Patent · US Expired

Device for removing solid particles, particularly soot, from exhaust gas of an internal combustion engine

US4689951A · kind A · utility

26Cited by
2References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 23, 1985
Grant dateSep 1, 1987
Priority date
Expiry dateDec 23, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A device for removing soot particles from exhaust gas of an internal combustion engine includes an electrical filter having a tubular housing and a central electrode in the form of a cylindrical shell coaxially arranged in the filter housing. The cylindrical shell is supported at its ends by insulators and is provided with a plurality of juxtaposed discharge points. The wall thickness of the cylindrical shell is about 0.05 mm and the discharge points are cut out in the wall of the cylindrical shell and being bent in radial direction toward the inner wall of the filter housing. The sides of the segments connecting the discharge points are oriented in the direction of the center axis of the electrode.

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