US3252869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element
Assignee: General Dynamics Corp
•
Filing: 1963-02-12
•
Granted: 1966-05-24
•
Expires: 1983-02-12
Abstract
No abstract record available.
Inventors
- 👤 Stanley L Koutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:51
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C13/00; G21C13/10; G21C19/00; G21C19/28; G21C19/30; G21C19/303; G21C3/041; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SELF-PURGING ELEMENT FOR A NUCLEAR REACTOR COMPRISING, A COOLANT GAS PERVIOUS GRAPHITE BODY HAVING A BORE EXTENDING THERETHROUGH, A PLURALITY OF SPACED APART CHAMBERS ADAPTED TO RECEIVE REACTIVE FUEL IN THE WALL THEREOF AND EXTENDING THROUGHOUT THE LENGTH OF SAID BODY, A HOLLOW GRAPHITE PLUG CONNECTED TO ONE END OF SAID BODY, SAID PLUG COOPERATING WITH SAID BORE AND FORMING A VENTURI THEREIN, SUCH THAT THE PRESSURE OF A COOLANT GAS PASSING THROUGH SAID BODY IS REDUCED ADJACENT SAID PLUG, SAID PLUG HAVING COMMUNICATING PASSAGEWAYS BETWEEN SAID CHAMBERS AND SAID VENTURI, WHEREBY THE PRESSURE IN SAID CHAMBERS IS REDUCED RELATIVE TO THE EXTERIOR AND INTERIOR OF SAID BODY INDUCING COOLANT GAS FLOW INTO SAID CHAMBERS THROUGH THE PERVIOUS WALLS OF SAID BODY.
Claim 2
Dependent Claim
123 words
A SELF-PURGING ELEMENT FOR A NUCLEAR REACTOR COMPRISING, A COOLANT GAS PERVIOUS GRAPHITE BODY HAVING A BORE EXTENDING THERETHROUGH, A PLURALITY OF SPACED APART CHAMBERS ADAPTED TO RECEIVE REACTIVE FUEL IN THE WALL THEREOF AND EXTENDING THROUGHOUT THE LENGTH OF SAID BODY, A HOLLOW GRAPHITE PLUG CONNECTED TO ONE END OF SAID BODY, SAID PLUG COOPERATING WITH SAID BORE AND FORMING A VENTURI THEREIN, SUCH THAT THE PRESSURE OF A COOLANT GAS PASSING THROUGH SAID BODY IS REDUCED ADJACENT SAID PLUG, SAID PLUG HAVING COMMUNICATING PASSAGEWAYS BETWEEN SAID CHAMBERS AND SAID VENTURI, WHEREBY THE PRESSURE IN SAID CHAMBERS IS REDUCED RELATIVE TO THE EXTERIOR AND INTERIOR OF SAID BODY INDUCING COOLANT GAS FLOW INTO SAID CHAMBERS THROUGH THE PERVIOUS WALLS OF SAID BODY.
References Cited (Backward Citations)
US2799642A
Cited
GB809586A
Cited
GB845804A
Cited
US2968601A
Cited
US3039947A
Cited
US3010889A
Cited
GB878927A
Cited
US3135665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |