Laundry dryer/venting system interlock
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United States of America Patent
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Feb 17, 2015
Grant Date -
Jan 7, 2010
app pub date -
Jun 26, 2009
filing date -
Jun 27, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
While a dryer is running, continuously automatically monitor operation of a dryer venting system, and continuously automatically determining if the dryer venting system is operating improperly, and if it is determined that the dryer venting system is operating improperly then automatically disabling the dryer. If the dryer starts running then automatically turning on a booster fan. Operation of booster fan is monitored by sensing the current drawn. Monitoring operation of the venting system through a first controller and automatically disabling the dryer through a second controller. Automatically turn off the booster fan if the dryer is not running. Automatically adjust operating parameters of the dryer venting system in an attempt to operate the venting system properly, and disabling the dryer if the venting system continues to operate improperly after adjustment. Check to determine if the dryer is drawing current to indicate the dryer is running.
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