Patents Assigned to GM
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Publication number: 20220302526Abstract: The present disclosure provides a solid-state battery including at least one current collector that is in communication with one or more switches configured to move between open and closed positions, where the open position corresponds to a first operational state of the solid-state battery and the closed position corresponds to a second operational state of the solid-state battery; one or more electrodes disposed adjacent to the one or more current collectors; and one or more electrothermal material foils including a resistor material that is in electrical communication with that at least one current collector, where in the first operational state electrons may flow through the one or more electrothermal material foils during cycling of the solid-state battery so as to initiate a heating mode, and in the second operational state electrons may flow through the current collector during cycling of the solid-state battery so as to initiate a non-heating mode.Type: ApplicationFiled: March 1, 2022Publication date: September 22, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhe LI, Xiaochao QUE, Haijing LIU, Yong LU, Meiyuan WU, Jingyuan LIU
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Publication number: 20220297691Abstract: A method detects unintended acceleration of a motor vehicle during a closed-loop speed control mode by determining external forces on the vehicle via a controller, and then calculating a desired acceleration using a measured vehicle speed and the external forces. The method includes determining an actual acceleration of the vehicle, including filtering a speed signal as a first actual acceleration value and/or measuring a second actual acceleration value using an inertial measurement unit (IMU). During the speed control mode, the method includes calculating an acceleration delta value as a difference between the desired acceleration and the actual acceleration, and then using the acceleration delta value to detect the unintended acceleration during the speed control mode. A powertrain system for the motor vehicle, e.g., an electric vehicle, includes the controller and one or more torque generating devices coupled to road wheels of the vehicle.Type: ApplicationFiled: March 19, 2021Publication date: September 22, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jacob M. Knueven, Jason C. Jousma, Paul G. Otanez, Aubrey W. Downs, JR., Joseph D. Hillegass, Abdoulaye T. Diallo
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Publication number: 20220295798Abstract: An antimicrobial interior component for a vehicle includes an interior component body having a contoured surface. The interior component also includes an antimicrobial jacket assembly having a first piece and a second piece coupled together and disposed over the contoured surface. The antimicrobial jacket assembly defines at least one touch surface disposed over the contoured surface of the interior component body. The first piece and the second piece each includes an antimicrobial metal material configured to prevent or minimize microbes from accumulating on the at least one touch surface.Type: ApplicationFiled: March 22, 2021Publication date: September 22, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Adam F. GROSS, Janet C. ROBINCHECK, William SCHUMACHER, Nancy L. JOHNSON
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Patent number: 11449067Abstract: An autonomous vehicle is described herein. The autonomous vehicle generates segmentation scenes based upon lidar data generated by a lidar sensor system of the autonomous vehicle. The lidar data includes points indicative of positions of objects in a driving environment of the autonomous vehicle. The segmentation scenes comprise regions that are indicative of the objects in the driving environment. The autonomous vehicle generates scores for each segmentation scene based upon characteristics of each segmentation scenes and selects a segmentation scene based upon the scores. The autonomous vehicle then operates based upon the segmentation scene.Type: GrantFiled: August 3, 2018Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Andrea Allais, Micah Christopher Chambers
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Patent number: 11450920Abstract: An electrochemical assembly includes a case defining an interior region, an electrochemical cell, a device, and a pressure relief valve. The electrochemical cell is disposed within the interior region. The device includes a spreader component. The spreader component includes a polymer matrix and an additive embedded in the polymer matrix. The additive includes an endothermic phase change material, a flame retardant material, an intumescent material, or any combination thereof. The device defines a device outlet. The pressure relief valve has a valve inlet fluidly connected to the interior region and a valve outlet fluidly connected to the device. The pressure relief valve is configured to transfer a gas from the interior region to the device when a pressure in the interior region exceeds a predetermined pressure. The spreader component is configured to be in fluid communication with the gas and direct the gas to the device outlet.Type: GrantFiled: September 30, 2020Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Phillip D. Hamelin, Alexander M. Bilinski, Su Jung Han
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Patent number: 11449555Abstract: The present technology is effective to receive a list of topics for discussion, initiate a conversation with a passenger of an autonomous vehicle, receive sensor data from sensors of the autonomous vehicle; determine, based upon sensor data received from the autonomous vehicle and the first topic, contextual information to present in the conversation with the passenger; and present the contextual information in the conversation to the passenger. The list of topics may be determined by a user. The conversation may include at least a first topic. The first topic may be included in the list of topics for discussion.Type: GrantFiled: December 30, 2019Date of Patent: September 20, 2022Assignee: GM Cruise Holdings, LLCInventor: Govindarajan Krishnamurthi
