EXHAUST MUFFLER FOR INTERNAL COMBUSTION ENGINES
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Jan 8, 2024
filing date -
Jan 6, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
Various implementations include a muffler including a shell and a tube assembly. The shell defines a shell cavity and has a shell longitudinal axis, a shell first end, and a shell second end. The shell first end and the shell second end each define a shell opening extending to the shell cavity. The tube assembly is disposed within the shell cavity. The tube assembly includes three or more nested tubes. Each of the three or more nested tubes has a tube longitudinal axis parallel to the shell longitudinal axis, a tube first end, and a tube second end. Each of the three or more nested tubes defines a plurality of perforations. The three or more nested tubes are disposed circumferentially adjacent each other around the shell longitudinal axis such that portions of sides of the three or more nested tubes form an open portion extending along the shell longitudinal axis.
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