US 12,351,292 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. 18, 2023, as Appl. No. 18/223,347.
Claims priority of application No. 10-2023-0013420 (KR), filed on Feb. 1, 2023.
Prior Publication US 2024/0253761 A1, Aug. 1, 2024
Int. Cl. B64C 1/06 (2006.01)
CPC B64C 1/062 (2013.01) 20 Claims
OG exemplary drawing
 
1. A structure comprising:
a front unit configured to be located at front ends relative to wings attached to a fuselage;
a rear unit configured to located at rear ends relative to the wings attached to the fuselage;
a support unit configured to be connected between the front unit and the rear unit so as to transfer loads applied to the fuselage in case of a crash of the fuselage; and
a wing unit, comprising the wings, configured to be connected to the support unit so as to transfer the loads in case of the crash of the fuselage,
wherein loads in a length direction of the fuselage are passed through to the front unit, and are distributed to the wing unit through the support unit,
wherein the front unit comprises:
a window frame; and
roof frames configured to:
be connected to a rear end of the window frame, and
extend in the length direction of the fuselage so as to be connected to the support unit, and
wherein the support unit comprises:
a first flange configured to be connected to rear ends of the roof frames;
a second flange configured to be connected to a front end of the rear unit;
a plate configured to be provided between the first flange and the second flange; and
support fitting members configured to be provided on an inner surface of the first flange and an inner surface of the second flange.