Jan H Kuhlefelt

Title: Jan H Kuhlefelt: Innovator in Current-Limiting Resistors

Introduction

Jan H Kuhlefelt is a notable inventor based in Beijing, China. He has made significant contributions to the field of electrical engineering, particularly in the development of current-limiting resistors. His innovative designs have the potential to enhance the safety and efficiency of electrical systems.

Latest Patents

Kuhlefelt holds a patent for a current-limiting resistor that exhibits positive temperature coefficient (PTC) behavior. This resistor features two parallel connection electrodes and a resistance body that ensures large-area contact. Additionally, it includes a pillar-shaped varistor that is in electrically conductive contact with the resistance body. This design allows the resistor to operate at high voltages, such as 5 or 10 kV, while simplifying the construction by eliminating the need for metal electrodes for electrical contact.

Career Highlights

Jan H Kuhlefelt is associated with Abb Research Ltd., where he continues to innovate in the field of electrical components. His work focuses on creating solutions that improve the reliability and performance of electrical systems. With a patent portfolio that includes 1 patent, Kuhlefelt is recognized for his contributions to the industry.

Collaborations

Kuhlefelt collaborates with Ralf Strumpler, leveraging their combined expertise to advance their projects and research initiatives.

Conclusion

Jan H Kuhlefelt is a prominent inventor whose work on current-limiting resistors showcases his commitment to innovation in electrical engineering. His contributions are paving the way for safer and more efficient electrical systems.