| 20110179854 | Portable Apparatus for Determining Leaks in Air Ducts - The disclosed portable apparatus for determining leaks in air ducts includes a wheeled cabinet having hand-graspable handles for transport. A front, covered equipment readout includes displays for air duct flow, air duct pressure, blower speed, and smoke generator operation. An on-board variable speed blower control knob also is included on the front panel. Housed within the cart is a variable speed blower, a silencer, a smoke generator, power supply, and multiple venturis of different diameter for different sized air ducts to be tested. | 07-28-2011 |
