The disclosure provides in one embodiment for a vent dam for use in a vent stringer in a fuel vent system. The vent dam comprises a contoured guiding surface for guiding fluid flow in a vent stringer. The vent dam further comprises one or more side flanges extending from the contoured guiding surfac
The disclosure provides in one embodiment for a vent dam for use in a vent stringer in a fuel vent system. The vent dam comprises a contoured guiding surface for guiding fluid flow in a vent stringer. The vent dam further comprises one or more side flanges extending from the contoured guiding surface for providing attachment of the vent dam within the vent stringer.
대표청구항▼
1. A vent dam for use in a vent stringer in a fuel vent system, the vent dam mounted to and within the vent stringer, the vent dam comprising: a contoured guiding surface for guiding fuel flow into and out of an interior of a vent stringer, wherein the vent dam, the vent stringer, and a tube attache
1. A vent dam for use in a vent stringer in a fuel vent system, the vent dam mounted to and within the vent stringer, the vent dam comprising: a contoured guiding surface for guiding fuel flow into and out of an interior of a vent stringer, wherein the vent dam, the vent stringer, and a tube attached to the vent stringer are in fluid communication with one or more fuel tanks; and,one or more side flanges extending from the contoured guiding surface for providing attachment of the vent dam to one or more interior portions of the vent stringer. 2. The vent dam of claim 1, wherein the contoured guiding surface is curved. 3. The vent dam of claim 1, wherein the vent dam is a two piece vent dam. 4. The vent dam of claim 1, wherein the one or more side flanges are mechanically attached to the vent stringer via one or more fastener elements. 5. The vent dam of claim 1, wherein the one or more side flanges are bonded to the vent stringer via a bonding agent. 6. The vent dam of claim 1, wherein the vent dam is made of a material selected from the group comprising a composite material, a metal material, aluminum, titanium, carbon fiber reinforcement plastic (CFRP), a carbon fiber impregnated fabric, nylon, carbon fiber laminate, and polyaryletheretherketone (PEEK). 7. The vent dam of claim 1, wherein the vent dam is made of a material that is compatible with a material comprising the vent stringer. 8. The vent dam of claim 1, wherein the fuel flow is selected from the group comprising a fuel, a fuel vapor, and inerting gasses. 9. A fluid dynamic fuel vent dam for use in a vent stringer in a fuel tank, the vent dam mounted to and within the vent stringer, the vent dam comprising: a first piece joined to a second piece with an overlapping configuration at a seam formed between the first piece and the second piece;a curved guiding surface for guiding fuel flow into and out of an interior of the vent stringer, wherein the vent dam, the vent stringer, and a tube attached to the vent stringer are in fluid communication with the fuel tank; and,one or more side flanges extending from the curved guiding surface for providing attachment of the vent dam to one or more interior portions of the vent stringer. 10. The vent dam of claim 9, further comprising one or more attachment elements for joining the first piece to the second piece. 11. The vent dam of claim 9, wherein the curved guiding surface prevents turbulence in the fuel flow which results in a reduced pressure drop across the vent dam. 12. An aircraft structure comprising: at least one wing;at least one vent stringer mounted to the at least one wing, the at least one vent stringer comprising a base portion, first and second web walls extending outwardly from the base portion, a cap portion, and an access opening in the cap portion, the access opening configured for insertion and installation of at least one vent dam;at least one fuel tank; and,the at least one vent dam mounted to and within the at least one vent stringer, the at least one vent dam comprising: a contoured guiding surface for guiding fuel flow into and out of an interior of the at least one vent stringer, wherein the at least one vent dam, the at least one vent stringer, and a tube attached to the at least one vent stringer are in fluid communication with the at least one fuel tank; and,one or more side flanges extending from the contoured guiding surface for providing attachment of the at least one vent dam to one or more interior portions of the at least one vent stringer. 13. The aircraft structure of claim 12, wherein the contoured guiding surface is curved. 14. The aircraft structure of claim 12, wherein the at least one vent dam is a two piece fuel vent dam. 15. The vent dam of claim 1 wherein the vent dam, the vent stringer, and the tube attached to the vent stringer are all attached within the one or more fuel tanks. 16. The vent dam of claim 1 wherein the tube is elongated and has one end attached to the vent stringer at an opening into the interior of the vent stringer. 17. The vent dam of claim 9 wherein the vent dam, the vent stringer, and the tube attached to the vent stringer are all attached within the fuel tank. 18. The vent dam of claim 9 wherein the tube is elongated and has one end attached to the vent stringer at an opening into the interior of the vent stringer. 19. The aircraft structure of claim 12 wherein the at least one vent dam, the at least one vent stringer, and the tube attached to the at least one vent stringer are all attached within the at least one fuel tank. 20. The aircraft structure of claim 12 wherein the tube is elongated and has one end attached to the at least one vent stringer at an opening into the interior of the at least one vent stringer.
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이 특허에 인용된 특허 (3)
Johnson Warren A. (San Diego CA) Harding Geoffrey A. (Chula Vista CA), Arrangement for maintaining laminar air flow over gaps in aircraft engine nacelle surfaces.
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