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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Liquid ring pump EP93200193.6 1993-01-26 EP0554937A1 1993-08-11 Dalla Rosa, Alberto

A pumping device for multi-phase fluids in which in a disc casing of toroidal peripheral profile provided on its inner surface with a tube of Pitot tube type connected to a delivery pipe there is rotatably mounted a bladed impeller arranged eccentric to the casing axis in a position approximately diametrically opposite said Pitot tube, a second delivery pipe being provided in that casing region opposite the intake pipe about the plane containing both the axis of the casing and the axis of the impeller and in proximity to this latter axis, automatic valves being provided in the pipes.

62 VACUUM DRAINAGE SYSTEM EP90904313.0 1990-03-02 EP0454794A1 1991-11-06 HOFSETH, Olav
Le système de drainage sous vide décrit, qui est conçu pour des équipements sanitaires tels que toilettes, urinoirs et éviers, etc., comprend des tuyaux d'embranchement raccordés à l'équipement sanitaire et débouchant dans un tuyau collecteur (5), ainsi que, raccordé au tuyau collecteur (5), un dispositif de vide (2) servant à produire le vide dans les tuyaux et à transporter les eaux usées depuis l'équipement sanitaire par exemple jusqu'à un réservoir collecteur (1) ou une station d'épuration. Le dispositif de vide comprend une ou éventuellement plusieurs pompes à vis (2) qui sont pourvues d'un pulvérisateur ou dispositif de broyage, servant à broyer les particules solides contenues dans les eaux usées et qui sont raccordées directement au tuyau collecteur (5).
63 LOOP PUMP EP86906025.1 1986-10-16 EP0277131B1 1990-07-18 KARLSSON, Per-Olof
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 liquid to a drawing place by way of a conduit (6) or the like rotatably connected with the pipe. The drive source consists of a means, e.g. a propeller (8), absorbing the flow energy of the liquid. A floating body (10) gives the pump the desired floatability on the liquid and the pump comprises means (11) for anchoring it relative to the surroundings of the flowing liquid.
64 LIQUID RING SCREW PUMP FUNCTIONAL DESIGN EP14797202 2014-05-15 EP2997262A4 2017-01-04 SVENHEIM OLE ASGEIR
A liquid ring screw pump includes a housing with a suction inlet section and a pressure outlet section. Within the housing an Archimedes screw rotor is driven by a motor via a shaft. The inlet section and outlet section are each provided with connecting structure for suction and pressure piping respectively. The displacement CD of the screw rotor in relation to the center axis of the housing is determined by an equation based on the screw rotor radius, a minimum screw rotor core radius, and a variable k that is between 0.14 and 0.29.
65 LIQUID RING SCREW PUMP DESIGN EP13816030 2013-07-04 EP2870365A4 2016-03-23 HOFSETH OLAV; RØNNESTAD TOR
66 LIQUID RING SCREW PUMP DESIGN EP13816030.4 2013-07-04 EP2870365A1 2015-05-13 HOFSETH, Olav; RØNNESTAD, Tor
Liquid ring screw pump (1) including a housing (2) with a suction inlet section (4) and a pressure outlet section (3) and within the housing (2) rotatably provided Archimedes screw rotor driven by a motor (6) via a shaft, the inlet section (4) and outlet section (3) each provided with connecting means for suction and pressure piping respectively. The pump and motor is constructed with a single leg or support or single pair of legs or supports (10) provided preferably at a weight balance point between the motor (6) and pump (1).
67 LIQUID RING COMPRESSOR EP06745142.7 2006-06-12 EP1896726A1 2008-03-12 ASSAF, Gad
There is provided a liquid ring rotating casing compressor (LRRCC), including a shaft, an impeller having a core and a plurality of radially extending vanes rotatably coupled to the shaft, a tubular casing having an inner surface and an outer surface eccentrically rotatably disposed with the impeller and disc-shaped portions laterally coupled to the vanes and/or to the core. The casing defines with the impeller a compression zone, wherein edges of the vanes rotate in increasing proximity to an inner surface of the casing and an expansion zone and edges of the vanes rotate in increasing spaced-apart relationship along an inner surface of the casing. An inlet port communicates with the expansion zone, an outlet port communicates with the compression zone, and there is also provided a drive for rotating motion to the casing.
