Jarl Sobel

Title: Innovations of Jarl Sobel in Pulsed Eddy Current Systems

Introduction

Jarl Sobel is a notable inventor based in Bagarmossen, Sweden. He has made significant contributions to the field of pulsed eddy current systems, holding three patents that showcase his innovative approach to non-contact measurement techniques.

Latest Patents

One of Sobel's latest patents is a transmitter for a Pulsed Eddy Current system. This invention is designed to generate a changing electromagnetic field that induces eddy currents in electrically conductive materials. The transmitter includes a switching device and a transmitter coil connected to a voltage source. The coil comprises multiple parallel electrically conductive layers, each equipped with a damping resistor and a diode.

Another significant patent involves a method for measuring the thickness of conductive materials using a pulsed eddy current system. This method allows for non-contact measurement by analyzing the voltage induced at various time points after the current in the transmitter coil is turned off. The process includes calculating the total magnetic flux generated by the eddy currents and normalizing the measured flux to determine the thickness and resistivity of the object.

Career Highlights

Jarl Sobel is currently employed at ABB Schweiz AG, where he continues to develop innovative technologies in the field of eddy current systems. His work has contributed to advancements in non-destructive testing and measurement techniques.

Collaborations

Sobel collaborates with talented colleagues, including Martin Haldin and Sten Linder, who share his passion for innovation and technology development.

Conclusion

Jarl Sobel's contributions to pulsed eddy current systems reflect his dedication to advancing measurement techniques in conductive materials. His patents demonstrate a commitment to innovation that continues to impact the field positively.