US3264502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepping motor drives for control rods for reactors, and the like
Assignee: Individual
•
Filing: 1960-06-20
•
Granted: 1966-08-02
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Chester W Lytle
- 👤 Robert V Suhrke
- 👤 William A Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; H; H02; H02K; H02K37/00; H02K37/02; H02K37/04; H02K37/06; H02K37/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
MEANS TO MOVE A CONTROL ROD OF A REACTOR VERTICALLY COMPRISING IN COMBINATION A VERTICALLY MOVABLE CONTROL ROD, A VERTICALLY MOVABLE CONTROL ROD SUPPORTING ELEMENT, A MOTOR INCLUDING A STATOR ELEMENT AND A ROTOR ELEMENT, AND DRIVING CONNECTIONS BETWEEN THE ROTOR ELEMENT AND THE CONTROL ROD SUPPORTING ELEMENT EFFECTIVE TO MOVE THE SUPPORTING ELEMENT VERTICALLY IN EITHER THE UPWARD OR THE DOWNWARD DIRECTION, SAID DRIVING CONNECTIONS INCLUDING TWO TOOTHED ELEMENT DRIVING CONNECTIONS BETWEEN THE ROTOR ELEMENT AND THE VERTICALLY MOVABLE CONTROL ROD SUPPORTING ELEMENT, SAID TWO TOOTHED ELEMENT DRIVING CONNECTIONS BEING CONSTITUTED FOR DRIVE OF THE SUPPORTING ELEMENT AT DIFFERENT SPEED RATIOS OF THE SUPPORTING ELEMENT FOR A SELECTED SPEED OF THE MOTOR ROTOR; AND CLUTCHING MEANS IN EACH SUCH TOOTHED ELEMENT DRIVING CON-
Claim 2
Dependent Claim
124 words
MEANS TO MOVE A CONTROL ROD OF A REACTOR VERTICALLY COMPRISING IN COMBINATION A VERTICALLY MOVABLE CONTROL ROD, A VERTICALLY MOVABLE CONTROL ROD SUPPORTING ELEMENT, A MOTOR INCLUDING A STATOR ELEMENT AND A ROTOR ELEMENT, AND DRIVING CONNECTIONS BETWEEN THE ROTOR ELEMENT AND THE CONTROL ROD SUPPORTING ELEMENT EFFECTIVE TO MOVE THE SUPPORTING ELEMENT VERTICALLY IN EITHER THE UPWARD OR THE DOWNWARD DIRECTION, SAID DRIVING CONNECTIONS INCLUDING TWO TOOTHED ELEMENT DRIVING CONNECTIONS BETWEEN THE ROTOR ELEMENT AND THE VERTICALLY MOVABLE CONTROL ROD SUPPORTING ELEMENT, SAID TWO TOOTHED ELEMENT DRIVING CONNECTIONS BEING CONSTITUTED FOR DRIVE OF THE SUPPORTING ELEMENT AT DIFFERENT SPEED RATIOS OF THE SUPPORTING ELEMENT FOR A SELECTED SPEED OF THE MOTOR ROTOR; AND CLUTCHING MEANS IN EACH SUCH TOOTHED ELEMENT DRIVING CON-
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |