Company Filing History:
Years Active: 2025
Title: Tuomas Yli-Rahnasto: Innovator in Cooling Technologies
Introduction
Tuomas Yli-Rahnasto is a notable inventor based in Vaasa, Finland. He has made significant contributions to the field of cooling technologies, particularly in electric power converters and motor drives. With a total of 2 patents to his name, Yli-Rahnasto's work focuses on enhancing the efficiency and performance of electronic devices.
Latest Patents
Yli-Rahnasto's latest patents include a heat pipe cooling device and method with fan control based on air temperature. This innovative method is designed for cooling devices such as electric motor drives or general power converters. The system incorporates a heatsink, electronic components, a heat pipe, an inlet air temperature measuring device, and a cooling fan. The method allows the drive to determine if the inlet air temperature is below a specified threshold and adjusts the fan speed accordingly to optimize cooling.
Another significant patent is related to an electric power converter, specifically an electric motor drive. This invention features a cooling system with a heat sink to dissipate thermal energy generated by the converter. It includes measuring means for coolant inlet temperature and heat sink temperature, as well as estimating means for thermal energy transfer. The converter is capable of estimating thermal resistance and comparing it to reference values, providing signals when discrepancies exceed a threshold.
Career Highlights
Tuomas Yli-Rahnasto is currently associated with Vacon Oy, a company known for its expertise in power electronics and drive solutions. His work at Vacon Oy has allowed him to develop and refine his innovative cooling technologies, contributing to the company's reputation in the industry.
Collaborations
Yli-Rahnasto has collaborated with notable colleagues such as Ari Ristimäki and Juha Norrena. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in the field of power electronics.
Conclusion
Tuomas Yli-Rahnasto is a prominent figure in the realm of cooling technologies, with a focus on electric power converters and motor drives. His innovative patents and contributions to Vacon Oy highlight his commitment to advancing the efficiency of electronic devices. His work continues to influence the industry and pave the way for future innovations.