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US 2004/0105791 A1Published application
Soot trapping filter and soot reducing device thereof
OwnerIn-Gweon Lim, Jun Young Hwanginventors
Life of this patent
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Abstract
Soot trapping filter (100), and a soot reducing device thereof, the soot trapping filter (100) including trapping means (132) having a plurality of filter granules stacked to form a volume, for trapping soot contained in exhaust gas from a combustion apparatus at a whole volume of the trapping means, wherein the filter granules include a ratio of non-spherical filter granules higher than a predetermined ratio.
Claims15
A soot trapping filter comprising:
- trapping means having a plurality of filter granules stacked to form a volume, for trapping soot contained in exhaust gas from a combustion apparatus at a whole volume of the trapping means, wherein the filter granules include a ratio of non-spherical filter granules higher than a predetermined ratio.
A soot reducing device comprising:
- a filter fitted on a predetermined position of an exhaust gas passage having trapping means with a plurality of filter granules stacked to form a volume;
- and
- heating means fitted in or at an interface of the filter, for elevating a temperature of the exhaust gas introduced thereto.
Dependencies are inferred from the claim text.