A method and system for a compartment baffle system are provided. The compartment baffle system includes a first baffle portion extending along an axial length of a casing, the first baffle portion extending radially outwardly from an outer surface of the casing and a second baffle portion extending
A method and system for a compartment baffle system are provided. The compartment baffle system includes a first baffle portion extending along an axial length of a casing, the first baffle portion extending radially outwardly from an outer surface of the casing and a second baffle portion extending at least partially radially outwardly from the first baffle portion. The second baffle portion further includes a radially inner edge supported by the first baffle portion and a radially outer edge extending proximate an inner surface of a radially outer cowl. The compartment baffle system also includes a gap extending between the radially outer edge and the inner surface.
대표청구항▼
1. A compartment baffle system comprising: a first baffle portion extending along an axial length of a casing, said first baffle portion extending radially outwardly from an outer surface of the casing;a second baffle portion extending at least partially radially outwardly from said first baffle por
1. A compartment baffle system comprising: a first baffle portion extending along an axial length of a casing, said first baffle portion extending radially outwardly from an outer surface of the casing;a second baffle portion extending at least partially radially outwardly from said first baffle portion, said second baffle portion comprising:a radially inner edge supported by said first baffle portion; anda radially outer edge extending proximate an inner surface of a radially outer cowl; anda gap extending between said radially outer edge and said inner surface. 2. The compartment baffle system of claim 1, wherein said casing includes a cylindrical cross-section. 3. The compartment baffle system of claim 1, wherein said cowl includes a cylindrical cross-section concentric with a longitudinal axis of said casing. 4. The compartment baffle system of claim 1, wherein said radially inner edge is coupled to a radially outer edge of said first baffle portion. 5. The compartment baffle system of claim 1, wherein said radially inner edge of said second baffle portion is spaced circumferentially from said radially outer edge of said first baffle portion. 6. The compartment baffle system of claim 1, further comprising a spacer positioned between said radially inner edge of said second baffle portion and said radially outer edge of said first baffle portion, said spacer configured to maintain a gap between said radially inner edge of said second baffle portion and said radially outer edge of said first baffle portion. 7. The compartment baffle system of claim 1, further comprising a seal between said cowl and said radially outer edge of said second baffle portion. 8. The compartment baffle system of claim 1, further comprising at least one of a brush seal and a bulb seal between said cowl and said radially outer edge of said second baffle portion. 9. A gas turbine engine comprising: a gas generator comprising a shaft having an axis of rotation;a fan casing at least partially circumscribing said gas generator;a first baffle portion extending along an axial length of said casing, said first baffle portion extending radially outwardly from an outer surface of the casing;a second baffle portion extending at least partially radially outwardly from said first baffle portion, said second baffle portion comprising:a radially inner edge supported by said first baffle portion; anda radially outer edge extending proximate an inner surface of a radially outer cowl; anda gap extending between said radially outer edge and said inner surface. 10. The gas turbine engine of claim 9, wherein said casing includes a cylindrical cross-section. 11. The gas turbine engine of claim 9, wherein said cowl includes a cylindrical cross-section concentric with a longitudinal axis of said casing. 12. The gas turbine engine of claim 9, wherein said radially inner edge is coupled to a radially outer edge of said first baffle portion. 13. The gas turbine engine of claim 9, wherein said radially inner edge of said second baffle portion is spaced circumferentially said radially outer edge of said first baffle portion. 14. The gas turbine engine of claim 9, further comprising a spacer positioned between said radially inner edge of said second baffle portion and said radially outer edge of said first baffle portion, said spacer configured to maintain a gap between said radially inner edge of said second baffle portion and said radially outer edge of said first baffle portion. 15. The gas turbine engine of claim 9, further comprising a seal between said cowl and said radially outer edge of said second baffle portion. 16. The gas turbine engine of claim 9, further comprising at least one of a brush seal and a bulb seal between said cowl and said radially outer edge of said second baffle portion. 17. A method of forming a gas turbine engine fan compartment fire baffle, said method comprising: coupling a first baffle portion along an axial length of a casing, the first baffle portion including a first radially inner edge, a first radially outer edge, and a first body extending therebetween, the casing forming a radially inner surface of the fan compartment, the first baffle portion extending radially outwardly from an outer surface of the casing;coupling a second baffle portion to the radially outer edge, the second baffle portion extending at least partially radially outwardly from the first radially outer edge, the second baffle portion including:a second radially inner edge supported by the first radially outer edge; anda second radially outer edge extending proximate an inner surface of a radially outer cowl, the radially outer cowl forming a radially outer surface of the fan compartment; andmaintaining a gap that extends between the second radially outer edge and the inner surface of the outer cowl. 18. The method of claim 17, wherein coupling a first baffle portion along an axial length of a casing comprises coupling a first baffle portion along an axial length of a casing formed of a composite material. 19. The method of claim 17, wherein coupling a plurality of first baffle portions along an axial length of the casing, each of the plurality of first baffle portions spaced circumferentially about the outer surface of the casing. 20. The method of claim 17, wherein coupling a first baffle portion along an axial length of a casing comprises coupling a first baffle portion formed of at least one of a composite material and titanium along an axial length of the casing.
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이 특허에 인용된 특허 (10)
Kraft Kurt R. ; Vieth Gary L. ; Louden Peter J., Aircraft labyrinth fire seal.
Brodell Robert F. (Marlborough CT) Hovan Edward J. (Manchester CT) Selfors Steven T. (Somerville MA) Loffredo Constantino V. (Newington CT) Duesler Paul W. (Manchester CT), Nacelle and mounting arrangement for an aircraft engine.
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