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WO/2023/161391A1 |
Invention relates to a multi-stage centrifugal pump comprising an assembly (10) for compensating axial forces in a multi-stage centrifugal liquid pump (100) having an inlet (102) and an outlet (104), comprising a balancing drum (16) arra...
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WO/2023/160127A1 |
An anti-blocking-based submersible pump support apparatus for drainage of an open pit, comprising: a support assembly (100) comprising a support box (101), a movable pipe (102), a bearing member (103), a floating member (104), and submer...
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WO/2023/162458A1 |
A ceiling fan 10 comprises: a motor 20; a hub 30 which is disposed on a rotary shaft 22 that is rotated by the motor 20; and a plurality of blades 40 which are arranged radially about the hub 30. The blades 40 each have a plurality of wi...
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WO/2023/160840A1 |
The invention relates to a turbomolecular vacuum pump (1) comprising a stator (2), a rotor (3) configured to rotate inside the stator (2) and a motor (16) configured to drive the rotation of the rotor (3), characterized in that the turbo...
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WO/2023/161320A1 |
The invention relates to a stage for a turbomachine compressor, comprising a row of stator vanes (24) extending radially inwards from an outer shroud to an inner shroud (28) housed in a cavity (30) of the rotor (12), and an air recircula...
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WO/2023/162220A1 |
An electric compressor being provided with: a housing that has a cylindrical stator; a rotary shaft that is disposed inside the housing and has a rotor facing the stator; a low pressure wheel that is fixed to one side of the rotary shaft...
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WO/2023/158552A1 |
A housing for a refrigerant compressor may include a first portion made of a metallic material and surrounding moving parts of the refrigerant compressor. The housing may further include a second portion mounted to the first portion and ...
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WO/2023/157520A1 |
This sealing device comprises: a sealing member provided between a rotating part and a stationary part of a rotating machine in a radial direction of the rotating machine; a holding member for supporting the sealing member movably along ...
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WO/2023/157271A1 |
An impeller according to the present disclosure comprises, on a blade leading-edge side and extending from a radial center section to an outer peripheral edge section, a series of sections which are: a leading-edge side first recess sect...
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WO/2023/156765A1 |
A bearing assembly (10), method of assembling a bearing assembly and a pump are disclosed. The bearing assembly is for mounting a rotatable shaft of a pump, and comprises an inner ring (14) and an outer ring (12) and a plurality of rolla...
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WO/2023/152459A1 |
The present invention relates to an assembly (12) for a turbomachine, comprising: - an outer casing (15) made of half-shells; - an inner casing (14); - a plurality of guide vanes (13) mounted between the outer casing (15) and the inner c...
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WO/2023/151862A1 |
The invention relates to a multistage turbo machine system (100) comprising: a first turbo machine (110) with a drive unit (112), a second turbo machine (120) with a drive unit (122), a first supply line (S1) configured to supply operati...
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WO/2023/153068A1 |
The present invention relates to a pump unit. A pump unit (PU) is provided with a connector (400) that connects a plurality of motor pumps (MP). The connector (400) connects a front-stage-side ejection casing (22) and a rear-stage-side s...
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WO/2023/152497A1 |
A compressor assembly is described comprising a compressor for generating an airflow through the compressor assembly and a silencer located downstream of the compressor. The silencer comprises a plurality of holes through which a portion...
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WO/2023/151109A1 |
A cooling structure of a water pump, and a cooling system provided with same. The structure comprises a pump body (10), a spindle (20), two bearing shells (30), two communication pipes (40) and two mechanical seals (50), wherein the spin...
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WO/2023/153155A1 |
This centrifugal blower comprises a case (2), a motor (3) supported by the case at a motor support position (32a), and a fan (4) which rotates by being driven by the motor. The fan has: a boss part (41) which, on one side of an output sh...
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WO/2023/152393A1 |
The invention relates to a firefighting mist turbine (1) comprising a firefighting agent connection (20) for connecting to a pressurised firefighting agent supply, a housing (7) that can be pivoted about a vertical axis (Z) and a horizon...
