Company Filing History:
Years Active: 1991-1995
Title: Akinobu Nakajima: Innovator in Fuel Assembly Technology
Introduction
Akinobu Nakajima is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of nuclear engineering, particularly in the design of fuel assemblies and reactor cores. With a total of 8 patents to his name, Nakajima's work has had a substantial impact on improving the efficiency and safety of nuclear reactors.
Latest Patents
One of Nakajima's latest patents focuses on a fuel assembly that comprises fuel rods arranged in a square lattice pattern of 10 rows and 10 columns. This innovative design includes three large-diameter water rods positioned along a diagonal line of the fuel assembly, allowing for the accommodation of 10 fuel rods. The arrangement of partial length fuel rods in the outermost layer enhances the fuel economy while reducing the void coefficient and improving reactivity control capability. Another notable patent involves a second fuel rod positioned at each corner of a channel box, which has a smaller outer diameter than ordinary first fuel rods. This design reduces the power per unit length of the second fuel rods and creates a new moderator region that intensifies thermal neutron flux, enabling a fuel assembly intended for higher burn-up.
Career Highlights
Akinobu Nakajima has dedicated his career to advancing nuclear technology through innovative designs and engineering solutions. His work at Hitachi, Ltd. has positioned him as a key figure in the development of safer and more efficient nuclear reactors. His patents reflect a deep understanding of the complexities involved in reactor design and the importance of optimizing fuel usage.
Collaborations
Throughout his career, Nakajima has collaborated with notable colleagues such as Motoo Aoyama and Junichi Yamashita. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise, further enhancing the quality of their innovations.
Conclusion
Akinobu Nakajima's contributions to the field of nuclear engineering through his innovative patents have significantly advanced the technology of fuel assemblies and reactor cores. His work continues to influence the industry, promoting safer and more efficient nuclear energy solutions.