US 11,866,190 B2
Removable floor system with auxiliary fuel tanks for an aircraft
Iftach Zadaka, Rishon le Zion (IL); Yossi Guetta, Bat Yam (IL); and Uri Pinhasi, Katzir (IL)
Assigned to ISRAEL AEROSPACE INDUSTRIES LTD., Lod (IL)
Appl. No. 17/252,898
Filed by ISRAEL AEROSPACE INDUSTRIES LTD., Lod (IL)
PCT Filed Jun. 18, 2019, PCT No. PCT/IL2019/050678
§ 371(c)(1), (2) Date Dec. 16, 2020,
PCT Pub. No. WO2019/244150, PCT Pub. Date Dec. 26, 2019.
Claims priority of application No. 260172 (IL), filed on Jun. 20, 2018.
Prior Publication US 2021/0316876 A1, Oct. 14, 2021
Int. Cl. B64D 37/04 (2006.01); B64C 1/18 (2006.01); B64D 37/08 (2006.01); B64D 37/32 (2006.01); B64C 27/04 (2006.01)
CPC B64D 37/04 (2013.01) [B64C 1/18 (2013.01); B64C 27/04 (2013.01); B64D 37/08 (2013.01); B64D 37/32 (2013.01)] 34 Claims
OG exemplary drawing
 
1. A floor system designed for use with an aircraft, the aircraft including a cabin and an original cabin floor, the floor system being configured to be detachably installed within said cabin and overlying the original cabin floor, the floor system comprising:
one or more bottom panels configured to match at least a portion of the original cabin floor;
one or more top panels configured for providing, when the floor system is installed in the aircraft over the original cabin floor, a replacement cabin floor of the cabin overlying and replacing said at least portion of the original cabin floor,
wherein said replacement cabin floor is configured for providing a similar load-carrying capacity for the aircraft as said original cabin floor,
wherein said one or more top panels each define a general planar surface;
and
one or more fuel tanks disposed between the one or more top panels and the one or more bottom panels and defining an internal space for containing liquid fuel therewithin, the one or more fuel tanks covering substantially the entire said original cabin floor and fastened to the cabin via a restraining device, at least one of said one or more fuel tanks being configured for connection to an auxiliary fuel port of the aircraft for enabling supplying said fuel to the aircraft;
wherein the floor system comprises a height, a width and a length, wherein said height is less than said width, and wherein said height is less than said length; and
wherein said height is independent of a level of fuel accommodated in the tank.