Patent ID: 6192810
Filing Date: 2001-02-27
Classification: F23L

Abstract:
Register apparatus for facilitating a laminar flow of air from a distribution chamber associated with a boiler through at least one port in the walls of a combustion chamber in said boiler comprising:a. an air feed distribution plenum connected to said distribution chamber said air feed distribution plenum defined in part by a curved wall;b. an internal turning vane mounted within said air feed distribution plenum substantially concentric with said curved wall;c. a transition housing mounted to said air feed distribution plenum;d. opposing adjustable damper foils mounted within said transition housing and;e. an exit nozzle mounted between said port and said air feed distribution plenum, said transition housing surrounding said damper foils and said exit nozzle, wherein said exit nozzele is cooperatively positioned to provide minimal separation between said damper foils and said exit nozzle to provide a transition for an air flow from said damper foils to said port.