Mazda Patent for Electric Vehicle Battery Mounting Structure
Summary
The USPTO has published a patent application from Mazda Motor Corporation for an electric vehicle battery mounting structure. The application details a system for fixing multiple battery modules to a vehicle body with specific dispersion parameters for optimal performance and safety.
What changed
This document is a publication of a patent application (US20260088419A1) filed by Mazda Motor Corporation on August 20, 2025, and published on March 26, 2026. The patent describes a battery mounting structure for electric vehicles, focusing on the arrangement and fixing of multiple battery modules to the vehicle body. Key technical details include specific dispersion parameters (D) for the ratio of maximum, minimum, and reference k/m values, set to be between 0.1 and 8, aimed at optimizing battery pack performance and safety.
While this is a patent application and not a regulation imposing direct compliance obligations, it signifies technological innovation in the electric vehicle sector. Manufacturers and automotive engineers involved in battery pack design and integration should be aware of this development as it may influence future industry standards or competitive product offerings. No immediate compliance actions are required, but monitoring patent landscapes is crucial for R&D and strategic planning in the automotive industry.
Source document (simplified)
BATTERY MOUNTING STRUCTURE AND BATTERY PACK FOR ELECTRIC VEHICLE
Application US20260088419A1 Kind: A1 Mar 26, 2026
Assignee
MAZDA MOTOR CORPORATION
Inventors
Kohya NAKAGAWA, Chikara KAWAMURA
Abstract
The electric vehicle includes a plurality of four or more battery modules 10 and a plurality of fixing portions 21 individually fixing the plurality of battery modules 10 to a vehicle body 1. The plurality of battery modules 10 is disposed in series in a predetermined direction. At least two sets of the battery module 10 and the fixing portion 21 has k/m as reference k/m. A maximum k/m is greater than the reference k/m and is the greatest among all set. A minimum k/m is less than the reference k/m and is the least among all sets. A dispersion of (the reference k/m)/(the reference k/m), (the maximum k/m)/(the reference k/m), and (the minimum k/m)/(the reference k/m) is set as D, the dispersion D is set to satisfy 0.1<D<8.
CPC Classifications
H01M 50/242 H01M 50/204 H01M 50/249 H01M 50/264 H01M 2220/20
Filing Date
2025-08-20
Application No.
19304760
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