Patent ID: 6789618
Filing Date: 2004-09-14
Classification: F24F,Y02B

Abstract:
An air handling system, comprising:a terminal unit including a room supply channel connected to a room supply duct and an exhaust channel connected to an exhaust duct; a passive thermal energy recovery means located in said terminal unit and positioned therein to enable air flowing through said room supply channel and said exhaust channel to pass through said passive energy recovery means in heat exchange association; a face damper for controlling air flow through said passive thermal energy recovery means; a bypass damper for controlling air flow circumventing said passive thermal energy recovery means; means for adjusting said face damper and said bypass damper in response to the environmental demands of the space serviced by said terminal unit; said means for adjusting said face and bypass dampers comprises a room controller including a means for determining the optimum setting of said face damper and said bypass damper as a function of temperature differentials between the supply air to said terminal unit and the ambient temperature in said space serviced by said terminal unit; and said room controller regulates the volume of air per unit of time flowing through said space serviced by said terminal unit in response to the velocity of air flowing into said space via said terminal unit by adjusting the position of louvers located in openings connecting said room supply channel and said exhaust channel to said space.