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公开(公告)号：US20190226522A1
公开(公告)日：2019-07-25
申请号：US16369410
申请日：2019-03-29
Applicant: Delta Electronics, Inc.
Inventor： Cheng-Hsien YEH , Chih-Wei CHAN
IPC: F16C27/02 , F04D25/06 , F04D29/057 , H02K5/167 , F04D29/053 , F01D25/18 , F16C17/10 , F04D29/051 , F04D29/056 , H02K1/27 , H02K1/17 , F04D29/02 , F16C32/06
Abstract: A motor includes a shaft, a shell, a sleeve, an abrasion-resistance piece, a bearing, an oil seal, and several compressed springs. The shaft has an axial line. The shell is connected to the shaft. The sleeve has an accommodating space, and the wall of the accommodating space forms a first inclined surface which is inclined at an angle with respect to the axial line. The abrasion-resistance piece is disposed at the bottom of the accommodating space. The bearing is disposed in the accommodating space, and the outer wall of the bearing forms a second inclined surface corresponding to the first inclined surface. The shaft passes through the bearing and abuts the abrasion-resistance piece. The oil seal is affixed to the wall of the accommodating space and covers the bearing. The compressed springs are connected between the oil seal and the bearing.
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公开(公告)号：US20250146507A1
公开(公告)日：2025-05-08
申请号：US18604801
申请日：2024-03-14
Applicant: Delta Electronics, Inc.
Inventor： Chih-Hsun CHANG , Hui-Lun CHIN , Ching-Hsien YEH , Chih-Wei CHAN
Abstract: A fan assembly is provided. The fan assembly includes a hub, a plurality of fan blades, and a fluid-guiding structure. The fan blades surround the hub. The fluid-guiding structure connects any two adjacent fan blades. Each of the fan blades includes a first end connected to the hub and a second end opposite to the first end. The distance between the fluid-guiding structure and the second end is less than the distance between the fluid-guiding structure and the first end. The fluid-guiding structure includes at least one streamlined surface.
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公开(公告)号：US20190226523A1
公开(公告)日：2019-07-25
申请号：US16369470
申请日：2019-03-29
Applicant: Delta Electronics, Inc.
Inventor： Cheng-Hsien YEH , Chih-Wei CHAN
IPC: F16C27/02 , F04D25/06 , F04D29/057 , H02K5/167 , F04D29/053 , F01D25/18 , F16C17/10 , F04D29/051 , F04D29/056 , H02K1/27 , H02K1/17 , F04D29/02 , F16C32/06
Abstract: A motor includes a shaft, a shell, a sleeve, an abrasion-resistance piece, a bearing, an oil seal, and several compressed springs. The shaft has an axial line. The shell is connected to the shaft. The sleeve has an accommodating space, and the wall of the accommodating space forms a first inclined surface which is inclined at an angle with respect to the axial line. The abrasion-resistance piece is disposed at the bottom of the accommodating space. The bearing is disposed in the accommodating space, and the outer wall of the bearing forms a second inclined surface corresponding to the first inclined surface. The shaft passes through the bearing and abuts the abrasion-resistance piece. The oil seal is affixed to the wall of the accommodating space and covers the bearing. The compressed springs are connected between the oil seal and the bearing.
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公开(公告)号：US20190136908A1
公开(公告)日：2019-05-09
申请号：US16148268
申请日：2018-10-01
Applicant: Delta Electronics, Inc.
Inventor： Ching-Hsien YEH , Chih-Wei CHAN
CPC classification number: F16C17/102 , F16C33/1065 , F16C33/107
Abstract: A bearing structure includes a plurality of wave-shaped grooves and an inner surface. The wave-shaped grooves are formed on the inner surface for receiving a lubricating fluid. Each of the wave-shaped grooves extends along a longitudinal axis of the bearing structure. Each of the wave-shaped grooves includes a first peak section, a second peak section, two first connecting sections, two second connecting sections and a trough section. The two first connecting sections are connected to opposite sides of the first peak section, and the two second connecting sections are connected to opposite sides of the second peak section. The trough section is disposed between the first peak section and the second peak section, and the trough section is connected to one of the first connecting sections and one of the second connecting sections. The first and second peak sections and the trough section have a circular arc structure.
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公开(公告)号：US20150192171A1
公开(公告)日：2015-07-09
申请号：US14511857
申请日：2014-10-10
Applicant: DELTA ELECTRONICS, INC.
Inventor： Cheng-Hsien YEH , Chih-Wei CHAN , Chao-Wen LU
CPC classification number: F16C33/74 , F04D19/002 , F04D25/062 , F04D25/0626 , F04D29/0513 , F16C17/107 , F16C33/103 , F16C33/107 , F16C33/1085 , F16C33/726 , F16C2360/46 , F16C2380/26 , H02K7/086
Abstract: A motor includes a shaft, a rotor shell, a bushing, a bearing, and a thrust plate. The rotor shell is connected with the shaft. The bushing has an accommodating space. The bearing is disposed in the accommodating space, and the shaft is disposed through the bearing. The thrust plate is connected with the shaft, and is disposed between a bottom of the accommodating space and a bottom of the bearing. At least one surface of the thrust plate is formed with a plurality of grooves tapering off from an edge to a center.
