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Patent Searching and Data


Matches 651 - 700 out of 5,949

Document Document Title
WO/2002/091554
A torque-generating apparatus comprises a first assembly (10, 25) including a generally cylindrical member of magnetically soft material and having a longitudinal axis and a second assembly (2) arranged coaxially within the first assembl...  
WO/2002/088547
The invention relates to a method for controlling an assist pump for fluid delivery systems with pulsatile pressure. If, for example, a heart-assist pump is operated with a constant rotational speed, the blood is continually delivered th...  
WO/2002/088549
Hydraulic pump (2) that is internally provided with a centrifugal rotor (3) connected to one of the ends of the shaft (4) and a fan (5) placed on the other end of the shaft (4), also having an open motor (6) placed between the rear flang...  
WO/2002/088548
Since disruptive forces can be continuously exerted upon a rotor during a pulsatile flow through a pump with a magnetically mounted rotor (permanent magnets and addition control current coils), it is necessary to adjust position i.e modi...  
WO/2002/082955
The present invention is related to pumps and, more specifically, to pumps for use with inflatable devies. According to one embodiment of the present invention, a pump (10) is provided. The pump (10) includes an outer housing (20) and an...  
WO/2002/081926
The invention relates to a centrifugal pump unit, wherein the centrifugal pump is connected to a motor via a magnetic coupling. The magnetic coupling consists of a first part which is connected to the motor by a shaft and a second part w...  
WO/2002/078493
The present invention is related to inflatable devices, and, more specifically, to inflatable devices in combination with rigid surfaces and a method for deflating an inflatable device. According to one embodiment of the present inventio...  
WO/2002/075913
The present invention relates to a piezo-electric drive consisting of a stator (2) and a rotor (4). It is characterized by the following features: It is provided that the stator (2a) has a cylindrical piezo-element (2) that has at least ...  
WO/2002/073040
A fluid pump (10) with a first sub-housing (12) having an electric motor (14) therein which is in line with a second sub-housing (16) having an impeller (18) therein, with the motor (14) having a rotor shaft (20) which extends through a ...  
WO/2002/066837
A device for axially conveying fluids, wherein the conveyor part thereof is entirely magnetically borne and the radial bearing thereof is provided with sufficient rigidity and efficiently dampened, whereby problems encountered when passi...  
WO/2002/064958
A coolant pump (26) is utilized with an internal combustion engine (10). The coolant pump has a pump housing (34), an impeller shaft (62), a pump impeller (66), and a damper assembly (68). The housing (34) is fixedly mounted relative to ...  
WO/2002/063166
A fluid pump includes a pump housing(12 AND 14) having a housing cavity with an inlet and an outlet. An encapsulated stator assembly (22) is positioned within the housing cavity (15) and at least partially defines a fluid passage from th...  
WO/2002/058213
The present invention relates to a canned motor which can be manufactured more easily to lower a manufacturing cast, and a canned motor pump having such canned motor. The canned motor comprises a stator (12), a rotor (16) provided in the...  
WO/2002/051658
The invention relates to a vehicle heating device comprising a housing containing at least one housing part (10) on which a pump (39) is arranged for a liquid heat transfer medium. In order to provide a more compact vehicle heating devic...  
WO/2002/052156
The invention relates to a method for operating a pump unit provided with a centrifugal pump which is driven by an electric motor and which comprises a rotor (11) extending inside a collimator (10). The rotor chamber (17) is separated in...  
WO/2002/046620
Disclosed is an energy-saving type pump (1) suitable for pumping a large volume of fluids. That is to say, the pump (1) comprises a body (6), a motor (2) having 8 or more electrodes for driving the pump, an impeller (4), and vanes being ...  
WO/2002/045246
A mechanical drive system (1) operating by magnetic force, to be fitted on a pump, comprises a basic structure (11, 12, 13) on which a drive shaft (7), which extends along a longitudinal axis (14), is supported rotatably. A driving eleme...  
WO/2002/041935
The invention relates to a miniature motor which actuates an impeller wheel (12) and rotates in a pump housing (14). The exciting winding of the micromotor is surrounded by an enveloping return structure (18) made of ferromagnetic materi...  
WO/2002/041484
A system for pumping or mixing a fluid F using a levitating, rotating pumping or mixing element 812 and various other components for use in a pumping or mixing system are disclosed. The pumping or mixing element 812 is placed in a fluid-...  
WO/2002/038964
A centrifugal (non-positive displacement) motor pump suitable for use in a small output area with extremely small water volume, rather simple in structure, and small in size, comprising a tubular motor stator (10), a motor rotor (20) hav...  
WO/2002/035098
The invention relates to a pump (10), comprising a pump head (12) which has a pump chamber (11), and an electromotor (14) which drives the pump head (12) and which has a rotor (38). Said rotor (38) is connected to the pump head (12) and ...  
WO/2002/035031
A prefabricated water container is provided. The water container includes a fixed plate which is fixedly attached to a wall; a movable plate which corresponds to the fixed plate and is installed to face the fixed plate; collapsible side ...  
WO/2002/033332
An energy exchanger (2) is connected to an earth energy exchanger (18) via a flow line (10) and a return flow line (14). The flow line (10) and the return flow line (14) are both provided with a regulatable stop valve (12,16). At least o...  
WO/2002/031372
A system (10) for pumping or mixing a fluid using a levitating, rotating magnetic bearing (14) and various other components for use in a pumping or mixing system are disclosed. The magnetic bearing (14) is placed in a fluid-containing ve...  
WO/2002/027225
A blood pump used for extra corporeal circulation, and more particularly, a small turbo blood pump including a casing (3) having an interior region, an aperture formed in an upper portion defining a blood inlet (1), and an aperture forme...  
