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WO/2020/013729A1 |
A centrifugal pump contains an impeller mounted in a housing, inlet and discharge chambers of the pumped medium, a jet ejector device with an inlet channel for supplying the medium from the chamber to the impeller, a nozzle, a tube and a...
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WO/2019/184010A1 |
A semi-spherical entrainment type high flow self-priming centrifugal pump, comprising a semi-spherical entrainment system (1), a pump body (2), and a pump inlet pipe (3). The semi-spherical entrainment system (1) is disposed above the pu...
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WO/2019/029503A1 |
Provided is a novel sanitary self-priming pump, comprising a motor (20), a centrifugal pump (18) and a circulating reflux pipeline. The circulating reflux pipeline is formed by a water-sealing bend pipe (7), a water-sealing ball (8), a g...
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WO/2019/018781A1 |
An apparatus for regulating a multi-phase fluid stream flowing from a subterranean geological formation includes a conduit defining a flow path for the fluid stream, the conduit having a restriction (110) having a throat portion (111), a...
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WO/2018/214181A1 |
An intelligent control and fault self-diagnosable detachable jet pump, comprising a housing (1), a jet pump body (2), a drive motor (3), a detachable terminal box (4), and a self-diagnosis circuit. The jet pump body (2) and the drive mot...
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WO/2018/189094A1 |
A pump for pumping fluid comprises a pump housing which comprises a fluid inlet, a fluid outlet, a pumping chamber fluidly connected to the fluid inlet and the fluid outlet. Within the pumping chamber is provided a rotatable impeller for...
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WO/2018/171878A1 |
The present disclosure relates to the pump (100). The pump (100) includes a housing member (102) having an end portion (104) and an outlet portion (110). The housing member (102) accommodates a stator (204) and a rotor (206) associated w...
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WO/2018/167542A1 |
An air-liquid separator (1) for centrifugal pumps, which comprises a hollow body (9) defining an air-liquid separation chamber (10) and having a lower portion (11) with a through hole (12) for the passage of a liquid (L) containing air (...
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WO/2018/168519A1 |
Provided is a vortex pump, wherein: a vortex chamber includes an inlet port (12), a water passage (13), and an outlet port (14); a fluid which is suctioned from a suction port by the rotation of an impeller passes the inlet port (12), th...
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WO/2018/103691A1 |
Provided are a water suction pump and a washing machine. The water suction pump comprises an impeller (4), a water suction cavity cover (5) and a pump body cover (2), wherein one side of the water suction cavity cover (5) is provided wit...
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WO/2018/069692A1 |
In summary, there is provided an impeller (120) for a centrifugal pump for pumping liquid. The impeller (120) has an axial direction about which the impeller is arranged to rotate and a radial direction transverse to the axial direction....
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WO/2018/069691A1 |
There is provided a centrifugal pump comprising a pumping chamber (106). The pumping chamber (106) has an inner surface (108) defining a pump cavity (110); a pump inlet (112) defined in a first side of the pumping chamber (106); a shaft ...
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WO/2018/045606A1 |
A low-noise, self-priming and composite pump. According to the low noise self-priming composite pump, a diffusion guide vane (16) and a guide disc (17) of a conventional self-priming jet pump are replaced with a high-hydraulic-performanc...
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WO/2018/033697A1 |
A turbo pump vent assembly and method are disclosed. The turbo pump vent assembly comprises: a primary manual actuator operable to deliver an initial volume of air to a turbo pump; and a secondary manual actuator operable to deliver a se...
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WO/2018/033194A1 |
Vapor pump (12) for automotive applications, in particular a purge pump for venting a fuel vapor accumulator (16) comprising a housing group (13) including at least a pump housing (21) with a pump chamber (24) and a motor housing (22) wi...
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WO/2018/002600A1 |
A vacuum priming system (2) for priming the liquid pump (3) of a pumping system (1), which is powered by an internal combustion engine (4) and controlled by a controller (5). The priming system (2) includes a well chamber (20), a vacuum ...
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WO/2017/128570A1 |
An online monitoring system (10) comprises a self-priming pump (104), a first sampling tube (105), and a receptacle (106) for receiving a sample to be tested. The first sampling tube (105) is connected to the self-priming pump (104) and ...
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WO/2017/125294A1 |
The invention relates to a system comprising a container (1) and an assembly (9). The assembly (9) comprises a centrifugal pump (10) which is located in the container (1) and pumps a medium into a pipe element (14). An evacuation gap (29...
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WO/2017/125297A1 |
The invention relates to a system comprising a container (1) and an assembly (9). The assembly (9) comprises a centrifugal pump (10) in the container, and a motor (13) for driving the centrifugal pump (10), said motor (13) being located ...
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WO/2017/115933A1 |
In order to prevent a discharge hole, through which air in a pump chamber is discharged during vacuum pumping of a fluid, from being blocked by flowing fluid or the fluid from being suctioned and enable an operation to be stably implemen...
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WO/2017/116732A1 |
A system and method of producing fluid from a wellbore 12 by pressurizing the fluid and then directing the pressurized fluid to a centrifugal pump 26. Pressurizing the fluid compresses gas or vapor within the fluid, thereby decreasing th...
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WO/2017/111213A1 |
In order to improve an air discharging device applied to a vacuum self-priming pump and more easily form a vacuum state in a pump chamber, the present invention relates to an air discharging device for a vacuum self-priming pump, compris...
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WO/2017/111212A1 |
The present invention, following the vacuum pump for fluids in the vacuum self-priming pump of Korean Patent Registration No. 10-791044, provides a vacuum self-priming pump capable of easily initializing and enabling work to be easily pe...
