e
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WO/2007/137927A1 |
The invention relates to a pump device (1) for feeding a delivery medium (4) out of a deep borehole (5b) which leads from a floor level (5) into the interior of the earth, which deep borehole (5b) is provided at least in sections with bo...
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WO/2007/131994A1 |
The invention relates to a gearwheel pump, composed of a housing having at least two gearwheels, which engage into one another, with in each case one shaft, which shafts are mounted in feed-medium-lubricated plain bearings, wherein a fee...
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WO/2007/069975A1 |
The present invention relates to a combined oil deaerator and oil pump in an oil heating installation, whereby the oil deaerator comprises at least one float chamber (10) with at least one float (11) , that the float chamber (10) is prov...
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WO/2007/069976A1 |
The present invention relates to a device in an oil heating installation, whereby the device comprises an Oil pump and an oil deaerator, the oil deaerator comprises at least one float chamber (10) with at least one float (11) , the float...
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WO/2007/046509A2 |
A driving device (40) used for driving a clutch (Bl, B2) included in a transmission (30) mounted on a vehicle (10), said driving device (40) comprising: a first pump (MOP) that pumps a working fluid to be supplied to said clutch (Bl, B2)...
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WO/2007/046993A1 |
Α hot melt adhesive metering pump assembly, and an integral reservoir tank fluidically connected thereto and the hot melt adhesive metering pump assembly comprises a plurality of rotary, gear-type metering pumps which are arranged in a ...
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WO/2007/014540A1 |
The invention relates to a double flow screw-spindle pump which is supported at multiple points for feeding single-phase and multi-phase mixtures, having at least one drive spindle (5) and at least one running spindle (7) which in each c...
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WO/2007/004503A1 |
An internal gear type pump (80) with a built-in motor, comprising a pump part (81) sucking and discharging a working fluid and a motor part (82) driving the pump part (81). The pump part (81) comprises an inner rotor (1) having gears for...
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WO/2006/112646A1 |
The present invention relates, in general, to a sludge pump for cutting off sludge and discharge the sludge and foreign substances, and more particularly, to the sludge pump for discharging not only the sludge but also liquid. The sludge...
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WO/2006/047998A1 |
The invention relates to a method for producing a displacer component that is coated with a diamond coating or layer as well as such a structural component (as a tribologically loaded part). In order to convey or dose a chemically aggres...
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WO/2006/048212A2 |
The aim of the invention is to provide a simple, smoothly running pump, especially a slurry pump, preferably for concrete, which comprises a driven rotor (4) rotating inside a housing (2). According to the invention, the rotor (4) is con...
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WO/2006/032414A1 |
A rotary displacement pump, comprising: (a) a stator (42); (b) a rotor including a shaft portion (8) and a radially protruding web (12) having a configuration of an undulatory disk type; (c) a scraper (110) having an engagement slot (112...
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WO/2006/030027A2 |
The invention relates to a pump inking unit of a printing machine, wherein a determined amount of ink can be dosed onto axially adjacent areas of a peripheral surface of a roller respectively by means of a discharge opening with the aid ...
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WO/2006/015218A1 |
A nonmetallic pump with a gear pump assembly having an adapter spool (93) mounted to an electric motor. The pump assembly is designed to reduce manufacturing costs and to provide access for many service and maintenance tasks to be perfor...
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WO/2005/119066A2 |
A gear (60) for use in a gear pump (2) having intermeshing gear teeth (62) includes indentations (64) formed on one or both of first and second sides of at least one of the multiple gear teeth of the gear. Each of the indentations is of ...
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WO/2005/119885A1 |
A frameless switched reluctance motor (SRM) has a stator sandwiched between two housings. Axial load on the rotor shaft is directed through a first bearing, through the first housing to the stator and through the second housing to a moto...
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WO/2005/119006A1 |
A progressing cavity rod-driven well pump (11) utilizes a tag shoulder (21) above a helical passage (17) of the stator (15). The pump stator is located at the lower end of a string of tubing (25). The tag shoulder is more restrictive tha...
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WO/2005/111452A1 |
The invention relates to mechanical engineering and can be mainly used for the petroleum industry in submersible electric pumping equipment and for machine and mechanism drives. The aim of said invention is to extend the functional capab...
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WO/2005/068837A1 |
An extruder with a gear pump, which is excellent in response in rotation, in which cost of a device is low, and which is capable of cooling a material. The gear pump of the extruder has a drive pinion installed so as to be coaxial with a...
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WO/2005/066497A1 |
The invention relates to a pump (10) which is provided with a pump housing (12) comprising a cover (28), a rear wall (14) and an envelope wall (24) disposed therebetween. The collar (120) laterally describes a pump channel (124) provided...
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WO/2005/066500A1 |
A pump (10) comprises a rotor (70) whose rotor collar (120) laterally delimits a pump channel (124) having an inlet (152) and an outlet. A sealing slide (182) that can be displaced in an axial direction rests, while sealing on both sides...
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WO/2005/066499A1 |
Disclosed is a pump (10) comprising a rotor (70) whose vane (120) laterally delimits a pumping duct (124) that is provided with an inlet (152) and an outlet. A seal slider (182) that can be displaced in an axial direction sealingly rests...
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WO/2005/066498A1 |
Disclosed is a pump (10) comprising a rotor (70) whose vane (120) laterally delimits a pumping duct (124) that is provided with an inlet (152) and an outlet. A seal slider (182) that can be displaced in an axial direction sealingly rests...
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