Patent · US Expired

Electrodynamic transducer

US4665752A · kind A · utility

10Cited by

1References

8Claims

0Family size

Assignee

Nukem, LLC · DE

Inventors

Gerhard Huschelrath · Laufach, DE
Ewald Kowol · Reiskirchen, DE

Key dates

Filing date	Jun 27, 1985
Grant date	May 19, 1987
Priority date	—
Expiry date	Jun 27, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/2695
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An electrodynamic transducer (10) is disclosed for non-destructive material testing comprising at least one internal pole shoe (16) of an electromagnet with core (12) and magnetic winding (14). The end section (18) of the internal pole shoe (16) is arranged eccentrically in relation to the center axis (29) of the core (12) and is designed to rotate with the core (12) about the center axis (29) thereof.

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