Patent ID: 7549707

Claim:
A ventilation seat comprising: an air permeable outer trim layer; a shaped foam body having: an upper surface and a lower surface, being located below the trim layer, and being adapted for use as at least one of a seat cushion or a seat backrest; a passageway extending through the shaped foam body between the upper and the lower surfaces, the passageway being generally centrally located in the shaped foam body; a spacer layer that is generally planer having a plurality of walls that are generally orthogonally disposed relative to the upper surface of the shaped foam body, wherein the spacer layer is formed of polymeric strand material that is interwoven to provide opposing honeycomb structures, which are interconnected by several additional polymeric strand materials to provide open space between the structures while still providing cushion and support; a layer of adhesive in contact with the spacer layer, wherein the adhesive is used for securing the spacer layer in position; a blower in fluid communication with the spacer layer for moving air within the shaped foam body and across the spacer layer; a tubular structure for providing fluid communication between the blower and the shaped foam body; a support disposed over the passageway for providing a continuity of support along with the shaped foam body; a heater layer disposed on top of the spacer layer; and a buffer layer adjacent to the heater layer.