SYSTEM OF PROTECTION OF AIRFRAME LOAD-BEARING COMPOSITE ELEMENTS Russian patent published in 2015 - IPC B64C1/08 F16L9/12 B32B1/08 B32B3/12 

FIELD: aviation.

SUBSTANCE: system of protection of load bearing composite elements contains external and internal skins, intermediate layer of protective filler. Between external and internal skins a primary protective layer is provisioned, which contacts the external surface of the protected airframe load bearing element - ribs of a netlike framework made of unidirectional composite material which is located between internal and external skins.

EFFECT: ensuring long-term durability of netlike frameworks at minimum weight costs with allowance for the requirements of shock durability and resistance to degradation of properties under the action of climatic factors.

2 dwg