Patent · US Active

Exhaust gas aftertreatment device

US11986811B2 · kind B2 · utility

0Cited by
13References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2021
Grant dateMay 21, 2024
Priority date
Expiry dateDec 16, 2041

Classification

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

Abstract

A device for the aftertreatment of exhaust gases from an exhaust-gas source, having a spatially delimited flow path through which flow may pass proceeding from the exhaust-gas source, having a heating catalytic converter which is arranged in the flow path and which, as viewed in a flow direction, firstly has a catalytically active catalytic converter through which flow may pass and, following this in the flow direction, has an electrically heatable heating disk, wherein at least one outlet of a secondary air supply is arranged in the region of the heating catalytic converter such that a gas flow referred to as secondary air is fed into the flow path in the region of the heating catalytic converter.

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