Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 51 - 100 out of 13,856

Document Document Title
WO/2016/044945A1
A fluid pump having at least two pump heads in series permits pumping fluid at both high pressure and high volumetric rate. Each pump head has at least two fluid conduits in fluid communication with a housing, the housing containing an i...  
WO/2016/047331A1
The present invention provides a method for manufacturing a centrifugal pump (1) that comprises: a housing (2) having a cover member (22) and a bottom member (21); a rotating body (3) rotatably received within the housing (2); and a supp...  
WO/2016/048163A1
The invention provides a barrier fluid system for lubricating, cooling and cleaning bearings and seals of subsea turbomachines, also in situations where the pressure can undergo large changes. The system comprises: a topsides barrier flu...  
WO/2016/041990A1
A system (16) for pumping a fluid, comprising: a pump (17) comprising a suction side (18) and a discharge side (19); a motor (20) for driving the pump, which motor is drivingly connected to the pump via a shaft (21); a return line (23) p...  
WO/2016/043726A1
A multistage centrifugal pump includes an upstream housing and a downstream housing. The upstream housing and the downstream housing each have a first end, a second end and a plurality of turbomachinery stages. Each of the plurality of t...  
WO/2016/044204A1
A system and methodology are provided for enhancing the operation of an electric submersible pumping system. In production and/or injection operations the effectiveness of the electric submersible pumping system is improved through flow ...  
WO/2016/044418A1
A well pump assembly includes rotary pump and a submersible motor. A shroud surrounds the pump intake and the motor. The shroud has an open upper end in fluid communication with the pump intake. A tubular member of smaller diameter is se...  
WO/2016/041991A1
A method of operating a system (16) for pumping a fluid, which system comprises: a pump (17) for pumping the fluid; and a variable speed motor (20) for driving the pump (17). The method comprises the steps of: identifying a first system ...  
WO/2016/042976A1
A centrifugal pump 1 is provided with: a housing 2 having a housing body 20, a blood inlet port 25, and a blood outlet port 26; a rotatable body 3 rotatably received within the housing body 20; and a support mechanism 4 for supporting th...  
WO/2016/044579A1
A seal section for use in a downhole submersible pumping system (100) includes redundant fluid separation mechanisms. The fluid separation mechanisms are bag seal assemblies (122, 124), labyrinth seals, pistons and bellows. The seal sect...  
WO/2016/044742A1
An electrical submersible pump assembly (11) has modules including a pump (13), a motor (19), and a seal section (17). A drive shaft assembly (107) extends from the motor through each of the modules. A threaded connection between at leas...  
WO/2016/041682A1
The invention relates to a coolant pump (1) for a coolant circuit of an internal combustion engine. A motor chamber (20) having a pump motor (40) and having an axially oriented pump shaft (50) is arranged in a region of a pump housing th...  
WO/2016/042975A1
This centrifugal pump (1) is provided with: a housing (2) provided with a housing main body (20), a blood inflow port (25), and a blood outflow port (26); a rotational body (3) which is rotatably accommodated inside the housing main body...  
WO/2016/037280A1
A submersible pump assembly configured to manipulate the flow of fluids to achieve sufficient flow rate and fluid pressure to efficiently pump viscous or solids-laden fluid, while minimizing the risk of pump clogging and/or damage due to...  
WO/2016/036280A1
The invention relates to the petroleum extraction industry and can be used for extracting petroleum from deep and ultra-deep wells using electric centrifugal pump assemblies. In order to prevent the current lead of a submersible electric...  
WO/2016/033667A1
The present invention relates to a motor pump (10) free from bearings, cooler and mechanical sealing, more specifically to a hydraulic motor pump, which comprises a housing (14) defined by a first chamber (19) isolated from fluids and a ...  
WO/2016/036342A1
Rotation control for an electric submersible pump (ESP) is provided. In one possible implementation, a controller dynamically measures a motor condition, such as an ongoing temperature, of a turned-off AC motor of an electric submersible...  
WO/2016/032521A1
An electric submersible pumping system includes a motor filled with motor lubricant, a pump driven by the motor, and a fluid expansion chamber connected to the motor. The fluid expansion chamber includes a seal bag filled with a seal bag...  
WO/2016/032439A1
In accordance with some embodiments of the present disclosure, a thrust washer and a diffuser for use in a downhole electrical submersible pump are disclosed. The pump may include a shaft and a motor communicatively coupled to the shaft....  
WO/2016/027585A1
The present invention reduces vibration and friction in a vertical shaft pump. A vertical shaft pump of the present invention comprises: bodies that are connected to and rotate with a rotary shaft; a first slide bearing that has, on an o...  
WO/2016/024663A1
A counter-rotating pump turbine is provided. A counter-rotating pump turbine, according to an exemplary embodiment of the present invention, operates in a turbine mode and comprises: a first impeller that includes a plurality of first bl...  
WO/2016/025806A1
A submersible well pump assembly has an electrical motor connected with the pump. An electrical receptacle on the motor has a base into which a central bore and first and second threaded holes on opposite sides of the bore extend, the th...  
WO/2016/025665A1
A low-profile motor lead transition for an electric submersible pump (ESP) is provided. In an implementation, a flat motor lead extension (MLE) for an ESP has conductors that branch out into three separate legs from a single power cable,...  
WO/2016/024952A1
Systems and methods of routing pressurized fluid from a fluid source are disclosed. The system includes a composite articulating arm. The composite articulating arm further includes a first articulating arm and a second articulating arm....  
WO/2016/025810A1
An electrical submersible well pump assembly includes a pump driven by an electrical motor. A string of tubing connects to the well pump assembly and extends to an upper end of a well. A power cable installed in the tubing has three insu...  
