Ducted fan gas turbine engine with surge controller

Details Ducted fan gas turbine engine with surge controller Ducted fan gas turbine engine with surge controller

1988-12-01

1990-06-05

Stout, Donald E.

Power plants

Reaction motor

Interrelated reaction motors

602262, 23926531, F02K 164

Patent

active

049303074

ABSTRACT:
A ducted fan gas turbine engine includes for surge control capability in the form of a downstream fan cowl portion which can be moved to open a gap of variable magnitude. Fixed cowl portion has a resilient downstream edge which effects a good seal against blocker flaps when not in use. The blocker flaps are moved across the fan duct on the cowl portion moving a sufficient distance in a downstream direction.

REFERENCES:
patent: 3500645 (1970-03-01), Hom
patent: 3779010 (1973-12-01), Chamay et al.
patent: 3820719 (1974-06-01), Clark

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