Patent · US Active

Device for sensing a fault current in a field bus system

US8294474B2 · kind B2 · utility

8Cited by

5References

16Claims

0Family size

Assignee

WABCO GmbH · DE

Inventors

Olaf Ahrens · Giesen, DE
Jurgen Bode · Kassel, DE
Jens Frühauf · Gronau, DE
Andreas Goers · Pattensen, DE

Key dates

Filing date	Aug 4, 2007
Grant date	Oct 23, 2012
Priority date	—
Expiry date	Jun 17, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04L25/08
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An electrical switching circuit for operating a bus of a field bus system senses a fault current based on a first current of a first bus line and a second current of a second bus line.

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