US3206366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of replacing fuel elements in a nuclear reactor
Assignee: Sulzer AG
•
Filing: 1961-02-21
•
Granted: 1965-09-14
•
Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Bosshard Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:30
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; G21C15/00; G21C15/02; G21C15/04; G21C19/00; G21C19/18; G21C19/32; G21C3/00; G21C3/30; G21C3/32; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD OF CHANGING, IN A NUCLEAR REACTOR HAVING A RADIATION SHIELD, AN OBLONG FUEL ELEMENT CONTAINING FISSIONABLE MATERIAL AND INSERTED IN A CONTAINER HAVING AN OPENING THROUGH WHCH A COOLANT IS SUPPLIED TO AND REMOVED FROM THE CONTAINER, THE LATTER BEING REMOVABLY PLACED IN A CORRESPONDING PASSAGE IN A MODERATOR UNIT, THE METHOD COMPRISING REMOVIG THE CONTAINER CONTAINING A FUEL ELEMENT WHICH MUST BE CHANGED FROM THE RESPECTIVE PASSAGE, REMOVING THE FUEL ELEMENT INTO THE CONTAINER RETAINED WITHIN THE RADIATION SHIELD, AND PLACING THE CONTAINER CONTAINING THE NEW FUEL ELEMENT INTO A VACANT PASSAGE IN THE MODERATOR UNIT.
Claim 2
Independent Claim
99 words
A METHOD OF CHANGING, IN A NUCLEAR REACTOR HAVING A RADIATION SHIELD, AN OBLONG FUEL ELEMENT CONTAINING FISSIONABLE MATERIAL AND INSERTED IN A CONTAINER HAVING AN OPENING THROUGH WHCH A COOLANT IS SUPPLIED TO AND REMOVED FROM THE CONTAINER, THE LATTER BEING REMOVABLY PLACED IN A CORRESPONDING PASSAGE IN A MODERATOR UNIT, THE METHOD COMPRISING REMOVIG THE CONTAINER CONTAINING A FUEL ELEMENT WHICH MUST BE CHANGED FROM THE RESPECTIVE PASSAGE, REMOVING THE FUEL ELEMENT INTO THE CONTAINER RETAINED WITHIN THE RADIATION SHIELD, AND PLACING THE CONTAINER CONTAINING THE NEW FUEL ELEMENT INTO A VACANT PASSAGE IN THE MODERATOR UNIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |