US3210584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronous induction machine
Assignee: Louis Allis Co
•
Filing: 1961-04-20
•
Granted: 1965-10-05
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Expires: 1981-04-20
Abstract
No abstract record available.
Inventors
- 👤 Michael V Jorgensen
- 👤 Bruce E Albertson
- 👤 Edward J Michaels
- 👤 George E Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A ROTOR ADAPTED FOR USE IN A SYNCHRONOUS INDUCTION MACHINE COMPRISING A PLURALITY OF STACKED LAMINATIONS, A SQUIRREL CAGE ROTOR WINDING EMBODIED IN SAID STACKED LAMINATIONS, A PLURALITY OF POLE DEFINING FLUX BARRIERS FORMED IN SAID STACKED LAMINATIONS, AND MEANS FOR DIVERTING 5 TO 15% OF THE MOTOR FLUX COMPRISING A NUMBER OF LAMINATIONS ROTATED OUT OF ALIGNMENT INTERLEAVED AT INTERVALS IN SAID PLURALITY OF STACKED LAMINATIONS TO PROVIDE A SPEED STABILIZING CROSS-POLAR FLUX.
References Cited (Backward Citations)
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US2769108A
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US2913607A
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US2975310A
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US2989655A
Cited
US3045135A
Cited
US3047755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |