Invention Grant
US09206913B2 Check valve having petals with lift generating elements 有权
具有带电梯产生元件的瓣的止回阀

Check valve having petals with lift generating elements
Abstract:
A check valve is provided. The check valve includes a petal pivotably coupled to a hinge to occupy respective open and closed positions in accordance with a pressure differential of a fluid flow across the check valve and a lift generating element coupled to the petal and configured to aerodynamically interact with the fluid flow to generate a lift force on the petal.
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