Martin Kriegel

Title: The Innovations of Martin Kriegel: A Pioneer in Circuit Breaker Technologies

Introduction

Martin Kriegel, a prominent inventor based in Unterehrendingen, Switzerland, has made significant contributions to the field of electrical engineering with a focus on circuit breakers. With a remarkable portfolio of 9 patents, Kriegel stands out for his innovative designs that enhance safety and functionality in electric systems.

Latest Patents

Among his latest inventions is the "Gas-blast circuit breaker with a radial flow opening." This innovative device features a first and second contact that can move relative to one another along a longitudinal axis, equipped with a blowout volume connected via a gas channel to an arc zone. This design aims to effectively blow out an arc struck when the first contact is disconnected from the second contact, thereby ensuring a safer disconnection process.

Another notable invention is the "Self-blowout circuit breaker having a filling and overpressure valve." This circuit breaker includes a set of contacts designed to connect or disconnect circuits, featuring a heating volume, compression volume, and exhaust volume. The combined filling and overpressure valve makes this device particularly efficient by managing the pressure during arcing conditions, enhancing overall safety and reliability in electrical networks.

Career Highlights

Martin Kriegel has collaborated with leading companies such as ABB Technology AG and ABB Research Ltd., where he was instrumental in driving innovation and improving electrical safety technologies. His expertise in design and engineering has played a crucial role in the development of advanced circuit breaker systems.

Collaborations

Throughout his career, Martin has worked alongside notable colleagues, including Olaf Hunger and Juerg Nufer. Together, they have contributed to advancements in electrical engineering, pushing the boundaries of what is possible in circuit protection technology.

Conclusion

With 9 patents to his name, Martin Kriegel exemplifies the spirit of innovation in the field of circuit breakers. His designs not only improve functionality and safety but also set new standards in the industry. As technology continues to evolve, Kriegel's contributions will undoubtedly shape the future of electrical engineering.