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Patent number: 11448380Abstract: A light-emitting assembly configured to generate varied color light includes an assembly housing. The light-emitting assembly also includes a light filter element fixed relative to the assembly housing. The light filter element includes a plurality of transparent nanostructured ElectroChromic (TNEC) layers. When at least one of the plurality of TNEC layers is subjected to voltage, the subject TNEC layer(s) imparts a distinct reflective color to ambient light entering the light-emitting assembly. Such a light-emitting assembly may be specifically adapted for use on a motor vehicle.Type: GrantFiled: September 29, 2020Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Jonglee Park, Jodi M. Allen, Nicholas V. Friszell
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Patent number: 11446903Abstract: Disclosed is a multilayer panel, comprising: a center layer comprising graphene, wherein the center layer comprises a first surface and an opposing second surface; a first polymer layer deposited on the first surface of the center layer and a second polymer layer deposited on the second surface of the center layer; and a first glass layer deposited on an outer surface of the first polymer layer and a second glass layer deposited on an outer surface of the second polymer layer; wherein the first polymer layer, the second polymer layer, or any combination(s) thereof comprise carbon filler.Type: GrantFiled: November 25, 2019Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Anne M. Dailly, Mei Cai, Michael D. Richardson, Todd J. Gordon
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Patent number: 11447185Abstract: A rocker assembly for a vehicle body structure includes a rocker rail having a boxed cross-section defining a rocker rail interior space, a rocker rail length, and a rocker rail outer surface along the length. The rocker rail defines at least one aperture connecting the interior space and the panel outer surface. The rocker assembly also includes an insert member configured to fit within the rocker rail interior space and extend along the panel length to reinforce the panel. The insert member includes at least one projection configured to match up with and extend at least partially through a respective at least one aperture. The projection(s) are configured to reinforce the rocker rail by opposing deformation of the boxed cross-section. The projection(s) oppose deformation via interference with the boxed cross-section at the respective aperture(s) when the rocker rail is subjected to an applied load perpendicular to the panel outer surface.Type: GrantFiled: February 16, 2021Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Bhavesh Shah, Bradley A. Newcomb, Joseph M. Polewarczyk
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Patent number: 11446637Abstract: Bimetallic three-way catalyst devices include a support body, one or more Rh bulk deposits disposed on the support body, and a plurality of Pt atomic clusters disposed on the surface of each of the Rh bulk deposits. Substantially no Pt is deposited on the support body. At least 85% by weight of the Pt atomic clusters comprise up to 10 atoms and the maximum Pt atomic cluster size is 200 Pt atoms. The combined loading of Rh and Pt can be less than 1.5% by weight relative to the weight of the support body. The molar ratio of Rh in a bulk Rh deposit to Pt disposed on the surface of that deposit is at least 5:1.Type: GrantFiled: June 18, 2020Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Ming Yang, Se H. Oh, Wei Li
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Patent number: 11451123Abstract: An electric machine includes a stator and a rotor positioned in operational engagement with one another and defining a radial gap extending circumferentially between the stator and the rotor, the rotor including a plurality of rotor segments defining a plurality of segment gaps between adjacent pairs of the plurality of rotor segments, the rotor segments radially moveable relative to the stator, wherein movement of the plurality of rotor segments radially outward increases the radial gap between the stator and the rotor and the segment gaps between adjacent pairs of the plurality of rotor segments.Type: GrantFiled: October 29, 2020Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Fatemi, Thomas W. Nehl, Derek F. Lahr
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Patent number: 11451071Abstract: A battery electric vehicle includes a high voltage rechargeable energy storage system (RESS). The RESS includes several battery modules reconfigurable among parallel and series arrangements. During reconfiguration transitions, a low voltage battery services low voltage loads of the battery electric vehicle. The low voltage battery is preconditioned in advance of reconfigurations.Type: GrantFiled: June 2, 2020Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Fang Dai, Shifang Li, Jinming Liu, Yue Fan, Mei Cai
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Patent number: 11450961Abstract: A vehicle includes a spoiler and an antenna assembly for the vehicle. The spoiler includes a support surface and a cover attachable to the support surface to form a cavity with the support surface. The antenna assembly includes a circuit board, antenna and support beam. The circuit board is attachable to the support surface. The support beam extends from the circuit board and the antenna is at an end of the support beam opposite the circuit board. The antenna is disposed within the cavity.Type: GrantFiled: March 13, 2021Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Hyok Jae Song, Hanseung Lee, Nahel Eshaq, Gregg R. Kittinger
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Patent number: 11447126Abstract: Described herein is a system and method for preemptive chassis control intervention for an autonomous vehicle having a mechanical system and a chassis controller. The chassis controller is configured to output a consumption signal that represents a percentage of an activation threshold consumed by an operation monitored by the chassis controller, wherein the chassis controller is activated to manipulate the mechanical system when the activation threshold is reached. A computing system of the autonomous vehicle receives the consumption signal output by the chassis controller to determine a path plan for the autonomous vehicle based upon the percentage of the activation threshold consumed by the operation monitored by the chassis controller. The computing system further controls the mechanical system to execute the path plan to preempt activation of the chassis controller.Type: GrantFiled: January 31, 2019Date of Patent: September 20, 2022Assignee: GM CRUISE HOLDINGS LLCInventor: Kevin Danford
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Patent number: 11451181Abstract: A novel power inverter system for transferring electric power between a DC power source and a multi-phase electric machine is described, and includes a power inverter, a Z-source inverter, a first switch, and a second switch. The first switch is arranged between positive and negative conductors of a high-voltage bus that is electrically coupled to the DC power source, and the second switch is arranged in-line on the positive conductor of the high-voltage bus.Type: GrantFiled: September 29, 2020Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Marko Jaksic, Brian A. Welchko, Benjamin S. Ngu
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Patent number: 11448152Abstract: A method for diagnosing an air filter status includes receiving, by a controller, sensor data indicative of a mass air flow rate, an air temperature and an air pressure of an air cleaner assembly including an air filter, determining an air filter life remaining from the sensor data, and receiving data indicative of a vehicle condition. The method also includes determining when a first condition is satisfied and when true, triggering an air filter leakage alert. When the first condition is not satisfied, the controller determines when a second condition is satisfied. When the second condition is satisfied, the controller determines when a third condition is satisfied, and when the third condition is satisfied, triggers an air filter snow intrusion alert. When the second condition is satisfied and the third condition is not satisfied the controller triggers an air filter blockage alert.Type: GrantFiled: February 16, 2021Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Lei Li, Terry W. Ostan, Joseph K. Moore, Chong Keong Tang, Gregory A. Piper
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Patent number: 11451175Abstract: A control system for an electric motor includes a power input calculating module configured to calculate power input to the electric motor. A power output calculating module is configured to calculate power output by the electric motor. A power loss calculating module is configured to calculate power loss in the electric motor based on the power input and the power output. A fault module is configured to compare the power loss in the electric motor to one or more predetermined power loss thresholds and to selectively alter operation of the electric motor based on the comparison.Type: GrantFiled: December 6, 2019Date of Patent: September 20, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jiyu Zhang, Lei Hao
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Patent number: 11447128Abstract: A spatial monitoring system for a vehicle includes a LiDAR sensor, sensors arranged to monitor ambient environmental states, sensors arranged to monitor vehicle operating conditions, and a controller. The controller includes an instruction set that is executable to monitor the ambient environmental states and the vehicle operating conditions. The LiDAR sensor captures a point cloud, and the instruction set is executable to determine point cloud metrics. Desired control parameters for the LiDAR sensor are determined based upon the ambient environmental conditions, the vehicle operating conditions, and the point cloud metrics, and the LiDAR sensor is controlled based upon the desired control parameters. The LiDAR sensor is controlled to capture an image of a field-of-view proximal to the vehicle based upon the desired control parameters.Type: GrantFiled: April 29, 2020Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Negin Lashkari, Arash Mohtat, Kai Yue Peter Yap
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Patent number: 11447193Abstract: A system is configured to mitigate hydroplaning of a vehicle having an adjustable aerodynamic-aid element configured to generate a selectable downforce on the vehicle body in response to a movement of ambient airflow relative thereto. The system includes a mechanism for varying a position of the adjustable aerodynamic-aid element relative to the body to regulate the downforce and sensor(s) configured to detect a vehicle dynamic parameter indicative of hydroplaning of the vehicle. The system additionally includes an electronic controller in communication with the sensor(s) and programmed to regulate the mechanism. The controller is configured to determine a target position for the adjustable aerodynamic-aid element in response to signal(s) from the sensor(s). The controller is also configured to set the adjustable aerodynamic-aid element to the target position via the mechanism to regulate the downforce on the vehicle body and mitigate the hydroplaning of the vehicle.Type: GrantFiled: June 10, 2019Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Dale Cattell, Jason D. Fahland
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Patent number: 11450877Abstract: A tooling system is configured to align and assemble a battery module having a plurality of battery cells arranged in a stack. Each battery cell has a flexible electrical terminal arranged along a respective terminal axis, and wherein the terminal axes are parallel to one another. The system includes a tooling fixture defining at least one Y-shape slit having a V-collector culminating in a slot arranged along a slot axis. Each V-collector is configured to capture the terminals of at least two battery cells. Each slot is configured to group the captured terminals when the slot axis is parallel to the terminal axes and the fixture engages the battery module. The system also includes a mechanism configured to apply a first force to the fixture along the slot axis to engage the battery module with the fixture. The mechanism thereby groups and aligns the captured terminals within the slot.Type: GrantFiled: March 16, 2020Date of Patent: September 20, 2022Assignee: GM Global Technology Operations LLCInventors: Robert H. Dietze, Christopher Brady