Automatic fan inlet closure apparatus and methods
Number of patents in Portfolio can not be more than 2000
United States of America
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Oct 8, 2019
Grant Date -
Feb 2, 2017
app pub date -
Jun 22, 2016
filing date -
Jun 22, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Embodiments of the inventive technology may include an automatically reconfigurable flow blocking damper to prevent back flow; applications include, e.g., centrifugal fans that may at times be susceptible to such back flow, such as centrifugal fans established in an array and discharging to a common space. A clutch may effect damper engagement with rotatable componentry such that the damper is engaged with rotatable componentry when the damper is in open configuration, and effect damper disengagement from rotatable componentry such that the damper is disengaged from rotatable componentry when the damper is in closed configuration. The clutch may, in particular embodiments, act to prevent rotational imbalance problems otherwise observed when the damper is engaged to and rotates with rotatable componentry.
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