Fan bank assembly

Abstract

A portable air movement source includes: a plurality of framed box fans stacked upon and secured to one another, the plurality of framed box fans number between 2 and 4; each framed box fan including a plurality of box fans joined together in frame surrounding the plurality of box fans, the plurality of box fans number between 2 and 4, and each box fan creates a breeze noticeable at 7-25 feet from the box fan; the frame includes a first generally rectangular member and a second generally rectangular member spaced away from the first member, wherein the plurality of box fans is located within and surrounded by the first generally rectangular frame member and the second generally rectangular frame member, the frame is made of metal, plastic, wood, and/or composite materials; and a plurality of caster affixed to the frame whereby the portable air movement source is moveable.

I claim: 
     
         1 . A portable air movement source comprises:
 a plurality of framed box fans stacked upon and secured to one another, the plurality of framed box fans number between 2 and 4;   each framed box fan including a plurality of box fans joined together in frame surrounding the plurality of box fans, the plurality of box fans number between 2 and 4, and each box fan creates a breeze noticeable at 7-25 feet from the box fan;   the frame includes a first generally rectangular member and a second generally rectangular member spaced away from the first member, wherein the plurality of box fans is located within and surrounded by the first generally rectangular frame member and the second generally rectangular frame member, the frame is made of metal, plastic, wood, and/or composite materials; and   a plurality of caster affixed to the frame whereby the portable air movement source is moveable.   
     
     
         2 . The portable air movement source of  claim 1  wherein the plurality of box fans number  3 . 
     
     
         3 . The portable air movement source of  claim 1  wherein at least one caster is lockable. 
     
     
         4 . The portable air movement source of  claim 1  wherein the frame material is electrical metal tubing (EMT). 
     
     
         5 . The portable air movement source of  claim 1  having a total weight of 100 pounds of less. 
     
     
         6 . The portable air movement source of  claim 1  wherein each box fan includes one or more of the following attributes: the box fan is round, square, and/or rectangular, the box has a long dimension in the range of about 5-30 inches, the box fan has a fan speed of about 500-1000 rpm (revolutions per minute), the box fan generates a wind speed in a range less than 8 mph (miles per hour), and the box fan has a noise level of less than about 5 dB (decibels). 
     
     
         7 . The portable air movement source according to  claim 1  wherein each box fan includes the following attributes: each box fan is a 20-inch square fan with a fan speed of about 850 rpm that generates a wind speed of about 5 mph 
     
     
         8 . A method of providing a high volume, low velocity air source to a gathering of people comprising the step of:
 providing a portable air movement source including a plurality of box fans joined together in frame surrounding the plurality of box fans.   
     
     
         9 . The method of  claim 8  wherein the portable air movement source includes a plurality of framed box fans stacked upon and secured to one another, each framed box fan including a plurality of box fans joined together in frame surrounding the plurality of box fans. 
     
     
         10 . The method of  claim 8  wherein the portable air movement source includes:
 a plurality of framed box fans stacked upon and secured to one another, the plurality of framed box fans number between 2 and 4; 
 each framed box fan including a plurality of box fans joined together in frame surrounding the plurality of box fans, the plurality of box fans number between 2 and 4, and each box fan creates a breeze noticeable at 7-25 feet from the box fan; 
 the frame includes a first generally rectangular member and a second generally rectangular member spaced away from the first member, wherein the plurality of box fans is located within and surrounded by the first generally rectangular frame member and the second generally rectangular frame member, the frame is made of metal, plastic, wood, and/or composite materials; and 
 a plurality of caster affixed to the frame whereby the portable air movement source is moveable. 
 
     
     
         11 . The method of  claim 8  wherein each box fan includes one or more of the following attributes: the box fan is round, square, and/or rectangular, the box has a long dimension in the range of about 5-30 inches, the box fan has a fan speed of about 500-1000 rpm (revolutions per minute), the box fan generates a wind speed in a range less than 8 mph (miles per hour), and the box fan has a noise level of less than about 5 dB (decibels). 
     
     
         12 . The method of  claim 8  wherein each box fan includes the following attributes: each box fan is a 20-inch square fan with a fan speed of about 850 rpm that generates a wind speed of about 5 mph