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WO/2014/105099A1 |
An engine feeds, at either the periphery or the center of one of the pumps, either compressed then heated air or products of combustion into centrifugal expanders in series. This invention is also a set of related inventions, comprising ...
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WO/2014/086730A1 |
A back-to-back centrifugal pump is described. The pump comprises a pump inlet (111), a pump outlet (119) and a pump shaft (107). The pump further comprises a set of first stages (113) and a set of second stages (115) in a back-to-back ar...
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WO/2014/077275A1 |
This device for measuring dynamic characteristics is provided with: magnetic force generators (1a, 1b, 2a, 2b) that are positioned at the back sides of impellers (4, 5), and vibrate the impellers (4, 5) via magnetic forces; a vibration c...
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WO/2014/078236A1 |
A pump system for high pressure, high volume applications is presented. The pump system includes a turbo-shaft engine having a drive shaft and a high pressure, high RPM centrifugal pump coupled to the drive shaft. In certain embodiments ...
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WO/2014/067704A1 |
The subject matter of the invention is a turbomachine for a motor vehicle having an electric drive 2 and a pumping stage 4, wherein the pumping stage 4 has at least two rotors 6, 7 which are arranged in a housing 5 with an inlet 12 and a...
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WO/2014/008535A9 |
A pump includes a pump casing that defines a pump chamber, the pump casing having an inlet and an outlet. An impeller is arranged with respect to the pump chamber to displace fluid from the inlet into the pump chamber. A vortex shaping m...
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WO/2014/051070A1 |
Provided is a liquid transport device that enables a liquid to be pumped and transported at a constant speed by using centrifugal force and a simple configuration. A liquid transport device (1) is provided with the following: a U-shaped ...
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WO/2013/171053A1 |
To provide a pump device (10) for conveying a fluid (11), comprising a plurality of pump elements (70), which are each mounted for rotation about an axis of rotation (78), and which create a pressure difference by rotation about the axis...
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WO/2013/143446A1 |
A charging pump for a nuclear power plant comprises a stator member (1), a rotor member (2), a bearing member, and a shaft seal device (4). The stator member (1) comprises a pump head (11), a cylindrical body, and a tail plate (14). The ...
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WO/2013/120549A1 |
The invention relates to a seal arrangement for a high pressure chamber (11) with a bounding element (12) and a terminating element (13). The bounding element (12) has an outer sealing surface (14) and the terminating element (13) has an...
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WO/2013/087387A1 |
The invention relates to a water lifting system, in particular a fire extinguishing system for offshore installations, such as oil and/or gas production platforms or ships or the like, comprising a pump (3) having a suction opening and a...
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WO/2013/090168A1 |
A method for injection molding a thermoplastic composition that contains a polyarylene sulfide and a boron-containing nucleating agent is provided. By selectively controlling certain aspects of the polyarylene sulfide and nucleating agen...
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WO/2013/085433A1 |
The mainline electric oil pump assembly relates to the field of assemblies for pumping oil in main oil pipelines. The aim of the present invention is to create a mainline electric oil pump assembly with improved technical and economic ch...
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WO/2013/071877A1 |
A rotating container and a fluid filtration device and a system using the rotating container. The rotating container (4) comprises an outer shell (33), the outer shell (33) is provided with an input pipe placing port (3) and an output po...
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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 -...
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WO/2013/031343A1 |
Provided is a multi-pressure centrifugal turbo machine which can supply a plurality of pressure levels by means of one centrifugal turbo machine. One centrifugal impeller (15) which rotates within a casing (11) is provided with: one flui...
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WO/2013/023038A1 |
Apparatus is provided featuring a casing assembly, a shaft and an integral bellows type mechanical face seal. The casing assembly has an enclosing tube configured to house a stationary bearing and to contain lubricating oil. The shaft is...
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WO/2013/023050A1 |
Apparatus, including a vertical double-suction pump, is provided featuring a pump casing and a double suction impeller arranged therein on a shaft. The pump casing has a pump casing wall. The double suction impeller has upper and lower s...
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WO/2013/011105A2 |
A multistage centrifugal turbomachine (1) comprising: - a rotor assembly (3) including a shaft (4) carrying a first and a second impeller (1 0, 11); - a stator (2) including a passage (5) for a fluid flowing from an outlet side (10b) of ...
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WO/2013/000033A1 |
A centrifugal pump and liner components for pumps are described, the pump including: two pump casings; a wear resistant ceramic liner is located between the casings; and wherein at least one region of polyurethane is provided between the...
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WO/2012/072068A9 |
The invention relates to an axial flow-type coolant pump that is mechanically driven by a pulley, a gear, a plug-in shaft, or the like for internal combustion engines. The aim of the invention is to develop an axial-flow coolant pump for...
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WO/2012/076839A9 |
A controllable Omnidirectional wind speed accelerator for increasing the power output from any wind turbine consisting of: a number of radial vertical fins and sloping vanes surrounding a vertically mounted wind turbine, which as a mouth...
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WO/2012/145287A2 |
A submersible centrifugal pump is disclosed. The submersible centrifugal pump includes a pump housing having a pump intake disposed generally opposite a pump outlet. A shaft extends at least partially through the pump housing and is adap...
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WO/2012/140225A1 |
The invention relates to a submersible, comprising an electrochemical battery activated by an electrolyte, which is to produce the electrical power for powering said submersible, the electrochemical battery comprising: an electrochemical...
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WO/2012/138545A2 |
A cooling system for a rotating machine, such as a centrifugal compressor. Specifically, the cooling system may be configured to cool radial and axial magnetic bearings in the rotating machine and the bearing control system that controls...
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WO/2012/097440A1 |
The present invention relates to a multistage centrifugal pump design, which has the diffusers, impellors, and a shaft, inserted within a high pressure housing, such that this assembly is fully enclosed within the housing, and the housin...
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WO/2012/081562A1 |
Disclosed is a multistage pump wherein fluid boosted in pressure by a final stage impeller is guided to a discharge opening through a final stage diffuser (21c), wherein a discharge flow path (22) which guides the fluid from the final st...
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WO/2012/069703A1 |
A pump (1) for mixing two or more mutually insoluble liquid phases together into a dispersion and for feeding the dispersion into a mixer (2) and on into a solvent extraction settler (3). The inner space of the blade wheel housing (12) i...
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WO/2012/028181A1 |
A rotary pump (1), comprising a magnetic rotor (3) which is arranged in a pump housing (2) and which has a magnetic rotor plane (310), which rotor (3), for the delivery of a fluid (4), is operatively connected to a drive (5). On the pump...
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WO/2012/003386A2 |
Durable pumps for abrasives are provided. In one implementation, an example centrifugal pump or pump stage for subsurface operation has a thrust washer located inside the circumference of a close-fitting clearance seal between an impelle...
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WO/2011/157485A1 |
The invention relates to a double-flow centrifugal pump, in particular a cooling water pump for a marine diesel engine or ballast water delivery pump, having a pump housing (2) and having a double-flow impeller (7) rotationally fixedly a...
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WO/2011/142980A2 |
A Tuned Mass Damper (TMD) for damping oscillations of a hanging vertical pump structure includes a removable mass symmetrically configured within the pump structure diameter and supported by a mechanism which provides damped mobility rel...
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WO/2011/089512A2 |
A centrifugal pump (1) having a pumping assembly (2) provided internally with a rotary supporting shaft (4) and with at least one centrifugal impeller (3) fitted to the supporting shaft (4); the centrifugal impeller (3) having a central ...
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WO/2011/086775A1 |
A water discharge pump configured in such a manner that, with a cylindrical suction opening (12) immersed in a drain pan, a small impeller (22) within the suction opening (12) is rotated to suck water into the suction opening (12), where...
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WO/2011/055392A1 |
The present invention relates to a new device for pumping fluid, the pump having chamber which revolves around a central pressure pipe. Other rotating parts of the pump revolve around this same axis such that the pressure pipe functions ...
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WO/2011/047602A1 |
Disclosed is a pipeline pump shaped by stamping and welding, which comprises a pump body (1), a base (2) provided on the bottom of the pump body (1), a pump rear cover (3) and a motor (4) disposed at an opening end of the body (1), and a...
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WO/2011/042646A1 |
The invention essentially relates to a double cylinder pump (1) for pool maintenance, said pump being characterized in that it includes: - an electric motor (2) having a drive shaft (3) on one of the ends thereof, - a high-speed, low-pre...
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WO/2011/032549A1 |
The invention relates to an axial-radial turbomachine (1), comprising: an axial part (10) having at least one axial stage (11), a radial part (20) having at least one radial stage (21), a housing (30) having an interior space, which is d...
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WO/2011/026678A1 |
The invention relates to a centrifugal pump (100), in particular for a coolant in a motor vehicle, comprising a first centrifugal pump stage (102) having a first pump housing (108), and a first impeller (110) rotatably mounted therein, a...
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WO/2011/017075A1 |
A caisson for submersible pumps and method of operating a pump that is fluidly cooperative with the caisson. The pump discharge and the caisson are fluidly coupled to one another such that upon discharge of a fluid being pumped, the cais...
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WO/2011/014988A1 |
A centrifugal pressure pump and an energy transformation device using the same are provided, wherein the centrifugal pressure pump comprises: an outer casing (10) having a circular pump chamber, in the outer casing (10) being provided a ...
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WO/2011/000821A1 |
Turbomachine for increasing the pressure of a fluid or mixture of fluids, comprising an inlet and an outlet, a casing, a rotatable shaft arranged in the casing, diffusers or similar operatively arranged in the turbomachine, and a means f...
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WO/2010/133405A1 |
The present invention relates to a pitot tube pump comprising at least one supply line and at least one discharge line as well as a hydraulic chamber and a drive, wherein the drive, supply line and discharge line are arranged on a common...
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WO/2010/074979A1 |
A pump includes: (a) an elongated pump housing having first and second ends: (b) a primary impeller mounted in the housing for rotation about an axis, the impeller comprising a plurality of vanes whose outer tips define an impeller plane...
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WO/2010/026077A1 |
The intermediate housing floor according to the invention for a fluid kinetic machine (1) comprises a partial joint (19) at which the intermediate housing floor (13, 14) can be divided during installation and/or removal into/from the flu...
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WO/2010/007780A1 |
A centrifugal pump impeller (11) is provided with an impeller body having an inner flow path (35) formed therein, and also with a single centrifugal impeller (37) mounted to the impeller body such that the position of an exit (34) is the...
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WO/2009/096226A1 |
Provided is a rotary-type fluid machine, which can be run practically and effectively in an extremely low specific speed range. The rotary-type fluid machine (1, 1') comprises an impeller (10, 10') connected integrally to a rotating driv...
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WO/2009/090099A1 |
The invention relates to a rotor, which is produced from sheet metal, of an in particular multi-stage centrifugal pump, having means for fastening to the drive shaft of an electric motor, wherein the rotor has a central coaxial opening i...
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WO/2009/051593A1 |
A pump (10) includes a stator housing (22), a stator (20) supported in the housing, and a rotor assembly (30). The rotor assembly (30) includes a rotor (32) supported in the housing for rotation relative to the stator (20) about an axis ...
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WO/2008/139023A1 |
A pump comprising a body (1) that is a cylindrical vertical container (10), which is upwards open, its interior (2) being defined by a planar bottom (11) that comprises a central inlet (3), and by a first side wall (12) that comprises an...
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