US 12,404,027 B2
Collision load distribution structure of fuselage
Won Ki Song, Seongnam-si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Jul. 20, 2023, as Appl. No. 18/224,283.
Claims priority of application No. 10-2022-0155970 (KR), filed on Nov. 21, 2022.
Prior Publication US 2024/0166354 A1, May 23, 2024
Int. Cl. B64D 11/06 (2006.01); B64C 1/06 (2006.01)
CPC B64D 11/0619 (2014.12) [B64C 1/062 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An aircraft collision load distribution structure comprising:
a support unit positioned between a front unit and a rear unit of a fuselage and configured to allow a collision load of the fuselage to be transferred via connections to the front unit and the rear unit, wherein the front unit comprises a floor frame;
a wing unit positioned at an inner side of the support unit and connected to the support unit so as to be configured to allow the collision load of the fuselage to be transferred;
a first rear frame, the first rear frame comprising a left portion and a right portion, wherein the left and right portions each extends in a height direction from the floor frame so as to transfer loads from a lower part of the fuselage to an upper part of the fuselage; wherein an upper portion of the first rear frame is connected to the support unit; and
a seat unit that is configured to reinforce transverse rigidity and vertical rigidity of the fuselage, the seat unit comprising:
a seat cross member connected to and extending between the left portion and the right portion of the first rear frame;
at least one cushion support member protruding from the seat cross member and configured to support a seat cushion; and
a pair of seat support members each extending from a lower part of the seat cross member to a corresponding connection frame, of a pair of connection frames, that is mounted in the floor frame, wherein the seat support members are configured to support a seating load applied to the seat cushion and transferred from the seat cross member and the cushion support member.