Ducted fan gas turbine engine

Details Ducted fan gas turbine engine Ducted fan gas turbine engine

1978-10-24

1980-10-21

Hart, Douglas

Power plants

Reaction motor

Interrelated reaction motors

F02K 302

Patent

active

042286514

ABSTRACT:
The downstream portions of a ducted fan, gas turbine engine are translatable to open respective gaps and allow the lateral egress of exhaust gas and fan air. The fan air outlet is upstream of the exhaust gas outlet and the translatable fan cowl portion and gas turbine engine casing cooperate to reduce the fan annulus on translation. Exhaust gas passing laterally through its outlet enters any annular space remaining between casing and cowl and prevents the passage of fan air in a downstream direction.

REFERENCES:
patent: 3492821 (1970-02-01), Monaghan
patent: 4073440 (1978-02-01), Hapke

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