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WO/1998/028542A1 |
The invention concerns an impeller for a liquid ring machine, said impeller comprising a plurality of blades which are connected to the impeller hub and to a support disc, the front face of the impeller hub and the rear face of the suppo...
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WO/1998/026181A2 |
The invention relates to a gerotor pump for aqueous viscous media which has preferably a two-piece pump housing consisting of pump chamber housing (3) and connection cover (29), and has, in the pump chamber housing, a pump chamber in the...
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WO/1998/005866A1 |
The invention relates to an actuator, such as a liquid ring machine, and a method in an actuator, such as transferring of fluid. The machine (10) comprises a casing part (11) within which a rotatable blade rotor means (2) is arranged. Th...
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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...
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WO/1997/005392A1 |
The invention concerns a liquid ring machine in which decrease in flow is reduced in that the machine housing (1) is covered at least on its inner periphery (3) with a layer (4) comprising a structured surface with reduced surface roughn...
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WO/1996/022467A1 |
A rotating liquid ring compressor/turbine (RLRC/T), including a rotor having a core (6) and a plurality of radially extending vanes (8) mounted thereon, a tubular jacket (4) having outer and inner lateral portions, eccentrically, rotatio...
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WO/1996/020346A1 |
A liquid ring gas pump has a pressure chamber and a pressure pipe connected to the highest geodesic point of the pressure chamber. A tubular silencer is suspended from the pressure pipe and extends into the pressure chamber. In order to ...
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WO/1996/012557A1 |
The invention concerns an arrangement in autoclaving systems, wherein an autoclaving chamber (2) is evacuated by means of a vacuum pump (8) of liquid ring type, which pump is connected to the chamber (2) by way of an outlet line (7). The...
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WO/1995/029340A1 |
An annular liquid gas pump with working chamber containing a floating impeller (17) and a connecting housing (2) separated therefrom by a control plate (13). On one side of a hub chamber (11) suitable for accepting a slip-ring seal (12),...
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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/1994/023210A1 |
A method for non-destructive compression of a reactive gas such as ozone employs a liquid used as a compressant or sealant in a compressor (100) where the liquid is substantially free of elements which decompose the gas. Provision is als...
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WO/1994/019610A1 |
A process for operating a liquid ring machine (1), in which a partial working chamber (10 or 11) of the liquid ring machine (1) is separated from the operating liquid supply and emptied of the operating liquid to the point at which the p...
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WO/1994/017309A1 |
When liquids are conveyed together in the liquid ring of a liquid ring machine (1), there results an increased power requirement and a deterioration of the running characteristics of the rotor (8). A liquid ring machine (1) for selective...
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WO/1994/016227A1 |
Liquid ring pumps have an annular clearance substantially filled with compressed gas between a stationary housing and a rotating liner inside the housing. The compressed gas provides a gas bearing which supports the liner for rotation re...
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WO/1994/003236A1 |
The invention concerns a device for aspirating gases from, in particular, the topsoil. Efficient protection against explosions is provided by virtue of the fact that the suction fan or underpressure generator is designed as a water-ring ...
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WO/1993/022562A1 |
In order to decalcify a liquid ring machine economically and in a short time, reliably preventing the liquid ring machine from being blocked during its standstill phase by the consolidation of lime sludge, a device (7; 9; 11; 12) is prov...
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WO/1993/020333A1 |
The liquid-ring machine described is of a two-stage (3, 4) design. A rotor (1) comprising two impellers (13, 14) and fitted with discs (1a to 1d) is housed in a multi-component housing (2a to 2c). Located in each stage (3, 4) is a liquid...
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WO/1993/003281A1 |
The invention relates to a control unit for a liquid ring compressor having at least one suction and one delivery slot (2 and 3) and several valve-controlled outlet apertures (5) fitted upstream of the delivery slot (3). An improvement i...
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WO/1993/001396A1 |
A cooling apparatus (10) for cooling the compressant (26) in a liquid ring vacuum pump (30) comprises a closed liquid reservoir (12) located upstream of the suction line (28) to the pump (30) and a separator tank (14) containing a volume...
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WO/1992/021432A1 |
The auxiliary or working liquid is cleaned by being urged through a pervaporation membrane module (3), then the permeate stream from the membrane module is led through a condenser (4), where the impurities concentrated in the permeate st...
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WO/1992/020925A1 |
A multiple flow, liquid ring pump has a roctor housing (1) that encloses the rotor of the pump. A shield (2 or 3) which projects at least partially over the rotor housing (1) in the radial direction is arranged on each front side of the ...
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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/1991/019904A1 |
Rotary fluid pumping apparatus suitable for pumping fluids including a mixture of liquids and gases comprises a vaned rotor (12) rotatable about a rotor axis (13) within a pump chamber (11) having an inlet port (16) and an outlet port (1...
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WO/1991/007592A1 |
The problem of space and weight limitations for liquid ring pumps and regenerative pumps in aerospace applications is solved by a pump having a housing defining a first chamber (22) and a second chamber (24) independent of the first cham...
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WO/1991/006778A1 |
A regenerative pump (1) and method of discharging pressurized fluid therefrom wherein direct flow of pressurized fluid from side channels (10, 11) of the pump into discharge ports (16, 17) of the pump is blocked by walls (18, 19) of the ...
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WO/1991/006748A1 |
A regenerative pump (1) and method of introducing fluid in the pump wherein direct flow of fluid from inlet ports (14, 15) of the pump into side channels (10, 11) of the pump is blocked by walls (18, 19) of the pump casing (2) thereby re...
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WO/1990/015250A1 |
A liquid ring machine comprises an outer drum having a cylindrical outer wall (1) surrounding a central axis (2), a vaned rotor (3) rotatable within the drum about an axis (4) which is parallel to, but offset from, the central axis (2) o...
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WO/1989/012168A1 |
The invention applies to a liquid ring compressor in which there is annular space (10) between the rotor (6) and the rotor axle (5), the annular space being connected with the rotor compression zone through two or more discharge openings...
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WO/1986/000117A1 |
Compressor unit with liquid ring having a horizontal shaft and a compressor casing wherein, connected to the compression stage, there is provided a pressure chamber in connection with a discharge pipe (19). The pressure chamber is divide...
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WO/1985/001086A1 |
A gerotor pump is arranged for unidirectional flow irrespective of direction of rotation of the pump by arranging for displacement of the axis of eccentricity of the annulus and rotor upon drive reversal, the annulus being mounted in a c...
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WO/1981/000438A1 |
Discharge or unloading orifices (70), (71), (73), are provided in both stages (20), (48) of a two stage liquid ring pump to bleed seal liquid under various vacuum conditions and to render the pump immune to the effects of variations in r...
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JP2024507235A |
The control system includes a liquid ring pump (10), a motor (12) configured to drive the liquid ring pump (10), and a controller (20), the controller (20) including a motor ( 12), determine the speed of the motor (12), and determine the...
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JP2023545869A |
a suction line (28), a discharge line (30), a hydraulic fluid line (32), a liquid ring pump (10) connected to the suction line, the discharge line, and the hydraulic fluid line; and a liquid ring pump (10). a regulator configured to cont...
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JP3243776U |
[Problem] Achieving a hermetic cooling effect on the packing filler, not requiring external water supply, avoiding waste of desalinated water, reducing the water replenishment rate of the unit, and improving the operating economy of the ...
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JP2023534905A |
The system comprises a liquid ring pump (10) comprising a chamber (102), an inlet, an outlet and a hydraulic fluid inlet; a gas line (36) connected to the liquid ring pump (10); a valve (8) disposed thereon and a first sensor (81) config...
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JP2022126979A |
To provide a vacuum pump which enables work of adjusting a gap between an impeller and a casing to be performed easily in a short time.A vacuum pump VP including a casing 1 and an impeller 2 is provided. The casing 1 includes a gap adjus...
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JP2022060250A |
To provide a liquid purification system by vapor compression distillation including a liquid ring pump with a rotatable housing.A liquid distillation system includes: (a) an inflow part for receiving untreated liquid; (b) a vaporizer cou...
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JP2022057018A |
To provide a suction vehicle in which water in a washing water tank can be used not only for washing but also for water-sealing or cooling of a vacuum pump.A suction vehicle 2 comprises: a receiver tank 5 collecting a collection object; ...
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JP2022034237A |
To provide a liquid seal type vacuum pump that can efficiently perform sterilization treatment of gas in a space, and has a function of performing the sterilization treatment of the gas.A liquid seal type vacuum pump comprises: a casing ...
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JP2022516683A |
The separator system is a separator (14) for separating a liquid (eg, a hydraulic fluid received from a liquid ring pump (10)) from a mixture containing this liquid and another substance; in the separator (14). Connected to the separator...
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JP2022516384A |
The system has a liquid ring pump (10) containing a chamber (102) and an impeller (106) mounted within the chamber (102), and a liquid ring to move the impeller (106) within the chamber (102). The drive unit configured to drive the pump ...
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JP6924178B2 |
Liquid ring pumps are used to pump a variety of fluid types. Corrosive fluids are easily handled by the work fluid but can cause corrosion of pumping mechanisms. The present invention provides a magnetically driven liquid ring pump with ...
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JP6813390B2 |
To decompose a pump without removing a pipe from the pump.A liquid sealing vacuum pump includes at least one casing 2 storing an impeller 3, and an exhaust casing 9 forming a flow passage configured to discharge to the outside gas exhaus...
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JP6779807B2 |
To provide a liquid seal vacuum pump capable of forming a blade chamber as a space sealed by an impeller while preventing each blade chamber from communicating with each other via a shaft seal part storage space without performing design...
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JP6621799B2 |
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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JP2019206004A |
To provide a liquid purification system by vapor compression distillation including a liquid ring pump with a rotatable housing.A liquid distillation system includes: (a) an inflow part for receiving untreated liquid; (b) a vaporizer cou...
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JP6411040B2 |
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JP2018123707A |
To provide a two steps liquid seal vacuum pump capable of highly setting the characteristic frequency of a body of rotation including an axis of rotation while reducing the axial length of the axis of rotation in a cantilever structure t...
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JP2018522163A |
The liquid-sealed pump includes a fixed housing that defines an internal space and a drive shaft that is rotatably mounted within the fixed housing. The drive shaft has a rotating shaft. The impeller comprises a plurality of blades exten...
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JP2018089622A |
To provide a liquid purification system by vapor compression distillation including a liquid ring pump with a rotatable housing.A liquid distillation system includes: (a) an inflow part for receiving untreated liquid; (b) a vaporizer cou...
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