Acoustic dampers

Power plants – Combustion products used as motive fluid – Combustion products generator

Reexamination Certificate

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Details

C181S213000, C415S119000, C431S114000

Reexamination Certificate

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07322195

ABSTRACT:
An acoustic resonator for use in an engine is provided. The acoustic resonator includes a cavity having a volume, an aperture, and a passage connecting the aperture and the cavity. The aperture has a profiled surface for delaying separation of fluid entering the passage and for reducing losses caused by fluid separation.

REFERENCES:
patent: 3483698 (1969-12-01), Lewis et al.
patent: 5702231 (1997-12-01), Dougherty
patent: 05-215027 (1993-08-01), None

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