Patent ID: 6085439
Filing Date: 2000-07-11
Classification: F26B

Abstract:
An apparatus for airing grains stored in bulk on a floor of a depot, the apparatus comprising:a duct for placing on said floor where it may be covered by grain in storage, andapron means for anchoring said duct to said floor;wherein said duct:has an inner surface, an outer surface and two longitudinal edges, said longitudinal edges extending substantially parallel to one another and bearing on respective ones of said apron means,is connected to be supplied with air from blower means,is provided with outlet openings for injecting said air into said grains, said openings located adjacent or near to said longitudinal edges of the duct, andis made of half-cilindered corrugated sheet featuring transversal substantially sine-waveform reinforcement corrugations;each of said apron means includes:a substantially horizontal wing for anchoring onto said floor thereby forming an air channel between said floor and the inner surface of the duct anda second wing extending perpendicular to the horizontal wing up to a level at least approximately equal to the level of said air outlet openings;and wherein the cross section of each duct sheet is a half-circle such that said duct longitudinal edges thereby bear perpendicularly on said respective horizontal wings of said aprons.