GM GLOBAL TECHNOLOGY OPERATIONS LLC patent applications published on November 30th, 2023

Summary of the patent applications from GM GLOBAL TECHNOLOGY OPERATIONS LLC on November 30th, 2023

GM Global Technology Operations LLC has filed several recent patents related to power control systems for electric vehicles, stators for electric machines, thermally conductive brackets, all-solid-state electrochemical batteries, electrodes for electrochemical cells, vehicle diagnostic methods and systems, floating 3D image displays, and testers for electrical components.

Summary of Recent Patents by GM Global Technology Operations LLC:

- Power Control System for Electric Vehicle: The patent describes a power control system for an electric vehicle that includes multiple power inverters connected to a battery system. A controller determines the switching frequency and phase offsets for the electric machines, allowing for efficient power control and distribution.

- Stator for Electric Machine: The patent application describes an electric machine with a housing and a stator core. A thermal bridge made of a non-magnetic material connects the stator core to the inner surface of the housing, allowing for efficient heat transfer and cooling of the electric machine.

- Thermally Conductive Bracket: The patent application describes a thermally conductive bracket designed for use in a vehicle. The bracket facilitates the transfer of heat from a busbar to a cold plate, improving cooling efficiency for multiple battery cells connected to the busbar.

- All-Solid-State Electrochemical Battery: The patent application describes an all-solid-state electrochemical battery with a positive electrode, a negative electrode, and a solid-state electrolyte layer. The positive electrode contains a positive electroactive material and a solid-state electrolyte material, allowing for improved battery performance and longevity.

- Electrode for Electrochemical Cell: The patent application describes an electrode for an electrochemical cell that cycles lithium ions. The electrode contains a silicon-containing electroactive material and three different types of carbon additives, improving the performance and stability of the electrochemical cell.

- Vehicle Diagnostic Methods and Systems: The patent application is about vehicle diagnostic methods and systems that provide step-by-step troubleshooting guidance. The goal is to provide predictive troubleshooting guidance to help efficiently resolve vehicle faults.

- Floating 3D Image Display: The patent application describes a system for creating a floating 3D image display inside a vehicle for multiple passengers. The system includes a display that projects a multiplexed hologram with multiple 3D holographic images, providing an immersive visual experience for passengers.

- Tester for Electrical Components: The abstract describes a tester for electrical components that has a database of testing specifications. The tester identifies the connected component, retrieves its testing specifications, and outputs an indication of the test result.

Notable Applications:

- Power control system for efficient power distribution in electric vehicles. - Stator with thermal bridge for improved cooling of electric machines. - Thermally conductive bracket for efficient heat transfer in vehicle battery systems. - All-solid-state electrochemical battery for improved performance and longevity. - Electrode design for enhanced stability and performance of electrochemical cells. - Vehicle diagnostic methods and systems for efficient troubleshooting. - Floating 3D image display for immersive visual experience in vehicles. - Tester for electrical components with database of testing specifications.