Patents by Inventor Gao Gong

Gao Gong 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).

  • Patent number: 12345294
    Abstract: The present disclosure relates to a stator of a magnetic levitation bearing, a magnetic levitation bearing, and a compressor. The stator of the magnetic levitation bearing includes a stator core (4), a stator coil (5) wound around the stator core (4), a housing (2) sleeved outside the stator core (4) and having a clearance fit or a transition fit with the stator core (4), and a potting component (3) filled between the housing (2) and the stator core (4).
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: July 1, 2025
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Weilin Guo, Fang Zhang, Gao Gong, Chao Zhang, Xin Li, Hao Liang
  • Publication number: 20250188990
    Abstract: A magnetic bearing, a compressor and an air conditioner. The magnetic bearing comprises: an axial iron core, permanent magnets, a magnetic conductive ring and a magnetic steel fixing frame; the permanent magnets comprise a first permanent magnet located on one axial side of the magnetic conductive ring and a second permanent magnet located on the other axial side of the magnetic conductive ring; the first permanent magnet is located between the magnetic conductive ring and the axial iron core and is connected to the magnetic conductive ring and the axial iron core; the second permanent magnet is located between the magnetic conductive ring and the axial iron core and is connected to the magnetic conductive ring and the axial iron core. The magnetic steel fixing frame can fix and support the radial inner sides of the permanent magnets.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 12, 2025
    Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Gao GONG, Fei WANG, Rui WU
  • Publication number: 20250163962
    Abstract: Disclosed are a magnetic bearing and a compressor. The magnetic bearing comprises a first axial iron core and a radial iron core, wherein the first axial iron core has a first accommodating space, in which an annular positioning boss is arranged; the annular positioning boss has an axial positioning surface and a radial positioning surface; and a magnetic conductive ring is arranged in the first accommodating space, the magnetic conductive ring can be connected to both the axial positioning surface and the radial positioning surface in a fitting manner to achieve positioning of the magnetic conductive ring in both an axial direction and a radial direction of the first axial iron core, and the magnetic conductive ring is sleeved on an outer circumferential wall of the radial iron core.
    Type: Application
    Filed: December 21, 2022
    Publication date: May 22, 2025
    Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Yusheng HU, Weilin GUO, Gao GONG
  • Patent number: 12294241
    Abstract: The present disclosure provides a stator core, a magnetic levitation bearing, and a motor. The stator core is used in the magnetic levitation bearing and includes an annual yoke. The annular yoke has an inner circumferential wall and an outer circumferential wall, a plurality of pole pillars are disposed on the inner circumferential wall, and each of the plurality of pole pillars extends towards an axis of the inner circumferential wall, there is a distance D between an axis of the outer circumferential wall and the axis of the inner circumferential wall, and D?0 is satisfied. According to the stator core, the magnetic levitation bearing, and the motor of the present disclosure, the stator core has a non-centrosymmetric structure, so that a cross-sectional area of a magnetic path in some region of the stator core is increased, which is beneficial to an improvement of an output force of the magnetic levitation bearing.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: May 6, 2025
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Weilin Guo, Gao Gong, Fang Zhang, Xin Li, Zhehao Deng, Jianhui Wang
  • Patent number: 12152634
    Abstract: A radial stator includes a stator core, and the stator core includes a stator outer ring. M magnetic poles are arranged on an inner circumferential wall of the stator outer ring, and are evenly distributed along the inner circumferential wall of the stator outer ring. The M magnetic poles include M1 magnetic poles arranged along the inner circumferential wall of the stator outer ring and M2 magnetic poles arranged along the inner circumferential wall of the stator outer ring; M?2, M1?1, and M2?1; the M1 magnetic poles and the M2 magnetic poles are arranged on two sides of the stator outer ring with respect to a radial direction thereof, respectively; each of the M1 magnetic poles is provided with a first winding; and each of the M2 magnetic poles is provided with a second winding; and a coil turn N1 of the first winding is greater or less than a coil turn N2 of the second winding.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: November 26, 2024
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Dunying Zhong, Gao Gong, Xin Li, Mingxing Deng, Jianhui Wang, Jiajia Liu
