Patent ID: 8702038

Claim:
A pressure fuselage of an aircraft or a spacecraft having a longitudinal axis and comprising: at least two fuselage sections disposed along the longitudinal axis of the fuselage; at least one pressure calotte disposed in the fuselage so as to form a pressurized area; and an arcuate frame profile including: a Y-shaped cross-section with a long profile leg that has a length and is connected to at least one of the at least two fuselage sections and a short profile leg that has a length less than the length of the long profile leg and that extends at an acute angle from the long profile leg toward an inside of the at least two fuselage sections and attached to the at least one pressure calotte, and at least one U-shaped arcuate stiffening clement disposed at least partially within the acute angle, the at least one U-shaped arcuate stiffening element including a first leg connected to the long profile leg and a second leg connected to the short profile leg.