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WO/1996/033007A1 |
The present invention relates to a device for admixing a first fluid into a second fluid, comprising a housing (12) with a rotationally symmetrical chamber (30), here referred to as rotation chamber, and arranged with an inlet (24, 26) f...
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WO/1996/032591A2 |
The present invention relates to a device for pumping a moist pulp and may be used in the wood-pulp and paper industry for conveying a highly concentrated pulp. The proposed pump comprises a body (1) having a hopper (2) for receiving a p...
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WO/1996/027740A1 |
The invention concerns a pump for conveying hot media, said pump comprising a pump housing, a seal housing (13, 14) disposed at a distance from the pump housing and connected thereto, a bearing housing (19) connected to the pump housing ...
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WO/1996/023977A1 |
The present invention relates to a continuous dynamic mixing assembly comprising a fluid seal assembly for motivating a fluid material into a mixing chamber and substantially preventing reverse flow of gas and/or fluid material and a con...
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WO/1996/019276A1 |
The invention relates to an apparatus and a process for separating a gas from a mixture containing liquid and gas, especially in connection with pumping. The apparatus comprises a centrifuge (12) with a fluid inlet (14) at one end, a liq...
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WO/1996/004467A1 |
Stationary cutter teeth (136, 137) project axially inward into the bowl (126) of a centrifugal pump (120) and cooperate with edge portions of the pump impeller vanes (147) at the closed side of the pump bowl (126) for chopping solid matt...
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WO/1996/003583A1 |
Deflecting vanes (26, 28, 30), confronting the blades of the impeller-inducer (14a), and fixed in the housing, inhibit the formation of a vortex upstream of the impeller-inducer (14a). Too, the vanes direct the recirculation flow back in...
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WO/1995/032046A1 |
An improved aquarium pump (30) for use with apparatus which includes a filter box (10), a rotating biological filter element (14) and a spray bar (20) for supplying water to the rotating biological filter element (14). The pump (30) may ...
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WO/1995/030328A1 |
In order to reduce the noise made by a scum remover working on the dispersion apparatus principle and maximize the air supply, the scum remover is designed so as to comprise a dispersion pump (2) which draws in water and a gas such as ai...
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WO/1995/024966A1 |
Combined pressure milling pump consists of the pump (4) and the mill. The mill consists of at least one stator (2) and at least two rotors (3), both said stator (2) and said rotor (3) being fitted with passage holes (1, 6) and said rotor...
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WO/1995/017235A1 |
A process and apparatus for pumping a fluid mixture of a gas and a liquid and for separating said gas and liquid from each other, said apparatus having a fluid inlet (14) at one end (18) and at the opposite end (22) a pump housing (16) w...
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WO/1995/015439A1 |
A device in a vacuum pump (23) of the liquid-ring type, serving a pulp pump and having a cylindrical vacuum chamber (25) and an impeller (26) eccentrically journalled in the vacuum chamber to rotate therein together with a liquid ring (2...
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WO/1995/010353A1 |
Disclosed is a centrifugal liquid pump, preferably of the rotary disc type, which incorporates a gas injection assembly of very simple yet efficient structure, whereby up to 15 % per volume of a gas such as air may be mixed with the pump...
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WO/1995/008714A1 |
Measures are disclosed to reduce attrition of turbo-machines caused by particle-loaded media. For that purpose, the wall surfaces (6, 7) that delimit the space (13, 12) adjacent to the wheel are designed in such a way that the flow next ...
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WO/1995/006610A1 |
An improved apparatus (30) for transporting the metering particulate material (40) including a transport duct (36) having an inlet (32), an outlet (34), and at least one moving surface (31) located therebetween having a downstream facing...
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WO/1995/006188A1 |
Fluid transfer apparatus comprising a fluid reservoir (11) and a pump (16) connected to the reservoir by a supply line (12), wherein the apparatus is configured so that vapor generated in the pump during periods of inoperation may escape...
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WO/1995/004218A1 |
A pump (2) including a submersible motor (10) sealed within a motor chamber (11), an impeller (6) rotatably mounted in an impeller chamber (12), and motor and impeller shafts (72, 76) coupled to one another to interconnect the motor and ...
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WO/1995/002768A1 |
Proposed is a pump with an impeller (1) which is securely mounted by its boss (3) on a shaft (4) so that it cannot rotate. The rear (driven) edges of the impeller rotate, leaving a narrow clearance (a), over the rear wall (5) of the pump...
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WO/1994/029599A1 |
Apparatus for pumping slurry out of a reservoir (10) comprises outlet pipework (34, 32, 52) for carrying the slurry out of the reservoir (10) and a pumping arrangement (18, 30) for pumping the slurry from the reservoir (10) into the outl...
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WO/1994/029202A1 |
An apparatus (10) for transporting and metering particulate material including a transport duct having an inlet (14), an outlet (16), and at least one moving surface located therebetween having a downstream facing drive surface (56). The...
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WO/1994/026416A1 |
An integral, readily installed, universal pump assembly (18) has an integral, liquid-tight outer housing (19) for supporting within a single liquid-tight containment vessel an electric motor driven pump (21), and discharging liquid from ...
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WO/1994/018457A1 |
A submersible pump for pumping radioactive liquids comprises a pump cartridge (2) which is removably mounted in a cavity (3) formed in the pump body (1). Seals (30a, 30b) are provided between the cartridge (2) and the cavity (3). The car...