  • Patent number: 11905994
    Abstract: Disclosed are a magnetic bearing, a compressor and an air conditioner. The magnetic bearing includes a radial stator, wherein the radial stator has a plurality of stator teeth extending inwardly in a radial direction thereof; two axial stators are arranged on two axial sides of the stator teeth, respectively; and radial control coils are wound on the stator teeth, each radial control coil being located outside an area of the stator teeth covered oppositely by the two axial stators. The magnetic bearing, the compressor and the air conditioner can effectively reduce the degree of coupling between a radial electromagnetic control magnetic circuit and an axial electromagnetic control magnetic circuit, and reduce the control difficulty of the magnetic bearing.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: February 20, 2024
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Mingzhu Dong, Yusheng Hu, Bin Chen, Xiaobo Zhang, Fang Zhang, Gao Gong, Chao Zhang, Mingxing Deng
  • Patent number: 11855519
    Abstract: The present disclosure provides a magnetic suspension bearing stator, a compressor and an air conditioner. The bearing stator includes a frame, a bearing iron core and an axial winding, the frame is provided with an accommodation recess used to position the axial winding. A position-limiting portion is disposed in the accommodation recess, and the position-limiting portion is used to keep the axial winding in the accommodation recess. The frame is provided with a first positioning portion for connecting with the bearing iron core on the outer wall surfaces of both sides of the accommodation recess. The frame is not easy to come out from the bearing core, and the axial winding is not easy to come out from the frame, so that the relative position between the axial winding and the bearing iron core is fixed.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: December 26, 2023
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Chao Zhang, Fang Zhang, Gao Gong, Jiuzhan Su, Xin Li, Ruhao Dong, Mingxing Deng, Penghui Liu, Fei Wang, Rui Wu, Weijie Zhao, Zhitao Wei, Jianhui Wang, Dunying Zhong, Zhanqin Liu
  • Publication number: 20230352991
    Abstract: The present disclosure provides a stator core, a magnetic levitation bearing, and a motor. The stator core is used in the magnetic levitation bearing and includes an annual yoke. The annular yoke has an inner circumferential wall and an outer circumferential wall, a plurality of pole pillars are disposed on the inner circumferential wall, and each of the plurality of pole pillars extends towards an axis of the inner circumferential wall, there is a distance D between an axis of the outer circumferential wall and the axis of the inner circumferential wall, and D?0 is satisfied. According to the stator core, the magnetic levitation bearing, and the motor of the present disclosure, the stator core has a non-centrosymmetric structure, so that a cross-sectional area of a magnetic path in some region of the stator core is increased, which is beneficial to an improvement of an output force of the magnetic levitation bearing.
    Type: Application
    Filed: January 23, 2023
    Publication date: November 2, 2023
    Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Weilin GUO, Gao GONG, Fang ZHANG, Xin LI, Zhehao DENG, Jianhui WANG
  • Publication number: 20230340993
    Abstract: The present disclosure relates to a stator of a magnetic levitation bearing, a magnetic levitation bearing, and a compressor. The stator of the magnetic levitation bearing includes a stator core (4), a stator coil (5) wound around the stator core (4), a housing (2) sleeved outside the stator core (4) and having a clearance fit or a transition fit with the stator core (4), and a potting component (3) filled between the housing (2) and the stator core (4).
    Type: Application
    Filed: April 30, 2021
    Publication date: October 26, 2023
    Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Weilin GUO, Fang ZHANG, Gao GONG, Chao ZHANG, Xin LI, Hao LIANG
  • Publication number: 20230235784
    Abstract: A radial stator includes a stator core, and the stator core includes a stator outer ring. M magnetic poles are arranged on an inner circumferential wall of the stator outer ring, and are evenly distributed along the inner circumferential wall of the stator outer ring. The M magnetic poles include M1 magnetic poles arranged along the inner circumferential wall of the stator outer ring and M2 magnetic poles arranged along the inner circumferential wall of the stator outer ring; M?2, M1?1, and M2?1; the M1 magnetic poles and the M2 magnetic poles are arranged on two sides of the stator outer ring with respect to a radial direction thereof, respectively; each of the M1 magnetic poles is provided with a first winding; and each of the M2 magnetic poles is provided with a second winding; and a coil turn N1 of the first winding is greater or less than a coil turn N2 of the second winding.
    Type: Application
    Filed: May 11, 2021
    Publication date: July 27, 2023
    Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Dunying ZHONG, Gao GONG, Xin LI, Mingxing DENG, Jianhui WANG, Jiajia LIU
  • Publication number: 20230155429
    Abstract: The present disclosure provides a stator core, a magnetic levitation bearing, and a motor. The stator core is used in the magnetic levitation bearing and includes an annual yoke. The annular yoke has an inner circumferential wall and an outer circumferential wall, a plurality of pole pillars are disposed on the inner circumferential wall, and each of the plurality of pole pillars extends towards an axis of the inner circumferential wall, there is a distance D between an axis of the outer circumferential wall and the axis of the inner circumferential wall, and D?0 is satisfied. According to the stator core, the magnetic levitation bearing, and the motor of the present disclosure, the stator core has a non-centrosymmetric structure, so that a cross-sectional area of a magnetic path in some region of the stator core is increased, which is beneficial to an improvement of an output force of the magnetic levitation bearing.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 18, 2023
    Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Weilin GUO, Gao GONG, Fang ZHANG, Xin LI, Zhehao DENG, Jianhui WANG
  • Publication number: 20220333644
    Abstract: Disclosed are a magnetic bearing, a compressor and an air conditioner. The magnetic bearing includes a radial stator, where the radial stator has a plurality of stator teeth extending inwardly in a radial direction thereof; two axial stators are arranged on two axial sides of the stator teeth, respectively; and radial control coils are wound on the stator teeth, the radial control coil being located outside an area of the stator teeth covered oppositely by the two axial stators. The magnetic bearing, the compressor and the air conditioner can effectively reduce the degree of coupling between a radial electromagnetic control magnetic circuit and an axial electromagnetic control magnetic circuit, and reduce the control difficulty of the magnetic bearing.
    Type: Application
    Filed: August 24, 2020
    Publication date: October 20, 2022
    Inventors: Mingzhu Dong, Yusheng Hu, Bin Chen, Xiaobo Zhang, Fang Zhang, Gao Gong, Chao Zhang, Mingxing Deng
  • Patent number: 11466731
    Abstract: Magnetic levitation bearing structure includes a cylinder body, a rotating shaft, a motor stator, a motor rotor, an axial bearing, a radial bearing and a displacement sensing device; the displacement sensing device, the axial bearing stator, and the radial bearing stator are directly fixed on an inner wall of the cylinder body.
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: October 11, 2022
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Penghui Liu, Xiaobo Zhang, Fang Zhang, Gao Gong, Chao Zhang, Jiuzhan Su, Xin Li, Ruhao Dong, Mingxing Deng, Fei Wang
  • Patent number: 11323007
    Abstract: A magnetic levitation bearing, a magnetic levitation rotor support assembly, and a compressor. The magnetic levitation bearing is used for supporting a rotor by interacting with a thrust disc on the rotor, and comprises: a radial stator core having an annular structure, which is disposed on a radial outer side of the thrust disc and corresponds to the thrust disc in an axial direction of the rotor, the radial stator core and the thrust disc being separated by a first radial gap X1; and a radial control coil, which is disposed on the radial stator core and can generate a radial electromagnetic force to the thrust disc in a radial direction of the rotor.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: May 3, 2022
    Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Xiaobo Zhang, Gao Gong, Yusheng Hu, Jianning Liu, Fang Zhang, Siyuan Tian, Chao Zhang, Jiuzhan Su, Xin Li
  • Patent number: 11174898
    Abstract: The present disclosure provides a wiring structure of a magnetic suspension bearing, a compressor and an air conditioner. The wiring structure of a magnetic suspension bearing, for electrically connect a control coil of the magnetic suspension bearing with an external power source, includes a circuit board; wherein the number of the magnetic suspension bearing is two or more, and the control coils of the two or more magnetic suspension bearings are all configured to electrically connect to the circuit board, and the circuit board is configured to connect to the external power source. The present disclosure has the advantages of reasonable design, simple structure, implementation of integrating wiring of multiple magnetic suspension bearings, simplification of wiring work, improvement of production efficiency, and improvement of wiring reliability.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 16, 2021
    Assignee: Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    Inventors: Xin Li, Yusheng Hu, Xiaobo Zhang, Jianning Liu, Fang Zhang, Gao Gong, Siyuan Tian, Chao Zhang, Jiuzhan Su, Ruhao Dong
  • Publication number: 20210341016
    Abstract: Magnetic levitation bearing structure includes a cylinder body, a rotating shaft, a motor stator, a motor rotor, an axial bearing, a radial bearing and a displacement sensing device; the displacement sensing device, the axial bearing stator, and the radial bearing stator are directly fixed on an inner wall of the cylinder body.
    Type: Application
    Filed: September 2, 2019
    Publication date: November 4, 2021
    Inventors: Penghui LIU, Xiaobo ZHANG, Fang ZHANG, Gao GONG, Chao ZHANG, Jiuzhan SU, Xin LI, Ruhao DONG, Mingxing DENG, Fei WANG
  • Publication number: 20210265894
    Abstract: The present disclosure provides a magnetic suspension bearing stator, a compressor and an air conditioner. The bearing stator includes a frame, a bearing iron core and an axial winding, the frame is provided with an accommodation recess used to position the axial winding. A position-limiting portion is disposed in the accommodation recess, and the position-limiting portion is used to keep the axial winding in the accommodation recess. The frame is provided with a first positioning portion for connecting with the bearing iron core on the outer wall surfaces of both sides of the accommodation recess. The frame is not easy to come out from the bearing core, and the axial winding is not easy to come out from the frame, so that the relative position between the axial winding and the bearing iron core is fixed.
    Type: Application
    Filed: May 13, 2021
    Publication date: August 26, 2021
    Inventors: Chao ZHANG, Fang ZHANG, Gao GONG, Jiuzhan SU, Xin LI, Ruhao DONG, Mingxing DENG, Penghui LIU, Fei WANG, Rui WU, Weijie ZHAO, Zhitao WEI, Jianhui WANG, Dunying ZHONG, Zhanqin LIU
  • Publication number: 20210156425
    Abstract: The present disclosure provides a wiring structure of a magnetic suspension bearing, a compressor and an air conditioner. The wiring structure of a magnetic suspension bearing, for electrically connect a control coil of the magnetic suspension bearing with an external power source, includes a circuit board; wherein the number of the magnetic suspension bearing is two or more, and the control coils of the two or more magnetic suspension bearings are all configured to electrically connect to the circuit board, and the circuit board is configured to connect to the external power source. The present disclosure has the advantages of reasonable design, simple structure, implementation of integrating wiring of multiple magnetic suspension bearings, simplification of wiring work, improvement of production efficiency, and improvement of wiring reliability.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 27, 2021
    Inventors: Xin Li, Yusheng Hu, Xiaobo Zhang, Jianning Liu, Fang Zhang, Gao Gong, Siyuan Tian, Chao Zhang, Jiuzhan Su, Ruhao Dong
  • Patent number: 10851835
    Abstract: The present disclosure relates to a stator assembly of a magnetic suspension bearing and a manufacturing method, wherein the stator assembly includes stator cores, coils and two stator core frames, two of the stator core frames being respectively engaged at both ends of the stator core along an axial direction thereof, wherein a concave portion is provided at an engaged end of one of the stator core frames, and a convex portion is provided at an engaged end of the other of the stator core frames, the concave portion and the convex portion are engaged with each other, and each of the coils is wound correspondingly to teeth of the stator cores.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: December 1, 2020
    Assignee: Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    Inventors: Fang Zhang, Jianning Liu, Jinxin Jia, Xiaobo Zhang, Chengbao Zhong, Siyuan Tian, Gao Gong, Guanghai Li, Changguang Guo
  • Patent number: 10767692
    Abstract: A magnetic levitation bearing assembly, including: a magnetic levitation bearing, a shell, and a working clearance adjusting device; the magnetic levitation bearing includes a first iron core, a second iron core and a thrust disk; the working clearance adjusting device is arranged between a radial inner periphery of the shell and the thrust disk along the radial direction, and between the shell and the second iron core along the axial direction; an axial end of the working clearance adjusting device is abutted against the second iron core, a void gap is provided between the shell and the second iron core, an adjustment on the magnetic levitation bearing working clearance is made possible by altering the length between two axial ends of the working clearance adjusting device, such that the working clearance is consistent with a design value.
    Type: Grant
    Filed: January 22, 2017
    Date of Patent: September 8, 2020
    Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Gao Gong, Yusheng Hu, Xiaobo Zhang, Jianning Liu, Fang Zhang, Siyuan Tian, Jinxin Jia, Changguang Guo, Guanghai Li, Qiong Wei