General Motors Patents
General Motors Company designs, builds and sells cars, trucks and automobile parts worldwide. Its main brands include Buick, Cadillac, Chevrolet and GMC. Outside of North America, it also markets vehicles under the Holden, Open and Vauxhall. In Asia, subsidiaries also design, manufacture, and market vehicles under the Alpheon, Baojun, Jiefan ang Wuling brands. The company provides automotive financing services through GM Financial.
General Motors Patents by Type- General Motors Patents Granted: General Motors patents that have been granted by the United States Patent and Trademark Office (USPTO).
- General Motors Patent Applications: General Motors patent applications that are pending before the United States Patent and Trademark Office (USPTO).
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Publication number: 20240143074Abstract: A method of training a disparity estimation network. The method includes obtaining an eye-gaze dataset having first images with at least one gaze direction associated with each of the first images. A gaze prediction neural network is trained based on the eye-gaze dataset to develop a model trained to provide a gaze prediction for an external image. A depth database is obtained that includes second images having depth information associated with each of the second images. A disparity estimation neural network for object detection is trained based on an output from the gaze prediction neural network and an output from the depth database.Type: ApplicationFiled: October 18, 2023Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ron M. Hecht, Omer Tsimhoni, Dan Levi, Shaul Oron, Andrea Forgacs, Ohad Rahamim, Gershon Celniker
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Publication number: 20240140738Abstract: A multimodal freight monitoring and contextual notification system for a delivery vehicle. The system may include one or more monitoring systems configured to generate monitoring data for multimodal monitoring of freight included within a cargo bay of the delivery vehicle and a contextual notification controller configured to generate a contextual notification as a function thereof.Type: ApplicationFiled: October 26, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alaa M. Khamis, Yun Qian Miao, Christopher L. Oesterling, Derek B. Ancrum, Shawn F. Granda
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Publication number: 20240143772Abstract: A system for implementing a secure boot event includes a system on a chip (SoC). The SoC includes key hashes stored within one-time programmable memory. Each of the key hashes is configured for use with one of a plurality of candidate authentication key sets. The SoC further includes firmware stored within RAM. The firmware includes a secondary bootloader, a plurality of public keys, and corresponding signatures. The public keys and corresponding signatures are configured for use with one of the key sets. The SoC further includes a primary bootloader utilizing fuses stored within the programmable memory. The fuses activate a selected key hash based upon an ecosystem in which the system is to operate. The selected hash and a corresponding public key and signature define an active authentication key set. During the event, the primary bootloader utilizes the active authentication key set to authenticate a downloaded update to the firmware.Type: ApplicationFiled: October 28, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Brian Farrell
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Publication number: 20240145774Abstract: An electrode for an electrochemical cell includes an electroactive material and an electrolyte that includes a lithium-salt additive and a solvent. The electroactive material is represented by: xLi2MnO3ยท(1?x)LiMO2 where M is a transition metal selected from the group consisting of: nickel (Ni), manganese (Mn), cobalt (Co), aluminum (Al), iron (Fe), and combinations thereof and 0.01?x?0.99. The solvent is selected from the group consisting of: ethylene carbonate (EC), fluoroethylene carbonate (FEC), dimethyl carbonate (DMC), diethyl carbonate (DEC), ethylmethylcarbonate (EMC), ethylmethylcarbonate (EMC), ethylene carbonate (EC), propylene carbonate (PC), vinyl ethylene carbonate (VEC), tetramethylene sulfone (TMS), ethyl methyl sulfone (EMS), acetonitrile (AN), butyronitrile (BN), and combinations thereof. The electrolyte includes between about 0.001 wt. % and about 10 wt. % of the lithium-salt additive and has an overall salt concentration between about 0.1 mol/L and about 10 mol/L.Type: ApplicationFiled: November 1, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lei WANG, Gongshin QI, Jiazhi HU, Colin JAMISON, Nicole ELLISON
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Patent number: 11971544Abstract: A hybrid augmented reality head-up display system for displaying graphics upon a windscreen of a vehicle includes a windscreen having a transparent substrate including light emitting particles dispersed within, a primary graphic projection device for generating a first set of images upon the windscreen of the vehicle based on visible light, and a secondary graphic projection device for generating a second set of images upon a secondary area the windscreen of the vehicle based on an excitation light. The first set of images are displayed upon a primary area of the windscreen. The light emitting particles in the windscreen emit visible light in response to absorbing the excitation light. The first set of images displayed upon the primary area of the windscreen cooperate with the second set of images displayed upon the secondary area of the windscreen to create an edge-to-edge augmented reality view.Type: GrantFiled: May 20, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Thomas A. Seder, Kai-Han Chang, Joseph F. Szczerba, John P. Weiss
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Patent number: 11971455Abstract: A mixed chemistry battery is provided. The mixed chemistry battery includes a reference module having a first chemistry and a battery module having a second chemistry that is different that the first chemistry, the battery module is connected to the reference module in series. The mixed chemistry battery also includes a battery monitoring system configured to monitor an open circuit voltage of the reference module, an open circuit voltage of the battery module, and a current flow through the reference module and the battery module. The battery monitoring system is further configured to calculate a state-of-charge (SOC) and state-of-health (SOH) of the battery module based at least in part on a SOC of the reference module.Type: GrantFiled: July 6, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chengwu Duan, Jian Yao, Dewen Kong, Jingyuan Liu
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Patent number: 11970227Abstract: Methods, systems and a vehicle control system for a vehicle is provided. The vehicle control system includes an Electric Power Steering System (EPS), and a sensor system including a vehicle dynamics sensor configured to provide vehicle dynamics data and a temperature sensor configured to provide measured outside temperature. A processor is in operable communication with the EPS and the sensor system. The processor is configured to execute program instructions. The program instructions are configured to cause the processor to: execute an automated lateral control algorithm based on the vehicle dynamics data to generate a steering command, adapt the automated lateral control algorithm based on the measured outside temperature so that the steering command compensates for changing lateral response of the vehicle as a result of changing environmental temperature; and provide the steering command to the EPS, wherein the EPS is configured to laterally control the vehicle based on the steering command.Type: GrantFiled: June 17, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Reza Zarringhalam, Jimmy Lu, Brian Porto, Ethan Thomas Dietrich
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Patent number: 11970072Abstract: An example of a vehicle electrical system includes a rechargeable energy storage system (RESS) having a first voltage and a power inverter electrically connected to the RESS. The system further includes an electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter. The electric motor further includes a neutral terminal separate from the polyphase terminals. The system further includes an accessory load electrically connected to the power inverter and the neutral terminal of the electric motor, with the accessory load requiring a second voltage that is below the first voltage. A current flows through the machine windings to step down the first voltage to the second voltage. The power inverter is configured to cycle between first and second operational states, such that the power inverter steps down the first voltage to the second voltage.Type: GrantFiled: March 22, 2021Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Rashmi Prasad, Chandra S. Namuduri
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Patent number: 11971079Abstract: A dual deflection ring system includes a pair of components that rotate relative to one another about an axis of rotation. One or more deflection rings are disposed between the components. The deflection ring(s) include two sets of pockets configured to provide two levels of compressibility in-series between the components. The two sets of pockets project radially relative to the axis of rotation and are compressible between the components.Type: GrantFiled: July 11, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sen Jiang Zhou, John Miller, Craig David Reynolds
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Patent number: 11970063Abstract: Examples described herein provide a computer-implemented method that includes calculating, by a processing device, a motor acceleration error based at least in part on a motor torque and a motor speed. The method further includes calculating, by the processing device, a regression fit line based at least in part on the motor acceleration error. The method further includes identifying, by the processing device, a zero point using the regression fit line. The method further includes comparing, by the processing device, the zero point to a datum reference to determine a difference. The method further includes integrating, by the processing device, the difference to determine the lash angle. The method further includes controlling, by the processing device, the motor based at least in part on the lash angle.Type: GrantFiled: August 10, 2021Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Noah Jon Lovins-Wilusz, Robert L. Morris
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Patent number: 11973200Abstract: A reference electrode assembly for an electrochemical cell of a secondary lithium ion battery and methods of manufacturing the same. The reference electrode assembly includes a porous membrane having a major surface and a porous reference structure deposited on the major surface of the porous membrane. The porous reference structure includes a porous carbon layer and a porous reference electrode layer that at least partially overlaps the porous carbon layer on the major surface of the porous membrane.Type: GrantFiled: December 4, 2020Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gayatri V. Dadheech, Mark W. Verbrugge, Alok Warey, Brian J. Koch, Jing Gao
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Patent number: 11973226Abstract: A hybrid electrochemical device including at least two electrically connected solid-state electrochemical cells is provided. Each electrochemical cell includes a first outer electrode having a first current collector and a first electroactive layer, a second outer electrode having a second current collector and a second electroactive layer, and one or more intervening electrodes disposed between the electroactive layers. At least one of the intervening electrodes includes one or more capacitor additives. The first outer electrode is electrically connected to at least one of the intervening electrodes in a first electrical configuration. The second outer electrode is electrically connected to at least one of the intervening electrodes in a second electrical configuration. The at least two electrochemical cells are electrically connected in a third electrical configuration.Type: GrantFiled: October 30, 2020Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mengyan Hou, Haijing Liu, Qili Su, Xiaochao Que
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Patent number: 11970078Abstract: A system in a vehicle includes memory to store values obtained for a battery that supplies current to one or more loads. The values include battery state of charge. A processor obtains a measured battery current from a battery current sensor and a measured total current from a current sensor at a battery center that supplies the current directly to the one or more loads, obtain a generator current or a direct current-to-direct current (DC-DC) converter current from the measured total current and the battery current, determine a maximum available current as a sum of a maximum available battery current and either the generator current or the DC-DC converter current, and stop a supply of the current to one or more of the one or more loads based on a result of a comparison of the maximum available current with current draw by the one or more loads.Type: GrantFiled: September 2, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chandra S. Namuduri, Suresh Gopalakrishnan, Lyall Kenneth Winger
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Patent number: 11970154Abstract: A control system for a vehicle includes wheel slip control loop including a wheel slip controller configured to control wheel slip based on wheel speed measured at one or more wheels of the vehicle. A wheel flare control loop includes a wheel flare controller configured to control wheel flare based on transmission output speed at an output of a transmission of the vehicle. A controller is configured to select one of the wheel slip controller to control the wheel slip and the wheel flare controller to control the wheel flare during operation of the vehicle.Type: GrantFiled: September 3, 2021Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jie Yang, Robert L. Morris, Shaochun Ye, Vino Mathew
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Patent number: 11972645Abstract: A system includes a first most probable cause (MPC) module, a second MPC module, and an integrated MPC module. The first MPC module is configured to determine a first most probable cause of an issue on a vehicle based on at least one service procedure for the vehicle. The second MPC module is configured to determine a second most probable cause of the issue based on repair data for other vehicles. The integrated MPC module is configured to determine an integrated most probable cause of the issue based on the first and second most probable causes.Type: GrantFiled: May 28, 2021Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shengbing Jiang, Zifeng Peng, Chaitanya Sankavaram, Michael B. Gastmeier, Brian Buck, John J. Flood, IV
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Publication number: 20240135795Abstract: Method of using a vehicle to alert to potential risks includes determining that a user of the vehicle will be absent; determining an estimated absence time; and sending an alert to authorities, via a control system, if the user does not return within the estimated absence time. The method may include receiving the estimated absence time from the user, or the control system of the vehicle determines the absence and the estimated absence time. The user may define the absence and input the estimated absence time through a centralized location, such that the alert is sent from the centralized location. Following expiration of the estimated absence time, detecting a pedestrian near the vehicle, and then playing a pre-recorded emergency message through speakers, such that the pedestrian is made aware of the pre-recorded emergency message. Vehicle lights/horn may operate to guide the user, possibly in decaying fashion.Type: ApplicationFiled: October 20, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Russell A. Patenaude, Michael A. Gutierrez
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Publication number: 20240131570Abstract: Presented are hybrid fixture assemblies with integrated additive manufactured features, methods for making/using such fixtures, and manufacturing systems equipped with such fixtures. A manufacturing fixture assembly includes a fixture support frame formed, at least in part, from a first material, and a fixture support shell formed, at least in part, from a second material distinct from the first material. The support frame, which seats on/mounts to a work surface, includes a skeletal substructure with multiple male connectors projecting therefrom. The skeletal substructure contains multiple first frame walls that are removably intermeshed with multiple second frame walls in a collapsible format. The support shell includes a support surface that holds a workpiece, an interface surface that abuts the skeletal substructure, and multiple female connectors that project from the interface surface.Type: ApplicationFiled: October 19, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Andrew Thomas Cunningham, Ali Shabbir, Hassan Ajami, Ibrahim El Khatib
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Publication number: 20240136533Abstract: The present disclosure provides electrode assemblies for safe nondestructive testing in ambient conditions. In certain variations, the electrode assembly includes a current collector and a non-reactive lithium mimic material disposed on or near one or more surfaces of the current collector or embedded in the current collector. In other variations, the electrode assembly includes include a current collector, a lithium metal material disposed on or near one or more surfaces of the current collector or embedded in the current collector to form an electrode assembly, and a non-conductive pouch holding the electrode assembly.Type: ApplicationFiled: October 23, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Robin JAMES, Megan E. MCGOVERN, Dmitriy BRUDER, Whitney Ann POLING, Erik Damon HUEMILLER, Shaomao XU, Caleb REESE
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Publication number: 20240135819Abstract: An object detection and predictive motion warning system for a vehicle. The system may include a plurality of weight sensors configured to generate weight values in response to pressure being applied thereto and an object detection and predictive motion controller configured to detect an object within the vehicle and to predict a motion assessment for the object as function thereof.Type: ApplicationFiled: October 19, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Umer Khalid, Russell A. Patenaude
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Publication number: 20240132056Abstract: Methods and systems are provided for controlling alignment of a vehicle during parking that include obtaining sensor data via one or more sensors of a vehicle, as to passenger occupancy of the vehicle and as to a parking location for the vehicle; identifying, via a processor of the vehicle, which passenger seats of the vehicle are occupied, based on the sensor data; identifying, via the processor, the parking location based on the sensor data; and determining, via the processor, an offset for parking of the vehicle in the parking location, based at least in part on which passenger seats of the vehicle are occupied.Type: ApplicationFiled: October 18, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Patrick Giancarlo Gabriel DiGioacchino, Utkarsh Saini, Fred W. Huntzicker
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Publication number: 20240131991Abstract: Methods and systems are provided for displaying a scene for a vehicle towing a trailer. A method includes: determining, by the processor, an angle of the trailer relative to the vehicle; determining, by the processor, a simulated trailer based on the angle of the trailer; determining, by the processor, a projection matrix based on the simulated trailer; generating, by the processor, scene data based on image data from a camera of the vehicle and image data from a camera of the trailer using the projection matrix; and generating, by the processor, display data to display the scene to an occupant of the vehicle based on the scene data.Type: ApplicationFiled: October 23, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Yovav Cohen Tene
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Publication number: 20240136612Abstract: An apparatus including a battery cell includes an electrode stack. The electrode stack includes an anode electrode, a cathode electrode, and a separator disposed between the anode electrode and the cathode electrode. The apparatus further includes an enclosure configured for encasing and mechanically protecting the electrode stack. The apparatus further includes an electrolyte. The apparatus further includes a thermally conductive and electrically insulated inert fill material located between the electrode stack and the enclosure configured for providing a thermally conductive connection between the electrode stack and the enclosure.Type: ApplicationFiled: October 19, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Liang Xi, Andrew P. Oury, Li Yang, SriLakshmi Katar
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Publication number: 20240135756Abstract: Systems and methods are provided for vehicular computation management. The system includes, onboard a vehicle, electric control units (ECUs), a battery, a communication system, and a controller. The controller is configured to monitor energy consumption, operate the vehicle as a computational hub when the energy consumption is less than a threshold, including providing computational resources to an external node, determine whether the vehicle has excess energy and computational capacity when the energy consumption is equal to or greater than the threshold, including determining a usage of each of the ECUs and determining an energy consumption of tasks executing thereon, and operate the vehicle as a hybrid computational hub when the vehicle has excess energy and computational capacity, including providing excess computational capacity of the ECUs to the external node.Type: ApplicationFiled: October 23, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Venkata Naga Siva Vikas Vemuri, Chandra S Namuduri, Andrew J. MacDonald, Omer Tsimhoni, Ashhad Mohammed
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Publication number: 20240136507Abstract: An electroactive material for an electrochemical cell that cycles lithium ions is provided. The electroactive material includes a plurality of atomic layers and a plurality of cations disposed between the atomic layers. The plurality of atomic layers includes an atom selected from the group consisting of: silicon, germanium, boron, and combinations thereof. The plurality of cations is selected from the group consisting of: calcium, magnesium, zinc, copper, nickel, potassium, sodium, and combinations thereof. A ratio of the cations to atoms that define the atomic layer may be less than about 1:2.Type: ApplicationFiled: October 20, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffrey David CAIN, Nicholas Paul William PIECZONKA, Anil K. Sachdev
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Publication number: 20240136534Abstract: An electrode assembly includes a current collector, a lithium metal foil, and an alloyed interface that chemically binds the current collector and the lithium metal foil. In certain variations, the alloyed interface includes an intermediate layer disposed between the current collector and the lithium metal foil, a portion of the current collector adjacent to the intermediate layer is alloyed with the indium, gallium, or alloy of indium and gallium defining the intermediate layer, and a portion of the lithium metal foil adjacent to the intermediate layer is alloyed with the indium, gallium, or alloy of indium and gallium defining the intermediate layer. In other variations, the alloyed interface includes a copper-lithium alloy.Type: ApplicationFiled: October 20, 2022Publication date: April 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Diptak BHATTACHARYA, Caleb REESE, Thomas E. MOYLAN, Andrew Clay BOBEL, Anil K. SACHDEV
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Patent number: 11967851Abstract: A method for adapting a usage level of a battery pack includes measuring cell sense data for each respective battery cell using a cell sense circuit, the cell sense data including a cell voltage, current, and temperature. The method includes processing the cell sense data, for each respective battery cell, through multiple battery state functions of a controller to generate numeric cell degradation values (CDVs). The battery state functions are calibrated relationships of the cell sense data to predetermined battery fault conditions. Thereafter, the method includes automatically adapting the usage level of the battery pack during operation of the battery pack, via the controller, based on the numeric CDVs. An electric powertrain system includes the battery pack, cell sense circuit, a rotary electric machine, and a controller configured to execute the above method.Type: GrantFiled: February 25, 2021Date of Patent: April 23, 2024Assignee: GM Global Technology Operations LLCInventors: James C. Gibbs, Andrew M. Zettel, Calvin Goodman, Rajesh Nagappala
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Patent number: 11964659Abstract: One general aspect includes a system having a memory configured to include one or more executable instructions and a processor configured to execute the executable instructions, where the executable instructions enable the processor to estimate a rate of change of a hitch angle between a trailer and vehicle, the estimated rate of change of the hitch angle being based on a turn angle for a plurality of rear wheels of the vehicle as well as a speed of the vehicle.Type: GrantFiled: June 3, 2020Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sepehr Pourrezaei Khaligh, Akram M. Abdel-Rahman
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Patent number: 11965516Abstract: A compressor system includes a compressor housing including an inlet opening and a diffuser outlet, the compressor housing includes a first recirculation passage extending from the diffuser outlet to a mounting face of the compressor housing. The compressor housing defines a cavity that receives a compressor wheel. An inlet adapter is mounted to the mounting face of the compressor housing and the inlet adapter includes a second recirculation passage in communication with the first recirculation passage in the compressor housing and with a compressor air inlet passage of the inlet adapter. A recirculation valve is mounted to the inlet adapter and is disposed in communication with the second recirculation passage for providing a selective connection of the first recirculation passage to the compressor air inlet passage.Type: GrantFiled: June 26, 2023Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Jordan Bucklew Schwarz
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Patent number: 11964567Abstract: A propulsion control system has an electric motor configured to generate an axle torque in response to a final torque command, and has a motor constraint that specifies a maximum torque. A motor controller is configured to generate the final torque command in response to an intermediate torque command and a distributed power limit command. An open-loop function in supervisory controller is configured to calculate an initial torque command vector in response to a driver torque command, calculate an intended operating vector by mapping the initial torque command vector into a multidimensional power space, generate the intermediate torque command by clipping the intended operating vector in response to the motor constraint, generate a constrained command vector by clipping the intended operating vector in response to the motor constraint and a plurality of energy storage constraints, and generate the distributed power limit command in response to the constrained command vector.Type: GrantFiled: January 19, 2021Date of Patent: April 23, 2024Assignee: GM Global Technology Operations LLCInventors: Rashad K. Maady, Krunal P. Patel, Matthew Yard, Kristopher D. Lang
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Patent number: 11967722Abstract: A battery includes positive and negative current collectors and a plurality of bipolar electrodes arranged in a stack between the positive and negative current collectors. The positive and negative current collectors and the stack of the plurality of bipolar electrodes are folded in an S-shape.Type: GrantFiled: December 23, 2021Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Qili Su, Zhe Li, Meiyuan Wu, Mengyan Hou, Haijing Liu
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Patent number: 11967765Abstract: An antenna system operates in a hybrid coplanar waveguide and rectangular waveguide mode. A slot array with a conductive layer is disposed on a substrate and defines a coplanar waveguide joining a number of side slots arranged in a line forming the slot array. Another substrate is spaced apart from the substrate and a ground plane is defined thereon. A defined volume waveguide is disposed between the substrates. The array is configured to radiate a radiation pattern in a hybrid mode that results from a combination of the slot array and the defined volume waveguide. The side slots may be elliptical in shape for side lobe level reduction.Type: GrantFiled: July 28, 2020Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Hanseung Lee, Igal Bilik
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Patent number: 11967219Abstract: A method of notifying an owner of a lost item in a vehicle having a vehicle compartment is provided. The method comprises providing at least one sensor to sense the lost item in the vehicle compartment. The method further comprises sensing the lost item on a point relative to a spherical coordinate system to define a sensed item data and determining a position of the lost item in cartesian coordinates based on the sensed item data to define a position data. The method further comprises translating the sensed item data and the position data for visualization of the lost item to define an item image of the lost item relative to the vehicle compartment, and updating an inventory list of lost objects to include the lost item with the item image. The method further comprises identifying the owner of the lost item by way of a perception algorithm, providing notification to the owner of the lost item, and providing viewable access of the item image such that the image is viewed by the owner of the lost item.Type: GrantFiled: January 28, 2022Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ke Liu, Jingyan Wan, Ron Hecht, Omer Tsimhoni
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Patent number: 11967721Abstract: A battery cathode includes: a current collector; and a coating applied to the current collector, the coating including: conductive carbon; polyvinylidene fluoride binder polymer; acid-functionalized dispersant polymer; and electrochemically active layered metal oxide.Type: GrantFiled: November 23, 2022Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R Frieberg, Mengyuan Chen, Roland J. Koestner, Xiaosong Huang
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Patent number: 11965978Abstract: A calibration pipeline for 6DoF alignment parameters for an autonomous vehicle includes an automated driving controller instructed to receive inertial measurement unit (IMU) poses and final radar poses and determine smoothened IMU poses from the IMU poses and smoothened final radar poses from the final radar poses. The automated driving controller aligns the smoothened IMU poses and the smoothened final radar poses with one another to create a plurality of radar-IMU A, B relative pose pairs. The automated riving controller determines a solution yielding a threshold number of inliers of further filtered radar-IMU A, B relative pose pairs, randomly samples the further filtered radar-IMU A, B relative pose pairs with replacements several times to determine a stream of filtered radar-IMU A, B relative pose pairs, and solves for a solution X for the stream of filtered radar-IMU A, B relative pose pairs.Type: GrantFiled: October 27, 2021Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Kamran Ali, Wende Zhang, Fan Bai
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Patent number: 11965452Abstract: A method for detecting a contaminant in a vehicle coolant system during service includes contacting a chromophore impregnated strip and a heat transfer fluid sample, where the chromophore impregnated strip includes a complexing agent selected to form a complex with the contaminant that causes a color change in the chromophore impregnated strip and thereby indicates the presence of the contaminant in the heat transfer fluid sample.Type: GrantFiled: January 25, 2023Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Thomas J. Chapaton, Nicholas Paul William Pieczonka, William Reginald Collin, Ratandeep Singh Kukreja
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Patent number: 11963594Abstract: A cabinet includes a locking system having a cabinet body including a bottom wall, a top wall, a first side wall, a second, opposing side wall, and a third side wall connected to the bottom wall, the top wall, and between the first side wall and the second side wall. At least one door is pivotally mounted to the cabinet body. The at least one door, bottom wall, top wall, first side wall, second side wall, and third side wall define a storage volume. A lock mechanism including a latch and release element is pivotally mounted inside the storage volume. The latch and release element is accessible only in the storage volume. A lock opening extends through the cabinet body at the lock mechanism. A lock element is insertable through the lock opening. The lock element includes a latch receiver that is selectively engageable by the latch and release element.Type: GrantFiled: August 3, 2021Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: George Floarea, David Akl, Jonathan Wood
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Patent number: 11964654Abstract: A vehicle, and a system and method for operating the vehicle. The system includes a sensor and a processor. The sensor obtains a detection set related to an object at a range from the vehicle. The processor is configured to select a convolution path for the detection set based on a range of the object, wherein the convolution path includes one or more convolutional layers and a number of the one or more convolutional layers is dependent on the range of the object, apply the one or more convolutional layers of the selected convolution path to the detection set to generate a filtered data set, and operate the vehicle with respect to the object using the filtered data set.Type: GrantFiled: October 30, 2020Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Oded Bialer, Amnon Jonas
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Publication number: 20240129366Abstract: A system for managing communication between a vehicle and a broker module includes a telematics unit connected to the vehicle. The telematics unit is configured to carry out wireless data communications according to a publish-subscribe messaging protocol. A command unit is in communication with the telematics unit, the command unit having a processor and tangible, non-transitory memory on which instructions are recorded. The telematics unit is configured to establish a network connection with the broker module. The command unit is adapted to create a dynamic retry delay process for the network connection by varying a connection retry delay time based on a plurality of failure categories and an operation mode of the vehicle. The plurality of failure categories each corresponds to a respective failure in the network connection.Type: ApplicationFiled: October 13, 2022Publication date: April 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Venkata Naga Siva Vikas Vemuri, Scott T. Droste, Yu-Kung Ke, Andrew J. MacDonald
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Patent number: D1023855Type: GrantFiled: May 10, 2022Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jose E. Gonzalez, Robert F. Hunwick
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Patent number: D1023881Type: GrantFiled: December 1, 2022Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Louis D. Thole, Gary W. Ruiz, Jingxu Zhan, Raphael M. Molina
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Patent number: D1023882Type: GrantFiled: January 27, 2023Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Tyler L. H. Moffett
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