US Patent 7261371 Ventilation system for an upholstery part

A ventilation system comprises a seat, a first fan, and a second fan. The seat has an upholstery part that includes a shaped body. The shaped body has a bearing surface, a rear side opposite the bearing surface, a first opening extending generally from the bearing surface to the rear side, and a second opening. The first fan is coupled to the first opening and is configured to generate a first flow of air generally perpendicular to the bearing surface. The second fan is coupled to second opening and is configured to generate a second flow of air generally transverse to the first flow of air.