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WO/2024/073943A1 |
A vertical self-priming pump structure having both cavitation and hydraulic properties, comprising a motor (16) and a pump body. The motor (16) is fixedly connected to the pump body; a pump shaft (15) is fixed to an output shaft end of t...
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WO/2024/053445A1 |
An electric fire pump device 30 is provided with: a water pump 31 that is driven by a motor 33 using a battery as a power supply and ejects pressurized water; and a control device 37 that controls the motor 33. The control device 37 sets...
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WO/2024/039258A1 |
The rubber balloon (30) for the suction hose (6) of the water pump (10) is characterized in that the system consisting of the rubber balloon (30) which is pulled onto the beginning of the suction hose (6) which is connected to the pump (...
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WO/2023/247318A1 |
Invention relates to pump unit 1 for pumping liquid or suspension, the pump unit (1) comprises a centrifugal pump (2) and an inducer (3) in a proximity upstream of an inlet (210) of the centrifugal pump (2): - the centrifugal pump (2) co...
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WO/2023/247319A1 |
Invention relates to pump unit (1) for pumping liquid or suspension, the pump unit (1) comprises a centrifugal pump (2) and an inducer (3) in a proximity upstream of an inlet (210) of the centrifugal pump (2): - the centrifugal pump (2) ...
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WO/2023/240762A1 |
A driven gas-liquid separation startup device. A gas-liquid chamber (7) is in communication with a pump flow channel (8), and a rotating mechanism is provided in the gas-liquid chamber (7); a second cam mechanism is provided in a primary...
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WO/2023/236276A1 |
The present application discloses a self-priming jet pump, which comprises a pump body having a water inlet and a water outlet, the pump body having arranged therein a jet pipe and an impeller; the jet pipe is communicated with the water...
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WO/2023/236389A1 |
A self-priming jet pump comprising a pump body (3) having a water inlet (1) and a water outlet (2). A jet pipe (4) and an impeller (5) are arranged in the pump body (3). A fluid sequentially passes through the water inlet (1), the jet pi...
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WO/2023/221474A1 |
A low-noise self-priming pump housing. The self-priming pump housing (1) is internally provided with an impeller cavity (3) internally provided with an impeller (2); the self-priming pump housing (1) is internally provided with a liquid ...
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WO/2023/221475A1 |
An anti-overflow structure for a self-priming pump, arranged in a water outlet chamber (7) of a self-priming pump body (1), a partition plate (4) being arranged between a water outlet (5) and a water return port (6) in the self-priming p...
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WO/2023/221477A1 |
Disclosed in the present invention is a high-suction-lift shell structure for a self-priming pump. An impeller chamber is formed in the high-suction-lift shell structure, the peripheral wall of the impeller chamber being provided with a ...
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WO/2023/221480A1 |
Disclosed in the present invention is a self-priming pump structure having large suction stroke, comprising a pump body. An impeller cavity internally provided with an impeller is provided in the pump body; a water outlet channel and a w...
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WO/2023/203031A1 |
The invention relates to a liquid degassing system with a liquid inlet connection, with a liquid outlet connection, with a centrifugal pump, with an electric motor driving the centrifugal pump, with a tank and with an electrical/electron...
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WO/2023/168510A1 |
Various downhole tools are discussed, including intake and gas separators for a downhole rotary pump. Multiple intakes configured in parallel and series are discussed, along with compact axial length gas separators, and gas separators th...
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WO/2023/115617A1 |
Disclosed in the present invention is a pneumatic waterless starting self-priming device, comprising a driving device, a gas-liquid separation chamber, and a scaling-type gas-liquid separation chamber. The two chambers are respectively a...
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WO/2023/105471A1 |
A multi-phase rotor comprising a disk body, an inlet to receive a liquid into the rotor, and at least one outlet configured to expel the liquid from the internal rotor cavity. A flow path is provided between the inlet and the at least on...
