An aircraft auxiliary power unit (APU) flexible and fireproof drainage device including a bellows which receives leakage fluids from an APU engine; a drain pipe which transfers leakage fluids outside the aircraft from the bellows, and a support piece surrounding the drain pipe. The bellows connects the APU engine with the drain pipe. The support piece provides stability to the bellows and the drain pipe.
Flexible and fireproof APU drainage device
2017-02-14
Patent
Electronic Resource
English
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