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    • 4. 发明公开
    • 허니컴 구조체 및 배기 가스 처리 장치
    • 蜂窝结构和排气处理装置
    • KR1020080074702A
    • 2008-08-13
    • KR1020070114874
    • 2007-11-12
    • 이비덴 가부시키가이샤
    • 오시미유키오
    • B01D39/00
    • B01D46/2462B01D46/2451B01D46/2455B01D46/2459B01D46/2466B01D46/247B01D46/2474B01D2046/2488B01D2046/2496F01N3/0222F01N3/2828Y02T10/20Y10T428/236Y10T428/24149
    • A honeycomb structure is provided not to be damaged easily by cracking in the outer peripheral part and the outlet side of the honeycomb structure due to thermal stress although the honeycomb structure is used under high temperature conditions, and an exhaust gas treatment device having the honeycomb structure is provided. A honeycomb structure(100) comprises at least: a first end face(160) and a second end face(170) proximately parallel to each other; a peripheral surface(180) for connecting the first end face and the second end face; a ceramic block(150) including a plurality of through cells(11) which have partition walls interposed therebetween, and which extend from the first end face to the second end face; and a coating layer(120) which forms the peripheral surface of the honeycomb structure, wherein a thickness of the coating layer at the second end face is thicker than that of the coating layer at the first end face. The coating layer includes a portion of which the thickness monotonously increases from the first end face toward the second end face, or includes both a portion of which the thickness monotonously increases and a portion of which the thickness is constant. The thickness of the coating layer linearly increases from the first end face toward the second end face.
    • 蜂窝结构体在高温条件下使用蜂窝结构体时,由于热应力而不能容易地破坏蜂窝结构体的外周部和出口侧,并且具有蜂窝结构体的废气处理装置 被提供。 蜂窝结构(100)至少包括:彼此近似平行的第一端面(160)和第二端面(170); 用于连接第一端面和第二端面的周边表面(180); 陶瓷块(150),其包括多个贯通孔(11),所述多个通孔具有插入其间的间隔壁,并且从所述第一端面延伸到所述第二端面; 以及形成蜂窝结构体的周面的涂层(120),其中第二端面处的涂层的厚度比第一端面处的涂层的厚度厚。 涂层包括其厚度从第一端面朝向第二端面单调增加的部分,或者包括厚度单调增加的一部分和厚度恒定的部分。 涂层的厚度从第一端面朝向第二端面线性地增加。