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Patent Searching and Data


Matches 401 - 450 out of 5,332

Document Document Title
WO/1999/051884A1
An impeller (101) for a molten metal pump (32) has a cylindrical body (103) comprised of a refractory material. The cylindrical body includes generally coplanar top (105) and bottom surfaces. A central bore (111) is provided in the top s...  
WO/1999/041418A1
A process and device are disclosed for precipitating solid compounds from the liquid zinc or liquid zinc-based alloys of a metal bath. According to the disclosed process, partial amounts of the metal phase containing the compound(s) are ...  
WO/1999/030039A1
A centrifugal pump capable of solving various problems which would otherwise have been caused in centrifugal pumps having an impeller rotatably received within a casing formed with a suction port and a discharge port and made of stainles...  
WO/1999/001663A1
A pump for transferring fragile and aggressive fluids such as human blood and comprising a chamber along with one or more fluid inlet ports (16, 17) arranged in oppositely disposed relationship on the chamber, and at least one outlet por...  
WO1998025031A3  
WO/1998/049448A1
A pump (1) for pumping a slurry comprises a pump housing (2) defining a pumping chamber (5) with an impeller (6) located therein for pumping the slurry from an axial inlet port (7) to a radial outlet port (8). The impeller (6) is carried...  
WO/1998/046879A1
A pump (10) for transferring fragile and aggressive liquids such as human blood and comprising a pumping chamber (12) along with a pair of fluid inlet ports (16, 17) arranged in oppositely disposed relationship on the chamber, and one or...  
WO/1998/046887A1
The centrifugal liquid pump (1) is of the rotary discs types and has an integrated gas injector of very simple yet efficient structure. This pump (1) has a casing (3) defining an inner, substantially cylindrical chamber (5) with an axial...  
WO/1998/025031A2
A molten metal pumping device is disclosed that comprises a pump base (50), one input port (56), a pump chamber (58) output port (11) rotor (70), rotor shaft (40), superstructure (24), motor (28), drive shaft (36) and coupling (38). The ...  
WO/1998/021480A1
The present invention relates to a centrifugal pump. Especially, the invention concerns a centrifugal pump capable of pumping liquid as free of pressure fluctuations as possible. Centrifugal pumps of this type are used, for instance, as ...  
WO/1998/015736A1
A molten metal transfer pump for transferring molten metal from a first vessel to a second vessel including a pumping chamber with an outlet to the first end of an elongated refractory tube (51) having a longitudinal axis substantially p...  
WO/1998/011347A1
An axial-flow blood pump (10) has a rotor (20) suspended in ball-and-cup bearings (38, 34) which are blood-cooled but not actively blood-lubricated. The ball-and-cup structures are made of highly heat-conductive material and are in heat-...  
WO/1998/004833A1
A self-priming type centrifugal pump apparatus which is capable of performing suction transport of even a liquid containing viscous and bubbly sludge and solid foreign matters, affords full automatic operation by preventing invasion of t...  
WO/1998/004372A1
An apparatus (1) for treating molten aluminium or zinc having a housing providing a chamber (18) for containing a molten metal (19). The chamber (18) includes an inlet opening (20) and an outlet passage (22). A rotatable impeller (12) is...  
WO/1997/048833A1
An apparatus for removing bottom dross from molten zinc (11) contained in a coating pot (10) includes a pump (22), a traversing carriage (16) for positioning the inlet of the pump in a desired horizontal location and a slide mechanism (1...  
WO/1997/047889A1
A rotodynamic pump comprises a centrifugal impeller (11) provided within a volute body (7) and an emulsifier (17) provided in the region of an inlet of the volute body and rotatable with the centrifugal impeller for emulsifying material ...  
WO/1997/046806A1
A submerged motor pump (4) has an auxiliary bearing assembly (19, 20) for supporting a rotatable main shaft (9) when the submerged motor pump (4) is not in an operating condition or operates in a transient condition. The submerged motor ...  
WO/1997/042413A1
An apparatus and method for a centrifugal pump (10) for pumping sensitive biologic fluid, which includes (i) an integral impeller and rotor (21) which is entirely supported by an integral combination of permanent magnets and electromagne...  
WO/1997/040276A1
An impeller (1) for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top (2) and bottom (12) surfaces. A central bore (4) is provided in the top surface (2...  
WO/1997/039178A1
System for feeding a suspension, preferably a suspension of chips in a liquid carrier, to a pressurized vessel in a cellulose pulp mill, which system comprises at least one pump (25, 26) between a low-pressure part and the pressurized ve...  
WO/1997/036044A1
A method and a device for degassing a gas-containing fluid medium in connection with the pumping of the medium by a centrifugal pump (6, 21, 29) which is designed for gas separation, where the gas is evacuated by the suction effect from ...  
WO/1997/030249A1
A material outfeeding device intended for working vehicles and including a bin (1) that is defined by two longitudinal side walls (3, 3') connected with each other via a bottom (2), a front end portion (5) and a rear end portion (4) that...  
WO/1997/030289A1
A rotating machine such as a submersible pump which comprises a casing (1) and a rotor (2) which is rotatable relative to the casing (1). The casing (1) defines an aperture adjacent to which the rotor is positioned such that an annular g...  
WO/1997/024596A1
A non-positive displacement pump (such as a centrifugal pump) is used to determine physical variables of a slurry (such as medium consistency paper pulp) or liquid. In essence by utilizing information from the manufacturer of the pump, a...  
WO/1997/021927A1
An impeller for a centrifugal pump (10) which includes a front shroud and a rear shroud, the shrouds being spaced apart so as to form a plurality of passageways (18) therebetween which are separated by a plurality of impeller blades (19)...  
WO/1997/013071A1
A centrifugal pump (10) having a rotatable impeller (30) that operates to drain liquid into the intake (32) of the pump. An air-introduction passage (72) connects with a subatmospheric pressure region at the back (36) of the impeller. Ai...  
WO/1997/011469A1
The present invention relates to an internal pump. A water hole (33) allowing communication between internal and external circumferences of a stretch tube (24) is provided at the portion of the stretch tube corresponding to a position wh...  
WO/1997/009482A1
The invention relates to a centrifugal suspension pump with gas separating means, comprising a pump wheel (3) with a hub (27), pump vanes (30) in a front pump chamber part (4A) facing the inlet, pump vanes in a rear pump chamber part (4B...  
WO/1996/040555A1
A propulsion system for accelerating and directionally controlling a fluid having a continuous dynamic surface (40) for circulating through a fluid from an entrainment region (44) where fluid is introduced to the dynamic surface (40) to ...  
WO1996032591A3  
WO/1996/039583A1
The present invention relates to a method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump. The method according to the invention is characterized in that the gas flow i...  
WO/1996/034206A1
A safety pumping system including a pump (19) and an electric motor (15) is adapted to be immersed in a fluid (11) contained in a tank (10). The electric motor and the pump are interconnected by a driving shaft (23). The electric motor i...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  

Matches 401 - 450 out of 5,332