Company Filing History:
2 out of 152 
1 out of 1 Years Active: 2015-2016
Title: Sandro Purfuerst: Innovator in Motor Control Technology
Introduction
Sandro Purfuerst, an inventor based in Ilmenau, Germany, has made significant contributions to motor control technology. With two patents to his name, Purfuerst's work focuses on enhancing the efficiency and performance of switched reluctance motors (SRM). His innovative approaches are paving the way for advancements in this field.
Latest Patents
1. **Control Circuit and Method for Controlling a Multiphase Motor**: This patent describes a circuit designed for controlling a multiphase SRM motor. The invention includes multiple components, such as low-side and high-side transistors for each winding, along with corresponding diodes and at least one current sensor. The controller is configured to energize each winding in alternating time slots, allowing for precise control of the motor’s operation.
2. **Determining Rotor Position in Sensorless Switched Reluctance Motors**: This patent outlines a method for identifying the rotor position in a switched reluctance motor. By applying voltage to a phase winding and analyzing the current signal, the method detects specific features that help in accurately determining the rotor's location. An apparatus to implement this method has also been described.
Career Highlights
Throughout his career, Sandro Purfuerst has worked with notable companies, including Melexis Technologies NV and DriveExpert GmbH. His experience in these organizations has allowed him to hone his skills in motor control systems and enhance his contributions to the field.
Collaborations
Purfuerst has collaborated with fellow professionals, including Thomas Freitag and Veit Zöppig. These partnerships have facilitated the exchange of ideas and have been instrumental in the development of his innovative patents.
Conclusion
Sandro Purfuerst stands out as a dedicated inventor in the realm of motor control technology. Through his latest patents and professional collaborations, he continues to push the boundaries of innovation, laying the groundwork for future advancements in switched reluctance motors. As technology evolves, his contributions will undoubtedly have a lasting impact on the industry.