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公开(公告)号：US20240298852A1
公开(公告)日：2024-09-12
申请号：US18666187
申请日：2024-05-16
发明人： Rong DING
CPC分类号： A47L5/22 , F04D25/08 , F04D29/444 , F04D29/626
摘要： A fan and a cleaning device are provided. The fan has a housing assembly, a fan cover, a wind wheel, and a first diffuser. The fan cover is mounted on the housing assembly and fits with the housing assembly to form an accommodating cavity. The wind wheel is provided in the accommodating cavity and fits with a side wall of the accommodating cavity to form an air inlet channel. The first diffuser is provided in the accommodating cavity, and has first fan blades and a mounting hub. The mounting hub, the first fan blades and the side wall of the accommodating cavity together provide a first diffusion channel. The air inlet channel is in communication with the first diffusion channel in series.
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公开(公告)号：US12029850B2
公开(公告)日：2024-07-09
申请号：US17485868
申请日：2021-09-27
申请人： ResMed Pty Ltd
IPC分类号： A61M16/00 , A61M16/06 , A61M16/10 , A61M16/20 , F04D13/06 , F04D15/00 , F04D17/16 , F04D29/28 , F04D29/30 , F04D29/42 , F04D29/44
CPC分类号： A61M16/0069 , A61M16/00 , A61M16/024 , A61M16/0616 , A61M16/0666 , A61M16/0683 , A61M16/1045 , A61M16/208 , F04D13/068 , F04D15/00 , F04D17/162 , F04D17/164 , F04D29/281 , F04D29/30 , F04D29/424 , F04D29/444 , A61M2016/0027 , A61M2016/0033 , A61M2205/3341 , A61M2205/8206 , A61M2209/088 , A61M2210/06 , F05D2240/303 , F05D2240/304
摘要： The present technology is directed to a respiratory pressure therapy system, that includes a plenum chamber pressurisable to a therapeutic pressure above ambient air pressure, a seal-forming structure to form a seal with an entrance to the patient's airways to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use, a positioning and stabilising structure constructed and arranged to provide an elastic force to hold the seal-forming structure in a therapeutically effective position on the patient's head, a blower configured to generate the flow of air and pressurise the plenum chamber to the therapeutic pressure, the blower having a motor, the blower being connected to the plenum chamber such that the blower is suspended from the patient's head and the axis of rotation of the motor is perpendicular to the patient's sagittal plane, and a power supply configured to provide electrical power to the blower.
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公开(公告)号：US20240209863A1
公开(公告)日：2024-06-27
申请号：US18595953
申请日：2024-03-05
发明人： Meijian XIONG , Zhengzhong QIAO
CPC分类号： F04D25/06 , A47L5/24 , A47L9/22 , F04D29/281 , F04D29/444
摘要： An electric blower and a cleaning apparatus are provided. The electric blower includes a shell assembly, a wind cover, a rotary impeller and a diffuser. A stator assembly and a rotor assembly are provided inside the shell assembly. The wind cover is connected to the shell assembly. The rotary impeller is located inside the wind cover, and is connected to a rotating shaft of the rotor assembly. The diffuser is arranged at the end of the shell assembly, which faces the wind cover, and is located between the rotary impeller and the shell assembly. An outer wall of the shell assembly is provided with a cylindrical portion. Multiple circumferentially distributed mounting support legs are provided at the end of the cylindrical portion, which faces away from the wind cover. The mounting legs are used to fit with an assembly structure of a cleaning apparatus.
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公开(公告)号：US20240209862A1
公开(公告)日：2024-06-27
申请号：US18601307
申请日：2024-03-11
发明人： Midori DRAKE
IPC分类号： F04D17/10 , F04D25/02 , F04D29/063 , F04D29/28 , F04D29/42 , F04D29/44 , F04D29/58 , F04D29/66 , F25B31/02
CPC分类号： F04D17/10 , F04D25/02 , F04D29/063 , F04D29/284 , F04D29/4233 , F04D29/444 , F04D29/5846 , F04D29/664 , F04D29/665 , F04D29/667 , F25B31/026 , F05B2250/502 , F05B2260/96 , F05D2250/52 , F05D2260/4031
摘要： A centrifugal compressor for a chiller includes an inlet guide vane; an impeller, a diffuser, a volute forming member, a compressor housing, and an insert. The volute forming member is disposed downstream of the diffuser. The volute forming member forms a volute to receive a refrigerant after the refrigerant has been compressed. The volute has a reverse overhung configuration. The compressor housing encloses the impeller. The insert is disposed around an outer periphery of the impeller and interposed between the volute forming member and the compressor housing. The insert includes a diffuser defining wall surface that opposes an inner surface of the volute forming member. The diffuser is defined between the volute forming member and the diffuser defining wall surface.
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公开(公告)号：US20240175443A1
公开(公告)日：2024-05-30
申请号：US18533829
申请日：2023-12-08
IPC分类号： F04D29/44 , A61M16/00 , F04D17/16 , F04D25/06 , F04D29/28 , F04D29/30 , F04D29/42 , F04D29/66
CPC分类号： F04D29/444 , A61M16/0066 , F04D17/16 , F04D17/164 , F04D17/165 , F04D25/06 , F04D25/0606 , F04D29/281 , F04D29/30 , F04D29/4206 , F04D29/663 , F04D29/667 , A61M2205/42 , A61M2206/14 , F05D2250/52
摘要： A blower for a breathing apparatus has a diffuser for increasing static pressure and/or reducing noise and/or mitigating pressure instabilities and/or managing reverse flow.
