Patent · US Expired

Plasma injector, exhaust gas purifying system and method for injecting reducing agent

US7481043B2 · kind B2 · utility

43Cited by
7References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2004
Grant dateJan 27, 2009
Priority date
Expiry dateMay 7, 2025

Classification

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

Abstract

The present invention provides a plasma injector wherein a reducing agent injected from an injection port (19) at the distal end portion of an injection nozzle (18) is at least partially converted into a plasma; an exhaust gas purifying system; and a method for injecting a reducing agent. Using the plasma injector, the exhaust gas purifying system, and the method for injecting a reducing gas of the present invention, it is possible to vaporize a reducing agent supplied in an injection manner and/or to provide a highly reactive reducing agent from the reducing agent.

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