Patent · US Active

Overload protection device

US7545619B2 · kind B2 · utility

1Cited by

13References

12Claims

0Family size

Assignee

PHOENIX CONTACT GMBH & CO. KG · DE

Inventors

Rainer Durth · Niederheesten, DE
Martin Wetter · Detmold, DE
Joachim Wosgien · Löhne, DE

Key dates

Filing date	Dec 7, 2007
Grant date	Jun 9, 2009
Priority date	—
Expiry date	Dec 7, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH01T4/12
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A surge protection device includes a first electrode and a second electrode. An air breakdown spark gap is between the second and first electrodes, an arc being formed upon an ignition of the air breakdown spark gap. A series arrangement of a potential dividing element and an ignition element is connected to the first and second electrodes.

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