Title:
POLLUTANT ABATEMENT DEVICE OF AN INTERNAL COMBUSTION ENGINE AND POLLUTANT ABATEMENT SYSTEM COMPRISING THE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/219458
Kind Code:
A8
Abstract:
Device (ATS1) for the abatement of pollutants of an internal combustion engine comprising an external casing (CN) in which a DOC and a bypass duct (BP) of the DOC is housed to define a bifurcation for the exhaust gases passing through the device, so that a first flow (F1) is intended to cross the DOC and a second flow (F2) is intended to bypass the DOC, an injector (J) of urea-based reducing agent arranged at or at a point immediately downstream of the bifurcation and an electric heater (H) arranged annularly with respect to the bypass duct and configured to heat the bypass duct and to be passed by the first exhaust gas flow (F1).
Inventors:
PIDRIA MARCO FEDERICO (IT)
MERLONE BORLA EDOARDO (IT)
MERLONE BORLA EDOARDO (IT)
Application Number:
PCT/IB2022/053164
Publication Date:
September 28, 2023
Filing Date:
April 05, 2022
Export Citation:
Assignee:
FPT IND SPA (IT)
International Classes:
F01N3/20; F01N3/027; F01N13/00
Attorney, Agent or Firm:
FIUME, Orazio et al. (IT)
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