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公开(公告)号：US20220161937A1
公开(公告)日：2022-05-26
申请号：US17426381
申请日：2020-01-14
发明人： Naoaki FUJIWARA
摘要： A motor-integrated fan having an intake port and a blow-out port comprises a rotary part 12 that is rotatably supported by a shaft, and a motor 14 that rotates the rotary part 12. The motor 14 is an outer periphery drive motor that rotates the rotary part 12 by supplying motive power from a duct provided on the outer peripheral side of the shaft. The motor 14 includes: a permanent magnet 45 provided on a rotary support ring 33 connected to the outer peripheral side of blades 32 of the rotary part 12; and a coil 46 provided opposite the permanent magnet 45 in the axial direction of the axis of rotation. Among the plurality of blades 32, a first blade 32a and a second blade 32b are located at different positions in the axial direction.
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公开(公告)号：US20230016964A1
公开(公告)日：2023-01-19
申请号：US17791014
申请日：2020-12-17
发明人： Tsukasa KATSUMATA , Kiyoka TAKAGI , Naoaki FUJIWARA , Sota KAMO , Kosuke OKA , Kazuki OHASHI
摘要： A joint structure includes a reinforcement portion that is formed by joining a composite material and a reinforcing material through an adhesive. The composite material includes a plate portion that is formed by laminating a plurality of fiber sheets, and a raised portion that is formed by laminating a plurality of fiber sheets in addition to the plurality of fiber sheets of the plate portion, and surfaces of the plate portion and the raised portion are covered with a single fiber sheet. The reinforcement portion includes the raised portion and the reinforcing material that is bonded to the raised portion through an adhesive. A first boundary between the plate portion and the raised portion and a second boundary between the raised portion and the reinforcing material are located at different positions in an in-plane direction of a laminated interface between the fiber sheets that are laminated.
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公开(公告)号：US20210078262A1
公开(公告)日：2021-03-18
申请号：US16767328
申请日：2018-11-01
发明人： Sota KAMO , Kiyoka TAKAGI , Naomoto ISHIKAWA , Hideki HORIZONO , Wataru NISHIMURA , Toshiyuki TAKAYANAGI , Nobuyuki KAMIHARA , Naoaki FUJIWARA , Tsukasa KATSUMATA , Kazuki OHASHI
摘要： A desired shape can be easily realized, and a decrease in strength can be inhibited. A method for producing a composite material includes: an insertion step of inserting an inner member in which a second reinforcing fiber is impregnated with a resin into a space of an outer member that is formed of a woven first reinforcing fiber extending in an undulating manner, the outer member including an opening that is provided at at least one end portion and the space that communicates with the opening; and a composite material forming step of forming a composite material in which the outer member and the inner member are joined to each other by curing the resin of the inner member to join the outer member and the inner member to each other.
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公开(公告)号：US20220388686A1
公开(公告)日：2022-12-08
申请号：US17775877
申请日：2020-09-28
发明人： Kazuki OHASHI , Naoaki FUJIWARA
摘要： This method is for manufacturing a fan blade rotor which includes an annular rotation support ring around a rotary shaft, a permanent magnet provided alongside the rotation support ring in the radial direction, and a composite material for integrally binding the rotation support ring and the permanent magnet, the method including: a step S1 for arranging the rotation support ring and the permanent magnet side by side in the radial direction; steps S2-S4 for spirally winding, on the rotation support ring and the permanent magnet arranged side by side being as a core, the composite material being an uncured composite material including a reinforcement fiber impregnated with an uncured resin with the fiber direction of the reinforcement fiber set as a longitudinal direction; and a step for curing the resin included in the composite material.
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公开(公告)号：US20220081109A1
公开(公告)日：2022-03-17
申请号：US17421229
申请日：2020-01-14
发明人： Naoaki FUJIWARA
摘要： The motor-integrated fan has a suction port and a blowing port, and includes a rotating part rotatably supported on a shaft part; and a peripheral drive motor that rotates the rotating part by applying motive power from a duct provided on an outer peripheral side of the shaft part. The motor includes: a permanent magnet on a rotation support ring connected to the outer peripheral side of a blade of the rotating part; and a coil facing the permanent magnet in the axial direction of a rotational axis. In a cross-section taken on a plane orthogonal to the circumferential direction of the rotational axis, the center of gravity of a free end side portion including at least one of the rotation support ring and the permanent magnet is positioned closer to the suction port in the axial direction than the center of gravity of the thrust applied to the blade.
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公开(公告)号：US20230048852A1
公开(公告)日：2023-02-16
申请号：US17789157
申请日：2020-09-28
发明人： Kazuki OHASHI , Naoaki FUJIWARA
摘要： A motor integrated type fluid machine suctions a fluid from a suction port and discharges the suctioned fluid from a discharge outlet. The machine includes: a shaft portion provided at a center of a rotation axis; a rotating portion rotating around the shaft portion; an outer peripheral portion provided on an outer periphery of the shaft portion; and an outer peripheral drive motor rotating the rotating portion. The rotating portion includes a hub rotatably supported by the shaft portion, blades provided on an outer peripheral side of the hub and provided side by side in a circumferential direction of the rotation axis, and a rotating outer peripheral portion having an annular shape along the circumferential direction. A ratio of a rigidity of the rotating outer peripheral portion against a centrifugal force to a rigidity of the rotating portion against the centrifugal force is 50% to 95%.
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公开(公告)号：US20220345017A1
公开(公告)日：2022-10-27
申请号：US17762245
申请日：2020-07-07
发明人： Kazuki OHASHI , Naoaki FUJIWARA
摘要： A motor-integrated fluid machine includes a rotating part that rotates around a rotation axis; an outer peripheral part provided at an outer periphery of the rotating part; and an outer peripheral drive motor that provides power from the outer peripheral part to rotate the rotating part. The rotating part includes a rotating support ring around the rotation axis, and blades provided on a center side of the ring and provided side by side in a circumferential direction of the rotation axis. The motor includes a rotor side magnet provided on an outer peripheral side of the ring in a radial direction, and a stator side magnet provided on an inner peripheral side of the outer peripheral part to face the magnet. The motor-integrated fluid machine includes a restraining part which covers and restrains the ring and the magnet from an outside to integrate the ring and the magnet
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公开(公告)号：US20220063820A1
公开(公告)日：2022-03-03
申请号：US17299098
申请日：2019-10-30
摘要： A motor-integrated fan 1 including one or more motors integrated therein comprises: a shaft part 11 which serves as a supporting system disposed at the center of a rotational axis; a rotation part 12 which is a rotating system rotating about the shaft part 11; a duct 13 which serves as a supporting system provided on the outer periphery of the shaft part 11; and a motor 14 which rotates the rotation part 12, wherein the rotation part 12 comprises: a plurality of blades 32 rotatably supported at least on the shaft part 11 and rotating thereabout, the blades 32 being arranged in a circumferential direction of the rotational axis I; and a rotation support ring 33 connected on one side of each of the blades 32 in a radial direction of the rotational axis, the rotation support ring 33 supporting the plurality of blades 32.
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