Electrically controlled actuating device incorporating a thermostatic function, and valve
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United States of America Patent
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Dec 6, 2016
Issued Date -
N/A
app pub date -
Mar 29, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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Abstract
A actuating device includes a fixed portion forming a frame including an inlet intended to receive a fluid, a main outlet and a sampling outlet and a return device for exerting a mechanical force on a movable portion; a movable portion including a shutter moving between an open position and a closed position; a thermostatic device including a conical turning disc, the turning of the disc above a known critical temperature driving the shutter to the closed position of same; a control device allowing a holding force for holding the shutter to be generated, the control device being able to be controlled in such a way that below the critical temperature, the opening or the closing of the valve results from the balance between the holding force and the mechanical force.
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