WO/2016/024518A1
The present invention pertains to a turbo pump (1) having an impeller (3) for pressurizing liquid, a turbine disk (4) provided with a blade cascade (5), a shaft (6) for coupling the impeller (3) with the turbine disk (4), a bearing (7) f...  
WO/2016/022660A1
An electrical submersible pump assembly has a magnetic coupling between the motor shaft and the pump shaft. The coupling includes motor shaft disks mounted to the motor shaft, each having upward and downward facing disk surfaces joined b...  
WO/2016/019830A1
A hydroturbine capable for water pumping, comprising a housing consisting of an upper end cover (1), a lower end cover (2) and side walls (3); a rotatable hydroturbine shaft (4) is installed between the upper end cover (1) and the lower ...  
WO/2016/022123A1
An electric submersible pump (ESP) can include a shaft; an electric motor configured to rotatably drive the shaft; a housing; a stack of diffusers disposed in the housing; impellers operatively coupled to the shaft; and a pressure balanc...  
WO/2016/021918A1
The present invention relates to a power transmission apparatus using a magnetic field, the power transmission apparatus comprising a rotor module, a front driver module and a rear driver module, or comprising a rotor module and any one ...  
WO/2016/022413A1
A technique employs a system and methodology for improving sand control in pumps. The technique may be used in centrifugal pumps by providing uniquely constructed rib feature to facilitate sand control and thus reduction of erosion due t...  
WO/2016/018656A1
An electrical submersible pump assembly has modules including a pump, at least one motor, and a pressure equalizer coupled to the motor. First and second ones of the modules have a threaded connection including a first adapter having thr...  
WO/2016/012379A1
The invention relates to a coolant pump for pumping a coolant for an internal combustion engine in a vehicle which comprises the internal combustion engine and a central engine control. The coolant pump comprises a pump shaft (4) which i...  
WO/2016/012378A1
The invention relates to a coolant pump for pumping a coolant for an internal combustion engine in a vehicle which comprises the internal combustion engine and a central engine control. The coolant pump comprises a pump shaft (4) which i...  
WO/2016/010381A1
Disclosed are a motor pump for hot water that is used in a system for supplying hot water having a temperature of 70°C or more, and a hot water supply apparatus using the same. The motor pump for hot water comprises: a motor pump body t...  
WO/2016/008407A1
A magnetic drive pump comprises a pump body (A). A front cavity, a middle cavity and a rear cavity are formed and spaced in the inner side of the pump body (A). An impeller (3) is arranged in the front cavity, and a permanent magnet roto...  
WO/2016/010598A1
Upper and lower pressure equalizers couple to a lower end of a motor of an electrical submersible pump assembly. An intermediate connection having a liquid flow passage connects the pressure equalizers. A connection valve located in the ...  
WO/2016/010589A1
A tool is provided for use in a variety of ESP and other well control applications. The tool employs a simplified design for ESP and well control applications and has a main valve which may be operated by a plurality of different shiftin...  
WO/2016/008510A1
The invention relates to an immersion pump (10) having a pump housing (12) which has an intake opening (32) and an outlet opening (36) and in which an impeller (28) which is driven by a motor (24) is arranged, and having a height adjusti...  
WO/2016/009977A1
Provided is a vertical shaft pump that, even for a high-capacity pump, allows easy replacement of submerged bearings, without lifting the pump, when the pump is in place, and improves the reliability of submerged bearings. This vertical ...  
WO/2016/005387A1
A centrifugal pump, of the submersed or submersible type, comprising a hydraulic part (11, 111, 211, 311, 411, 511, 611), with a hollow body (12, 112, 212, 312, 412, 512, 612) inside which there is at least one impeller (13, 113, 213, 31...  
WO/2016/003998A1
A method for monitoring an electric submersible pump. The method includes acquiring data indicative of surface measurements obtained while the pump is operating in a downhole environment, acquiring data indicative of downhole measurement...  
WO/2015/197161A1
The invention relates to a wet-rotor-motor pump, comprising a stator (5) surrounded by a motor housing (4) and a rotor (7) separated from the stator (5) by a can (6). The rotor runs in the rotor space formed by the can (6) and is connect...  
WO/2015/200020A1
Pre-shaped composite diaphragms for electric submersible pump (ESP) protectors are provided. In an implementation, a motor protector for an ESP has a diaphragm for containing the expansion and contraction of ESP motor oil. The diaphragm ...  
WO/2015/197141A1
A method for detecting faults or operational parameters in a pump assembly by use of a handheld communication device is described. The pump assembly includes an electric motor and a pump, wherein the pump assembly or electric motor has a...  
WO/2015/197067A1
The present invention relates to a magnetic gear comprising a first magnetic rotor with a first shaft; and a second magnetic rotor with a second shaft;a support structure, witha first end shield and a second end shield connected by a sta...  
WO/2015/199546A1
System for subsea pumping or compressing, comprising: an ESP (electrical submersible pump), a flowline jumper, a connector part in either end of the flowline jumper, and an arrangement for lifting, the ESP has been arranged in the flowli...  
WO/2015/197283A1
Disclosed is a magnetic coupling comprising an inner rotor (11) and an outer rotor (9) which surrounds at least part of the former, the two rotors being provided with magnetic material (18) and being coupled to one another by magnetic fo...  
WO/2015/192820A1
Adjustable coolant pump having a control slide (9) which is arranged in the pump interior (6), can be moved by an actuating device (7) and is loaded by a restoring spring (8), having an outer cylinder (11) which covers the outflow region...  
WO/2015/193784A1
According to a first aspect the present invention relates to a method for turning off a pump (2) configured for pumping liquid via a conduit (4), the pump (2) before being turned off being driven at an operational frequency (FN) by means...  

Matches 51 - 100 out of 13,856