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Matches 1 - 50 out of 2,413

Document Document Title
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/2017/174368A1
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...  
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/2017/157368A1
Coolant pumps are frequently used in vehicles, in order to convey coolant in a coolant system through the motor, in particular through the internal combustion engine, of the vehicle. Coolant pumps of this type have a pump shaft and an im...  
WO/2017/157702A1
The present invention relates to single- or multi-stage centrifugal pumps having novel disc- type means for balancing the axial forces of the pump. The disc-type balancing means are provided with at least one annular groove (54) in at le...  
WO/2017/160388A1
A submersible well pump assembly (11) has a pump (19) driven by an electrical motor (15). The motor has a number of rotor sections (35) axially separated from each other by radial bearings (39). Each of the rotor sections has disks (45) ...  
WO/2017/158003A1
The invention relates to a centrifugal pump comprising an arrangement (11) for reducing backflow from a pressure compartment (19) into a suction compartment (20). A rotating element (12) is placed on a shroud (3) of an impeller (1). The ...  
WO/2017/155972A3
A multi-stage pump featuring different stages configured to pump a fluid from a pump suction and to a pump discharge; and a center bushing configured between the different stages, having a center bushing side configured with pockets to b...  
WO/2017/150554A1
A centrifugal compressor (100) is provided with impellers (4) rotating about an axis line (O) to pressure-feed a fluid drawn in from one side outward in a radial direction, and flow paths (2) which are each provided between impellers (4)...  
WO/2017/137257A1
The invention relates to a vacuum rotor system (1), comprising: a hollow rotor (2), which has a rotor lateral surface (21) that is open at both ends (2a, 2b) perpendicular to the axis of rotation (R) and at least two hubs (22, 23), which...  
WO/2017/125115A1
The present invention relates to a turbomachine for obtaining pressurized air and pressurized water, having a pump wheel (2) which comprises at least one spiral-shaped delivery duct (6) which has an inlet (7) at an outer peripheral secti...  
WO/2017/112592A1
A fluid transport device defining a centerline axis therethrough includes at least one rotatable member including a first portion and a second portion axially opposite the first portion. The fluid transport device also includes at least ...  
WO/2017/111344A1
The present invention relates to a pump assembly for discharging, by high pressure, mixed materials (a mixture of liquid and fluid) having flowed therein, and, more specifically, to a pump assembly having a mixing function, providing a d...  
WO/2017/108893A1
The invention relates to a centrifugal pump, in particular a circulation pump, comprising a pump impeller and an integrated synchronous reluctance motor for driving the impeller, wherein the distance A between the magnetically active com...  
WO/2017/102491A1
The multi-stage centrifugal pump has a foot part (2) and a head part (9), between which pump stages are incorporated. The head part (9) and foot part (2) are connected via tie rods (11), which have one end secured on the head part (9) an...  
WO/2017/088713A1
A multi-stage pump comprises: a suction section (11), a discharge section (12), a middle section (13), a plurality of impellers (14), a plurality of guide vanes (15) and a pump shaft (16). An impeller (14) and a guide vane (15) together ...  
WO/2017/084694A1
The invention refers to an automotive vapor pump (12), preferably to a purge pump for pumping a pump gas comprising fuel vapor. The automotive vapor pump comprises: a centrifugal pumping wheel (34) for pumping the pump gas from a pump in...  
WO/2017/082737A1
A centrifugal pump is provided, which main components, rotor and scroll, are principally made of iron pieces. Each piece may be easily replaced. Each piece may provide a side, the one on the inner side is the scroll, a surface with great...  
WO/2017/079309A1
A centrifugal pump includes a selectable regenerative style pumping element, including a regenerative pump rotor and at least one side wall flow channel formed by a rotating disc. The regenerative pumping element is selectable between a ...  
WO/2017/058935A1
The disclosure provides a rotodynamic pump that resists clogging when pumping fluid that contains solid particles having a density that is greater than the fluid. The pump also includes a rotatable impeller assembly having at least one o...  
