Thrust spoiler for turbofan engine

Details Thrust spoiler for turbofan engine Thrust spoiler for turbofan engine

1977-01-31

1978-09-12

Garrett, Robert E.

Power plants

Reaction motor

Interrelated reaction motors

23926537, F02K 306

Patent

active

041126777

ABSTRACT:
A multiplicity of retractable spoilers are placed at spaced angular intervals within the annular duct which carries the bypass airstream in a turbofan engine. Deployment of the spoilers into the bypass annular duct causes a partial blockage of the airstream. This results in a decrease in thrust from the engine without any change in throttle setting.

REFERENCES:
patent: 1190365 (1970-05-01), Davies
patent: 2873576 (1959-02-01), Lombard
patent: 3316717 (1967-05-01), Castle et al.
patent: 3483702 (1969-12-01), Ward
patent: 3500644 (1970-03-01), Hom et al.
patent: 3500646 (1970-03-01), Hom et al.
patent: 3937013 (1976-02-01), Aspinwall

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