Patents by Inventor Bahram Khalighi

Bahram Khalighi 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: 11835811
    Abstract: Aspects of the disclosure include hybrid thermal management systems configured to control an operating temperature of a liquid crystal on silicon (LCoS) based head-up display (HUD) unit. An exemplary thermal management system can include a liquid crystal on silicon layer and a phase change material on a surface of the liquid crystal on silicon layer. A thermoelectric device is positioned in direct contact with the phase change material and a heat sink is positioned on a surface of the thermoelectric device. The thermal management system can further include a controller configured to adjust a thermoelectric device current of the thermoelectric device responsive to a temperature of the liquid crystal on silicon layer.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: December 5, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chih-hung Yen, Bahram Khalighi, Taeyoung Han, Shailendra Kaushik, Thomas A. Seder, Kuo-huey Chen
  • Publication number: 20230369708
    Abstract: An immersion cooling system for a battery system includes a battery enclosure and G battery cell groups arranged in the battery enclosure. Each of the G battery cell groups include C battery cells, where G and C are integers greater than one. A plurality of dividers are arranged between each of the G battery cell groups. A gas manifold removes vent gases from each of the G battery cell groups.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 16, 2023
    Inventors: Taeyoung HAN, Ryan Patrick Hickey, Matthew Swift, Chih-hung Yen, William Yu Chen, Goro Tamai, Bahram Khalighi
  • Publication number: 20230369678
    Abstract: An immersion cooling system for a battery system includes a battery enclosure and C metal-encased, pouch-type battery cells including C metal cases, C pouch-type battery cells arranged in the C metal cases, respectively, where C is an integer greater than one, and C vents on the C metal cases, respectively. A vent gas manifold is in fluid communication with the C vents of the C metal cases and is configured to remove vent gas passing through the C vents of the C metal cases from the battery enclosure.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 16, 2023
    Inventors: Taeyoung HAN, Chih-hung Yen, Ryan Patrick Hickey, Matthew Swift, William Yu Chen, Goro Tamai, Bahram Khalighi
  • Publication number: 20230369682
    Abstract: A battery pack system for inhibiting thermal runaway includes a stack of battery cells wherein each battery cell has a first end, a second end opposite the first end, and side edges extending from the first end to the second end and wherein at least one of the side edges of each battery cell are adjacent to at least one side edge of another of the battery cells, a thermochemical material that undergoes endothermic reaction at temperatures above 50° C., the thermochemical material being located (a) within the stack of battery cells and exterior to battery cells or (b) adjacent to the stack of battery cells, or (c) both.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 16, 2023
    Inventors: Chih-hung Yen, Taeyoung Han, Bahram Khalighi, Peter Paul Andruskiewicz, IV
  • Patent number: 11702096
    Abstract: A vehicle type database includes a plurality of vehicle type profiles. Each of the vehicle type profiles is associated with a vehicle type having a vehicle type specific aerodynamic profile and includes optimal following ranges associated with the vehicle type. Each of the optimal following distance ranges is based on the vehicle type specific aerodynamic profile of the vehicle type and a vehicle speed of the vehicle type wherein a trailing vehicle disposed in the optimal following range is configured to operate at an optimal fuel efficiency. A first optimal following distance range is identified based on a first vehicle type and a first vehicle speed using a first vehicle type profile associated with the first vehicle type. A command is issued to the AR vehicle HUD display system to display a graphical representation of the first optimal following distance to overlay an actual view of the road.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: July 18, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James W. Wells, Thomas A. Seder, Kai-Han Chang, Bahram Khalighi
  • Patent number: 11673496
    Abstract: A seat system includes a seat bottom and a seat back at a rear of the seat bottom. A thermally controlled seat belt includes a lap portion and a shoulder portion. The thermally controlled seat belt can include a porous sleeve that is connected to a seat ventilation system or a vehicle ventilation system. The seat belt can alternatively or additionally include a heating fabric or thermoelectric elements.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: June 13, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Taeyoung Han, Shailendra Kaushik, Alok Warey, Chih-Hung Yen, Bahram Khalighi
  • Patent number: 11654786
    Abstract: An electric vehicle charging port includes a pair of charging pins each connected to a respective charging cable by a base. A pair of porous metallic cages surround the base of the pair of charging pins. A phase change material disposed in the pair of porous metallic cages and a vapor chamber is disposed between the base of the pair of charging pins and the pair of porous cage. The phase change material with an optional vapor chamber and high thermal conductivity (metal or graphite) foam or mesh to provide faster response of transient heat generation.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: May 23, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Taeyoung Han, Chih-hung Yen, Kuo-huey Chen, Bahram Khalighi, Vicente Domenech-Llopis, Srinivasa Rao Vaddiraju, Satish P. Ketkar
  • Publication number: 20230143123
    Abstract: A wicking assembly for battery cells of a battery cooling system includes a first face plate including vertical plate portions and horizontal plate portions defining openings. A second face plate includes vertical plate portions and horizontal plate portions defining openings. A wicking structure is made of a wicking material, defines projections on first and second outer surfaces thereof and includes a plurality of vapor escape passages. The wicking structure is configured to be sandwiched between the first face plate and the second face plate.
