Patent ID: 8328130
Filing Date: 2012-12-11
Classification: B33Y,B64C,Y10T

Abstract:
1. An unmanned aerial vehicle (UAV) comprising: a ducted fan comprising a duct ring and a duct lip connected to the duct ring; a plurality of aerodynamic components comprised of a light weight foam material, the plurality of aerodynamic components comprising the duct lip; and a plurality of structural components configured to support and interconnect the aerodynamic components, the plurality of structural components comprising the duct ring, wherein the structural components each comprise at least one of a metal, wood, or composite material, and wherein at least one structural component of the plurality of structural components comprises a frangible resin material having a fiber length configured to separate or disintegrate upon application of a predetermined stress level, wherein the frangible resin material and the fiber length are selected based on the predetermined stress level.