Ville Ristimäki

Title: Innovations of Ville Ristimäki in Mining Technology

Introduction

Ville Ristimäki is a notable inventor based in Tampere, Finland. He has made significant contributions to the field of mining technology, particularly in the development of electric motor systems for mining vehicles. His innovative approach has led to advancements that enhance the efficiency and reliability of mining operations.

Latest Patents

Ristimäki holds a patent for a "Mining vehicle and method for starting an AC electric motor of a mining vehicle." This invention outlines a method for starting an AC electric motor by first accelerating it to a specific speed using a second AC voltage from an onboard battery-powered inverter. The invention includes a comparison of the phase of the first AC voltage from an external grid with the second AC voltage. If the phase difference exceeds a predetermined limit, adjustments are made to the inverter's rotation speed. Conversely, if the phase difference is within limits, the motor switches from the second AC voltage to the first AC voltage. This innovative method improves the operational efficiency of mining vehicles.

Career Highlights

Ville Ristimäki is currently employed at Sandvik Mining and Construction Oy, a leading company in the mining and construction industry. His work focuses on enhancing the performance of mining vehicles through innovative electrical systems. Ristimäki's expertise in this area has positioned him as a valuable asset to his team and the industry.

Collaborations

Ristimäki collaborates with talented professionals such as Tommi Tiihonen and Harri Vatanen. Their combined efforts contribute to the development of cutting-edge technologies in mining.

Conclusion

Ville Ristimäki's contributions to mining technology through his innovative patent demonstrate his commitment to improving the efficiency of mining operations. His work at Sandvik Mining and Construction Oy continues to influence the industry positively.