Patent ID: 7914047
Filing Date: 2011-03-29
Classification: F16L,F24F,Y10T

Abstract:
1. An HVAC duct system including supply and return ducts, terminal air supply or return devices, and a length of flexible duct, which system comprises: a support apparatus comprised of a spine including a first end and a second end and first and second cross pieces; the length of flexible duct comprised of a first end and a second in, wherein said first end is connected to a supply or return duct, and said second end is connected to a terminal air supply or return device; said flexible duct including a bend comprised of an inner radius (IR) and an outer radius (OR), said bend located in proximity to one of said first or second ends; said support apparatus adapted for positioning at said flexible duct bend inner radius; said support apparatus spine includes a curvature generally corresponding to the IR of said duct bend and said spine includes a rib generally following the IR and extending between said spine ends; said first and second cross pieces mounted on said spine first and second ends; first and second connecting devices each adapted for connecting a respective said cross piece to said flexible duct on either side of the bend; each said cross piece including a pair of arms extending laterally from said spine end and adapted for partially encircling the duct; and each said arm terminating at a tab with a receiver adapted to receive a respective connecting device.