Curvilinear sound absorber
Assignee3M Innovative Properties Company
InventorDino Perin
Life of this patent
Estimating the term…
Abstract
Baffle assemblies capable of reducing noise transmission while admitting airflow are provided, for use in air passages such as an inlet or exit of a duct, housing, enclosure or partition. The baffle assemblies comprise S-shaped baffle sections comprising two curved baffle units arranged so as to provide an S-shaped passage. In some embodiments the curved baffle units include a curved portion and at least one flange portion. In some embodiments the curved baffle units have a shape capable of manufacture by a continuous extrusion process.
Claims15
A baffle assembly for use in an inlet or exit of a duct, housing, enclosure or partition, comprising an S-shaped baffle section comprising two curved baffle units arranged so as to provide an S-shaped passage, wherein at least one curved baffle unit directly contacts an adjacent curved baffle unit and further wherein the one curved baffle unit and adjacent curved baffle unit have respective concave faces that are collinearly opposed.
Dependencies are inferred from the claim text.