nuclear reactor

The nuclear reactor design with spherical control units and neutron absorbers addresses the challenge of uneven reactivity control around spherical fuel portions, enhancing efficiency and safety by ensuring uniform control and minimizing neutron leakage.

JP7875797B2Inactive Publication Date: 2026-06-18MITSUBISHI HEAVY IND LTD
5 Cites 0 Cited by

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
MITSUBISHI HEAVY IND LTD
Filing Date
2022-12-16
Publication Date
2026-06-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

⚠Technical Problem

Existing nuclear reactors with cylindrical control mechanisms struggle to effectively control reactivity around spherical fuel portions due to uneven distances, creating ineffective regions.

⚗Method used

A nuclear reactor design featuring a spherical fuel section with multiple spherical control units around its circumference, each equipped with neutron absorbers and reflectors, allowing for precise reactivity adjustment and radiation shielding.

🎯Benefits of technology

Enables effective reactivity control and minimizes neutron leakage, improving the reactor's efficiency and safety by ensuring consistent control across the spherical fuel section.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

To enable effective reactivity adjustment of a spherical fuel portion.SOLUTION: A nuclear reactor 11 is disclosed, comprising a fuel portion 1 with a spherical section, and a plurality of spherical control units 3 arranged around the spherical section, each having a neutron absorber 3a partially provided on an outer periphery thereof.SELECTED DRAWING: Figure 4
Need to check novelty before this filing date? Find Prior Art