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US 2002/0162703 A1Published application
Q-pack silencer
OwnerPatrick J. Forsytheinventor
Life of this patent
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Abstract
A silencer for internal combustion engines provides a form factor of a rectangular prism, and includes a box-shaped outer shell lined with a thermal and acoustic isolation material, and containing a set of acoustic elements in a serpentine path inside that layer.
Claims4
An apparatus for attenuating the sound emitted from the exhaust of internal combustion engines, comprising:
- a flat sided, rectangular or “box” shaped outer shell, having at least one inlet and one outlet connection flange;
- a thermo-acoustic layer, used to cover the entire inside of the perimeter wall;
- a single acoustic element or a plurality of acoustic elements, reactive, absorptive or a combination of reactive and absorptive, arranged and positioned within said shell;
- a plurality of chambers, or ducts, for the purpose of directing the gas into the primary attenuating element, then in turn exhausting the gas from each element into the intake of the following element, and finally exhausting the gas from the last element out of the silencer.
1 more element
Dependencies are inferred from the claim text.