Ventilation – Having forced recirculation – Including automatic control means
Patent
1994-12-22
1996-12-24
Joyce, Harold
Ventilation
Having forced recirculation
Including automatic control means
126110AA, 454236, 454300, 454311, 454312, F24F 708
Patent
active
055869327
ABSTRACT:
An airhouse for supplying conditioned air to the interior area of an enclosed building. The airhouse incorporates one or more blowers having variable speed controllers enabling them to be operated at variable volumetric flow rates. The airhouse housing includes variable area dampers for controlling the inlet of outside or building return air. A dedicated controller is provided for adjusting the inlet areas of the two inlet pathways to provide a constant flow velocity through a direct fire burner through a range of blower volumetric output settings. In addition the units may include variable area diffuser units which tend to maintain constant discharge velocity pressure at various blower volumetric flow rate settings. In addition various control and operating strategies are provided for the individual airhouse units and a distributed array of such units in a large building structure controlled by a central computer.
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Joyce Harold
Professional Supply, Inc.
LandOfFree
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