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US 5,857,270 AGranted
Open burner plenum for a flotation dryer
AssigneeMegtec Systems, Inc.
InventorMichael P. Bria
Life of this patent
Estimating the term…
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AssigneeMegtec Systems, Inc.
InventorMichael P. Bria
Estimating the term…
Air flotation dryer for floatingly drying travelling webs. The dryer includes a housing having a web inlet and a web outlet spaced from the web inlet, and a plurality of elongated air nozzles arranged transversely to the direction of movement of the web and preferably located on opposite sides of the web, the nozzles being secured directly to, supported by and in air-receiving communication with longitudinally extending supply air ducts. An air supply fan is in communication with the supply air ducts to supply air to the nozzles. Heat is provided to the apparatus with a draw-through style burner, which fires into the dryer enclosure and the proper amount of air flow to be heated by the burner (e.g., flowing past the burner) is regulated such as by a return air screen having a predetermined or variable open area, resulting in a simpler design and a lower pressure drop than in the conventional ducted design where the recirculation air is first collected in a duct and is then heated and sent to the supply fan inlet.
An air flotation dryer for drying a running web in a web path, comprising:
An air flotation dryer for drying a running web in a web path, comprising:
A method of controlling the amount of air heated by a burner in an air flotation dryer having a dryer housing having a web inlet and a web outlet spaced from said web inlet;
Dependencies are inferred from the claim text.