Valve device for controlling a fluid flow, in particular for controlling the cold air flow in a household appliance, such as a refrigerator
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United States of America Patent
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Feb 7, 2017
Grant Date -
Oct 22, 2015
app pub date -
Dec 2, 2013
filing date -
Dec 3, 2012
priority date (Note) -
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Abstract
A device (10; 110; 210; 310) includes a support structure (12), on which there are mounted a plug (16), which is adapted to assume a plurality of operating positions including an opening position and a closing position, in which the plug is adapted to at least partially free and respectively obstruct a passage (14), which is meant for a fluid flow. A mechanism (18) is suited to move and hold the plug (16) between said operating positions. An opening actuator (20) and a closing actuator (22) are suited to separately act upon the mechanism (18), so that the mechanism (18) moves and holds the plug (16) between said operating positions, namely towards said opening position and towards said closing position, respectively, due to electric current supplied to the opening actuator (20) and to the closing actuator respectively.
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