    Type: Application
    Filed: November 5, 2021
    Publication date: May 11, 2023
    Inventors: Chih-hung YEN, Taeyoung HAN, Bahram KHALIGHI, Kuo-huey CHEN
  • Patent number: 11639089
    Abstract: A radiant heating and blocking shade system for a sunroof of a vehicle includes a first roller configured to be mounted adjacent to one end of a sunroof of a vehicle. A second roller is mounted adjacent to the first roller between the first roller and the sunroof. A radiant heating shade is at least partially wound around the first roller. The radiant heating shade has a deployed position and a retracted position. A blocking shade is at least partially wound around the second roller. The blocking shade has a deployed position and a retracted position. The blocking shade is arranged parallel to and spaced from the radiant heating shade between the radiant heating shade and the sunroof when the blocking shade and the radiant heating shade are in the deployed position.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: May 2, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Taeyoung Han, Kuo-huey Chen, Bahram Khalighi, Paul E. Krajewski
  • Publication number: 20220407148
    Abstract: A battery system includes a power cell and a heat exchanger abutting the power cell. The heat exchanger includes a cooling medium reservoir, a heat exchange member, and a wicking structure disposed between the cooling medium reservoir and the heat exchange member. The wicking structure provides a fluid pathway from the cooling medium reservoir to the heat exchange member and from the heat exchange member to the cooling medium reservoir.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 22, 2022
    Inventors: Chih-hung Yen, Taeyoung Han, Kuo-huey Chen, Bahram Khalighi
  • Patent number: 11491847
    Abstract: A heating apparatus is provided. The heating apparatus includes a positive temperature coefficient (PTC) heating element and a power controller configured to generate and apply a pulse width modified signal to the PTC heating element. The power controller is configured to vary a current of the pulse width modified signal linearly with respect to a temperature of a space being heated by the PTC heating element.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: November 8, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Chih-hung Yen, Taeyoung Han, Bahram Khalighi, Kuo-huey Chen, Shailendra Kaushik
  • Patent number: 11485429
    Abstract: A control system of a vehicle comprising: i) a plurality of adjustable aerodynamic control devices associated with the vehicle; ii) a fuel economy sensor configured to determine a first fuel economy measurement; and iii) an aerodynamic device controller module configured to adjust a first one of the plurality of adjustable aerodynamic control devices and to receive from the fuel economy sensor a second fuel economy measurement. The aerodynamic device controller module stores in an onboard database state information corresponding to settings of the plurality of adjustable aerodynamic control devices if the second fuel economy measurement is an improvement over the first fuel economy measurement.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 1, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chih-Hung Yen, Taeyoung Han, Alok Warey, Kuo-Huey Chen, Bahram Khalighi, Shailendra Kaushik
  • Patent number: 11472258
    Abstract: A climate control system includes a memory, a compensation module, and a climate control module. The memory is configured to store images captured by one or more image sensors. The compensation module is configured to: based on the images, estimate a clothing level of a first occupant in an interior cabin of a vehicle or receive the clothing level from at least one of an edge computing device or a cloud-based network device; determine a first EHT setpoint; and determine a first resultant EHT based on the clothing level and the first EHT setpoint. The climate control module is configured to: determine a first EHT error based on the first resultant EHT and a cabin temperature setpoint; determine a control value based on the first EHT error; and set climate control parameters to control a temperature of a first zone within the interior cabin based on the control value.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 18, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Taeyoung Han, Alok Warey, Shailendra Kaushik, Bahram Khalighi, Paul E. Krajewski
  • Patent number: 11427052
    Abstract: A glass panel apparatus is provided. The glass panel apparatus includes an outer glass pane comprising a low-e coating on a side facing the inner glass pane, an inner glass pane comprising a low-e coating on a side facing the outer glass pane, a gap between the inner glass pane and the outer glass pane, the gap comprising a vacuum, and a heating element configured to heat the inner glass pane.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: August 30, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Shailendra Kaushik, Taeyoung Han, Bahram Khalighi
  • Patent number: 11407289
    Abstract: Methods and apparatus are provided for heating a vehicle window to remove ice and condensation using a carbon nanotube heating pad. The apparatus includes a user interface operative to receive a user request, a vehicle windshield, a heating pad wherein the heating pad includes a carbon nanotube heating element and a reflective surface and is oriented such that the carbon nanotube heating element is directed towards the windshield, a power supply operative to supply power to the carbon nanotube heating element in response to a control signal, and a processor operative to generate the control signal in response to the user request.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: August 9, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Alok Warey, Chih-Hung Yen, Taeyoung Han, Kuo-Huey Chen, Bahram Khalighi, Paul E. Krajewski
  • Publication number: 20220219506
    Abstract: A climate control system includes a memory, a compensation module, and a climate control module. The memory is configured to store images captured by one or more image sensors. The compensation module is configured to: based on the images, estimate a clothing level of a first occupant in an interior cabin of a vehicle or receive the clothing level from at least one of an edge computing device or a cloud-based network device; determine a first EHT setpoint; and determine a first resultant EHT based on the clothing level and the first EHT setpoint. The climate control module is configured to: determine a first EHT error based on the first resultant EHT and a cabin temperature setpoint; determine a control value based on the first EHT error; and set climate control parameters to control a temperature of a first zone within the interior cabin based on the control value.
    Type: Application
    Filed: January 11, 2021
    Publication date: July 14, 2022
    Inventors: Taeyoung HAN, Alok WAREY, Shailendra KAUSHIK, Bahram KHALIGHI, Paul E. KRAJEWSKI
  • Patent number: 11363683
    Abstract: Systems and methods are provided for radiant heating by PTC radiant patches. A radiant heating system for warming an occupant of an enclosed space includes patches to radiate heat into the enclosed space toward the occupant. A power supply supplies electric power to the patches. A controller controls the electric power supplied to the patches based on a temperature in the enclosed space and locations of the patches within the enclosed space.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: June 14, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Taeyoung Han, Shailendra Kaushik, Kuo-huey Chen, Chih-hung Yen, Bahram Khalighi
  • Patent number: 11316217
    Abstract: A battery cell thermal conditioning system for a vehicle includes a battery pack having multiple battery cells. Multiple foam layers are individually positioned between first successive ones of the battery cells. A first carbon nanotube sheet is positioned in direct contact with one of the battery cells on a first side of the foam layers and a second carbon nanotube sheet is positioned in direct contact with a different one of the battery cells on a second side of the foam layers. A cooling plate is positioned between second successive ones of the battery cells. A controller directs current flow to the first carbon nanotube sheet and the second carbon nanotube sheet when a temperature of the one of the battery cells contacted by the carbon nanotube sheet drops below a predetermined threshold temperature.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: April 26, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Alok Warey, Chih-hung Yen, Kuo-huey Chen, Taeyoung Han, Bahram Khalighi
  • Publication number: 20220118866
    Abstract: An electric vehicle charging port includes a pair of charging pins each connected to a respective charging cable by a base. A pair of porous metallic cages surround the base of the pair of charging pins. A phase change material disposed in the pair of porous metallic cages and a vapor chamber is disposed between the base of the pair of charging pins and the pair of porous cage. The phase change material with an optional vapor chamber and high thermal conductivity (metal or graphite) foam or mesh to provide faster response of transient heat generation.
    Type: Application
    Filed: October 19, 2020
    Publication date: April 21, 2022
    Inventors: Taeyoung Han, Chih-hung Yen, Kuo-huey Chen, Bahram Khalighi, Vicente Domenech-Llopis, Srinivasa Rao Vaddiraju, Satish P. Ketkar
  • Patent number: 11295045
    Abstract: Processor-implemented methods and systems for aerodynamically optimizing a design geometry of a vehicle body using a convolutional neural network (CNN) are provided. The method may include receiving a signed distance function (SDF) data file that represents the design geometry of the vehicle body. The method includes receiving a range of inflow boundary conditions. The processor processes the SDF over the range of boundary conditions, using the CNN, to generate therefrom drag and lift outputs for the design geometry. The drag and lift outputs may be displayed in the form of one or more intensity maps.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 5, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shailendra Kaushik, Taeyoung Han, Bahram Khalighi