Company Filing History:
Years Active: 2015-2016
Title: The Innovative Contributions of Ralf Kowalewski
Introduction
Ralf Kowalewski, a notable inventor located in Fürth, Germany, has made significant strides in the field of engineering with his contributions to rolling bearing technology. With two patents to his name, Kowalewski's work focuses on assessing and analyzing damage to rolling bearings, particularly in inverter-fed electric machines.
Latest Patents
Kowalewski's latest patents include a groundbreaking "Method and device for assessing the damage to rolling bearings, in particular in inverter-fed electric machines." This patent outlines an innovative technique to evaluate damage caused by bearing currents in electric machines connected to inverters. The methodology involves detecting electrical discharge energy in lubrication gaps, monitoring high-frequency events, and correlating the frequency and energy of discharge events for comprehensive damage assessment.
Additionally, he holds a patent for an "Electric arc discharge evaluation method, and associated test stand." This invention analyzes electric arc discharges in roller bearings by defining operating parameters such as rotational speed, temperature, vibrations, and lubrication. A specific electrical voltage creates a pulse-shaped discharge, and Kowalewski's method allows for the determination of key characteristics like energy and duration, enhancing the reliability and lifespan of rolling bearings in various applications.
Career Highlights
Ralf Kowalewski is currently employed at Siemens Aktiengesellschaft, where his expertise contributes to the company's innovative projects in electric machinery. Over his career, Kowalewski has focused relentlessly on enhancing the performance of mechanical components, securing his reputation as a leader in the engineering field.
Collaborations
Throughout his career, Kowalewski has collaborated with remarkable colleagues such as Sven Gattermann and Carsten Probol. Their combined knowledge and experience in engineering have fostered advancements in technologies critical to the electric machine sector.
Conclusion
In summary, Ralf Kowalewski stands out as a significant inventor whose patents are set to revolutionize the assessment of damage in rolling bearings. His work at Siemens Aktiengesellschaft, along with collaborations with fellow engineers, reaffirms the importance of innovation in maintaining and improving the standards of engineering technologies today.