Portable Noise Reduction Shed

Abstract

A noise reduction shed formed by two or four L-Shape foldable panels, with full walls on the left, right and back side and with no wall or partial wall on the front side. Each L-Shape foldable panels includes two basic panels, a group of folding brackets, latches and folding handles and can be folded for storage and unfolded for forming the shed. Each L-Shape foldable panels include two basic panels and each basic panel consist of multiple layers of sound absorbing, sound isolation, sound damping materials and a cover to maximize the noise reduction purpose. The noise reduction shed is used to house the generators or other high noise equipment inside to reduce the noise to the outside.

1 . A portable noise reduction shed, comprises of:
 multiple pieces of L-Shape foldable panel to form different size of shed;   wherein two said L-Shape foldable panels form into a small shed by laying one unfolded said L-Shape foldable panels on top of the other unfolded said L-Shape foldable panels and coupled together by a group of latches;   wherein four said L-Shape foldable panels form into a large shed by first coupling two unfolded said L-Shape foldable panels side by side together to make a wider L-Shape foldable panel, then coupling the other two unfolded said L-Shape foldable panels tail to tail to make a C shape panel, finally laying the wider L-Shape foldable panel on top of the C shape panel and coupled together by a group of latches;   wherein the portable noise reduction shed formed by either the two said L-Shape foldable panels or four L-Shape foldable panels has full walls on three side and full ceiling on top, it has the fourth wall fully or partially open;   wherein each of said L-Shape foldable panel has a group of latches attached to its edges to couple with other said L-Shape foldable panels.   wherein each of said L-Shape foldable panel has handles in its center to fold and unfold, as well as carry around the said L-Shape foldable panel.   
     
     
         2 . The portable noise reduction shed of  claim 1 , wherein each said L-Shape foldable panels further comprises of:
 a first basic panel;   a second basic panel;   a pair of folding brackets;   wherein said first basic panel and second basic panel are coupled together by said pair of folding brackets and can be unfolded or folded;   
     
     
         3 . The portable noise reduction shed of  claim 2 , wherein said first basic panel and second basic panel can be the same size or shape, or different size or shape. 
     
     
         4 . The portable noise reduction shed of  claim 2 , wherein said first basic panel and second basic panel coupled by the said folding brackets can be perpendicular to each other when said folding brackets are unfolded and be parallel to each other when said folding brackets are folded. 
     
     
         5 . The portable noise reduction shed of  claim 2 , wherein said first basic panel and second basic panel further comprises of:
 a layer of sound absorption material;   a layer of sound insulation material;   a layer of sound damping material;   a layer of outside cover;   Wherein said four layers of different materials are attached face to face next to each other by glue, bolts or screws to form a complete basic panel.   
     
     
         6 . The portable noise reduction shed of  claim 1 , wherein the L-Shape foldable panel further comprise of:
 several L-Shape anchor brackets with their vertical side connected to the wall of said L-Shape foldable panels and with their horizontal side anchored to the ground.   
     
     
         7 . The portable noise reduction shed of  claim 2 , wherein the two L-Shape foldable panel can be placed side by side and coupled by the latches to make a wider L-Shape foldable panel. 
     
     
         8 . The portable noise reduction shed of  claim 2 , wherein the two L-Shape foldable panels can be placed tail to tail and coupled by the latches to make a C-Shape foldable panel. 
     
     
         9 . The portable noise reduction shed of  claim 1 , wherein the L-Shape foldable panels can also be coupled together by hinged or other fasteners that can lock the L-Shape foldable panels in place.