Noise reducing apparatus and exhaust nozzle for jet engine

Details Noise reducing apparatus and exhaust nozzle for jet engine Noise reducing apparatus and exhaust nozzle for jet engine

2005-05-24

2005-05-24

Hsieh, Shih-Yung (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S213000, C181S216000, C181S219000, C181S220000

Reexamination Certificate

active

06896100

ABSTRACT:
In order to reduce noise effectively and to provide a light-weight noise reducing apparatus and an exhaust nozzle for a jet engine, a mixer for mixing an exhaust gas and an external air is disposed behind an engine, a flow channel for accelerating an exhaust gas toward a mixer and a flow channel for introducing an external air to a mixer are formed by a flow channel forming section in a noise reducing mode.

REFERENCES:
patent: 3556246 (1971-01-01), Hilbig
patent: 3667680 (1972-06-01), Weed
patent: 5203164 (1993-04-01), Paulson
patent: 5801341 (1998-09-01), Newell et al.
patent: 5908159 (1999-06-01), Rudolph
patent: 7247905 (1995-09-01), None

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