Gas turbine engine powerplant with flow control devices

Details Gas turbine engine powerplant with flow control devices Gas turbine engine powerplant with flow control devices

1987-02-03

1988-01-05

Casaregola, Louis J.

Power plants

Reaction motor

Interrelated reaction motors

60229, 23926529, 23926531, F02K 302

Patent

active

047167246

ABSTRACT:
In a gas turbine engine powerplant which has a requirement for both nozzle outlet area variation and thrust reversal, there is provided a common actuating means in the form of rams which firstly move a cowl portion so as to open a radial gap and thereby effectively increase the nozzle outlet area, and secondly move reverser cascades in a downstream direction into the gap created by moving the cowl portion. A lost motion device is fitted so as to enable achieving of the former movement without affecting the latter movement until such time as the latter movement is also required.

REFERENCES:
patent: 3820719 (1974-06-01), Clark
patent: 3831376 (1974-08-01), Moorehead
patent: 3988889 (1976-11-01), Chamay et al.

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