Herbert Diederich

Title: Herbert Diederich and His Submersible Motor Pump Invention.

Introduction

Herbert Diederich was an inventor associated with Frankenthal, Germany. His recorded patent, developed in connection with Klein, Schanzlin & Becker Aktiengesellschaft, addresses a design challenge in submersible motor pumps: preventing solid impurities from entering the motor housing.

Latest Patents

Diederich’s listed patent is “Submersible Motor Pump Assembly.” The invention places the motor below the pump and surrounds the drive shaft with a tubular thermal barrier. Because the shaft clearance could allow impurities—particularly magnetizable particles—to reach the motor housing, the design directs flushing liquid from the pump’s discharge nozzle through a filter and into that clearance.

The filter uses multiple electromagnets to capture magnetizable particles while allowing cleaner liquid to flush the shaft clearance. Channels formed directly in the tubular member return liquid carrying captured or unfiltered impurities to the pump casing, where it can be recirculated by the impellers. The electromagnets can operate independently and are energized around the time the motor starts, including during its run-up. Diederich is credited with 1 patent.

Career Highlights

The available information connects Diederich’s patent work with Klein, Schanzlin & Becker Aktiengesellschaft. His documented contribution focuses on protecting a pump’s motor from contamination through filtration, magnetic separation, and controlled liquid circulation.

Collaborations

The listed coworkers associated with Diederich are Karl Gaffal and Hugo Scherzer. The available details identify them as collaborators but do not specify their individual roles in the patent.

Conclusion

Herbert Diederich’s recorded invention combines a filtered flushing stream, electromagnets, and return channels to help keep impurities out of a submersible pump’s motor housing.