Safety device for nuclear reactors with means for preventing control rod ejection
Abstract
Abstract A SAFETY DEVICE FOR NUCLEAR REACTORS, WHEREIN THE REACTOR COMPRISES A HOUSING OR CONTAINMENT SURROUNDING A CORE HAVING MOVEABLE CONTROL RODS THEREIN AND A PRESSURE TUBE EXTENDING FROM THE HOUSING IN WHICH THE CONTROL ROD AND THE CONTROL ROD MOVEMENT MECHANISMS ARE CONTAINED OR TO WHICH THEY ARE ATTACHED. A SAFETY LOCKING DEVICE IS PROVIDED WITHIN THE HOUSING PROXIMATE TO THE CORE WHICH COMPRISES PAWL MEANS PROXIMATE TO MATING-ENGAGEMENT MEANS EXTENDING FROM THE CONTROL ROD, WHEREIN THE PAWL IS HELD AWAY FROM THE CONTROL ROD, GAGEMENT MEANS UNDER TENSION. IN THE EVENT THAT THE PRESSURE TUBE IS FORCED AWAY FROM THE REACTOR, THE MEANS HOLDING THE PAWL AWAY FROM THE EXTENDED ENGAGEMENT MEANS IS REMOVED, WHEREBY PERMITTING THE PAWL TO ENGAGE THE ENGAGEMENT MEANS AND PREVENT THE EJECTION FROM THE CORE OF THE CONTROL ROD.
Inventors
- 👤 Karlheinz Handel
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |