Dana. has been granted a patent for an electric drive axle designed for vehicles. The axle features a housing that encloses an electric motor, gearbox, and differential, with two axle shaft openings and removable access panels for maintenance. The design includes reinforcing ribs and multiple suspension mounting interfaces. GlobalData’s report on Dana 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 Dana, Differential gear shafts was a key innovation area identified from patents. Dana's grant share as of June 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Electric drive axle with removable housing sections and access panels
The patent US12043110B2 describes an innovative electric drive axle designed for vehicles, featuring a housing that accommodates two axle shafts, an electric motor, a gearbox, and a differential. The housing is equipped with two access panels, each removable and attached via multiple devices, allowing for maintenance access to the differential and the electric motor or gearbox. The design includes multiple suspension mounting interfaces strategically positioned between the axle shaft openings and wheel bearing assemblies, enhancing structural integrity. Notably, the housing incorporates reinforcing ribs on its upper surface, which may vary in height and are arranged at non-parallel angles relative to the access panels, contributing to the overall strength and stability of the axle.
Additionally, the electric drive axle can function as an unsprung portion of a vehicle, indicating its potential application in various automotive designs. The rotational axis of the electric motor is aligned parallel to the axle shafts, ensuring efficient power transmission. The patent also outlines features such as an inverter connected to the electric motor and the option for the axle to be a non-steerable electric beam axle. The design emphasizes accessibility and modularity, with the access panels positioned on opposing sides of the axle, facilitating maintenance while maintaining a compact and robust structure. Overall, this patent presents a comprehensive solution for integrating electric drive systems into modern vehicles, addressing both performance and serviceability.
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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.
