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Matches 451 - 500 out of 5,949

Document Document Title
WO/2008/069702
The invention relates to multistage pumps for extracting oil from wells. The inventive working member of a downhole multistage pump comprises a working wheel (4) and a guiding unit (5). Said working wheel (4) and a guiding unit (5), each...  
WO/2008/069124
A centrifugal pump has a casing (8) having a suction opening (80), a shaft support part (84) fixed to the inside of the casing, a shaft (5) supported by the shaft support part, an impeller (7) rotatably supported by the shaft, having a f...  
WO/2008/058639
The invention relates to a motor centrifugal pump, comprising an impeller supported in the pump space, the impeller being positioned on the electric motor shaft, wherein the motor rotor is incorporated in a can chamber through which the ...  
WO/2008/059658
[PROBLEMS] To provide a generator in which the stator coil can be protected against high-temperature high-pressure fluid. [MEANS FOR SOLVING PROBLEMS] The generator has a drive section (1) provided with an impeller (13) received in a cas...  
WO/2008/056083
The invention relates to a reversible hydroelectric device that can be mounted on an outside duct, comprising a hydraulic group (2) including a hydraulic machine (6) consisting of a turbine reversible centrifugal pump and a hydraulic cir...  
WO/2008/056486
[PROBLEMS] To provide a fluid feeder in which the drive shaft of a pump can be prevented from falling even when a bearing is heavily abraded. [MEANS FOR SOLVING PROBLEMS] A fluid feeder is arranged to suck fluid from an inlet (11) and to...  
WO/2008/056484
Provided is a fluid feeding device for preventing the outer circumference of a rotor from being corroded with rust or the like and for eliminating dust such as iron powder when the dust sticks to the outer circumference of the rotor. The...  
WO/2008/056083
The invention relates to a reversible hydroelectric device that can be mounted on an outside duct, comprising a hydraulic group (2) including a hydraulic machine (6) consisting of a turbine reversible centrifugal pump and a hydraulic cir...  
WO/2008/035896
The present invention relates to a pump apparatus with an annular compression plate made of a high elastic material, and more particularly, to a pump apparatus using elastic deformation of a compression plate, wherein the compression pla...  
WO/2008/023515
A self-suction pump capable of stably discharging fluid to be transferred even if the fluid becomes a mixture of gas and liquid. A liner ring (50), which is in rubbing contact with an impeller (29) when it moves to the front side during ...  
WO/2008/021251
Flood water removal systems (10' ' ') including a motor (20), a vacuum generating device, a discharge pump (440), and a vacuum tank can be efficiently arranged to be transversely mounted to a vehicle. Certain flood water removal systems ...  
WO/2008/019818
The invention relates to a stator arrangement (13) for a pump unit having a stator housing (4) and a stator (14) which is arranged therein, wherein at least one locking element (36) is provided, by means of which the stator (14) is fixed...  
WO/2008/021251
Flood water removal systems (10' ' ') including a motor (20), a vacuum generating device, a discharge pump (440), and a vacuum tank can be efficiently arranged to be transversely mounted to a vehicle. Certain flood water removal systems ...  
WO/2008/014556
This application discloses a pump design, where the motor (1) forms the floor of the pump body, and another part (2) the roof and walls, with and o ring seal (3) between the inside of the pump wall and the outside of the motor wall, a ga...  
WO/2008/012130
The invention relates to a fluid pump (10), in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing (12,14,16,18) and having a rotationally fixed shaft (36), which is arranged in the pum...  
WO/2008/012130
The invention relates to a fluid pump (10), in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing (12,14,16,18) and having a rotationally fixed shaft (36), which is arranged in the pum...  
WO/2008/011769
A fire fighting pump and operation thereof and a fire fighting system and a fire engine are disclosed. The pump includes a housing, a motor mounted inside the housing and two or more stages of series-connected impeller assemblies. A wate...  
WO/2008/004079
A connector arrangement in a submersible electrical assembly comprising an electric equipment or electrical power consumer housed in an enclosure (20) filled with conductive fluid, wherein power is supplied to the power consumer in a con...  
WO/2008/004079
A connector arrangement in a submersible electrical assembly comprising an electric equipment or electrical power consumer housed in an enclosure (20) filled with conductive fluid, wherein power is supplied to the power consumer in a con...  
WO/2007/140549
In the given well rotary electric pump, including the pump body, shaft, sliding bearings, netting, foundation, catching head, working wheels and directing devices, the blades of the working wheels and the shovels of directing devices hav...  
WO/2007/134401
A pumping station controller (14) is provided for monitoring pumping station hardware such as a well level sensor (8) and pumps (10a,... , 1On). A user interface (12) enables a user to input data to the controller (14) for controlling th...  
WO/2007/134454
A method and apparatus are disclosed for controlling a relay pumping setup comprising an upstream pumping unit for pumping a liquid into a relay reservoir and a downstream pumping unit for pumping from said relay reservoir to a given loc...  
WO/2007/118525
The invention relates to an immersion pump having a housing which has a suction opening and an outlet opening and holds a motor and an impeller which can be driven in rotation by said motor, wherein liquid which is to be fed can be sucke...  
WO/2007/115627
The invention relates to an immersion pump having a housing which holds a motor and an impeller which is driven by said motor, and which housing has a suction opening for sucking in liquid and an outlet opening for dispensing the liquid....  
WO/2007/112928
The invention relates to a submersible pump (10) comprising a pump housing (12) which can be immersed into a liquid that is to be evacuated and is provided with a suction inlet (39) and a pressure outlet (41). The liquid can be sucked in...  
