IP Library › Granted Patent US 12,404,025
Granted Patent B2
US 12,404,025 · App. 18/171,571 · Granted Sep 2, 2025

Protective moisture dam in an aircraft cabin assembly

Inventors: Erik Ivar Wiman (Everett, WA); Marat Denuski (Kenmore, WA)
Assignee: THE BOEING COMPANY
B64D11/02B64D11/04
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Quick Facts
Patent No.
US 12,404,025
App. No.
18/171,571
Granted
Sep 2, 2025
Kind
B2
Abstract

Present aspects are directed to a protective moisture dam comprising a first and second retainer and a protective sleeve for preventing a moisture/fluid flow from progressing from an aircraft cabin monument floor to an adjoining compartment located beneath an aircraft cabin monument floor.

Claims (46)

1. An aircraft cabin assembly comprising:

an aircraft cabin floor, said aircraft cabin floor comprising an aircraft cabin floor first side and an aircraft cabin floor second side, said aircraft cabin floor further comprising an aircraft cabin floor through opening, said aircraft cabin floor through opening extending through a thickness of the aircraft cabin floor from the aircraft cabin floor first side to the aircraft cabin floor second side, said aircraft cabin floor through opening comprising an aircraft cabin floor through opening perimeter;

a moisture dam assembly, said moisture dam assembly fixedly and removably attached to the aircraft cabin floor through opening perimeter, said moisture dam assembly comprising:

a first retainer, said first retainer comprising a first retainer wall, said first retainer wall comprising a first retainer wall first side having a first retainer wall first side perimeter, said first retainer wall further comprising a first retainer second side having a first retainer wall second side perimeter, said first retainer wall second side perimeter defining a first retainer through opening, said first retainer further comprising a first retainer flange, said first retainer flange configured to contact the aircraft cabin floor first side, said first retainer flange further dimensioned to retain the first retainer within the aircraft cabin floor through opening;

a second retainer, said second retainer comprising a second retainer wall, said second retainer wall comprising a second retainer wall first side having a second retainer wall first side perimeter, said second retainer wall further comprising a second retainer wall second side having a second retainer wall second side perimeter, said second retainer wall configured to mate with said first retainer wall;

a flexible sleeve, said flexible sleeve comprising a flexible sleeve first side and a flexible sleeve second side, said flexible sleeve further comprising a flexible sleeve first end having a flexible sleeve first end perimeter, said flexible sleeve further comprising a flexible sleeve second end having a flexible sleeve second end perimeter, said flexible sleeve first end perimeter fixedly interposed between said first retainer wall and said second retainer wall;

a flexible sleeve retainer strap configured to engage said flexible sleeve second end, said flexible sleeve retainer strap further configured to alter a dimension of the flexible sleeve second end perimeter, said flexible sleeve retainer further comprising a first connector,

a monument strap fixedly attached to a monument fixture, said monument strap further comprising a second connector; and

wherein said first connector is configured to removably mate with said second connector.

2. The aircraft cabin assembly of claim 1 , wherein said flexible sleeve first end perimeter is fixedly interposed between said first retainer wall first side and said second retainer wall second side.

3. The aircraft cabin assembly of claim 1 , wherein said flexible sleeve first end perimeter is fixedly interposed between said first retainer wall second side and said second retainer wall first side.

4. The aircraft cabin assembly of claim 1 , wherein said flexible sleeve further comprises a flexible sleeve selected length, said flexible sleeve selected length extending from the flexible sleeve first end to the flexible sleeve second end.

5. The aircraft cabin assembly of claim 1 , wherein said second retainer is configured to mate with said first retainer, said flexible sleeve first end configured to be fixedly and removably retained in a frictional fit between said first retainer and said second retainer.

6. The aircraft cabin assembly of claim 1 , wherein said flexible sleeve comprises a tubular configuration.

7. The aircraft cabin assembly of claim 6 , wherein said tubular configuration comprises a frustoconical configuration.

8. An aircraft comprising the aircraft cabin assembly of claim 1 .

9. The aircraft cabin assembly of claim 1 , wherein said monument fixture is an aircraft cabin monument wall.

10. An apparatus comprising:

a moisture dam assembly, said moisture dam assembly configured to fixedly and removably attach to an aircraft cabin floor, said moisture dam assembly comprising:

a first retainer, said first retainer comprising a first retainer wall, said first retainer wall comprising a first retainer wall first side having a first retainer wall first side perimeter, said first retainer wall further comprising a first retainer wall second side having a first retainer wall second side perimeter, said first retainer wall second side defining a first retainer through opening, said first retainer further comprising a first retainer flange, said first retainer flange configured to contact an aircraft compartment floor first side, said first retainer flange further dimensioned to retain the first retainer within an aircraft cabin floor through opening;

