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WO/1997/010439A1 |
A side channel compressor in which the gap (7) between the impeller (2) and the housing sections (1) surrounding the impeller (2) is sealed by a sealing strip (8) fitted in a peripheral groove (9) in the corresponding wall regions of the...
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WO/1996/024772A1 |
An air movement apparatus (10) comprises a curved body about which air can circulate, the curved body having a rim (12) and, in use, having a lower pressure surface (25) on one side of the rim (12), and a higher pressure surface (26) on ...
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WO/1994/029202A1 |
An apparatus (10) for transporting and metering particulate material including a transport duct having an inlet (14), an outlet (16), and at least one moving surface located therebetween having a downstream facing drive surface (56). The...
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WO/1994/024488A1 |
A high efficiency exhauster (12) which is capable of attaining operating efficiencies of up to 70 % when employed in a solid fuel pulverizer firing system (10) that includes a pulverizer (16) which is operative to effect the pulverizatio...
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WO/1994/015101A1 |
A vortex compressor comprises a housing (1) which is provided with an annular operating channel, an inlet port (2) and a discharge port (3) connected to the annular operating channel, and a cut-off (4) situated between the inlet port (2)...
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WO/1994/011637A1 |
The invention relates to a compressor set consisting of at least two side-channel compressors (2, 7) in axially adjacent arrangement, each having a casing consisting of at least two casing sections (8, 9) with radially outwardly projecti...
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WO/1994/004826A1 |
A regenerative pump comprising a casing (11) with an inlet port (2), an impeller (3) having a plurality of blades (14), with each blade (14) provided with an inner edge (26) and an outer edge (25) in the radial direction of the impeller ...
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WO/1993/007390A1 |
A regenerative pump comprises a housing (1) with a fluid inlet (19) and a fluid outlet, an impeller (12) having a plurality of vanes (13) spaced angularly around the axis of rotation of the impeller (12) and accommodated within a flow ch...
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WO/1992/016752A1 |
A regenerative compressor has a housing in which an impeller (6) rotates. The impeller has a supporting ring (7) fitted with blades (8) and is connected by a wall section (9) to a hub element (10) which can be placed on a drive shaft (5)...
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WO/1992/011459A1 |
A floating, self-centering impeller (12) for a turbine pump assembly (10) has a plurality of "D-shaped" recesses (49) arranged in one or more annular rows on its side surfaces (44, 44a) to induce pressurized film between its side surface...
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WO/1992/007191A1 |
This invention relates to an impeller for a vortex flow blower provided with blades in a three-dimensional shape, formed independently of a blade-casing, and then fixed to said casing, and further relates to a method of making said impel...
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WO/1992/000440A1 |
A rotary disc pump (10) comprises an outer housing (12) with an inner cylindrical rotor chamber (14) having an inlet (18) at one end and an outlet (20) at its outer periphery. A rotor assembly in the chamber comprises at least two parall...
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WO/1991/015680A1 |
In a rotor machine used as a pump or motor, annular cavities (4 and 7), located in the stator (1) and the rotor (6) respectively, form a working chamber (8). In the annular cavity (4) of the stator (1) are mounted blades (9) and in the a...
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WO/1991/013820A1 |
A multiple-chocke unit (10) for transporting and metering particulate material wherein the material is compacted to bridging, disturbed and then recompacted as it is friction-driven through a duct. The duct has two opposed walls (32, 36)...
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WO/1991/006748A1 |
A regenerative pump (1) and method of introducing fluid in the pump wherein direct flow of fluid from inlet ports (14, 15) of the pump into side channels (10, 11) of the pump is blocked by walls (18, 19) of the pump casing (2) thereby re...
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WO/1990/014558A1 |
A device (10) for burning bio-masses and/or solid materials has a degassing and flame chamber (12) and a fire area in this chamber to take the materials to be burnt. The feature of this device (10) is that the degassing chamber is also t...
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WO/1989/006318A1 |
A regenerative rotodynamic compressor has a stator which defines, together with the periphery of an impeller, an annular flow channel of circular cross-section within which is a core ring having a circular cross-section coaxial with and ...
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WO/1988/007277A1 |
A fast axial gas laser apparatus (1) comprising an at least essentially closed loop (6) defining a flow path for a laser gas, an arrangement for exciting gas flowing in the loop of the apparatus to cause the gas to laser, and a regenerat...
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WO/1988/006240A1 |
The ventilator comprises a suction pipe (1) which forks into two pipes (2), which open into a cone (4), after which a fan wheel (8) is arranged. The fan wheel is driven by a drive shaft (5) which passes through the cone (4) to the exteri...
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WO/1985/002231A1 |
A non-vibrational oscillating blade piezoelectric blower (10), including: a piezoelectric bender (12) and means (81, 20) for supporting the piezoelectric bender at its inertial nodes (14, 16). Weights (36) may be attached to the bender t...
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WO/1983/003366A1 |
Apparatus for substantially increasing the feed rate of pulverized material into a pressurized container. The apparatus includes a rotor (10) that is mounted internal to the pressurized container. The pulverized material is fed into an a...
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WO/1983/002134A1 |
Apparatus is shown for feeding a slurry to a pressurized housing (12). An impeller (10) that includes radial passages (18) is mounted in the loose fitting housing (12). The impeller hub is connected to a drive means (42) and a slurry sup...
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WO/1982/002748A1 |
A side-channel pump comprising an open impeller (11) and a side-channel (13A, 13)l formed with a semi-circular side wall and having an inlet (14) and an outlet (15). Between the inlet and the outlet there is provided a bead (21) projecti...
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WO/1980/000988A1 |
A considerable increase of the lifetime of metallic members, particularly the blades of fans or turbines, which are exposed to airborne abrasive particles is obtained by providing such members with a wear-resisting attachment comprising ...
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JP7477432B2 |
To provide an electric blower which achieves high efficiency in a wide air volume range and is small and light-weight.There are provided second axial flow diffuser blades 24 at the downstream of first axial flow diffuser blades 23. An im...
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JP7465852B2 |
To provide a vortex blower in which a gap can be adjusted without disassembly and assembly.A vortex blower comprises: a motor 110 comprising a shaft 111 extending in a first direction; an impeller 120 comprising an annular groove part 12...
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JP7428630B2 |
To provide a highly efficient, compact and lightweight electric blower in a wide airflow range and an electric vacuum cleaner equipped with the electric blower.An electric blower comprises: a motor including a rotor which has a rotor cor...
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JP2024014328A |
The present invention provides a small and lightweight electric blower with high efficiency and high motor cooling efficiency, and a vacuum cleaner equipped with the same. [Solution] An electric blower 200 has a first flow path F1 passin...
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JP2024005816A |
[Problem] To provide a rotating body that can specify the rotational position in the circumferential direction, a motor equipped with the same, and a method for detecting the position of the rotating body. An impeller 1 that is a rotatin...
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JP7353788B2 |
To provide a blower which achieves good cooling efficiency while improving sound absorption effect.A blower includes: an electric motor; blower blades fixed to the load side of a rotary shaft of the electric motor; a fan fixed to the ant...
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JP2023119769A |
To provide a turbo type fluid machine that can sufficiently increase the pressure of second compressed fluid, and can realize a reduction in manufacturing cost and a reduction in size.A turbo type fluid machine according to the present i...
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JP2023118734A |
To provide an improved vortex blower.According to one aspect, the present invention may comprise a vortex blower comprising: a housing; first and second ports in the housing; an airflow channel extending between the first and second port...
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JP7295103B2 |
In accordance with one aspect the present invention may comprise a regenerative blower comprising: a housing, a first port and second port in the housing, an airflow channel extending between the first and second ports for airflow betwee...
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JP7261197B2 |
The invention relates to a recirculation device for a gas of a process device, said recirculation device comprising a recirculation pump, wherein the recirculation pump is a side channel pump.
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JP2023509207A |
A side channel compressor (1) for a fuel cell system (37) for conveying and/or compressing gaseous media, in particular hydrogen, the housing (3) comprising a housing upper part (7) and a housing lower part (8). and at least one orbiting...
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JP7223696B2 |
A vehicle air cleaner (310) is configured to be attached to a vehicle appearance component having an opening (401a) via a waterproof member and comprises a waterproof member, an air blowing mechanism (353) configured to send out air to b...
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JP7167360B2 |
A fan assembly includes a fan body, a motor-driven impeller contained within the fan body and arranged to generate an air flow, a nozzle including a nozzle body having an air inlet arranged to receive the air flow from the fan body, and ...
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JP2022147642A |
To improve responsiveness upon activating an eddy current pump for a fuel battery, while efficiently increasing pressure of off-gas in a pump chamber.When a suction pressure of off-gas suctioned from a suction port 23 is equal to or larg...
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JP7122470B2 |
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); a compressor chamber (30) which is situated in the ho...
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JP7108029B2 |
A side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gas, in particular hydrogen, having a housing (3), having a compressor chamber (30) which is situated in the housing (3) and which has two encir...
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JP2022085305A |
To efficiently raise a pressure of an off-gas from a fuel battery in low output of the fuel battery, and to suppress pressure loss of the off-gas from the fuel battery in high output of the fuel battery.Movement toward a rotating plate 3...
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JP2022081862A |
To provide an electric blower which enables improvement of cooling efficiency of an electric motor.There are provided first axial flow diffuser blades 23 and second axial flow diffuser blades 24 at the downstream of an impeller including...
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JP7075836B2 |
A motor with an inner fan includes a rotor rotating with a shaft, a stator opposing the outer peripheral surface of the rotor, an end ring connected to the rotor, stator wiring connected to the stator, a fan rotating with the shaft throu...
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JP2022063955A |
To provide an open type diagonal flow impeller capable of suppressing a blade tip leakage flow.An open type diagonal flow impeller 20 according to the present invention includes a plurality of rotatable blades 1. The blade 1 has a blade ...
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JP2022035066A |
To provide an electric blower which is highly efficient in a wide air amount range, which is small and light, and to provide a vacuum cleaner including the same.An electric blower includes: a first flow passage 17 passing a suction port ...
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JP7018518B2 |
The invention relates to a side channel compressor (1) for a fuel cell system for conveying and/or compressing a gas, particularly hydrogen, comprising a housing (3) and a drive (6), wherein the housing (3) has a housing upper part (7) a...
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JP2022023844A |
To provide a diagonal flow fan module suitable for operation of ventilating air along a housing portion from a lower side to an upper side, and a portable air purifier equipped with the diagonal flow fan module.There are provided a diago...
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JP2021195883A |
To provide a highly-efficient downsized electric blower excellent in heat dissipation.An electric blower includes an electric motor 10 including a stator 100 having a coil and a rotor 200 having a shaft 400, a diagonal impeller 600 provi...
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JP6916381B2 |
Side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gas, in particular hydrogen, having a housing (3), wherein the housing (3) has a housing upper part (7) and a housing lower part (8), having a com...
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JP6916379B2 |
The invention relates to a side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gas, particularly hydrogen, comprising a housing (3), the housing (3) comprising a housing upper part (7) and a housing...
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