Patent ID: 8147193
Filing Date: 2012-04-03
Classification: F04D,F24F

Abstract:
1. A ceiling fan comprising: an elongated body element having an upper end and a lower end defining an aperture therethrough along a vertical axis; a mounting bracket disposed adjacent to the upper end of the body element, and a fluid impelling device operatively coupled to the mounting bracket; at least one plate disposed within the elongated body element and substantially parallel to the vertical axis to create a column of downwardly moving fluid below the lower end of the body element, a support coupled to the lower end of the body element including a central outlet opening aligned with the lower end of the body element, a peripheral intake opening surrounding the lower end of the elongated body element and a peripheral supporting edge defining the outermost edge of the peripheral opening to contact a dropped-ceiling support grid, and a plurality of inclined elements in the peripheral intake opening constructed and arranged to direct air located adjacent to the dropped ceiling lower surface into an area surrounding the elongated body element leading to the elongated body element upper end.