WO/2017/059074A1
A low-cavitation impeller for a centrifugal pump is provided. The impeller provides a smooth flow path from the inducer section through to the outlet section. Continuous main blades run from a leading edge at the inlet eye to a trailing ...  
WO/2017/051235A1
The present invention relates to a multistage centrifugal pump for pumping liquids with a cooled variable frequency drive, said pump being provided with a motor driving the rotation of a shaft which, after going through a leak-tight, rot...  
WO/2017/051237A1
The present invention relates to a centrifugal pump integrating a leak-tight chamber provided with a liquid inlet mouth and outlet mouth, drive impellers, inscribed in a cylindrical chamber integrated in the leak-tight chamber, which inc...  
WO/2017/048734A1
A pitot tube assembly for a centrifugal pump includes an extension arm having a tubular body with opposing ends, at least one pickup tube secured to one of the opposing ends of the extension arm, a terminal portion positioned at the othe...  
WO/2017/046147A1
The invention relates to a shaft seal system (2) for a bearing housing (9, 10) of a pump arrangement (1) which bearing housing has an oil-filled space (14), comprising a closure element (17, 117), said closure element (17, 117) having a ...  
WO/2017/046144A1
The invention relates to a shaft seal system (2, 3) for a bearing housing (9, 10) of a pump arrangement (1), comprising a closure element (17, 117, 217, 317), said closure element (17, 117, 217, 317) having a recess (25, 125, 225, 325) f...  
WO/2017/041182A1
A shear flow turbomachinery device includes a housing having housing walls defining a cavity, a shaft extending into the cavity though a shaft opening in the housing wall at an end of the cavity, a rotor coupled to the shaft within the c...  
WO/2017/034693A1
A centrifugal pump and an impeller thereof are provided. The impeller defines an outer peripheral edge which includes a plurality of serrations circumferentially thereon. The plurality of serrations are configured such that additional po...  
WO/2017/025414A1
A centrifugal pump (1) comprises an outer case (2); an inner case (3); a first unit (4) and a second unit (5) placed in fluid communication with each other, each unit (4, 5) comprising a plurality of impellers (6, 6a, 6b); the inner case...  
WO/2017/021553A1
A fluid processing machine that includes a stator capable of generating an electromagnetic field and a first rotor section having at least one impeller and at least one permanent magnet. The stator is configured to electromagnetically en...  
WO2017008845A1
A switchable mechanical automotive coolant pump (10) for providing a liquid coolant for an internal combustion engine (19), comprising a static pump housing (11), a rotatable pulley wheel (12) supported by a shaft (20), a rotatable pump ...  
WO/2016/195643A1
An electric submersible pump having a housing with side walls and at least one stackable diffuser residing within the housing. The stackable diffuser can have a diffuser side wall forming an annular gap between the outer surface of the d...  
WO/2016/189991A1
Provided is a pump in which friction between an eccentric part and a piston can be reduced. The pump is provided with a rotating shaft, an eccentric part, and a piston. The eccentric part has an axial center that is eccentric relative to...  
WO/2016/174639A1
A multistage pump comprises a housing defined by a first operative end and a second operative end and having a compartmentalized configuration. A shaft is disposed within the housing such that the shaft extends along the length of the ho...  
WO/2016/165905A1
The invention relates to an air compressor or water pump (1) comprising a frame (2) in which are mounted a stator (4), a rotor (5) that interacts with said stator (4) to form a synchronous motor, and comprising a shaft (6), at least one ...  
WO/2016/165906A1
The invention relates to a machine (50) comprising a chassis (52) comprising at least one functional element (53) and a control unit (54). Said machine comprises an air compressor or water pump (1) integrated into the chassis (52), said ...  
WO/2016/162087A1
In order to improve an immersion pump, which can be immersed into a liquid to be pumped out and which has a pump housing, a pumping device, which is arranged in the pump housing and has a suction inlet for suctioning liquid and a pressur...  

Matches 1 - 50 out of 2,413