Aircraft propulsive power unit thrust reverser with separation d

Details Aircraft propulsive power unit thrust reverser with separation d Aircraft propulsive power unit thrust reverser with separation d

1997-06-23

2000-11-28

Kim, Ted

Power plants

Reaction motor

Interrelated reaction motors

60230, 23926529, 244110B, F02K 302

Patent

active

061518832

ABSTRACT:
In an aircraft propulsive power unit a thrust reversing arrangement includes a flow redirecting structure having a flow redirecting downstream wall against which gaseous fluid flow in a first flow direction impinges to turn the flow into a second flow direction to produce reverse thrust and an upstream wall round which the fluid flow turns and which has a boundary surface so formed as to support adherence of a boundary layer of the redirected fluid flow at the boundary surface. The upstream wall is provided with projecting elements to generate vortices which prevent or delay separation of the boundary layer from the boundary surface of the upstream wall. Alternatively, the upstream wall is formed with a plurality of flow apertures which are connected by a duct to a pressure differential region or source to cause gaseous fluid to flow through the boundary surface of the upstream wall to prevent or delay separation of the boundary layer.

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patent: 5819528 (1998-10-01), Masson

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