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WO/2021/135696A1 |
An outdoor unit (1) for an air conditioner, comprising: a driving assembly, which is provided with a first output shaft and a second output shaft; first-stage fan blades (202), which are connected to the first output shaft; second-stage ...
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WO/2021/137315A1 |
The present invention relates to a stop seal for application of high temperature and high pressure and, more specifically, to a stop seal comprising a first seal member and a second seal member, wherein the stop seal can prevent a fluid ...
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WO/2021/132353A1 |
This fan device for clothing can be attached to and detached from clothing. The fan device for clothing is provided with: a mixed flow fan that has a plurality of blades; a motor that rotates the mixed flow fan; and a housing that houses...
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WO/2021/129807A1 |
It provides a Heating Ventilation Air-Conditioning(HVAC) air inlet housing(200) provided with a space(204) to accommodate a blower(202). The HVAC air inlet housing(200) includes at least one resonator(212) formed on the inner circumferen...
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WO/2021/130821A1 |
This impeller comprises: a rotary-driven main plate; an annular side plate arranged facing the main plate; and a plurality of vanes that are connected to the main plate and the side plate, and that are arranged in the circumferential dir...
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WO/2021/128487A1 |
A fan (100), comprising: a vertical post assembly (102); a fan head (104); a hinge assembly (106) comprising a first connection member (1060) and a second connection member (1061) which are hinge-connected, the first connection member be...
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WO/2021/128803A1 |
Disclosed is an axial-flow impeller, comprising a central hub (1) that comprises a base plate (11) and a stacking side wall (12), wherein the stacking side wall (12) is arranged on edges of the base plate (11), a first edge of the stacki...
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WO/2021/128832A1 |
A hinge assembly (100), a household appliance, a rotary device, and a fan (200), the hinge assembly (100) comprising: a rotary shaft (102); a first connecting piece (104), the first connecting piece (104) being provided on the rotary sha...
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WO/2021/128485A1 |
An oscillating device (100) and a fan (1000). The oscillating device (100) comprises: a fixing base (10), wherein a through hole (11) is provided in the fixing base (10); a transmission shaft (20), wherein the transmission shaft (20) is ...
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WO/2021/130924A1 |
An outer fan (2) is provided with: a cylindrical bushing (2a) having a hole formed therein into which a shaft (3) is inserted; and a vane portion (2b) comprising a cylindrical boss portion (21) enclosing the bushing (2a) from an outer pe...
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WO/2021/128579A1 |
A double-exhaust-outlet silencing box for a magnetic levitation blower, comprising a silencing box body (1), wherein the silencing box body (1) includes a silencing box (2) and a top plate (6) located above the silencing box (2); a first...
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WO/2021/129431A1 |
A combined cooling, heating and power micro gas turbine device, comprising a micro gas turbine (2). The micro gas turbine (2) comprises: a gas compressor (20), a turbine (21), and a combustion chamber assembly. The combustion chamber ass...
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WO/2021/129261A1 |
Provided is a blade load distribution-based method for designing a centrifugal-pump compound impeller: calculating an initial impeller to obtain the Euler head gradient coefficient, and determining whether long blades should be replaced ...
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WO/2021/129223A1 |
Disclosed are a blower and a ventilator having the blower. The blower comprises an impeller (10) rotatable with a central axis as a center, a motor for driving the impeller to rotate, and a housing (20) for accommodating the impeller and...
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WO/2021/133413A1 |
An impeller for pumping fluid that comprises discharge flow paths that allow high pressure liquid to be used to flush out low pressure gas that can accumulate within the internal structure of the impeller. The impeller comprises transiti...
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WO/2021/129318A1 |
The present application provides an outdoor unit of an air conditioner, comprising: a motor, the motor being provided with a first output shaft and a second output shaft; a first stage of fan blade, the first stage of fan blade being con...
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WO/2021/121078A1 |
A base unit (1000) and a desktop cooling fan having the base unit (1000), wherein the base unit (1000) comprises a base (1010) used for detachably bearing a front panel unit (2000) and/or a refrigeration unit (3000) and/or an air supply ...
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WO/2021/123098A1 |
The invention relates to a turbomachine compressor module (47), comprising an annular row of structural arms (46) provided with pivotable flaps (60). The arms (46) can define inter-arm spaces (56) between two circumferentially adjacent a...
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WO/2021/123553A1 |
The subject of the invention is a ventilation device for a motor vehicle cooling module, comprising at least a first and a second tangential turbomachine (30-1, 30-2), each of the first and second tangential turbomachines (30-1, 30-2) co...
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WO/2021/124466A1 |
A compressor comprising: an impeller; a housing that rotatably accommodates the impeller and has an intake flow path for introducing gas into the impeller from the outside, a scroll flow path for guiding the gas that has passed through t...
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WO/2021/121800A1 |
The invention relates to a side channel compressor (1) for a fuel cell system (31) for conveying and/or compressing a gaseous medium, in particular hydrogen, comprising a housing (3), a compressor impeller (2) which is located in the hou...
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WO/2021/123146A1 |
The invention relates to a turbomachine compressor module (47), comprising an annular row of structural arms (46) defining inter-arm spaces (56) between two circumferentially adjacent arms (46, 48); and an annular row of stator vanes (39...
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WO/2021/123547A1 |
Disclosed is a motor (14) for a ventilation device (10) of a heating, ventilation and/or air conditioning system of a motor vehicle, comprising a base (34) for mounting the motor (14) on a support (16); a stator (22); a rotor (20) compri...
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WO/2021/123628A1 |
The invention relates to a tool and a method for manufacturing an openwork element made of composite material, the tool comprising - a first (12) and a second flange, each flange being configured to be arranged on either side of the open...
