Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
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Publication number: 20240030519Abstract: Presented are thermal management systems with passive quenching sacks for cooling battery assemblies, methods for making/using such systems, and vehicles equipped with such systems. A passive thermal management (PTM) system is presented for cooling a battery assembly, such as a traction battery pack with a battery case containing stacked battery cells. The PTM system includes a fluid container that mounts inside the battery assembly, interposed between the battery case and battery cells. The fluid container stows therein a dielectric coolant fluid and has multiple fluid ports that fluidly connect to the battery cells to dispense thereto the coolant fluid. Thermomechanical plugs, such as wax, film, or smart-material barriers, seal the fluid container ports and passively open (e.g., melt, bend, disintegrate, expand, etc.) at a predefined temperature to thereby unseal the fluid ports such that the coolant fluid is fed from the fluid container into the battery cells.Type: ApplicationFiled: July 19, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jermain E. Onye, Ryan P. Hickey, Pooja Suresh, Andrew P. Oury
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Publication number: 20240024986Abstract: A laser welding system for joining a first workpiece to a second workpiece includes a laser welder configured to emit a laser beam at a power to form a weld to join the first workpiece and the second workpiece at a weld location. The laser welding system includes a plasma protection fixture coupled to a surface of at least the first workpiece. The plasma protection fixture defines an opening configured to receive the laser beam. The opening has a perimeter that surrounds and is spaced apart from the weld. The plasma protection fixture has a height above the surface of at least the first workpiece about the perimeter of the opening that is defined based on the power of the laser beam.Type: ApplicationFiled: July 25, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Baixuan Yang, Wei Zeng, Hui-ping Wang, Stephen Kyle Greutman, Eric Barnhart, Andrew Hromadka
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Publication number: 20240025343Abstract: Vehicles and systems and methods for providing rearview displays for vehicles are provided. An exemplary system is provided for a vehicle having a gate moveable between closed configuration and opened configurations. The system includes a camera mounted to the gate and configured to collect dynamic pixel images of an area behind the vehicle; a display screen configured to display the collected dynamic pixel images; and memory configured to include executable instructions and a processor configured to execute executable instructions that enable the processor to crop the collected dynamic pixel images to display a lower portion of the collected dynamic pixel images on the display screen when the gate is in the closed configuration, and to crop the collected dynamic pixel images to display an upper portion of the collected dynamic pixel images on the display screen when the gate is in the opened configuration.Type: ApplicationFiled: July 21, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhiyuan Du, Xiaofeng F Song, Joshua Michael Martin
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Publication number: 20240025450Abstract: Vehicles and related systems and methods are provided for controlling a vehicle in an autonomous operating mode. One method involves a controller associated with a vehicle identifying a visual attention state associated with a driver of the vehicle based at least in part on output of an imaging device onboard the vehicle, determining, based at least in part on the visual attention state, a driver lane preference corresponding to an adjacent lane in a visual attention direction relative to a current lane of travel for the vehicle, adjusting a priority associated with the adjacent lane corresponding to the driver lane preference and autonomously operating one or more actuators onboard the vehicle to initiate maneuvering the vehicle from the current lane in a manner that is influenced by the adjusted priority associated with the adjacent lane.Type: ApplicationFiled: July 20, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Christopher Michael Churay, Paul A. Adam, Reza Zarringhalam, Milad Jalaliyazdi
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Publication number: 20240030456Abstract: The present disclosure provides an electrode assembly for use in an electrochemical cell that cycles lithium ions. The electrode assembly includes a current collector, an electroactive material layer disposed parallel with the current collector, and a protective coating disposed between the current collector and the electroactive material layer. The electroactive material layer is defined by a plurality of electroactive material particles. At least a portion of the electroactive material particles of the plurality of electroactive material particles includes a protective particle coating. The protective particle coating is a carbon coating that includes a first carbonaceous material. The protective coating is a carbon layer that includes a second carbonaceous material.Type: ApplicationFiled: July 20, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mengyuan CHEN, Xiaosong HUANG, Bradley R. FRIEBERG, Roland J. KOESTNER
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Publication number: 20240025248Abstract: A transmission system for a vehicle includes a first helical pinion gear having a helix angle coupled to a first shaft and configured to receive an input torque. The transmission system includes a second helical pinion gear having a first helix angle coupled to a second shaft and configured to receive the input torque. The second shaft is disposed within the first shaft and rotatable within the first shaft. The transmission system includes a differential assembly having a third helical gear having the first helix angle coupled to the first helical pinion gear, and a fourth helical gear having the helix angle coupled to the second helical pinion gear. The third helical gear and the fourth helical gear are coupled to a differential gear set to drive a first output shaft and a second output shaft associated with the vehicle.Type: ApplicationFiled: July 25, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Peter Tomsa
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Patent number: 11879403Abstract: In exemplary embodiments, methods, and systems for multivariable torque control of a vehicle are provided. The method includes configuring a processor disposed of in a multivariable controller to determine a set of references associated with Exhaust Gas Recirculation (EGR) by implementing an algorithm based on engine temperature and at least one reference associated with the EGR to generate commands for the control of a set of actuators; Optimizing at least one cam phase position by the control based on a generated command to apply an appropriate level of engine torque for vehicle propulsion; Restricting an allowable range of cam phases associated with operations of an EGR valve for a set of cams based on amounts of humidity and EGR introduced by the EGR valve during an internal combustion phase of vehicle operation; and providing an amount of propulsion torque by an engine in accordance with instructions provided by the processor.Type: GrantFiled: December 13, 2021Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: David Nicholas Hayden, Thomas E. Godward, Ibrahim Riba
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Patent number: 11878706Abstract: A driver command predictor includes a controller, multiple sensors, and a command prediction unit. The controller is configured to command an adjustment of multiple motion vectors of a vehicle relative to a roadway in response to multiple actual driver commands and multiple future driver commands. The actual driver commands are received at a current time. The future driver commands are received at multiple update times. The update times range from the current time to a future time. The sensors are configured to generate sensor data that determines multiple actual states of the vehicle in response to the motion vectors as commanded. The command prediction unit is configured to generate the future driver commands at the update times in response to a driver model. The driver model operates on the actual driver commands and the actual states to predict the future driver commands at the update times.Type: GrantFiled: August 19, 2021Date of Patent: January 23, 2024Assignee: GM Global Technology Operations LLCInventors: Ehsan Asadi, Seyedeh Asal Nahidi, SeyedAlireza Kasaiezadeh Mahabadi, Kausalya Singuru, Bakhtiar B. Litkouhi, Isaac Tabatschnic
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Patent number: 11881068Abstract: Systems and methods are provided for locking equipment exposure settings. The system includes a safety interlock device coupled to an access point of a barrier and equipment enclosed thereby. The safety interlock device is configured to suspend a normal operation of the equipment while in an open state and allow the normal operation while in a closed state. The system includes an access point control device configured to allow a user to select among exposure settings for the equipment corresponding to operability of the equipment, and to, by a processor: control the equipment to operate in accordance with a selected exposure setting, determine whether the safety interlock device is in the open or closed state, automatically lock the selected exposure setting if the safety interlock device is in the open state, and automatically unlock the selected exposure setting if the safety interlock device is in the closed state.Type: GrantFiled: January 11, 2023Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gregory R Doppke, Noel J Miller
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Patent number: 11878409Abstract: Systems and methods for changing end-of-arm tools and methods for manufacturing vehicles are provided. An exemplary end-of-arm tool changing system includes a rotatable tool rack configured to hold at least two end-of-arm tools and configured to move a selected end-of-arm tool from a far location to a near location. The exemplary end-of-arm tool changing system further includes a robot configured to reach the near location for attachment of the selected end-of-arm tool to the robot.Type: GrantFiled: September 27, 2021Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Miguel Arturo Saez, John Patrick Spicer
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Patent number: 11880036Abstract: A waveguide head-up display (HUD) includes a waveguide that includes a lower surface and an upper surface and is configured to receive an input and project, based on the input, at least one image from the upper surface and into an eyebox, and a prism arranged at least one of on and above the waveguide. The prism includes a lower surface facing the waveguide and configured to receive the at least one image and an upper surface opposite the lower surface configured to project the at least one image received via the lower surface of the prism. The upper surface of the prism is angled relative to the upper surface of the waveguide such that a first normal of the upper surface of the prism is different from a second normal of the upper surface of the waveguide.Type: GrantFiled: July 19, 2021Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Thomas A. Seder, Kai-Han Chang
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Patent number: 11879168Abstract: A high elastic modulus, high ultimate tensile strength, and low alloy gray cast iron for cylinder liners. The gray cast iron includes from 2.60 wt % to 3.30 wt % Carbon (C); from 1.50 wt % to 2.30 wt % Silicon (Si); from 0.30 wt % to 0.80 wt % Manganese (Mn); from 0.15 wt % to 0.35 wt % Phosphorus (P); from 0.05 wt % to 0.11 wt % Sulphur (S); from 0.60 wt % to 1.20 wt % Copper (Cu); from 0.10 wt % to 0.30 wt % Chromium (Cr); from greater than 0.0 wt % to 0.1 wt % Nickle (Ni); from 0.15 wt % to 0.40 wt % Molybdenum (Mo); and balance wt % Iron (Fe). The total wt % of Si, Mn, P, S, Cu, Cr, Ni, and Mo is less than about 4.10 wt %. The gray cast iron has a Carbon Equivalent (CE) from 3.00 wt % to 3.90 wt % and the product of Mn %*S % is from 0.025 to 0.045.Type: GrantFiled: August 31, 2021Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jianghuai Yang, Dale A. Gerard, Qigui Wang
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Patent number: 11878736Abstract: An assembly includes a first component having a first threaded opening therein, and a second component having a second component opening therethrough. A bolt assembly secures the second component relative to the first component. The bolt assembly includes a first bolt having a spacer portion and a first threaded shaft extending from the spacer portion to engage the first threaded opening. The first bolt includes an internal thread extending axially from the spacer portion. The bolt assembly further includes a second bolt having a head and a second threaded shaft extending from the head. The second threaded shaft extends through the second component opening to engage the internal thread of the first bolt to secure the second component relative to the first component.Type: GrantFiled: December 7, 2021Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Kurt W. Doll, Robert N. Saje
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Patent number: 11881028Abstract: A vehicle system includes a lidar system that obtains an initial point cloud and obtains a dual density point cloud by implementing a first neural network and based on the initial point cloud. The dual density point cloud results from reducing point density of the initial point cloud outside a region of interest (ROI). Processing the dual density point cloud results in a detection result that indicates any objects in a field of view (FOV) of the lidar system. A controller obtains the detection result from the lidar system and controls an operation of the vehicle based on the detection result.Type: GrantFiled: May 4, 2021Date of Patent: January 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shuqing Zeng, Jordan Chipka, Yasen Hu
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Publication number: 20240021866Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a first electrode, a second electrode, a separator physically separating the first and second electrodes, a solid-state interlayer disposed between the separator and the first electrode, and a liquid electrolyte disposed in each of the first electrode, the second electrode, the separator, and the solid-state interlayer. The solid-state interlayer includes a plurality of solid-state electrolyte particles. The solid-state interlayer covers greater than or equal to about 85% of a total surface area of the surface of the first electrode.Type: ApplicationFiled: September 9, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhe LI, Qili SU, Jingyuan LIU, Haijing LIU, Mark W. VERBRUGGE
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Publication number: 20240019720Abstract: A perception system for a motor vehicle includes a camera with a lens having a field of view and configured to focus incident light from the field of view. The field of view includes a road having a road surface. The perception system also includes an imaging sensor arranged in the camera. The imaging sensor has a photosensitive surface defined by an imaging surface area configured to capture the incident light focused from the field of view. A first portion of the imaging surface area is configured to capture an image of the road. The perception system further includes a first polarizer array arranged across the first portion of the imaging surface area and configured to reduce glare from the road surface.Type: ApplicationFiled: July 13, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Tzvi Philipp, Andrew W. Averhart, Yuri Paskover, Tomer Pe'er
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Publication number: 20240021787Abstract: A hybrid functional particle for use in an electrochemical cell that cycle lithium ions is provided. The hybrid functional particle includes a lithiated zeolite having a plurality of pores and a plurality of lithium-containing particles disposed within one or more pores of the plurality of pores of the lithiated zeolite. For example, the lithiated zeolite has a porosity ranging from about 10 vol. % to about 90 vol. %, and the lithium-containing particles can fill an amount ranging from about 1% to about 100% of a total porosity of the lithiated zeolite. The electrochemical cell includes first and second electrodes separated by a separating layer, and the hybrid functional particle may be disposed within one or both of the electrodes, coated on one or more sides of one or both of the electrodes, disposed within the separating layer, and/or coated on one or more surfaces of the separating layer.Type: ApplicationFiled: July 13, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xingcheng XIAO, Mei CAI, Yifan ZHAO
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Publication number: 20240021865Abstract: An electrochemical cell that includes a first electrode, a second electrode, and an electrolyte layer that is disposed between the first electrode and the second electrode is provided. The electrolyte layer includes a porous scaffold having a porosity greater than or equal to about 50 vol. % to less than or equal to about 90 vol. %, and a solution-processable solid-state electrolyte that at least partially fills the pores of the porous scaffold. The porous scaffold is defined by a plurality of fibers having an average diameter greater than or equal to about 0.01 micrometer to less than or equal to about 10 micrometers and an average length greater than or equal to about 1 micrometer to less than or equal to about 20 micrometers. The solution-processable solid-state electrolyte includes is selected from the group consisting of: sulfide-based solid-state particles, halide-based solid-state particles, hydride-based solid-state particles, and combinations thereof.Type: ApplicationFiled: September 7, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhe LI, Meiyuan WU, Qili SU, Yong LU, Haijing LIU
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Publication number: 20240020797Abstract: A method for deblurring a blurred image includes dividing the blurred image into overlapping regions each having a size and an offset from neighboring overlapping regions along a first direction as determined by a period of a ringing artifact in the blurred image, or by obtained blur characteristics relating to the blurred image and/or attributable to the optical system, or by a detected cause capable of producing the blur characteristics, stacking the overlapping regions to produce a stacked output, wherein the overlapping regions are sequentially organized along the first direction, convolving the stacked output through a first convolutional neural network (CNN) to produce a first CNN output having reduced blur as compared to the stacked output, and assembling the first CNN output into a re-assembled image, and processing the re-assembled image through a second CNN to produce a deblurred image having reduced residual artifacts as compared to the re-assembled image.Type: ApplicationFiled: July 13, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Tzvi Philipp, Dan Levi, Shai Silberstein
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Publication number: 20240022161Abstract: A variable current gate driver for a transistor includes a first current control device having a first controllable output current. The first current control device is electrically connected between a first bus and an activator of the transistor, and a second current control device having a second controllable output current. The second current control device is electrically connected between the activator of the transistor and a second bus. A controller is operatively connected to the first and second current control devices to control the first and second controllable output currents to control the first and second current control devices to control activation of the transistor via the activator. The controller is operative to control the first and second current control devices to control a slew rate of the transistor.Type: ApplicationFiled: July 15, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Hong Nguyen, Michael Z. Pieszala, Yilun Luo, Khorshed Mohammed Alam, Sanjeev M. Naik, Benjamin S. Ngu