Valve device for an ice cube dispensing conduit in a refrigerator
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United States of America Patent
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Mar 19, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jul 24, 2017
filing date -
Jul 25, 2016
priority date (Note) -
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Abstract
A valve device for an ice dispensing conduit includes a bearing structure having a passage to be coupled with the conduit, an obturator mounted rotatable in the bearing structure between a closed position and an opened position, and a motor for rotating the obturator between the closed position and the opened position. A wire made of a shape-memory material, capable of shrinking when an electric current flows therethrough, has one end anchored to the bearing structure and the other end coupled with the obturator through a transmission mechanism. A flow of an electric current in the shape-memory wire causes a shrinking thereof and a consequent rotation of the obturator towards the opened position, and an interruption of such current allows the shape-memory wire to re-expand and the obturator (12) to return towards its closed position.
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