Patent · US Active

Method for the load dependent reduction of fuel consumption following deceleration fuel cut out

US9512765B2 · kind B2 · utility

3Cited by

0References

9Claims

0Family size

Assignee

GM Global Technologies Operations LLC · US

Inventors

Stefan Horst · Neu-Isenburg, DE
Arnaud Schilly · Gerolzhofen, DE

Key dates

Filing date	Jun 9, 2014
Grant date	Dec 6, 2016
Priority date	—
Expiry date	Jun 9, 2034

Classification

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

Abstract

A method for controlling a motor vehicle with an internal combustion engine and a catalytic converter is disclosed. The method includes: determining an oxygen storage value, which is a dimension for oxygen stored in the catalytic converter, detecting an engine load, carrying out a part evacuation of the oxygen from the catalytic converter with a fuel enrichment when the oxygen storage value exceeds a trigger evacuation threshold value and when the engine load is below a low-load threshold value.

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