US3126493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet motor
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:34
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/274; H02K1/2753; H02K1/276; H02K1/2766; H02K1/278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SYNCHRONOUS INDUCTION MOTOR COMPRISING A STATOR, SAID STATOR HAVING WINDINGS DISPOSED THEREIN TO PROVIDE A ROTATING SET OF MAGNETIC FIELD POLES, A ROTOR MOUNTED FOR ROTATION WITHIN SAID STATOR, SAID ROTOR COMPRISING A MAGNETIC CORE, FLUX BARRIERS POSITIONED IN SAID CORE AND BEING ARCUATELY SPACED IN SAID CORE TO OPPOSE SOME OF THE FLUX INDUCED IN THE ROTOR BY SAID STATOR WINDINGS, AND FORM BY CONSEQUENCE, MAGNETIC SALIENT POLES IN SAID CORE, AND PERMANENT MAGNETS IN SAID CORE ORIENTATED TO OPPOSE QUADRATURE AXIS FLUX IN SAID ROTOR.
Claim 2
Dependent Claim
88 words
A SYNCHRONOUS INDUCTION MOTOR COMPRISING A STATOR, SAID STATOR HAVING WINDINGS DISPOSED THEREIN TO PROVIDE A ROTATING SET OF MAGNETIC FIELD POLES, A ROTOR MOUNTED FOR ROTATION WITHIN SAID STATOR, SAID ROTOR COMPRISING A MAGNETIC CORE, FLUX BARRIERS POSITIONED IN SAID CORE AND BEING ARCUATELY SPACED IN SAID CORE TO OPPOSE SOME OF THE FLUX INDUCED IN THE ROTOR BY SAID STATOR WINDINGS, AND FORM BY CONSEQUENCE, MAGNETIC SALIENT POLES IN SAID CORE, AND PERMANENT MAGNETS IN SAID CORE ORIENTATED TO OPPOSE QUADRATURE AXIS FLUX IN SAID ROTOR.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |