Trailer sail

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The Vanguard National Trailer Corporation patent solves the following problem:

Fairings used to improve the aerodynamics of a vehicle and are often added to the outside of a car to reduce drag while in motion. Fairings can be added to many places in the tractor and trailers to promote the launch of these great vehicles. In the past, the fairings included front and rear of the tractor as before, on, under, and behind the trailers. Fairings also placed in front of and behind the wheels of a trailer to improve aerodynamics.

Our analysis of this patent is as follows:

Vanguard National Trailer Corporation’s patent US 9296433 B2 deals with Trailer sail.
A flexible trailer fairing for reducing aerodynamic drag in a trailer on the road revealed. A fourfold flexible fairing system can be used to reduce the drag from the trailer's landing gear and wheel assembly. Many systems in keeping with the flexible fairing teaching while continuing to use also disclosed.

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