Abstract translation: 电动机包括轴，转子壳，衬套，轴承和止推板。 转子壳与轴连接。 衬套具有容纳空间。 轴承设置在容纳空间中，轴穿过轴承。 推力板与轴连接，并且设置在容纳空间的底部和轴承的底部之间。 推力板的至少一个表面形成有从边缘向中心渐缩的多个槽。
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Patent Agency Ranking
公开(公告)号：US20210003136A1
公开(公告)日：2021-01-07
申请号：US17025994
申请日：2020-09-18
Applicant: Delta Electronics, Inc.
Inventor： Chao-Wen LU , Chih-Wei CHAN , Che-Wei LEE
Abstract: A micro fan is provided. The micro fan includes a rotor and a stator. The stator includes an axial induced coil unit and a circuit board. The axial induced coil unit is made by twining a coil in an axial direction for at least two layers and in a radial direction for at least two layers.
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公开(公告)号：US20240314969A1
公开(公告)日：2024-09-19
申请号：US18345104
申请日：2023-06-30
Applicant: Delta Electronics, Inc.
Inventor： Hui-Lun CHIN , Pai-Yu HSIAO , Che-Wei LEE , Ching-Hsien YEH , Chih-Wei CHAN
IPC: H05K7/20
CPC classification number: H05K7/20172 , H05K7/20154
Abstract: A centrifugal fan module is provided. The centrifugal fan module includes a housing, a blade unit, a heat sink and a vapor chamber. The housing includes a bottom cover, a sidewall, a top cover and an outlet structure, wherein the bottom cover is connected to the bottom of the sidewall, the top cover is connected to the top of the sidewall, and the outlet structure is connected to the top cover and the sidewall. The blade unit is disposed in the housing, wherein the blade unit is located between the bottom cover and the top cover. The heat sink is disposed on the vapor chamber, the heat sink is located between the vapor chamber and the top cover, and the heat sink is located between the outlet structure and the blade unit.
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公开(公告)号：US20210102550A1
公开(公告)日：2021-04-08
申请号：US16994593
申请日：2020-08-15
Applicant: Delta Electronics, Inc.
Inventor： Chih-Wei CHAN , Cheng-Hsien YEH , Hui-Lun CHIN
IPC: F04D29/38
Abstract: A fan includes a fan impeller. The fan impeller includes an inner frame, an outer frame and a disturbing structure. The inner frame rotates along a rotation axis. The outer frame is disposed around the inner frame. The blades are disposed between the inner frame and the outer frame and arranged radially. The disturbing structure has a plurality of protrusion columns disposed on the outer frame, and the protrusion columns are arranged surrounding the blades. The protrusion columns are provided to generate vortexes in the flow field for disturbing the flow as to reduce noise, and the wind pressure can be increased to obtain better operating characteristics.
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公开(公告)号：US20180235103A1
公开(公告)日：2018-08-16
申请号：US15859084
申请日：2017-12-29
Applicant: DELTA ELECTRONICS, INC.
Inventor： Cheng-Hsien YEH , Chih-Wei CHAN
CPC classification number: H05K7/20172 , F04D17/16 , F04D25/062 , F04D25/064 , F04D25/0646 , F04D25/08 , G06F1/20 , G06F1/203
Abstract: A thin fan includes a frame and a driving device. The fan frame includes a base and a frame shell. The driving device includes a stator structure and a rotor structure disposed corresponding to the stator structure. The stator structure includes a stator pole group, a bushing, a bearing and a compression-resistant pillar. The rotor structure includes a hollow-cylindrical shaft, a rotor shell, a magnetic structure and an impeller. The shaft is mounted on the outer periphery of the compression-resistant pillar and is disposed between the compression-resistant pillar and the bearing. The rotor shell is connected to the shaft. The magnetic structure is disposed on the inner wall of the rotor shell, and the impeller is connected to the rotor shell. The maximum height of the rotor structure is lower than the height of the compression-resistant pillar when the rotor structure is connected to the stator structure.
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公开(公告)号：US20180231009A1
公开(公告)日：2018-08-16
申请号：US15859109
申请日：2017-12-29
Applicant: DELTA ELECTRONICS, INC.
Inventor： Cheng-Hsien YEH , Chih-Wei CHAN
IPC: F04D25/08 , H02K5/16 , F04D29/054 , F04D29/056 , F04D29/62 , H02K5/18 , H02K9/06
CPC classification number: F04D25/08 , F04D17/16 , F04D25/0606 , F04D25/0613 , F04D29/054 , F04D29/056 , F04D29/626 , H02K5/165 , H02K5/1675 , H02K5/18 , H02K7/14 , H02K9/06
Abstract: A thin fan includes a frame and a driving device disposed in the frame. The driving device includes a stator structure and a rotor structure. The stator structure includes a stator pole group and a base body connected to the frame. The stator pole group is disposed on the outer periphery of the base body. The rotor structure is disposed corresponding to the stator structure, and includes a rotor shell, a magnetic structure and an impeller connected to the rotor shell. The center of the rotor shell is formed with a cylindrical shaft, which deeply penetrates into the base body. The rotor shell and the shaft are a single component manufactured by processing a single material workpiece. The magnetic structure is disposed on the inner wall of the rotor shell, and the stator magnetic pole group magnetically drives the magnetic structure as well as the rotor shell to rotate.
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