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公开(公告)号：US20210008310A1
公开(公告)日：2021-01-14
申请号：US17035898
申请日：2020-09-29
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroaki WADA , Yuzo HIGASHIYAMA
IPC: A61M16/00
Abstract: A CPAP device includes a housing. A suction port is provided in a top plate portion of a casing of the air blower. The air blower chamber has a facing wall portion facing the top plate portion with a distance therebetween. A wall portion defining the air blower chamber is provided with an introduction port for introducing external air. In a space between the facing wall portion and the top plate portion, a flow adjustment portion that partitions the space into flow paths arranged side by side around a rotation axis is provided. An outer end portion and an inner end portion of each of the flow paths in a direction orthogonal to the rotation axis are respectively constituted of a first open end and a second open end, the first open end and the second open end being open along the direction orthogonal to the rotation axis.
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公开(公告)号：US20180169359A1
公开(公告)日：2018-06-21
申请号：US15898761
申请日：2018-02-19
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuzo HIGASHIYAMA , Shigeru TSUJI
CPC classification number: A61M16/0066 , A61M16/0069 , A61M16/024 , A61M16/0875 , A61M16/105 , A61M2016/0027 , A61M2205/3365 , A61M2205/3375 , A61M2205/42 , F04D17/16 , F04D25/068 , F04D27/001 , F04D27/004 , F04D29/4226 , F04D29/663 , F05D2270/334
Abstract: A blowing apparatus includes a blowing unit, a first circuit board, a second circuit board, a top casing, a middle casing, and a bottom casing. The bottom casing has an intake hole. The middle casing has a nozzle to which a tube is attached, and also has an exhaust hole inside the nozzle. The exhaust hole is connected to a mask, with the tube interposed therebetween. The blowing unit includes a fan and a motor configured to rotate the fan. The blowing unit is located in a region between the first circuit board and the second circuit board. The first circuit board intersects a rotation axis of the fan. The first circuit board covers the blowing unit as viewed from the top casing in plan view of the first circuit board.
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公开(公告)号：US20240285886A1
公开(公告)日：2024-08-29
申请号：US18655658
申请日：2024-05-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroaki WADA , Yuzo HIGASHIYAMA
CPC classification number: A61M16/0066 , A61M16/106 , A61M2205/10 , A61M2205/3331 , A61M2205/3334 , A61M2205/42 , A61M2205/52
Abstract: A CPAP device includes a housing. A suction port is provided in a top plate portion of a casing of the air blower. The air blower chamber has a facing wall portion facing the top plate portion with a distance therebetween. A wall portion defining the air blower chamber is provided with an introduction port for introducing external air. In a space between the facing wall portion and the top plate portion, a flow adjustment portion that partitions the space into flow paths arranged side by side around a rotation axis is provided. An outer end portion and an inner end portion of each of the flow paths in a direction orthogonal to the rotation axis are respectively constituted of a first open end and a second open end, the first open end and the second open end being open along the direction orthogonal to the rotation axis.
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公开(公告)号：US20210178108A1
公开(公告)日：2021-06-17
申请号：US17183446
申请日：2021-02-24
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuzo HIGASHIYAMA
Abstract: A humidification apparatus includes a bag-shaped flexible reservoir where water is stored, a vaporizer that vaporizes supplied water, a water supply path connected to the flexible reservoir and the vaporizer, an accommodation portion where the flexible reservoir is accommodated, a pressurization source that compresses the flexible reservoir by pressurizing a space outside the flexible reservoir and inside the accommodation portion, and a controller that controls an operation of the pressurization source. Water stored in the flexible reservoir is supplied to the vaporizer through the water supply path by compressive force with which the flexible reservoir is compressed.
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公开(公告)号：US20210077760A1
公开(公告)日：2021-03-18
申请号：US17108166
申请日：2020-12-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroaki WADA , Yuzo HIGASHIYAMA
Abstract: A fan unit includes a fan case and a fan. The fan case has an intake port and a discharge port. The fan is provided inside the fan case and has a holding plate having a first surface and being rotatably supported; and a plurality of blade members provided upright on the first surface. The fan unit includes a first passage that is connected to the intake port and is defined by an inner surface of the fan case, the first surface of the holding plate, and two adjacent blades; and a second passage that is on a second surface side of the holding plate and is connected to the discharge port. An outer circumferential end section of the holding plate is positioned progressively lower towards the outside in the radial direction and has a skirt shape having a sharp gradient.
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Patent Agency Ranking
公开(公告)号：US20180093057A1
公开(公告)日：2018-04-05
申请号：US15820056
申请日：2017-11-21
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuzo HIGASHIYAMA , Daisuke HIRAYAMA
CPC classification number: A61M16/044 , A61M16/024 , A61M16/04 , A61M2016/0027 , A61M2205/0294 , A61M2205/15
Abstract: A cuff-pressure control device includes a pump, an inner pipe connected to the pump, a pressure sensor that measures an internal pressure of the inner pipe, and a control unit that controls a cuff pressure. A cuff is separable from the cuff-pressure control device, and, in a separation state, a first space in communication with the cuff is kept airtight such that the cuff pressure is maintained. The control unit adjusts a pressure in the cuff-pressure control device to a pressure of the first space before the cuff is connected to the cuff-pressure control device in a connection state in which the cuff in the separation state is connected to the cuff-pressure control device and the cuff and the inner pipe are in communication with each other.
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公开(公告)号：US20230030885A1
公开(公告)日：2023-02-02
申请号：US17938498
申请日：2022-10-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor： ATSUSHI HATTORI , Ken SHIN , Yuzo HIGASHIYAMA
Abstract: In the present disclosure, air passing through the inside of a humidifier is readily humidified. The humidifier includes a water chamber having a first circulation opening and a second circulation opening for allowing air to circulate. An outlet baffle that covers at least part of the second circulation opening from below is provided on an inner surface of a top cover of the water chamber. A third circulation opening is formed by the outlet baffle. The direction in which the third circulation opening opens intersects the direction in which the first circulation opening opens. A baffle protrudes from the inner surface of the top cover. The baffle is located on a straight path between the third circulation opening and the first circulation opening and extends in a direction that intersects the straight path.
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公开(公告)号：US20220235952A1
公开(公告)日：2022-07-28
申请号：US17659193
申请日：2022-04-14
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuzo HIGASHIYAMA
Abstract: A humidifier includes a second housing. A water storage tank is in a housing space of the second housing. The tank is detachable through an attachment/detachment port of the second housing. A third introduction hole communicates an inside and an outside of the second housing with each other in the second housing. A first tank hole communicates an inside and an outside of the tank with each other in the tank. Between the second housing and the tank, a first seal member separates a first downstream side flow path leading to an inside of the tank through the third introduction hole and the first tank hole, from an external space of the second housing. The first seal member extends along an inner surface of the second housing to entirely surround the tank, when viewed from a top of the tank.
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公开(公告)号：US20220218937A1
公开(公告)日：2022-07-14
申请号：US17657375
申请日：2022-03-31
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuzo HIGASHIYAMA
Abstract: A humidifier is provided with a water storage tank, a second housing to which the tank is detachably mounted, and a heater for vaporizing water stored in the tank. The tank is configured with a tank body having a space therein, and a partition wall rising from an inner surface of the tank body. A first tank hole that causes an inside and an outside of the tank body to communicate with each other opens in the tank body. The partition wall partitions the space inside the tank body into a water storage space for storing water, and a trap space. The trap space communicates with an outside of the tank via the first tank hole, and communicates with the water storage space.
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公开(公告)号：US20210001069A1
公开(公告)日：2021-01-07
申请号：US17023914
申请日：2020-09-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuzo HIGASHIYAMA , Hiroaki WADA , Shigeru TSUJI
Abstract: A continuous positive airway pressure (CPAP) apparatus includes: a first unit including a first housing provided with a first flow path that connects a first inlet port and a first outlet port and in which an air blower is provided; and a second unit including a second housing provided with a second flow path that connects a second inlet port and a second outlet port. The first flow path between the first inlet port and the air blower includes a first silencer. The second flow path includes a second silencer. In a first use state where the second unit is attached to the first unit, the second outlet port is connected to the first inlet port. In a second use state where the second unit is not attached to the first unit, the first inlet port is opened to the outside.
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