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WO/2024/010283A1 |
The present invention provides an impeller structure of a water ring pump, the structure reinforcing the strength of respective blades of an impeller while increasing the discharge resistance of the impeller. The present invention relate...
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WO/2023/187428A1 |
A liquid ring rotary vane device is provided that comprises a housing with an oval profile inner surface; a toothed gearwheel mounted on a shaft in the center of the housing, in the teeth of which there are slits in which spring-loaded p...
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WO/2023/156951A1 |
A system (2) comprising: a liquid ring pump (10); a separator (14) coupled to an exhaust outlet of the liquid ring pump (10); a valve module (19), the valve module (19) being coupled to the separator (14) via a first drainage line (52) a...
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WO/2022/217729A1 |
Disclosed in the present invention is a water ring type vacuum pump, which structurally comprises a base, a power machine, an impeller machine, an air intake pipe and an exhaust pipe, wherein the top face of the base is welded and connec...
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WO/2022/175828A1 |
A control system comprising: a liquid ring pump (10); a motor (12) configured to drive the liquid ring pump (10); and a controller (20) configured to: determine an electrical current within the motor (12); determine a speed of the motor ...
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WO/2022/041106A1 |
A control system comprising: a suction line (28); an exhaust line (30); an operating liquid line (32); a liquid ring pump (10) coupled to the suction, exhaust, and operating liquid lines; a regulating device configured to control flow of...
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WO/2021/260504A1 |
A system comprising: a liquid ring pump (10) comprising: a chamber (102); a suction inlet; an exhaust outlet; and an operating liquid inlet; a gas line (36) coupled to the liquid ring pump (10); a valve (8) disposed on the gas line (36);...
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WO/2021/063760A1 |
The invention relates to a process for the distillative purification of a crude isocyanate that is obtained by the phosgenation of a corresponding amine in a distillation apparatus under vacuum, in order to obtain the corresponding isocy...
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WO/2021/046476A1 |
A gas compressor comprising a substantially hollow cylindrical drum secured to a fixed shaft and configured to rotate a volume of fluid about a central axis. A plurality of eductors may be affixed to the shaft through support rods and po...
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WO/2020/249476A1 |
A pumping system (500) comprising: a liquid ring pump (502); a motor (504) configured to drive the pump (502); and a variable speed drive (508) configured to control the motor (504). The pump (502) comprises: a pump housing; and an impel...
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WO/2020/082285A1 |
A system comprising: a liquid ring pump (10) comprising a chamber (102) and an impeller (106) mounted within the chamber (102); a driver configured to drive the liquid ring pump (10) so as to cause the impeller (106) to move within the c...
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WO/2020/078023A1 |
A liquid piston air compressor, comprising an air compressor support member and a liquid circulation pipeline. A water inlet of a water pump (37) of the air compressor is connected to an opening of a water return cavity of a mechanical l...
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WO/2020/071872A1 |
The present invention relates to a liquid ring vacuum pump accommodation assembly for accommodating the liquid ring vacuum pump. Disclosed is the liquid ring vacuum pump accommodation assembly comprising: a pump main body; a casing part ...
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WO/2020/065311A1 |
A distillation apparatus is disclosed herein. The distillation apparatus comprises an evaporation chamber, a heat source arranged to provide heat to the evaporation chamber, one or more condensing chambers located at least partially insi...
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WO/2020/015963A1 |
The invention relates to a thermoelectric/thermomechanical transducer, which contains at least one device for compressing/expanding/changing the volume of a working gas by means of a volume-changing element (40, 41, 42, 43) which rotates...
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WO/2019/175820A1 |
A liquid ring pump manifold(10) comprises an integrated non-return valve(31), the integrated non-return valve(31) is configured to permit flow of fluid through the liquid ring pump manifold(10) in a first direction and to prevent or oppo...
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WO/2019/175818A1 |
A method for decoupling a liquid ring pump component (22) from a liquid ring 5 pump (2) for facilitating maintenance services, the liquid ring pump (2) comprising a housing (4) defining an annular chamber and a shaft (8) passing into the...
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WO/2019/175823A1 |
A control system comprising: a suction line (34); an exhaust line (38); an operating liquid line; a liquid ring pump (10) comprising a suction input coupled to the suction line (34), an exhaust output coupled to the exhaust line (38), an...
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WO/2019/175821A1 |
A liquid ring pump manifold (10) comprises at least one integrated spray nozzle (22), the integrated spray nozzle (22) being configured to spray a liquid into the liquid ring pump manifold (10). The liquid ring pump manifold (10) may com...
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WO/2019/043044A1 |
The invention relates to a liquid ring pump (1), which has a pump housing (2), which surrounds a pump chamber (3), into which a pump liquid (14) is filled in the normal operating state. Furthermore, the liquid ring pump (1) has an impell...
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WO/2019/037894A1 |
The invention relates to a method for operating a compressor (100), wherein an ionic liquid (a) is used as an operating liquid, and wherein two different materials (c, d) of the compressor (100) are brought in contact with the ionic liqu...
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WO/2019/034870A1 |
A pump and method for pumping a gas are disclosed. The pump comprises: a pump housing element and a further element; one of the pump housing and the further element comprising a protrusion extending towards the other element, the other e...
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WO/2019/010907A1 |
A closed circulation system for improving operating efficiency of a gas drainage pump. A liquid inlet of a pneumatic diaphragm pump (13) is connected to a liquid outlet of a polymer drag reduction solution tank (9); a liquid outlet pipe ...
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WO/2019/008338A1 |
In the field of semiconductor fabrication there is a need to ensure that different incompatible process flows do not mix with one another in a manner whereby there is a high risk of a catastrophic reaction between the different process f...
