Patent · US Active

Metering module for a liquid reducing agent

US8863502B2 · kind B2 · utility

0Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 2010
Grant dateOct 21, 2014
Priority date
Expiry dateDec 25, 2030

Classification

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

Abstract

The present invention relates to a metering module (15) for a liquid reducing agent, in particular a urea-water solution, for mixing the reducing agent with a gas, in particular air, for further introduction into an exhaust pipe (5) of an internal combustion engine (1). The metering module (15) comprises a metering valve (31) having a conduit (33), a compressed air duct (49) and a mixing chamber (35). An outlet opening of the conduit (33) for the reducing agent is arranged in the mixing chamber (35) at a distance from the mid-axis of the metering module (36).

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