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Patent Searching and Data


Matches 1 - 50 out of 2,491

Document Document Title
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...  
WO/2018/010837A1
The invention relates to a method for the treatment of heat-sensitive liquid food products (P) as per the preamble of claim 1, and to an installation for carrying out the method, and to a centrifugal pump for an installation of said type...  
WO/2018/004778A1
A ring section pump features a low-pressure end configured to receive fluid to be pumped into the ring section pump; a high-pressure end configured to provide the fluid to be pumped from the ring section pump; and an intermediate tie rod...  
WO/2017/223363A1
A radial compressor employs a compressor wheel (102) having an inducer (103). An inlet air passage (108) has a first region (109) and a second region (110) separated from the first region by a divider wall (111). The divider wall extends...  
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/2017/177287A2
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/177287A3
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/174368A1
The invention relates to an actuator for active chassis of motor vehicles, having an electric drive machine (1) and a pump (2). In order to create advantageous design conditions, the pump (2) according to the invention is encased by the ...  
WO/2017/170640A1
This diffuser (250) is provided with: a case part (260, 270) for demarcating a cylindrical passage so that the diameter thereof is narrowed from a fluid inflow side toward an outflow side; and a plurality of diffuser blade parts (280) fo...  
WO/2017/162553A1
A centrifugal compressor (100) comprises a rotor (103, 104, 105) with a plurality of impellers (104, 105) and a stator (101, 102, 106, 107, 108, 109, 110) with at least a first diaphragm (106), a second diaphragm (107, 108), a diffuser d...  
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...  

Matches 1 - 50 out of 2,491