Patent · US Active

System and method for mitigating high sulfur fuel impact for DOC/DPF system

US12092011B2 · kind B2 · utility

0Cited by
1References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 20, 2019
Grant dateSep 17, 2024
Priority date
Expiry dateSep 20, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A system and method include determining, by a controller associated with an aftertreatment system, satisfaction of an enabling condition and in response to the satisfaction of the enabling condition pausing, by the controller, hydrocarbon dosing in a regeneration cycle of the aftertreatment system. The system and method also include upon pausing of the hydrocarbon dosing, monitoring, by the controller, an oxidation catalyst of the aftertreatment system for a light-off shift condition.

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