Patent ID: 9028308
Filing Date: 2015-05-12
Classification: F24D,F24F

Abstract:
1. A heat exchange and ventilation system for at least one room on at least one floor in a building, comprising: (a) at least one hollow core concrete floor section for thermal mass charging having an upper surface and a lower surface and an air passage therethrough with an inlet and outlet; (b) at least one raised floor section supported by said upper surface of the at least one hollow core concrete floor section; (c) at least one floor plenum defined between said upper surface of said at least one hollow core concrete floor section and said raised floor section for communicating with said outlet of said hollow core concrete floor section; d) a return damper assembly having a return damper and a return air duct having an upper opening communicating with a space above the at least one raised floor section, and a lower opening communicating with said at least one floor plenum; (e) fan means (f) duct means having one end communicating with said inlet of said air passage, and another end communicating with said at least one floor plenum; (g) wherein said fan means moves air through said duct means to: (h) terminal means disposed in said raised floor section communicating with said at least one floor plenum and the space above the at least one hollow core floor section for presenting a selected volume of the plenum air to the space above the raised floor section; (i) and wherein said fan means draws: to re-circulate back to said duct means.