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WO/2018/160053A1 |
The present invention relates to a mechanism for driving the blades of a centrifugal pump for transporting liquids and living fauna, with a drive (impeller) having a novel and inventive functional technical design. Generally speaking, th...
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WO/2018/158617A1 |
A centrifugal pump (1) for lifting clean water or water with suspended solids, which comprises a hollow body (2) defining a center axis (L) and having a front opening (3) and a volute (4) with a delivery port (5), an impeller (8) accommo...
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WO/2018/155762A1 |
The present invention provides a centrifugal jet pump, which is a centrifugal pump having only one impeller and has a novel structure capable of implementing high pump head and super high speed.
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WO/2018/150247A1 |
The invention relates to a pump assembly comprising a first liquid pump unit which has a first impeller that can be rotated in a first pump housing cavity and comprising a second liquid pump unit which is arranged downstream of the first...
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WO/2018/142591A1 |
[Problem] Conventionally, there exists a device by which high-pressure water is sprayed into the sediment at the bottom of a reservoir, the sediment is excavated and slurried, the slurried sediment is delivered onto land with a suction p...
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WO/2018/131275A1 |
A vertical pump comprising: a rotating shaft; multi-stage impellers configured so as to rotate in conjunction with the rotating shaft; a casing housing the multi-stage impellers; a mechanical seal provided in a section of the casing pene...
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WO/2018/131268A1 |
A liquid pressure boosting device comprising: a tank arranged on a device placement surface and being for storing liquid such that the liquid surface level is positioned above the device placement surface; and a vertical pump including a...
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WO/2018/117837A1 |
An impeller for a centrifugal pump comprises a rotor; a shaft shield connected to the rotor and having an axial supply; a suction shield connected to the rotor and axially set apart from the shaft shield; and a plurality of blades betwee...
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WO/2018/114660A1 |
The invention relates to a pump arrangement (2) for arranging on a nuclear reactor and for conveying exchanger liquid which is heated in the reactor, having a motor part (4) and a pump part (3) which has a housing (7), wherein a diffuser...
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WO/2018/114143A1 |
The invention relates to a vortex pump having an impeller which comprises blades for delivering solids-containing media. Starting from an original blade section (12), at least a part of the blades (7) branches off into further blade sect...
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WO/2018/114133A1 |
The invention relates to a centrifugal pump (1) for delivering a medium comprising solid admixtures. A blade-free space (9) is arranged in front of an impeller (1). The centrifugal pump has a suction-sided arrangement (12). The space (9)...
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WO/2018/114507A1 |
The invention relates to a device having a centrifugal pump and a comminuting assembly. The comminuting assembly is arranged upstream of an impeller (8). The comminuting assembly comprises a rotating element (13) and a stationary element...
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WO/2018/100488A1 |
The invention is a cutter pump comprising an impeller (20) mounted on a driving shaft (30), a rotary cutting blade (50) mounted so that it is coaxial with said impeller (20) and rotates together with it, and a cutting plate (60) constrai...
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WO/2018/098452A1 |
A torque transfer system for centrifugal pumps. A torque transfer system for a centrifugal pump includes a bearing sleeve above an impeller, the bearing sleeve and a hub of the impeller surrounding a rotatable shaft and coupled to the ro...
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WO/2018/092650A1 |
The present invention addresses the issue of providing a heat insulating container for low-temperature liquefied gas pumps, having increased heat insulating properties in a lid structure therein and improved maintenance characteristics f...
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WO/2018/073137A1 |
The invention relates to a method for providing an axial gap in a cutter assembly of a grinder pump () in order to secure an operative shearing action at a shearing interface in said cutter assembly. The invention also relates to a grind...
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WO/2018/073136A1 |
The invention relates to a cutter assembly configured for a grinder pump and comprising a cutter wheel (5) and a cutter disc (6) that interacts with each other. The cutter wheel (5) comprises a shaft portion (27) that is configured to in...
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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...
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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...
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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.
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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...
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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...
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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...
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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.
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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 ...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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) ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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