Bernhard Pfeiffer

Title: The Innovations of Bernhard Pfeiffer

Introduction

Bernhard Pfeiffer is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of electrical engineering, particularly in the development of current overload tripping devices and low-voltage circuit breakers. With a total of 3 patents to his name, Pfeiffer's work reflects a commitment to enhancing safety and efficiency in electrical systems.

Latest Patents

One of Pfeiffer's latest patents is a current overload tripping device with a leading tripping action. This innovative device features a time-delayed leading tripping action that addresses uneven loading in multiphase circuits. It includes a current pickup for each phase, connected in series with an electromagnetic converter. Each current pickup comprises a winding surrounding a magnet yoke, and the electromagnetic converter operates to provide a time-delayed tripping signal based on temperature and time.

Another significant patent is related to a contact arrangement of a low-voltage circuit breaker. This design incorporates electrodynamic breaking or opening mechanisms. The assembly simplifies the use of a compression spring for pretensioning a contact lever, eliminating the need for an assembly fixture. The pivot bearing of the contact lever is ingeniously formed by a pan-like depression in the contact lever carrier, allowing for a more compact design.

Career Highlights

Throughout his career, Bernhard Pfeiffer has worked with prominent companies such as Siemens Aktiengesellschaft and Tyco Electronics. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the electrical engineering sector.

Collaborations

Pfeiffer has collaborated with notable colleagues, including Karl-Heinz Manthe and Martin Boettcher. These partnerships have fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Bernhard Pfeiffer's contributions to electrical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry, ensuring safer and more efficient electrical systems.