Exhaust gas reduction device including electrically heated catalyst-coated particulate filter
AssigneeKorea Institute of Machinery & Materials
InventorsHongsuk KIM, Sang-Hee WOO
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Abstract
A filter unit structure according to an embodiment is a filter unit structure used in an exhaust gas reduction device and may include: a ceramic filter structure formed to filter a particulate material; a first electrical heating plate disposed on one side of the ceramic filter structure to generate heat; and a second electrical heating plate disposed on the other side of the ceramic filter structure to generate heat.
Claims17
A filter unit structure used in an exhaust gas reduction device, comprising
- a ceramic filter structure formed to filter a particulate material;
- a first electrical heating plate disposed on one side of the ceramic filter structure to generate heat;
- and
- a second electrical heating plate disposed on the other side of the ceramic filter structure to generate heat.
A filter unit structure used in an exhaust gas reduction device, comprising:
- a catalyst-coated ceramic filter plate;
- a first electrical heating plate disposed on one side of the ceramic filter plate to generate heat;
- and
- a second electrical heating plate disposed on the other side of the ceramic filter structure to generate heat,
- wherein the ceramic filter plate is connected to the first electrical heating plate by ceramic bonding, and the ceramic filter plate is connected to the second electrical heating plate by ceramic bonding.
A particulate filter comprising:
- a first filter unit structure;
- and
- a second filter unit structure,
- wherein first filter unit structure and the second filter unit structure are stacked and connected.
17-20. (canceled)
Dependencies are inferred from the claim text.