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Matches 1 - 50 out of 5,181

Document Document Title
WO/2018/063820A1
An active magnetic bearing system includes a radial actuator and an axial actuator. The radial actuator includes a radial stator coupled to a stationary component, and a radial rotor coupled to a rotatable impeller. The radial rotor exte...  
WO/2018/053560A1
A slurry pump with a drive shaft, an expeller mounted to the drive shaft, a stuffing box on a shaft sleeve and spaced apart seals on the shaft sleeve with an annular cylindrical gap around the shaft sleeve between the seals.  
WO/2018/053559A1
A slurry pump with a sleeve liner through which extends a drive shaft, a lantern ring around the sleeve liner, and passages which direct a flushing fluid through the lantern ring and then through an annular gap between sleeve liner and t...  
WO/2018/047072A1
A pressure relief device (1) for a centrifugal pump (50) comprising a shear pin(3), a piston (4) and a rod (6), the rod (6) having a first end (6a) and a second end (6b) and the piston (4) having a top face (4a) and a bottom face (4b), t...  
WO/2018/049435A1
An impeller (40) which includes a shroud (44) and primary vanes (46) on a surface (44A) of the shroud, wherein the cross sectional profile of each vane, on any plane which is parallel to the shroud surface (44A), lies on a first closed p...  
WO/2018/049438A1
A slurry pump impeller which has an inlet of diameter D and a machined annular surface of width W around an axis of rotation, and wherein 0,25 ≤ W/D ≤ 0,35.  
WO/2018/023158A1
An assembly for reducing the size of suspended solids in a pump intake including a rotatable element and a screen configured to locate in a position between a pump and the rotatable element.  
WO/2018/022486A1
A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom wall...  
WO/2018/022486A9
A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom wall...  
WO/2018/014968A1
The invention relates to a centrifugal pump body mountable on a tank (41) for producing a fluid flow through the tank (41), the pump body comprising an impeller (61) with a plurality of impeller vanes (65, 66, 67, 68, 69, 70) extending a...  
WO/2018/002034A1
The invention relates to an impeller (3) for transporting a liquid (F) through a centrifugal pump (1) by rotation about a rotation axis (R) in the centrifugal pump (1), which can be operated with reduced stagnation regions, and relates t...  
WO/2018/000032A1
A slurry pump comprising components which include a main pump liner (120), a front side liner, a back side liner and an impeller. The main pump liner comprises a continuous formation (156) projecting from an inner surface (152) of a disc...  
WO/2017/221217A1
The electric pump (1 ) comprises a motor member (6) predisposed to drive in rotation a pump shaft (8) about its longitudinal axis (A), at least one pumping stage (4) comprising an impeller (9) fixed to the pump shaft (8) and a diffuser m...  
WO/2017/223136A1
In accordance with one aspect of the present exemplary embodiment, a molten metal pump comprising a refractory material body defining an elongated chamber is provided. The chamber is configured to receive a shaft and impeller assembly. T...  
WO/2017/214176A1
A pump includes a driving shaft having a central axis, two retention members disposed on the driving shaft, a rotor disposed on the driving shaft between the two retention members, a bushing disposed on the driving shaft between the two ...  
WO/2017/214176A9
A pump includes a driving shaft having a central axis, two retention members disposed on the driving shaft, a rotor disposed on the driving shaft between the two retention members, a bushing disposed on the driving shaft between the two ...  
WO/2017/207092A1
The invention relates to a centrifugal pump (54) for conveying heat-sensitive fluid food products (P), such as whey protein concentrates, baby food, fluid baby food concentrates, nutritious drinks or cheesemaking milk, having the further...  
WO/2017/198509A1
In a fist aspect the invention relates to a pump for pumping a liquid, comprising an impeller (4) and an axially extending drive shaft assembly (5), wherein a distal end of the drive shaft assembly (5) is received in a central recess (8)...  
WO/2017/192097A1
A pump for pumping molten metal or molten salt, said pump comprising at least one component manufactured of a substrate and coated with one or more wear and erosion resistant surface layers,wherein said substrate is provided with at leas...  
WO/2017/189741A1
Embodiments of the invention provide a cutting assembly for a chopper pump. The cutting assembly includes a cutting insert having a cutting blade extending radially therefrom, and an impeller having; a central hub, a plurality of vane¾ ...  
WO/2017/180554A1
A compressor including a gear system configured to be driven by a drive unit, a plurality of compression stages coupled to the gear system, wherein the plurality of compression stages includes at least one centrifugal compression stage a...  
WO/2017/175165A1
Provided are non-limiting embodiments of a wear-resistant impeller having a non- conventional blending provided between a surface of a vane and a surface of at least one of a front side shroud and a rear side shroud. The impeller may com...  
WO/2017/162515A1
The invention relates to a centrifugal pump for conveying hot fluids, comprising a shaft seal that is contacting and arranged in the region of the shaft feed-through, arranged in a sealing housing, wherein the shaft seal has a first fixe...  
WO/2017/158384A1
An impeller for a pump, the impeller comprising a female spline, the female spline having a longitudinal axis and including at least one groove or at least one tooth;wherein the at least one groove or at least one tooth forms a spiral sh...  
WO/2017/160624A1
A seal, for use with pump casing elements that are adjustable relative to each other, includes an annular band and a resilient annular flange oriented at a non-perpendicular angle to a first surface of the annular band such that the seal...  
WO/2017/149081A1
Mechanism (5) for sealing a volute (41) of a pump in a main circuit of a nuclear power plant, characterized in that said mechanism (5) comprises: - a disk (51) having attachment means (51c) that allow the mechanism (5) to be attached to ...  
WO/2017/146047A1
A roller bearing for extremely low-temperature environments, the roller bearing being configured such that an inner race (1) and an outer race (2) comprise martensite-based stainless steel or high-speed tool steel, a rolling element (3) ...  
WO/2017/125874A1
The present invention relates to a pump/heat exchanger assembly (5) of a nuclear reactor (1), in particular a liquid metal cooled nuclear reactor, the pump (6) being characterized in that the shaft (14) for driving the impeller (15) is i...  
WO/2017/121907A1
The present invention describes an axial pump for pumping liquid metal, the axial pump comprising an inlet for receiving liquid, at least one rotor, the rotor comprising a rotor hub and a plurality of rotor blades positioned thereon, a s...  
WO/2017/119882A1
A slurry seal assembly (20) for use about a rotatable shaft (21) between a process side (54) and an atmosphere side (55) is presented. The slurry seal assembly (20) includes a sleeve (22), a rotatable seal ring (23), a stationary seal ri...  
WO/2017/117165A1
An assembly that includes an impeller having an upper face, a lower face, and a central bore sized and shaped to mate with a connecting end of a shaft. The central bore is defined by a plurality of ledges that each include a cement groov...  
WO/2017/112726A1
A molten metal pump apparatus that includes a base member, at least two (2) support members or posts, and a post socket. The lower end of each post is mounted to a mounting bore of the base member and forms a cement-less pump joint. The ...  
WO/2017/108045A1
The invention relates to a pump 100 for pumping slurry, such as manure, said pump in the orientation intended for use, comprising: -an outer housing 2 comprising an upper end 4 and a lower end 6 and one or more side walls 8,8',8'' extend...  
WO/2017/102730A1
The invention relates to a pump comprising a diffuser (11) having a diffuser flange (51) clamped axially between the thermal barrier flange (31) and the volute casing (5), said diffuser (11) comprising an outer groove (65) surrounding th...  
WO/2017/100739A1
A pump for an oil and gas well includes a barrel with a surface configured to contact oil and gas well fluid. The pump further includes a first coating formed on at least a portion of the barrel surface. The first coating includes a comb...  
WO/2017/085114A1
The present invention relates to a pump unit (300), with at least one impeller, comprising a coupling, wherein the coupling is mechanically connected to the at least one impeller via an inner rotor and where an outer rotor is connected t...  
WO/2017/082205A1
In a cage (5) in which pocket holes (4) are formed at equal intervals, a pair of circular segments (5a, 5b) that can be split in the axial direction of the circle is fastened as one piece with fastening pins (7). At least the shaft porti...  
WO/2017/082249A1
Provided is a rolling bearing for an extremely low-temperature environment having an elastic expanding/contracting mechanism in which: spherical-surface recessed sections (4) that have the broadest possible surface in contact with adjace...  
WO/2017/056441A1
A casing (11), which has a housing chamber (110) for a centrifugal impeller (2), also has a bottom surface (117) in which a communication port (111) leading into the housing chamber (110) is formed. Fixed to the bottom surface (117) is a...  
WO/2017/043445A1
Provided is a rolling bearing for extremely low temperature environments that comprises a deep groove ball bearing (A) provided with a retainer (4) made from a fluororesin molded body, wherein the retainer (4) is obtained by a plurality ...  
WO/2017/031550A1
A rotary part being an impeller or expeller for a pump which can be rotated in a forward direction about a rotation axis X-X. The rotary part comprises a shroud having an outer peripheral edge portion and opposed first, and second faces,...  
WO/2017/012825A1
The invention relates to a centrifugal pump with a rotor having at least one blade (4), and to a method for configuring the profile of a blade (4). The blade (4) has a profile which is obtained by superposing a symmetric profile (10, 11)...  
WO/2016/207034A1
The invention relates to a pond pump (1) for producing a water flow that flows through the pond pump (1), comprising an inlet opening (7) for water to be sucked in and a filter arranged in front of the inlet opening (7) in the flow direc...  
WO/2016/201436A1
One or more techniques and/or systems are disclosed for a cutter/grinder system that can be engaged with a pump. The cutter/grinder system can comprise an axial cutting operation and a radial cutting operation, comprising a rotary cutter...  
WO/2016/193387A1
The invention relates to an impeller for a centrifugal pump (1), comprising a housing (2), an inlet (3), an outlet (4), and a chamber (13) which is provided in the housing (2) in fluidic connection with the inlet (3) and the outlet (4). ...  
WO/2016/174452A1
A fluid system for a pump, which includes a downhole rotating shaft and bearings inside a housing, and where a fluid volume around shaft is circulated from outside housing through a filter, so that only clean non-abrasive fluid is permit...  
WO/2016/165795A1
The present invention relates to an impeller for a centrifugal pump. The present invention relates especially to a novel impeller structure for a centrifugal pump used for feeding both fibrous suspensions and water into a headbox of a fi...  
WO/2016/165090A1
Disclosed is a gas-liquid two-phase pump, solving the technical problem that existing pumps generate cavitation, cannot realize a gas-liquid two-phase flow and have a low efficiency. A rotary body thereof is provided with a liquid inlet ...  
WO/2016/161479A1
A pumping system is provided that may be used in areas where conventional pumps are unable to operate, and/or where it may be unsafe for workers to be present. The pumping system includes: a pump, for pumping a liquid or slurry from one ...  
WO/2016/158667A1
The present invention relates to a centrifugal pump for transferring a liquid which includes a fibrous material. This centrifugal pump is provided with: an impeller (1) which integrally rotates with a rotational shaft (11); and an impell...  

Matches 1 - 50 out of 5,181