Acoustic dampers

Details Acoustic dampers Acoustic dampers

2008-01-29

2008-01-29

Casaregola, L. J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

C181S213000, C415S119000, C431S114000

Reexamination Certificate

active

11109930

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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