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WO/1992/001142 |
A coolant pump system (10) driven by an electric motor (16) mounted in-line with the pump shaft (196) to the pump housing (12). The system minimally includes a pump body (192) having a bore (200) therein, a coolant pump impeller (194), a...
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WO/1992/001299 |
Fuel bundles of a boiling-water nuclear reactor are inverted during refueling methods. Bundles burned in a first orientation are subjected to greater burnup near their bottoms and greater conversion of fertile fuel to fissile fuel near t...
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WO/1992/001289 |
A reactor core (104) includes upper and lower matrices of fuel bundles. Fuel rods in the upper matrix (126) have their plenums oriented upward, while fuel rods in the lower matrix (124) have their plenums oriented downward. Refueling inv...
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WO/1992/001297 |
A boiling water nuclear power plant (100) includes a reactor core isolation cooling (RCIC) system in which a turbine (146) used to pump feedwater to the reactor also drives a generator (200). The generator (200) is used to drive RCIC com...
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WO/1992/001291 |
A reactivity control system includes a reservoir (42) containing a liquid nuclear poison (44), at least one stationary, hollow control blade (32) extending vertically into a reactor core (14), and a poison conduit (52) disposed in flow c...
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WO/1992/001292 |
A drive (10) for positioning a control rod (12) in nuclear reactor core (104) is disclosed. The drive includes a turbine rotor (34) joined to hollow spindle (26) in a housing. The spindle has a piston (82) disposed therein and a piston r...
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WO/1992/001290 |
In accordance with the present invention, a nuclear reactor (100) with a recirculating heat transfer fluid has a bi-level core which provides enhanced flexibility in fuel arrangement. The bi-level core (104) includes two sets of fuel uni...
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WO/1992/001294 |
A drive (10) for positioning a control rod (12) in a nuclear reactor is disclosed. The drive (10) includes a housing (112) having a piston disposed therein, with a piston rod extending from the piston and through the housing for being jo...
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WO/1992/000438 |
In a subsea pumping system, an electrically powered pump unit (23) is run and retrieved through an X-mas tree (10) in a subsea installation by means of tubular conductor piping (22) by which the pump unit is energized.
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WO/1991/019905 |
A submersible pump (1) for displacing liquid fuel (2) (diesel oil) comprises liquid-displacing means in the form of a rotor (3) disposed in a casing (4). The casing (4) has a liquid fuel inlet (5) and a liquid fuel outlet (6). An electri...
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WO/1991/019103 |
A brushless DC motor has a rotor (10) with impeller blades (50) mounted thereon to pump blood through the central portion of the motor. Over a portion of its length, the rotor (10) has a cylindrical surface (20) that is spaced from a coo...
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WO/1991/017341 |
The invention relates to an apparatus for producing a high-pressure fluid jet used in fluid-jet cutting. As main components, the apparatus comprises a body (3), a shaft (10) journalled (5a, 5b, 6a, 6b) therein, a power unit (1, 2) for dr...
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WO/1991/013256 |
A combined electric motor and pump unit has a single casing (4) having an electric motor with stator (1) and rotor (2) and a pump with fluid reaction member (3) united with so as to form part of the rotor (2). The member (3) is located i...
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WO/1991/012412 |
A centrifugal pump (1) of the "sealless" type including an impeller (12) mounted on a shaft (11) supported by an independent bearing system. The impeller shaft is driven by a motor (19) located outside of the casing through a set of magn...
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WO/1991/011618 |
The present invention provides a motor driven pump comprising a tapered pump member (3) and a funnel shroud (12) with a large end and a small end fitted over the tapered pump member. The pump member is reversible in its direction of oper...
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WO/1991/011350 |
The impeller pump has a casing (E) comprised of a single piece pump body (CB) and of a single piece rear cover (TP) assembled together. The pump body (CB) configures an axial tubular suction extension (1), an impulsing chamber (2) wherei...
