Rotating acoustically lined inlet splitter for a turbo-fan engin

Details Rotating acoustically lined inlet splitter for a turbo-fan engin Rotating acoustically lined inlet splitter for a turbo-fan engin

1995-01-27

1997-07-22

Koczo, Michael

Power plants

Reaction motor

Interrelated reaction motors

181214, 415119, F02K 302, F04D 2966

Patent

active

056494190

ABSTRACT:
A noise controlling device (12) is used for controlling noise in a turbo-fan engine (10). The engine includes an entrance (22) for ingesting air, and a fan rotor (18) connected to a spinner (20) in the interior of the engine. The fan rotor faces the forward side of the engine. A ring (24) is connected to the interior of the engine, with the ring being located between the engine entrance and the forward side of the fan rotor. The inner periphery of the ring faces the spinner, with the ring surrounding the spinner in substantial coaxial alignment therewith. An acoustic lining (26) is disposed around the inner and outer peripheries of the ring.

REFERENCES:
patent: 3477231 (1969-11-01), Paulson
patent: 3494539 (1970-02-01), Littleford
patent: 3729957 (1973-05-01), Petrie et al.
patent: 3735593 (1973-05-01), Howell
patent: 3948346 (1976-04-01), Schindler
patent: 4012165 (1977-03-01), Kraig
patent: 4240250 (1980-12-01), Harris
patent: 4969326 (1990-11-01), Blessing et al.

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