Aircraft engine pitot plenum intake

Details Aircraft engine pitot plenum intake Aircraft engine pitot plenum intake

1995-12-29

1998-03-10

Grant, William

Aeronautics and astronautics

Aircraft power plants

B64D 3302, F02C 705

Patent

active

057251800

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.

REFERENCES:
patent: 2541170 (1951-02-01), Mayers et al.
patent: 4098073 (1978-07-01), Adkins et al.
patent: 4456458 (1984-06-01), Gilbertson
patent: 4617028 (1986-10-01), Ray et al.
patent: 4713934 (1987-12-01), Pellow
patent: 4881367 (1989-11-01), Flatman
patent: 5483791 (1996-01-01), Kotwal et al.

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