US3214717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer torquer
Assignee: General Precision Inc
•
Filing: 1962-12-14
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Granted: 1965-10-26
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Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Rolf K Brodersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:34
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A TORQUER COMPRISING A RING-SHAPED STATOR ELEMENT, A RING-SHAPED ROTOR ELEMENT CONCENTRIC WITH SAID STATOR ELEMENT, ONE OF SAID ELEMENTS HAVING SPACED POLES THEREON COOPERATING WITH THE OTHER ELEMENT IN A MANNER TO DEFINE A PLURALITY OF CIRCUMFERENTIALLY SPACED AIR GAPS THEREBETWEEN, SAID AIR GAPS HAVING A SUBSTANTIALLY CONSTANT RELUCTANCE WHEN SAID ROTOR ELEMENT IS ANGULARLY DISPLACED, A TORQUING COIL WOULD ABOUT SAID ROTOR ELEMENT AT EACH OF SAID AIR GAPS, A PRIMARY WINDING WOULD ABOUT SAID STATOR ELEMENT BETWEEN AT LEAST ONE ADJACENT PAIR OF AIR GAPS, AND A SECONDARY WINDING WOULD ABOUT SAID ROTOR ELEMENT BETWEEN SAID ONE PAIR OF AIR GAPS AND ELECTRICALLY CONNECTED TO THE TORQUING COILS EXTENDING THROUGH SAID AIR GAPS WHEREBY WHEN SAID PRIMARY COIL IS ENERGIZED SAID AIR GAPS WHEREBY WHEN SAID PRIMARY COIL IS ENERGIZED IT WILL AIR GAPS TO GENERATE AN INDUCED CURRENT IN SAID SECONDARY WINDING AND THE TORQUING COILS CONNECTED THERETO TO EXERT A TORQUE ON THE ROTOR ELEMENT.
Claim 2
Dependent Claim
160 words
A TORQUER COMPRISING A RING-SHAPED STATOR ELEMENT, A RING-SHAPED ROTOR ELEMENT CONCENTRIC WITH SAID STATOR ELEMENT, ONE OF SAID ELEMENTS HAVING SPACED POLES THEREON COOPERATING WITH THE OTHER ELEMENT IN A MANNER TO DEFINE A PLURALITY OF CIRCUMFERENTIALLY SPACED AIR GAPS THEREBETWEEN, SAID AIR GAPS HAVING A SUBSTANTIALLY CONSTANT RELUCTANCE WHEN SAID ROTOR ELEMENT IS ANGULARLY DISPLACED, A TORQUING COIL WOULD ABOUT SAID ROTOR ELEMENT AT EACH OF SAID AIR GAPS, A PRIMARY WINDING WOULD ABOUT SAID STATOR ELEMENT BETWEEN AT LEAST ONE ADJACENT PAIR OF AIR GAPS, AND A SECONDARY WINDING WOULD ABOUT SAID ROTOR ELEMENT BETWEEN SAID ONE PAIR OF AIR GAPS AND ELECTRICALLY CONNECTED TO THE TORQUING COILS EXTENDING THROUGH SAID AIR GAPS WHEREBY WHEN SAID PRIMARY COIL IS ENERGIZED SAID AIR GAPS WHEREBY WHEN SAID PRIMARY COIL IS ENERGIZED IT WILL AIR GAPS TO GENERATE AN INDUCED CURRENT IN SAID SECONDARY WINDING AND THE TORQUING COILS CONNECTED THERETO TO EXERT A TORQUE ON THE ROTOR ELEMENT.
References Cited (Backward Citations)
US3019403A
Cited
US3089044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |