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Patent Searching and Data


Matches 751 - 800 out of 13,240

Document Document Title
WO/2001/072351A2
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/2001/072750A1
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/2001/066170A1
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/2001/065119A1
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/2001/055593A1
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/2001/055560A2
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/2001/053703A1
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/2001/042653A1
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/2001/038741A1
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/2001/033083A1
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/2001/032268A1
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...  
WO/2001/031203A1
A vertical pump, characterized by comprising a rotating body having an impeller disposed with an axis thereof positioned vertically and a cylindrical rotor fixed on the upper part of the impeller coaxially with each other and having a ma...  
WO/2001/027477A1
A water pump using no retainer, including: a first casing (10) including a plurality of coils (12) fixed at the interior thereof and a first protrusion unit formed at one side; a second casing including a second protrusion unit (21) for ...  
WO/2001/025634A1
A submersible electric motor driven pump has a motor chamber and a pump chamber separated by a seal chamber. Inboard and outboard shaft seals(MS1,MS2) immersed in an oil buffer fluid within the seal chamber restricts the flow of liquid f...  
WO/2001/023763A1
The invention relates to a canned motor pump, comprising a hydraulic section and a motor section, whereby the hydraulic section is essentially configured from a centrifugal pump and the motor section is essentially configured from an ele...  
WO/2001/020126A2
A system for enhancing fluid flow into and through a hydrocarbon fluid production well (1) comprising a series of flow boosters (4), such as electrically or hydraulically driven moineau-type pumps or centrifugal pumps or turbines, for co...  
WO/2001/020165A2
A top-flow fluid pump (100) that is made from a high-purity fluroplastic material is disclosed. The pump (100) is used to circulate extremely corrosive fluids that are heated to temperatures of 160-180 degrees Celcius through at least on...  
WO/2001/018942A1
The invention concerns an AC electric motor (1) comprising a stator magnetic circuit including a first part (2) whereon are mounted electrical windings (7 and 8) and a second recessed part (10) wherein is mounted a rotor (14). The invent...  
WO/2001/018401A1
The invention concerns a magnetically driven pump comprising a sealing partition (48) whereof the central part forms a rotating axis for the rotating part of the pump, said central part being itself supported and centred by a rotating co...  
WO/2001/016491A1
A centrifugal pump (10), including a housing having a fluid inlet port (40) for receiving fluid at an initial pressure and an interior chamber defining a central axis. An impeller disk (16) defines first and second inlet areas (22, 24) a...  
WO/2001/014747A1
The invention relates to a fluid friction clutch comprising a clutch housing which can be driven and which comprises at least one working chamber. Said working chamber can be at least partially filled with a viscous fluid and at least on...  
WO/2001/014748A1
A pump has a housing defining a pump chamber and having a shaft opening. An impeller shaft extends through the shaft opening and is sized to define a gap between the impeller shaft and the shaft opening. An impeller is attached to the sh...  
WO/2001/012993A1
A magnet pump, comprising a front casing (1) forming a pump chamber (2) therein and having a suction port (3) and a delivery port (4) for fluid to be fed, a rear casing (6) forming a cylindrical space (5) following the pump chamber (2), ...  
WO/2001/013497A1
An assembly (10) includes first and second rotatable members (12,32) which rotate about a common axis (A) of rotation, the first member (12) being connected to a first rotor (16) and the second member (32) being connected to a second rot...  
WO/2001/009512A1
A pump (10) having a generally hollow housing (12), an annular rotor (62) rotatively mounted inside the housing (12), an annular stator (54) fixedly mounted inside the housing (12) and peripherally surrounding the rotor (62) and a closed...  
WO/2001/007789A1
A liquid pump, especially for the cooling/heating circuit in a motor vehicle, comprising a claw pole stator (21) and a rotor (6) which is separated from the stator (21) by a pipe (11) and is immersed in coolant, forming an impeller. The ...  
WO/2001/007836A1
The invention relates to a mixing valve in which the control body that controls the connection between the inlets and outlets is configured as a rotating pump wheel (24). Said pump wheel is connected to a hollow shaft (22) and controls, ...  
WO/2001/007787A1
A continuous flow axial-flow pump (1) for impelling a fluid under a continuous pattern without kinetic side effects to minimize and eliminate damage to fluid, the pump comprising first (2) and second (4) axially adjacent rotors rotating ...  
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 ...  
WO/2001/002704A1
Applications for vertical brushless motors are disclosed. Particular applications include oil pumps, power steering pumps, water pumps, automatic braking systems, exhaust control valves, compressors, cooling fans, HVAC delivery systems, ...  
WO/2001/002733A1
Fluid pump systems for use in an open loop or closed loop system driven by a motor that does not impede the flow of fluid being pumped are disclosed. A first fluid pump system includes an in-line direct drive motor. The rotor (46, 48) an...  
WO/2001/002734A1
A pump assembly (10) is provided including a motor (22), a motor housing (20), a dual-bearing rotational drive assembly (30), an integrated adapter (40), a pump housing (50), a seal assembly (54), and an impeller (52). In accordance with...  
WO/2001/002724A1
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...  
WO/2001/000994A1
The invention relates to a pumping device for several different, relatively volatile vehicle fuels, comprising a number of pump units (1) each having a closed pump housing (5) with an intake (6) connected to a supply of one of the vehicl...  
WO/2000/074811A1
The invention relates to a degassing centrifugal apparatus such as a pump having energy recovery means and to a process for degassing a fluid. The apparatus has a rotatable hollow rotor (20) connected to a fluid inlet (14) at one end and...  
WO/2000/074748A1
This invention is a non-contact axial flow turbo blood pump for propelling blood, which is composed of a pump housing (24) that defines a pump axis, with inlet, outlet openings at opposite axial ends of the pump housing, a rotor unit (17...  
WO/2000/075518A1
A pumping arrangement for pumping a liquid product (10), such as oil products or liquefied gas, from a tank or container (11) comprises a rotary, high capacity main pump (12), such as a centrifugal pump, to be submerged in the liquid pro...  
WO/2000/074812A1
The invention relates to a degassing centrifugal apparatus such as a pump and to a process for pumping and degassing a fluid. The apparatus has a rotatable hollow rotor (20) connected to a stationary fluid inlet (14) at one end and a sta...  
WO/2000/073621A1
A device for cooling and lubricating a subsea device (1) which includes an electric rotary machine (4) and a fluid-rotation machine (6-8) drive-connected (5) thereto, which electric rotary machine (4) has a lubrication/cooling circuit co...  
WO/2000/068572A1
The invention relates to a hydraulic aggregate which is provided with a housing (10) being a reservoir for pressure fluid. The housing comprises a bottom (12) a cover (11) and a middle part (13) arranged therebetween, whereby said middle...  
WO/2000/068575A2
Apparatus (10) for pumping fluids includes a housing (14) having a pump chamber (56) therein. The pump chamber (56) has an opening formed in one end (22) of the housing (14). An impeller (120) is rotatably mounted in the pump chamber (56...  
WO/2000/067368A1
The invention relates to an electronically commutable motor, in particular, for a liquid pump. In said motor, the excitation windings can be connected to and disconnected from a continuous supply current, using semiconductor switches whi...  
WO/2000/064701A1
The invention relates to a pump device for improving the loading capacity of tank vehicles which are loaded by establishing partial pressure in the complete tank and drawing the liquid into the tank through a suction line. The solution i...  
WO/2000/064508A1
An implantable rotary sealless blood pump is provided. The pump can include hydrodynamic, magnetic and hybrid, hydrodynamic/magnetic bearings and combinations thereof. The rotor can include a shaft or the pump can be made shaftless. Clos...  
WO/2000/064509A1
A pump assembly (1, 33, 200) adapted for continuous flow pumping of blood. In a particular form the pump (1, 200) is a centrifugal pump wherein the impeller (100, 204) is entirely sealed within the pump housing (2, 201) and is exclusivel...  
WO/2000/064031A1
The invention relates to a rotor device (1) in which a rotor (3, 30, 32, 36, 42) interacts with a fluid. The invention is characterized in that: a) the rotor device (1) comprises a support tube (2); b) a rotor (3, 30, 32, 36, 42) is moun...  
WO/2000/063529A1
There is disclosed a pump and pumping system for pumping dense phase gases, specifically for injecting carbon dioxide into an oil or gas reservoir that includes a pump, a motor, and a casing in which the pump and motor reside. There is a...  
WO/2000/064030A1
The invention relates to a device for delivering single-phase or multiphase fluids without altering the properties thereof. The aim of the invention is to provide a device for carefully delivering single-phase and multiphase fluids which...  
WO/2000/062841A1
The aim of the invention is to provide a device for axially delivering fluidic media such that said device exhibits a low-friction sealing, which does not generate any turbulences, between the stationary tubular hollow body and the rotat...  
WO/2000/060239A2
A system for allowing pumps to run in parallel and preventing back flow through a non-operational pump. The system includes a first pump in parallel with a second pump. The system further includes a check valve in fluid communication wit...  

Matches 751 - 800 out of 13,240