Back to results
US 11,788,658 B2Granted
Duct stringer
AssigneeAirbus Operations GmbH
InventorsPaul Douglas, Anthony John Bryant
Life of this patent
Estimating the term…
Abstract
A duct stringer forms at least part of a duct with a closed cross-section which is adapted to transport fluid. The duct stringer has a duct wall and a female bayonet fitting in the duct wall. The female bayonet fitting is configured to engage with a male bayonet fitting on a fluid transporting conduit to connect the fluid transporting conduit with the duct.
Claims15
A duct stringer, comprising:
- a duct with a closed cross-section which is adapted to transport fluid;
- a duct wall with an internal duct surface inside the duct and an external surface outside the duct;
- and
- a female bayonet fitting in the duct wall,
- wherein the female bayonet fitting is configured to engage with a male bayonet fitting on a fluid transporting conduit to connect the fluid transporting conduit with the duct, and the female bayonet fitting is defined between the internal duct surface and the external surface,
- wherein the duct wall comprises an aperture between the internal duct surface and the external surface, and the female bayonet fitting comprises at least two shots extending through the duct wall, and
- wherein a retaining recess extends in the internal duct surface from east slot.
4 more elements
A duct stringer comprising:
- a duct with a closed cross-section which is adapted to transport fluid;
- a duct wall with an internal duct surface inside the duct and an external surface outside the duct;
- and
- a female bayonet fitting in the duct wall;
- wherein the female bayonet fitting is configured to engage with a male bayonet fitting on a fluid transporting conduit to connect the fluid transporting conduit with the duct, and the female bayonet fitting is defined between the internal duct surface and the external surface,
- wherein the duct stringer has a hat-shaped profile and comprises a pair of webs, a pair of feet and a crown, and wherein the duct wall comprises the crown.
3 more elements
An aircraft assembly comprising a duct stringer comprising:
- a duct with a closed cross-section which is adapted to transport fluid;
- a duct wall with an internal duct surface inside the duct and an external surface outside the duct;
- and
- a female bayonet fitting in the duct wall,
- wherein the female bayonet fitting is configured to engage with a male bayonet fitting on a fluid transporting conduit to connect the fluid transporting conduit with the duct, and the fame bayonet fitting is defined between the internal duct surface and the external surface, and an aircraft skin,
- wherein the duct stringer is adhered to the aircraft skin.
3 more elements
Dependencies are inferred from the claim text.