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公开(公告)号：US11764629B2
公开(公告)日：2023-09-19
申请号：US17132290
申请日：2020-12-23
Applicant: DELTA ELECTRONICS, INC.
Inventor： Changhong Liu , Ali Yousefzadi Nobakht , Raymond Ong
Abstract: In a stator stack an in-slot cooling system that includes: (a) two or more conductors of a hairpin winding provided within each slot in a first group of the slots, each conductor running axially across the stator stack and being at a different predetermined radial distance from an air gap; and (b) adjacent each slot of the first group of slots at the end that is in the vicinity of the air gap, a bridge portion of the laminating material that closes the slot and forms in the stator stack substantially adjacent the conductor having the shortest predetermined distance from the air gap an axial cooling channel that allows a coolant to flow therein without leakage therefrom.
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公开(公告)号：US11761912B2
公开(公告)日：2023-09-19
申请号：US17670936
申请日：2022-02-14
Applicant: Delta Electronics, Inc.
Inventor： Sih-Yu Chen , Jhih-Shian Lee , Yuan-Lo Huang , Jui-Ting Hsu , Chih-Pin Chiu
IPC: G01N23/083 , G01N23/10
CPC classification number: G01N23/10 , G01N23/083 , G01N2223/3307
Abstract: This disclosure is directed to an X-ray security device having a main body, a conveyor, and a lead curtain. The main body has an opening. The conveyor passes through the opening and is disposed on a bottom of the opening. The lead curtain is hung on the main body and covers the opening, the lead curtain has a pair of outer modules and a central module, the pair of outer modules are arranged corresponding to two sides of a transport direction of the conveyor, and the central module is disposed between the outer modules. A lead equivalent thickness of each outer module is larger than a lead equivalent thickness of the central module, and a weight of the central module is less than a weight of each outer module.
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公开(公告)号：US11761844B2
公开(公告)日：2023-09-19
申请号：US17545835
申请日：2021-12-08
Applicant: Delta Electronics, Inc.
Inventor： Ming-Tang Yang , Yen-Hsuan Wang , Yu-Hao Shen , Wei-Chung Chen , Kun-Cheng Mao , Jhih-Hao Chen , Sheng-Chun Fang
IPC: G01M3/18
CPC classification number: G01M3/18
Abstract: A leak detection sensor is disclosed for detecting a leaking liquid spilled from an adapter-coupling position, and includes a first conductive layer, an insulator and a second conductive layer. The first conductive layer includes a first through hole. The adapter-coupling position is located adjacent to the first through hole. The insulator includes a second through hole. The second conductive layer is connected to the first conductive layer through the insulator, and includes a conducting surface in fluid communication with the adapter-coupling position through the second through hole and the first through hole. The first conductive layer and the second conductive layer are insulated from each other through the insulator. When the leaking liquid is spilled into the first through hole and the second through hole, and contacts the conducting surface, the second conductive layer is conducted to the first conductive layer to form a conducting-resistance value.
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公开(公告)号：US20230290021A1
公开(公告)日：2023-09-14
申请号：US18198056
申请日：2023-05-16
Applicant: Delta Electronics, Inc.
Inventor： Sih-Yu Chen , Jhih-Shian Lee , Ya-Chen Chen
CPC classification number: G06T11/005 , G06T7/70 , A61B6/03 , A61B6/5217 , A61B6/5288 , G01N23/04 , G06T7/0012 , G06T2207/10072 , G06T2207/30004 , G06T2207/30168
Abstract: A method for gating in tomographic imaging system includes steps of: (a) performing a tomographic imaging on an object with a target moving periodically along a first axis for acquiring projection images; (b) obtaining projected curves by summing up pixel values along a direction of a second axis perpendicular to the first axis in each projection image; (c) determining a target zone on the projection images, wherein a central position on the first axis of the target zone is corresponding to a position having the largest variation in the projected curves on the first axis; (d) calculating parameter values of pixel values in the target zones and obtaining a curve of a moving cycle of the target according to the parameter values; and (e) selecting the projection images under the same state in the moving cycle for image reconstruction according to the curve of the moving cycle of the target.
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公开(公告)号：US11757384B2
公开(公告)日：2023-09-12
申请号：US17869623
申请日：2022-07-20
Applicant: DELTA ELECTRONICS, INC.
Inventor： Kuo-Ying Lee , Feng-Ying Lin , Meng-Yu Chen , Chia-Ching Tsai
CPC classification number: H02P5/50 , H02P5/00 , F01P2005/025
Abstract: A plural-fans driving apparatus is provided to drive a first fan and a second fan, and the first fan and the second fan are three-phase fans. The plural-fans driving apparatus includes a controller, a first three-phase motor driver structure, a second three-phase motor driver structure, and a protection and input interface circuit. The protection and input interface circuit is coupled to the first three-phase motor driver structure and the second three-phase motor driver structure, and protects the first three-phase motor driver structure and the second three-phase motor driver structure. The controller controls the first three-phase motor driver structure to drive the first fan, and controls the second three-phase motor driver structure to drive the second fan.
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Patent Agency Ranking
公开(公告)号：US11757324B2
公开(公告)日：2023-09-12
申请号：US17449948
申请日：2021-10-04
Applicant: DELTA ELECTRONICS, INC.
Inventor： Cheng-Hsun Tsai , Yung-Chih Hsu
Abstract: A rotary motor stator includes a plurality of stator teeth and a plurality of terminal securing blocks. The stator teeth are arranged in a ring to define a rotor accommodation space. Each stator tooth includes an inner side, a winding section and an outer side. The inner side is closer to the rotor accommodation space than the outer side, and the winding section is located between the inner side and the outer side for winding a coil. Each terminal securing block is fixed to the outer side of each stator tooth, and each terminal securing block includes a first wire slot configured to secure an end of the coil. An angle between a line passing through a center of the ring and a center of each terminal securing block and a lengthwise direction of the first wire slot is an acute angle.
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公开(公告)号：US11750081B2
公开(公告)日：2023-09-05
申请号：US16950760
申请日：2020-11-17
Applicant: DELTA ELECTRONICS, INC.
Inventor： Yan Zhou , Baiming Shao , Yingying Gui , Krzysztof S. Klesyk
IPC: H02M1/32 , H02M7/797 , H02M7/5395
CPC classification number: H02M1/32 , H02M7/5395 , H02M7/797 , H02M1/327
Abstract: A method for balancing thermal stresses in semiconductor switching devices may include (a) monitoring temperatures of the semiconductor switching devices to provide a temperature difference between two of the switching devices; and (b) based on the temperature difference, providing a zero-sequence component to be used for adjusting conduction times of each of the semiconductor devices.
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公开(公告)号：US11749442B2
公开(公告)日：2023-09-05
申请号：US17400347
申请日：2021-08-12
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Da Jin , Yahong Xiong , Xiaodong Chen
Abstract: A magnetic element includes at least one primary winding, at least one secondary winding, a magnetic core, and an auxiliary winding. A winding segment or an entire of the primary winding or a winding segment or an entire of the secondary winding is defined as a parallel-connected winding set. The magnetic core includes a plurality of winding legs, two lateral legs, and two connection parts. The at least one primary winding and the at least one secondary winding are wound around each winding leg. The directions of magnetic fluxes through every two adjacent winding legs are opposite. The auxiliary winding is wound on one of two lateral legs, and electrically connected with the parallel-connected winding set. A direction of a magnetic flux generated by the auxiliary winding is opposite to a direction of the magnetic flux through the adjacent winding leg.
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公开(公告)号：US11746798B2
公开(公告)日：2023-09-05
申请号：US17533413
申请日：2021-11-23
Applicant: Delta Electronics, Inc.
Inventor： Kuo-Tung Hsu , Shun-Chen Chang , Wen-Chun Hsu , Chao-Fu Yang , Shuo-Sheng Hsu
CPC classification number: F04D29/4226 , F04D17/08 , F04D29/703
Abstract: A centrifugal fan is disclosed and includes a lower case, an impeller and an upper case. The lower case includes a bottom plate and a sidewall. The impeller is disposed on the bottom plate. The upper case is assembled with the sidewall to form an outlet. The upper case is formed by stamping and includes a first plane, an inlet and a grille. When the impeller is rotated, an airflow flowing from the inlet to the outlet is formed. The grille is protruded outwardly from the first plane, and includes a connecting frame and plural ribs. A spacing height is formed between the connecting frame and the inlet. Each rib has a first end connected to the connecting frame and a second end connected to the first plane. A pair of notches are disposed adjacent to two opposite lateral edges of the second end of the corresponding rib, respectively.
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公开(公告)号：US11745349B2
公开(公告)日：2023-09-05
申请号：US17318884
申请日：2021-05-12
Applicant: Delta Electronics, Inc.
Inventor： Chi-Huan Shao , Chi-Shun Chang
IPC: B25J9/16
CPC classification number: B25J9/1692 , B25J9/1664
Abstract: An origin calibration method of a manipulator is provided. The origin calibration method includes steps of: (a) controlling the manipulator to move in accordance with a movement command, and acquiring the 3D coordinates of the reference anchor points reached by the manipulator; (b) controlling the manipulator to move in accordance with the movement command while an origin of the manipulator being offset, acquiring the 3D coordinates of the actual anchor points reached by the manipulator, and acquiring a Jacobian matrix accordingly; (c) acquiring a deviation of a rotation angle of the manipulator according to the Jacobian matrix, the 3D coordinates of the reference anchor points and the actual anchor points, and acquiring a compensation angle value according to the deviation; and (d) updating the rotation angle of the manipulator according to the compensation angle value so as to update the origin of the manipulator.
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