公开(公告)号：USD1070685S1

公开(公告)日：2025-04-15

申请号：US29892377

申请日：2023-05-17

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Designer： Hongjun Xu

公开(公告)号：USD1070683S1

公开(公告)日：2025-04-15

申请号：US29889321

申请日：2023-04-11

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Designer： Jiuwen Li

公开(公告)号：US12278339B2

公开(公告)日：2025-04-15

申请号：US16544992

申请日：2019-08-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Yong Lu ,  Zhe Li ,  Dewen Kong

IPC: H01M10/058 ,  H01M10/0525

Abstract: A solid-state battery cell, such as a lithium-ion cell, is assembled with a solid electrolyte layer member positioned between co-extensive surface layers of an anode active layer member and a cathode active material layer member. At least one of the engaging surfaces of the solid electrolyte layer is not flat. It is formed with a topographical pattern comprising recesses in a flat surface, or a surface of projections and recesses, and placed against a compatibly-shaped, mating surface of the anode layer and/or the cathode layer. The re-shaping of the surface(s) of the solid electrolyte layer and adjoining electrode layer(s) is to significantly increase the effective contact area with the facing layer of electrode material and improve the conduction of ions across the interface. A thin film of interlayer material may be placed between the surfaces of the facing cell members with the specially shaped adjacent faces.

公开(公告)号：US12275436B2

公开(公告)日：2025-04-15

申请号：US17821829

申请日：2022-08-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mohammadali Shahriari ,  Ashraf Abualfellat ,  Reza Zarringhalam ,  Mehdi Abroshan ,  Michael B. Peppard

IPC: B60W60/00 ,  B60W40/06

Abstract: Automated driver assistance systems and methods for towing predict vehicle/trailer instabilities and adapt automated driving control to avoid them. A tow-vehicle includes a controller that, through an actuator system, controls speed and/or steering. A map system and/or a sensor system monitor a roadway on which the vehicle is travelling to identify a road profile located ahead of the vehicle over a prediction horizon. A projected trajectory for navigating the vehicle through the road profile over the prediction horizon and considering environmental conditions is determined. Before travel over the road profile, whether the projected trajectory through the road profile will result in exceeding a vehicle dynamic threshold is determined. When the projected trajectory will result in exceeding the vehicle dynamic threshold through the road profile, a control action is determined to prevent instability and optimize driver experience. The vehicle is operated through the road profile using the control action.

公开(公告)号：US12275360B2

公开(公告)日：2025-04-15

申请号：US17809240

申请日：2022-06-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Alaeddin Bani Milhim ,  Hossein Sadjadi ,  Hadyan Sani Ramadhan

IPC: B60R16/023 ,  G01R19/00 ,  G01R31/00 ,  G01R31/08 ,  G07C5/08

Abstract: Methods and systems are provided for monitoring ground line degradation of electric devices coupled to a communication bus. The method includes, by a processor: receiving voltage data including measurements of voltages of messages transmitted by the electric device over the communication bus, generating health indicators from the voltage data associated with ground line degradation of the electric device, the health indicators including statistical moments calculated based on the voltage data, and determining a health stage of the electric device based on the health indicators, the health stage including a classification based on a relationship between ground line degradation and communication loss for the electric device.

公开(公告)号：US20250119714A1

公开(公告)日：2025-04-10

申请号：US18482948

申请日：2023-10-09

Applicant: GM Global Technology Operations LLC

Inventor： Benjamin Tran ,  James Doherty ,  Russell A. Patenaude ,  Scott Thomas Droste

IPC: H04W4/44 ,  H04W4/02 ,  H04W4/021 ,  H04W4/029

Abstract: A method includes transmitting a first wireless communication from a user device via an authorized first cellular network. The first wireless communication includes a current geographic location of the user device. The user device maintains a forbidden list identifying unauthorized cellular networks. Based on determining that the user device is approaching a geofence between a first network coverage area of the first cellular network and a second network coverage area of a second cellular network that is identified on the forbidden list, the method includes removing the second cellular network from the forbidden list. With the second cellular network removed from the forbidden list and based on the user device entering the second network coverage area, the method includes transmitting a second wireless communication from the user device via the second cellular network that includes an updated geographic location of the user device.

公开(公告)号：US20250119033A1

公开(公告)日：2025-04-10

申请号：US18481708

申请日：2023-10-05

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mazharul Chowdhury ,  Mohammad F. Momen ,  Khorshed Mohammed Alam ,  Alexander Forsyth ,  Yilun Luo

IPC: H02K11/33 ,  B60L15/00 ,  H02K1/16 ,  H02K3/48 ,  H02K15/085 ,  H02P27/06

Abstract: A propulsion system for a vehicle includes an electric motor configured to generate torque to propel the vehicle. The electric motor has a stator assembly with a plurality of stator slots defining slot layers along a respective slot axis. A first plurality of conductors is at least partially positioned in the plurality of stator slots and forming a first winding set. A second plurality of conductors is at least partially positioned in the plurality of stator slots and forms a second winding set. A first inverter is adapted to drive the electric motor, the first winding set being coupled to the first inverter. A second inverter is adapted to drive the electric motor, the second winding set being coupled to the second inverter. The system includes a controller adapted to control operation of the first and second inverters based in part on a motor speed of the electric motor.

公开(公告)号：US20250119031A1

公开(公告)日：2025-04-10

申请号：US18483553

申请日：2023-10-10

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC.

Inventor： Yilun Luo ,  Khorshed Mohammed Alam ,  Muhammad A. Zahid ,  Mazharul Chowdhury ,  Peng Peng ,  Thomas W. Nehl ,  Junghoon Kim

IPC: H02K11/30 ,  H02K1/12 ,  H02K1/22

Abstract: An electric machine with reconfigurable rotor poles. The machine may include a stator including a plurality of stator windings configured for generating a rotating magnetic field (RMF) and a rotor configured for rotating within the stator according to a torque induced by the RMF. The rotor may include a plurality of rotor windings wrapped around a plurality of circumferentially spaced rotor protrusions. The electric machine may include a rotor power transfer circuit operable for reconfiguring electrical excitation of the rotor windings according to a plurality of excitation modes.

公开(公告)号：US20250119025A1

公开(公告)日：2025-04-10

申请号：US18482260

申请日：2023-10-06

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Muhammad A. Zahid ,  Alexander Forsyth ,  Khorshed Mohammed Alam ,  Mazharul Chowdhury

IPC: H02K9/22 ,  B60K1/00 ,  B60K1/04 ,  B60K11/02 ,  B60L50/60 ,  H02K9/20

Abstract: Presented are electric machines with winding-slot embedded heat pipes/vapor chambers and endcap-integrated heat sinks, methods for making/using such machines, and vehicles equipped with such machines. An electric machine, such as a traction motor or electric generator, includes an outer housing, a stator assembly mounted to the housing, and a rotor assembly rotatably mounted adjacent the stator assembly. The stator assembly includes an annular stator core with one or more electromagnetic stator windings mounted on or in the stator core. The rotor assembly includes a cylindrical rotor core and one or more electromagnetic rotor windings mounted in rotor slots of the rotor core. One or more heat pipes are mounted in the rotor slot(s), adjacent the rotor winding(s), and projecting axially from one or both axial ends of the rotor core. Each heat pipe extracts thermal energy from the rotor winding(s) and transfers the thermal energy out from the rotor core.

公开(公告)号：US20250119002A1

公开(公告)日：2025-04-10

申请号：US18483181

申请日：2023-10-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mohammad F. Momen ,  Mazharul Chowdhury ,  Alexander Forsyth ,  Yilun Luo

IPC: H02K1/16 ,  B60K1/00 ,  H02K3/12 ,  H02K7/00 ,  H02K11/33 ,  H02K15/02

Abstract: Presented are electric machines with both bar and wire conductors, methods for making/using such machines, and vehicles equipped with such machines. An electric machine, such as a traction motor or electric generator, includes an outer housing, a stator fixedly mounted to the housing, and a rotor movably mounted to the housing and spaced across an airgap from the stator. Multiple magnets, such as permanent magnet blocks, are mounted on or in slots of the rotor (or the stator). A set of electromagnetic conductors extends through each radially elongated slot of the stator (or the rotor). Each conductor set includes a group of solid-wire or multistrand-wire conductors that is located adjacent the airgap. A group of hairpin or I-pin bar conductors is radially spaced from the airgap and located adjacent the wire conductors. The bar conductors have a cross-sectional area/shape that is distinct from a cross-sectional area/shape of the wire conductors.