Invention Grant
US07691167B2 Ceramic honeycomb filter, its production method, and plugging material for ceramic honeycomb filter 有权
陶瓷蜂窝过滤器,其生产方法和陶瓷蜂窝过滤器堵塞材料

  • Patent Title: Ceramic honeycomb filter, its production method, and plugging material for ceramic honeycomb filter
  • Patent Title (中): 陶瓷蜂窝过滤器,其生产方法和陶瓷蜂窝过滤器堵塞材料
  • Application No.: US10573200
    Application Date: 2004-09-29
  • Publication No.: US07691167B2
    Publication Date: 2010-04-06
  • Inventor: Shinya Tokumaru
  • Applicant: Shinya Tokumaru
  • Applicant Address: JP Tokyo
  • Assignee: Hitachi Metals, Ltd.
  • Current Assignee: Hitachi Metals, Ltd.
  • Current Assignee Address: JP Tokyo
  • Agency: Sughrue Mion, PLLC
  • Priority: JP2003-338126 20030929
  • International Application: PCT/JP2004/014273 WO 20040929
  • International Announcement: WO2005/030364 WO 20050407
  • Main IPC: B01D46/00
  • IPC: B01D46/00 F01N3/022
Ceramic honeycomb filter, its production method, and plugging material for ceramic honeycomb filter
Abstract:
A ceramic honeycomb filter comprising a sintered ceramic honeycomb body having porous partition walls defining flow paths, and plugs formed in predetermined flow paths for removing particulate matter from an exhaust gas passing through the porous partition walls, the sintered ceramic honeycomb body being formed by a cordierite-based ceramic material, at least part of the plugs comprising ceramic particles and an amorphous oxide matrix formed from colloidal oxide.
Information query
Patent Agency Ranking
0/0