Patent JPS5435036A successfully refreshed from Google Patents.
Patent EP0377269A1 successfully refreshed from Google Patents.
US3139384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control rod operating device
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
•
Filing: 1962-06-22
•
Granted: 1964-06-30
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Filloleau Etienne
- 👤 Haffemayer Marcel
- 👤 Maulard Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:01
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/14; G21C1/00; G21C1/02; G21C13/00; G21C13/02; G21C13/06; G21C13/073; G21C7/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A NUCLEAR REACTOR, IN COMBINATION, A MOVABLE CONTROL ROD ADAPTED TO OCCUPY A SAFETY POSITION IN SAID REACTOR AND A DEVICE FOR OPERATING SAID CONTROL ROD, SAID, DEVICE COMPRISING A DIFFERENTIAL GEAR HAVING AN OUTPUT ELEMENT A FIRST ROTATING INPUT ELEMENT, AND A SECOND ROTATING INPUT ELEMENT,MEANS FOR OPERATIVELY CONNECTING SAID OUTPUT ELEMENT WITH SAID CONTROL ROD, A OWER SYSTEM OPERATIVELY CONNECTED WITH SAID FIRST INPUT ELEMENT IN EITHER OF TWO OPPOSED DIRECTIONS, AND AN ACTUATING MECHANISM OPERATIVELY CONNECTED WITH SAID SECOND INPUT ELEMENT TO DRIVE IT IN THE DIRECTION PRODUCING THE MOVEMENT OF SAID CONTROL ROD INTO SAFETY POSITION.
Claim 2
Dependent Claim
101 words
IN A NUCLEAR REACTOR, IN COMBINATION, A MOVABLE CONTROL ROD ADAPTED TO OCCUPY A SAFETY POSITION IN SAID REACTOR AND A DEVICE FOR OPERATING SAID CONTROL ROD, SAID, DEVICE COMPRISING A DIFFERENTIAL GEAR HAVING AN OUTPUT ELEMENT A FIRST ROTATING INPUT ELEMENT, AND A SECOND ROTATING INPUT ELEMENT,MEANS FOR OPERATIVELY CONNECTING SAID OUTPUT ELEMENT WITH SAID CONTROL ROD, A OWER SYSTEM OPERATIVELY CONNECTED WITH SAID FIRST INPUT ELEMENT IN EITHER OF TWO OPPOSED DIRECTIONS, AND AN ACTUATING MECHANISM OPERATIVELY CONNECTED WITH SAID SECOND INPUT ELEMENT TO DRIVE IT IN THE DIRECTION PRODUCING THE MOVEMENT OF SAID CONTROL ROD INTO SAFETY POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |