General Motors has been granted a patent for a method to create a three-dimensional part with localized magnetic properties. The process involves forming a part with a cavity, inserting a permanent magnet, and covering it, followed by additional layer deposition to complete the part. GlobalData’s report on General Motors gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on General Motors, Reformer integrated fuel cells was a key innovation area identified from patents. General Motors's grant share as of June 2024 was 71%. Grant share is based on the ratio of number of grants to total number of patents.
Three-dimensional part with embedded magnet for vehicles
The patent US12042990B1 outlines a method for creating a three-dimensional part with localized magnetic properties specifically designed for vehicles. The process begins with the formation of a first portion of the part by depositing multiple layers from a ferromagnetic extrusion barrel onto a support bed, which includes a cavity for housing a permanent magnet. The method involves inserting the magnet into this cavity and either preforming or concurrently printing a cover that fits snugly over the magnet. This cover is designed to prevent interference with the extrusion barrel and is formed with a minimum thickness to ensure the magnet's integrity. The second portion of the part is then created by adding additional layers on top of the first portion and the cover.
Further claims detail various aspects of the method, including the encapsulation of the magnet within the cover, the use of different polymer materials for the layers, and the selection of materials for the magnet itself, such as ferrite or neodymium-iron-boron. The cover's thermal conductivity and thickness are also specified to prevent demagnetization, taking into account factors like the magnet's material and operating temperatures. The method allows for customization in terms of the dimensions of the cavity and the fit of the magnet, ensuring that the final product meets specific performance criteria for use in vehicles.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
