Ventilation box for actuators
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United States of America Patent
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Nov 15, 2016
Issued Date -
N/A
app pub date -
Jul 25, 2013
filing date -
Aug 3, 2012
priority date (Note) -
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Abstract
An air damper drive for adjusting at least one air damper, which is provided on a frame, between at least two different relative positions including an actuator having an actuator casing and a movement output member received therein, and further including a duct which is coupled in liquid-tight manner to the actuator and extends along a duct path (K) and has a duct sheath and a duct volume surrounded by the latter, wherein the duct sheath is coupled to the actuator casing in liquid-tight manner such that the duct volume communicates with an actuator inner volume that is surrounded by the actuator casing, and in that the air damper drive has an equalization casing to which the duct sheath is connected in liquid-tight manner such that the duct volume communicates with an equalization volume that is surrounded by the equalization casing.
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