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WO/2021/105533A1 |
The invention relates to an in-line helicocentrifugal fan, comprising a central body with a cylindrical casing (2) inside which the corresponding electric motor (3) with an impeller (5) and a diffuser (6) and nozzles referred to as cones...
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WO/2021/105656A1 |
A Siegbahn or Holweck stage of a pump (400) comprising: a rotor (402) configured to be rotated about an axis of rotation (408); a stator (404) mounted in proximity to the rotor (402) such that a side of the rotor (402) faces a side of th...
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WO/2021/099057A1 |
The invention relates to an air supply apparatus (1) having: an electromotive drive (2), which comprises a rotor (3) with at least one magnet (9); and a cooling device (13). To improve the air supply apparatus (1), in particular in terms...
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WO/2021/096905A1 |
A compressor according to an exemplary aspect of the present disclosure includes, among other things, a mixed compression stage having both axial and radial components arranged along a main flow path, and a radial compression stage havin...
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WO/2021/090380A1 |
A centrifugal air blower provided with: a main plate that is rotationally driven by a fan motor; a ring-shaped shroud that is arranged so as to face the main plate; and a plurality of blades that are arranged between the main plate and t...
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WO/2021/083646A1 |
The invention concerns a motorised respiratory assistance device with an integrated cooling system. The device comprises an enclosure (1) forming a compartment (2) accommodating a motor unit (3) driving turbines (8a, 8b) respectively gen...
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WO/2021/081316A1 |
A vacuum that couples to storage units is provided. The vacuum includes a motor, an internal compartment, and an inlet and outlet that provide fluid communication between the internal compartment and an exterior of the vacuum. The vacuum...
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WO/2021/079646A1 |
A blower (1) is provided with: a fluid introducing box (10); a fan (30) for blowing out at least one of a first fluid and a second fluid which are introduced into the fluid introducing box; and a casing (50) housing the fan. The blower i...
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WO/2021/071819A1 |
This disclosure relates to a compressor having at least two compression stages. In particular, an exemplary compressor includes a first radial compression stage arranged along an axis, a second radial compression stage arranged along the...
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WO/2021/071169A1 |
The present invention relates to an air compressor for a vehicle, the air compressor having improved internal cooling efficiency by ensuring a circulation flow of compressed air for internal cooling and allowing the compressed air to suf...
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WO/2021/065363A1 |
In order to cool a coil of an electric motor (20) of a turbo compressor (10) using a simple configuration, in this turbo compressor, which is provided in a refrigerant circuit (70) that performs a refrigeration cycle, and which compresse...
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WO/2021/068008A1 |
This invention relates to a multi-stage rotor (10). More specifically, the invention relates to a multistage rotor (10) for the compressor stage of a machine that, through a concentric configuration of its innermost (12), outermost (24) ...
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WO/2021/016146A9 |
A compressor including a casing and an impeller arranged within the casing. The impeller is rotatable about an axis. A diffuser section is arranged within the casing. The diffuser section is positioned downstream from an outlet of the im...
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WO/2021/065622A1 |
This fan assembly (80) is provided with a cross-flow fan (23), a cross-flow fan motor (24), a first bearing (60), and a second bearing (70). The cross-flow fan (23) comprises a first end section (23a) and a second end section (23b). The ...
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WO/2021/067637A1 |
A heating, ventilation, and/or air conditioning (HVAC) system (10) includes a compressor (32) having an impeller (200) configured to rotate and drive a working fluid through a working fluid circuit (152) of the HVAC system (10) in an act...
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WO/2021/067478A1 |
A heat transfer circuit includes a compressor, a condenser, an expander, and an evaporator. The compressor includes a shaft that is rotated to compress a working fluid and a gas bearing to support the shaft. A conduit is configured to su...
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WO/2021/065079A1 |
Blades (40) of a cross flow fan (10) each have: an inner edge (42) disposed on the inner circumferential side; an outer edge (43) disposed on the outer circumferential side; and a base part (41) formed between the inner edge (42) and the...
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WO/2021/058995A1 |
Integrated motor-compressor unit (10) comprising a motor (12) and a compressor (14) coupled to said motor (12) via a rotatable shaft (16) and mounted in a single common housing (18) configured to circulate a cooling fluid in a cooling ci...
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WO/2021/051165A1 |
A sensing device for a centrifugal slurry pump having an impeller which rotates about an axis, the centrifugal slurry pump including a side liner and a main liner housed within an outer casing of the pump, the sensing device comprising; ...
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WO/2021/054362A1 |
According to the present invention, a suction port (14) and a blowout port (15) are formed in a casing (11). A fan (12) is provided inside the casing (11). Under test conditions in which a blower is provided so that a reference position ...
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WO/2021/050662A1 |
A centrifugal compressor and a refrigerating device. The compressor includes: a shell, which has a fluid inlet at a first position of the shell, and a fluid outlet at a second position of the shell, a motor assembly, which is arranged in...
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WO/2021/049536A1 |
This ventilation fan enables an increase in airflow rate without an increase in the size of a casing.　The ventilation fan includes: a composite fan 10 comprising first and second ventilation fans 10A, 10B which are connected onto the s...
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WO/2021/038912A1 |
The present invention provides a cross-flow fan capable of increasing wind pressure or wind volume without increasing the diameter thereof. The cross-flow fan (3) includes: a plurality of vanes (15) disposed at predetermined intervals in...
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WO/2021/038911A1 |
Provided is a cross flow fan that makes it possible to reduce fluid loss. The cross flow fan is provided with a plurality of vanes (15) arranged around a rotation axis O1 at predetermined intervals in the circumferential direction, a ton...
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WO/2021/032714A1 |
The electric compressor (1) according to the invention is provided in particular for a charging system of an internal combustion engine. The electric compressor (1) has an impeller compressor (30) with a compressor housing (31) and a com...
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WO/2021/034260A1 |
An Air Handling Unit, AHU, (100) comprising at least one fan (1, 1a, 1b) in order to induce a flow in an air ventilation ducting system (101). The fan is assembled from a front disc (2), a back plate (3) and a plurality of fan blades (4)...
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WO/2021/030319A1 |
A compressor is provided. The compressor includes a first stage portion with a first impeller assembly and a first diffuser assembly, a second stage portion with a second impeller assembly and a second diffuser assembly, and an interstag...
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WO/2021/025851A1 |
A refrigerant compressor assembly (20A, 20B, 20C) includes an axial compressor (22B, 22C, 22) that includes at least one axial stage. A downstream compressor (24) is located fluidly downstream of the axial compressor (22B, 22C, 22) and i...
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WO/2021/018455A1 |
The invention relates to an air supply apparatus (5) for a fuel cell (3), having at least one impeller (30) that is secured to a shaft (40) using an axial bracing device (50). In order to functionally improve the air supply apparatus (5)...
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WO/2021/014086A1 |
In a compression process in a dynamic compressor having at least two compression stages (C2,C3), a first gas (1) having a first molecular weight of less than 10 g/mol is compressed, at least one second fluid (21) having a second molecula...
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WO/2021/013979A1 |
A drag pump for pumping fluid from an inlet to an outlet is disclosed. The drag pump comprises a stator and a rotor. One of the stator or rotor comprises a disc comprising a plurality of channels each of the channels extending from an in...
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WO/2021/001951A1 |
A laser chamber of a discharge excitation gas laser device comprises: a container that accommodates laser gas therein; a pair of discharge electrodes arranged inside the container; a crossflow fan that supplies the laser gas to a dischar...
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WO/2021/001106A1 |
The invention relates to a diffuser (DFF) for a turbomachine (CMP) having an impeller (BLD). The diffuser (DFF) extends annularly around an axis (X) along a circumferential direction (CDR). The diffuser (DFF) has a plurality of diffuser ...
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WO/2020/260582A1 |
The present invention relates to a fan (300) comprising an impeller (301) and a housing (302) encasing the impeller (301), wherein the housing (302) comprises at least one inlet (303) for fluid to the impeller (301) and at least one outl...
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WO/2020/263614A1 |
A compressor includes a housing. An impeller is located within the housing and rotatable about an impeller axis in a first rotational direction. A rotor section is rotatable about the impeller axis in a second rotational direction opposi...
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WO/2020/263617A1 |
A mixed-flow compressor includes an impeller attached to a shaft and rotatable about a shaft axis. A vaneless diffuser is located axially downstream of the impeller and has a converging portion and a diverging portion. A vaned diffuser i...
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WO/2020/264171A1 |
A compressor includes a housing, a shaft that is rotated relative to the housing to compress a working fluid, and a foil bearing that supports the shaft. The foil bearing includes a top foil. The foil bearing is a foil gas bearing that i...
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WO/2020/257047A1 |
The present application discloses a diffuser system and a centrifugal compressor comprising the same. The diffuser system comprises: a passage through which a compressed gas is flowable; and a wall defining the passage, the wall comprisi...
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WO/2020/243772A1 |
An airflow device including: (i) airflow generating means for generating first and second streams of air; (ii) first and second Coanda surfaces; (iii) means for directing the first and second streams of air over first and second Coanda s...
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WO/2020/239265A1 |
The compressor bundle (6) for a motor compressor unit (1) includes at least one fastening device (12) configured to fasten the compressor bundle to a motor casing (3) of the motor compressor unit, and also includes at least one opening (...
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WO/2020/242788A1 |
A centrifugal compressor includes a casing. An impeller is arranged within the casing. The impeller is rotatable about an axis. A diffuser section is arranged within the casing. The diffuser section is positioned axially downstream from ...
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WO/2020/240974A1 |
A compressor 1 which is provided with an impeller 15, and a motor 12 for imparting shaft power thereto, and which compresses a fluid by means of the rotation of the impeller 15, is provided with a calculating unit 3 for estimating the st...
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WO/2020/242281A1 |
Air purifier with bladeless air fan consisting of a housing, that houses a fan assembled from the front (1.2), air treatment filters (1.3), (1.4), rear (1.14), side cover (1.11), motor drive (1.16) placed in its own housing (1.17,). The ...
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WO/2020/233471A1 |
A centrifugal fan and a clothing dryer. The centrifugal fan comprises a housing (1) as well as an impeller (2) and a worm tongue (3) disposed in the housing (1). The housing (1) is provided with an air inlet (4) and an air outlet (5). Th...
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WO/2020/233470A1 |
Provided are a centrifugal fan and a dryer, wherein the centrifugal fan comprises a shell (1), a driving mechanism, an impeller (2) and a volute tongue (3) arranged in the shell (1), the driving mechanism is connected with the volute ton...
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WO/2020/236986A1 |
A gas compressor comprising a drum affixed to a rotating shaft, the drum including a plurality of compression channels between a common pressure zone and an interior surface of the drum distal to an axis of rotation. A static vane return...
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WO/2020/236581A1 |
A compressor includes a housing, a first compression stage defined within the housing, a second compression stage defined within the housing, and a motor disposed between the first compression stage and the second compression stage relat...
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WO/2020/231798A1 |
A centrifugal compressor includes an impeller configured to drive fluid along a fluid flowpath via a plurality of discrete passages. Each of the discrete passages includes a discrete passage exit. A diffuser portion is disposed circumfer...
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WO/2020/231897A1 |
An electric motor includes a stator and a rotator that is configured to rotate with respect to the stator. The stator has a length Ls and the rotor has a length Lr. The length Lr of the rotor is less than the length Ls of the stator such...
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WO/2020/231933A1 |
An exemplary compressor system includes a compressor having a fluid inlet and a fluid outlet. An isolation valve connects the fluid outlet of the compressor to a condenser. A controller is communicatively coupled to the isolation valve a...
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