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WO/1994/017242A1 |
The separation of fibres from a fibre-containing water is performed by means of continuous flotation, in an apparatus (10) comprising a mantle (15) of circular cross section and means (12) for causing said fibre-containing water to rotat...
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WO/1994/015102A1 |
A pump impeller (10) adapted for rotatable mounting within a volute (12) of the centrifugal slurry pump (14) comprises an intake opening (16) formed coaxially with an axis of rotation (18) of the impeller (10). The impeller (10) also inc...
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WO/1994/010448A1 |
An apparatus for the transporting and slurrying of cuttings from an oil well or drilling rig, the slurry (40) is contained in a vessel (10) and the pump (24) is situated at the lower outlet with its axis of rotation substantially vertica...
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WO/1994/004827A1 |
A multi-stage centrifugal pump (11) is described having a linear series of impellers (19) mounted on a common impeller shaft, with axial thrusts imparted to the shaft by the impellers being balanced by a sealed high-pressure thrust beari...
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WO/1994/001218A1 |
A grinding pump, for pumping liquid containing solid and semi-solide matter wherein the pump has an improved efficiency and which requires a lower operating rpm while exhibiting an increased flow rate. Pump includes: a housing having a c...
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WO/1994/000693A1 |
A centrifugal pump for a first fluid has a housing with an inlet and includes a rotatable impeller which is adjacent to a stationary plate. The inlet communicates with a space defined between the impeller and the plate. An outlet adjacen...
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WO/1993/023135A1 |
The invention relates to a gas separation pump and to a process for separating gas from a liquid when pumping the same. The pump (10) has a hollow shell, forming a separation part (26) with a large separation surface and a smoothly conne...
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WO/1993/022563A1 |
This invention relates to a centrifugal pump and to a method of operating such a pump. In order to obtain improved de-areation of the pump it is characterized through the combination of at least one rib (7), which extends substantially p...
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WO/1993/011980A1 |
Prior art washing systems for motor vehicle window panes have a water reservoir (23) and a detergent reservoir, as well as a pump (15) by means of which water is pumped from the water reservoir (23), detergent from the other container mi...
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WO/1993/011359A1 |
A pump for pumping pulp, comprising a main housing (1); a shaft (4) rotatable therein; a rotor (15) on the shaft (4) for fluidization of the pulp; an impeller (12) on the shaft (4) for pumping the pulp; a vacuum pump (23) having a vacuum...
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WO/1993/004283A1 |
A submersible molten metal pump (10) is provided which allows for ingestion and expelling of a solid piece or semi-solid piece without breaking any of the pump parts. A pump casing (12) has a cylindrical non-volute pump chamber (14), an ...
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WO/1992/018774A1 |
The invention concerns a compact-design pump which is hermetically sealed to the outside and has no shaft lead-outs. The pump has a housing with an internal partition which divides the inside of the housing into a drive section and a pum...
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WO/1992/015788A1 |
A vertical pump (1) having spiral blades (10, 11 and 12) fixed to the distal end of the main shaft (2) thereof. One or more spiral blades (10, 11 and 12) are arranged to be well-balanced with respect to said main shaft (2) of the pump, w...
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WO/1992/014104A1 |
A chilling system is provided for chilling or cooling a supply of water (12) or the like to a selected low temperature suitable for drinking and other uses. The chilling system includes a thermoelectric heat transfer module (26) having a...
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WO/1992/011458A1 |
A pump for pumping pulp, comprising a first impeller (12) for pumping the pulp in fluidized state, and a gas evacuation pump (23) of liquid ring type comprising a pump housing (24) with a chamber (25) and a second impeller (26) rotating ...
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WO/1992/003229A1 |
A method of separating an aqueous solids containing suspension includes (a) subjecting a first solids containing suspension to centrifugal forces so as to separate the suspension into a first gas containing flow, a second gas-free flow a...
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WO/1992/003659A1 |
A system for simultaneously degassing and pumping a liquid from a source includes in combination a gaseous liquid source (2) having a feed inlet (3) for the liquid so as to form a liquid surface at a first level; a degassing pump (5) for...
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WO/1992/001296A1 |
A method and system (10) for controlling nuclear reactivity in a nuclear reactor are disclosed. The method includes maintaining a nuclear poison solution at an initial poison pressure (P1) less than the steam pressure within the reactor ...
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WO/1992/001290A1 |
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/1992/001295A1 |
The wetwell space in a suppression pool (26) of a nuclear reactor containment is continuously ventilated by exhausting gas therefrom, while at the same time, during normal system operation atmospheric air from a source of same is admitte...
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WO/1992/001299A1 |
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/1992/001297A1 |
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/1992/001292A1 |
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/1992/001298A1 |
A recirculation system (10) is disclosed for driving reactor coolant water (114), contained in an annular downcomer (118) defined between a reactor vessel and a reactor core spaced radially inwardly therefrom. The system includes a plura...
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WO/1992/001291A1 |
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/1992/001293A1 |
A recirculation system (10) is disclosed for driving reactor coolant water in an annular downcomer (118) defined between a reactor vessel and a core shroud (12) spaced radially inwardly therefrom. The system supplies feedwater to the ves...
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WO/1992/001289A1 |
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/1992/001294A1 |
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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