Patent · US Active

Exhaust gas post-treatment device

US11555432B2 · kind B2 · utility

0Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2021
Grant dateJan 17, 2023
Priority date
Expiry dateNov 30, 2041

Classification

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

Abstract

A device for the post-treatment of the exhaust gas of an internal combustion engine comprises a conduit defining a passage for the flow of the exhaust gas and, from upstream to downstream of the conduit, an injector arranged to inject a reducing agent into the flow passage, and a purifying member. The injector is heated to heat the reducing agent prior to injection. The device further comprises a heating element arranged between the injector and the purifying member.

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