Flexible and fireproof APU drainage device

摘要

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.

主权项

1. An aircraft auxiliary power unit (APU) flexible and fireproof drainage device, comprising:
a bellows arranged to receive leakage fluids from an APU engine, a drain pipe arranged to transfer the received leakage fluids outside the aircraft from the bellows, and a support piece formed separately from and spaced from the bellows and surrounding the drain pipe.