Location History:
- Chiba, JP (1978)
- Toride, JP (1978 - 1986)
Company Filing History:
Years Active: 1978-1986
Title: Kiyozumi Hayashi: Innovator in Nuclear Fuel Technology
Introduction
Kiyozumi Hayashi is a notable inventor based in Toride, Japan. He has made significant contributions to the field of nuclear fuel technology, holding a total of four patents. His work focuses on enhancing the efficiency and safety of nuclear fuel assemblies.
Latest Patents
One of Hayashi's latest patents is a fuel assembly spacer. This innovative spacer supports a plurality of fuel rods forming a nuclear fuel assembly. It comprises a peripheral band surrounding a bundle of fuel rods and a plurality of spacer framework units, each holding one fuel rod. The spacer framework units are welded or brazed to the peripheral band, arranged inside it. Additionally, spring members are integrally formed on each of the spacer framework units. The materials used for the spacer framework units, spring members, and peripheral band include a zirconium alloy containing 5-25% by weight niobium and 0.1-1% by weight chromium and/or iron. Another significant patent is for a nuclear fuel element, which includes a cladding tube with end plugs sealing its ends and a multiplicity of fuel pellets stacked within. Each fuel pellet features a cylindrical external lateral surface with longitudinal recesses and is designed to optimize stacking for improved performance.
Career Highlights
Kiyozumi Hayashi works at Doryokuro Kakunenryo Kaihatsu Jigyodan, where he continues to develop innovative solutions in nuclear technology. His expertise and dedication have positioned him as a key figure in his field.
Collaborations
Hayashi collaborates with esteemed colleagues, including Kazushige Domoto and Yoshitsugu Mishima. Their combined efforts contribute to advancements in nuclear fuel technology.
Conclusion
Kiyozumi Hayashi's contributions to nuclear fuel technology through his patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and improve safety and efficiency in nuclear energy applications.