Muffler apparatus with filter trap and method of use
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United States of America Patent
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Jul 25, 1989
Grant Date -
N/A
app pub date -
Aug 21, 1987
filing date -
Aug 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Muffler apparatus for reducing both sound and particulates from exhaust gases from an engine. The apparatus includes resonating chambers, flow distribution structure and a cellular ceramic core filter module. Filter regeneration mechanism includes a heating element for heating the carbon on the inlet end of the ceramic core to combustion temperature. Particulate ignition resulting in regeneration occurs when combustion air is provided; in alternate embodiments, combustion air first flows through a preheater system. A processor unit with particular logic controls the apparatus.
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