Sustainable aircraft floorpath marking
AssigneeStg Aerospace Limited
InventorsSean Patrick O'Kell, Andrew Jon Hallett, Tracy Suresh Vyas-Middlecoat
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Abstract
An aircraft emergency guidance assembly arranged to be mounted in an aircraft cabin includes a longitudinally extending layer of photoluminescent material and a housing arranged to protect the photoluminescent material. The housing comprises a polymeric cover arranged to cover the layer of photoluminescent material. The polymeric cover comprises at least 20% recycled material by mass; and a biodegradable additive arranged to promote biodegradation of the polymeric cover.
Claims20
An aircraft emergency guidance assembly arranged to be mounted in an aircraft cabin, wherein the assembly comprises a longitudinally extending layer of photoluminescent material and a housing arranged to protect the photoluminescent material, the housing comprising a polymeric cover arranged to cover the layer of photoluminescent material, and wherein the polymeric cover comprises:
- at least 20% recycled material by mass;
- and
- a biodegradable additive, with a loading of the biodegradable additive of between 0.01% and 0.20% by mass, and wherein the loading of the biodegradable additive is set such that light transmission of the polymeric cover is at least 80%.
An aircraft having an aircraft cabin comprising an aircraft emergency guidance assembly that comprises a longitudinally extending layer of photoluminescent material and a housing arranged to protect the photoluminescent material, the housing comprising a polymeric cover arranged to cover the layer of photoluminescent material, and wherein the polymeric cover comprises:
- at least 20% recycled material by mass;
- and
- a biodegradable additive, with a loading of the biodegradable additive of between 0.01% and 0.20% by mass, and wherein the loading of the biodegradable additive is set such that light transmission of the polymeric cover is at least 80%.
Dependencies are inferred from the claim text.