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US 2021/0172355 A1Published application
Overlapping vane muffler
AssigneeU.S. Army Combat Capabilities Development Command, Army Research Labortary
InventorMichael V. Scanlon, SR.
Life of this patent
Estimating the term…
Abstract
Apparatus for attenuating a sound level comprising an enclosure having an inlet and an outlet, where an exhaust flow director is positioned within the enclosure and fluidly coupled to the inlet and the outlet. The exhaust flow director comprises a plurality of overlapping vanes that directs the exhaust flow to attenuate the level of the sound produced by the exhaust.
Claims25
Apparatus for attenuating a sound level comprising:
- an enclosure comprising an inlet and an outlet;
- and
- an exhaust flow director, positioned within the enclosure and fluidly coupled to the inlet and the outlet, comprising a plurality of overlapping vanes.
Apparatus for attenuating a sound level comprising:
- a circular enclosure comprising an inlet and an outlet;
- and
- an exhaust flow director positioned within the enclosure and fluidly coupled to the inlet and the outlet and comprising a plurality of overlapping vanes formed in a circular pattern within the enclosure to form a first circular region and a second circular region, where the exhaust flow in the first circular region is counter-clockwise and the exhaust flow in the second circular region is clock-wise, or vice versa.
Apparatus for attenuating a sound level comprising:
- a rectangular enclosure comprising an inlet and an outlet;
- and
- an exhaust flow director positioned within the enclosure and fluidly coupled to the inlet and the outlet and comprising a plurality of overlapping vanes formed in a linear pattern within the enclosure to form a first region and a second region, where the exhaust flow in the first region is in a first direction and the exhaust flow in the second region is in a second direction, where the first and second directions are substantially opposite directions.
Dependencies are inferred from the claim text.