68 Liquid ring pump EP93200193.6 1993-01-26 EP0554937B1 1997-08-06 Dalla Rosa, Alberto
69 LOOP PUMP EP86906025.0 1986-10-16 EP0277131A1 1988-08-10 KARLSSON, Per-Olof
Pompe spirale (1) permettant de pomper du liquide, c'est-à-dire une pompe comprenant un tuyau (3) ou similaire présentant un certain nombre de spires/boucles, ledit tuyau étant mis en rotation par une source d'entraînement afin d'introduire en alternance de l'air et du liquide dans un orifice d'admission (4) et pompant le liquide jusqu'à un endroit de soutirage au moyen d'un conduit (6) ou similaire relié de manière rotative avec le tuyau. La source d'entraînement est constituée d'un organe, par exemple une hélice (8) absorbant l'énergie d'écoulement du liquide. Un corps flottant (10) confère à la pompe la flottabilité désirée sur le liquide et la pompe comprend un moyen (11) permettant son ancrage par rapport à l'environnement du liquide en écoulement.
70 SCREW TYPE LIQUID RING PUMP WITH INTEGRATED MACERATOR EP12800220.1 2012-06-12 EP2721299B1 2017-08-30 ØVSTHUS, Eimund; ØVSTHUS, Aksel
71 SCREW TYPE LIQUID RING PUMP WITH INTEGRATED MACERATOR EP12800220 2012-06-12 EP2721299A4 2015-02-25 ØVSTHUS EIMUND; ØVSTHUS AKSEL
72 FLÜSSIGKEITSRING-VAKUUMPUMPE EP12791468.7 2012-11-22 EP2783115A1 2014-10-01 KÖSTERS, Heiner; TAMM, Matthias; SCHÜTZE, Daniel
The invention relates to a liquid-ring vacuum pump comprising a pump casing (18) and a shaft (19) eccentrically mounted in the pump casing (18). An impeller (21) and a rotor (20) of a drive motor (20, 24) are connected to the shaft (19). A disk cam (22) is arranged parallel to the impeller (21). According to the invention, a first main bearing (22) for the shaft (19) is arranged between the impeller (21) and the rotor (20) of the drive motor, on the plane of the disk cam (22). The impeller (21) is arranged between the first main bearing (22) and a second main bearing (26). The arrangement of the bearings according to the invention prevents the shaft (19) from bending, thus allowing the leakage gap between the impeller (21) and the disk cam (22) to be kept small.
73 SCREW TYPE LIQUID RING PUMP WITH INTEGRATED MACERATOR EP12800220.1 2012-06-12 EP2721299A1 2014-04-23 ØVSTHUS, Eimund; ØVSTHUS, Aksel
Screw type liquid ring pump (1 ) with an integrated grinder or macerator (2), including a pump housing (3) with an inlet (5) and an outlet (7) and an, inside the housing, rotating helical screw rotor (4), which rotor at one end, the inlet end of the pump housing is provided with the grinder (1 1) and at the other end, the outlet end of the pump housing is communicating with a pressure chamber (6). The screw rotor is provided on a shaft (18) connected (not shown) to a driving unit in the form of a motor, preferably an electric motor. The grinder includes a rotary cutter (12) attached to the inlet end of the helical screw (4) shaft and a stationary cutter (13) attached to a grinder housing part (15), each cutter being provided with cutting tools or knives, whereby the rotary cutter (12) is freely rotating within the stationary cutter (13) when the pump is running. Each tool of the rotary cutter (12) has a cutting edge or knife (20) provided on a curved wing (21 ) such that the cutter is shaped like a pump impeller contributing to the pumping of the liquid through the macerator.
74 Reaktionspumpe für die Aufspaltung von Kohlenwasserstoffketten EP12005651.0 2012-08-03 EP2693060A1 2014-02-05 Günther, Thomas

Vorrichtung für ein Verfahren bei dem unter Ausnutzung des Prinzips der Flüssigkeitsring-Vakuumpumpe mit einem, in einem Gehäuse rotierenden Impeller, die thermo-katalytische Aufspaltung von Kohlenwasserstoffketten erreicht wird, welche, um hohe Standzeiten erreichen zu können, eine Gehäuseform, mit außerhalb des Prozessflüssigkeitsbereiches angeordneten Wellenlagern aufweist, sowie im Inneren des Gehäuses spezielle Öl-Kammern, die an den Wellendurchführungen den Dichtungsbereich gegenüber dem Prozessflüssigkeitsbereich abschotten, und dadurch den Einbau von für industrielle Anwendungen geeignete Dichtungen ermöglicht.

75 LIQUID SEAL PUMP OF THE HELICAL SCREW TYPE EP02753305.8 2002-05-29 EP1397595B1 2008-01-09 HOFSETH, Olav
Liquid seal pump of the helical screw type including a pump housing (3) with an inlet (2), outlet (6) and within the housing provided helical screw rotor (7) driven by means of a motor (8). The outlet (6) of the pump (3) is provided with a sealing liquid tank (4) for the supply of liquid to the pump and thereby maintaining the liquid seal under idle running of the pump.
76 VACUUM DRAINAGE SYSTEM EP90904313.5 1990-03-02 EP0454794B2 2005-03-30 HOFSETH, Olav
A vacuum drainage system for sanitary equipment such as toilets, urinals and sinks etc., comprising branching pipes connected to the sanitary equipment and ending in a collecting pipe (5), and a vacuum device (2) connected to the collecting pipe (5) producing vacuum in the pipes and transporting sewer from the sanitary equipment to e.g. a collection tank (1) or purification plant. The vacuum device comprises one or optionally several screw pumps (2) being equipped with a mill or grinding device for grinding solid particles in the sewer and being connected directly to the collecting pipe (5).
77 LIQUID SEAL PUMP OF THE HELICAL SCREW TYPE EP02753305.8 2002-05-29 EP1397595A1 2004-03-17 HOFSETH, Olav
Liquid seal pump of the helical screw type including a pump housing (3) with an inlet (2), outlet (6) and within the housing provided helical screw rotor (7) driven by means of a motor (8). The outlet (6) of the pump (3) is provided with a sealing liquid tank (4) for the supply of liquid to the pump and thereby maintaining the liquid seal under idle running of the pump.
78 VANE-TYPE PUMP AND HEAT RECOVERY DEVICE PCT/DE2013100373 2013-10-29 WO2014079413A2 2014-05-30 HINRICHS JAN
Proposed is a vane-type pump (1) having - a housing (3), - a rotor (5) which can be driven in rotation, - which rotor has a number of slots (9), - which slots each receive a displaceable vane (17), wherein - delivery cells (19, 21) of variable volume are formed between successive vanes (17), having - a pump chamber (23) which accommodates the rotor (5) with the vanes (17), which pump chamber (23) has side surfaces (25) laterally adjoining the rotor (5) and the vanes (17) and has a stroke contour (27) which is arranged between the side surfaces (25) and against which the outer ends of the vanes (17) bear during the operation of the vane-type pump (1), and - having openings (29, 31) which are provided in the side surfaces (25) and of which at least one serves for the charging of the delivery cells (19, 21) and of which at least one serves for the discharge of a pressurized medium that is delivered by the delivery cells, wherein - the medium comprises water, alcohols such as ethanol, ammonia or other organic liquids or a mixture of the stated substances and furthermore a lubricant, the specific weight and/or viscosity of which is greater than that of the other constituents of the medium. The vane-type pump is characterized in that - an outer edge (39, 41), facing toward the stroke contour (27), of the openings (29, 31) is arranged at a distance (x) from the stroke contour (27).
79 LIQUID RING SCREW PUMP FUNCTIONAL DESIGN PCT/NO2014000033 2014-05-15 WO2014185786A9 2015-12-03 SVENHEIM OLE ASGEIR
Liquid ring screw pump (1) including a housing (2) with a suction inlet section (4) and a pressure outlet section (3) and within the housing (2) rotatably provided Archimedes screw rotor driven by a motor (6) via a shaft. The inlet section (4) and outlet section (3) each provided with connecting means for suction and pressure piping respectively. The displacement, CD of the screw rotor in relation centre axis of the housing is determined on the basis of the equation: ( I ) where Rr is the screw rotor radius, CRmin screw rotor core radius, minimum, CD centre displacement, and where k is a range that based upon calculation should preferably be between 0,14 and 0,29.
80 LIQUID RING PUMP AND METHOD FOR OPERATING A LIQUID RING PUMP PCT/FI2011050276 2011-03-31 WO2011128502A3 2012-05-31 LAPPALAINEN VESA
The invention relates to a liquid ring pump (1) for generating vacuum and for pumping a flow of sewage in a vacuum sewage system. The liquid ring pump comprises in the direction of the flow of sewage a pump inlet (11), an inlet chamber (13), a pump housing (14) provided with a rotor (15) arranged on a drive shaft(16) provided with a mechanical seal (20), an outlet chamber(17), and an pump outlet (19). The mechanical seal (20) is arranged within the outlet chamber (17). The outlet chamber (17) is provided with an integrated extension (18) providing an enlargement of the outlet chamber (17)in order to retain the flow of sewage in the outlet chamber (17) before it is discharged from the pump outlet (19) in order to improve the lubrication of the mechanical seal (20).
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