Fire resistant bearing compartment cover
作者： Karl J. Yaeger , Martin J. Walsh
DOI:
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摘要: A fire resistant bearing compartment cover (86) for a gas turbine engine features fluid tight outer wall (106) comprised of an axially extending, radially converging support shell (90) and extending piston ring carrier (92) joined to the by circumferentially continuous joint (104). heatshield (110) inner end another (118) slidably engaging at expansion (128) defines stagnant air cavity (112). The arrangement reduces likelihood that any oil leaking out will accumulate be ignited cooling (45) which leaks into cavity.
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