发明名称 |
Wabenkörperstruktur mit verschiedenen Porositäten und Porendurchmessern |
摘要 |
A honeycomb structure comprising porous partition walls disposed so as to form a plurality of cells extending in an axial direction. In the honeycomb structure, defining that a porosity and pore diameter of the partition walls in a central portion is (Pi) and (Di), a porosity and pore diameter of the partition walls in an outer peripheral portion is (Po) and (Do), (Pi) and (Po) have a relation of (Pi < Po); or (Pi) and (Po) have a relation of (Pi > Po) and (Di) and (Do) have a relation of (Di < Do). |
申请公布号 |
DE602004007054(T2) |
申请公布日期 |
2008.03.13 |
申请号 |
DE20046007054T |
申请日期 |
2004.02.24 |
申请人 |
NGK INSULATORS LTD. |
发明人 |
ICHIKAWA, YUKIHITO;KUKI, TATSUYUKI |
分类号 |
B01J35/04;F01N3/02;B01D39/20;B01D53/86;B01J32/00;B01J35/10;C04B38/00;F01N3/022;F01N3/28 |
主分类号 |
B01J35/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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