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WO/2017/094224A1 |
A vortex pump (1) is provided with an impeller (3) and a casing (2) which accommodates the impeller (3) with freedom to rotate, and in which a discharge port (22) which discharges a liquid is formed. The casing (2) is provided with a vor...
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WO/2017/079309A1 |
A centrifugal pump includes a selectable regenerative style pumping element, including a regenerative pump rotor and at least one side wall flow channel formed by a rotating disc. The regenerative pumping element is selectable between a ...
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WO/2017/025748A1 |
The invention relates to a self priming pump system which comprises a pump having a pump chamber, a pump drive and a vacuum generator. An inlet of the vacuum generator is connected to an enclosed volume of the pump system via a conduit. ...
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WO/2017/023171A1 |
A description is given of a pump comprising a suction space which is at least partly bounded by a flexible body and which is located between end elements at least one of which can be driven so as to move in a reciprocating manner, a deli...
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WO/2016/198334A1 |
The invention relates to a self-priming pump assembly which is a series connection of a liquid ring pump which operates as a rotating positive-displacement pump and a non-self-priming centrifugal pump, according to the preamble of claim ...
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WO/2016/146523A1 |
The invention relates to a self-priming pump (1) having a housing (9), an inlet (4) and an outlet (5), having a first impeller (15) with a first pump section (17) that is arranged in a first chamber (18), and a second impeller (16) with ...
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WO/2016/116494A1 |
The invention relates to a pump unit (10), comprising: a separator (11), which comprises at least one fluid inlet (12, 12a) for a fluid mixture, which comprises liquid and gaseous media, at least one liquid outlet (13), and at least one ...
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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/2016/085386A1 |
A liquid treatment apparatus (2), comprising a pumping device (3) configured to pump a liquid (4) to be treated into at least one treatment chamber (6) comprising treatment equipment (9) configured to perform UV-light treatment of the li...
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WO/2016/016060A1 |
The invention relates to a centrifugal pump with a barrel casing (1). A plug-in unit (2) is arranged in the barrel casing (1). The plug-in unit (2) has a shaft (3). At least one impeller (4) is arranged on the shaft (3). The impeller is ...
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WO/2015/199569A1 |
Adjustable system for pumping water with self-priming pump consists of check valve (9), flexible plastic hose (7), water container (6),pump (10),power supply(16), drain hose (12) and it is necessary to fill the hose (7) with water over t...
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WO/2015/130620A2 |
A pump, having a pump housing with an impeller arranged therein, features an anti-airlock valve assembly configured with a valve housing having a passageway configured with a vent hole to allow air to bleed out of the pump housing into t...
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WO/2015/112004A1 |
A description is given of a system comprising a not self-priming medium pump provided with a pump head for the supply of medium, a valve which is coupled to the pump head and which comprises a passage which is operated by means of a floa...
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WO/2015/104136A1 |
A self-priming, centrifugal pump comprising a first housing part (25) having a front wall (60) with an inlet (3), a second housing part (20) having an outlet (4), an impeller (30) rotatably arranged in the second housing part (20) and a ...
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WO/2015/104137A1 |
A self-priming, centrifugal pump comprising a first housing part (25) having a front wall (60) with an inlet (3), a second housing part (20) having an outlet (4), an impeller (30) rotatably arranged in the second housing part (20) and a ...
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WO/2015/067748A1 |
The invention relates to a biogas plant (100) having a pump device, to a pump device (1), and to a method for operating a pump device having at least one rotary pump apparatus (2), in particular for a biogas plant (100), for pumping a wo...
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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/2014/187648A1 |
The multistage self-suctioning centrifugal pump unit has at least two pump stages (4) which are arranged one after the other in the main direction of flow (32) and have a return flow channel (13) extending parallel to at least one pump s...
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WO/2014/095027A1 |
A two-phase, self-priming radial turbo pump (10) comprising a connections body (12) having a suction mouth (22) and a delivery mouth (30), a channel body (14) with a volute (36), an impeller (16) having a radial blading (50) arranged rev...
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WO/2014/088126A1 |
The self-priming lifting pump directly connected to an engine and having large capacity suction force according to the present invention is configured in that a spiral vortex flow chamber is formed on one side of a pump housing, an impel...
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WO/2013/179918A1 |
This self-suction pump has a first casing, a second casing, and a third casing. The rear-side end part of a shaft is fixed to the first casing. The front-side end part of the shaft is fixed to a shaft support part provided to the second ...
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WO/2013/155308A1 |
A pump assembly includes a centrifugal pump having an intake, a discharge, a pump chamber and an impeller to deliver water from the intake to the discharge. A priming system is fluidly coupled to the pump chamber. A drive assembly includ...
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WO/2013/107967A1 |
The invention relates to a downstream guide vane sector (16) with vibration damping by means of a wedge for a turbine engine compressor, comprising an inner shroud (20), an outer shroud (22), at least one blade (24), a casing element (36...
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WO/2013/093492A1 |
A pump apparatus comprises a primary pump having a relatively low pressure fluid input and a relatively high pressure fluid output and means, associated with said primary pump fluid input, operable where the ambient pressure is insuffici...
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WO/2013/087387A1 |
The invention relates to a water lifting system, in particular a fire extinguishing system for offshore installations, such as oil and/or gas production platforms or ships or the like, comprising a pump (3) having a suction opening and a...
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WO/2013/022121A1 |
In the present invention, a pump device is obtained that demonstrates high self-sucking and pumping-up performance, and that can easily perform stationary cleaning or breakdown cleaning that satisfy sanitary methods. A self sucking-type ...
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WO/2012/137310A1 |
[Problem] To provide: a renewable energy generator device that can transmit a large torque and that has an affixing structure that is for a hydraulic pump and can be machined easily and at a low cost; and a method for attaching the hydra...
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