Patents by Inventor Hong-Cheng Sheu
Hong-Cheng Sheu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230058335Abstract: A stator structure of a vehicle motor includes a stator core assembly and a plurality of coil assemblies composed of flat wires. The stator core assembly includes an annular portion and a plurality of tooth portions. The tooth portions extend from the annular portion in a radial direction toward a center of the stator core assembly. Each coil assembly is configured around a corresponding tooth portion. Each coil assembly includes a first flat wire and a plurality of second flat wires that are electrically connected in parallel. The first flat wire is radially stacked and wound around the corresponding tooth portion. The second flat wires are arranged radially adjacent to the first flat wire and are electrically connected in series to the first flat wire. The second flat wires are alternately stacked and radially wound around the corresponding tooth portion.Type: ApplicationFiled: December 2, 2021Publication date: February 23, 2023Inventors: Hong-Cheng SHEU, Hsin-Yi HUANG, Kuei-Yuan HUANG
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Patent number: 11381129Abstract: A motor stator has a core and first, second and third hairpin wires. The core has slots, an insertion side and an extension side. Each first hairpin wire has its first hairpin first leg inserted into a third layer of the slots and its first hairpin second leg inserted into a sixth layer of the slots. Each second hairpin wire has its second hairpin first leg inserted into a fourth layer of the slots and its second hairpin second leg inserted into a fifth layer of the slots. Each third hairpin wire has its third hairpin first leg inserted into a first layer of the slots and its third hairpin second leg inserted into a second layer of the slots. At the extension side, a plurality of immediately-adjacent hairpin legs are connected to form first and second winding sets.Type: GrantFiled: December 3, 2019Date of Patent: July 5, 2022Assignee: DELTA ELECTRONICS, INC.Inventors: Hong-Cheng Sheu, Chun-Chih Lin
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Patent number: 10985625Abstract: A motor stator structure includes a core and plural hairpin wires. The core has slots, an insertion side, and an extension side. Each slot has an innermost layer, a second inner layer, a second outer layer and an outermost layer configured in a radial direction of the core. The hairpin leg protruding from the innermost layer extends for a first span distance, the hairpin leg protruding from the second inner layer extends for a second span distance, the hairpin leg protruding from the second outer layer extends for a third span distance, and the hairpin leg protruding from the outermost layer extends for a fourth span distance. The first span distance is different from the second span distance. The third span distance is different from the fourth span distance. The first and fourth span distances are substantially the same. The second and third span distances are substantially the same.Type: GrantFiled: June 24, 2019Date of Patent: April 20, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Hong-Cheng Sheu, Hsing-Cheng Lin, Chia-Hsing Chien, Yi-No Chen
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Publication number: 20200212750Abstract: A motor stator has a core and first, second and third hairpin wires. The core has slots, an insertion side and an extension side. Each first hairpin wire has its first hairpin first leg inserted into a third layer of the slots and its first hairpin second leg inserted into a sixth layer of the slots. Each second hairpin wire has its second hairpin first leg inserted into a fourth layer of the slots and its second hairpin second leg inserted into a fifth layer of the slots. Each third hairpin wire has its third hairpin first leg inserted into a first layer of the slots and its third hairpin second leg inserted into a second layer of the slots. At the extension side, a plurality of immediately-adjacent hairpin legs are connected to form first and second winding sets.Type: ApplicationFiled: December 3, 2019Publication date: July 2, 2020Inventors: Hong-Cheng SHEU, Chun-Chih LIN
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Publication number: 20200112218Abstract: A motor stator structure includes a core and plural hairpin wires. The core has slots, an insertion side, and an extension side. Each slot has an innermost layer, a second inner layer, a second outer layer and an outermost layer configured in a radial direction of the core. The hairpin leg protruding from the innermost layer extends for a first span distance, the hairpin leg protruding from the second inner layer extends for a second span distance, the hairpin leg protruding from the second outer layer extends for a third span distance, and the hairpin leg protruding from the outermost layer extends for a fourth span distance. The first span distance is different from the second span distance. The third span distance is different from the fourth span distance. The first and fourth span distances are substantially the same. The second and third span distances are substantially the same.Type: ApplicationFiled: June 24, 2019Publication date: April 9, 2020Inventors: Hong-Cheng SHEU, Hsing-Cheng LIN, Chia-Hsing CHIEN, Yi-No CHEN
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Patent number: 10404123Abstract: A stator is applied in an electrical motor. The stator includes a hollow iron core and a plurality of coil windings. The hollow iron core has two opposite surfaces and a plurality of accommodating spaces communicated with the surfaces. The accommodating spaces are arranged in an annular pattern. Each of the coil windings includes a plurality of wires winded via the accommodating spaces. Portions of the wires of the coil windings located in the accommodating spaces are radially concentrically arranged to form a plurality of winding layers. In at least one of the accommodating spaces, a wire cross-sectional area of the wire of the innermost one of the winding layers is smaller than a wire cross-sectional area of the wire of the outermost one of the winding layers.Type: GrantFiled: July 26, 2017Date of Patent: September 3, 2019Assignee: DELTA ELECTRONICS, INC.Inventors: Hong-Cheng Sheu, Hsing-Cheng Lin, Chia-Hsing Chien
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Patent number: 10340822Abstract: A motor control system includes an electric motor and inverter. The electric motor includes a stator, rotor, and winding structure. The stator includes an iron core with a plurality of slots formed therein along a radial direction of the stator. The winding structure has a plurality of hairpin wires with pins disposed in the slots. The winding structure is configured to provide a plurality of phase windings and each phase winding includes a plurality of motor windings. The inverter includes a switching controller configured to control the turning-on and turning-off of the motor windings of each phase winding of the winding structure. When the electric motor operates in a high-speed mode, the switching controller controls the turning-on and turning-off of the motor windings of each phase winding such that a number of the phase windings turned-on is ? less than a number of all the phase windings.Type: GrantFiled: April 24, 2018Date of Patent: July 2, 2019Assignee: Delta Electronics, Inc.Inventors: Hong-Cheng Sheu, Chien-Yu Lai, I-Wen Tsai
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Publication number: 20180375448Abstract: A motor control system includes an electric motor and inverter. The electric motor includes a stator, rotor, and winding structure. The stator includes an iron core with a plurality of slots formed therein along a radial direction of the stator. The winding structure has a plurality of hairpin wires with pins disposed in the slots. The winding structure is configured to provide a plurality of phase windings and each phase winding includes a plurality of motor windings. The inverter includes a switching controller configured to control the turning-on and turning-off of the motor windings of each phase winding of the winding structure. When the electric motor operates in a high-speed mode, the switching controller controls the turning-on and turning-off of the motor windings of each phase winding such that a number of the phase windings turned-on is 1/3 less than a number of all the phase windings.Type: ApplicationFiled: April 24, 2018Publication date: December 27, 2018Inventors: Hong-Cheng SHEU, Chien-Yu LAI, I-Wen TSAI
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Publication number: 20180152070Abstract: A stator is applied in an electrical motor. The stator includes a hollow iron core and a plurality of coil windings. The hollow iron core has two opposite surfaces and a plurality of accommodating spaces communicated with the surfaces. The accommodating spaces are arranged in an annular pattern. Each of the coil windings includes a plurality of wires winded via the accommodating spaces. Portions of the wires of the coil windings located in the accommodating spaces are radially concentrically arranged to form a plurality of winding layers. In at least one of the accommodating spaces, a wire cross-sectional area of the wire of the innermost one of the winding layers is smaller than a wire cross-sectional area of the wire of the outermost one of the winding layers.Type: ApplicationFiled: July 26, 2017Publication date: May 31, 2018Inventors: Hong-Cheng SHEU, Hsing-Cheng LIN, Chia-Hsing CHIEN
