Fairing for turbo-jet engine fan leading edge

Details Fairing for turbo-jet engine fan leading edge Fairing for turbo-jet engine fan leading edge

1986-05-08

1987-12-15

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Having wear liner, sheathing or insert

415DIG1, 416228, F01D 516

Patent

active

047129808

ABSTRACT:
A fairing formed from a dihedron of which the faces, disposed in the extension of the intrados and extrados surfaces follow the aerodynamic profile of the blade. Such rejoin the blade at a small radius portion constituting a leading edge. The fairing imparts a characteristic enabling the optimum efficiency of the fan to be approached. The useful height of the dihedron is at least 5% of the height of the blade.

REFERENCES:
patent: 1862827 (1932-06-01), Parsons et al.
patent: 3365126 (1986-01-01), Stoffer et al.
patent: 3694104 (1972-09-01), Erwin
patent: 3844677 (1974-10-01), Evans et al.
patent: 3999888 (1976-12-01), Zincone
patent: 4051289 (1977-09-01), Adamson
patent: 4097193 (1978-06-01), Brunsch et al.
patent: 4111600 (1978-09-01), Rothman et al.
patent: 4318672 (1982-03-01), Hansen

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