Patent · US Expired

Honeycomb filter and ceramic filter assembly

US7427309B2 · kind B2 · utility

55Cited by
38References
47Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 2005
Grant dateSep 23, 2008
Priority date
Expiry dateSep 21, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24149
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sintered porous ceramic body. The seal layer (15) has a thickness of 0.3 mm to 3 mm and a thermal conductance of 0.1 W/mK to 10 W/mk.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.