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Patent number: 9641058Abstract: A linear motor includes a case, a magnet assembly and a coil assembly. The case is disposed along a first direction. The magnet assembly includes at least two first magnets, among which the first magnets are disposed corresponding to and between two first magnetic yokes, respectively. The coil assembly includes a winding coil having an exposed portion, among which the exposed portion is extended along a second direction and disposed between the two first magnetic yokes, and the exposed portion is at least partially overlapped with the two first magnets in a third direction. As a result, the coil assembly and the case are driven to reciprocate along the first direction by the winding coil due to the magnetic force, thereby solving the magnetic disturbing issue, enhancing the driving force of the linear motor, and optimizing the mechanical rigidity.Type: GrantFiled: January 23, 2014Date of Patent: May 2, 2017Assignee: DELTA ELECTRONICS, INC.Inventors: Ching-Hsiung Tsai, Hong-Cheng Sheu, Chi-Wen Chung, En-Yi Chu
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Patent number: 9579803Abstract: A rotary motor includes a rotor and at least one stator. The rotor has a shaft. The stator has an iron core and a coil wound around the iron core. A cross section of the iron core perpendicular to the shaft has a long axis and a short axis, and the rotor is disposed on an extension line of the long axis.Type: GrantFiled: March 25, 2014Date of Patent: February 28, 2017Assignee: DELTA ELECTRONICS, INC.Inventors: Ching-Hsiung Tsai, Hong-Cheng Sheu, Chi-Wen Chung
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Patent number: 9397528Abstract: A shaft linear motor includes an armature portion, a magnetic way and a sealing resin. The armature portion includes a frame, two ribs and a bobbin. The frame is formed with a receiving space therein. The two ribs are disposed on an inner wall of the frame. The ribs are respectively formed with a sectional surface. The bobbin is disposed in the receiving space and formed with an axially penetrated hole. The magnetic way is linearly and movably disposed in the axially penetrated hole. The sealing resin is fully filled in the receiving space for wrapping the inner wall of the frame and the sectional surfaces.Type: GrantFiled: June 18, 2013Date of Patent: July 19, 2016Assignee: DELTA ELECTRONICS, INC.Inventors: Hong-Cheng Sheu, Chi-Wen Chung, Chi-Shin Chuang, En-Yi Chu
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Patent number: 9207022Abstract: A cooling jacket for cooling an electric motor is provided. The cooling jacket has one or more than one wave-shaped pipe, covering the electric motor, for conducting working fluid, wherein each wave-shaped pipe has a forwarding portion and a reversed portion, parallel to the axis of the electric motor, for conducting the working fluid to flow in opposite directions, wherein the forwarding portion includes at least two forwarding sub-pipes, and the reversed portion includes at least two reversed sub-pipes; and a turning portion, connected between the forwarding portion and the reversed portion.Type: GrantFiled: November 20, 2012Date of Patent: December 8, 2015Assignee: Delta Electronics, Inc.Inventors: Hong-Cheng Sheu, Hung-Chi Lo
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Publication number: 20150180322Abstract: A linear motor includes a case, a magnet assembly and a coil assembly. The case is disposed along a first direction. The magnet assembly includes at least two first magnets, among which the first magnets are disposed corresponding to and between two first magnetic yokes, respectively. The coil assembly includes a winding coil having an exposed portion, among which the exposed portion is extended along a second direction and disposed between the two first magnetic yokes, and the exposed portion is at least partially overlapped with the two first magnets in a third direction. As a result, the coil assembly and the case are driven to reciprocate along the first direction by the winding coil due to the magnetic force, thereby solving the magnetic disturbing issue, enhancing the driving force of the linear motor, and optimizing the mechanical rigidity.Type: ApplicationFiled: January 23, 2014Publication date: June 25, 2015Applicant: DELTA ELECTRONICS, INC.Inventors: Ching-Hsiung Tsai, Hong-Cheng Sheu, Chi-Wen Chung, En-Yi Chu
