Patent ID: 6397002
Filing Date: 2002-05-28
Classification: F04D,F24H

Abstract:
A combination cooling fan and heater, comprising in combination:a fan blade assembly powered by a motor mounted within a housing; a heating assembly mounted rearwardly of said fan blade assembly wherein said heating assembly comprises a frustroconical baffle design, operating as a venturi, that is positioned within an airstream produced by said fan blade assembly, and wherein said frustroconical baffle comprises an enlarged diameter portion positioned upstream of said airstream and a reduced diameter portion positioned downstream of said airstream, the enlarged diameter portion having a diameter appreciably less than a diameter of said fan blade assembly such that only part of the airflow produced by said fan blade assembly flows through said heating assembly; and a switch for controlling the operation of said heating assembly and the motor to operate at a higher speed when used as a cooling fan and a lower speed when used as a heater.