Aircraft intake method

Details Aircraft intake method Aircraft intake method

1998-01-29

1999-05-25

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft power plants

B64D 3302

Patent

active

059063343

ABSTRACT:
An aircraft turboshaft engine intake includes an axial diffuser and a colinear plenum disposed in flow communication therewith for collecting diffuser air therefrom. A scroll is disposed radially below the plenum in flow communication therewith for accelerating the plenum air for discharge to the aircraft engine. In this arrangement, propeller air is diffused in the diffuser and collected in the plenum wherein it is turned radially inwardly and accelerated through the scroll into the, engine. Diffusion is uncoupled from air turning for improving the efficiency thereof.

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