Patent · US Active

System and process for storing an additive and injecting it into the exhaust gases of an engine

US9051864B2 · kind B2 · utility

1Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 2010
Grant dateJun 9, 2015
Priority date
Expiry dateApr 16, 2030

Classification

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

Abstract

A system and a process for storing an additive solution and injecting it into the exhaust gases of an internal combustion engine. The system comprises at least one tank for storing the additive, one pump equipped with an inlet and an outlet and that is capable of generating a direct flow (in injection mode) or a reverse flow (in drawing off mode), at least two additive solution suction points, and an injector, wherein a first suction point is connected to the pump inlet and is only active when the pump operates in injection mode, and wherein the second suction point is connected to the pump outlet and is only active when the pump operates in drawing off mode.

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