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WO/2018/156909A1 |
A method of controlling a liquid ring pump in a pump system includes monitoring a vacuum pressure of the liquid ring pump using a pressure transmitter configured to transmit a vacuum pressure signal to a controller in operative communica...
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WO/2018/139070A1 |
The present invention relates to a two-stage liquid sealing type vacuum pump in which two-stage impellers (vane wheels) are attached to a shaft end part of the main shaft (rotating shaft) of a motor. The present invention provides a two-...
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WO/2018/138194A1 |
The invention relates to a reaction pump, a system and a method for thermal conversion of hydrocarbons, wherein the reaction pump comprises: a reaction chamber (11); an inlet section (12) configured to conduct a first mixture containing ...
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WO/2017/140679A1 |
The invention provides a process for vacuum distillation of at least one organic compound by means of a vacuum unit comprising a vacuum pump (11) and an absorption apparatus (9) connected upstream of the vacuum pump and comprising an abs...
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WO/2017/140670A1 |
The present invention relates to a process for vacuum distillation of at least one organic compound by means of a vacuum unit (8) comprising an absorption liquid, wherein the absorption liquid is different from the organic liquid to be d...
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WO/2017/129373A1 |
The invention relates to use of a liquid organic hydrogen carrier (LOHC) in a piston compressor. Particular aspects of the invention relate to the use of an LOHC as a driving liquid and/ or a liquid cushion in a piston compressor. The in...
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WO/2017/048830A1 |
An intermediate discharge port in a scroll compressor and a method for controlling part- load efficiency of a scroll compressor are disclosed. The compressor includes a compressor housing; a non-orbiting scroll member and an orbiting scr...
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WO/2017/019114A1 |
A liquid ring pump includes a stationary housing that defines an inner space, and a drive shaft rotatably mounted within the stationary housing. The drive shaft defines a rotational axis. An impeller includes a plurality of blades extend...
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WO/2017/013383A1 |
Dry pumps are used to pump a variety of gas mixtures from the semiconductor industry. The present invention provides a liquid ring pump located between the dry pump and an abatement device to remove soluble corrosive materials prior to t...
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WO/2017/013382A1 |
Liquid ring pumps are used to pump a variety of fluid types. The present invention provides a two stage liquid ring pump through which an exhaust gas comprising compounds to be destroyed is passed. The exhaust gas passes through the firs...
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WO/2017/013381A1 |
Venturi Scrubbers are used to separate particulate from a large range of fluids. Many provide additional liquid and/or gas to drive the fluid and aid in the removal of particulate. The present invention provides a liquid ring pump throug...
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WO/2017/013380A1 |
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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WO/2016/205651A1 |
A scroll compressor includes a housing comprising a cylindrical shell arranged about a vertically-extending axis, and scroll compressor bodies, including a fixed scroll compressor body and a movable scroll compressor body. The scroll com...
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WO/2016/130831A1 |
A pump includes a housing that contains a liquid, and a rotor including a plurality of blades extending radially from a shaft, and defining a conical space. A port member is disposed within the conical space. The port member defines an i...
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WO/2016/112259A1 |
A liquid ring pump includes a housing defining an interior working space sized to receive a quantity of gas and a quantity of sealing liquid, a pump head coupled to the housing and defining an inlet channel, an outlet space, and a cone s...
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WO/2015/114401A9 |
Systems and methods for separating particles from fluids are provided. The system comprises a vessel with at least two fluid inlets and a fluid outlet wherein one fluid inlet is positioned higher in the vessel than the other fluid inlet....
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WO/2016/043455A1 |
Disclosed is a compressor having a torque load reducing unit for moving a center of weight to which a gas force is applied. As the torque load reducing unit is formed at an oval-shaped roller, a distance between a rotation center of the ...
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WO/2015/193318A1 |
The invention relates to a fluid ring compressor comprising: a first single-acting compression stage (17) having a first impeller (23) eccentrically mounted in a housing (14); and a second single-acting compression stage (18) having a se...
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WO/2015/069345A2 |
A fuel system incorporating a boost pump unit, a boost pump unit and method of pumping fuel are provided. The fuel system and boost pump unit are preferably self-priming and do not utilize an airframe mounted pump for supplying fuel for ...
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WO/2015/069346A1 |
A liquid ring side channel pump including a housing (102) defining an impeller cavity (106) with an inlet port (108) and a discharge port (110). An impeller (104) is positioned within the impeller cavity (106) for rotation about a centra...
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WO/2015/050595A1 |
A modular liquid ring pump has a liquid ring overload protection system including a passage from a working chamber directly to the pump discharge passage and a mechanical relief valve configured to release liquid from the working chamber...
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WO/2015/022941A1 |
[Problem] To provide an inexpensive water-sealed steam compressor which can be operated quietly with less energy without being broken down with steam as a compressible fluid. [Solution] To enable steam to be used as a compressible fluid,...
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WO/2014/198627A1 |
The invention relates to a method for operating a heat pump (1) comprising the following steps: a fluid is condensed by means of at least one condensation device (5); the fluid is expanded by means of at least one expansion device (6); t...
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WO/2014/137219A1 |
The invention provides a liquid filled, fast rotating unit, such as an electric motor, a mechanical or a magnetic coupling, distinctive in that the liquid filled unit comprises at least one rotating shield arranged between surfaces of di...
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WO/2014/070756A1 |
A liquid ring pump includes a port plate coupled to a pump head. The port plate has an opening with a first end at a first section and a second end at a second section. The first section opens through a portion of a surface forming a fir...
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WO/2013/107888A1 |
A method for mechanically heating a liquid mixture of substances is described. In a liquid-ring pump (1), a foam phase is compressed and the compression heat is transferred to the mixture of substances. An apparatus designed as a liquid-...
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