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WO/2023/153620A1 |
Disclosed is a blower comprising a cylindrical rotary propeller, which creates high pressure by centrifugal force and imparts linearity to the air being discharged therefrom by using the venturi effect, so that a large amount of air flow...
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WO/2023/153249A1 |
The present disclosure provides a pump that minimizes the occurrence of cavitation. A pump according to the present disclosure comprises an impeller and a drive section. The impeller has a plurality of plate-form blades (93) facing each ...
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WO/2023/151223A1 |
A multi-stage semi-open centrifugal pump capable of reducing wear, comprising a semi-open impeller (1), a guide vane (2), and a pump body (3). The semi-open impeller (1) comprises a plurality of cylindrical blades (4); each blade (4) com...
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WO/2023/154224A1 |
The disclosed technology includes fan mounting decks used in air handling units of heating ventilation and air conditioning (HVAC) systems. The disclosed technology can include an air handling unit having a heat exchanger coil and an axi...
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WO/2023/151114A1 |
A pump body structure and a centrifugal pump having same. The pump body structure comprises a pump body (10), a pump cover (20), a suspension (30), a main shaft (40) and an impeller (50); the pump body (10) is provided with a pump inlet ...
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WO/2023/153250A1 |
The present disclosure provides a pump that suppresses the occurrence of vibration and noise. This pump (1) comprises a pump case (2), a rotary shaft (6), a bearing (7), an impeller (9), a driving part (3), a reception plate (100), and a...
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WO/2023/152105A1 |
A vacuum pump and a rotor preferably for a turbomolecular pump, comprising a support member connectable to a rotor shaft having a plurality of rotor blades. Therein each of the plurality of rotor blades comprises a plurality of layers pe...
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WO/2023/151692A1 |
A portable blowing device and a fan assembly thereof. The fan assembly (2) is used for being accommodated in a support (1) of the portable blowing device, and comprises an electric motor (21) and a fan blade (22), wherein the fan blade (...
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WO/2023/149004A1 |
The present invention relates to a motor pump and a motor pump assembly. The motor pump (MP) has a rotation-side grip structure (100) by which an impeller (1) can grip a rotation-side bearing structure (11).
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WO/2023/147956A1 |
The invention relates to a slide ring (1) having an inner surface (2) arranged so as to face a shaft in operation, the inner surface (2) being formed with a coating (3), the coating (3) comprising a polymer, in particular polyetheretherk...
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WO/2023/148608A1 |
A liquid intake 10 comprises a buoyant liquid receptacle 12 comprising a lid 14, a base 16 and a sidewall 18 extending between the lid and the base. The lid 14, the sidewall 18 and the base 16 collectively define a chamber 20 of the rece...
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WO/2023/149074A1 |
The present invention comprises a stator 11 having a plurality of coils 15 arranged in an annular shape in the outer periphery, a rotor 12 which is disposed on the inner side of the stator and to which a rotational force is applied by a ...
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WO/2023/149260A1 |
Provided is a centrifugal fan that ensures freedom of placement of the centrifugal fan inside a vehicle body, for example, and can prevent damage to a coupling member in advance. The centrifugal fan accommodates an impeller and a motor f...
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WO/2023/149077A1 |
A pump comprising: a pump chamber 13 having a suction port P11 and a plurality of discharge ports P21 and P22; an electric motor 41 capable of forward and reverse rotation; an impeller 21 provided in the pump chamber and driven by the el...
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WO/2023/143736A1 |
The invention refers to an automotive electronic flow pump (10) comprising an axial-flux motor (20), with a rotatable pump wheel (40) with an axial fluid inlet (41) at the wheel upstream front side and a radial fluid outlet (42), the axi...
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WO/2023/146627A1 |
A pump assembly is disclosed comprising, a pump including a pump housing having a fluid inlet. At least one fluid outlet extends from the pump housing. An impeller driven by a motor is mounted in the pump housing arranged to move a fluid...
