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US 5,476,237 AGranted
Syntactic film for thrust reverser blocker doors
AssigneeNorthrop Grumman Corporation
InventorJames A. Clarke
Life of this patent
Estimating the term…
Abstract
Thrust reverser blocker doors which include a syntactic film to protect the blocker doors from heat is disclosed. The blocker doors include first and second spaced layers of composite material. A first adhesive layer is disposed on the second layer and is used to bond the syntactic film to the second layer of composite material. To prevent surface erosion a protective layer can be bonded to the syntactic film by a second adhesive layer.
Claims4
A thrust reverser blocker door for an aircraft jet engine comprising:
- first and second spaced layers of composite material wherein each of said layers has spaced opposite forward and rear edges and a surface extending between said edges, said first layer of composite material forming an exposed outer surface of said blocker door;
- a first layer of adhesive material disposed on said second layer of composite material;
- a syntactic film disposed on said first layer of adhesive material;
- a second layer of adhesive material disposed on said syntactic film;
- and
- a protective layer of erosion resistant material disposed on said second layer of adhesive material.
3 more elements
A thrust blocker door for an aircraft jet engine comprising:
- first and second spaced layers of composite material comprising high temperature graphite reinforced bismeleimides, wherein each of said layers has spaced opposite forward and rear edges and a surface extending between said edges, said first layer of composite material forming an exposed outer surface of said blocker door;
- a first layer of adhesive material disposed on said second layer of composite material, wherein said first layer of adhesive material comprises a layer of a high temperature glass fabric having disposed thereon an adhesive material selected from the group consisting of bismaleimide, epoxy and polyimide systems;
- and
- a syntactic film disposed on said first layer of adhesive material, wherein said syntactic film comprises a sheet of glass bubbles having disposed thereon a resin layer, wherein said resin layer comprises a resin selected from the group consisting of epoxy and polyimide.
1 more element
Dependencies are inferred from the claim text.