发明授权
- 专利标题: Honeycomb filter
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申请号: US17166414申请日: 2021-02-03
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公开(公告)号: US11872527B2公开(公告)日: 2024-01-16
- 发明人: Koji Fukuyo , Michio Suzuki , Yasutaka Watanabe , Ken Itadu
- 申请人: NGK Insulators, Ltd.
- 申请人地址: JP Nagoya
- 专利权人: NGK INSULATORS, LTD.
- 当前专利权人: NGK INSULATORS, LTD.
- 当前专利权人地址: JP Nagoya
- 代理机构: BURR PATENT LAW, PLLC
- 优先权: JP 20062588 2020.03.31
- 主分类号: B01D53/88
- IPC分类号: B01D53/88 ; B01J35/04 ; C04B38/00
摘要:
A honeycomb filter including: a pillar-shaped honeycomb structure having an inflow end face and an outflow end face and including a porous partition wall disposed so as to surround a plurality of cells, the plurality of cells extending from the inflow end face to the outflow end face; inflow side plugging portions disposed at open ends of predetermined cells on the inflow end face side; and outflow side plugging portions disposed at open ends of residual cells on the outflow end face side, wherein the outflow side plugging portions comprise first outflow side plugging portions and second outflow side plugging portions, the plugging length L1 of the first outflow side plugging portions is 10 to 50% of the overall length L0 of the honeycomb structure, and the plugging length L2 of the second outflow side plugging portions is less than 10% of the overall length L0 of the honeycomb structure.
公开/授权文献
- US20210299610A1 HONEYCOMB FILTER 公开/授权日:2021-09-30
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