Air purification system

Abstract

An example air purification system comprises: an air guiding funnel; a particle absorbing filter disposed at an intake side of the air guiding funnel; a tangential fan disposed at an outlet side of the air guiding funnel; and an ultra-violet (UV) energy absorbing shell mechanically coupled to an discharge side of the tangential fan.

What is claimed is: 
     
         1 . An air purification system, comprising:
 an air guiding funnel;   a particle absorbing filter disposed at an intake side of the air guiding funnel;   a tangential fan disposed at an outlet side of the air guiding funnel; and   an ultra-violet (UV) energy absorbing shell disposed at a discharge side of the tangential fan.   
     
     
         2 . The air purification system of  claim 1 , further comprising:
 a housing enclosing the air guiding funnel, the tangential fan, the UV energy absorbing shell, and the particle absorbing filter.   
     
     
         3 . The air purification system of  claim 1 , wherein the UV energy absorbing shell contains one or more UV radiation emitting devices. 
     
     
         4 . The air purification system of  claim 1 , wherein the UV energy absorbing shell comprises a UV reflector having a plurality of reflective surfaces that collectively form a light path to be followed by UV energy emitted by the UV radiation emitting devices 
     
     
         5 . The air purification system of  claim 1 , wherein the UV energy absorbing shell contains a plurality of low reflectance surfaces, wherein each reflectance surface is configured to absorb at least a predefined portion of UV energy that is incident upon the reflective surface. 
     
     
         6 . The air purification system of  claim 1 , wherein the UV energy absorbing shell contains one or more air trims that are configured to control a direction of air moving through the UV energy absorbing shell. 
     
     
         7 . The air purification system of  claim 1 , wherein the UV energy absorbing shell contains a plurality of shapes that are configured to form a light path to be followed by UV energy emitted by the UV radiation emitting devices and to control a direction of air moving through the UV energy absorbing shell. 
     
     
         8 . The air purification system of  claim 1 , wherein the air guiding funnel has an inlet matching a shape of the particle absorbing filter. 
     
     
         9 . The air purification system of  claim 1 , wherein the air guiding funnel comprises:
 an inlet matching a shape of the particle absorbing filter; and   a sealed air path connecting the inlet with an outlet matching a shape of the tangential fan.   
     
     
         10 . The air purification system of  claim 1 , wherein the air guiding funnel comprises two trapezoidal walls are connected by two rectangular covers. 
     
     
         11 . The air purification system of  claim 1 , wherein the tangential fan comprises a cylindrical impeller configured to drive outside air through the particle absorbing filter and through the air guiding funnel to the UV energy absorbing shell. 
     
     
         12 . An air purification apparatus, comprising:
 an air conduit;   a particle absorbing filter disposed at an intake side of the air conduit;   a fan disposed at an outlet side of the air conduit; and   an ultra-violet (UV) radiation emitting device disposed at an discharge side of the fan.   
     
     
         13 . The air purification apparatus of  claim 12 , wherein the UV radiation emitting device is enclosed by a UV energy absorbing shell. 
     
     
         14 . The air purification apparatus of  claim 13 , wherein the UV energy absorbing shell comprises a plurality of reflective surfaces collectively forming a light path to be followed by UV energy emitted by the UV radiation emitting devices, wherein each reflective surface of the plurality of reflective surfaces is configured to absorb at least a predefined portion of UV energy that is incident upon the reflective surface. 
     
     
         15 . The air purification apparatus of  claim 13 , wherein the UV energy absorbing shell contains one or more air trims that are configured to control a direction of air moving through the UV energy absorbing shell. 
     
     
         16 . The air purification apparatus of  claim 12 , wherein the UV energy absorbing shell contains a plurality of shapes that are configured to form a light path to be followed by UV energy emitted by the UV radiation emitting devices and to control a direction of air moving through the UV energy absorbing shell. 
     
     
         17 . The air purification apparatus of  claim 12 , wherein the air conduit has a first opening matching a shape of the particle absorbing filter. 
     
     
         18 . The air purification apparatus of  claim 12 , wherein the air conduit comprises:
 a first opening matching a shape of the particle absorbing filter; and   a sealed air path connecting the first opening with a second opening matching a shape of the tangential fan.   
     
     
         19 . The air purification apparatus of  claim 12 , wherein the air conduit comprises two trapezoidal walls are connected by two rectangular covers. 
     
     
         20 . The air purification apparatus of  claim 12 , wherein the fan comprises a cylindrical impeller configured to drive outside air through the particle absorbing filter and through the air conduit to a UV energy absorbing shell enclosing the UV radiation emitting device.