Patents Assigned to GM Global Technology Operation LLC
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INTEGRATED PASSIVE-TYPE SEPARATOR ASSEMBLIES FOR SEGREGATING HYDROGEN AND WATER IN FUEL CELL SYSTEMS
Publication number: 20240145735Abstract: Presented are passive-type separator assemblies for separating hydrogen and water in fuel cell systems (FCS), methods for making/using such separators, and FCS-powered vehicles equipped with such separators. A liquid-gas separator assembly for an FCS includes an outer housing with an internal compartment, a first port fluidly connecting this internal compartment to an FCS transfer conduit to receive FCS exhaust, and a second port fluidly connecting the internal compartment to an FCS exhaust manifold to transfer water separated from the exhaust. A third port fluidly connects the internal compartment to an FCS hydrogen inlet to transfer hydrogen extracted from the exhaust. A first chamber located inside the internal compartment fluidly connects the first and second ports and evacuates extracted water from the compartment. A second chamber located inside the internal compartment above the first chamber fluidly connects the first chamber to the third port and evacuates extracted hydrogen from the compartment.Type: ApplicationFiled: November 1, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sean M. Commet, Zeyu Shang, Dean Kostadinovski -
Publication number: 20240142268Abstract: A vehicle management system for managing access of an application on a vehicle to a wireless network external to the vehicle. The system may include a network usage controller configured for determining a data usage status for the application to be one of allowed and blocked and a network access manager configured for storing a route for the application to access a server of the wireless network when the data usage status is allowed and for erasing or disabling the route when the data usage status is blocked.Type: ApplicationFiled: October 28, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Sandeep Vig
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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: xLi2MnO3·(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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Publication number: 20240140426Abstract: A driver assistance system in a host vehicle is provided. The driver assistance system is configured to: track a plurality of obstacles in front of the host vehicle; receive host vehicle driver selection of a follow operating mode for the driver assistance system via a human machine interface (HMI); identify a candidate lead vehicle from the plurality of tracked obstacles; provide, via the HMI, a line of sight view in front of the host vehicle that includes the candidate lead vehicle; receive host vehicle driver selection of the candidate lead vehicle as a lead vehicle to follow; adjust a desired trajectory calculated by the driver assistance system to obtain and maintain a desired headway between the lead vehicle and the host vehicle; and generate control signals for vehicle actuators to control the host vehicle to follow the desired trajectory to follow the lead vehicle.Type: ApplicationFiled: October 27, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Milad Jalaliyazdi, Reza Zarringhalam, Constandi John Shami, Benjamin L. Williams, Ethan Thomas Dietrich, Crystal J. Nassouri, Michael J. Reinker
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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: 20240140256Abstract: A method of determining remaining charge time in a rechargeable energy storage system (RESS) of an electric vehicle (EV) having an auxiliary system includes determining available amount of energy in the RESS when the EV is stationary. The method also includes determining amounts of RESS energy and time required to achieve auxiliary system steady state operation and remaining RESS energy to maintain auxiliary system steady state operation after the steady state is achieved. The method additionally includes determining time left for maintaining the steady state operation based on the amount of remaining RESS energy and RESS power consumption required for maintaining the steady state operation. Furthermore, the method includes determining the remaining RESS charge time based on time to achieve and amount of time left to maintain the steady state operation and triggering a signal indicative of the remaining charge time.Type: ApplicationFiled: November 2, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Amirthamshan Murugesapillai, Orson S. Wang, Tommy Sloan, Orlando Ward-Santos
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Publication number: 20240145781Abstract: An electrode for an electrochemical cell includes an electroactive material and an electrolyte. The electroactive material is represented by: xLi2MnO3·(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 electrolyte includes a solvent system that includes a solvent and greater than or equal to about 1 vol. % to less than or equal to about 90 vol. % of a diluent. The diluent includes tetrafluoropropyl ether (TTE), 2,2,2-trifluoroethanol (TFE), or a combination of tetrafluoropropyl ether (TTE) and 2,2,2-trifluoroethanol (TFE).Type: ApplicationFiled: October 28, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lei WANG, Shubha NAGESWARAN, Gongshin QI
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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: 20240140449Abstract: A system for planning motion of a vehicle includes a controller having a processor and tangible, non-transitory memory on which instructions are recorded. The vehicle is capable of an automated driving operation. A planning module is executable by the controller to generate a vehicle trajectory constrained by a set of planning parameters. During a degraded driving situation, an adjustment module is executable by the controller to generate at least one adjusted parameter in the set of planning parameters. The controller is adapted to register occurrence of the degraded driving situation when the planning module is unable to generate a feasible path for the vehicle constrained by the set of planning parameters. The planning module is adapted to generate a modified trajectory plan based on the at least one adjusted parameter, with the automated driving operation being based on the modified trajectory plan during the degraded driving situation.Type: ApplicationFiled: October 26, 2022Publication date: May 2, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Rasoul Salehi, Sayyed Rouhollah Jafari Tafti
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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: 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: 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: 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: D1024864Type: GrantFiled: August 23, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Leilei Jiao
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Patent number: D1024885Type: GrantFiled: May 10, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Robert F. Hunwick
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Patent number: D1024887Type: GrantFiled: July 25, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Jinho Seo
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Patent number: D1024889Type: GrantFiled: August 3, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Ramesh R. Gound
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Patent number: D1024893Type: GrantFiled: March 23, 2022Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Adam K. Scenna
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Patent number: D1025417Type: GrantFiled: January 11, 2023Date of Patent: April 30, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Minjae Shin