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1.发明公开
公开(公告)号：EP4455018A1
公开(公告)日：2024-10-30
申请号：EP23169633.7
申请日：2023-04-24
IPC分类号： B64D37/06
摘要： The invention relates to a liner segment (10) for a frame bay (34) of a fuel tank structure, comprising a liner segment base body (12), wherein the liner segment base body (12) is adapted to float on fuel in the fuel tank structure, at least one liner segment side wall (14), wherein the at least one liner segment side wall extends from the liner segment base body (12), a multitude of drainage holes (16), wherein the multitude of drainage holes (16) is arranged in the liner segment base body (12), and wherein the multitude of drainage holes (16) is adapted to provide a bidirectional fluid connection from an upper side (18) of the liner segment (10) to a bottom side (20) of the liner segment (10) facing the fuel tank structure, at least one valve (22), arranged in a cut out (30) of the liner segment (10), wherein the at least one valve (22) is adapted to provide an unidirectional fluid connection from the bottom side (20) of the liner segment (10) to the upper side (18) of the liner segment (10), such that the unidirectional fluid connection is blocked in the opposite direction, such that a remaining portion of fuel within the fuel tank structure is reduced by securing the fuel flow from underneath a liner segment of an adjacent frame bay to the liner segment (10) that is needed to extend safe fuel pump operation in the fuel tank structure.
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