Protective screen for jet-engine intake

Details Protective screen for jet-engine intake Protective screen for jet-engine intake

1977-07-01

1979-04-17

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft power plants

55306, 60 3909D, 60 3909P, 244134C, 416247R, B64D 3302

Patent

active

041496892

ABSTRACT:
The forwardly open intake end of a jet engine, powering an aircraft, is screened against birds and other airborne objects by a conical cage formed from an array of metal rods converging on the engine axis, the rods being held together at the vertex of the cone by a solid tip and in an intermediate plane as well as at the cone base by a pair of metal rings. In flight, they are free to vibrate so as to shake off adhering ice particles. De-icing can be further promoted by feeding back exhaust gases from the rear of the engine to the interior of the cage through an external pipe.

REFERENCES:
patent: 1757896 (1930-05-01), Baron
patent: 2474068 (1949-06-01), Sammons et al.
patent: 2634049 (1953-04-01), Hodges et al.
patent: 3121545 (1964-02-01), Meletiou
patent: 3196598 (1965-07-01), Olson
patent: 3288200 (1966-11-01), Gagne
patent: 3871844 (1975-03-01), Calvin
Flight, vol. 62, Dec. 5, 1952, p. 694 (Photo of guard on Saab's J-29 Ghost).

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