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WO/2009/053729A1 |
A mud pit for holding solids laden drilling fluid, the mud pit comprising a container (8) and a pump apparatus (30) having a shaft (276,332), a motor (54,334) to drive the shaft and a housing (252,336) enclosing at least part of the shaf...
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WO/2009/052554A1 |
A portable hand held controllable and directable liquid pumping device comprising a vortex pump head (1) fitted to a first end (2) of an elongate flexible drive shaft (3) and a pump driving means (4) fitted to a second end (5) of said fl...
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WO/2009/050950A1 |
[PROBLEMS] To provide an underwater aeration device enabling prevention of closure with foreign matter, performing enhanced aeration, started under a lightened load, operated with a lessened maintenance work at a lower running cost, and ...
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WO/2009/048022A1 |
A rotary wing type pump capable of handling high-temperature molten metals, especially, a rotary wing type pump capable of being used for transferring molten CaCl2 when metal Ti is produced by Ca reduction. The rotary wing pump is provid...
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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/2009/022019A1 |
The pump rotor (1) comprises a first blade (3), wherein the first blade (3) comprises a first helical-gear blade part (3a) and, adjoining the latter, a first centrifugal-wheel blade part (3b), and said pump rotor (1) comprises a hub (2) ...
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WO/2009/020420A1 |
The present invention relates to a submersible centrifugal pump assembly comprising an impeller (2) suspended in the end of a drive shaft, and driven in rotation relative to an impeller seat (5) which is stationary in normal operation an...
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WO/2009/013391A1 |
The invention relates to a separation pump (1) for pumping a fluid mixture (2) of gas (3) and liquid or suspension (4) and for separating gas (3) and liquid or suspension (4) from each other. The separation pump (1) comprising a rotatabl...
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WO/2008/143859A1 |
A method for operating a grinder pump station (100) and inhibiting the likelihood of operation of a grinder pump assembly (130) under at least one of a run dry condition and a blocked condition includes providing a wattmeter circuit (510...
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WO/2008/141381A1 |
A pump assembly and components therefor including an impeller which has flow inducer elements on an inner surface of a front shroud thereof, a flow directing device or strainer having passageways for delivering material to the impeller a...
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WO/2008/141377A1 |
A rotodynamic fluid machine such as a pump (10) comprises a pump casing (11) defining a pump chamber (13) in which a pump impeller (15) is rotatably supported on a pump shaft (19). The pump shaft (19) is rotatably supported on a bearing ...
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WO/2008/136755A1 |
The invention refers to a pump assembly, and more specifically to a chopping pump assembly comprising a cutting wheel (5) mounted on a drive shaft in coaxial and co- rotational relation with a pump wheel (1), and a cutting plate (6) stat...
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WO/2008/122077A1 |
An air diffuser device suitable for use in an air diffuser system for a centrifugal pump the pump including a pump casing with a pumping chamber therein, an impeller mounted within the pumping chamber for rotation about a rotation axis, ...
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WO/2008/116239A1 |
The invention relates to a method for pumping gas-containing suspensions, in particular fiber suspensions. The invention also relates to a device with a fluidizing rotor (5) having one or several impeller vanes (6) and a pump impeller (3...
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WO/2008/101698A1 |
The invention relates to a magnetically coupled centrifugal pump for pumping a fluid medium, comprising a housing (1) in which a separating can (3), which has a bottom (4), a shell (5) and a flange (6) clamped between two parts (2, 7) of...
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WO/2008/102530A1 |
A substance transfer device capable of transferring per unit area and unit time a large amount of substance without causing damage on the substance and, in addition, capable of vigorously discharging the substances, having been transferr...
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WO/2008/093594A1 |
An impeller (22) has a rotating shaft (7) supported by an upper bearing (9) and a lower bearing (10) to rotate freely at the upper and lower ends, a plurality of vanes (6), an arm (18) for coupling the inner circumferential side of a van...
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WO/2008/086801A2 |
The invention related to a wind farm monitoring and control system, said system comprising - at least one wind farm, - at least one intelligent management server connectable to said at least one wind farm via a data communication network...
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WO/2008/084430A1 |
A centrifugal pump for abrasive fluid. The pump may include a bearing housing mounted to a tank containing an abrasive fluid. The bearing housing may house wear-susceptible components in a manner distancing and isolating the components f...
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WO/2008/053937A1 |
A drain up device comprises a drain pan (18) for storing drain water (DW), and a drain pump (30) for sucking and discharging the drain water (DW) stored in the drain pan (18). The drain pump (30) has an impeller member (32b1) for sucking...
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WO/2008/031457A1 |
The invention relates to a method for the production of steels. A heat treatment is carried out, which is characterized in that the steel is hardened in water twice at different high temperatures, and subsequently subjected to an anneali...
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WO/2007/134740A1 |
A soldering apparatus has a container (11), in which a bath of soldering liquid (12), in particular tin, is arranged, and a pump (13), by means of which the soldering liquid (12) can be fed under pressure to at least one nozzle. The pump...
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WO/2007/127616A2 |
The cavitation heating system of the preferred embodiment includes a reservoir to contain an operating fluid, and a cavitator subsystem with an inlet to receive the operating fluid from the reservoir, a cavitator to cavitate the operatin...
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WO/2007/084056A1 |
The invention relates to a pump for pumping contaminated liquid including solid matter, comprising an impeller (1), which is rotatable in a pump chamber of said pump, the impeller (1) being movable in the axial direction in relation to a...
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WO/2007/079890A1 |
The invention relates to an impeller for a pump unit, in particular for a waste water pump unit, having two cover plates (2, A) which are spaced apart from one another in the axial direction (X) and are connected to one another by means ...
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WO/2007/071618A2 |
The invention relates to a turbo machine comprising a housing. Said turbo machine is designed especially as a turbo compressor for use at low temperatures, the housing preferably being made of a cold-resistant material that has a martens...
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WO/2007/036277A1 |
The invention relates to a pump arrangement for feeding a liquid product having a pump (2) with a suction connection and a pressure connection and with a double-acting sliding ring sealing arrangement with a sealing fluid water seal for ...
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WO/2007/020972A1 |
An artificial heart pump in which a magnetic repulsion by each of permanent magnets (3a), (5b), (5c), and (8a) is adjusted to set clearances between both end faces of a sleeve (5) and the end faces of fixed bodies (3, 8) to optimum dista...
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WO/2007/004943A1 |
The invention relates to a pump for pumping contaminated liquid including solid matter, comprising a pump housing provided with a rotatable impeller (1) suspended in a drive shaft (3) and having at least one vane (5) , and an impeller se...
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WO/2006/135304A1 |
The invention relates to a pump for pumping contaminated liquid including solid matter, comprising a pump housing provided with a rotatable impeller (3) having at least one vane (9) and an impeller seat (4), the impeller seat (4) present...
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WO/2006/116792A1 |
An air diffuser system for an impeller for a centrifugal pump has least one channel (36) with first opening (40) through the backside (14) and a second opening (42) through the front side (38) of the impeller (12). Tubes (44) are associa...
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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/2006/103435A1 |
The invention provides a method for the transportation of at least one material in a molten state from a first location to a second location, the method comprising the use of transfer means comprising a fluidic pump to effect the transpo...
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WO/2006/099921A1 |
Pump having a cutting impeller (38), counter knives (40) associated therewith, and a pre-chopper (48) which is driven by a shaft portion (46) that projects axially from the cutting impeller (38), characterised in that the counter knives ...
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WO/2006/100566A1 |
A pump for pumping a fluid, comprising impeller means (20) provided with inlet means (33) for said fluid and outlet means (37) for said fluid, further comprises passage means (16) associated with said outlet means (37) and arranged for d...
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WO/2006/081696A1 |
The present invention relates to a method of and an apparatus for feeding gaseous or liquid fluid into a medium. The method and apparatus in accordance with the present invention are especially suitable in various fields of industry for ...
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WO/2006/066388A1 |
A pump for a liquid circulation system in the oil industry and method of sizing a pumping system, said pump having a rotor and a stator each defining a surface, the rotor surface defining an helical thread having a thread height and a th...
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WO/2006/058605A1 |
A pump having an axial impeller (40) with helical blades (38) for sucking liquid through an intake opening (38) formed at a bottom side of the axial impeller (40), characterized in that the blades (38) are provided, at the bottom side of...
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WO/2006/028243A1 |
A fuel pump capable of suppressing the lowering of a discharge flow with high temperature characteristics. First and second plates (9) and (10) are fitted to a motor shaft (3) forming the fuel pump (1) so as to be opposed to each other. ...
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WO/2006/008843A1 |
A centrifugal pump includes at least one impeller (11) fixed to a main shaft (10) and at least one casing which houses the impeller and is formed through press working of sheet metal such as a steel plate. The centrifugal pump further in...
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WO/2005/103497A1 |
A pressure pump for sludge, the overall height of which is kept low to reduce its size and in which a shaft sealing section is eliminated to reliably prevent water leakage. With a motor case (2) in the middle, a cutter (23) is provided a...
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WO/2005/100796A1 |
The present invention. relates to an open or half- open channel impeller for a centrifugal pump for waste-water. The channel impeller has a substantially circular periphery and comprises a central hub with a hub axis and a hub plane to w...
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WO/2005/098239A1 |
A pressurizing centrifugal pump for scraping a fluid from a pressurizing chamber into a blade chamber by forming a blade forward inclination angle and a blade outside forward inclination angle on blades projectedly installed backwardly a...
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WO/2005/098237A1 |
A screw-centrifugal pump (1) comprises a pump housing (3) having an inlet opening (3c) and also an impeller (2) arranged within the pump housing (3) and rotatable about an axis of rotation (2d) in a direction of rotation (4a). The impe...
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WO/2005/078286A1 |
The invention relates to a cutting tool pertaining to a centrifugal pump for liquids loaded with solids. Said cutting tool comprises a rotating cutting body comprising at least one opening forming a cutting edge and through which the liq...
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WO/2005/073514A1 |
A pump casing for a centrifugal pump of the type that is used to process abrasive slurries is disclosed having at least one side or side liner that has a radially extending portion oriented toward the cutwater of the pump casing to local...
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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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