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公开(公告)号：US20240151244A1
公开(公告)日：2024-05-09
申请号：US18373562
申请日：2023-09-27
申请人： LG ELECTRONICS INC.
发明人： Jinwook CHOI , Jaehyuk JUNG , Juhyun KIM , Seokho CHOI
CPC分类号： F04D29/444 , F04D17/00
摘要： A blower according to an embodiment of the present disclosure includes: a case; a fan; and a diffuser disposed downstream of the fan and guiding air, discharged from the fan, toward the discharge ports, wherein the diffuser includes: an outer wall; an inner wall spaced apart inwardly from the outer wall so that an air passage is formed therebetween; and a plurality of vanes extending radially between the outer wall and the inner wall and dividing the air passage into a plurality of unit passages, wherein the outer wall and the inner wall are formed to have areas with different radial separation distances D between the outer wall and the inner wall, such that in an area of the air passage of the diffuser in which air is discharged to a portion having a high flow resistance in the blower, the radial separation distance D increases to widen the air passage S, thereby compensating for the asymmetry of the passage inside the blower, allowing a uniform volume of air to reach the entire area of the discharge ports, and improving the performance of the blower.
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公开(公告)号：US11953015B2
公开(公告)日：2024-04-09
申请号：US17517789
申请日：2021-11-03
发明人： Midori Drake
IPC分类号： F04D29/063 , F04D17/10 , F04D25/02 , F04D29/28 , F04D29/42 , F04D29/44 , F04D29/58 , F04D29/66 , F25B31/02
CPC分类号： F04D17/10 , F04D25/02 , F04D29/063 , F04D29/284 , F04D29/4233 , F04D29/444 , F04D29/5846 , F04D29/664 , F04D29/665 , F04D29/667 , F25B31/026 , F05B2250/502 , F05B2260/96 , F05D2250/52 , F05D2260/4031
摘要： A centrifugal compressor for a chiller includes a first stage impeller, a first stage diffuser, a second stage impeller, a second stage diffuser, and a second stage volute. The first stage impeller is arranged to receive refrigerant from an inlet. The second stage volute is disposed downstream of the second stage diffuser to receive the refrigerant after the refrigerant has been compressed. The second stage volute has a reverse overhung configuration.
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公开(公告)号：US20240084811A1
公开(公告)日：2024-03-14
申请号：US18262488
申请日：2022-04-02
发明人： Yuanjian LIANG , Changcheng LI , Zhimin YANG
CPC分类号： F04D25/062 , F04D29/30 , F04D29/384 , F04D29/444
摘要： A fan includes a rotor; a stator; a first bearing assembly disposed at a radial outer side of an end of the rotor; and an impeller including an impeller body, where the impeller body is provided with a receiving cavity for receiving the first bearing assembly; and one end of the first bearing assembly is disposed in the receiving cavity, and the rotor, the first bearing assembly and the impeller body are disposed coaxially.
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公开(公告)号：US20240068487A1
公开(公告)日：2024-02-29
申请号：US18265196
申请日：2021-12-03
申请人： Cummins LTD
发明人： Tejas Garge , Rohan Kulkami , Vidyesh Bobade , Siddharth Sane , Vivek Mehta
CPC分类号： F04D29/444 , F01D15/08 , B33Y10/00
摘要： A vane arrangement for a compressor is disclosed. The vane arrangement comprises a generally annular vane deck and at least one vane. The generally annular vane deck extends at least partway around a longitudinal axis, defining a deck thickness b in the axial direction. The at least one vane projects from a first surface of the vane deck. The at least one vane comprises a leading edge, a trailing edge, and first and second pressure surfaces. The leading edge is proximate the longitudinal axis. The trailing edge is distal the longitudinal axis. The first and second pressure surfaces extend between the leading edge and the trailing edge. The at least one vane defines a neck thickness t, proximate the leading edge, in a plane normal to the longitudinal axis, wherein t/b≥about 0.21.
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公开(公告)号：US11892000B2
公开(公告)日：2024-02-06
申请号：US17752992
申请日：2022-05-25
IPC分类号： F04D17/16 , F04D25/06 , F04D29/58 , F04D17/12 , A61M16/00 , F04D29/42 , F04D29/44 , F04D29/66 , F04D25/08 , F04D29/02 , F04D29/28
CPC分类号： F04D17/164 , A61M16/0057 , A61M16/0066 , F04D17/12 , F04D17/122 , F04D17/16 , F04D17/165 , F04D25/06 , F04D25/0606 , F04D25/08 , F04D29/023 , F04D29/281 , F04D29/4253 , F04D29/441 , F04D29/444 , F04D29/5806 , F04D29/667 , A61M2205/42
摘要： A blower for providing a supply of air at positive pressure in the range of approximately 2 cmH2O to 30 cmH20 includes a motor, at least one impeller, and a stationary component. The stationary component includes an inlet and an outlet. The motor, the impeller, the inlet and outlet are co-axial.
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