Patent ID: 6065468
Filing Date: 2000-05-23
Classification: F24C,F24H,Y02B

Abstract:
An outdoor gas fired construction heater placed on a surface and having a gas burner comprising:a hollow base having a top portion for receiving the gas burner;a gas control valve mounted on said base and suitable for connecting to said gas burner;an elongated hollow shell having an open top and an open bottom and at least one side wall;the open bottom of said elongated hollow shell sitting on and being in contact with and rigidly attached to said top portion of said hollow base;a lid being attached to and closing the open top of the elongated hollow shell;a first plurality of air-discharge openings in the at least one side wall of said elongated hollow shell adjacent said top of said elongated hollow shell closed by said lid;at least one tier of a second plurality of spaced-apart air-admitting openings in said elongated hollow shell adjacent the bottom of said elongated hollow shell sufficient in number to meter admission of air to said burner; andeach opening of said at least one tier including a panel formed from a part of said at least one side wall and bent inwardly to form a surface that extends downwardly from said at least one side wall about an edge to direct air in a downwardly direction into the interior of said elongated hollow shell and to obstruct infrared and conducted heat from radiating downwardly toward the surface on which the heater is located.