A ventilated garment includes a head cover and a ventilation system associated with the head cover. The ventilation system can include a helmet supported by the wearer of the garment and a number of piezo fan assemblies mounted on the helmet. The piezo fan assemblies includes a number of piezo blades...http://www.google.es/patents/US20030182711?utm_source=gb-gplus-sharePatente US20030182711 - Piezo fan for ventilated garment
Número de solicitud: 10/106,732 Número de publicación: US 2003/0182711 A1 Fecha de presentación: 26 Mar 2002 Patente emitida: US6751807 ( Fecha de emisión 22 Jun 2004)