Patent · US Expired

Emission abatement device and method of using same

US7341699B2 · kind B2 · utility

9Cited by
13References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 2003
Grant dateMar 11, 2008
Priority date
Expiry dateJun 6, 2025

Classification

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

Abstract

An emission abatement device comprises a hydrocarbon trap, a 3-way catalyst downstream from the hydrocarbon trap, and a valve movable to control flow of exhaust gas to the hydrocarbon trap and the 3-way catalyst.

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