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WO/2023/070642A1 |
Disclosed in the present invention is a fast water-free starting self-priming apparatus, comprising a front-stage suction chamber, a mid-stage gas-liquid separation chamber, and a rear-stage gas-liquid separation chamber. A plurality of ...
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WO/2023/052276A1 |
The invention relates to a method for priming of a pump (1) in response to a priming condition, wherein the priming comprises the steps of: - confirming that the liquid level in the reservoir (20) is located at the same level or above th...
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WO/2023/029378A1 |
A self-suction type multi-stage composite canned motor pump, comprising a pump inlet (1), a self-suction device, a first-stage centrifugal end (4), a first-stage gas-liquid separation chamber (5), a secondary pump inlet (6), a secondary ...
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WO/2023/011708A1 |
The invention refers to an automotive electric liquid pump module (10) for pumping a coolant liquid in a coolant circuit of an automobile, comprising an electrical flow pump unit (20) with a flow pump wheel (22) directly driven by an ele...
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WO/2023/011706A1 |
The invention refers to a passive automotive coolant liquid deaerator unit (30) for deaerating a circulating coolant liquid of a coolant circuit of an automobile, with a deaerator housing (32) defining a deceleration chamber (40, 40') wi...
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WO/2023/011707A1 |
The invention refers to a passive automotive coolant liquid deaerator unit (30, 30') for deaerating a circulating coolant liquid of a coolant circuit of an automobile, with a deaerator housing (32) defining a deceleration chamber (40, 40...
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WO/2023/284038A1 |
A quick water-free starting device applied to a centrifugal pump, comprising one-way channels (1), a self-priming cavity shell (41), sliding devices (5), a self-priming cavity (4), cavity partition plates (2), a concave-convex impeller (...
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WO/2023/279769A1 |
A self-priming centrifugal pump, comprising a pump body (1), a water inlet (11), a water outlet (12), an impeller (13), a water intake channel (2), an inlet support assembly (3), a flow guide assembly (4), and a pressure compensation ass...
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WO/2023/279689A1 |
A direct current permanent magnet self-priming composite shielding pump, comprising a pump inlet (1), a gas-liquid mixing chamber (2) (or injector), a centrifugal terminal, a buffer boost chamber (7), a gas-liquid separation chamber (8) ...
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WO/2022/180109A1 |
The invention relates to monitoring and predicting the operation of a pump (30) arranged in a tank (3) for transporting a liquid product on board a vessel (1), the pump (30) comprising a pump head (31) arranged in the tank (3). A risk pa...
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WO/2022/160549A1 |
A permanent-magnetic variable-frequency constant-pressure self-priming pump, comprising a permanent-magnetic brushless electric motor (1), a water pump (2) and an intelligent control system, wherein an inner end of a lower side portion o...
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WO/2022/135775A1 |
The invention relates to a centrifugal pump (10) for pumping a multiphase suspension containing liquid, solid material and gas, the pump comprising: - a pump housing (11) having a suspension inlet (12) and a suspension outlet (13) and a ...
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WO/2022/128545A1 |
The invention relates to a pump comprising a pump impeller (5) configured so that, during operation, the axis of the pump impeller (5) is vertical with an impeller inlet (10) disposed above an impeller outlet (11), the pump comprising a ...
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WO/2022/042272A1 |
A centrifugal water pump, comprising a double-output shaft motor (1), a water pump assembly provided on the left side of the double-output shaft motor (1), and a water filling pump assembly provided on the right side of the double-output...
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WO/2021/249584A1 |
The turbopump comprises a turbine (5) and a pump (8), where the turbine (5) comprises a turbine housing (101) with an impeller (102) of the turbine (5) located therein, the pump (8) comprises a pump housing (104) with an impeller (105) o...
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WO/2021/237031A1 |
A new and innovative high-pressure priming valve is provided for use in high-pressure fluid systems that require a high level of fluid purity. The priming valve includes at least three ports, some of which are angled. The priming valve a...
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WO/2021/202090A1 |
Disclosed are pumps designed to make priming more efficient and therefore reduce priming time. The disclosed pumps include one or more deflection structures (40) that prevent fluid moving through a diffuser (20) of the pump from continui...
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WO/2021/187217A1 |
This vortex pump (1) is provided with: an impeller (7); and a pump casing (3) in which the impeller (7) is rotatably housed and which has formed therein a discharge outlet (5) for discharging liquid that has been drawn in by rotation of ...
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WO/2021/156120A1 |
The invention relates to a pump assembly (1) for delivering media mixed with gases or foams having a pump interior chamber (4), a shaft (5), which can be rotatably driven by a drive about a central longitudinal axis (A), an impeller (6) ...
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WO/2021/138221A1 |
Systems, methods, and non-transitory computer-readable media provide a provide an apparatus for initializing cooling circulation with a de-gas pumping system in a vehicle. The apparatus includes a de-gas tank filled with cooling liquid, ...
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WO/2021/125197A1 |
The present invention eliminates the accumulation of air while preventing a decrease in pump efficiency. Provided is a pump. The pump includes: a rotary shaft; an impeller that is attached to the rotary shaft and that rotates with the...
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WO/2021/109513A1 |
Disclosed is a multipurpose transfer pump free of secondary water injection, the pump comprising a cover plate (4), a water injection plug (6), a pump body (7), an impeller (9), a pump body flange (11) and an electric motor (13), wherein...
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WO/2021/087783A1 |
An air discharge control method for a water pump, a movable platform, a spraying apparatus, and a storage medium. The method comprises: (S201) obtaining the current state parameters when a water pump works; (S202) determining the current...
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WO/2021/086923A1 |
Systems and methods implemented as part of firefighting operations include a dual priming system having a positive displacement pump and a venturi, each of which may be active depending on the mode in which the system is operational, a B...
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WO/2021/060975A1 |
The invention relates to a mobile pump system for pumping water and/or extinguishing agent and an associated method therefor. The mobile pump system comprises: - a frame for housing the pump system; - a booster pump arranged in the frame...
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WO/2021/055677A1 |
A pumping system including a pumping chamber with a fluid sensor having a cylindrical shaft extending into the priming chamber. The sensor has a sensing dome on an end of a cylindrical shaft extending into the priming chamber, with the d...
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WO/2021/012600A1 |
A self-priming starting device applied to a centrifugal pump, mounted on a water inlet pipe (20) of the centrifugal pump, and comprising an outer housing (6), an inner housing (4), a primary partition plate (29), a secondary partition pl...
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WO/2021/000402A1 |
Disclosed is a jet water pump, comprising a pump body (1) provided with a water inlet (2) and a water outlet (3), wherein a water suction chamber (4) in communication with the water inlet (2), an impeller chamber (5) used for placing an ...
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WO/2020/137969A1 |
This flow rate switch (6) is provided with: a base (12) having a lead switch (17); a paddle casing (13) fixed to the base (12); a paddle (14) connected to the paddle casing (13); and a switch start part (18) that starts the lead switch (...
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WO/2020/072053A1 |
Included are electric submersible pump assemblies, methods of use, and systems incorporating said electric submersible pump assemblies. An example electric submersible pump assembly comprises an electric submersible pump comprising a pum...
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WO/2020/053906A1 |
The self-priming centrifugal pump comprises a pump body (10) having an inner cavity (11 ) having a longitudinal axis (A) arranged in a horizontal position in use configuration which divides said inner cavity (11) into an upper zone (S) a...
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WO/2020/043811A1 |
The invention relates to the operation of a centrifugal pump for removing gas accumulations from the center of the impeller. In a first step, a first operating parameter (510, figure 8), for example the rotational speed, is varied and in...
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WO/2020/020902A1 |
The invention relates to a fluid delivery device (1) having a primary pump (2) and a main pump (3) fluidically connected to the primary pump (2), wherein the primary pump (2) can be driven by a primary pump input shaft (8), and the main ...
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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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