Abstract A mobile fan and burner unit is provided with a four-sided plenum chamber having an air return duct adjacent the top and an air supply duct adjacent the bottom of each side thereof. The return and supply ducts are connected to top and bottom apertures respectively in the rear of a mobile barn having wheels and a tow bar. Each mobile barn is provided with a supply plenum chamber beneath a perforated floor and a peaked roof to provide a return air plenum. Each barn is provided with access doors at the front of the trailer to facilitate the loading of tobacco curing racks and the roof panels are hinged to facilitate the loading of bulk crops. Portable hoist means may be mounted on the tow bar to facilitate loading and unloading of the tobacco racks.
A mobile drying apparatus comprising a central fan and heating means including a housing defining a vertically disposed plenum chamber having a plurality of return ducts connected to the top of said chamber and a plurality of supply ducts connected to the bottom of said chamber, portable barn means having a top, a bottom, side walls, a front end and a rear end, wheels on said barn means and tow bar means connected to the front end of said portable barn means, said portable barn means having closable access means on said top and closable access means on said rear end thereof and means for connecting said return and supply ducts to said rear end of said portable barn means above and below said closable access means on said rear end for circulating hot air from said fan and heating means through said portable barn means and back to said fan and heating means.
Claim 2
Dependent Claim
154 words
A mobile drying apparatus comprising a central fan and heating means including a housing defining a vertically disposed plenum chamber having a plurality of return ducts connected to the top of said chamber and a plurality of supply ducts connected to the bottom of said chamber, portable barn means having a top, a bottom, side walls, a front end and a rear end, wheels on said barn means and tow bar means connected to the front end of said portable barn means, said portable barn means having closable access means on said top and closable access means on said rear end thereof and means for connecting said return and supply ducts to said rear end of said portable barn means above and below said closable access means on said rear end for circulating hot air from said fan and heating means through said portable barn means and back to said fan and heating means.
Claim 3
Dependent Claim
83 words
A mobile drying apparatus as set forth in claim 1, wherein said closable access means on said top is comprised of a pair of hinged roof panels disposed in overlapping relation and said closable access means on said rear end is comprised of a hinged rear panel mounted for vertical movement about a horizontal axis, and further comprising additional closable access means on said front end including a pair of hinged front panels adapted to close the front end of said barn means.
Claim 4
Dependent Claim
37 words
A mobile drying apparatus as set forth in claim 2 wherein said hinged rear panel is provided with an inspection opening and sliding panel means adapted to be disposed in closing relation with respect to said opening.
Claim 5
Dependent Claim
59 words
A mobile drying apparatus as set forth in claim 2 wherein said portable barn is provided with a perforated floor spaced from the bottom of said barn, plenum means extending beneath said floor for connection with said supply duct whereby the hot air from said fan and heating means is distributed upwardly from said plenum through said perforated floor.
Claim 6
Dependent Claim
35 words
A mobile drying apparatus as set forth in claim 2 further comprising hoist means detachably mounted on said tow bar means to assist in loading and unloading goods to be dried through said front panels.