Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ronald E. Jackson0
Date of Patent
February 17, 2015
0Patent Application Number
135628590
Date Filed
July 31, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A zone damper having a first portion responsive to the static pressure in a HVAC system to open and bleed an amount of conditioned air past the damper when the static pressure of the system increases above a selected level, a second portion controlled by a actuator to move between an open and a closed position in response to a zone thermostat, and a coupling mechanism coupling the first and second portions to limit the relative movements of the two portions with respect to each other, and a biasing mechanism exerting a torque against the system static pressure differential. The first portion can be a single one-piece undivided blade pivotally mounted with a shell surrounding the zone damper.
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