Patents by Inventor Jian Yao

Jian Yao 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: 11639748
    Abstract: An electrified drivetrain system that improves drivability is described. It includes a propulsion system having a rotary electric machine including a rotatable shaft, a torque converter including a fluidic stator, a pump, a turbine and a normally-closed torque converter clutch; a selectable one-way clutch coupled to the fluidic stator; and an output member. The rotatable shaft is coupled to the pump of the torque converter, and the turbine of the torque converter is coupled to the output member.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: May 2, 2023
    Assignee: GM Global Technology Operations LLC
    Inventors: Chengwu Duan, Dongxu Li, Jian Yao, Chunhao J. Lee, Norman K. Bucknor
  • Patent number: 11621621
    Abstract: An axial flux motor includes: a stator having a first side and a second side opposite the first side, the stator including: N stator core components on the first side, where N is an integer greater than two; and pole shoes attached to radial sides of the N stator core components, N slot openings between adjacent ones of the pole shoes, where each of the N slot openings extends in at least one direction non-radially on the first side; and a rotor including a third side and M permanent magnets on the third side, where the first side is parallel to the third side, and where M is an integer greater than two.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: April 4, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jian Yao, Chengwu Duan, Yusheng Zou, Alireza Fatemi
  • Publication number: 20230080123
    Abstract: A power control system includes a battery system and a DC-DC converter with first, second, third, and fourth power switches. A second terminal of the first power switch is connected to a first terminal of the second power switch. A second terminal of the third power switch is connected to a first terminal of the fourth power switch. A first inductor includes a first terminal connected to the second terminal of the first power switch and the first terminal of the second power switch and a second terminal connected to the second terminal of the third power switch and the first terminal of the fourth power switch. A first bypass switch is connected in parallel to the first power switch. A second bypass switch is connected in parallel to the third power switch.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 16, 2023
    Inventors: Yusheng ZOU, Lei HAO, Chengwu DUAN, Jian YAO, Chandra S. NAMUDURI
  • Publication number: 20230074368
    Abstract: In various examples, sensor data may be received that represents a field of view of a sensor of a vehicle located in a physical environment. The sensor data may be applied to a machine learning model that computes both a set of boundary points that correspond to a boundary dividing drivable free-space from non-drivable space in the physical environment and class labels for boundary points of the set of boundary points that correspond to the boundary. Locations within the physical environment may be determined from the set of boundary points represented by the sensor data, and the vehicle may be controlled through the physical environment within the drivable free-space using the locations and the class labels.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 9, 2023
    Inventors: Mansi Rankawat, Jian Yao, Dong Zhang, Chia-Chih Chen
  • Patent number: 11594929
    Abstract: An axial flux motor having reduced spatial harmonics including a rotor with a plurality of magnets. A rotor shaft is coupled to the rotor. A stator faces the rotor and an air gap defined between the rotor and the stator. The stator includes a plurality of electromagnetic components defining a plurality of magnetic poles. The electromagnetic components include a plurality of posts, a plurality of slots, and a plurality of distributed electrically conductive windings disposed in and spanning across nonadjacent slots of the plurality of slots. At least one electrically conductive winding has a winding pitch span of greater than or equal to about 3 to less than or equal to about 20. The axial flux motor may include two rotors and one stator or alternatively two stators and one rotor. Such axial flux motors have short pitch provide desirable reduced spatial harmonics to enhance motor performance.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: February 28, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jian Yao, Chengwu Duan, Mingyuan Zhang
  • Publication number: 20230048820
    Abstract: An axial flux electric motor for an automobile includes a stator assembly, and a rotor assembly, the rotor assembly including a plurality of lamination blocks arranged in an annular pattern, a plurality of conductive wedges, one conductive wedge being positioned between each adjacent pair of lamination blocks, the plurality of lamination blocks and the plurality of conductive wedges defining a rotor core disk having an inner diameter and outer diameter and opposing axial faces, and a plurality of permanent magnets attached to one of the opposing axial faces of the rotor core disk.
    Type: Application
    Filed: August 13, 2021
    Publication date: February 16, 2023
    Inventors: Jian Yao, Chengwu Duan, Yusheng Zou
  • Publication number: 20230047862
    Abstract: A stator core assembly for an axial flux electric motor for an automobile includes a cylindrical outer case that defines a central axis, and a plurality of segmented core sections spaced circumferentially around the central axis within the outer case, each of the segmented core sections including a lamination stack and a sleeve, the lamination stack being positioned within the sleeve and the sleeve being formed from a soft magnetic composite material, the sleeve of each of the plurality of segmented core sections including a first axial end having a pole shoe formed thereon and a second axial end having a pole shoe formed thereon, the pole shoes formed on the first and second axial ends of the sleeve of each of the plurality of segmented core sections including a radially outward surface having an arcuate shape that corresponds to and contacts the radially inward surface of the outer case.
    Type: Application
    Filed: August 13, 2021
    Publication date: February 16, 2023
    Inventors: Jian Yao, Chengwu Duan, Yusheng Zou
  • Publication number: 20230029734
    Abstract: A stator core assembly for an axial flux electric motor for an automobile includes a cylindrical outer case that defines a central axis, first and second disk shaped insulate frames axially spaced from one another and positioned within the outer case, each of the first and second insulate frames including a circular outer ring, a circular inner ring and a plurality of radial spokes extending between the outer ring and the inner ring and spaced circumferentially about the central axis, and a plurality of segmented core sections extending axially between the first and second insulate frames spaced circumferentially around and supported by the first and second insulate frames, wherein, a radial spoke is positioned between each adjacent pair of segmented core sections, and at least one radial spoke extends across each axial end of each one of the plurality of segmented core sections.
    Type: Application
    Filed: July 28, 2021
    Publication date: February 2, 2023
    Inventors: Jian Yao, Chengwu Duan
  • Patent number: 11569713
    Abstract: An electric motor includes a housing, a shaft, a rotor, a stator, and at least one coolant supply channel. The shaft is rotatably mounted within the housing and has a longitudinal axis. The rotor is fixed to the shaft for rotation therewith. The stator is spaced apart from the rotor along the longitudinal axis of the shaft to yield at least one air gap between the stator and the rotor. The at least one coolant supply channel extends through at least one of the shaft and the stator and is configured to supply coolant flow to the at least one air gap.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 31, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jian Yao, Chengwu Duan
  • Publication number: 20230018438
    Abstract: An axial flux motor is provided and includes a shaft, at least one rotor connected to the shaft, and a stator. The stator includes a stator core and an electrically conductive wire. The stator core is segmented and ring-shaped and includes a central opening through which the shaft extends to the at least one rotor. The stator core includes a hybrid segment. The hybrid segment includes soft magnetic composite material components and laminated layered blocks. The laminated layered blocks include two inclined laminated layered blocks, where a distance between the two inclined laminated layered blocks increases radially along a radially extending centerline of the hybrid segment. The electrically conductive wire wound on the hybrid segment.
    Type: Application
    Filed: December 28, 2021
    Publication date: January 19, 2023
    Inventors: Jian Yao, Chengwu Duan
  • Patent number: 11537139
    Abstract: In various examples, sensor data may be received that represents a field of view of a sensor of a vehicle located in a physical environment. The sensor data may be applied to a machine learning model that computes both a set of boundary points that correspond to a boundary dividing drivable free-space from non-drivable space in the physical environment and class labels for boundary points of the set of boundary points that correspond to the boundary. Locations within the physical environment may be determined from the set of boundary points represented by the sensor data, and the vehicle may be controlled through the physical environment within the drivable free-space using the locations and the class labels.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: December 27, 2022
    Assignee: NVIDIA Corporation
    Inventors: Mansi Rankawat, Jian Yao, Dong Zhang, Chia-Chih Chen
  • Patent number: 11526220
    Abstract: A design that allows a touchpad or a digitizer stylus pad to double up as a mouse mat/pad so that a computer mouse can be used over it is provided. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for managing input devices are provided. The apparatus may determine whether a surface input is received at an input surface. The apparatus may determine whether a mouse input is received at a computer mouse. The apparatus may disable one of the input surface and the computer mouse that has a lower priority than another of the input surface and the computer mouse when the surface input and the mouse input are received at respective input device within a threshold window of time.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: December 13, 2022
    Assignee: Razer (Asia-Pacific) Ptd. Ltd.
    Inventors: Jian Yao Lien, Rafael Raymund Viernes
  • Patent number: 11524576
    Abstract: A speed reduction assembly for an electric vehicle includes an electric machine configured to operate as a motor and as a generator. The electric machine includes an output shaft that is rotatable about a longitudinal axis at an output speed. The assembly also includes an output member coupled to the output shaft and rotatable about the longitudinal axis at a reduced speed. In addition, the assembly includes a pericyclic apparatus coupled to the output shaft and the output member to reduce the output speed of the output shaft to the reduced speed of the output member. A vehicle may include the speed reduction assembly in certain configurations. The vehicle includes a battery module and the electric machine is in electrical communication with the battery module to recharge the battery module when the electric machine operates as the generator.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Chengwu Duan, Mohammad Hotait, Jian Yao
  • Publication number: 20220376592
    Abstract: An axial flux motor drive unit for an automobile includes a stator defining a core, an output defining an axis of rotation, a first rotor, a second rotor, and a thrust bearing. The first rotor is rotatable about the axis of rotation and is coupled to the output and disposed relative to the stator to create a first air gap. The second rotor is rotatable about the axis of rotation and is coupled to the output and is disposed relative to the stator to create a second air gap. The thrust bearing is coupled to the output and supports axial loads that are substantially parallel to the axis of rotation, and the first rotor is still rotatable about the axis of rotation when the second rotor is inoperable, and the second rotor is still rotatable when the first rotor is inoperable.
    Type: Application
    Filed: May 19, 2021
    Publication date: November 24, 2022
    Inventors: Chengwu Duan, Alan G. Holmes, Jian Yao
  • Publication number: 20220363754
    Abstract: Provided are antibodies that bind specifically to TIGIT or antigen binding fragments of the antibodies and a composition thereof. Also provided are a nucleic acid molecule coding the antibodies or the antigen binding fragments thereof, an expression vector and a host cell for expressing the antibodies or the antigen binding fragments thereof, and therapeutic and diagnostic uses of the antibodies.
    Type: Application
    Filed: July 14, 2020
    Publication date: November 17, 2022
    Applicants: SHANGHAI JUNSHI BIOSCIENCES CO., LTD., SUZHOU JUNMENG BIOSCIENCES CO., LTD.
    Inventors: Qin MENG, Jian YAO, Hui FENG, Sheng YAO, Hai WU
  • Patent number: 11499146
    Abstract: Disclosed herein is one or more subtilisin variant, nucleic acid encoding same, and compositions and methods related to the production and use thereof, including one or more Bacillus gibsonii-clade subtilisin variant that has improved stability and/or soil removal compared to one or more reference subtilisin.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: November 15, 2022
    Assignee: DANISCO US INC.
    Inventors: Lilia Maria Babe, Richard R. Bott, David A. Estell, Harm Mulder, Frits Goedegebuur, Jian Yao, Sina Pricelius, Miles Scotcher
  • Patent number: 11481657
    Abstract: The present disclosure relates to a content recommendation method, device and system. The method includes: recommending a content in a content set to a user based on an average recommendation probability; collecting feedback information on the recommended content from the user's client, wherein the feedback information includes display information and click information, the display information including displaying times and displaying timing of the recommended content on the client, and the click information including clicking times and clicking timing of the recommended content on the client; and determining a sequence of preferred contents from the contents in the content set according to the feedback information, so as to recommend a content to the user based on the sequence of preferred contents.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: October 25, 2022
    Assignee: Alibaba Group Holding Limited
    Inventors: Shixing Shen, Biyao Wang, Yuzong Yin, Jian Yao, Baiyu Pan, Ji Wang
  • Patent number: 11473075
    Abstract: The present disclosure provides AprL-clade protease enzymes, including variant AprL-clade protease enzymes, nucleic acids encoding same, and compositions and methods related to the production and use thereof, including an AprL-clade variant subtilisin enzyme that has improved stability and/or soil removal compared to a parent AprL-clade subtilisin enzyme.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 18, 2022
    Assignee: DANISCO US INC.
    Inventors: David A. Estell, Frits Goedegebuur, Marc Anton Bernhard Kolkman, Rie Mejldal, Katherine Augustyn, Lilia Maria Babe, Richard R Bott, Jian Yao, Roopa Santosh Ghirnikar
  • Patent number: 11449727
    Abstract: The present disclosure relates to method, storage medium and electronic device for detecting vehicle crashes. The method comprises: acquiring state information of a target vehicle; and determining an event type of the target vehicle according to the state information and a trained convolutional neural network, the event type being any of the following types: a crash event, a near crash event and a baseline event. The event type of the vehicle is determined using the trained convolutional neural network in the present disclosure, so that the accuracy is high; and near crash events can be detected, thus, when a near crash event is detected, the driver can be further alerted or an evading operation is directly performed on the vehicle, so that the safety is improved and the safety of the driver and passengers is guaranteed.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: September 20, 2022
    Assignee: NEUSOFT CORPORATION
    Inventors: Jian Yao, Michael Zhang, Lili Xu
  • Patent number: 11447762
    Abstract: The present invention provides serine protease variants produced there from. Specifically, the present invention provides serine protease variants having one or more substitutions as compared to a reference serine protease. In addition, the present invention provides compositions comprising these serine protease variants. In some embodiments, the present invention provides cleaning compositions comprising at least one of these serine protease variants.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: September 20, 2022
    Assignee: Danisco US Inc.
    Inventors: Viktor Yuryevich Alekseyev, Neelam S. Amin, Luis G. Cascao-Pereira, Katherine D. Collier, David A. Estell, James T. Kellis, Jr., Ayrookaran J. Poulose, Philip F. Souter, Glenn S. Ward, Katherine Augustyn, Jian Yao