Research/Patents/US 4679394
US 4679394

GAS TURBINE ENGINE POWER PLANT

Assignee

ROLLS-ROYCE PLC

Filed

Apr 24, 1979

Granted

Jul 14, 1987

Location

Abstract

A nozzle structure for a gas turbine power plant for a V.T.O.L. or S.T.O.L. type aircraft includes a main engine and at least one auxiliary engine; the efflux from the at least one auxiliary engine may be directed downwardly or alternatively horizontally through a convergent/divergent nozzle which may be closed off when the at least one auxiliary engine is inoperative.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jul 16, 1982

Rescinded

Apr 23, 1986

Duration

3 years, 9 months

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records