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WO/1991/007004 |
An induction motor of the outer rotor-type in which rotor windings are arranged on the outer side of the stator winding. When applied to industrial machinery and traffic systems, the output of the motor can be transmitted to the machine ...
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WO/1991/004417 |
Contra-rotating impeller assemblies in a pump-compressor unit comprise support plates (6, 7; 101, 102, 110; 203, 204) opposed along a common axis and mounting concentric annular arrays of impeller blades (14, 15; 115, 116; 205-208), the ...
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WO/1991/002659 |
A device is disclosed for heating the seating compartment (10) of a motor vehicle. The heating compartment has a heating circuit connected to a coolant circuit (14) of the internal combustion engine (16). A feed pump (32) arranged in the...
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WO/1991/001584 |
A centrifugal pump (16) for left ventricle assist includes a pump housing forming an impeller chamber (44) with inlet and outlet passages and enclosing an impeller (46) rotatable to move blood or other fluids through the impeller chamber...
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WO/1990/015640 |
A centrifugal pump for left ventricle assist includes an impeller chamber (52) with inlet (50) and outlet passages and enclosing an impeller (54) rotatable to move blood through the impeller chamber, and a rotor chamber (38) enclosing a ...
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WO/1990/004110 |
Said filtering device prevents blocking up while also assuming a grinding function. This is achieved by a filtering slit (5) formed by bearing bushes (3, 4) of a hard material arranged in the housing (1) and on the shaft (2) of the rotor...
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WO/1990/004279 |
Said canned motor pump (1) is intended for driving a machine in contact with a liquid, in particular for a centrifugal pump delivering explosive liquids. Since direct cooling by a branch current of the conveyed liquid flowing through the...
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WO/1990/004109 |
To compensate longitudinal dilatation of the can (3) due to constructioal tolerances, to thermal expansion and to the internal pressure of the canned motor pump, said can is provided with one or several beads (5) which go round its perip...
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WO/1990/004111 |
Bearing for the end of the shaft of a canned motor pump which is furthest from the pump. In order to facilitate the exchange of the plain bearing bush (2) from the pump side while simultaneously ensuring that the side furthest and the si...
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WO/1990/002880 |
A cleanable centrifugal pump without stuffing box, in particular a side channel pump, comprises at least one impeller (5) driven by means of a magnetic, synchronously transmitting rotary coupling arranged inside the impeller (5). The two...
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WO/1989/011039 |
In known submersible motor-driven pumps, an intermediate chamber (4) filled with a lubricant or coolant, e.g. oil, is arranged between the motor housing (1) and the hydraulic element (2). A separating wall (7) arranged in the intermediat...
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WO/1989/006875 |
An end cap (10) for a fuel pump provides suppression of radio frequency noise generated by the motor of the pump. The unitary end cap (10) includes radio frequency suppression circuitry (20, 28) disposed therewithin and is configured so ...
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WO/1988/009874 |
A rotary pump mechanism (1) which is comprised of a coupling section (2) that couples an impeller (7) and a driving member (16) for driving the coupling section and, in turn, the impeller. The coupling section incorporates most of the co...
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WO/1988/003993 |
A pump, particularly for liquid media, with a driving motor comprising a rotor and stator, and a centrifugal system made up of driving plates (2), and inlet tube and outlet tube (7, 8). The rotor, as part of a centrifugal system, is desi...
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WO/1988/002444 |
A rotary pump constructed so that the abrasion dust formed in a sliding portion does not contaminate a liquid to be deliver. In a pump consisting of a vane wheel, a casing having a suction port and a discharge port for a primary liquid t...
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WO/1988/001693 |
A fluid pump including a double-entry impeller (47) whose outer boundary is defined by a dissected spherical surface. The spherical surface includes an equatorial region (59) which may be a groove or a cylindrical surface. The impeller i...
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WO/1987/005973 |
A method of and means for anti-contamination flow control in liquids in a system using a motor unit (1) adapted to be driven by a pressure liquid having its drive coupled to drive a pump unit (6) adapted to pump liquid under pressure to ...
