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WO/2013/087708A2 |
The invention relates to a method for operating a liquid ring vacuum pump in which vibration measurements of the pump are taken and compared with a prescribed cavitation threshold (26). In addition, a measurement representing the liquid ...
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WO/2013/087713A2 |
The invention relates to a device for evacuating a chamber (14) and for purifying the gas extracted from said chamber (14) of any foreign substances. The device comprises a dry-condensing vacuum pump (15) having an input (17) connected t...
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WO/2013/076107A2 |
The invention relates to a liquid-ring vacuum pump comprising a pump casing (20) and an impeller (14) that is eccentrically mounted in the pump casing (20). According to the invention, the impeller (14) is made of a material having a mod...
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WO/2013/076176A1 |
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)....
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WO/2013/060754A2 |
The liquid ring compressor (1) comprises a ring housing (2) and a blade wheel (4), wherein the blade wheel (4) is arranged inside the ring housing (2) and is supported such as to be rotatable about an axis of rotation (4b) and in a direc...
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WO/2012/016603A1 |
Method for filling bottles or similar containers (2) with liquid contents using a filling machine (3), to which the liquid contents are fed once they have been preheated to a filling temperature, wherein the containers (2), prior to fill...
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WO/2011/128502A2 |
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 (...
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WO/2011/100346A2 |
The present invention is directed to a textured surface that provides for drag reduction, and therefore efficiency improvements in a liquid ring pump. At least a portion of the surfaces of the pump that contact fluid therein the pump are...
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WO/2011/090335A2 |
The present invention relates to a fluid pump. The fluid pump of the present invention comprises a pumping housing, a rotating member, a plurality of pistons, and a cam member. The pumping housing includes an inlet portion for introducin...
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WO/2010/072696A9 |
The present invention relates to mixtures comprising a hydrophilic and at least one hydrophobic ionic liquid, to the use thereof as a working fluid in liquid ring compressors and to a corresponding method.
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WO/2010/151405A1 |
Converting a liquid ring pump which vents sealing liquid (compressant) from the working chamber of the pump to a liquid ring pump having a gas venting system by retasking a selected passage of the liquid ring pump. The passage is selecte...
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WO/2010/141602A1 |
A wastewater treatment system comprising a first chamber adapted to receive wastewater and arranged to perform a first treatment process (e.g., aerobic and/or anaerobic processes), a second chamber positioned to receiving wastewater from...
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WO/2010/097233A2 |
A liquid ring vacuum pump (1) for degassing plastic melts, having a pump inlet (2) where gases are taken in, and a pump outlet (3) via which gases are blown out, and having a cycle (4) for the compression liquid, wherein a replaceable fi...
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WO/2010/090639A1 |
A liquid ring pump is provided that includes an annular housing having an inner surface forming a housing cavity. The annular housing is filled with an operating fluid during operation of the pump. The operating fluid forms an eccentric ...
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WO/2010/071651A1 |
A liquid ring pump having a channel including a first opening which opens into a first bucket formed by rotor blades. The first opening is located along an arcuate path between a closing edge of an inlet port and a leading edge of a disc...
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WO/2009/112029A1 |
A liquid evaporator (1, 101) comprises an evaporation chamber (2, 102) with a liquid inlet (3, 103), a condensation chamber (4, 104) with a liquid outlet (5, 105), a heat conducting wall (6, 106) arranged with an evaporation surface (7, ...
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WO/2008/089437A1 |
A vacuum pump having components that are subject to wear may be adjusted to compensate for the wear. In some instances, a vacuum pump may include a housing and an impeller disposed at least partially within the housing. A gap between the...
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WO/2008/080437A1 |
A suction pipe for drawing in a fluid mix comprises an intake nozzle (10) which can be subjected to negative pressure for drawing in a second fluid (4), with at least one intake nozzle opening (20) open counter to a direction of intake f...
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WO/2008/054254A2 |
The inventive centrifugal positive-displacement dynamic machine consists of a sealed body comprising inlet and outlet holes, partially or entirely filled with a fluid and provided with a bladed wheel, which is incorporated therein in suc...
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WO/2008/009048A1 |
A pump apparatus includes a liquid ring pump (20) having a sealant liquid inlet (28) and an inlet (26) for medium to be pumped, and a vessel (12) for holding a volume of sealant liquid. The pump is arranged with the sealant liquid inlet ...
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WO/2007/135513A1 |
Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed...
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WO/2007/135504A1 |
Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed...
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WO/2006/134590A1 |
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 ...
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WO/2006/096738A2 |
A method of operating an evaporator is described. In evaporator feed water, a Taylor bubble is developed which has an outer surface including a thin film in contact with an inner surface of an outer wall of an evaporator tube. The Taylor...
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WO/2006/082357A1 |
An ejector pump (100) comprises a chamber having a gas mixing portion (108) and a diffuser portion (112) . An inlet (10S) conveys a gas stream into the gas mixing portion, and an outlet (114) conveys the gas stream from the diffuser port...
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WO/2006/029884A1 |
The invention relates to a method for operating a liquid ring compressor provided with an impeller which is received in an eccentric manner in a compressor housing. Gas is guided to the suction side of the liquid ring compressor and gas ...
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WO/2006/008521A1 |
Low-cost apparatus is described for treating an effluent fluid stream from a process tool. In one embodiment, the apparatus comprises an abatement device (12) and a liquid ring pump (14) for at least partially evacuating the abatement de...
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WO/2005/057015A1 |
Embodiments of the present invention are directed toward systems and methods of transferring fluid using devices that have a rotatable housing (10) . One embodiment of the invention attaches a fluid-drive element (370,350) to a rotatable...
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WO/2005/013638A1 |
A monitoring system for distributed utilities. A generation device is provided for converting an available resource to a desired utility; the resource may be water, in which case the generator is a purifier for providing potable water, o...
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WO/2004/102003A1 |
Disclosed is a liquid ring pump comprising a first housing part (5) that radially encloses two or more working chambers (16) in which a rotatably mounted impeller is disposed in an eccentric manner, second and third housing parts (4) tha...
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WO/2004/102002A1 |
Disclosed is a liquid ring pump with one or several stages, each of which comprises a working chamber (8), an impeller (2) that is eccentrically mounted therein, flat control disks (3, 4) that axially delimit the working chamber on both ...
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WO/2004/099619A1 |
Screw type liquid ring pump including a pump housing (9) with an inlet part (3) and an outlet part (11) and an, inside the housing, rotating helical screw rotor (8). The rotor is connected with a shaft (7) which is commonly provided for ...
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WO/2004/043566A2 |
Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In some embodiments of the invention, a liquid purification system is revealed, including the elements of an input for receiving unt...
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WO/2004/015351A1 |
A method and device for enhancing distillation in an evaporator. The evaporator includes phase change chambers, such as vertically-oriented cylindrical evaporation tubes. Each chamber has an evaporation region that can be heated external...
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WO/2004/007966A1 |
An oil pump, comprising a rotor (3) performing a pump action for sucking oil in a suction passage (24) from suction ports (27) and feeding the oil to a delivery passage through delivery ports (19) according to the rotation thereof and an...
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WO/2004/007969A1 |
The invention relates to a liquid ring compressor and/or pump, comprising a rotating compressor casing (1), a shaft journal (10) eccentrically located relative to the compressor casing's axis of rotation, with a surrounding bearing (15)....
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WO/2004/003388A1 |
The invention relates to a liquid ring pump (10) for transporting liquids. Said pump comprises a first housing element (11) on the drive side and a second housing element (12) on the front side, said housing elements being interconnected...
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WO/2003/102423A1 |
Liquid ring compressor, characterized by an eccentric inner rotor (6) is supported in axles (8,9) to an outer co-rotor (3) for the liquid ring, where the bearing of the co-rotors (11) is outside the same axles on each side is enclosed in...
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WO/2003/083307A1 |
The invention relates to a pump device (14) and to a method for operating the same, whereby the pump device (14) comprises at least one liquid ring pump (28). The aim of the invention is to improve the suction of such a pump. For this pu...
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WO/2002/027152A2 |
The invention relates to a steam-turbine assembly (2) comprising a vacuum pump device (14), containing a jet pump (26) and a liquid-ring pump (28) positioned in series one behind the other. The steam (D) that accumulates in the assembly ...
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WO/2001/066950A1 |
This invention relates to a rotating drum liquid ring vacuum pump/compressor and using method of the same, which consists of rotating drum, eccentric rotor, casing, etc. During operation, the rotating drum rotates with liquid ring with v...
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WO/2000/023714A1 |
A liquid ring pump with a simple and compact design. The inventive pump has the following features: at least one housing (8) for a working area, whereby at least one running wheel circulates therein; a bearing for the shaft (7) of said r...
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WO/2000/015589A1 |
An improved process for producing Bisphenol-A which is essentially free of sodium impurity using rotary vacuum filter pumps which utilize a liquid ring seal to effect drawing a vacuum on a Bisphenol-A/phenol slurry, the improvement is in...
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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 ...
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WO/1999/063230A1 |
The invention relates to a liquid ring pump (1) with the following characteristics: a cam plate (6) with at least one suction opening and at least one pressure opening (7); a pump cover (9) which forms a pressure (8) and suction chamber ...
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WO/1999/049221A1 |
The invention relates to a liquid ring pump, comprising a runner which rotates in a working-area housing, a control disk (2) which has at least one suction opening and at least one pressure opening (7) and which closes off one side of th...
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WO/1999/032791A1 |
The invention relates to a multiflow liquid ring pump, comprising a rotor housing that encompasses the pump rotor. A side shield is arranged on both front ends. Each side shield has an inlet and an outlet on the side facing the other sid...
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WO/1999/001668A1 |
The invention relates to a liquid ring pump (12), consisting of at least one drive unit, said drive unit having a drive shaft (3), a working area housing, a rotating impeller (1) which can move freely axially on said drive shaft (3) and ...
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WO/1998/046885A1 |
Disclosed is a vacuum pump fitted with a liquid mechanical pump for pumping out gas, for example against the atmospheric pressure. According to the invention, the liquid of the liquid mechanical pump (6) is an inert fluid; the liquid mec...
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WO/1998/040628A1 |
The invention relates to a pump which drives liquid at least part of the time and has a shaft seal (4) and a shaft bearing (5) acting upon the same shaft (3) outside said shaft seal. The intermediate chamber (8) is connected to a vacuum ...
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