Katsuyuki Tamai

Title: Innovations of Katsuyuki Tamai

Introduction

Katsuyuki Tamai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of six patents. His work focuses on enhancing the efficiency and performance of turbocharged engines.

Latest Patents

One of his latest patents is an auxiliary apparatus for a turbocharged internal combustion engine. This invention features intake and exhaust ports equipped with respective turbine impellers, along with an electrical rotary machine connected to a rotary shaft. Sensors are integrated to monitor the engine's loaded state based on RPM and fuel supply. When the engine is overloaded, the electrical rotary machine operates as a motor to assist in supercharging. Conversely, when the engine load is manageable, it functions as a generator to store surplus energy from the exhaust in a battery. Another significant patent is an electric generator designed for use in a turbocharger. This generator includes a rotor mounted on the turbocharger's rotational shaft, featuring a single permanent magnet within an outer cylindrical sleeve. This design prevents rotor breakage during high-speed rotation and incorporates heat insulation between the magnet and the shaft.

Career Highlights

Katsuyuki Tamai has worked with prominent companies such as Isuzu Motors Limited and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in engine technology and innovation.

Collaborations

He has collaborated with notable coworkers, including Hideo Kawamura and Shigeki Saito, further enhancing his contributions to the field.

Conclusion

Katsuyuki Tamai's innovative work in turbocharged internal combustion engines showcases his dedication to advancing automotive technology. His patents reflect a commitment to improving engine performance and efficiency.