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WO/2005/052365A2 |
In accordance with an embodiment of the present invention, a pump assembly for circulating a supercritical fluid is disclosed. The pump assembly comprises an impeller for pumping fluid between a pump inlet and a pump outlet; a rotating p...
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WO/2005/050024A1 |
Disclosed is a diverter (2) for directing particles that cause wear in a slurry pump (20) away from the stationary face of a slurry pump. The diverter (2) comprises a protrusion that directs particles back into the collector of the pump ...
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WO/2005/045254A2 |
In one aspect, there is provided a wear plate for use in combination with a centrifugal pump and impeller. The wear plate has a wear surface defined by a substantially flat surface, a truncated conic section, and/or a curvilinear solid o...
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WO/2005/038260A1 |
The present invention relates to a centrifugal pump for pumping of liquids containing pollutions mainly in the form of solid particles, which pump comprises a drive unit, a hydraulic unit, whereby the hydraulic unit comprises a pump hous...
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WO/2005/035979A2 |
A centrifugal pump is provided for use with fluids, gases, and solids in connection with a drive shaft and a motor. The pump has a housing and a sloped impeller mounted on the shaft within the housing. The housing has opposing inlet mean...
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WO/2005/035447A2 |
A two-stage sewage grinder pump (10) having two impellers (30, 32) and a grinder (60) attached to the motor shaft (24). Preferably, both impellers are vortex impellers and are positioned between the grinder and the motor. The motor housi...
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WO/2005/024243A1 |
A pump housing assembly which includes a pump casing (12) and a liner (20), the pump casing (12) including at least two parts (13, 14) which are adapted to be connected together in an assembled position wherein the pump casing (12) inclu...
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WO/2005/014444A1 |
A bulk materials pump feeder having a housing (10) and a rotating drive rotor (18) for transferring material from an inlet (12) to an outlet (14) of the housing. The drive rotor has a hub (20). Drive disks (24) extend away from the hub t...
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WO/2005/009619A2 |
Axial adjustment apparatus is provided in a centrifugal pump to effect adjustment of the impeller relative to adjacent pump elements. Specifically preferred is adjustment apparatus in a chopper pump that provides adjustment of the impell...
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WO/2005/008067A2 |
A pump impeller (10) and associated cutting elements (12) are disclosed which are especially designed and positioned near the periphery of the impeller to reduce the size of entrained solids in a pumped fluid, or slurry, and to expel suc...
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WO/2005/002732A1 |
A centrifugal pump of the chopper type is disclosed which is structured with a chopper plate (46) and impeller (32) that are configured with an open eye or “hubless” arrangement such that processing of solids through the pump does no...
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WO/2004/111463A1 |
An impeller for use in a centrifugal pump, the impeller (20) including a shroud having opposed faces, an outer peripheral edge portion and a rotation axis, a plurality of pumping vanes on one of the faces of the shroud and extending away...
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WO/2004/110681A1 |
The invention relates to a device for supplying casting installations with molten metal. Said device comprises a crucible into the melt of which a dosing pump dips and supplies a discharge tube (12) communicating therewith with melt. The...
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WO/2004/096320A1 |
An artificial cardiac pump, comprising an impeller (3) rotatably supported on a fixed shaft body (2) in a housing (1) and a drive mechanism rotating the impeller, wherein blood is taken in from the front side and force-fed to the rear si...
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WO/2004/067863A1 |
In performing the method according to the invention the sewage accumulating in the transfer tank is periodically drawn away and is, in given circumstances, stirred in such a manner that the sewage is guided into the pump horizontally or ...
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WO/2004/065796A1 |
The invention relates to a non-chokable pump for delivering liquids mixed with solid admixtures, comprising a casing (1), an uncovered impeller (2), and an open space between the impeller and the suction-side casing wall (10). The casing...
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WO/2004/059173A1 |
A removable casing liner (10) in a centrifugal pump for processing heavy duty slurries containing abrasive particles has a selectively configured volute (60) which is asymmetrical in axial cross section along the circumference of the cas...
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WO/2004/046555A2 |
An impeller system for use in a molten metal pump, the impeller system including a generally cylindrical outer wall with outlets therein, an impeller lid mounted on the impeller walls, the impeller lid including a plurality of inlets, wi...
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WO/2004/040142A2 |
A molten metal pump system which generally provides a refractory connection joint for connecting a refractory pump post to a pump base, the pump post including a refractory post with a first end, the first end including an internally thr...
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WO/2004/040143A1 |
A molten metal pump system (100) which generally provides a refractory connection joint for connecting a refractory pump post (104) to a pump base (101), the pump post (104) including a refractory post (106) with a first end, the first e...
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WO/2004/029464A1 |
A suction diffuser comprising a housing (12) and a strainer element (11). The element (11) is arranged within the housing (12) with its axis in line with the direction of inlet flow into the strainer so that, in operation, incoming conta...
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WO/2004/024613A2 |
A pump housing that contains a pump that draws fuel from an underground storage tank containing fuel to deliver to fuel dispensers in a service station environment. The pump is coupled to a double-walled fuel pipe that carries the fuel f...
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WO/2004/003389A1 |
The invention relates to a method for conveying a liquid F containing at least one (meth)acrylic monomer by means of a pump, in which the pumping space and driving space are separated from one another by a separating space. Said separati...
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WO/2003/091572A1 |
The invention relates to a centrifugal pump, in particular a spirally-housed centrifugal pump for a heat exchange medium, comprising a spiral housing (14) that has an impeller (40), a housing cover (18) and a housing shoulder (34) alloca...
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WO/2003/087580A1 |
A bulk materials pump feeder having a housing and a rotatable drive rotor mounted in the housing for transferring material introduced into the housing through an inlet to an outlet for discharge of the material from the housing. The driv...
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WO/2003/078844A2 |
A self priming pump system that includes a motor (16) coupled to a centrifugal pump (12) for driving the centrifugal pump. A separator (10) having a reservoir (30) is provided for storing a limited amount of pumped fluid in advance of th...
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WO/2003/074163A1 |
A system for producing a metal foam comprises a bath containing a molten metal, a rotating shaft or impeller extending through the base of the bath into, and submerged in the molten metal, and a gas discharge nozzle provided on the subme...
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WO/2003/074881A1 |
A fluid feed device (A) capable of eliminating a trouble with a drive motor due to heat and pressure by preventing heat and pressure from being transmitted from a rotating shaft side to a drive motor side even if fluid is hot, wherein fl...
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WO/2003/070299A1 |
An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same are disclosed. One embodiment ...
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WO/2003/052274A1 |
The invention relates to a method and a device (10) for transporting flowable building material in a heated state. According to the invention, a pump (12) and a pipe (14) connected to said pump (12) are provided. The pump (12) and the pi...
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WO/2003/036097A1 |
A pump for conveying fluids and mixtures of fluids comprises a housing (1) and at least one throttle gap seal provided in said housing (1) in order to reduce the pressure in a throttle gap along a rotating part (2) of the pump, whereby t...
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WO/2003/036095A2 |
A molten metal pump and impeller system (160) including an impeller body with a center portion with a shaft aperture (161) therein, a plurality of vanes (164) extending outward from the center portion, each vane including a radially inwa...
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WO/2003/019012A1 |
An impeller shaft assembly (10), coupler, and molten metal pump, in which a coupling member (20) is configured to be secured to a pump drive shaft (18) and includes a socket part (21) that is defined by a socket wall (22) formed about an...
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WO/2003/010451A1 |
An arrangement (120) of members for a throat bushing for rotary fluid equipment includes a first member (122) that is useful for seal cavities that contain conventional packing, and a second bushing member (132) that will be used in conj...
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WO/2003/006088A1 |
An artificial heart pump equipped with a hydrodynamic bearing, comprising a casing (4, 15) having a blood inflow port (5) in the upper region and a blood outflow port (6) in the side surface and having a plurality of electromagnets (22) ...
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WO/2002/101245A1 |
Apparatus (10) for use with a slurry pump, including a stationary part (12) which includes a processing chamber (13) having an inner side wall (16) and a central axis, an inlet (14) and an outlet (15) to and from the processing chamber (...
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WO/2002/099287A1 |
The invention relates to a pump (1) comprising a pump feed tube (13) for transporting a heat exchange medium (6) for a reactor containing a bundle of catalyst tubes (2). The pump (1) has a housing (14) that surrounds the pump feed tube (...
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WO/2002/075047A1 |
A device for pumping a pulp suspension and simultaneous abduction of gas from the suspension. The device comprises at least one pulp pump (1) with a housing (2) with inlet (3) and, respectively, outlet (4) for the suspension and an outle...
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WO2001002724A9 |
A blood pump (500) preferably has a magnetically suspended rotor (502) that rotates within a housing (506). The rotor (502) may rotate about a stator (504) disposed within the housing. Radial magnetic bearings (560) may be defined within...
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WO/2002/041935A1 |
The invention relates to a miniature motor which actuates an impeller wheel (12) and rotates in a pump housing (14). The exciting winding of the micromotor is surrounded by an enveloping return structure (18) made of ferromagnetic materi...
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WO/2002/028786A2 |
Wastewater can be treated using a combination of a settleable solids separator, such as a vortex separator, a membrane separation system and a gas floatation separation system.
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WO/2002/008610A1 |
The invention concerns a sanitary shredder comprising at least a channel feeding water into a caisson (1), an electric motor whereof the axis has at its end a rotor pump (5) with blades (6), and shredding means opposite the shredding cha...
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WO/2001/098667A1 |
A drainage pump capable of reducing operating noise, wherein a drainage straightening ring (30) is vertically provided on the outer periphery of the vanes (22) of an impeller (20) and on the outer peripheral edge of drain guide surfaces ...
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WO/2001/094069A2 |
Cracks in the shaft (7) of a reactor coolant pump adjacent a tapered end (7t) on which the impeller is mounted are removed by a machining a circumferential groove (41) in the pump shaft to a depth and an axial length which removes the cr...
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WO/2001/090581A2 |
A liquid manure tank truck (1) is equipped with a pipeline system (5) through which the tank (4) of the liquid manure tank truck (1) can be filled with liquid manure and emptied again. A pump aggregate (P) consists of a rotary pump (11) ...
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WO2000057056A9 |
A pump assembly and related components for pumping water, sewage or other pumped material from one location to another are disclosed. The pumping system includes a motor (534) coupled to a centrifugal pump and a separator defining a rese...
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WO/2001/072351A2 |
In a centrifugal flow blood pump, usable in left ventricular assist applications, blood is pumped from an inlet (16) to an outlet (22) by a primary impeller (18). A portion of the blood that enters the pump follows a secondary channel (2...
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WO/2001/066951A2 |
A thermal barrier for a nuclear reactor coolant pump includes a stack of pancake cooling coils encircling the pump shaft where it enters the pump chamber. This stack of coiling coils has an irregular peripheral surface formed by axially ...
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WO/2001/058814A1 |
A residence (13) discharges its waste water into a septic tank (10). A pump (18) draws waste from the tank's liquid layer and feeds it to a distiller (22) as distiller feed. The distiller (22) divides the distiller feed into distillate a...
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WO/2001/055601A1 |
A centrifugal pump (10) having a pump housing (40) that defines a substantially axial inlet port (32), a substantially radial inlet port (34) and an outlet port (30). An impeller (42) is rotatable within an impeller chamber (58) defined ...
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