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WO/2021/124630A1 |
Provided is a centrifugal blower that enables a reduction in separation bubbles generated on the negative pressure surface of the blades, thereby effectively reducing noise caused by a shear layer area. The negative pressure surface 29 o...
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WO/2021/120555A1 |
An airflow direction adjustment structure, comprising a nozzle device (1) and a hollow intermediate housing (2). A first airflow inlet (3) is provided on a side surface of the intermediate housing (2). A first airflow outlet (4) is provi...
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WO/2021/122084A1 |
The invention relates to compressor, in particular for a fuel cell system, having a shaft (12) to which at least one impeller (16) is connected, and having at least one axial bearing (24), wherein the axial bearing (24) has an axial bear...
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WO/2021/121799A1 |
The invention relates to a side channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gaseous medium, in particular hydrogen, comprising a housing (3) and a drive (6), wherein the housing (3) has a housing...
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WO/2021/127503A1 |
Intravascular blood pumps systems and methods of use. The blood pump system includes a catheter portion having a distal blood pump with one or more distal collapsible impellers. The system can include a clean purge fluid pathway to carry...
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WO/2021/122598A1 |
The invention relates to a cooling fan (4) comprising a fan shroud (6) having a shroud upper side (O) and having a shroud underside (U), as well as having a fan wheel recess (10), which is surrounded by a shroud ring (12), and a fan whee...
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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/2021/121798A1 |
The invention relates to a side channel compressor (1) for a fuel cell system for conveying and/or compressing a gas, in particular hydrogen, comprising a housing (3) and a drive (6), wherein the housing (3) has a housing upper part (7) ...
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WO/2021/121648A1 |
The invention relates to a fan wheel having fan blades which are connected via a geared connection to an adjusting ring of a driven hub and are rotatable in the hub about their blade axes, and adjustment of the blade angles of the fan bl...
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WO/2021/122111A1 |
The invention relates to an industrial fan or blower comprising a flame-retardant polyamide composition and to a process for preparing the same.
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WO/2021/123543A1 |
A motor mount (16), in particular for a motor fan assembly (10) of a heating, ventilation and/or air conditioning system of a vehicle, comprises two coaxial collars (20; 22), wherein a first collar (20) is capable of receiving one or mor...
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WO/2021/123155A2 |
Described is a twin ended pump apparatus comprising: a housing; a first pump at one end of the housing, said first pump comprising an impeller driven by a rotor of an electric motor, said impeller causing a fluid to flow out of a pump ch...
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WO/2021/114485A1 |
An anti-surge structure for a maglev air compressor comprises a volute (1), an air inlet channel (2), an impeller (3), an end cover (4), a position-limiting block (5), a displacement sensor (6), and a first air inlet (9) and a second air...
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WO/2021/117023A1 |
The invention relates to an adjustable hot and cold modular fan consisting of a rotating head structure with different angles to several sides and an adjustable base. It consists of a fan cover, a key box, a lifting tube, and a large cha...
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WO/2021/117077A1 |
This impeller of the centrifugal compressor is an impeller 5 of a centrifugal compressor, specifically a compressor impeller 5 provided with: a hub; at least one blade disposed upright on a hub surface of the hub; and a first fillet. The...
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WO/2021/115446A1 |
An engine (1000) of an all-terrain vehicle and an all-terrain vehicle. The engine comprises: a crankcase (100), the crankcase (100) comprising a case body (110), a crankshaft (120), and a balance shaft (130), the crankshaft (120) and the...
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WO/2021/114486A1 |
A structure for adjusting a gap between an air inlet passage and an impeller, comprising a volute (1), an air inlet passage (2), an impeller (3), a displacement sensor (4), a servo screw motor (6) and a nut (9); the air inlet passage (2)...
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WO/2021/116621A1 |
The present invention relates to an aero-propulsion system (1) comprising: - a drive shaft (10), - a low-pressure compressor (4), - a fan shaft (13) driving a fan (2), - a reduction mechanism (12) coupling the drive shaft (10) and the fa...
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WO/2021/115633A1 |
The centrifugal compressor comprises a casing and a rotor arranged in the casing and configured to rotate around a vertical rotation axis. The rotor comprises at least one impeller having an impeller suction side and an impeller delivery...
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WO/2021/118208A1 |
The present invention relates to a blower, the blower according to an embodiment of the present invention comprising: a lower case having a suction hole formed therein through which air is introduced; an upper case arranged on the upper ...
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WO/2021/116177A1 |
The invention relates to a refrigeration unit (1) comprising an evaporator (3) for evaporating the refrigerant, a suction funnel (6), a compressor (2) and a condenser (4), the suction funnel (6) collecting evaporated refrigerant and feed...
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WO/2021/114739A1 |
A novel volute tongue structure, a fan volute, and a fan, relating to the technical field of centrifugal fans, and solving the technical problem that existing volute tongue structures cause centrifugal fans to produce large noise during ...
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WO/2021/114527A1 |
A backward centrifugal impeller, comprising a front air disc (1), a rear air disc (2), and several blades (3) installed and connected between the front air disc and the rear air disc; an air inlet (11) is disposed in the middle of the fr...
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WO/2021/114316A1 |
A pump port connection pipe adjustment device, comprising a connection pipe set (1), a selection device and a limiting device, wherein the connection pipe set (1) is composed of connection pipes of different specifications; the selection...
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WO/2021/118916A1 |
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, an impeller configured to rotate about an axis, and a shroud. The impeller has a plurality of blades. The shroud is secured...
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WO/2021/118577A1 |
Technologies are generally described for holding an impeller of a pump assembly in place axially with an impeller locking collar by loading the collar against a ring element. In a centrifugal pump assembly, one side of the shaft has a la...
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