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Matches 1 - 50 out of 2,510

Document Document Title
WO/2019/125834A1
An electrical submersible pump assembly (13) includes a motor (21) having a stator (27) with a bore (29) extending along a longitudinal axis (32). A shaft (31) with axially spaced apart rotor sections (33) extends longitudinally through ...  
WO/2019/116717A1
[Problem] To provide a motor for a drain pump, a manufacturing method therefor, and a drain pump having the motor, wherein misalignment between axes can be effectively suppressed in a structure in which a bearing is mounted to a resin mo...  
WO/2019/113541A1
A centrifugal blood pump uses the "double suction" arrangement of the blood flow channels, by dividing the blood flow across the impeller into two practically identical streams, one flowing across the upstream side of the impeller and th...  
WO/2019/111541A1
[Problem] To provide: a drainage pump motor which is capable of suppressing damage to a resin member caused by the oil of an oilless bearing, and also capable of suppressing defects caused by press-fitting the oilless bearing; and a drai...  
WO/2019/111542A1
[Problem] To provide a drainage pump rotating blade capable of suppressing noise while effectively increasing water-pumping ability; and a drainage pump having this drainage pump rotating blade. [Solution] A rotating blade 30 of a draina...  
WO/2019/106991A1
[Problem] To provide a drain pump wherein noise caused by a variation in the pressure of drain water within a pump chamber is suppressed to improve quietness during operation. [Solution] A drain pump 1 has a rotating blade 30 accommodate...  
WO/2019/096729A1
The invention relates to a pump assembly, in particular a slide ring seal assembly, for supplying a fluid, in particular to a slide ring seal (2a, 2b), comprising precisely one drive (11) with a driveshaft (24), a first axial pump (21) w...  
WO/2019/084572A1
An integral motor pump module directs at least 90% of its rotor discharge over at least 50% of its motor housing surface, thereby cooling the motor with little or no need for a separate flow path. The discharge can flow through an annulu...  
WO/2019/079070A1
Centrifugal pump sealing surfaces are described. A multi-stage centrifugal pump includes an impeller between a first diffuser and a second diffuser, a plurality of sealing surfaces formed by at least one diffuser inlet ring of the first ...  
WO/2019/063552A1
A pump is disclosed. The pump comprises at least one impeller; at least one diffuser; and at least one wear ring positioned between the at least one impeller and the at least one diffuser and removably coupled to the diffuser, the at lea...  
WO/2019/058669A1
According to the present invention, an impeller (5) is provided with: a main plate (35) that is fixed to a rotating shaft (1); a shroud (37) that has a liquid inlet (30) and that faces the main plate (35); and a plurality of blades (38) ...  
WO/2019/049398A1
Provided is a multistage centrifugal fluid machine with which the work of assembling an inner casing to a high-pressure-side head flange can be carried out efficiently. The multistage centrifugal fluid machine 100 comprises a rotor 3 to ...  
WO/2019/042638A1
The invention relates to an electric coolant pump, preferably for use as a supplementary water pump in a vehicle, characterized in that a radial mounting of the shaft (4) is provided by means of a coolant-lubricated radial sliding bearin...  
WO/2019/045894A1
An axial thrust balancing mechanism for a rotating shaft apparatus such as a rotary pump provides self-regulating thrust compensation while avoiding contact and wear between rotating and static elements. A rotor fixed to the shaft includ...  
WO/2019/018760A1
A pump for use in a motorized pumping system has a pump shaft with a lower ring groove and an upper ring groove. The pump also includes a lower adapter and an upper adapter. The lower adapter has a pair of lower ring halves configured to...  
WO/2019/007596A1
The invention relates to a method for operating a pump for process fluids circulated in a machine tool, comprising a housing (10) having a pump chamber (14) and an intake port (12) for the process fluid, a shaft (22) rotatably mounted in...  
WO/2019/009122A1
The purpose of the present invention is to provide a drain pump which, even when reduced in size, can prevent entry of water into a motor. For this purpose, a drain pump of the present invention is provided with: a motor provided with a ...  
WO/2019/002358A1
The invention relates to a bearing housing (115) for a turbomachine (100), wherein the bearing housing (115) comprises a bearing axis (LA), a bearing chamber (200) for accommodating a bearing (116, 120, 121), and a lubricant chamber (202...  
WO/2018/229421A1
The invention relates to a turbopump for a spacecraft, comprising: an intake pipe (1) opening into an intake cavity (2) defined by an inner wall; an impeller; an induction pipe (3) extending from the intake cavity (2); and an inducer (4)...  
WO/2018/209011A1
A multi-stage pump featuring first and second stages, each stage having an impeller arranged on a rotor of the pump, each impeller having a hub-side and an eye-side, and each impeller configured to pump a liquid through the pump that app...  
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/2018/201132A1
A pump features a trimmed impeller having a trimmed impeller diameter that is less than a standard full-sized diameter of a standard full-sized impeller for a standard full-sized casing, and having a circumferential outer edge; and a mod...  
WO/2018/190734A2
The invention relates to a device that pumps fluid using electromagnetic fields together with smart fluids for a wide range of applications. The device consists of a cylindrical chamber having inlet and outlet check valves, a pair of fie...  
WO/2018/190734A8
The invention relates to a device that pumps fluid using electromagnetic fields together with smart fluids for a wide range of applications. The device consists of a cylindrical chamber having inlet and outlet check valves, a pair of fie...  
