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The San Diego County Water Authority has been granted its first ever utility patent for a device that inspects interior sections of water pipelines that are inaccessible or not safe to inspect without expensive specialized gear and training.
Water Authority Operations and Maintenance Manager Martin Coghill invented a tool to save time, reduce costs and improve safety during ongoing aqueduct inspections. The inspection tool uses commercially available lightweight adventure cameras and lights that are arranged in a unique way on a chassis that moves through pipelines that are 4 to 9 feet in diameter, said Coghill, who has worked for the agency since 2013.
The U.S. Patent and Trademark Office awarded Patent #US011,293,581 for the Water Authority’s pipeline inspection system, which comprises a body, cameras, support members and light sources to capture high-resolution images of pipeline walls.
“This technology was created in-house out of necessity to improve safety while inspecting steep portions of our aqueduct,” said Coghill. “The array of multiple cameras enables high-resolution imaging, and the unique design keeps the cameras oriented in the correct position relative to the pipe.”
Coghill said the camera array can also be added to any existing pipeline assessment equipment and offers much higher resolution than traditional CCTV. In addition to inspecting unsafe and inaccessible portions of pipelines, the tool’s design means the Water Authority no longer needs to use specialized third-party rope support crews to assist with pipe inspections. A bonus feature of the device is the ability to stitch the video files together for an immersive 360-degree virtual reality experience. He said it’s always fun to take people into the pipe by just putting on VR goggles.
The complete patent is posted on the U.S Patent and Trademark Office website: https://bit.ly/3vGEk0I.
