Patent ID: 9746235
Date: 2017-08-29
CPC Classifications: B41F,F26B

Claim:
1. A channel assembly adapted to be inserted into an air bar, said channel assembly having a compartment defined by a bottom having a pair of opposing sides and at least one aperture having an adjustable open area, said compartment comprising an infrared light source for emitting electromagnetic energy, a reflector for reflecting electromagnetic energy emitted by said infrared light source, a lens transmissive to infrared light emitted from said infrared light source, said lens having opposite terminal ends and first and second spaced elongate longitudinal lens edges extending between said opposite terminal ends, and having a surface defined between said first and second spaced elongate longitudinal lens edges, and at least one elongate longitudinal slot extending between said first elongate longitudinal lens edge and one of said opposing sides of said compartment, wherein a boundary of said at least one slot is defined by said surface of said lens, wherein when said channel assembly is in said air bar in operation in a dryer for floating a web, cooling air flow from said at least one slot is discharged from said compartment parallel to said lens, sweeps said surface of said lens, and provides at least a portion of flotation air for floating the web.