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公开(公告)号：US20250121768A1
公开(公告)日：2025-04-17
申请号：US18487598
申请日：2023-10-16
Applicant: GM Global Technology Operations LLC
Inventor： Manoj Kumar Sharma , Akilesh Rajavenkatanarayanan , Joseph F. Szczerba
Abstract: A system for providing a message on an external display of a vehicle includes a plurality of onboard sensors adapted to collect data related to an environment surrounding the vehicle and objects within the environment surrounding the vehicle, a system controller, in communication with the plurality of onboard sensors, and adapted to receive, from the plurality of onboard sensors, data related to the environment surrounding the vehicle and objects within the environment surrounding the vehicle and identify current situational characteristics of the vehicle that require explanation to third parties within the environment surrounding the vehicle, and an external display in communication with the system controller, the system controller further adapted to display, via the external display, an explanation message related to the current situational characteristics of the vehicle for third parties within the environment surrounding the vehicle.
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公开(公告)号：US20250121691A1
公开(公告)日：2025-04-17
申请号：US18486585
申请日：2023-10-13
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Martin E. Rosalik, Jr. , Todd M. York , Tanvi Nagarale , Brent S. Gagas , Brian A. Welchko , Wei Wang
IPC: B60L3/00 , B60L3/12 , G01R19/165
Abstract: Vehicles and related systems and monitoring methods are provided for detecting a loss of isolation on one side of a power converter. One method involves monitoring a normalized voltage input to a power conversion module coupled to the electric motor, in response to the normalized voltage exceeding a diagnostic activation threshold, determining a first number of instances of a range between successive extremas of the normalized voltage exceeding a loss of isolation range threshold over a diagnostic window of time, and automatically initiating a remedial action when the first number is greater than a loss of isolation detection threshold.
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公开(公告)号：US12277861B2
公开(公告)日：2025-04-15
申请号：US18189414
申请日：2023-03-24
Applicant: GM Global Technology Operations LLC
Inventor： Bo Yu , Brent Navin Roger Bacchus , Jiabin Shen , Yuan Zhang , Wenyuan Qi
Abstract: A method can be used to provide smart notifications to avoid collisions while the vehicle maneuvers in a tight structural environment, such as a home garage or an underground parking lot. The method includes receiving historical vehicle-trajectory data. The historical vehicle-trajectory data includes the location and the heading of the vehicle for each of the plurality of historical trajectories along the structure. The method further includes clustering the plurality of historical trajectories of the vehicle along the structure by types of maneuvers to generate a plurality of trajectory clusters. The method also includes creating a probability distribution bitmap using the plurality of trajectory clusters and creating a topographic map based on the probability distribution bitmap.
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74.发明授权公开(公告)号：US12276588B2
公开(公告)日：2025-04-15
申请号：US18084091
申请日：2022-12-19
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Dmitriy Bruder , Robin James , Megan E. McGovern , Robert H. Dietze, Jr. , Christopher Brady
Abstract: A system for measuring effects of vibration on rheometric properties of a fluid sample. The system includes a receptacle configured to hold the fluid sample and receive a probe extending from a rheometric measuring device. A vibration generator is configured to vibrate the fluid sample within the receptacle while the rheometric measuring device measures the rheometric properties of the fluid sample. A vibration control module is configured to control frequency at which the vibration generator vibrates.
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公开(公告)号：US12276332B1
公开(公告)日：2025-04-15
申请号：US18493970
申请日：2023-10-25
Applicant: GM Global Technology Operations LLC
Inventor： Shun Xun Zhang , Bradly Trine
Abstract: A torque transfer member having a strengthened fluid port and a method of making the same. The torque transfer member includes a body member formed of a steel alloy and is rotatable about a rotational axis. The body member includes an external surface, an interior surface defining a fluid passageway extending through the body, and a fluid port in communication with the fluid passageway. The fluid port includes a port surface connecting the external surface of the body to the interior surface of the fluid passageway. A compressive load above a yield point of the steel alloy is applied to the port surface by using a steel mandrel having a hardness of greater than 60 HRC. The body member is subjected to a heat treated process to form a hardened case after the compressive load is removed from the port surface.
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Patent Agency Ranking
公开(公告)号：US12276010B2
公开(公告)日：2025-04-15
申请号：US18064980
申请日：2022-12-13
Applicant: GM Global Technology Operations LLC
Inventor： Qigui Wang , Liang Wang , Daniel J. Wilson , Dale A. Gerard , Devin R. Hess , Paul Boone
Abstract: An aluminum alloy for high pressure die casting of ultra-large vehicle body structures. The aluminum alloy includes about 4.00 to about 12.00 weight percent silicon (Si); about 0.20 weight percent maximum (Max) copper (Cu); about 0.40 weight percent Max magnesium (Mg); about 0.20 to about 0.60 weight percent iron (Fe); about 1.00 weight percent Max manganese (Mn); about 0.50 weight percent Max zinc (Zn); about 0.02 weight percent Max strontium (Sr); about 0.50 weight percent Max cerium (Ce); about 0.01 weight Max percent boron (B); and a remaining weight percent aluminum (Al). The aluminum alloy provides an as-cast yield strength of greater than 130 Megapascals (MPa), ultimate tensile strength of greater than 260 MPa, and elongation of greater than 6% without the need for heat treatment.
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公开(公告)号：US12275350B2
公开(公告)日：2025-04-15
申请号：US17719919
申请日：2022-04-13
Applicant: GM Global Technology Operations LLC
Inventor： Woo-Sung Bae
Abstract: The present disclosure is directed to an automotive component and method of finishing such component including a polymer substrate, a tinted primer disposed over a first surface of the polymer substrate, a semi-transparent metallic coating disposed over the tinted primer. The semi-transparent metallic coating and tinted primer define at least one discontinuity. The automotive component further includes a top-coat disposed over the semi-transparent metallic coating and fills in the discontinuity. In aspects, the automotive component is back-lit and includes a light emitting source optically coupled to a second surface of the polymer substrate.
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公开(公告)号：US12275204B2
公开(公告)日：2025-04-15
申请号：US18322178
申请日：2023-05-23
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , Coats American Inc
Inventor： Venkateshwar R. Aitharaju , Selina Xinyue Zhao , George Han , Colin Rowbottom
Abstract: A method for fabricating a composite panel comprising stitching a plurality of first continuous reinforcing fibers in N first zones and M second zones of a backing substrate of a preform. The N first zones are arranged near C corners of the composite panel, where C is an integer. The plurality of first continuous reinforcing fibers in the N first zones is arranged radially relative to the C corners. At least one of a fiber density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a fiber density of the plurality of first continuous reinforcing fibers in the M second zones, and a stitch density of the plurality of first continuous reinforcing fibers in the N first zones that is less than a stitch density of the plurality of first continuous reinforcing fibers in the M second zones.
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公开(公告)号：US20250119037A1
公开(公告)日：2025-04-10
申请号：US18480592
申请日：2023-10-04
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Muhammad A. Zahid , Khorshed Mohammed Alam , Mazharul Chowdhury , Dumitru Puiu
Abstract: A power transfer system for a separately excited machine includes a positive slipring and a negative slipring. One or more positive brushes and one or more negative brushes. A rotor winding attached to rotor laminations and a stator winding attached to stator laminations, such that the stator winding is outside of the rotor winding. The power transfer system may have a hollow shaft. The power transfer system may also have the negative brush and the negative slipring being exterior to the hollow shaft, and one or more position sensors. A shaft ingress separator may be within the hollow shaft and may act as a barrier between wet areas and dry areas. The power transfer system may also include a positive wire and a negative wire, which may be reversed.
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80.发明申请公开(公告)号：US20250119030A1
公开(公告)日：2025-04-10
申请号：US18482212
申请日：2023-10-06
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Mazharul Chowdhury , Muhammad A. Zahid , Khorshed Mohammed Alam , Suresh Gopalakrishnan , Ajay Mehta , Chandra S. Namuduri
IPC: H02K11/225 , G01D5/20 , H02J50/05 , H02J50/10 , H02K11/042
Abstract: An electric machine includes a rotor assembly having a rotor shaft disposed along a central axis. The electric machine includes an inductive position sensor having a sensor target that is operatively connected to the rotor shaft. The sensor target is fixed relative to the rotor shaft such that the sensor target rotates with the rotor shaft. The electric machine includes a stationary member and a rotating member operatively connected to the rotor shaft. The rotating member is spaced from the stationary member by an air gap. The stationary member and the rotating member are configured to enable non-contact power transfer from the stationary member to the rotating member through the air gap. The non-contact power transfer may be an inductive power transfer or a capacitive power.
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