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Patent Searching and Data


Matches 101 - 150 out of 2,705

Document Document Title
WO2003078844A3
A self priming pump system that includes a motor (16) coupled to a centrifugal pump (12) for driving the centrifugal pump. A separator (10) having a reservoir (30) is provided for storing a limited amount of pumped fluid in advance of th...  
WO/2003/083310A1
The invention relates to a loading pump device on a tank vehicle (1) for loading same from a containing vessel, preferably situated at a lower level. The device comprises a centrifugal pump (3), driven from the tractor vehicle (2), which...  
WO/2003/078844A2
A self priming pump system that includes a motor (16) coupled to a centrifugal pump (12) for driving the centrifugal pump. A separator (10) having a reservoir (30) is provided for storing a limited amount of pumped fluid in advance of th...  
WO/2003/056185A1
The shaft (3) of the impeller (2) and the electric motor (5) is arranged vertically and the diffuser (14) is helicoidal and co-axial to the impeller shaft and electric motor, with the impeller and the diffuser remaining entirely below th...  
WO/2003/048582A1
The invention relates to a hybrid pump (1) with a housing (2) comprising at least one suction port (10) and at least one pressure port (11). A rotor (5) is eccentrically arranged in the housing chamber (3) which is substantially enclosed...  
WO/2003/027501A1
The fuel transfer pump (10) is a combination suction and pressure pump in a manifold (18) above the fuel storage tank (12). The fuel transfer pump (10) is contained within a manifold (18). The pump is liquid cooled (more specifically, fu...  
WO/2003/014572A1
A centrifugal pump for pumping a pulp suspension while simultaneously conducting gas away from the suspension, comprising a pump housing (10) with an inlet (11) and an outlet (12) for the pulp suspension and an impeller (14) mounted on a...  
WO/2003/014573A1
A priming vacuum control system for use on a self-priming pump includes a priming vacuum control valve and a priming vacuum control valve-actuating system. The priming vacuum control valve is disposed between a vacuum pump and a priming ...  
WO/2003/001065A1
A centrifugal pump comprising a pump body (1) housing an impeller (3) keyed onto a motor shaft (4) and provided with a suction mouth (7) and a discharge mouth (8) capable of being made to communicate with, respectively, a suction pipe (9...  
WO2002057635A3
A centrifugal pump (10) with facilitated self-priming, which comprises a casing (11) with a suction inlet (12) and a discharge outlet and with an internal series (14) of diffusers and impellers, which form a cylindrical assembly that for...  
WO/2002/075047A1
A device for pumping a pulp suspension and simultaneous abduction of gas from the suspension. The device comprises at least one pulp pump (1) with a housing (2) with inlet (3) and, respectively, outlet (4) for the suspension and an outle...  
WO/2002/057635A2
A centrifugal pump (10) with facilitated self-priming, which comprises a casing (11) with a suction inlet (12) and a discharge outlet and with an internal series (14) of diffusers and impellers, which form a cylindrical assembly that for...  
WO2001090581A3
A liquid manure tank truck (1) is equipped with a pipeline system (5) through which the tank (4) of the liquid manure tank truck (1) can be filled with liquid manure and emptied again. A pump aggregate (P) consists of a rotary pump (11) ...  
WO/2002/004815A1
A self-priming pump capable of preventing a swirl flow from developing during the self-priming operation and assuring the smooth flow of a stream during the pumping operation, wherein a swirl flow forming space (15) allowing self-primed ...  
WO/2001/090581A2
A liquid manure tank truck (1) is equipped with a pipeline system (5) through which the tank (4) of the liquid manure tank truck (1) can be filled with liquid manure and emptied again. A pump aggregate (P) consists of a rotary pump (11) ...  
WO/2001/086831A1
A three phase power cable is employed to transmit data encoded in a phase-to-phase manner within a high frequency carrier signal transmitted simultaneously with power transmitted from surface equipment to downhole components. The high fr...  
WO2000057056A9
A pump assembly and related components for pumping water, sewage or other pumped material from one location to another are disclosed. The pumping system includes a motor (534) coupled to a centrifugal pump and a separator defining a rese...  
WO/2001/002732A1
A high performance and general purpose pump device capable of not only continuously sucking and transporting even a liquid containing a large quantity of air bubbles but also providing a high degree of defoaming action, degassing action,...  
WO2000057056A3
A pump assembly and related components for pumping water, sewage or other pumped material from one location to another are disclosed. The pumping system includes a motor (534) coupled to a centrifugal pump and a separator defining a rese...  
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/2000/057056A2
A pump assembly and related components for pumping water, sewage or other pumped material from one location to another are disclosed. The pumping system includes a motor (534) coupled to a centrifugal pump and a separator defining a rese...  
WO/1999/066209A1
A centrifugal pump for pumping a pulp suspension where the pump comprises a housing (10) with an inlet and an outlet for the pulp suspension, and an impeller on a rotary shaft (13) with pump blades (15) extending from a hub (16) outward ...  
WO/1999/053203A1
A circumferential flow type liquid pump wherein a degassing passage (31) opened in a stepped portion-carrying state in a bottom wall portion (10) and extending radially inward is formed in the vicinity of an impeller (4) in an inner circ...  
WO/1999/018356A1
The invention relates to a delivery pump (2) for delivering fuel in a motor vehicle, comprising an impeller (7) with blade chambers (10, 10a, 11, 11a) which are delimited by guide blades (12, 13), and channels (14, 15) in the shape of in...  
WO/1998/023864A1
The invention relates to a diffuser and conveyor device (2, 102, 202, 302) for a single-impeller centrifugal self-priming pump, with conveyor channels (15, 115, 215, 315) radially located outside the diffuser (13, 113, 213, 313) and insi...  
WO/1998/015738A1
The invention is concerned with a procedure for use with a pump (6) for the movement of liquid, powered by an internal combustion engine, which pump is not capable of pumping air (gas) and thereby drawing liquid up into itself at start-u...  
WO/1998/006947A1
The present invention relates to a high-pressure centrifugal and submersible electrical pump which is particularly intended for pumping crude oil from wells having a low output and a high gas factor. A pipe (11) is mounted in the lower s...  
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/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/1997/029286A1
The invention relates to a centrifugal pump device, comprising a pump casing (1) having an inlet (2) and an outlet (3), an impeller device inside the casing (1) having one or more pump stages (5-7) with a common rotary shaft (4), and a n...  
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/1997/008459A1
An improved electrical submersible pump is disclosed in which a processor (37) downhole is utilized to monitor one or more subsurface conditions, to record data, and to alter at least one operating condition of the electrical submersible...  
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/1996/032591A2
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/1995/030092A1
The invention concerns a self-priming, multi-stage centrifugal pump (6) having a chamber (15) which is disposed externally of the housing (9) accommodating the pump stages (1 to 5), said chamber containing fluid to be delivered. The cham...  
WO/1995/018337A1
In a vehicle heating appliance, water is pumped as heat transfer medium through a heat exchanger (2) that surrounds the combustion chamber (B). The water pump (6) is mounted above the heat exchanger (2) and pumps the water it axially rec...  
WO/1995/012760A1
A self-sucking centrifugal pump capable of displaying excellent self-sucking and pumping performance without changing the shape of a volute type centrifugal pump which already has a nearly perfect shape. The basic principle of a self-suc...  
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/1995/004224A1
A novel centrifugal pumping system is disclosed for supplying fuel to aircraft gas turbines. The system has a common rotor (12) with two different sets of impeller blades on opposite sides. A regenerative liquid-ring starting pump (18) i...  
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...  
WO/1994/008176A1
A lubrication system comprising a first pump (2) to deliver lubricating oil from a reservoir (1) to equipment to be lubricated (9), a second pump (11) to return lubricating oil from the equipment (9) to the reservoir (1), and characteris...  
WO/1994/007031A1
Sectional-casing-design rotary pump in which the casing sections (8, 9) have a cylindrical outer casing and internal wall sections (12-15) in one piece therewith. The outer casing of at least one casing component (8, 9) consists of an ou...  
WO/1993/014336A1
A valve element used in pumps consists of a resilient strip (7) which is embedded on one side and has increasing flexibility from the embedded side towards the opposite side.  
WO/1993/013318A1
Multiphase fluid is subjected to pumping or compression or to centrifugal separation after undergoing at least partial separation in a cyclonic separator device (20; 60). The cyclonic separator device can be incorporated in a rotary pump...  
WO/1993/011360A1
A centrifugal pump having a diffuser (1) engaging with a rotor (25), a suction body (2) and a delivery body (3) fixed to the upstream and the downstream ends (1a, 1b) of the diffuser respectively and provided with corresponding suction a...  
WO/1992/018775A1
The multi-stage rotary pump proposed has a first normally priming rotary-pump stage and subsequent self-priming stages. In order to improve the self-priming capability and waste-escape security of the pump, in particular when fluids are ...  
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 ...  
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...  
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...  

Matches 101 - 150 out of 2,705