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Matches 1 - 50 out of 5,331

Document Document Title
WO/2019/202499A1
A centrifugal seal system for a slurry pump (1) is provided with an adjustable wear ring (2) having an outer diameter (18) that is 1.3 to 2.1, and more preferably between 1.5 and 1.9 times the inlet diameter (17) of a suction orifice (33...  
WO/2019/199222A1
A pump housing device for a fluid pump comprises a rear wall element (5) comprising a rear surface (5b)turned towards an impeller (1). The rear wall element comprises an opening (7) defining a cylindrical surface (7a) along a longitudina...  
WO/2019/186926A1
This underwater aerator 1 is provided with: a casing (impeller casing 5); a gas intake port 513 which allows gas to flow into the casing; a liquid intake port 76 which opens in water and which allows liquid to flow into the casing; an im...  
WO/2019/173495A1
Methods and devices for a self-contained device including a hydraulic motor and a hydraulic pump. Preferably, the motor is incorporated either within the interior of the pump, on the exterior of the pump, or a combination of the two. The...  
WO/2019/086283A9
The invention provides a compressor unit for cryogenic applications comprising: at least one compressor for cryogenic applications for compressing a working fluid; a mechanically coupled to the at least one compressor; a combustion gas i...  
WO/2019/153005A1
A universal frame plate is provided for centrifugal pumps that include a pump casing. The frame plate includes a hub configured to be selectively mounted to a first pump casing having a discharge outlet located on a first side or a secon...  
WO/2019/117821A3
The device for protection of wastewater pumps for wet accumulation chambers, comprising a separation chamber provided with a discharge pipe for discharging wastewater into a sewerage network, further comprising a supply pipe connected to...  
WO/2019/119073A1
In centrifugal pumps and, in particular, pumps for transferring fluids containing abrasive particles such as slurry pumps, wear of wetted areas is a major maintenance issue. The invention provides for the protection of internal surfaces ...  
WO/2019/117821A2
The device for protection of wastewater pumps for wet accumulation chambers, comprising a separation chamber provided with a discharge pipe for discharging wastewater into a sewerage network, further comprising a supply pipe connected to...  
WO/2019/110659A1
The invention relates to an impeller (2) for centrifugal pumps, having at least one blade (12) for conveying solid-containing media. The blade (12) projects from a carrying disc (15) in the direction of a feed flow of the solid-containin...  
WO/2019/101659A1
In a fist aspect the invention relates to a method for controlling a pump (2), the pump (2) comprising an integrated control unit (12), a drive unit having an electric motor (9) and a drive shaft (10), and a hydraulic unit having an impe...  
WO/2019/086283A1
The invention provides a compressor unit for cryogenic applications comprising: at least one compressor for cryogenic applications for compressing a working fluid; a mechanically coupled to the at least one compressor; a combustion gas i...  
WO/2019/080139A1
A sealed centrifugal pump with high temperature resistance, comprising a volute pump case (12). An impeller (11) is fittingly provided in the pump case, and the impeller is mounted on a rotating shaft (10). The bottom of the pump case is...  
WO/2019/081524A1
A method for maintaining a pumping system (2), that is part of a pumping station (1), in operational service (30), said pumping system (2) comprising a pump (20), a motor (21) driving the pump (20), and a pipe for discharging fluid by th...  
WO/2019/071318A1
A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends la...  
WO/2019/048224A1
Cutting unit for chopper pumps, having a rotor (10) which is mounted on a pump shaft and forms radially running cutting edges (18), and having a stator which is non-rotatably mounted in the intake region of the pump, forms passages for t...  
WO/2019/027579A1
A well pump seal section housing (25) connects between a pump (13) and a motor (17). Upper and lower retainers (37, 59) at upper and lower ends of the housing have outward facing cylindrical walls (41, 61). bladder (45) has an interior i...  
WO/2019/025238A1
The invention relates to an impeller (2) for centrifugal pumps having at least one blade (12). Said impeller (2) is used for delivering solids-containing media. The angle a is at an angle between a leading edge (17) of the blade (12) and...  
WO/2019/018733A1
A molten metal pump assembly and method to fill a mold with molten metal, such as aluminum. The assembly includes a support frame for suspending the molten metal pump above a furnace. The support frame includes a mechanism for lifting an...  
WO/2018/219496A1
The invention relates to an asymmetric pump impeller (1) for a pump unit for conveying a liquid which in particular contains solids, said impeller being formed at least to some extent in layers by an additive production method and having...  
WO/2018/204350A1
A double suction impeller features an impeller main body and an impeller suction eye. The impeller main body may include a suction eye adapter coupling member. The impeller suction eye may include a removable suction eye adapter having a...  
WO/2018/181281A1
Provided are a low-temperature fluid pump and a low-temperature fluid transfer device with which vaporization of the low-temperature fluid can be reduced. The low-temperature fluid pump is equipped with an impeller, a rotary shaft (9), a...  
WO/2018/172520A1
The invention relates to a pumping and comminution device (1) comprising: at least one submersible pump (3) located in a container (2) that is suitable for receiving an inflow material (5) and a drive (4) for driving the submersible pump...  
WO/2018/170002A1
An electric submersible pump (ESP) gas separator is described. An ESP gas separator includes a propeller upstream of a fluid entrance to a crossover, the crossover including a production pathway and a vent pathway, and the propeller incl...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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)...  
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...  
WO/2017/189741A8
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 vanes a...  
WO/2018/049436A3
An impeller of a centrifugal pump configured so that a streamline of slurry flow from an inlet to an outlet follows a path which at the inlet lies on a circle with a diameter which is equal to 50% of the diameter of the inlet, and which ...  
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...  
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...  
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...  
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...  
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...  
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/2018/022486A9
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/2018/053560A1
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.  

Matches 1 - 50 out of 5,331