WO/2018/179643A1
The purpose of the present invention is to provide a rotary vane member for a pump and a drainage pump with a high lift capability for liquids such as water. In order to achieve this purpose, the rotary vane member for a pump is provided...  
WO/2018/179612A1
The purpose of the present invention is to provide a drainage pump capable of reducing the amount of water outflow into a chamber positioned above a pump chamber. In order to achieve this purpose, the drainage pump is equipped with: rota...  
WO/2018/173769A1
The present invention relates to a multi-stage pump capable of being used as a water supply pump for pressurizing high-temperature high-pressure water and transferring the pressurized water to a boiler. The multi-stage pump comprises: a ...  
WO/2018/167043A1
The invention relates to a centrifugal pump assembly having an electric drive motor (4, 6), an impeller (14) which is driven by the latter, and a pump housing (12) which surrounds the impeller and has at least two connectors (27, 32, 34)...  
WO/2018/166971A1
The invention relates to a pump assembly having at least one rotationally driven impeller (14) and at least one valve element (18), which is rotatable about an axis of rotation (X) between at least two switching positions, wherein the va...  
WO/2018/167047A1
The invention relates to a centrifugal pump unit, comprising a drive motor, at least one impeller wheel (14) rotationally driven by said drive motor, and at least one valve device (32), which has a valve element (32) that can be moved by...  
WO/2018/166975A1
The invention relates to a pump assembly having an electric drive motor (4, 6), at least one impeller which is driven by the drive motor (4, 6), and at least one valve device (18) which lies in a flow path through the pump assembly and c...  
WO/2018/167031A1
The invention relates to a hydraulic structural unit having: a centrifugal pump aggregate which has an electric drive motor (4, 6) and at least one impeller wheel (14) driven by the drive motor; and at least one valve element (18) which ...  
WO/2018/166979A1
The invention relates to a centrifugal pump unit, comprising an electrical drive motor, at least one impeller wheel (14) driven thereby, and a pump housing (12), which surrounds the impeller wheel (14) and in which at least one valve ele...  
WO/2018/166967A1
The invention relates to a centrifugal pump aggregate having an electric drive motor (4, 6), an impeller (14) driven by said motor and at least one valve element (18), which can be moved by the electric drive motor (4, 6) directly or ind...  
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/2018/148789A1
A compact respiratory therapy device suitable for use by a patient during sleep to provide respiratory pressure therapy such as at a pressure between 4-30 cmH2O includes a housing, an inlet, an outlet, a motor including a rotor, and an i...  
WO/2018/148423A1
A diffuser anti-rotation system and apparatus is described. A diffuser anti-rotation system includes a circumferential coupling ring interlocked between a top of a first diffuser and a bottom of an adjacent diffuser. One end of the first...  
WO/2018/140724A1
An electric motor assembly for pumping a fluid through a fluid cavity includes a stator assembly including a plurality of conduction coils configured to transmit heat energy to the fluid within the fluid cavity and a rotor assembly posit...  
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/2018/115417A1
The cartridge seal is provided for sealing a shaft (4) with respect to a housing (2) and is intended to be a slide ring seal arrangement (12) for a centrifugal pump. It comprises a shaft protection sleeve which is rotationally connected ...  
WO/2018/096832A1
Provided is a drainage pump capable of suppressing the occurrence of a separated flow at a discharge part. The drainage pump (1) has a housing (10) housing a rotary vane (30) for taking up drainage water by being rotated by a motor (40)....  
WO/2018/096859A1
[Problem] To provide a drain pump configured so that the accumulation of water in a discharge section can be prevented. [Solution] A drain pump 1 is provided with a housing 10 having: a body section 11 inside which a space into which wat...  
WO/2018/085293A1
A magnetically driven centrifugal pump has a pump case, an open vane impeller in the pump case, a stuffing box including a stuffing box outer being fixed relative to the pump case and a stuffing box inner threadedly engaged with the stuf...  
WO/2018/083306A1
A new double suction impeller, in particular for centrifugal pumps and hydraulic power recovery turbines, wherein the flow-path arrangement has inter-blade channels 21, 24 intersecting each other at the impeller's outer diameter and havi...  
WO/2018/077811A1
The invention relates to a module (1) for a cooling system of a motor vehicle, comprising a drive unit (2), a fan wheel (3), wherein the fan wheel (3) can be driven to rotate by the drive unit (2) and has a fan hub (4) and a plurality of...  
WO/2018/063031A1
The invention relates to centrifugal pumps and can be used for pumping oil and other fluids along pipelines. A pump comprises a set of strength elements in the form of reinforcing ribs connecting a pump housing to the surfaces of support...  
WO/2018/064101A1
A pump having two impellers driven by a common drive shaft where the impellers have suction inlets facing each other and are configured to axially receive fluid from a common chamber. A direct line path exists between suction inlets of t...  
WO/2018/042123A1
A turbopump inducer for stabilising the cavitation pockets occurring at the blades of the inducer, the inducer having a plurality of blades (10) disposed between an inner housing and an outer housing, each blade (10) having a lower surfa...  
WO/2018/031780A1
A modular pump system permits combining multiple discrete pump assemblies in serial and/or parallel configurations to tailor system output to user needs. The assemblies may be combined by hand quickly, without the needs for tools, to per...  
WO/2018/022198A1
A technique facilitates pumping of various fluids such as well fluids. An electric submersible pumping system is constructed with an outer housing which contains an integrated pump and motor. The pump may comprise an impeller disposed wi...  

Matches 1 - 50 out of 2,510