US2016200417A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016200417-A1 |
| Application number | US-201614992583-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 11, 2016 |
| Priority date | Jan 12, 2015 |
| Publication date | Jul 14, 2016 |
| Grant date | — |
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A floor arrangement for a passenger cabin of an aircraft or spacecraft includes mounting rails for mounting cabin outfitting components, wherein each mounting rail has at least one upper support flange for supporting floor panels. The floor arrangement further includes curved floor panels being inherently formed with a convex top surface and a concave bottom surface, wherein each curved floor panel is mounted to two respective adjacent mounting rails and is supported by one respective upper support flange of each of the two adjacent mounting rails.
Opening claim text (preview).
1 . A floor arrangement for a passenger cabin of an aircraft or spacecraft, comprising: mounting rails for mounting cabin outfitting components, wherein each mounting rail comprises at least one upper support flange for supporting floor panels; and curved floor panels being inherently formed with a convex top surface and a concave bottom surface, wherein each curved floor panel is mounted to two respective adjacent mounting rails, wherein each curved floor panel is supported by one respective upper support flange of each of the two adjacent mounting rails. 2 . The floor arrangement according to claim 1 , wherein each curved floor panel is formed with two straight side edges, each of which rests on one respective upper support flange of the two respective adjacent mounting rails. 3 . The floor arrangement according to claim 1 , wherein at least one of the convex top surface and the concave bottom surface of the curved floor panel is curved according to a section of a circumferential surface of a circular cylinder. 4 . The floor arrangement according to claim 1 , wherein each curved floor panel is flattened through fastening of the curved floor panel under tension to the two respective adjacent mounting rails. 5 . The floor arrangement according to claim 4 , wherein each flattened curved floor panel has a vertical rise in between its side edges of less than 10 millimeters. 6 . The floor arrangement according to claim 1 , wherein the curved floor panels are formed as a composite lay-up structure. 7 . The floor arrangement according to claim 1 , wherein the curved floor panels are formed from fiber-reinforced plastic. 8 . The floor arrangement according to claim 7 , wherein the curved floor panels are preformed into a curved configuration and hardened in an autoclave process. 9 . The floor arrangement according to claim 1 , wherein the curved floor panels are formed with a honeycomb structure between the top surface and the bottom surface. 10 . The floor arrangement according to claim 1 , further comprising: a sealing being located between the upper support flanges of the mounting rails and the curved floor panels. 11 . The floor arrangement according to claim 10 , wherein the sealing is formed as a foam profile that has an open-cell or closed-cell structure. 12 . The floor arrangement according to claim 10 , wherein the sealing is adhesively fixed to the curved floor panels. 13 . The floor arrangement according to claim 1 , further comprising: fasteners fixing the curved floor panels to the upper support flanges of the mounting rails. 14 . The floor arrangement according to claim 13 , wherein the fasteners are formed as at least one of bolts, screws, rivets, pins and plugs. 15 . An aircraft or spacecraft comprising a passenger cabin with a floor arrangement, the floor arrangement comprising: mounting rails for mounting cabin outfitting components, wherein each mounting rail comprises at least one upper support flange for supporting floor panels; and curved floor panels being inherently formed with a convex top surface and a concave bottom surface, wherein each curved floor panel is mounted to two respective adjacent mounting rails, wherein each curved floor panel is supported by one respective upper support flange of each of the two adjacent mounting rails.
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