TPG Telecom has been granted a patent for a truss foundation designed for single-axis trackers, specifically addressing challenges posed by frost heave. The foundation features plumb truss legs and a versatile truss cap, enhancing stability and support for various tracker components while maintaining proper elevation. GlobalData’s report on TPG Telecom gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on TPG Telecom, was a key innovation area identified from patents. TPG Telecom's grant share as of June 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.

Truss foundation for single-axis trackers in frost-prone climates

Source: United States Patent and Trademark Office (USPTO). Credit: TPG Telecom Ltd

The granted patent US12021483B2 describes a truss foundation specifically designed for single-axis trackers, which are commonly used in solar energy applications. The foundation consists of a pair of truss legs that extend into the ground and a truss cap that interconnects these legs. The truss cap features a pair of angled connecting portions that establish a fixed leg separation angle and provide an elevated mounting surface for various tracker components, such as a tracker bearing, drive motor, or center structure assembly. Each truss leg is constructed with an upper portion that is sleeved over a coupler attached to a driven screw anchor, which is installed below the frost line to ensure stability.

The claims further detail the structural characteristics of the truss foundation, including the orientation of the truss legs and the nature of the connections. Each driven screw anchor is positioned at a plumb orientation, and the connections between the upper leg portions and the screw anchors, as well as between the upper leg portions and the truss cap, utilize crimp connections without the need for additional fasteners. The design allows for variations in the angle of the upper leg portions relative to plumb, enhancing the adaptability of the foundation for different site conditions. Overall, the patent outlines a robust and efficient foundation system that supports the operational requirements of single-axis trackers in solar installations.

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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.