Dual turning vane air inlet assembly

Details Dual turning vane air inlet assembly Dual turning vane air inlet assembly

1983-10-19

1989-07-04

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft power plants

60 39092, 55306, B64D 3302

Patent

active

048443824

ABSTRACT:
An air inlet assembly for a gas turbine aircraft engine includes a fixed turning vane and a movable turning vane that is carried on the trailing edge of the air deflector door. To optimally direct and accelerate a flow of air into the engine intake, the low-pressure and high-pressure surfaces of the airfoil-shaped fixed turning vane lie in parallel planes at the trailing edge of the vane. The turning vane on the air deflector door has a low-pressure, convex surface that rests against the fixed turning vane when the door is deployed in the anti-icing mode. Under normal conditions, the door is stored and the two vanes cooperate to form an aerodynamic converging channel, which accelerates the flow and attaches it to the low-pressure surface of the vane on the door.

REFERENCES:
patent: 3329377 (1967-07-01), Peterson et al.
patent: 3952972 (1976-04-01), Tedstone et al.
patent: 4250703 (1981-02-01), Norris et al.
patent: 4346860 (1982-08-01), Tedstone

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