Hans Jakobs

Title: Innovations of Hans Jakobs: Pioneering Over-Voltage Protection Circuits

Introduction: Hans Jakobs is a notable inventor based in Schaumburg Township, Cook County, IL, USA. With two patents to his name, he has made significant contributions to the field of electrical engineering, particularly in over-voltage protection systems. His innovations aim to improve the reliability and safety of electric machines.

Latest Patents: Jakobs holds two patents focused on over-voltage protection circuits. The first patent involves an over-voltage protection circuit for wye-connected electric machines, utilizing a load dump circuit that includes a silicon-controlled rectifier. This setup effectively shunts the output windings when excessive voltage arises due to rapid load reduction or similar conditions. Furthermore, it features a Zener diode sensing circuit that activates the controlled rectifier during these occurrences and includes mechanisms to terminate field excitation.

His second patent also addresses over-voltage conditions, employing a controlled rectifier to shunt the output winding of an electric generating machine. This invention incorporates impedance means in series with the controlled rectifier and regulation circuitry that are responsive to current flowing through the impedance. The enhanced triggering circuit, featuring a Zener diode and a transistor switch, ensures reliable operation of the controlled rectifier, preventing field excitation during over-voltage events.

Career Highlights: Hans Jakobs is currently employed at C.E. Niehoff & Co., a firm known for its advancements in electrical engineering. His work here demonstrates a commitment to enhancing the technology necessary for efficient and safe electric machines.

Collaborations: In his innovative journey, Hans collaborates with Charles J. Juhnke, enhancing the exchange of ideas and expertise within their projects. Together, they work to push the boundaries of electrical safety, contributing valuable insights into the field.

Conclusion: Hans Jakobs stands as a prominent inventor whose work on over-voltage protection circuits has established new standards in the electrical engineering domain. His innovative solutions aim to safeguard electric machines, reflecting a dedication to improving technology for broader applications.