Combined noise shield and thrust reverser

Details Combined noise shield and thrust reverser Combined noise shield and thrust reverser

1974-07-29

1976-02-03

Blix, Trygve M.

Aeronautics and astronautics

Retarding and restraining devices

Friction brakes

181 33HC, 23926537, 244 12D, 244 55, B64D 3306

Patent

active

039360172

ABSTRACT:
In an aircraft with a multi-engine configuration at the aft end of the fuselage the engines lie on top and on either side with their air intakes so positioned that downward and sideways noise shielding is provided by the fuselage and the wings, the wings having rearwardly extendible flaps to substantially close at take off and landing, gaps in the noise shield that would otherwise exist between the intakes and the unextended wing trailing edges. The engines exhaust into a noise shielding duct the bottom and side walls of which are provided respectively by a fixed-incidence portion of the tail plane and a pair of fins and rudders upstanding from the tailplane. Upward and downward thrust reversal passages are obtained by rocking back an aft end portion of each engine housing and simultaneously tilting a hingedly mounted forward section of said fixed incidence tail plane portion.

REFERENCES:
patent: 3075728 (1963-01-01), Kogan
patent: 3237891 (1966-03-01), Wotton
patent: 3576300 (1971-04-01), Palfreyman
patent: 3614037 (1971-10-01), Vdolek
patent: 3844482 (1974-10-01), Stearns

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