Patent · US Expired

Treatment of gaseous emissions

US7067092B2 · kind B2 · utility

7Cited by
20References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2003
Grant dateJun 27, 2006
Priority date
Expiry dateFeb 19, 2024

Classification

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

Abstract

A reactor chamber forms part of an exhaust system of an internal combustion engine. Within the chamber are electrodes between which there is disposed a bed of active material through which, in use, the exhaust gases pass. In the presence of an electrical discharge, driven by an electrical voltage applied across the electrodes, the active material has a catalytic action in the reduction of nitrogenous oxides in the exhaust and also acts to remove hydrocarbons from the exhaust gases.

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