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WO/1987/005667 |
A cartridge or plug-in pump for use in a fluid holding receptacle such as an aircraft fuel tank (33). A pump housing (32) on the fluid holding receptacle has an inlet opening (40) to allow passage of fluid from the receptacle into the pu...
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WO/1987/002425 |
A loop pump (1) for pumping liquid, i.e. a pump comprising a pipe (3) or the like embodied in a number of turns/loops, said pipe being rotated by a drive source to introduce alternately air and liquid into an inlet (4) and pumping the li...
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WO/1987/000250 |
A pump unit or the like comprises an electric motor (11) and a pump (12) actuated by said electric motor. The motor (11) is mounted in a concave housing (111) shaped by forming and preferably made of stainless steel and having relatively...
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WO/1986/000672 |
A centrifugal blood pump (10) has a tapered seal (62) between a pump housing wall (16) and a hub (34) of an impeller (30) which provides a fluid tight seal interface (70) surrounding a drive shaft (32) which is connected to the impeller ...
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WO/1985/003270 |
A device in fluid pressure generators comprising an annular casing (4) which is peripherally mounted and driven in a through-flow channel (1). The inner face of said annular casing forms part of the wall of the through-flow channel. The ...
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WO/1985/001781 |
In pump stations for waste water comprising an upper part (5) functioning as control room and a lower part (1) for further conveyance of the waste water, there is a need to simplify both the function of the pump and its service. These ob...
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WO/1985/000297 |
Process and device for the separation of substances of fluid or gaseous multisubstances media by means of membranes (21) in a pressure container (20) with pretreatment and conduction of the medium to be treated in a circulation circuit. ...
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WO/1984/004365 |
A hydraulically driven pump aggregate is submerged in the pump medium and is especially designed for use on board tankers for the transport of cargo oil, solvents and similar cargoes. The pump aggregate comprises a pump assembly submersi...
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WO/1984/003915 |
A hollow body (3) surrounding a coupling (11) driving the pump (5) and secured to an output shaft (10, 12) of the engine (4) is connected on one side to the engine (4) and on the other side to the pump (5). The hollow body (3) contains a...
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WO/1984/003878 |
Apparatus for discriminating between fluids and for improving the safety of kerosene heaters (10) by discriminating between kerosene suitable for heater use and more volatile materials such as gasoline. Structure is provided to prevent f...
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WO/1984/001138 |
In connection with a cargo discharge pump (6) that is submerged within a cargo tank (2), a stripping system that is utilized after most of the cargo has been pumped out of the tank by the discharge pump. An auxiliary tank (10) is arrange...
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WO/1983/001660 |
A pump system for placing in explosively dangerous locations on board a tanker comprising two tandem pumps. A first pump (12), which is submerged in the cargo in a freight tank (11), is driven by ahydraulic motor (13) via a short shaft (...
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WO/1983/000364 |
A motor-pump assembly has an air-lock sealing arrangement located between the motor and pump to prevent contamination of the motor by the fluid being pumped and provide a low friction seal therebetween. The motor-pump assembly (2) has a ...
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WO/1982/003176 |
A novel pump apparatus and method, the pump (10) including a magnetically suspended and rotated impellor (20) inside the pump housing (12). A novel sensor system (34, 35) detects the position of the impellor (20) and thus provides the ne...
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WO/1982/001039 |
An axial or oblique flow type underwater pump improved to reduce the load on the connection to a discharge tube due to vibration in operation. A motor casing (16) is formed integrally with a pump casing coaxially with the central axis of...
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WO/1981/001727 |
A fluid-handling apparatus having a magnetic drive comprises a rotatable driven member (22) and a driven member (44) provided with blades (48) for imparting motion to a fluid and mounted on a stationary shaft (30) forming a one-piece uni...
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WO/1979/000782 |
A motor equipment for various pumps, blowers, compressors, dust collectors, cleaners, etc. in which the fluid is sucked and/or discharged through an impeller. Since the conventional motor equipment of this kind consists of a combination ...
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