Patent ID: 6074182
Filing Date: 2000-06-13
Classification: F04D

Abstract:
An low-vibration direct drive fan comprising:a housing comprising an interior, an air intake end, a spaced apart air output end;a propeller disposed within said housing;direct drive motor means for rotating the propeller, said motor means comprising a generally cylindrical shell; and,means for securely mounting said direct drive motor means within said housing, said mounting means comprising:a pair of rigid, spaced apart, mounting struts extending through the housing interior; anda chassis symmetrically coupled to said shell for securing the motor means to said struts, said chassis comprising a pair of brackets each comprising a central cradle portion flushly nested against the shell, and a pair of integral wings diverging outwardly from the cradle and terminating in tabs fastened to said struts, wherein the outwardly diverging wings at each end of the two cradles present an X-shaped profile, and the motor means is centrally disposed between the brackets at the center of the chassis.