Patents by Inventor Bozhi Yang

Bozhi 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).

  • Patent number: 11973205
    Abstract: An energy storage system includes an energy storage component. It further includes heat generating electronics. It further includes a fluid circulator that transfers fluid between the energy storage component and the heat generating electronics. The circulator is controlled to alternatively transfer fluid from the battery to the heat generating electronics or from the heat generating electronics to the energy storage component based at least in part on a thermal state of the energy storage system.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: April 30, 2024
    Assignee: Lunar Energy, Inc.
    Inventors: Bozhi Yang, Tanner Bruce DeVoe, Tahina Christine Felisca, Kevin Richard Fine, Mark Daniel Goldman, Mark Holveck, Erica Viola Lewis, Conrad Xavier Murphy, Ian Gregory Spearing
  • Publication number: 20240120143
    Abstract: In various embodiments, an inductor thermal management system includes an inductor, and a heat sink. The heat sink includes a cavity and a spacer adapted to situate the inductor within the cavity and separate the inductor from at least one wall of the cavity such that heat is transferred from the inductor into the heat sink multi-directionally.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 11, 2024
    Inventors: Charles Ingalz, Gargi Kailkhura, Mark Daniel Goldman, Bozhi Yang, Christopher McCarthy, Peter H.J. How, Xu She
  • Patent number: 11889662
    Abstract: A thermal interface sandwich is disclosed, including: a thermally conductive solid with a first surface and a second surface; a first thermal interface that is applied to the first surface of the thermally conductive solid; and a second thermal interface that is applied to the second surface of the thermally conductive solid.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: January 30, 2024
    Assignee: Lunar Energy, Inc.
    Inventors: Bozhi Yang, Charles Ingalz
  • Publication number: 20230395447
    Abstract: Embodiments of a transistor package construction is disclosed, including: a transistor comprising: a source; and a drain; and a package comprising: a metallic back surface that is electrically connected to the drain; a top surface comprising a notch; and a thermally conductive and electrically insulating layer covering at least a portion of the metallic back surface of the package.
    Type: Application
    Filed: June 5, 2023
    Publication date: December 7, 2023
    Inventors: Charles Ingalz, Bozhi Yang
  • Patent number: 11780287
    Abstract: A thermal management system includes a refrigerant loop, a battery coolant loop, and a motor coolant loop. The refrigerant loop includes a compressor selectively communicating with at least two of a condenser, an evaporator, and a heat exchanger. The battery coolant loop includes a first bypass path connected to the heat exchanger. The motor coolant loop includes a second bypass path connected to the radiator. A valve package includes ten outer ports and eight inner channels. Three outer ports connect to the heat exchanger, one of which is connected to the first bypass path. Two outer ports connect to the power supply system. Two outer ports connect to the powertrain system. Three outer ports connect to the radiator, one of which is connected to the second bypass path. Eight of the ten outer ports selectively communicate with four of the eight inner channels.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: October 10, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Xiaohui Li, Qin Yang, Bozhi Yang
  • Patent number: 11721854
    Abstract: A battery thermal management system and method are provided. The system includes: a battery, a battery thermal exchange structure, a pump, at least one first valve and one or more thermal adjustment components, wherein the battery thermal exchange structure includes a thermal exchange channel passing through the battery, and has a first port and a second port; a first coolant circulation loop is formed via connecting the pump and the battery thermal exchange structure, and a second coolant circulation loop is formed via connecting the pump, the battery thermal exchange structure and the one or more thermal adjustment components; the first valve is set at each or one of two joint locations between the first coolant circulation loop and the second coolant circulation loop and is configured to direct coolant flowing through the first valve into either the first coolant circulation loop or the second coolant circulation loop.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: August 8, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Xiaohui Li, Bozhi Yang, Qin Yang, Meng Yao
  • Patent number: 11679691
    Abstract: A battery heating device of an electric vehicle, a battery heat adjustment method, a storage medium, and an electronic device are provided. The device includes a battery heating circuit, an engine cooling circuit and a three-way valve. The three-way valve connects the battery heating circuit and the engine cooling circuit to mix a first liquid in the engine cooling circuit and a second liquid in the battery heating circuit, and transmits a mixed liquid to the battery heating circuit to heat a battery in the battery heating circuit. By means of the disclosure, the problems of large overall weight and packaging space of a system caused by the use of a heat exchanger and high manufacturing cost in a conventional art are solved, the overall weight and packaging space of the system are reduced, additional components are reduced, and the cost is reduced.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: June 20, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Qin Yang, Meng Yao, Bozhi Yang, Xiaohui Li, Yifeng Lin, Zihui Ma
  • Patent number: 11626627
    Abstract: A method and system for preventing battery thermal runaway are provided. The method includes: detecting or predicting whether there is a thermal runaway risk for each battery cell or battery module of a battery pack; and in response to detecting or predicting that there is a thermal runaway risk for at least one battery cell or battery module of the battery pack, transferring battery energy of the at least one battery cell or battery module to the battery pack or another battery pack as thermal energy or electric energy.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: April 11, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Xiaohui Li, Bozhi Yang, Chen Zhang, Ruiming Zhu
  • Patent number: 11609274
    Abstract: A vehicle-mounted device for detecting battery state comprises a controller, a load unit, and a switch unit. The load unit is coupled to the battery, the switch unit is coupled between the battery and the load unit. The controller can control the switch unit to disconnect or connect the battery and the load unit at a predefined frequency. The controller can switch the load unit to generate ripple voltage on the battery, and measure the ripple voltage of each battery cell, an abnormal state of a battery can be determined according to the ripple voltage of each battery cell.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: March 21, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Chen Zhang, Meng Yao, Meng Wang, Xiaohui Li, Bozhi Yang
  • Publication number: 20230083678
    Abstract: An energy storage assembly includes a vertical stack of substantially planar modules. Each module comprises a plurality of energy storage components and a thermally conductive shell comprising a shell top, a shell bottom, shell sides, a shell front, and a shell rear.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 16, 2023
    Inventors: Mark Daniel Goldman, Kevin Richard Fine, Tanner Bruce DeVoe, Ian Gregory Spearing, Conrad Xavier Murphy, Erica Viola Lewis, Tahina Christine Felisca, Bozhi Yang, Mark Holveck
  • Publication number: 20230082249
    Abstract: An energy storage system includes an energy storage component. It further includes heat generating electronics. It further includes a fluid circulator that transfers fluid between the energy storage component and the heat generating electronics. The circulator is controlled to alternatively transfer fluid from the battery to the heat generating electronics or from the heat generating electronics to the energy storage component based at least in part on a thermal state of the energy storage system.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 16, 2023
    Inventors: Mark Daniel Goldman, Kevin Richard Fine, Tanner Bruce DeVoe, Ian Gregory Spearing, Conrad Xavier Murphy, Erica Viola Lewis, Tahina Christine Felisca, Bozhi Yang, Mark Holveck
  • Patent number: 11588194
    Abstract: Provided in embodiments of the disclosure are a battery heat adjustment circuit and method, a storage medium and an electronic device. The circuit includes a battery pack, the battery pack including at least two battery blocks, and each battery block including one or more battery cells; a first controller, respectively connected to partial battery blocks included in the battery pack, and configured to detect a state of partial battery blocks included in the battery pack and control, based on a state detection result, partial battery blocks included in the battery pack to discharge; and a heat adjustment loop, connected to the first controller, and configured to respectively adjust, by using electric energy released by partial battery blocks included in the battery pack, heat of partial battery blocks included in the battery pack. By means of the disclosure, the problems that heating and heat balance of zones in the battery may not be simultaneously solved in the relevant art is solved.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: February 21, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Jiarui Liu, Bozhi Yang, Xiaohui Li
  • Publication number: 20230015814
    Abstract: A vehicle-mounted device for detecting battery state comprises a controller, a load unit, and a switch unit. The load unit is coupled to the battery, the switch unit is coupled between the battery and the load unit. The controller can control the switch unit to disconnect or connect the battery and the load unit at a predefined frequency. The controller can switch the load unit to generate ripple voltage on the battery, and measure the ripple voltage of each battery cell, an abnormal state of a battery can be determined according to the ripple voltage of each battery cell.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 19, 2023
    Inventors: Chen ZHANG, Meng YAO, Meng WANG, Xiaohui LI, Bozhi YANG
  • Publication number: 20230008384
    Abstract: A method of detecting safe and other states of battery while electric vehicle is being driven controls an inverter to generate ripple current on the battery; ripple voltages of a plurality of battery cells are measured, voltage phase shifts between the battery cells are calculated. The battery can be analyzed as normal or otherwise according to the voltage phase shift between plurality of the battery cells. A vehicle-mounted device and a non-volatile storage medium therein, for performing the above-described method, are also disclosed.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 12, 2023
    Inventors: Chen ZHANG, Meng YAO, Xiaohui LI, Bozhi YANG, Meng WANG
  • Patent number: 11548349
    Abstract: A thermal management system includes a refrigerant loop, a motor coolant loop, and a battery coolant loop. The refrigerant loop includes a first refrigerant main-line, a second refrigerant main-line, a first refrigerant branch, and a second refrigerant branch. The first refrigerant main-line includes a compressor, the second refrigerant main-line includes a cabin condenser, the first refrigerant branch includes a cabin evaporator, the second refrigerant branch includes a radiator. The first refrigerant main-line and the second refrigerant main-line selectively communicate with one of the first and second refrigerant branches. The battery coolant loop includes a coolant main-line, a first coolant branch connected to the cabin evaporator, a second coolant branch connected to the cabin condenser, and a third coolant branch. The coolant main-line selectively communicates with at least one of the first to third coolant branches. The battery coolant loop connects to the motor coolant loop in series or in parallel.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: January 10, 2023
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Xiaohui Li, Qin Yang, Bozhi Yang, Meng Yao, Chen Zhang, Meng Wang
  • Publication number: 20220410653
    Abstract: A thermal management system includes a refrigerant loop, a battery coolant loop, and a motor coolant loop. The refrigerant loop includes a compressor selectively communicating with at least two of a condenser, an evaporator, and a heat exchanger. The battery coolant loop includes a first bypass path connected to the heat exchanger. The motor coolant loop includes a second bypass path connected to the radiator. A valve package includes ten outer ports and eight inner channels. Three outer ports connect to the heat exchanger, one of which being connected to the first bypass path. Two outer ports connect to the power supply system. Two outer ports connect to the powertrain system. Three outer ports connect to the radiator, one of which being connected to the second bypass path. Eight of the ten outer ports selectively communicate with four of the eight inner channels.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 29, 2022
    Inventors: Xiaohui LI, Qin YANG, Bozhi YANG
  • Publication number: 20220388368
    Abstract: A thermal management system includes a refrigerant loop, a motor coolant loop, and a battery coolant loop. The refrigerant loop includes a first refrigerant main-line, a second refrigerant main-line, a first refrigerant branch, and a second refrigerant branch. The first refrigerant main-line includes a compressor, the second refrigerant main-line includes a cabin condenser, the first refrigerant branch includes a cabin evaporator, the second refrigerant branch includes a radiator. The first refrigerant main-line and the second refrigerant main-line selectively communicate with one of the first and second refrigerant branches. The battery coolant loop includes a coolant main-line, a first coolant branch connected to the cabin evaporator, a second coolant branch connected to the cabin condenser, and a third coolant branch. The coolant main-line selectively communicates with at least one of the first to third coolant branches. The battery coolant loop connects to the motor coolant loop in series or in parallel.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 8, 2022
    Inventors: Xiaohui LI, Qin YANG, Bozhi YANG, Meng YAO, Chen ZHANG, Meng WANG
  • Patent number: 11502350
    Abstract: Provided is a battery heating system, a battery device and an electric vehicle. The battery heating system includes: a battery pack having multiple battery cells; a plurality of heating resistors, each heating resistor is connected to a corresponding battery cell and is configured to heat the connected battery cell; a switching circuit, which is connected to each battery cell and each heating resistor; a controller, which is connected to the switch circuit and is configured to select one or more battery cells for discharging and one or more battery cells to be heated from the plurality of battery cells according to the temperature and/or energy of each battery cell, and control switches in the switching circuit to switch on/off, so that the current of the one or more battery cells for discharging flows through the corresponding heating resistor to heat the one or more battery cells to be heated.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: November 15, 2022
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Meng Yao, Jiucai Zhang, Bozhi Yang, Qin Yang
  • Publication number: 20220093983
    Abstract: A method and system for preventing battery thermal runaway are provided. The method includes: detecting or predicting whether there is a thermal runaway risk for each battery cell or battery module of a battery pack; and in response to detecting or predicting that there is a thermal runaway risk for at least one battery cell or battery module of the battery pack, transferring battery energy of the at least one battery cell or battery module to the battery pack or another battery pack as thermal energy or electric energy.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 24, 2022
    Inventors: Xiaohui LI, Bozhi YANG, Chen ZHANG, Ruiming ZHU
  • Publication number: 20220085438
    Abstract: A battery thermal management system and method are provided. The system includes: a battery, a battery thermal exchange structure, a pump, at least one first valve and one or more thermal adjustment components, wherein the battery thermal exchange structure includes a thermal exchange channel passing through the battery, and has a first port and a second port; a first coolant circulation loop is formed via connecting the pump and the battery thermal exchange structure, and a second coolant circulation loop is formed via connecting the pump, the battery thermal exchange structure and the one or more thermal adjustment components; the first valve is set at each or one of two joint locations between the first coolant circulation loop and the second coolant circulation loop and is configured to direct coolant flowing through the first valve into either the first coolant circulation loop or the second coolant circulation loop.
    Type: Application
    Filed: September 16, 2020
    Publication date: March 17, 2022
    Inventors: Xiaohui LI, Bozhi YANG, Qin YANG, Meng YAO