Robert Keller

Title: Innovations of Robert Keller

Introduction

Robert Keller is an accomplished inventor based in Baden-Dättwil, Switzerland. He holds three patents that showcase his expertise in engineering and technology. His innovative contributions have significantly impacted various industries.

Latest Patents

One of his latest patents is a method and apparatus for detaching frozen charge from a tube mill. This invention provides a method and associated apparatus for detaching a frozen charge from the inner wall of a grinding pipe of a tube mill, which is commonly used for grinding. The method involves controlling a driving device of the grinding pipe to detach the frozen charge, with the driving device operable to apply a driving torque. The control of the driving device includes varying the driving torque around a predetermined reference level.

Another notable patent is the dual pinion drive system. This system and method are designed for controlling electrical machines. It includes a controller component that receives a first signal providing a measured parameter of the electrical machine and a second signal providing a reference parameter. The first and second signals are utilized to produce a first control signal. Additionally, filter components are employed to generate output control signals for the electrical machines involved.

Career Highlights

Robert Keller has worked with prominent companies such as ABB Schweiz AG and ABB Research Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Throughout his career, Keller has collaborated with notable colleagues, including Patrick Meier and Mehmet Mercangoez. These collaborations have contributed to the advancement of his projects and inventions.

Conclusion

Robert Keller's contributions to innovation through his patents and collaborations highlight his significant role in the field of engineering. His work continues to influence advancements in technology and industry practices.