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Patent Searching and Data


Matches 101 - 150 out of 1,039

Document Document Title
WO/2009/065764A1
A combined pump and valve apparatus comprises a cylindrical casing (41); a shaft (42) arranged symmetrically in the casing; a device (43, 47a-b, 43', 43'') fixedly attached to the shaft and in close fit with the cylindrical casing, there...  
WO/2009/062262A1
A power generator assembly (10a) for using kinetic energy from a flowing fluid (12) to generate power. The power generator assembly (10a) includes a blade assembly (14) and a generator (30). The blade assembly (14) has a head end (16) fo...  
WO/2009/020386A1
The invention relates to a device for pumping a liquid from a lower-lying level to a higher-lying level, comprising a channel running at an angle to the horizontal and a member arranged therein and driven rotatably about a shaft for the ...  
WO/2009/010310A1
The invention relates to a sinking pump, comprising: a tubular housing with a feed opening and a discharge opening; at least one drivable pump rotor arranged in the tubular housing; wherein the pump rotor comprises a cylindrical casing, ...  
WO/2008/106861A1
A method for generating electricity utilizing wind energy includes the following steps: providing a device for collecting wind energy vertically, the device includes a vertical impeller body (1), there are blades (2) out of the impeller ...  
WO/2008/086575A1
A pump (10) for transfer of volumes of a low viscosity liquid from a source; said pump (10) including a helical spiral flange (14) fixed within a stationary cylindrical body (12); outer edges (16) of said flange in contact with an inner ...  
WO/2008/083255A1
Injection molded ring fan embodiments and methods for making them. The methods influence material flow during the injection molding process such that a major portion of the materials flowing in opposite directions in the outer rings pref...  
WO/2008/060147A2
The invention relates to a rotating machine for interaction with a fluid medium, comprising a rotor with one or more blades with which energy is extracted from or relinquished to the medium. The blade extends helically or spirally along ...  
WO/2008/060141A1
The invention relates to a rotating machine for interaction with a fluid, comprising a rotor and one or more blades with which energy is extracted or supplied to the fluid. The blade extends screw thread or spiral like along the rotor sh...  
WO/2007/147380A1
The invention relates to an axial pump comprising a rotor disk for operating ranges at theoretical specific rotational speeds higher than 500, said axial pump being characterised in that the rotor disk is a screw propeller rotor disk.  
WO/2007/134405A1
A blower (100) for providing a supply of air at positive pressure in the range of approximately 2cmH2O to 30cmH20 includes a motor (140), at least one impeller (150, 152, 154), and a stationary component (170, 172, 174, 180, 182, 184, 19...  
WO/2007/119010A1
Rotodynamic machine for the compression of a multi-phase fluid comprising at least one gaseous phase and one liquid phase. The machine comprises at least one moving wheel (6) rotating around an axis A-A1 and mounted in a housing (1) and ...  
WO/2007/097802A2
A cooling fan is disclosed. The cooling fan comprises fan blades having a primary blade component and a secondary blade component. The primary blade component produces an axial airflow. The secondary blades produce a radial airflow. The ...  
WO/2007/054169A1
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...  
WO2007007142B1
The air compressor actioned by a continuous propeller (5) in a revolving tube (2) is being used in the field of thermic engines and provides a high and constant pressure in acceleration and in low rounds. Using a proper electrical engine...  
WO/2007/020972A1
An artificial heart pump in which a magnetic repulsion by each of permanent magnets (3a), (5b), (5c), and (8a) is adjusted to set clearances between both end faces of a sleeve (5) and the end faces of fixed bodies (3, 8) to optimum dista...  
WO/2007/003351A1
An axial flow pump (10) is presented which includes a housing (1) with an inlet (2) and outlet (3) and a magnetically active rotor (5) in the housing which is provided with a passage (6) in the interior and with at least one spiral-shape...  
WO/2006/066388A1
A pump for a liquid circulation system in the oil industry and method of sizing a pumping system, said pump having a rotor and a stator each defining a surface, the rotor surface defining an helical thread having a thread height and a th...  
WO/2006/061914A1
An inducer in which the number of vanes at an inlet is one and the number of vanes at an outlet is three, the gravity center of an entire blade is positioned on the rotating axis thereof to prevent a rotational unbalance from occurring, ...  
WO/2005/061902A1
A tubular core (8), provided with permanent magnets (9), of a rotor of a pump electric motor is fastened to one or several hydraulic rotors (7a, 7b) having an axis (6), which is coaxial with a geometrical axis (A) of the tubular core (8)...  
WO/2005/057016A2
An improved high performance inducer for a pump assembly includes a set of primary blades and splitter blades to achieve a vapor-to-liquid ratio up to 1:1. Minimum back pressure is provided at the leading edge to aid in getting fluid int...  
WO/2005/030296A2
A blood pump (10) has an impeller (14) rotatably disposed and magnetically suspended within a cavity (22) of a stator (18) by a plurality of magnetic bearings (40, 50, 60) including an axial bearing (40) to support the impeller axially i...  
WO/2005/002646A1
A fluid pump comprising a driver having a tubular shaped body (1) defining a tube axis and a number of elements circumferentially spaced around the body (1). Each element is responsive to a signal so as to cause a corresponding portion o...  
WO/2004/101029A1
The blood pump comprises a stationary housing structure and a rotative impeller mounted within the stationary housing structure and defining with the stationary housing structure passages through which blood pumped by the rotative impell...  
WO/2004/059171A1
A hydrodynamic bearing-type pump, where a shaft can be radially supported in a rotatable manner, a pumping pressure for a fluid can be reliably produced by a hydrodynamic bearing, and the pump can be downsized. A hydrodynamic bearing-typ...  
WO/2004/055379A1
A screw conveyor for pumping a fluid or moving a semi-solid, said conveyor comprising a shaft and a lower support bearing assembly, said lower support bearing assembly comprising a housing, a bearing cartridge, a bearing and a seal, wher...  
WO/2004/009999A1
A fluid pump (10) includes a pump housing (12) having a housing cavity with an inlet and an outlet. A diffuser (20) is located within the housing cavity, and includes a portion that is attached to the housing. The diffuser has a diffuser...  
WO/2003/103534A2
The present invention involves a blood pump (32) having a pump housing with an internally disposed rotor that collectively provide a dual inflow (34, 35) capability which prevents thrombus formation and reduces hemolysis during use.  
WO/2003/075981A1
A mixed−flow blood pump presents features of both axial−flow and radial−flow pumps. This mixed−flow blood pump comprises a stationary housing structure defining at least one blood inlet, a blood outlet, and a blood conduit betwee...  
WO/2003/070299A1
An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same are disclosed. One embodiment ...  
WO/2003/069250A1
A method and device for the adjustment of the temperature of a rotating body easily. Fluid passages (74, 76) co-rotating with a rotating main body (10) are provided outside the rotating main body (10). Rotary shafts (30a, 30b) are fixed ...  
WO/2003/064860A1
The ribbon drive generation apparatus is comprised of a ribbon-like curved shape, composed either of metal or other suitable material, attached to a central axle with the complete apparatus being contained in a tube (10) having a constan...  
WO/2003/062642A1
A pump (10) with a pump shaft (20) which extends through the rotor (54) of a drive motor (52) which is arranged in a motor housing (30), and beyond the shaft bearing (22) thereof, provided towards the end thereof with a pump wheel (46) f...  
WO/2003/056186A1
A gas pump is described and claimed, having a rotor (2), arranged to rotate about a longitudinal axis (A), and a housing (3) arranged to enclose the rotor (2) and having a gas inlet and a gas outlet. The rotor (2) has at least one helica...  
WO/2003/052274A1
The invention relates to a method and a device (10) for transporting flowable building material in a heated state. According to the invention, a pump (12) and a pipe (14) connected to said pump (12) are provided. The pump (12) and the pi...  
WO/2003/048579A2
A screw pump for transporting a viscous product is described comprising a cylindrical housing connected to a removable bottom piece in one end and a removable cap in the opposite end, a rotor having one or more screw blades connected to ...  
WO/2003/038286A2
The present invention relates to propulsion and hydraulic systems having a coaxial design wherein the inlet section (1), impeller section (12), and outlet section (13) of a mixed flow pump system (3) all have a common centerline axis or ...  
WO/2003/014574A1
A floating pump assembly including a compact floatation assembly structured to float on a body of water and supporting a flow pump housing having an inlet, outlet and fluid drive assembly being submerged and wherein at least the outlet i...  
WO/2002/099287A1
The invention relates to a pump (1) comprising a pump feed tube (13) for transporting a heat exchange medium (6) for a reactor containing a bundle of catalyst tubes (2). The pump (1) has a housing (14) that surrounds the pump feed tube (...  
WO/2002/088547A2
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/2002/088548A1
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/2002/082955A1
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/2002/078493A1
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/2002/075913A1
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/2002/066837A1
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...  
WO2001002724A9
A blood pump (500) preferably has a magnetically suspended rotor (502) that rotates within a housing (506). The rotor (502) may rotate about a stator (504) disposed within the housing. Radial magnetic bearings (560) may be defined within...  
WO2001008580A9
A catheter (100) includes a sealed multi-lumen heat transfer extension (102) designed to internally circulate a coolant, and thereby cool tissue or fluid surrounding the catheter. The heat transfer extension includes a tube (104) having ...  
WO2001061151B1
There is designed an equipment with mutually interacting spiral teeth, comprising at least one rotor and one stator with a working surface limited by at least two sprial teeth, which are in mutual interaction by their wrappers and the sp...  
WO/2002/008610A1
The invention concerns a sanitary shredder comprising at least a channel feeding water into a caisson (1), an electric motor whereof the axis has at its end a rotor pump (5) with blades (6), and shredding means opposite the shredding cha...  
WO/2001/096741A1
A vehicle regenerative-type fuel pump reduces the possible accumulation and effects of contamination relative to impellers (20) with outer ring members (54). The outlet port (34) on the pump cover member (24) is enlarged and a C-shaped g...  

Matches 101 - 150 out of 1,039