Honeycomb structure

ハニカム構造体

Abstract

【課題】 パティキュレートの捕集効率に優れ、ハニカム構造体の圧力損失を低く保つためにセル壁の厚さを薄くしても、充分な捕集効率を確保することができるハニカム構造体を提供する。 【解決手段】 複数のセルがセル壁を隔てて長手方向に並設され、上記セルのいずれか一方の端部が封止されたハニカム構造体であって、 上記セル壁の厚さをA(mm)とし、上記セル壁の単位体積あたりの表面積をB(m 2 /cm 3 )としたときに、下記式(1)の関係を満足することを特徴とするハニカム構造体。 11/6−10/3×A≦B・・・(1) 【選択図】 図1
<P>PROBLEM TO BE SOLVED: To provide a honeycomb structure which is excellent in collection efficiency of a particulate and which is capable of assuring a sufficient collection efficiency even if the thickness of the cell wall is thinned in order to keep the pressure loss of the honeycomb structure low. <P>SOLUTION: In the honeycomb structure a plurality of cells are longitudinally installed in parallel while being separated by the sell walls and either one of the end of the cells are sealed. The honeycomb structure is characterized by satisfying the relationship of formula: 11/6-10/3×A≤B, when the thickness of the cell wall is A (mm) and the surface area per a unit volume of the cell wall is B (m<SP>2</SP>/cm<SP>3</SP>). <P>COPYRIGHT: (C)2006,JPO&NCIPI

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