Wilbert J Janos

Title: Wilbert J Janos: Innovator in Eddy Current Inspection Technologies

Introduction

Wilbert J Janos is a notable inventor based in North Ridgeville, OH (US). He has made significant contributions to the field of eddy current inspection technologies, holding a total of 2 patents. His work focuses on improving the methods used for inspecting welds and detecting flaws in metallic workpieces.

Latest Patents

One of his latest patents is titled "Hot Annealed Weld Inspection." This invention discloses an eddy current system and method designed for hot annealed weld inspection on metallic workpieces, such as steel pipes. The system utilizes an annealer that produces strong alternating fields to heat the weld. A nearby exciter coil generates test eddy currents within the workpiece at a carrier frequency. The detector circuitry, which includes a demodulator and a detector coil, senses defects within the workpiece by identifying nonuniformities in the test eddy currents. This results in a flaw indicating signal that is modulated on the carrier frequency. The carrier frequency is automatically maintained at a non-integral multiple of the annealer's alternating frequency, ensuring accurate detection.

Another significant patent by Janos is an "Electromagnetic Flaw Detection System and Method Incorporating Improved Automatic Dynamic Error Balancing." This system features an alternating electromagnetic field and a path for passing a metallic workpiece through the field. A differential detection coil is positioned near the workpiece path to respond to nonuniformities caused by flaws, such as voids. The detection circuitry actuates alarm apparatus in response to these indications, signaling the need for corrective action. The automatic balancing circuitry compensates for error signals generated by minute asymmetries in the coil's mechanical structure, ensuring precise flaw detection.

Career Highlights

Wilbert J Janos has dedicated his career to advancing inspection technologies, particularly in the field of eddy current systems. His innovative approaches have led to significant improvements in the reliability and accuracy of weld inspections.

Collaborations

Janos has collaborated with Richard M Harris, contributing to the development of advanced inspection technologies. Their partnership has fostered innovation and enhanced the capabilities of the systems they work on.

Conclusion

Wilbert J Janos is a distinguished inventor whose work in eddy current inspection technologies has made a lasting impact on the industry. His patents reflect a commitment to