Patent ID: 7806951

Claim:
A mobile airborne contaminant control system comprising: an outer chamber including a front wall, a roof, a floor and at least two side walls and possessing a fan end and a door end opposite said fan end, said outer chamber enclosing: an intake filter system including: a top filter: a plurality of side filters, at least two of said plurality of side filters attached to said top filter and at least two of said plurality of side filters contacting said floor of said outer chamber; and, a back filter opposite said door end and functionally attached to said top filter and said plurality of side filters; wherein said intake filter system includes a tapered shape with the narrow end of said tapered shape proximate to said back filter and the wide end of said tapered shape proximate to said door end; at least one airway formed downstream from said filter system between said intake filter system and said outer chamber; at least one fan, said at least one fan located between said back filter and said fan end; at least one air exhaust system extending from at least one of said at least one fan and directing exhaust air from said at least one fan to the exterior of said outer chamber; and, at least two wheels operatively attached to said floor.