Patent ID: 6220957
Filing Date: 2001-04-24
Classification: F04D

Abstract:
A reversing shuttle for an air handling device, comprising:a) a first portion connectable to a fan inlet such that said first portion is in fluid communication with said fan inlet;b) a second portion connectable to a fan outlet such that said second portion is in fluid communication with said fan outlet;c) a third portion connectable to a duct network such that said third portion is in fluid communication with said duct network;d) a first damper in fluid communication with said first portion;e) a second damper in fluid communication with said second portion;f) said first and second dampers being opposable dampers such that when said first damper is closed, said second damper is open, and vice versa;g) a diverter damper disposed in said reversing shuttle such that said diverter damper prevents fluid communication between said first portion and said second portion;h) said diverter damper having a first position wherein said second portion and said third portion are in direct fluid communication and a second position wherein said first portion and said third portion are in direct fluid communication; andi) actuating means for actuating said first damper, said second damper, and said diverter damper such that when said diverter damper is in said first position, said first damper is open and said second damper is closed and when said diverter damper is in said second position, said first damper is closed and said second damper is open.