Patent US2373160A successfully refreshed from Google Patents.
US3071714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic actuators
Assignee: Sperry Gyroscope Co Ltd
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Filing: 1960-01-22
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Granted: 1963-01-01
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Expires: 1980-01-22
Abstract
No abstract record available.
Inventors
- 👤 Hadekel Reuben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:11
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1638
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
AN ELECTROMAGNETIC ACTUATOR COMPRISING A STATOR AND A SATURABLE MAGNETIC ARMATURE MOUNTED TO MOVE IN RELATION TO THE STATOR WITH RESPECT TO AN AXIS; SAID STATOR INCLUDING A FIRST MAGNETIC CORE WITH A SATURATION LEVEL ABOVE THAT OF THE ARMATURE HAVING A FIRST PAIR OF SPACED POLES PROVIDING A GAP ARRANGED SYMMETRICALLY WITH RESPECT TO THE AXIS, A SECOND MAGNETIC CORE WITH THE SATURATION LEVEL AND CHARACTERISTICS OF THE FIRST CORE HAVING A SECOND PAIR OF SPACED POLES PROVIDING A GAP CORRESPONDING TO THE GAP OF THE FIRST CORE ARRANGED IN CORRESPONDING SYMMETRY WITH RELATION TO THE AXIS; SAID ARMATURE INCLUDING RESPECTIVE PAIRS OF POLAR TERMINALS ARRANGED IN RELATION TO ITS AXIS AND TO THE STATOR TO VARY THE GAP BETWEEN THE FIRST PAIR OF STATOR POLES AND THE GAP BETWEEN THE SECOND PAIR OF STATOR POLES DIFFERENTIALLY AND PROVIDE A COMMON FLUX PATH FOR THE FLUX OF THE RESPECTIVE CORES THAT LIMITS THE TOTAL FLUX CARRIED BY THE TWO CORES TO ITS SATURATION LEVEL, MEANS FOR UNIDIRECTIONALLY POLARIZING THE ARMATURE AND THE TWO MAGNETIC CORES AT THE THE FLUX SATURATION LEVEL OF THE ARMATURE, AND MEANS FOR VARYING THE POLARIZATION OF THE RESPECTIVE CORES OF THE STATOR DIFFERENTIALLY TO MOVE THE FLUX SATURATED ARMATURE TOWARD ONE OF THE PAIRS OF STATOR POLES AND AWAY FROM THE OTHER OF THE PAIRS OF STATOR POLES.
Claim 2
Dependent Claim
224 words
AN ELECTROMAGNETIC ACTUATOR COMPRISING A STATOR AND A SATURABLE MAGNETIC ARMATURE MOUNTED TO MOVE IN RELATION TO THE STATOR WITH RESPECT TO AN AXIS; SAID STATOR INCLUDING A FIRST MAGNETIC CORE WITH A SATURATION LEVEL ABOVE THAT OF THE ARMATURE HAVING A FIRST PAIR OF SPACED POLES PROVIDING A GAP ARRANGED SYMMETRICALLY WITH RESPECT TO THE AXIS, A SECOND MAGNETIC CORE WITH THE SATURATION LEVEL AND CHARACTERISTICS OF THE FIRST CORE HAVING A SECOND PAIR OF SPACED POLES PROVIDING A GAP CORRESPONDING TO THE GAP OF THE FIRST CORE ARRANGED IN CORRESPONDING SYMMETRY WITH RELATION TO THE AXIS; SAID ARMATURE INCLUDING RESPECTIVE PAIRS OF POLAR TERMINALS ARRANGED IN RELATION TO ITS AXIS AND TO THE STATOR TO VARY THE GAP BETWEEN THE FIRST PAIR OF STATOR POLES AND THE GAP BETWEEN THE SECOND PAIR OF STATOR POLES DIFFERENTIALLY AND PROVIDE A COMMON FLUX PATH FOR THE FLUX OF THE RESPECTIVE CORES THAT LIMITS THE TOTAL FLUX CARRIED BY THE TWO CORES TO ITS SATURATION LEVEL, MEANS FOR UNIDIRECTIONALLY POLARIZING THE ARMATURE AND THE TWO MAGNETIC CORES AT THE THE FLUX SATURATION LEVEL OF THE ARMATURE, AND MEANS FOR VARYING THE POLARIZATION OF THE RESPECTIVE CORES OF THE STATOR DIFFERENTIALLY TO MOVE THE FLUX SATURATED ARMATURE TOWARD ONE OF THE PAIRS OF STATOR POLES AND AWAY FROM THE OTHER OF THE PAIRS OF STATOR POLES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |