Tadashi Tanuma

Title: Innovations of Tadashi Tanuma

Introduction

Tadashi Tanuma is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of engineering, particularly in the development of steam turbines. With a total of 6 patents to his name, Tanuma's work has had a considerable impact on the industry.

Latest Patents

Tanuma's latest patents include innovative designs for steam turbines and steam turbine blades. One of his notable inventions is a steam turbine that features a turbine rotor, a rotor blade implanted in the rotor, and a stator blade positioned upstream of the rotor blade. This design includes a turbine casing that supports the stator blade and houses the rotor and rotor blade. The invention creates a stage formed by a pair of rotor and stator blades, allowing for efficient steam passage arranged in an axial direction of the turbine rotor. Additionally, he has developed a surface treatment method to reduce surface roughness caused by oxidation on the rotor and stator blades.

Another significant patent is for a large part polishing apparatus and method. This invention consists of a turntable that holds turbine parts in place, which is rotatably supported and driven by a motor. The apparatus includes an abrasive feeding unit that supplies elastic core abrasive particles and a polishing head that applies rotary energy to these particles. The polishing head injects the abrasive particles at high speed toward the surface of the turbine part, while an abrasive recovery unit collects the used particles for recycling.

Career Highlights

Tanuma is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate and develop new technologies. His work has been instrumental in advancing turbine technology, making significant strides in efficiency and performance.

Collaborations

Throughout his career, Tanuma has collaborated with notable colleagues, including Satoru Asai and Kenji Kamimura. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tadashi Tanuma's contributions to the field of engineering, particularly in steam turbine technology, highlight his innovative spirit and dedication to advancing the industry. His patents reflect a commitment to improving efficiency and performance in turbine design.