US2863815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor
Assignee: Individual
•
Filing: 1954-07-22
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Granted: 1958-12-09
•
Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Moore Richard Valentine
- 👤 Bowen John Henry
- 👤 Dent Kenneth Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:22
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/04; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/10; G21C1/12; G21C19/00; G21C19/16; G21C19/18; G21C5/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A NUCLEAR REACTOR COMPRISING A PRESSURE VESSEL CONTAINING A MODERATOR STRUCTURE FORMED WITH VERTICAL FUEL ELEMENT CHANNELS SYMMETRICALLY ARRANGED AS A REGULAR LATTICE IN GROUPS AND WITH CONTROL ROD CHANNELS ALSO ARRANGED ON A REGULAR LATTICE SO THAT EACH CONTROL ROD CHANNEL IS CENTERED ON ONE OF SAID GROUPS, CONTROL RODS MOVABLE IN SAID CONTROL ROD CHANNELS, FUEL ELEMENTS IN SAID FUEL ELEMENT CHANNELS, MEANS DEFINING APERTURES IN SAID PRESSURE VESSEL ABOVE AND BELOW SAID MODERATOR STRUCTURE TO PROVIDE FOR THE PASSAGE OF A COOLANT THROUGH SAID FUEL ELEMENT CHANNELS AND HENCE OVER THE FUEL ELEMENTS, SHIELDING AROUND THE PRESSURE VESSEL, MEANS DEFINING ACCESS HOLES PENETRATING THE SHIELDING AND THE PRESSURE VESSEL VERTICALLY ABOVE SAID CONTROL ROD CHANNELS, APERTURED REMOVABLE SHIELDING PLUGS IN SAID ACCESS HOLES, REMOVABLE CONTROL ROD DRIVING MECHANISMS ABOVE AND SAID PLUGS, CONTROL ROD TIES BETWEEN SAID MECHANISMS AND SAID CONTROL RODS PASSING THROUGH THE APERTURED PLUGS, REMOVABLE CLOSURE MEMBERS SEALING SAID ACCESS HOLES, MEANS FOR REMOVING SAID CLOSURE MEMBERS AND WITHDRAWING SAID DRIVING MECHANISMS AND PLUGS FROM THE ACCESS HOLES AND MEANS FOR INTRODUCING FUEL ELEMENT CHARGING CHUTES INTO THE ACCESS HOLES, THE CHUTES BEING ADPATED TO SERVICE SAID GROUPS OF FUEL ELEMENT CHANNELS WHEN LOCATED IN CONTROL ROD CHANNELS.
Claim 2
Dependent Claim
204 words
A NUCLEAR REACTOR COMPRISING A PRESSURE VESSEL CONTAINING A MODERATOR STRUCTURE FORMED WITH VERTICAL FUEL ELEMENT CHANNELS SYMMETRICALLY ARRANGED AS A REGULAR LATTICE IN GROUPS AND WITH CONTROL ROD CHANNELS ALSO ARRANGED ON A REGULAR LATTICE SO THAT EACH CONTROL ROD CHANNEL IS CENTERED ON ONE OF SAID GROUPS, CONTROL RODS MOVABLE IN SAID CONTROL ROD CHANNELS, FUEL ELEMENTS IN SAID FUEL ELEMENT CHANNELS, MEANS DEFINING APERTURES IN SAID PRESSURE VESSEL ABOVE AND BELOW SAID MODERATOR STRUCTURE TO PROVIDE FOR THE PASSAGE OF A COOLANT THROUGH SAID FUEL ELEMENT CHANNELS AND HENCE OVER THE FUEL ELEMENTS, SHIELDING AROUND THE PRESSURE VESSEL, MEANS DEFINING ACCESS HOLES PENETRATING THE SHIELDING AND THE PRESSURE VESSEL VERTICALLY ABOVE SAID CONTROL ROD CHANNELS, APERTURED REMOVABLE SHIELDING PLUGS IN SAID ACCESS HOLES, REMOVABLE CONTROL ROD DRIVING MECHANISMS ABOVE AND SAID PLUGS, CONTROL ROD TIES BETWEEN SAID MECHANISMS AND SAID CONTROL RODS PASSING THROUGH THE APERTURED PLUGS, REMOVABLE CLOSURE MEMBERS SEALING SAID ACCESS HOLES, MEANS FOR REMOVING SAID CLOSURE MEMBERS AND WITHDRAWING SAID DRIVING MECHANISMS AND PLUGS FROM THE ACCESS HOLES AND MEANS FOR INTRODUCING FUEL ELEMENT CHARGING CHUTES INTO THE ACCESS HOLES, THE CHUTES BEING ADPATED TO SERVICE SAID GROUPS OF FUEL ELEMENT CHANNELS WHEN LOCATED IN CONTROL ROD CHANNELS.
References Cited (Backward Citations)
US2708656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |