Patent US3113231A successfully refreshed from Google Patents.
US3113231A
Expired / Lapsed
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Hysteresis type synchronous motor
Assignee: Consolidated Electronics Industries Corp
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Filing: 1961-07-10
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Granted: 1963-12-03
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Haydon
- 👤 Richard J Kavanaugh
- 👤 Rodney W Reder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
AN HYSTERESIS TYPE SYCHRONOUS MOTOR COMPRISING A CIRCULAR FIELD RING HAVING AT ONE END A PREDETERMINED PLURALITY OF POLE ELEMENTS IN CYLINDRICAL ARRAY ABOUT A FIRST DIAMETER AND DEFINING PREDETERMINED SPACES THEREBETWEEN, FIRST AND SECOND POLE PIECES EACH HAVING SAID PREDETERMINED PLURALITY OF POLE ELEMENTS ARRANGED IN CYLINDRICAL ARRAY ABOUT A SECOND DIAMETER AND FORMING WITH THE POLE ELEMENTS OF SAID FIELD RING A CYLINDRICAL AIR GAP, ADJACENT PAIRS OF THE POLE ELEMENTS OF SAID POLE PIECES BEING IN LATERALLY BUTTED RELATION AND BEING DISPOSED SUBSTANTIALLY SYMMETRICALLY OPPOSITE THE SPACES BETWEEN SAID FIELD RING POLE ELEMENTS AND IN NON-OVERLAPPING RELATION TO SAID FIELD RING POLE ELEMENTS, THE POLE ELEMENTS OF ONE OF SAID POLE PIECES BEING SHADED, AND A CYLINDRICAL ROTOR ELEMENT MOUNTED FOR ROTATION IN SAID CYLINDRICAL AIR GAP.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |