Patents Assigned to GM
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Publication number: 20250039778Abstract: Herein, a technology that facilitates the selection of offload-opportunity wireless networks that respects personal data is discussed. The technology includes tracking a wireless network environment of a parked vehicle and selecting qualifying candidate wireless networks to be an offload-opportunity wireless network. The technology further includes joining the selected wireless network in response to a user's affirmative confirmation.Type: ApplicationFiled: July 24, 2023Publication date: January 30, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lakshmi V. Thanayankizil, James J. Kelly, III, Christopher J. Wieland
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Publication number: 20250035462Abstract: A method of tracking objects relative to a vehicle. The method includes identifying a route object list associated with a predetermined vehicle route. The route object list includes a list of objects to be taken on the vehicle for the predetermined vehicle route. At least one object associated with the vehicle with at least one sensor on the vehicle is identified to determine a current object list for the vehicle. The current object list is compared to the route object list associated with the predetermined route to identify at least one missing object from the current object list when compared to the route object list. A notification is provided to a user of the at least one missing object.Type: ApplicationFiled: July 25, 2023Publication date: January 30, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Benjamin Tran, Matthew E. Gilbert-Eyres, James Doherty, Kevin W. Owens
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Patent number: 12210067Abstract: A system for monitoring a battery of a vehicle includes a current measuring circuit to measure a current of the battery comprising a plurality of cell groups connected to each other. A voltage measuring circuit is to measure voltages of the cell groups. A controller is configured to define a plurality operating regions in a current profile of the battery during a drive cycle of the vehicle. The controller is configured to filter the current and the voltages measured in the operating regions and calculate internal resistances of the cell groups in the operating regions based on the filtered current and voltages. The controller is configured to generate statistical values based on the internal resistances of the cell groups and determine whether one or more of the cell groups is faulty based on differences between maximum and minimum values of one of the statistical values across the cell groups.Type: GrantFiled: November 1, 2021Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chaitanya Sankavaram, Calvin Wang, Ciro A. Spigno, Garrett Michael Seeman
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Patent number: 12209721Abstract: A solid state steerable illumination system for a vehicle includes a first light source configured to generate light having a first wavelength, a first liquid crystal polarized grating (LCPG) device arranged to receive light from the first light source, and a vehicle control module configured to supply drive voltages to the first light source and the first LCPG device to generate a beam of light, wherein an output orientation angle of the beam of light is variable according to drive voltage applied to the first LCPG device.Type: GrantFiled: October 23, 2023Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Tzvi Philipp, Brenton John Sirowatka
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Patent number: 12211984Abstract: A thermal device comprises a first layer of a non-metallic material that is a good conductor of heat and electricity, that includes a first terminal and a second terminal, and that has a first surface and a second surface; a metallic material disposed on the first surface of the first layer; a first plastic layer disposed on the metallic material; and a second plastic layer disposed on the second surface of the first layer. The first plastic layer and the second plastic layer include a plastic material that is a good conductor of heat.Type: GrantFiled: March 17, 2021Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Dewen Kong, Dave G. Rich, Lyall K. Winger, Meiyuan Wu, Jingyuan Liu, Haijing Liu
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Patent number: 12213291Abstract: A power control system for an electric vehicle includes a power inverter comprising a switch module including a plurality of power switches, a controller board, and a gate driver board in communication with the controller board and configured to drive gates of the plurality of switches. A first housing is made of polymer composite, encloses the power inverter, defines a first cooling cavity in thermal communication with a first surface of the switch module, and encapsulates a portion of at least one of the switch module, the controller board and the gate driver board.Type: GrantFiled: August 12, 2022Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Anthony Michael Coppola, Erik Brandon Golm, Alireza Fatemi, Ming Liu, Seongchan Pack, Muhammad Hussain Alvi, Ronald O. Grover, Jr.
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Patent number: 12212227Abstract: 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: GrantFiled: July 15, 2022Date of Patent: January 28, 2025Assignee: GM Global Technology Operations LLCInventors: Hong Nguyen, Michael Z. Pieszala, Yilun Luo, Khorshed Mohammed Alam, Sanjeev M. Naik, Benjamin S. Ngu
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Patent number: 12213217Abstract: A system includes a laminated glass comprising a protective layer disposed between two sheets of glass. The system includes a resistive conductive coating made of a first electrically conducting material disposed on a surface of one of the two sheets of glass facing the protective layer. The system includes a first set of electrodes made of a second electrically conducting material disposed on the resistive conductive coating. The system includes a second set of electrodes made of a third electrically conducting material disposed on the first set of electrodes. The second set of electrodes is electrically connected to the first set of electrodes, respectively. The third electrically conducting material of the second set of electrodes is more ductile than the second electrically conducting material of the first set of electrodes.Type: GrantFiled: August 24, 2021Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gerard Parij, David G. Meller
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Patent number: 12209876Abstract: A system for routing a vehicle based on roadway characteristics includes a global navigation satellite system (GNSS) for determining a geographical location of the vehicle, a vehicle communication system for communicating with at least one external system, and a vehicle controller in electrical communication with the GNSS and the vehicle communication system. The vehicle controller is programmed to determine a vehicle length and a vehicle width, receive a navigation request from an occupant of the vehicle, and determine a navigation route using at least the GNSS and the vehicle communication system in response to receiving the navigation request, where the navigation route is based at least in part on the vehicle length and the vehicle width.Type: GrantFiled: December 2, 2022Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Donald K. Grimm, Chuan Li, Talus Park
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Patent number: 12208756Abstract: Examples described herein provide a method for managing current in a low voltage bus of a vehicle. The method includes receiving an electrical load request for an electrical load of the vehicle. The method further includes, prior to enabling the electrical load, adjusting a current provided by a direct current (DC)/DC converter for a period of time based at least in part on the electrical load. The method further includes, responsive to expiration of the period of time, enabling or disabling the electrical load based at least in part on the electrical load request.Type: GrantFiled: February 9, 2023Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mohamed Kamel, Suresh Gopalakrishnan
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Patent number: 12208801Abstract: A system for limiting performance inconsistences of an electric vehicle during a race or other circumstance when consistent, high performance output is desired, such as by enabling a driver to selectively engage endurance and qualify drive modes to control a supply of electrical power used for driving the electric vehicle.Type: GrantFiled: September 28, 2022Date of Patent: January 28, 2025Assignee: GM Global Technology Operations LLCInventors: Sean M. Welch, Michael A. Ryba, Sami Ahmed, Michael G. Petrucci, Brandon S. Vivian
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Patent number: 12208778Abstract: A system configured to assess health of a rotor of a friction brake configured to brake a wheel of a vehicle. The system includes a brake control module configured to actuate the friction brake at a target pressure sufficient to maintain the vehicle at a crawl speed. A diagnostic module is configured to, while the vehicle is at the crawl speed and the friction brake is at the target pressure: record rotational speed of the wheel; identify a change in the rotational speed of the wheel; and determine whether the change in the rotational speed of the wheel exceeds a predetermined threshold; generate a notification indicating that the rotor of the friction brake configured to brake the wheel is healthy; and generate a notification indicating that the rotor requires attention.Type: GrantFiled: December 8, 2022Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Alaeddin Bani Milhim
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Patent number: 12211362Abstract: 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: GrantFiled: October 21, 2022Date of Patent: January 28, 2025Assignee: GM Global Technology Operations LLCInventors: Russell A. Patenaude, Michael A. Gutierrez
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Patent number: 12208604Abstract: A structural component for a vehicle and a process and system for forming the structural component. A first cavity is formed in a first hollow passage between a first bladder and an interior surface of a component forming the structural component. A first structural reinforcement layer is formed in the first cavity by filling the first cavity with a first polymer resin and foaming the first polymer resin to form a first polymer resin foam. A second cavity is formed in the first hollow passage and a second structural reinforcement layer is formed in the second cavity by filling the second cavity with a second polymer resin and foaming the second polymer resin to form a second polymer resin foam.Type: GrantFiled: August 9, 2022Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Nilesh D. Mankame, Ruoyu Sun, Girish Krishnan
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Patent number: 12213261Abstract: A protective enclosure for an electronic control unit (ECU) to minimize risk of environmental intrusion includes a base portion, a first housing, a second housing, a first gasket, a vibration attenuating insert, a first electrical connector, a second electrical connector, a third electrical connector, and a tether. The first housing is sealably assembled onto the base portion, and the first housing and the base portion define a first chamber to house the telematics module. The second housing and the base portion define a second chamber. The tether attaches the base portion and the second housing.Type: GrantFiled: June 27, 2023Date of Patent: January 28, 2025Assignee: GM Global Technology Operations LLCInventors: Christopher L. Oesterling, Bernard V. Laurus, Donald Eng, Jarvis Chau, Michael A. Celotto
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Patent number: 12212190Abstract: A method to suppress tonal noises over a wide speed range in an alternating current electric machine by current injection and voltage injection is provided. The method includes, within a computerized processor, monitoring a position sensor measuring a current electric machine frequency of the electric machine, comparing the current electric machine frequency to a sampling frequency of the position sensor, and operating one of a current injection mode and a voltage injection mode to suppress the tonal noises in the electric machine based upon the comparing.Type: GrantFiled: May 13, 2022Date of Patent: January 28, 2025Assignee: GM Global Technology Operations LLCInventors: Vinod Chowdary Peddi, Song He
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Publication number: 20250026174Abstract: A vehicle includes a duct in fluid communication with a cabin of the vehicle and a heating, ventilating, and air conditioning (HVAC) system including a housing and an outlet configured to expel conditioned air from the housing, the HVAC system movable relative to the vehicle between an engaged state having the outlet fluidly coupled with the duct and a disengaged state having the outlet decoupled from the duct.Type: ApplicationFiled: July 20, 2023Publication date: January 23, 2025Applicant: GM Global Technology Operations LLCInventors: Kenneth Wonseok Choi, Vincent Keanan Traina, Thiago Canola Afonso
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Publication number: 20250029026Abstract: A system and method for resource sharing among vehicle fleets using a bidding mechanism is presented. A fleet scheduler generates a bidding proposal for one or more unassigned tasks associated with a first fleet of vehicles, where the bidding proposal is associated with a second fleet of vehicles associated with an excess quantity of resources. An online platform receives the bidding proposal for the one or more unassigned tasks and determines, using the bidding proposal and based on an auctioning scheme, one or more winning bids. The one or more winning bids includes assigning the one or more unassigned tasks from the first fleet of vehicles to the second fleet of vehicles with the excess quantity of resources.Type: ApplicationFiled: July 19, 2023Publication date: January 23, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ariel Telpaz, Zahy Bnaya, Refael Blanca, Nadav Baron, Neeraj R. Gautama, Laura Chmielewski
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Publication number: 20250026343Abstract: A cruise control algorithm including receiving a set speed and a minimum speed, generating a first control signal indicative of a first engine torque request, controlling a vehicle to maintain the set speed in response to the first engine torque request, detecting a vehicle pitch, detecting the vehicle speed, generating a second control signal indicative of the first engine torque request in response to the vehicle pitch being greater than zero degrees and the vehicle speed being greater than the minimum speed, controlling the vehicle to maintain a first engine torque in response to the first engine torque request, generating a third control signal indicative of a second engine torque request in response to the vehicle pitch being greater than zero degrees and the vehicle speed being less than the minimum speed, and controlling the vehicle to maintain the minimum speed in response to the third engine torque request.Type: ApplicationFiled: July 20, 2023Publication date: January 23, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Decebal Catalin Barbu
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Patent number: D1059230Type: GrantFiled: November 9, 2022Date of Patent: January 28, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Louis D. Thole, Gary W. Ruiz, Jingxu Zhan, Raphael M. Molina