Patents by Inventor Haijun Yang

Haijun Yang 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).

  • Publication number: 20250253086
    Abstract: A magnetic component includes a first housing, a second housing, a magnetic core assembly, a pin and a high-current carrier. The first housing is in a hollow structure and is provided with a first pin socket and a second pin socket. The second housing is snap-fitted with the first housing to form an installation space, and is provided with a first socket and a second socket. The magnetic core assembly is arranged in the installation space, the pin is connected with a leading wire of the magnetic core assembly, and the pin is arranged in the first pin socket or the second pin socket. The high-current carrier passes through the second housing, and includes a connection section for connecting to a circuit board, and the high-current carrier is arranged in the first socket or the second socket.
    Type: Application
    Filed: January 17, 2025
    Publication date: August 7, 2025
    Applicant: Delta Electronics (Shanghai) CO., LTD.
    Inventors: Haijun YANG, Chunmei WANG, Debao QUAN, Xiaoqiang YU
  • Patent number: 12334249
    Abstract: A magnetic component and a switch power supply device are disclosed. The magnetic component includes a magnetic core and at least three windings, the magnetic core including at least three winding columns, at least one side columns, a first cover plate and a second cover plate opposite to each other, wherein the at least three winding columns are sequentially arranged in adjacent, the first cover plate and the second cover plate are respectively at upper parts or lower parts of the at least three winding columns and the at least one side column to form a closed magnetic flux loop; the at least three windings are wound on the at least three winding columns, respectively; wherein magnetic flux direction of the middle winding column in adjacent three winding columns is opposite to magnetic fluxes direction of the other two winding columns in adjacent three winding columns.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: June 17, 2025
    Assignee: Delta Electronics, Inc.
    Inventors: Zengyi Lu, Tianding Hong, Haijun Yang, Jinfa Zhang
  • Publication number: 20250149228
    Abstract: The present disclosure discloses a magnetic element and a method of forming the same. The magnetic element includes a magnetic core including a magnetic column; a first electric conductor disposed on the magnetic column and including n conductive sheets, where n is an integer greater than or equal to 2, wherein the adjacent conductive sheets are fixed and formed in advance through an insulating material, each of the conductive sheets includes a main body part and a pin part extending outwardly from the main body part, and pin outlet directions of the pin parts of the adjacent conductive sheets form 360/n degrees; and a second electric conductor disposed on the magnetic column and interleaved with the first electric conductor along an axial direction of the magnetic column.
    Type: Application
    Filed: October 24, 2024
    Publication date: May 8, 2025
    Inventors: Haijun YANG, Lijun ZHOU, Xiaoqiang YU
  • Patent number: 12293870
    Abstract: A method for manufacturing a plastic article for a magnetic element, comprising: providing a first die core and a second die core opposite to each other along a first direction; providing a third die core adjacent to the first die core and the second die core along a second direction wherein the second direction is perpendicular to the first direction; providing at least one hole insert for forming a pin-fixing hole for fixing a lead-pin of a winding of the magnetic element, wherein the at least one hole insert is detachably mounted to at least one of the first die core, the second die core, and the third die core; and combining the first die core, the second die core, the third die core, and the at least one hole insert to form a mold with a cavity, wherein the cavity is injection molded to manufacture the plastic article.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: May 6, 2025
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Li Chen, Jiayou Ma, Haijun Yang
  • Publication number: 20250141363
    Abstract: The present disclosure provides a rectifier module and a transformer, the rectifier module includes a transformer and a rectifier board, the transformer includes: a magnetic core; a first winding; and a second winding, the magnetic core includes a magnetic column, the first winding is arranged on the magnetic column, and the second winding is arranged outside the first winding; comb-type pins are respectively arranged on opposite sides of the second winding, the comb-type pins are arranged along a first direction, and the comb-type pins include comb teeth and comb gaps; the rectifier board includes: a circuit board; and a plurality of switch element groups arranged along the first direction, the switch element group includes at least one switch element; along the second direction, the comb teeth are adjacent to the switch element; the first direction and the second direction are perpendicular to each other.
    Type: Application
    Filed: October 20, 2024
    Publication date: May 1, 2025
    Applicant: Delta Electronics (Shanghai) CO., LTD.
    Inventors: Yuesen GUO, Shiwei LIU, Jun ZHANG, Kai DONG, Haijun YANG, Jinfa ZHANG, Chang XU
  • Patent number: 12198842
    Abstract: The disclosure provides a magnetic assembly and a power supply apparatus. The magnetic assembly of the present disclosure includes: a first magnetic core, a plurality of windings, a housing and a second magnetic core, where the first magnetic core has a winding area, and the plurality of windings are wound with an interval on the winding area of the first magnetic core; the housing has an accommodating cavity, and at least part of the plurality of windings is accommodated in the accommodating cavity, and the second magnetic core is arranged between a cavity wall of the accommodating cavity and the plurality of windings. According to the present disclosure, parasitic parameters such as leakage inductance of the magnetic assembly are relatively stable, and the power supply efficiency is improved and higher.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: January 14, 2025
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Zengyi Lu, Haijun Yang, Shiwei Liu, Jinfa Zhang
  • Publication number: 20240360354
    Abstract: Provided by the present disclosure are a nanoemulsion and method for its preparation, and a high-temperature-resistant, high-density, oil-based well completion fluid and the application thereof. The nanoemulsion comprises a lipophilic alkenyl monomer, a hydrophilic alkenyl monomer, an emulsifier, a cross-linking agent, and water. The high-temperature-resistant, high-density, oil-based completion fluid comprises a base oil, a main emulsifier, an auxiliary emulsifier, an aqueous solution of salt, organic soil, an alkalinity regulator, a filtrate loss reducer, a stabilizer, and a weighting material. The stabilizer comprises the described nanoemulsion.
    Type: Application
    Filed: June 30, 2024
    Publication date: October 31, 2024
    Inventors: Lili YAN, Jianhua WANG, Jiaqi ZHANG, Fengbao LIU, Rongchao CHENG, Haijun YANG, Xiaobo CUI, Xiaoxiao NI, Rentong LIU, Shan GAO
  • Patent number: 12068674
    Abstract: An integrated inductor and a power conversion module including the integrated inductor are provided. The integrated inductor includes a magnetic core, the magnetic core including two cover plates, two side columns and two central columns between the two side columns, and two windings wound around the two central columns respectively, forming two inductors. Each operating current flowing through the two windings includes a corresponding high-frequency current component, a phase difference between the high-frequency current components of the operating currents flowing through the two windings is 180 degrees.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: August 20, 2024
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Haijun Yang, Zengyi Lu, Lijun Zhou
  • Publication number: 20240242881
    Abstract: An integrated magnetic element includes an base; a current sensor disposed on the base; and a transformer provided on the base through which the current sensor and the transformer are integrated into one part, the transformer including a magnetic core, a first winding comprising at least one wire, and a second winding, wherein a part of section of the one wire of the first winding passes through the current sensor, and current value of the part of section of the one wire is detected by the current sensor so as to obtain a total current value of the first winding of the transformer.
    Type: Application
    Filed: March 28, 2024
    Publication date: July 18, 2024
    Inventors: Xiaoxia SUN, Chunmei WANG, Jun SUN, Haijun YANG, Zengyi LU
  • Patent number: 11984255
    Abstract: An integrated magnetic element includes an accommodating part; a current sensor disposed on the accommodating part; and a transformer disposed on the accommodating part. The transformer includes a magnetic core, a first winding including a plurality of wires, and a second winding, wherein some of the plurality of wires passes through the current sensor to shunt and detect current flowing through the first winding, and current values of the wires are detected by the current sensor to obtain a total current value of the first winding of the transformer according to a shunt ratio by the winding construction of the preset transformer.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: May 14, 2024
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Xiaoxia Sun, Chunmei Wang, Jun Sun, Haijun Yang, Zengyi Lu
  • Patent number: 11961657
    Abstract: A multi-coil inductor includes a plurality of stacked inductor units. Each of the inductor units comprises: a magnetic core in which a magnetic path is formed; and a plurality of coils which are wound around the magnetic core to form at least one winding pair. Wherein a part of the magnetic path between the adjacent inductor units is shared. In the present invention, the leakage inductance is controlled and the may be magnetic saturation of magnetic core avoided by adjusting series and parallel connections among the coils.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: April 16, 2024
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Zengyi Lu, Haijun Yang, Shiwei Liu
  • Publication number: 20240071674
    Abstract: The present disclosure provides a magnetic component and a power module, relating to the technical field of power electronics; the magnetic component provided by the present disclosure includes: a first heat sink, a magnetic core extending in a transverse direction and a winding structure wound on the magnetic core, the winding structure includes at least a first coil and a second coil arranged adjacently along the transverse direction, a gap is provided between the first coil and the second coil, at least part of the first heat sink is arranged in the gap, the first heat sink is in thermal contact with the first coil, the second coil and the magnetic core.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 29, 2024
    Inventors: Shiwei LIU, Lei CHANG, Haijun YANG, Zengyi LU, Jinfa ZHANG
  • Publication number: 20240029940
    Abstract: The present disclosure provides a magnetic element and a manufacturing method thereof. The manufacturing method including steps of: (a) dividing a magnetic core into a first component and a second component, wherein the first and second components have two connecting surfaces on the split section respectively, and the first and second components have an inner and an outer surfaces; (b) disposing a flexible material on the inner surfaces of the first and second components respectively; (c) sleeving a coil on the first and second components; (d) connecting the two connecting surfaces of the first component to the two connecting surfaces of the second component to assemble the first and second components; (e) utilizing a thermal conduction glue to pot the magnetic element; and (f) curing and forming the thermal conduction glue after a curing time.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 25, 2024
    Inventors: Debao Quan, Jiamin Shi, Haijun Yang
  • Patent number: 11848128
    Abstract: The present disclosure provides a magnetic component and a power module, relating to the technical field of power electronics; the magnetic component provided by the present disclosure includes: a first heat sink, a magnetic core extending in a transverse direction and a winding structure wound on the magnetic core, the winding structure includes at least a first coil and a second coil arranged adjacently along the transverse direction, a gap is provided between the first coil and the second coil, at least part of the first heat sink is arranged in the gap, the first heat sink is in thermal contact with the first coil, the second coil and the magnetic core.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: December 19, 2023
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Shiwei Liu, Lei Chang, Haijun Yang, Zengyi Lu, Jinfa Zhang
  • Patent number: D1019794
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 26, 2024
    Inventor: Haijun Yang
  • Patent number: D1020985
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: April 2, 2024
    Assignee: SENWATER TECH. (SHANGHAI) CO., LTD.
    Inventor: Haijun Yang
  • Patent number: D1034898
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: July 9, 2024
    Assignee: SENWATER TECH. (SHANGHAI) CO., LTD.
    Inventor: Haijun Yang
  • Patent number: D1043108
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: September 24, 2024
    Inventor: Haijun Yang
  • Patent number: D1062233
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: February 18, 2025
    Inventor: Haijun Yang
  • Patent number: D1080203
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: June 24, 2025
    Inventor: Haijun Yang