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Vent-blocking inflatable bladder assembly for a HVAC zone control system

  • US 20100078493A1
  • Filed: 09/29/2008
  • Published: 04/01/2010
  • Est. Priority Date: 09/29/2008
  • Status: Abandoned Application
First Claim
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1. A pneumatic bladder assembly for use as an airflow control mechanism in an HVAC system, in which an air pump selectably provides one of pressure and vacuum to an air tube extending through ductwork of the HVAC system, said bladder assembly comprising:

  • a) an inflatable and deflatable bladder having a plurality of means for attaching and a nozzle for coupling to said air tube,b) a restraint fixture for restraining the locations of said nozzle and said air tube in proper alignment for coupling,c) a mounting fixture for fixing the location of said bladder assembly in a duct of said HVAC system, said means for attaching attached to said mounting fixture and said restraint fixture attached to said mounting fixture such that it restrains said nozzle.

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