Patent · US Expired

Method for testing the leak-tightness of a fuel tank

US6571778B2 · kind B2 · utility

4Cited by

6References

13Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Thomas Herm · Bärnau, DE
Frank Kutzner · Schongau, DE

Key dates

Filing date	Nov 21, 2001
Grant date	Jun 3, 2003
Priority date	—
Expiry date	Nov 21, 2021

Classification

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

Abstract

A method and an apparatus for testing the leak-tightness of a fuel tank in a vehicle, in which the internal pressure inside the fuel tank is detected, the internal pressure detected is evaluated by weighting this with a value obtained for a change in the speed of the vehicle.

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