Patent · US Active

System and method for regenerating a particulate filter

US8572951B2 · kind B2 · utility

4Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 20, 2011
Grant dateNov 5, 2013
Priority date
Expiry dateJan 31, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Various methods and systems are provided for a vehicle with an engine. In one example, a method includes identifying an approaching tunnel. The method further includes, responsive to a particulate load of a particulate filter, the particulate filter disposed in an exhaust treatment system of an engine of the vehicle, initiating regeneration of the particulate filter at a selected distance before the tunnel such that regeneration is performed before the vehicle enters the tunnel.

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