Patent · US Active

Sensing arrangement

US11719737B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

ABB Schweiz AG · CH

Inventors

Jörg Gebhardt · Mainz, DE
Holger Kaul · Mannheim, DE
Kai Hencken · Bad Kötzting, DE

Key dates

Filing date	May 7, 2021
Grant date	Aug 8, 2023
Priority date	—
Expiry date	Oct 14, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2201/003
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensing arrangement for detection of electrical discharges in an electrical apparatus is described. The sensing arrangement includes an acoustic sensor and a signal enhancing structure with a funnel region. The acoustic sensor is positioned outside the funnel region on an apex side of the funnel region. An electrical switchgear is described. The electrical switchgear includes a sensing arrangement for detection of electrical discharges in an electrical apparatus. The sensing arrangement includes an acoustic sensor and a signal enhancing structure with a funnel region.

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