Patent ID: 9266597
Filing Date: 2016-02-23
CPC Classification: B64B

Claim Text:
1. A light weight hull for a rigid airship comprising: an internal main frame for carrying bending moment and structural loads, the internal main frame having a longitudinal axis and comprising a center section, a fore section and an aft section; wherein the center section comprises at least two generally trapezoidal bulkheads oriented generally perpendicularly to the longitudinal axis, the at least two generally trapezoidal bulkheads being interconnected by longitudinal members, the longitudinal members being oriented generally parallel to the longitudinal axis; wherein each of the at least two generally trapezoidal bulkheads is comprised of a plurality of modular truss assemblies; wherein each of the modular truss assemblies of the at least two generally trapezoidal bulkheads comprises: an external aeroshell attached to the main frame wherein the aeroshell carries aerodynamic loads induced on the hull, the aeroshell comprising,