WO/2002/024253
A surgical irrigator comprises a pumping unit connected to a handpiece by means of elongated irrigation tubing. The pumping unit includes an impeller, batteries and a battery powered motor to drive the impeller. The handpiece includes an...  
WO/2002/018797
The unit comprises a brushless electric drive motor (18), which has a discoid rotor (36) surrounded on its periphery by a stator (44). The unit also comprises a pre-stage pump part (20) and a main stage pump part (22) each of which havin...  
WO/2002/004816
A monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor, having vanes which are deformable at least along part of their extension so as to change their curvature, when loaded, in one directio...  
WO/2002/002947
An isolation container (100) with a downhole electric pump assembly has an annular housing with an axial inlet and outlet. The pump (104) is located within the container. The assembly includes an electric pump (108) positioned above and ...  
WO/2001/094786
A submersible circulation system comprising a motor (12), a first pump (38), a second pump (44) and a casing (62). The motor includes a shaft. The first and second pumps each have an impeller driven by the shaft of the motor. The casing ...  
WO/2001/094783
A pump (10) which is designed to be mounted within a recirculating water system where a portion of the recirculating water is diverted (bypass water) and caused to flow through a motor chamber (24) with this recirculating water to absorb...  
WO/2001/090584
The vessel (20) has provision to hold within its void a pump (21) when the vessel with the pump inside it are placed in the pond water, the pump is isolated from the water surrounding the vessel. A vertically adjustable water depth inlet...  
WO/2001/087121
The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device. In one embodiment the application is directed to an inflatable device (10)...  
WO/2001/087779
This invention relates to a device for a household water purifier in which raw water is pressurized and is filtered by means of inverted osmosis, ultra or nanofiltration or the like. The device is provided with a central unit having a fi...  
WO/2001/086831
A three phase power cable is employed to transmit data encoded in a phase-to-phase manner within a high frequency carrier signal transmitted simultaneously with power transmitted from surface equipment to downhole components. The high fr...  
WO/2001/083941
A well pump device (1), especially for use in connection with the recovery of hydrocarbons, wherein the pump (1) is carried to a predetermined position within a well pipe (10). The pump (1) is provided with an external seal (8) which is ...  
WO/2001/084690
A permanent-magnet electric motor for circulation pumps of heating systems, comprising a stator (10) composed of a pack of metallic laminations (11) which form pole shoes (12) to which electrical windings (14) are coupled. A permanent-ma...  
WO/2001/079702
A fuel pump for use in conjunction with a gas turbine engine is disclosed which includes a pump housing, a shrouded rotor member, and an inlet post member, wherein fluid is axially supplied along the pump centerline and then radially dis...  
WO/2001/075264
A surface pump assembly having a pressure vessel containing a submersible pump (22) and an industrial motor (24) located at least partially external to the pressure vessel having a shaft or seal thrust chamber (26) extending at least par...  
WO/2001/072351
In a centrifugal flow blood pump, usable in left ventricular assist applications, blood is pumped from an inlet (16) to an outlet (22) by a primary impeller (18). A portion of the blood that enters the pump follows a secondary channel (2...  
WO/2001/072750
A novel crystal form of a pyrrolidylthiocarbapenem derivative which has excellent stability. It is a crystal of (+)-(4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3[[(3S ,5S)-5-(sulfamoylaminomethyl)pyrrolidin-3-yl]thio]-1-azabicy clo...  
WO/2001/066170
The invention relates to a blood pump, especially to a ventricular heart-assist pump, comprising a blood chamber which is provided in a pump case and which is configured for accommodating a rotor that can rotate around a rotor axle. An i...  
WO/2001/065119
The invention relates to the design of a sinking centrifugal pump stage, in particular to the pumps used for the extraction oil and other liquid substances by means of a borehole. Said pump stage comprises an impeller fixed to a shaft an...  
WO/2001/055593
A motor system using a totally enclosed fan-cooled (TEFC) electric motor (20) to provide power. The motor enclosure may be sealed with a variety of sealing devices (149) including a double mechanical seal, and/or a repeller positioned ad...  
WO/2001/055560
The inventive plant building comprises a purification chamber (6) and a pump chamber (4) with a pump (14) for cooling water. Said pump chamber directly adjoins the purification chamber (6) and the geometry of the pump chamber is such tha...  
WO/2001/053703
The present invention refers to a leakageless water pump in which the rotation of the motor is transmitted to the impeller by means of a pair of plates on which magnets are equipped. A partition is mounted in the casing of the pump to se...  
WO/2001/042653
An apparatus and method for a centrifugal pump (10) for pumping sensitive biological fluids which includes (i) an integral impeller and rotor (21) which is entirely supported and rotated magnetically by electromagnets (52, 54), (ii) a pu...  
WO/2001/038741
A conventional fluid pump, in particular, for the cooling/heating circuit of a motor vehicle, comprises a claw-pole stator and an impeller rotor, which is submerged in a liquid and separated from the claw-pole stator by a tube. The numbe...  
WO/2001/033083
The invention relates to a liquid tank with centrifugal pump with a substantially vertical pump shaft for discharging of the liquid, wherein the pump is arranged with the intake side at the bottom of the tank and via a drive shaft connec...  
WO/2001/032268
The invention relates to an installation for fighting fire in a unit, preferably a train with at least one railway carriage, or a tunnel, the installation comprising several spray heads whereof a number that is smaller than the total num...  

Matches 651 - 700 out of 5,949