Patent · US Active

Method for operating a fuel evaporation retention system

US8825245B2 · kind B2 · utility

0Cited by

7References

13Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventors

Thomas Rauner · Blaubeuren, DE
Josef Oesterle · Rammingen, DE
Andreas Menke · Weingarten, DE

Key dates

Filing date	Jul 7, 2010
Grant date	Sep 2, 2014
Priority date	—
Expiry date	Aug 18, 2031

Classification

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

Abstract

A method is provided to prevent an undesirable flooding or breaching of an activated charcoal filter during the operation of a hybrid vehicle or of a motor vehicle with automatic start/stop. The method includes monitoring during the operation of the vehicle at least one factor that has an effect on the fuel evaporation and using the monitored factor to prevent an undesirable flooding or breaching of the activated charcoal filter.

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