Patent · US Active

Fuel control for spark ignited engine having a particulate filter system

US9394844B2 · kind B2 · utility

2Cited by

31References

20Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Carolyn Parks Hubbard · Canton, US
Robert Walter McCabe · Novi, US
Eva Thanasiu · Trenton, US
Jeffrey Scott Hepburn · Dearborn, US
Helmut Hans Ruhland · Eschweiler, DE
Moritz Klaus Springer · Hagen, DE
Thomas Lorenz · Chesterfield, US
Georg Louven · Neuwied, DE
David Karl Bidner · Livonia, US

Key dates

Filing date	Nov 4, 2014
Grant date	Jul 19, 2016
Priority date	—
Expiry date	Nov 4, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
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 cylinder air-fuel is adjusted to allow soot to oxidize at an upstream particulate filter while exhaust gases are efficiently processed in a downstream catalyst.

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