Patents Assigned to GM Global Technology Operations LLC
  • Patent number: 11542884
    Abstract: A system and method of providing real-time calculation of heat flow in an engine. A piston is disposed in a cylinder of an engine block and movable relative to the cylinder in response to combustion inside the cylinder. A temperature of the combustion inside the cylinder, an average temperature of the wall of the cylinder, and a surface area of the wall of the cylinder based on timing of combustion are determined. An estimated temperature of the piston is derived from calculating a heat fraction to the piston in real-time, via a controller, based on the determined temperature of the combustion, the determined average temperature of the wall of the cylinder, and the determined surface area of the wall of the cylinder. A state of the engine is controlled based on the estimated temperature of the piston as derived from the real-time calculation of the heat fraction to the piston.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: January 3, 2023
    Assignee: GM Global Technology Operations LLC
    Inventors: James A. Goodall, Vignesh Vivek
  • Patent number: 11531068
    Abstract: An apparatus and method for tracking a battery cell is disclosed, for a device having one or more sensors and a controller with a processor and tangible, non-transitory memory. The method includes obtaining respective sensor data relative to an anode and a cathode. A predicted anode capacity and predicted cathode capacity are determined based on the respective sensor data. The predicted anode capacity and predicted cathode capacity each have a respective variance value. An updated set of variables and updated respective variance values are generated based in part on the predicted anode capacity, the predicted cathode capacity and a measured equilibrium voltage, via a Kalman filter module executed by the controller. The updated set of variables include an updated anode capacity and an updated cathode capacity. Operation of the device is controlled based in part on the updated set of variables and updated respective variance values.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: December 20, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Alfred Zhang, Charles W. Wampler
  • Patent number: 11529890
    Abstract: A vehicle sensor assembly includes a panel having a first side and a second side. The vehicle sensor assembly also includes a beam spaced from the panel relative to the second side. The vehicle sensor assembly further includes a mount including a first portion fixed to the beam. In addition, the vehicle sensor assembly includes a sensor coupled to the mount. The mount includes a second portion coupled to the first portion and the sensor is fixed to the second portion to define a subassembly unit. The subassembly unit is movable relative to the first portion in response to a force applied to the first side of the panel which causes the second side of the panel to engage part of the mount to move the subassembly unit. A sensor-mount assembly includes the beam, the mount, and the sensor coupled to the mount.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: December 20, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Christopher A. Michaels, Julie A. Bryce
  • 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
  • Patent number: 11525863
    Abstract: A rechargeable energy storage system and a method of manufacturing includes a battery pack having a battery cell module assembly with an interconnect board disposed between and physically connecting the battery cells with the cell monitoring unit, and a module cover at least partially enclosing the battery cells, the cell monitoring unit, and the interconnect board. The battery pack has relatively high and relatively low loss regions for radio frequency signal communication. A radio frequency manager is wirelessly connectable to the cell monitoring unit by radio frequency signal communication. A signal directing component is operable for transmitting and/or receiving a radio frequency signal between the cell monitoring unit and the radio frequency manager, is configured to direct the radio frequency signal to the relatively low loss region, and is integrated in one of the module cover, the interconnect board, or the radio frequency manager.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Omar Dauleh, Aseim M. Elfrgani
  • Patent number: 11525506
    Abstract: A transfer case pump includes an oil pump, a cover assembly, and a torque transfer mechanism. The oil pump has a pump shaft, and is configured to pressurize a lubricant in response to a rotation of the pump shaft. The pump shaft rotates around a pump axis. The pump axis is parallel to a rear axis of a rear shaft. The pump axis is offset from the rear axis. The cover assembly has a channel configured to transfer the lubricant from the oil pump to the rear shaft. The cover assembly extends around the rear shaft and around the pump shaft. The torque transfer mechanism is configured to transfer a torque from the rear shaft to the pump shaft.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: James M. Hart, Daryl A. Wilton, Clinton E. Carey, Robert B. Parrish, William M. Modisett, Keith W. Noser, Mark D. Kieliszewski
  • Patent number: 11524703
    Abstract: A system for interactive hypothesis estimation of multi-vehicle traffic for autonomous driving is provided. The system includes a sensor upon a host vehicle providing data regarding an operating environment of the host vehicle and a computerized device. The computerized device is operable to monitor the data from the sensor, identify a road surface based upon the data, and identify a neighborhood object based upon the data. The computerized device is further operable to determine a pressure score for the neighborhood object based upon a likelihood that the neighborhood object will conflict with the host vehicle based upon the road surface and the neighborhood object, selectively track the neighborhood object based upon the pressure score, and navigate the host vehicle based upon the tracking of the neighborhood object.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Scott Rad, Hyukseong Kwon, Rajan Bhattacharyya
  • Patent number: 11525742
    Abstract: A temperature sensor for a battery cell of a rechargeable battery is described, and includes a resistive sensing element, a first electrode, and a second electrode. The resistive sensing element, the first electrode, and the second electrode are affixed to a porous separator. The porous separator is interposed between an anode and a cathode of the battery cell. The resistive sensing element is electrically connected in series between the first electrode and the second electrode, and the resistive sensing element, the first electrode and the second electrode are affixed onto the separator as film layers, and are porous.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Alfred Zhang, Gayatri V. Dadheech, Jing Gao, Brian J. Koch
  • Patent number: 11525471
    Abstract: A retention ring is configured to retain components within a transmission assembly. The retention ring has an annular main body defining an opening through a center thereof. The annular main body defines an outer curved surface and an inner curved surface, the annular main body having a distal face disposed in a distal plane and a proximal face disposed in a proximal plane. A first set of retention features extend from the inner curved surface, and a second set of retention features from the outer curved surface. One of the sets of retention features is configured to engage a backing plate or an outer member, and at least one of the sets of retention features is entirely disposed between the proximal plane and the distal plane. A transmission assembly includes the retention ring and an adjacent external snap ring.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Pete R. Garcia, Boris Burgman
  • Patent number: 11511632
    Abstract: A battery system includes high-voltage switches, including a multi-pole contactor. Multiple packs are connectable in a series or parallel configuration via the switches. The contactor includes first and second pairs of electrical terminals separated by a respective circuit gap, with respective contactor arms simultaneously closing or opening the gaps. At all times, internal switches formed by the gaps and arms have the same ON/OFF state corresponding to the circuit gaps both being closed or both being open. Two of the contactors may be used to connect the battery packs to a DC fast-charging station, and to connect electrode terminals of the battery packs to a bus rail, respectively. An electric powertrain includes the battery system and an electrical load, including a rotary electric machine, that is connected to a power inverter and to a mechanical load.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 29, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Robert J. Heydel, Christopher Schlaupitz
  • Patent number: 11511501
    Abstract: A mold for molding a reinforced preform having at least two apertures therein includes first and second mold halves, first and second emitters disposed in the mold halves and configured to emit light therefrom, first and second receivers disposed in the mold halves and configured to receive light from the respective first and second emitters, and first and second moving members having couplings for connection with side portions of the reinforced preform and actuators for moving the couplings between respective first and second positions. A controller determines an alignment condition based on signals received from the receivers. If the alignment condition fails to meet predetermined criteria, then at least one of the actuators is caused to move its coupling from its respective first position to a respective adjusted position that is different from the respective second position.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: November 29, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: William R. Rodgers, Venkateshwar R. Aitharaju, Selina X. Zhao
  • Patent number: 11511669
    Abstract: A system for trailer coupler localization for guidance during a hitching maneuver for a vehicle includes a trailer device including a trailer coupler and a graphic providing structure affixed to the trailer coupler. The structure includes at least one predefined graphic image. The system further includes a rear facing camera device attached to the vehicle and providing a captured image of the predefined graphic image. The system further includes a computerized controller, including programming to receive and analyze the captured image of the predefined graphic image to determine a relative position of the graphic providing structure to the camera device. The controller further includes programming to utilize the analysis to determine a relative position of the trailer coupler to a trailer hitch ball of the vehicle and to provide an output to control the hitching maneuver based upon the relative position.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: November 29, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Zachary T. Kroeze, Yun Qian Miao, Shi M. Yu, Patrick Andruszkiewicz, Ralph D. Schlottke
  • Patent number: 11511808
    Abstract: An apparatus for a vehicle body including a rocker insert is provided. The apparatus includes a vehicle body including a plurality of metallic structure members and a lower portion operable to provide support to a floor surface within a passenger compartment of a vehicle and a rocker insert mounted to an in-vehicle side portion of the lower portion. The rocker insert includes an elongated bar portion including a hollow center portion including internal reinforcing web features. The rocker insert is oriented with respect to the vehicle body such that a longitudinal axis of the elongated bar portion of the rocker insert is parallel to an in-vehicle forward direction of the vehicle body.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: November 29, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Jeffrey R. Halonen, Terry A. Swartzell, Yiran Tong, Luke A. Reini, Andrew W. White, Michael D. Regiec, Warren J. Parsons, Monte L. Taylor
  • Patent number: 11505436
    Abstract: An overhead system assists an operator in moving an object when the operator imparts a manual force to the object in a shared workspace characterized by overlapping ranges of motion of the robot and operator. The system includes an articulated serial robot, a cable, sensors, and a control system. One end of the cable connects to a distal end link of the robot. Another end of the cable connects to the object to suspend the object. The sensors measure a cable force and/or angle. The control system regulates operation of the robot by translating vertically and horizontally in response to the cable force and/or angle. The control system limits the position and/or velocity of the end link according to corresponding work space rules, including respective position and velocity limits, such that the system is immune to a single-point failure.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: November 22, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Muhammad E. Abdallah, James W. Wells
  • Patent number: 11509253
    Abstract: An electric drive system includes a rechargeable energy storage unit, a power inverter, an electric motor and a controller having a processor and tangible, non-transitory memory on which instructions are recorded. A transfer of electrical power between the rechargeable energy storage unit and the electric motor is governed by a pulse width modulation (PWM) switching frequency. The controller is configured to determine a current switching frequency based in part on a PWM type, a PWM switching frequency style and an inverter direct current voltage. A PWM scalar is determined based in part on the current switching frequency and a maximum value of a control reference frequency. The controller is configured to transmit a command signal to regulate the transfer of electrical power based in part on the PWM scalar, the PWM switching frequency being proportional to a product of the PWM scalar and the control reference frequency.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 22, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Kerrie M. Spaven, Brent S. Gagas, Brian A. Welchko
  • Patent number: 11499350
    Abstract: A system is used to control access into a vehicle having a vehicle body defining a vehicle interior, a vehicle exterior, and an access opening. The vehicle also has an access door for selectively covering and uncovering at least a portion of the access opening. The system includes a latch configured to selectively fasten the door to the vehicle body and release the door therefrom. The system also includes a cable configured to operate the latch and thereby release the door from the vehicle body. The system additionally includes a door presenter configured to shift the door away from the vehicle body. The system also includes a mechanism configured to sequentially actuate the cable and the door presenter. The system further includes an electric motor configured to power the mechanism such that the door is shifted away from the vehicle body by the door presenter after the door is released.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: November 15, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Besi Rrumbullaku, Jeffrey L. Konchan, Jeffrey R. Nowicki
  • Patent number: D970398
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: November 22, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Rebecka A Buller, Eduardo H. Mine
  • Patent number: D970399
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: November 22, 2022
    Assignee: GM Global Technology Operations LLC
    Inventor: Gary W. Ruiz
  • Patent number: D970400
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: November 22, 2022
    Assignee: GM Global Technology Operations LLC
    Inventor: Miljan Jevremovic
  • Patent number: D974258
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: January 3, 2023
    Assignee: GM Global Technology Operations LLC
    Inventors: Quan Jie, Hyunkil Jeong