a second retainer, said second retainer comprising a second retainer wall, said second retainer wall comprising a second retainer wall first side having a second retainer wall first side perimeter, said second retainer wall further comprising a second retainer wall second side having a second retainer wall second side perimeter, said second retainer wall configured to mate with said first retainer wall;

a flexible sleeve, said flexible sleeve comprising a flexible sleeve first side and a flexible sleeve second side, said flexible sleeve further comprising a flexible sleeve first end having a flexible sleeve first end perimeter, said flexible sleeve further comprising a flexible sleeve second end having a flexible sleeve second end perimeter, said flexible sleeve first end perimeter fixedly interposed between said first retainer wall and said second retainer wall;

a flexible sleeve retainer strap in communication with said flexible sleeve second end, said flexible sleeve retainer strap further configured to alter a dimension of the flexible sleeve second end perimeter, said flexible retainer strap further comprising a first connector, one end of the first connector terminating at said first connector;

a monument strap fixedly attached to a monument fixture, said monument strap further comprising a second connector; and

wherein said first connector is configured to removably mate with said second connector.

11. The apparatus of claim 10 , wherein said flexible sleeve first end perimeter is fixedly interposed between said first retainer wall first side and said second retainer wall second side.

12. The apparatus of claim 10 , wherein said flexible sleeve first end perimeter is fixedly interposed between said first retainer wall second side and said second retainer wall first side.

13. The apparatus of claim 10 , wherein said flexible sleeve further comprises a flexible sleeve selected length, said flexible sleeve selected length extending from the flexible sleeve first end to the flexible sleeve second end.

14. The apparatus of claim 10 , wherein said second retainer is configured to mate with said first retainer, said flexible sleeve first end configured to be fixedly and removably retained in a frictional fit between said first retainer and said second retainer.

15. The apparatus of claim 10 , wherein said flexible sleeve comprises a tubular configuration.

16. The apparatus of claim 15 , wherein said tubular configuration comprises a frustoconical configuration.

17. The apparatus of claim 10 , wherein said monument fixture is an aircraft cabin monument wall.

18. A method comprising:

installing a moisture dam assembly into an aircraft cabin floor, said aircraft cabin floor comprising an aircraft cabin floor opening, said moisture dam assembly comprising:

a first retainer, said first retainer comprising a first retainer wall, said first retainer wall comprising a first retainer wall first side having a first retainer wall first side perimeter, said first retainer wall further comprising a first retainer wall second side having a first retainer wall second side perimeter, said first retainer wall second side defining a first retainer through opening, said first retainer further comprising a first retainer flange, said first retainer flange configured to contact an aircraft compartment floor first side, said first retainer flange further dimensioned to retain the first retainer within an aircraft cabin floor through opening;

a second retainer, said second retainer comprising a second retainer wall, said second retainer wall comprising a second retainer wall first side having a second retainer wall first side perimeter, said second retainer wall further comprising a second retainer wall second side having a second retainer wall second side perimeter, said second retainer configured to mate with said first retainer;

a flexible sleeve, said flexible sleeve comprising a flexible sleeve first side and a flexible sleeve second side, said flexible sleeve further comprising a flexible sleeve first end having a flexible sleeve first end perimeter, said flexible sleeve further comprising a flexible sleeve second end having a flexible sleeve second end perimeter, said flexible sleeve first end perimeter fixedly interposed between said first retainer wall and said second retainer wall;

a flexible sleeve retainer strap in communication with said flexible sleeve second end, said flexible sleeve retainer strap further configured to alter a dimension of the flexible sleeve second end perimeter, said flexible sleeve retainer strap further comprising a first connector;

a monument strap fixedly attached to a monument fixture, said monument strap further comprising a second connector; and

wherein said first connector is configured to removably mate with said second connector.

19. The method of claim 18 , further comprising:

preventing a moisture flow from passing through an aircraft cabin floor opening.

20. The method of claim 18 , further comprising:

sealing the aircraft cabin floor opening by fixedly and removably attaching the flexible sleeve first end of the moisture dam assembly at a flexible sleeve first end/first retainer/second retainer interface at an aircraft cabin floor opening perimeter of the aircraft cabin floor through opening.

21. The method of claim 18 , wherein said flexible sleeve first end perimeter is fixedly and removably interposed between said first retainer wall first side and said second retainer wall second side.

22. The method of claim 18 , wherein said flexible sleeve first end perimeter is fixedly and removably interposed between said first retainer wall second side and said second retainer wall first side.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 20, 2023
From: WIMAN, ERIK IVAR; DENUSKI, MARAT
To: THE BOEING COMPANY
Reel/Frame 062744/0824 →
Continuity (1)
Related Publication 20240278918A1 · Aug 22, 2024
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