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公开(公告)号：US20240133380A1
公开(公告)日：2024-04-25
申请号：US18547079
申请日：2022-02-16
发明人： Xin Dai , Xibo Liu , Andries Daniel Jozef De Bock
IPC分类号： F04C19/00
CPC分类号： F04C19/00 , F04C2240/40 , F04C2270/051 , F04C2270/782 , F04C2270/784
摘要： A control system comprising: a liquid ring pump; a motor configured to drive the liquid ring pump; and a controller configured to: determine an electrical current within the motor; determine a speed of the motor; calculate a value of a function, the function being a function of the determined electrical current within the motor and the determined speed of the motor; and output one or more control signals based on the calculated value of the function.
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公开(公告)号：US20230243353A1
公开(公告)日：2023-08-03
申请号：US18001803
申请日：2021-06-17
发明人： Andries Daniel Jozef De Bock , Xin Dai , Xibo Liu
摘要： 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); a first sensor (81) configured to measure a first parameter of the inlet fluid; a second sensor (82) configured to measure a second parameter of either the operating liquid, the exhaust fluid, or a fluid within the chamber; and a controller (20) configured to: determine a vapour pressure of the operating liquid using the second parameter; and control operation of the valve (8) based on the first parameter and the vapour pressure.
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公开(公告)号：US20210372402A1
公开(公告)日：2021-12-02
申请号：US16979996
申请日：2019-03-14
摘要： A liquid ring pump manifold comprising an integrated non-return valve, the integrated non-return valve being configured to permit flow of fluid through the liquid ring pump manifold in a first direction and to prevent or oppose flow of fluid through the liquid ring pump manifold in a second direction, the second direction being opposite to the first direction.
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公开(公告)号：US20210010474A1
公开(公告)日：2021-01-14
申请号：US16977770
申请日：2019-03-14
IPC分类号： F04C25/02
摘要： A control system comprising: a suction line; an exhaust line; an operating liquid line; a liquid ring pump comprising a suction input coupled to the suction line, an exhaust output coupled to the exhaust line, and a liquid input coupled to the operating liquid line; a motor configured to drive the liquid ring pump; a first sensor configured to measure a first parameter of an exhaust fluid of the liquid ring pump; a second sensor configured to measure a second parameter of a gas being received by the liquid ring pump via the suction line; and a controller operatively coupled to the first sensor, the second sensor, and the motor, and configured to control the motor based on sensor measurements of the first sensor and the second sensor.
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公开(公告)号：US12123412B2
公开(公告)日：2024-10-22
申请号：US18042696
申请日：2020-08-28
发明人： Andries Daniel Jozef De Bock , Xibo Liu , Quanxi Jiang , Xin Dai
CPC分类号： F04C19/004 , F04C19/00 , F04C28/24 , F04C28/28 , F04C2270/18 , F04C2270/19 , F04C2270/205 , F04C2270/86
摘要： A control system comprising: a suction line; an exhaust line; an operating liquid line; a liquid ring pump coupled to the suction, exhaust, and operating liquid lines; a regulating device configured to control flow of operating liquid into the liquid ring pump; a pressure sensor configured to measure a pressure of an input fluid to the liquid ring pump via the suction line; a first temperature sensor configured to measure temperature of an exhaust fluid output by the liquid ring pump via the exhaust line; a second temperature sensor configured to measure temperature of an operating liquid received by the liquid ring pump via the operating liquid line; and a controller configured to: using the sensor measurements control the one or more regulating devices.
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公开(公告)号：US11828285B2
公开(公告)日：2023-11-28
申请号：US16978566
申请日：2018-10-25
CPC分类号： F04C19/005 , F04C7/00 , F04C19/00 , F04C19/001 , F04C19/004 , F04C19/007 , F04C25/02 , F04C28/24 , F04C29/126
摘要： A system comprising: a suction line; a liquid ring pump coupled to the suction line, the liquid ring pump comprising a chamber and an impeller mounted within the chamber; a non-return valve arranged to permit fluid to flow into the chamber via the suction line and to prevent or oppose fluid flow out of the chamber to the suction line; a gas line coupled to the liquid ring pump such that a gas may flow into the liquid ring pump via the gas line, the gas line coupled to the liquid ring pump between the non-return valve and the chamber; a valve disposed on the gas line; and a controller configured to control the valve.
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公开(公告)号：US11542943B2
公开(公告)日：2023-01-03
申请号：US16979850
申请日：2019-03-14
摘要： A liquid ring pump manifold comprising at least one integrated spray nozzle, the at least one integrated spray nozzle being configured to spray a liquid into the liquid ring pump manifold. The liquid ring pump manifold may comprise at least one socket in which the at least one integrated spray nozzle is accommodated. The at least one socket may be integrally formed with the liquid ring pump manifold.
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公开(公告)号：US20210364003A1
公开(公告)日：2021-11-25
申请号：US16979852
申请日：2019-03-14
摘要： A control system comprising: a suction line; an exhaust line; an operating liquid line; a liquid ring pump comprising a suction input coupled to the suction line, an exhaust output coupled to the exhaust line, and a liquid input coupled to the operating liquid line; a pump configured to pump operating liquid into the liquid ring pump via the operating liquid line and the liquid input; a motor configured to drive the pump; a first sensor configured to measure a first parameter, the first parameter being a parameter of an exhaust fluid of the liquid ring pump; a second sensor configured to measure a second parameter, the second parameter being a parameter of a fluid received by the liquid ring pump; and a controller operatively coupled to the first sensor, the second sensor, and the motor, and configured to control the motor based on sensor measurements of the first sensor and the second sensor. The control system advantageously tends to reduce or eliminate the wear caused by cavitations.
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公开(公告)号：US20220018347A1
公开(公告)日：2022-01-20
申请号：US17309086
申请日：2018-10-25
摘要： A separator system may include a separator for separating a liquid (e.g. an operating liquid received from a liquid ring pump) from a mixture comprising the liquid and another substance; a level indicator coupled to the separator, the level indicator being for indicating a level of the liquid in the separator, the level indicator comprising a tubular member fluidly connected to the separator such that the liquid within the separator may flow from the separator into the tubular member; and a liquid line configured to supply liquid to the separator, the liquid line coupled to the level indicator such that the tubular member is fluidly connected between the liquid line and the separator.
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公开(公告)号：US20210017989A1
公开(公告)日：2021-01-21
申请号：US16978566
申请日：2018-10-25
摘要： A system comprising: a suction line; a liquid ring pump coupled to the suction line, the liquid ring pump comprising a chamber and an impeller mounted within the chamber; a non-return valve arranged to permit fluid to flow into the chamber via the suction line and to prevent or oppose fluid flow out of the chamber to the suction line; a gas line coupled to the liquid ring pump such that a gas may flow into the liquid ring pump via the gas line, the gas line coupled to the liquid ring pump between the non-return valve and the chamber; a valve disposed on the gas line; and a controller configured to control the valve.
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