Patent ID: 6771791
Filing Date: 2004-08-03
Classification: H04R

Abstract:
An air pump speaker comprising:a support frame defined by a back plate, a front plate, and a speaker frame, said speaker frame having a lower end secured to said front plate and an upper end extending outwardly therefrom; a motor assembly having a permanent magnet positioned between said back plate and said front plate, and a voice coil; a cone coupled to said voice coil at a first end and coupled to said frame by a surround at a second end; a diaphragm connected at an outer diameter to said upper end of said frame and at an inner diameter to said voice coil; at least one intake vent constructed and arranged for taking in cool air proximate to said voice coil; at least one unidirectional exhaust vent for exhausting air heated by said voice coil outwardly through said speaker frame; wherein movement of said voice coil causes said diaphragm to draw air through said intake vent and exhaust said air through said exhaust vent for cooling of said voice coil.