Patent · US Active

Method and a control device for operating a tank venting system of an internal combustion engine

US10508619B2 · kind B2 · utility

1Cited by

3References

9Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Erwin Achleitner · Obertraubling, DE
Gerhard Haft · Munich, DE
Roland Haufler · Regensburg, DE
Manfred Weigl · Viehhausen, DE

Key dates

Filing date	Jun 26, 2018
Grant date	Dec 17, 2019
Priority date	—
Expiry date	Jul 18, 2038

Classification

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

Abstract

Various embodiments may include a method and a control device for operating a tank venting system of an internal combustion engine. For example, a method for operating an engine may include: activating a scavenge air pump disposed in a regeneration line with a fuel vapor retention filter; upon reaching a constant speed of an impeller of the scavenge air pump conveying the scavenge air, detecting a pressure upstream of the scavenge air pump and a pressure downstream of the scavenge air pump; calculating a differential pressure across the scavenge air pump; determining the degree of loading of the fuel vapor retention filter based at least in part on the differential pressure; and adjusting a fuel injection time based on the degree of loading.

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