Array Technologies has been granted a patent for a torque limiting mechanism in a solar tracking system. The mechanism prevents excessive torque transmission between moving components of gears, allowing slipping when torque exceeds a threshold. This innovation aims to enhance the efficiency and durability of solar tracking systems. GlobalData’s report on Array Technologies 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 Array Technologies, Vehicle PV panel roofs was a key innovation area identified from patents. Array Technologies's grant share as of May 2024 was 37%. Grant share is based on the ratio of number of grants to total number of patents.
Torque limiter mechanism for solar tracking system
A recently granted patent (Publication Number: US11988260B2) discloses a torque limiting mechanism designed for use in solar tracking systems. The mechanism includes a drive motor that rotates a drive shaft, at least one gear translating this rotation into movement of a photovoltaic (PV) module mounting structure, and a friction ring torque limiter that allows components to slip when torque exceeds a threshold. The design features various configurations, such as parallel axis gears with spur gears and intersecting axis gears with worm gears, each incorporating the friction ring to prevent damage from excessive torque.
Furthermore, the patent details specific implementations of the torque limiting mechanism, including the use of intermediate rings and connectors to enable independent torque limitation of different PV module mounting structure segments. The inclusion of tines on the friction ring and the arrangement of components like spacers further enhance the functionality of the mechanism. By providing a reliable and efficient way to limit torque in solar tracking systems, this patented technology aims to improve the performance and longevity of such systems, ensuring optimal operation and minimizing maintenance requirements.
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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.
