Patent · US Active

Method for controlling spark for particulate filter regenerating

US8402943B2 · kind B2 · utility

2Cited by

7References

19Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Helmut Hans Ruhland · Eschweiler, DE
Moritz Klaus Springer · Hagen, DE
Thomas Lorenz · Chesterfield, US
Georg Louven · Neuwied, DE

Key dates

Filing date	Mar 19, 2012
Grant date	Mar 26, 2013
Priority date	—
Expiry date	Mar 19, 2032

Classification

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

Abstract

A system for filtering and oxidizing particulate matter produced by a gasoline direct injection engine is disclosed. In one embodiment, engine spark is controlled such that soot held by a particulate filter may be oxidized even during low engine loads.

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