Power plants – Internal combustion engine with treatment or handling of... – Methods
Patent
1987-10-15
1990-02-13
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Methods
60286, 60303, 55282, 55283, 55466, 55DIG30, F01N 302
Patent
active
048995401
ABSTRACT:
Muffler-filter apparatus for reducing both sound and particulates from exhaust gases from an engine. The apparatus includes resonating chambers, flow distribution means 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. The particular method of regeneration depends on the application in which the muffler-filter is used.
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Flemming Douglas E.
Wagner Wayne M.
Donaldson & Company, Inc.
Hart Douglas
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