Yukihiro Hashimoto is a distinguished inventor based in Tokyo, Japan, recognized for his significant contributions to the field of gas turbine technology. With two patents to his name, Hashimoto continues to innovate within his role at Mitsubishi Hitachi Power Systems, Ltd., making strides that enhance the efficiency and reliability of rotating machines.

Latest Patents

Hashimoto's most recent patents include groundbreaking structures designed for gas turbine casings and shaft sealing devices.

1. **Structure for Gas Turbine Casing**: This innovative structure is designed to prevent gas leakage under pressure. It features a unique design divided by a horizontal plane at the flange sections into two halves: an upper-half casing and a lower-half casing. The patented structure employs bolts embedded in the inner surfaces of both casings, complemented by upper and lower nuts that secure them. This design enhances the operational efficiency and safety of gas turbines.

2. **Shaft Sealing Device and Rotating Machine Comprising Same**: This invention introduces a shaft sealing device that creates an efficient barrier in the annular space between a rotor and a stator. It effectively divides the space into high-pressure and low-pressure regions. The sealing device comprises a stack of thin plate sealing pieces arranged circumferentially around the rotor. Additionally, a high-pressure side plate, which is segmented for enhanced rigidity and support, aligns with the high-pressure region, ensuring optimal performance in rotating machines.

Career Highlights

Yukihiro Hashimoto's career is marked by his work at Mitsubishi Hitachi Power Systems, Ltd., where he has played a key role in enhancing gas turbine and rotating machine technologies. His contributions have positioned him as a prominent figure in the engineering community, especially in the context of energy efficiency and machine reliability.

Collaborations

Throughout his career, Hashimoto has collaborated with esteemed colleagues such as Hidekazu Uehara and Tanehiro Shinohara. Together, they have worked on advancing their innovations, sharing expertise and insights that drive forward their projects.

Conclusion

Yukihiro Hashimoto exemplifies the spirit of innovation through his inventions and contributions to the power systems industry. His latest patents not only demonstrate his engineering prowess but also highlight the importance of continual improvement in technology. With a firm commitment to his work at Mitsubishi Hitachi Power Systems, Hashimoto is poised to contribute even further to the advancements in energy efficiency and machine safety in the years to come.

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