Patent · US Active

Exhaust system for a motor vehicle

US11008916B2 · kind B2 · utility

0Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2018
Grant dateMay 18, 2021
Priority date
Expiry dateJun 12, 2038

Classification

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

Abstract

In an exhaust system for a motor vehicle having an exhaust treatment device for after-treating exhaust gas of a combustion engine of the motor vehicle, the exhaust gas treatment device includes a first SCR catalyst, which has a zeolite material containing copper, an ammonia slip catalyst, which is arranged downstream of the first SCR catalyst, and a particulate filter. A second SCR catalyst, which has an SCR catalyst material containing vanadium, is arranged upstream of the first SCR catalyst.

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