Control rod remote disconnect mechanism
US12293846B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2022 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Dec 2, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control rod drive mechanism having a torque tube, a control rod assembly including a connecting rod and a spider, a lock cam assembly rotatably secured to a bottom end of the connecting rod and including a locking cam, and a locking collar disposed non-rotatably within the spider, the locking collar including a locking recess with an entry slot, wherein in a first axial position the lock cam assembly is rotatable with respect to the torque tube, and a second axial position the lock cam assembly is non-rotatable with respect to the torque tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.