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WO/2023/143867A1 |
A centrifugal compressor (21) is described comprising an anti-surge return line (2) is disclosed, wherein a radial expansion impeller (22) is arranged downstream the compressor discharge (23) and one or more flow regulators are arranged ...
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WO/2023/143873A1 |
A centrifugal compressor (21) is described comprising an anti-surge return line (2) is disclosed, wherein a radial expansion impeller (22) is arranged downstream a compressor discharge (23) and one or more flow regulators are arranged be...
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WO/2023/142188A1 |
A bearing lubricating structure and a barrel pump having same. The bearing lubricating structure comprises an oil tank (10), a main shaft (20) and a duplex bearing (30), wherein the main shaft (20) penetrates the oil tank (10); the duple...
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WO/2023/146116A1 |
A blowing device according to an example may include: a base portion having a containing space therein; an air inflow portion disposed on one side portion of the base portion such that air is introduced from the outside; a blowing body w...
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WO/2023/144059A1 |
The present invention relates to a fan for a fume extraction device (1), which fan comprises a fan housing (4), a motor (5) and an impeller (52) which is connected to the rotor (51) of the motor (5) and on which, on one side, main blades...
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WO/2023/144308A1 |
The invention relates to a system comprising an electric machine (10), where in the electric machine (10) has a first shaft (11) and a hydraulic unit (20), wherein the hydraulic unit (20) has a second shaft (21), wherein the first shaft ...
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WO/2023/142202A1 |
A mechanical seal flushing structure and a vacuum-tight pipeline system having same. The mechanical seal flushing structure is used in a vacuum-tight pipeline system, and comprises two water pump assemblies (100) and a system main pipeli...
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WO/2023/142771A1 |
A fan lamp reinforcing structure and a fan lamp. The fan lamp reinforcing structure comprises a hanging rod (1) and an electric motor shaft (2), wherein the hanging rod (1) is sleeved outside the electric motor shaft (2), and is provided...
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WO/2023/145274A1 |
This pump comprising: a pump chamber 14 having a suction port 15, a first discharge port 16 and a second discharge port 17; an impeller 18 that generates a rotating flow; and a switching valve 21 that has a first valve cover 23 and a sec...
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WO/2023/143665A1 |
The invention relates to a fuel cell apparatus (1) for a main drive system of an aircraft, comprising at least one fuel cell device (2), and an air supply device (3) which is designed to feed a fluid (4) to the at least one fuel cell dev...
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WO/2023/146055A1 |
The present invention relates to a sewage-draining package system provided in a sewage tank so as to drain out sewage. A sewage-draining package system for preventing clogging by means of a strainer chamber, according to an embodiment of...
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WO/2023/142870A1 |
Drying equipment, aiming at solving the problem that existing noise reduction schemes for drying equipment affect the working efficiency of a fan. The drying equipment comprises a box body (1), a fan (2) mounted on the box body (1), and ...
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WO/2023/142177A1 |
The present application relates to a liquid inlet structure of a water pump, comprising a pump base (10), a pump body (20), and a communicating pipe (30). The pump body (20) is located on the upper side of the pump base (10) and is fixed...
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WO/2023/144060A1 |
The present invention relates to a fan for an extractor hood device (1), which fan has a motor (5) and an impeller (52) which is connected to the rotor (51) of the motor (5) and at the outer edge (524) of which main blades (520) are arra...
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WO/2023/145881A1 |
Provided is a rolling bearing that is suitable for use in contact with a cryogenic liquid, such as a rolling bearing incorporated in a pump device for liquefied gas, and has durability increased by further improving wear resistance as we...
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WO/2023/142189A1 |
A bearing lubricating structure and a barrel pump having same. The bearing lubricating structure is used for a barrel pump and comprises an oil tank (10), a main shaft (20) and a bearing assembly (30), with the main shaft (20) penetratin...
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WO/2023/144133A1 |
The present disclosure concerns a ventilation fan comprising an electric motor driving a ventilation fan having a hub and mounted on the drive shaft of the motor, and wherein an anti-reversal device is concentrically mounted between said...
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