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Patent number: 9013082Abstract: A rotating machine is provided, including a rotor and a stator set. The rotor rotates around an axis, wherein the rotor includes a first permanent magnet set and a second permanent magnet set, the first permanent magnet set is magnetized in a circumference direction of the axis, and the second permanent magnet set is magnetized in an axial direction of the axis. The stator set corresponds to the rotor, wherein the stator set includes a radial stator member and an axial stator member, the axial stator member corresponds to the rotor in the axial direction of the axis, and the radial stator member corresponds to the rotor in a radial direction of the axis.Type: GrantFiled: September 20, 2011Date of Patent: April 21, 2015Assignee: Delta Electronics, Inc.Inventors: Xiao Ge, Jian-Ping Ying, Hong-Cheng Sheu, Hongliu Zhu
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Publication number: 20150102695Abstract: An electric machine includes a stator core, a rotor core, a shaft and at least one pair of magnets. The stator core surrounds the stator core. The rotor core enfolds the shaft and includes at least one groove. The groove includes a pair of sub-grooves. The sub-grooves define an angle ? therebetween. The angle ? satisfies: ?<180°. The magnets are respectively accommodated in the sub-grooves of the groove.Type: ApplicationFiled: July 14, 2014Publication date: April 16, 2015Inventors: Shi-Xiang ZHANG, Sheng-Chuan ZHANG, Hong-Cheng SHEU
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Publication number: 20150091681Abstract: A permanent magnetic coupling device includes an conductor rotor, an permanent magnet rotor and permanent magnets. The permanent magnet rotor includes a magnetic ring. The magnetic ring includes protrusions and recesses arranged alternately, in which first airflow channels are formed between the protrusions and the conductor rotor respectively, and second airflow channels are formed between the recesses and the conductor rotor respectively. A cross-sectional area of each of the second airflow channels is greater than a cross-sectional area of each of the first airflow channels. The permanent magnet rotor further includes cavities disposed at the recesses, and the permanent magnets are engaged into the cavities respectively.Type: ApplicationFiled: August 15, 2014Publication date: April 2, 2015Inventors: Hong-Liu ZHU, Tsu-Hua AI, Hong-Cheng SHEU
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Publication number: 20150069872Abstract: A cylindrical permanent magnetic coupling device includes a conductor rotor and a permanent magnet rotor. The conductor rotor includes a bottom and a sidewall surrounding the bottom for defining a cavity, in which the cavity includes at least two different inner diameters. The permanent magnet rotor is arranged in the cavity for providing at least two different air gaps between the conductor rotor and the permanent magnet rotor.Type: ApplicationFiled: August 1, 2014Publication date: March 12, 2015Inventors: Hong-Liu ZHU, Tsu-Hua AI, Hong-Cheng SHEU
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Publication number: 20140305246Abstract: A rotary motor includes a rotor and at least one stator. The rotor has a shaft. The stator has an iron core and a coil wound around the iron core. A cross section of the iron core perpendicular to the shaft has a long axis and a short axis, and the rotor is disposed on an extension line of the long axis.Type: ApplicationFiled: March 25, 2014Publication date: October 16, 2014Applicant: DELTA ELECTRONICS, INC.Inventors: CHING-HSIUNG TSAI, HONG-CHENG SHEU, CHI-WEN CHUNG
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Publication number: 20140300214Abstract: A shaft linear motor includes an armature portion, a magnetic way and a sealing resin. The armature portion includes a frame, two ribs and a bobbin. The frame is formed with a receiving space therein. The two ribs are disposed on an inner wall of the frame. The ribs are respectively formed with a sectional surface. The bobbin is disposed in the receiving space and formed with an axially penetrated hole. The magnetic way is linearly and movably disposed in the axially penetrated hole. The sealing resin is fully filled in the receiving space for wrapping the inner wall of the frame and the sectional surfaces.Type: ApplicationFiled: June 18, 2013Publication date: October 9, 2014Inventors: Hong-Cheng SHEU, Chi-Wen CHUNG, Chi-Shin CHUANG, En-Yi CHU