Shape-Memory Diaphragm Shutter Valve for Fluid Flow Interception and Icing Prevention
- Created on Saturday, 01 May 2010
This valve for gases, liquids, or powdery materials has an extremely simple and low-cost structure. Opening and closing functions are generated by using shape-memory wires, which move a diaphragm shutter element. The shape memory can reshape the diaphragm to lift away from the closed position. Then, with the change of temperature or current, it can return back to the closed position. This open/shut movement can be simple for on/off fluid requirements. It can also be rapid to effect displacement of a fluid. Particular positioning of shape-memory elements guarantees deicing functionality as resistance along the alloy can generate heat to prevent freezing.
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