Patents by Inventor Xiaofeng Yang
Xiaofeng 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).
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Patent number: 12640608Abstract: A radial flux electric motor includes a stator having a radially inner stator surface and a rotor mounted inside the stator. The rotor defines a rotational axis and has axially opposite rotor ends and a radially outer rotor surface positioned proximate the radially inner stator surface, thereby establishing an airgap therebetween. The rotor also includes a fluid circulation arrangement having at least one fluid channel extending through the rotor to the radially outer rotor surface and configured to receive a liquid via a first passage and a gas via at least one second passage. The fluid circulation arrangement is also configured to direct the liquid and the gas, via centrifugal force, into the airgap as the rotor rotates inside the stator sufficiently to discharge the liquid and the gas out of the airgap at the axially opposite ends of the rotor, thereby cooling the electric motor.Type: GrantFiled: September 26, 2023Date of Patent: May 26, 2026Assignee: GM Global Technology Operations LLCInventors: Xiaofeng Yang, Peng Peng, Farzad Samie
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Patent number: 12575303Abstract: An organic light-emitting display panel and a manufacturing method therefor, and a display device are provided.Type: GrantFiled: July 5, 2021Date of Patent: March 10, 2026Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jinjie Liu, Zhongguo Xu, Xiaofeng Yang, Shuibin Ni, Yongmao Wang
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Publication number: 20260051792Abstract: An electric motor includes a stator having a radially inner stator core surface and a rotor. The rotor has opposite rotor ends, a radially outer surface positioned proximate the radially inner stator core surface to define an airgap, and a radially inner surface spaced apart from the outer surface to define a plurality of magnet slots. The rotor includes a fluid circulation arrangement having at least one fluid channel extending within the rotor to the outer surface and configured to receive a liquid and a gas, direct at least one of the liquid and gas, via centrifugal force, into the plurality of magnet slots, direct at least another one of the liquid and gas, via centrifugal force, into the airgap, and discharge the liquid and gas out of the magnet slots and airgap at the rotor ends as the rotor rotates inside the stator to thereby cool the electric motor.Type: ApplicationFiled: August 14, 2024Publication date: February 19, 2026Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaofeng Yang, Dongxu Li, Derek F. Lahr, Rebecca K. Risko Cattell, Edward L. Kaiser
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Patent number: 12557492Abstract: A display panel includes: a substrate, a plurality of groups of electrical connection patterns and a plurality of insulating layers. Each group of electrical connection patterns include at least three conductive pattern layers that are coupled to each other. Every two adjacent conductive pattern layers are provided with an insulating layer therebetween. An insulating layer between the first conductive pattern layer and the second conductive pattern layer is provided with a first via hole extending through the insulating layer, and the second conductive pattern layer and the first conductive pattern layer are coupled through the first via hole. Multiple insulating layers between the first conductive pattern layer and the third conductive pattern layer are provided with a second via hole extending through the multiple insulating layers, and the first conductive pattern layer and the third conductive pattern layer are coupled through the second via hole.Type: GrantFiled: November 23, 2021Date of Patent: February 17, 2026Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Xiaofeng Yang, Zhongguo Xu, Mingwen Wang
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Patent number: 12531161Abstract: The disclosure relates to systems and methods for accurate generation of material maps of volume of interests, for example, that include implants, for proton radiation therapy. In one implementation, the method may include determining most probable energy (MPE) using particle energy determined from particle counting data. The method may include generating a plurality of simulations that simulate interactions using different combination of properties for the volume of interest determined from representation data and/or from a database to determine most probable energy (MPE) for each simulation. The method may include comparing the MPE determined using the particle counting data to the MPE determined from each simulation. The method may further include selecting one simulation of the plurality of simulations based on the comparing. The method may also include generating a material map for the volume of interest using the one or more properties corresponding to the one simulation.Type: GrantFiled: November 19, 2021Date of Patent: January 20, 2026Assignees: Emory University, Washington UniversityInventors: Liyong Lin, Serdar Charyyev, Chih-Wei Chang, Tiezhi Zhang, Xiaofeng Yang, Joseph Harms
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Patent number: 12506386Abstract: A vehicle, system, and method of operating a motor of the vehicle. The motor includes a stator and a rotor. A motor controller controls a motor torque of the motor. A sensor measures a motor speed. A rotor temperature sensor measures a temperature of the rotor. A stator temperature sensor measures a temperature of the stator. A processor determines a stator heat loss at the stator based on the motor torque, the motor speed, and the stator temperature, determines a rotor heat loss at the rotor based on the motor torque, the motor speed, and the rotor temperature, and controls flow of a stator coolant stream through the stator at a stator coolant flow rate based on the stator heat loss and a rotor coolant stream through the rotor at a rotor coolant flow rate based on the rotor heat loss.Type: GrantFiled: April 11, 2023Date of Patent: December 23, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Farzad Samie, Peng Peng, Xiaofeng Yang, Derek Frei Lahr
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Publication number: 20250381419Abstract: The present disclosure provides for systems and methods for designing patient-specific sparse passive filters, for example compensation and modulation components, for simultaneous intensity and energy modulation in energetic entity or particle (e.g., proton) therapy, radiation therapy methods and systems, method for treating cancer in a patient or animal subject, method of optimizing an administration plan in particle FLASH radiotherapy or non-FLASH radiotherapy, configuration of the device or system to effectively place the patient-specific sparse passive filter, and the like.Type: ApplicationFiled: June 27, 2023Publication date: December 18, 2025Inventors: Shuang Zhou, Tiezhi Zhang, Steven Biegalski, Cristina Oancea, Minglei Kang, Wei Liu, Charles Simone, III, Niklas Wahls, Liyong Lin, Ruirui Liu, Nathan Harrison, Jeffery Bradkey, Kristin Higgins, William Dynan, Jun Zhou, Xiaofeng Yang, Serdar Charyyev, Alexander Stanforth
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Publication number: 20250381417Abstract: The systems and devices can optimize a modularized beam modulator configuration using a library of components, while optionally simultaneously optimize the radiation delivery parameters. In one implementation, the method may include applying one or more optimization procedures to one or more candidate radiation treatment plans for radiation treatment in a patient according to one or more plan optimization objectives associated with one or more cost functions to generate a final radiation treatment plan. In some examples, each radiation treatment plan may include therapy parameters and a beam modulator configuration of one or more geometric components from a library storing a plurality of the modular components. In some examples, one or more optimization procedures may be applied to the beam modulator configuration of each candidate radiation treatment plan to generate a final beam modulator configuration. The final treatment plan may include the final beam modulator configuration.Type: ApplicationFiled: June 12, 2025Publication date: December 18, 2025Inventors: Jun Zhou, Xiaofeng Yang, Chaoqiong Ma, Ahmal Jawad Zafar
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Patent number: 12489174Abstract: A rechargeable energy storage system (RES S) including a thermal runaway propagation (TRP) mitigation system includes a housing having at least one outlet, a plurality of energy storage cells arranged in the housing, and at least one duct extending along the plurality of energy storage cells. The at least one duct is fluidically connected to the at least one outlet. A gas delivery system including a gas generation system is operable to deliver an amount of inert gas into the housing to purge gases from one or more of the plurality of energy storage cells through the at least one outlet.Type: GrantFiled: October 26, 2022Date of Patent: December 2, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: SeungHwan Keum, Ronald O. Grover, Jr., Jian Gao, Xiaofeng Yang
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Patent number: 12451765Abstract: An electric propulsion motor system includes a rotary electric propulsion motor that has a stator and a rotor. An air gap is present between the stator and rotor. A fluid circulation system provides pressurized liquid and gas, which is directed through fluid passages in the stator and/or rotor and into the air gap to establish a mixture of pressurized liquid and pressurized gas therein. The pressurized gas dilutes the mixture and pushes the pressurized liquid and pressurized gas against the stator and rotor, forcing it to exit the air gap at the opposite ends of the motor leaving the air gap free of accumulated liquid.Type: GrantFiled: May 10, 2023Date of Patent: October 21, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaofeng Yang, Peng Peng, Farzad Samie
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Publication number: 20250274013Abstract: An electric motor includes a stator having windings disposed within winding slots. The stator includes a radially inner stator core surface, a radially outer stator surface, and at least one stator passage extending radially a first distance from the inner stator core surface. A rotor is mounted inside the stator and includes at least one fluid passage extending radially through the rotor to the radially outer rotor surface. A fluid circulation arrangement is configured to receive a first liquid via a first passage and a gas via at least one second passage, and direct the first liquid and the gas, via centrifugal force, into the airgap and the at least one stator passage as the rotor rotates inside the stator to discharge the first liquid and the gas out through the airgap and the at least one stator passage radially, and through the windings axially, thereby cooling the electric motor.Type: ApplicationFiled: February 27, 2024Publication date: August 28, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaofeng Yang, Alireza Fatemi, Derek F. Lahr, Peng Peng
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Publication number: 20250192626Abstract: An electric motor includes a stator having a stator core constructed from a ferromagnetic material and having an external stator surface. The stator core includes a stator core body and a plurality of stator teeth extending therefrom and the plurality of stator teeth define conductor slots therebetween. The electric motor also includes at least one rotor, each having an external rotor surface, a plurality of magnetic poles, and configured to rotate relative to the stator about a rotational axis. The stator also includes a plurality of stator conductors arranged within the conductor slots and configured to establish a rotating magnetic field exerting a torque on the rotor(s) via interaction with the magnetic poles. The stator additionally includes a plurality of first cooling channels, each defined by a respective stator tooth and configured to receive and pass therethrough a fluid to cool the corresponding stator tooth.Type: ApplicationFiled: December 7, 2023Publication date: June 12, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Fatemi, Peng Peng, Xiaofeng Yang, Thomas W. Nehl, Gokhan Cakal
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Publication number: 20250175043Abstract: A rotor for a rotary electric machine incudes an annular stack of rotor lamination layers (“rotor lams”) constructed of a magnetic core material. The rotor lams include inner axial surfaces collectively defining a first plurality of openings through the magnetic core material, a second plurality of openings through the magnetic core material, and a third plurality of openings through the magnetic core material. Each respective one of a first plurality permanent magnets, a second plurality of permanent magnets, and a third plurality of permanent magnets, is disposed respectively within a corresponding one of the first plurality of openings, the second plurality of openings, and the third plurality of openings. The first plurality and the third plurality of permanent magnets include high-coercivity magnets. The second plurality of permanent magnets includes low-coercivity magnets.Type: ApplicationFiled: November 27, 2023Publication date: May 29, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Fatemi, Thomas W. Nehl, Derek F. Lahr, Xiaofeng Yang, Anthony M. Coppola, Peng Peng
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Patent number: 12278550Abstract: A motor stator includes a stator core having a plurality of stator teeth on an inner diameter thereof and defining a respective plurality of slots between the plurality of stator teeth. A plurality of windings are disposed in the slots. A heat pipe network includes a plurality of evaporator portions including a hollow structure disposed in at least a portion of the plurality of slots and including an interior having a wick extending along the interior of the hollow structure. A condenser portion has an interior portion in communication with the plurality of evaporator portions and is located at an end of the stator core. The wick of each of the plurality of evaporator portions extend into the condenser portion.Type: GrantFiled: March 9, 2022Date of Patent: April 15, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Fatemi, Chih-Hung Yen, Farzad Samie, SeungHwan Keum, Thomas W. Nehl, Xiaofeng Yang
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Publication number: 20250107820Abstract: An exemplary robotic needle insertion system is disclosed that can provide respiration compensated needle insertion for an accurate and efficient ablation, biopsy, draining placement of a needle, among other surgical procedures. The system employs a robotic instrument comprising (i) a needle insertion mechanism configured to deliver the needle insertion in a step-wise manner that mimics the current clinical practice by inserting the needle (e.g., RFA needle) according to respiration and other motion and (ii) a probe manipulation mechanism to direct an ultrasound probe to provide intraoperative image guidance for the needle insertion.Type: ApplicationFiled: January 13, 2023Publication date: April 3, 2025Inventors: Yue CHEN, Mishek MUSA, Xiaofeng YANG, Nima KOKABI, Anthony GUNDERMAN
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Publication number: 20250105688Abstract: A radial flux electric motor includes a stator having a radially inner stator surface and a rotor mounted inside the stator. The rotor defines a rotational axis and has axially opposite rotor ends and a radially outer rotor surface positioned proximate the radially inner stator surface, thereby establishing an airgap therebetween. The rotor also includes a fluid circulation arrangement having at least one fluid channel extending through the rotor to the radially outer rotor surface and configured to receive a liquid via a first passage and a gas via at least one second passage. The fluid circulation arrangement is also configured to direct the liquid and the gas, via centrifugal force, into the airgap as the rotor rotates inside the stator sufficiently to discharge the liquid and the gas out of the airgap at the axially opposite ends of the rotor, thereby cooling the electric motor.Type: ApplicationFiled: September 26, 2023Publication date: March 27, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaofeng Yang, Peng Peng, Farzad Samie
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Publication number: 20250067913Abstract: A composite film layer capable of transmitting white light comprises a transparent panel and an indium plating layer, wherein the transparent panel is closer to a white light source relative to the indium plating layer; and the transparent panel is formed by mixing transparent plastics and a blue pigment and performing injection moulding, or is formed by mixing transparent plastics, a blue pigment and a purple pigment and performing injection moulding. The transparent panel containing the blue pigment or containing the blue pigment and the purple pigment is attached to one side of the indium plating layer by using the principle of complementary colours in chromatics, so that the composite film layer can transmit white light, and a colour temperature value of the transmitted white light is 5200 to 7200 K.Type: ApplicationFiled: January 7, 2022Publication date: February 27, 2025Inventors: Jianqiu Zuo, Xiaofeng Yang, Xianglin FU, Lin Luo, Guoqiang Ye
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Publication number: 20250060519Abstract: A white-light-transmitting composite film layer is provided with a medium layer and an indium coating, wherein the medium layer is closer to a white light source than the indium coating. The medium layer is a transparent coating containing 0.5-8% of a blue pigment and 0-2% of a purple pigment; or the medium layer is a transparent plastic film containing 0.5-8% of a blue pigment and 0-2% of a purple pigment. The white-light-transmitting composite film layer utilizes the principle of complementary colors in chromatics, and the special medium layer is attached to one side of the indium coating, so that the composite film layer can realize white light transmission, and the color temperature value of transmitted white light is 5200-7200 K.Type: ApplicationFiled: January 7, 2022Publication date: February 20, 2025Inventors: Jianqiu Zuo, Xiaofeng Yang, Xianglin Fu, Lin Luo, Guoqiang Ye
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Publication number: 20250026842Abstract: Provided are a modified immunoglobulin single variable domain, and a protein or polypeptide comprising same. The modified immunoglobulin single variable domain has reduced binding to a pre-anti-drug antibody. Specifically, the C terminal of the immunoglobulin single variable domain comprises amino acid modification. The present invention further relates to an immunoglobulin single variable domain, the pharmaceutical use of a protein or polypeptide comprising same, a pharmaceutical composition, an encoding nucleic acid, and a preparation method.Type: ApplicationFiled: November 29, 2022Publication date: January 23, 2025Inventors: Nan WANG, Xiaofeng YANG, Wei ZHANG, Zhiliang CAO, Hao YE, Yuhong SHEN, Cheng LIAO
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Patent number: D1105107Type: GrantFiled: December 29, 2023Date of Patent: December 9, 2025Assignee: DONGGUAN HABOTEST INSTRUMENT TECHNOLOGY CO., LTD.Inventor: Xiaofeng Yang