04091892 is referenced by 53 patents and cites 10 patents.

A phased treatment noise suppression panel is provided for use in an exhaust duct. The panel consists of individual sections designed with specific modal attenuation characteristics and located axially within the duct in such a sequential order, with respect to the noise source, as to take maximum advantage of modal redistribution effects on overall noise suppression.

Title
Phased treatment noise suppressor for acoustic duct applications
Application Number
502141
Publication Number
4091892
Application Date
February 17, 1976
Publication Date
May 30, 1978
Inventor
Robert E Kraft
Cincinnati
OH, US
Horst W W Hehmann
Cincinnati
OH, US
Agent
Derek P Lawrence
Robert C Lampe Jr
Assignee
General Electric Company
OH, US
IPC
E04B 1/99
F01N 1/00
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