Patent US2710458A successfully refreshed from Google Patents.
Patent US3242745A successfully refreshed from Google Patents.
US3242745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensation device for gyroscope motor and torquer drives
Assignee: North American Aviation Corp
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Filing: 1960-11-30
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Granted: 1966-03-29
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Edgar B Romberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:15
CPC Classifications
G; G01; G01C; G01C19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A GYROSCOPE HAVING A ROTOR WITH A CONDUCTIVE SHELL ATTACHED THERETO; MEANS FOR TORQUING SAID SHELL COMPRISING A FIRST PAIR OF MAIN WINDINGS POSITIONED ON OPPOSITE SIDES OF SAID SHELL ALONG A FIRST AXIS NORMAL TO THE ROTOR SPIN AXIS, A SECOND PAIR OF MAIN WINDINGS POSITIONED ON OPPOSITE SIDES OF SAID SHELL ALONG A SECOND AXIS NORMAL TO THE ROTOR SPIN AXIS, SAID SECOND AXIS BEING NORMAL TO SAID FIRST AXIS, AND A CURRENT SOURCE COUPLED TO SAID MAIN WINDINGS; AND MEANS FOR COMPENSATING THE TORQUES GENERATED IN SAID MAIN WINDINGS COMPRISING FIRST AND SECOND PAIRS OF COMPENSATING WINDINGS POSITIONED ADJACENT SAID FIRST AND SECOND PAIRS OF MAIN WINDINGS RESPECTIVELY, AND MEANS FOR CAUSING A COMPENSATING CURRENT FLOW OF A FIXED PROPORTION OF THE CURRENT FLOW IN A RESPECTIVE ONE OF SAID MAIN WINDINGS IN EACH OF SAID COMPENSATING WINDINGS.
Claim 2
Dependent Claim
142 words
IN A GYROSCOPE HAVING A ROTOR WITH A CONDUCTIVE SHELL ATTACHED THERETO; MEANS FOR TORQUING SAID SHELL COMPRISING A FIRST PAIR OF MAIN WINDINGS POSITIONED ON OPPOSITE SIDES OF SAID SHELL ALONG A FIRST AXIS NORMAL TO THE ROTOR SPIN AXIS, A SECOND PAIR OF MAIN WINDINGS POSITIONED ON OPPOSITE SIDES OF SAID SHELL ALONG A SECOND AXIS NORMAL TO THE ROTOR SPIN AXIS, SAID SECOND AXIS BEING NORMAL TO SAID FIRST AXIS, AND A CURRENT SOURCE COUPLED TO SAID MAIN WINDINGS; AND MEANS FOR COMPENSATING THE TORQUES GENERATED IN SAID MAIN WINDINGS COMPRISING FIRST AND SECOND PAIRS OF COMPENSATING WINDINGS POSITIONED ADJACENT SAID FIRST AND SECOND PAIRS OF MAIN WINDINGS RESPECTIVELY, AND MEANS FOR CAUSING A COMPENSATING CURRENT FLOW OF A FIXED PROPORTION OF THE CURRENT FLOW IN A RESPECTIVE ONE OF SAID MAIN WINDINGS IN EACH OF SAID COMPENSATING WINDINGS.
References Cited (Backward Citations)
US2417689A
Cited
US2916919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |