Patent · US Active

Exhaust aftertreatment system with heated flash-boiling doser

US11022014B1 · kind B1 · utility

1Cited by
26References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2020
Grant dateJun 1, 2021
Priority date
Expiry dateApr 28, 2040

Classification

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

Abstract

An exhaust aftertreatment system for use with an over-the-road vehicle is disclosed. The exhaust aftertreatment system includes a flash-boil doser mounted to an exhaust conduit and a catalyst coupled to the exhaust conduit. The flash-boil doser configured to inject heated and pressurized reducing agent into an exhaust passageway defined by the exhaust conduit for distribution throughout exhaust gases passed through the exhaust conduit. The catalyst configured to react the reducing agent with the nitrous oxide in the flow of exhaust gases to provide treated exhaust gases with a reduced nitrous oxide amount.

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