Nio has been granted a patent for a circumferential locking mechanism used in a battery securing device for traction batteries in vehicles. The mechanism involves inner and outer ring gears with straight teeth that engage to secure the battery in place. GlobalData’s report on Nio 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 Nio, HEV energy management was a key innovation area identified from patents. Nio's grant share as of January 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.

Battery securing device with circumferential locking mechanism for vehicles

Source: United States Patent and Trademark Office (USPTO). Credit: Nio Inc

A recently granted patent (Publication Number: US11884147B2) discloses a battery securing device designed to securely hold batteries in place. The device consists of a central pull rod, a first component with an inner ring gear, and a second component with an outer ring gear and a tightening sleeve. The central pull rod features a spline portion that matches with a vertical groove in the tightening sleeve, allowing for motion locking and unlocking relative to the outer ring gear. The inner ring gear engages with the outer ring gear through distributed inner and outer teeth, ensuring a secure connection.

Furthermore, the battery securing device includes inner and outer flanges, with the tightening sleeve overmolded onto the outer ring gear's outer flange. C-shaped notches are also present at one end of the inner ring gear for added functionality. The patent also covers the inclusion of this battery securing device in a battery pack, emphasizing its application in practical use. Overall, the patented technology offers a reliable and efficient solution for securing batteries in various devices, ensuring stability and safety in battery pack assemblies.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.