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Self-Inflating Tires


mogandave

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I think this is pretty slick (no pun intended). My dad worked (unsuccessfully) on something similar for a while.

Goodyear Developing Self-Inflating Tires.

The Wired (9/27, George) "Autopia" blog reported, "Since 2011, Goodyear has been working on self-regulating tires, and next year the company will begin testing its new self-inflating technology on commercial vehicles. If the system can handle the 100-plus psi requirements of big rigs, AMT (Air Maintenance Technology) will likely make its way down to passenger" cars. "Here's how it works: A sensor on the interior detects when pressure has dipped too low. A valve mounted on the sidewall opens up, and as the tire rotates, the vehicle's weight compresses a tube built into the tire's circumference that injects air to increase tire pressure. Once it hits the optimal psi, the system shuts the valve and the ride proceeds as normal."

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