WO/2007/112938
The invention relates to a magnetic coupling pump, with the motor-driven part (13, 14) of the magnetic coupling lying radially inward and the radially outward part (6, 7) of the coupling, together with the pump rotor (4), having a floati...  
WO/2007/112938
The invention relates to a magnetic coupling pump, with the motor-driven part (13, 14) of the magnetic coupling lying radially inward and the radially outward part (6, 7) of the coupling, together with the pump rotor (4), having a floati...  
WO/2007/110271
The invention relates to a compressor unit (1) for compressing a delivery medium (62), in particular for underwater operation, comprising a compressor (3) and an electric motor (2) which comprises a stator (16) and a rotor (15), wherein ...  
WO/2007/107815
A method of monitoring an electrical submersible pumps disposed downhole in a subterranean wellbore including: storing a plurality of first measurement values, each first measurement value associated with one of a plurality of operating ...  
WO/2007/095982
The invention relates to a motor centrifugal pump having a plastic-injection-moulded stator core of the electric motor, wherein cooling channels are arranged in the plastic, through which channels the conveying medium flows.  
WO/2007/094700
The invention relates to oil production, in particular to hydraulically protecting submersible electric centrifugal well pumps. A hydroprotector of the electric motor of a well pump consists of at least one stage which comprises a cylind...  
WO/2007/090651
The invention relates to a pump device (2) for pumping waste water into and/or out from a flitering basin which comprises an inlet (20) for waste water and an outlet (22) for treated water. According to the invention, the pump (4) and/or...  
WO/2007/085045
An energy transfer system (101) includes a vessel (1) containing a thermally conductive liquid (2). First, second and third conduits (3, 7, 11) having respective first, second and third thermally conductive sections (6, 10, 14) are immer...  
WO/2007/085141
A centrifugal drainage pump is provided.It includes a pump body, a magnet rotor,a rotor shaft,a pump cover,a shaft sleeve and an impeller.A chamber for containing the shaft sleeve is provided in the center of the impeller.The shaft sleev...  
WO/2007/075781
A seal section for location between a submersible rotary pump and motor has a primary mechanical seal and a secondary oil seal at the pump end of the seal section. The mechanical seal has rigid seal faces that slide in engagement with ea...  
WO/2007/075781
A seal section for location between a submersible rotary pump and motor has a primary mechanical seal and a secondary oil seal at the pump end of the seal section. The mechanical seal has rigid seal faces that slide in engagement with ea...  
WO/2007/072561
A flat brushless motor pump comprising a flat brushless motor, an impeller coupled with the rotating shaft of the flat brushless motor, a pump casing for containing the flat brushless motor and the impeller and having a suction opening f...  
WO/2007/071217
The invention relates to a controllable coolant pump for internal combustion engines which is driven by torque transmission elements. It is an object of the invention to develop a driven, controllable coolant pump of this type for intern...  
WO/2007/066091
A refilling pump arrangement comprises a refilling hose (1), and a pump (2) mounted at the end of the hose. This arrangement provides the pump for refilling as part of the hose. This hose and pump assembly can be stored anywhere, either ...  
WO/2007/067060
The present invention relates to a cooling system for an electric motor with housing and a motor shaft (3), and where an impeller (1) is rotated by the motor shaft (3) for pumping a cooling fluid through at least one cooling circuit in t...  
WO/2007/063843
A blood pump of the disposable type for substituting for the blood circulation function of the heart or supplementing the same in which a less expensive material is employed and the durability is improved. In an impeller (2) located with...  
WO/2007/054170
The invention relates to an electric fluid pump with a semi-axial construction, the pump housing (32, 33, 34) having at least two identical pump-housing parts (33, 34). This reduces the number of different components and thus reduces cos...  
WO/2007/054169
The invention relates to an electric fluid pump with a semi-axial construction, in which the supporting ribs (31) are arranged between a pump housing part (32), situated on the radial periphery of the pump, and a first motor housing part...  
WO/2007/036754
The present invention relates to a fuel dispensing apparatus comprising one or more pumping units. Advantageously each pumping unit comprises a foam breakdown rotor for applying a centrifugal force to the fuel and the fuel foam. 5 Leaks ...  
WO/2007/033818
The invention relates to a can (14) of a wet-running electric motor (1 1 ), which can (14) is produced from a non-metallic material (22), wherein the non-metallic material (22) is provided with at least one additional hermetically sealin...  
WO/2007/033726
The invention relates to a submersible pump unit with a wet-running electric motor (11), comprising only a single impeller (8) which can be driven by the electric motor (11) with a rotation speed greater than 20000 rpm, the rotor (12) of...  
WO/2007/033817
The invention relates to a pump unit having a wet-running electric motor, wherein a rotor (8) of the pump unit can be driven by the electric motor (1 1 ) at a maximum speed of greater than 20 000 rev/min, and the rotor (8) is sealed off ...  
WO/2007/032249
An artificial heart pump in which a projected part (8b) formed at the rear end face (8x) center of a fixed body (8) is inserted into a hole (4a) formed at the fixed body (8) side end face (4x) center of a fixed shaft (4) joined to a fixe...  
WO/2007/029549
A pump drive is provided for improving pumping efficiency by suppressing reverse flow of a fluid in a pump chamber. A guide tube (23) is provided to slide by being fitted in a case inner wall plane (24), which is arranged concentrically ...  
WO/2007/024475
A submersible pump includes a pump housing forming a main compartment for receiving a pump impeller and having liquid entrance and exit openings. A sealed auxiliary compartment is formed as an integral part of the housing. A drive motor ...  

Matches 451 - 500 out of 5,949