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Patent Searching and Data


Matches 101 - 150 out of 1,273

Document Document Title
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, ...  
WO2005057016A3
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/2005/061902A1
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)...  
WO2005030296A3
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/2005/057016A2
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...  
WO2003048579A3
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 ...  
WO2003103534A3
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/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...  
WO2003038286A3
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/2003/048579A2
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 ...  
WO2002088547A3
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/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...  
WO2001087121A3
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/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...  
WO/2001/087121A2
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/2001/074419A1
The invention relates to a paracardial blood pump. A component of the housing (10) pertaining to the inventive pump protrudes through the cardiac wall into the heart and suctions blood from the heart. The blood is pumped into one of the ...  
WO/2001/066170A1
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/2001/061151A1
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...  
WO2001002724A8
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...  
WO2001009486B1
A ribbon drive power generation system and method is disclosed. The system is equipped with an extended tube (16) having an intake at a first end and an outlet at a second end. A ribbon (14) formed of helical coils is mounted in the tube...  
WO/2001/009515A1
A ribbon drive pumping apparatus and method for liquids is disclosed. The pump has an extended tube (14) having an intake at a first end and an outlet at a second end. A ribbon (12) formed of helical coils is mounted in the tube for rota...  
WO/2001/009516A1
A ribbon drive propulsion apparatus and method for water-borne vessels such as surface craft and submersibles is disclosed. The vessel is equipped with an extended tube (14) having an intake at a first end (A) and an outlet at a second e...  
WO/2001/009486A1
A ribbon drive power generation system and method is disclosed. The system is equipped with an extended tube (16) having an intake at a first end and an outlet at a second end. A ribbon (14) formed of helical coils is mounted in the tube...  
WO/2001/008580A1
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 ...  
WO/2001/007760A1
A rotary blood pump comprising at least one rotor (1), a housing (3) and at least one conduit (16) in the rotor for conducting a by-passed portion of the blood into a clearance (9) between the rotor and the housing, the portion of blood ...  

Matches 101 - 150 out of 1,273