US3283190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine
Assignee: Individual
•
Filing: 1965-10-18
•
Granted: 1966-11-01
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Robert B Applegate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:36
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A BRUSHLESS DYNAMOELECTRIC MACHINE COMPRISING A STATOR ASSEMBLY HAVING AN ANNULAR SERIES OF STATOR POLE PIECES WITH WINDINGS THEREAROUND, A ROTOR ASSEMBLY JOURNALED IN SAID STATOR ASSEMBLY, SAID ROTOR ASSEMBLY COMPRISING A PAIR OF INNER AND OUTER CONCENTRIC RINGS LYING IN A COMMON PLANE, SAID INNER RING HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED, RADIALLY OUTWARDLY EXTENDING EXICTATION POLE SEGMENTS, SAID OUTER RING HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIALLY INWARDLY EXTENDING EXCITATION POLE SEGMENTS DISPOSED BETWEEN SAID OUTWARDLY EXTENDING POLE SEGMENTS WITH SPACES BETWEEN AND INWARDLY AND OUTWARDLY EXTENDING POLE SEGMENTS, SAID POLE SEGMENTS PROVIDING ALTERNATE NORTH AND SOUTH EXCITATION POLES ARRANGED ANNULARLY IN A PLANE WHICH IS AXIALLY OPPOSITE AND CLOSELY SPACED ADJACENT ONE END OF SAID STATOR POLE PIECES TO FORM AIR GAPS THEREBETWEEN, MAGNETIC MEANS IN SAID STATOR ASSEMBLY FOR EXCITING SAID ALTERNATE NORTH AND SOURTH EXCITATION POLES, AND MEANS FOR COMPLETING THE FLUX PATH FOR FULL FLUX REVERSALS BETWEEN SAID NORTH AND SOUTH EXCITATION POLES AND SAID STATOR POLE PIECES.
Claim 2
Dependent Claim
164 words
A BRUSHLESS DYNAMOELECTRIC MACHINE COMPRISING A STATOR ASSEMBLY HAVING AN ANNULAR SERIES OF STATOR POLE PIECES WITH WINDINGS THEREAROUND, A ROTOR ASSEMBLY JOURNALED IN SAID STATOR ASSEMBLY, SAID ROTOR ASSEMBLY COMPRISING A PAIR OF INNER AND OUTER CONCENTRIC RINGS LYING IN A COMMON PLANE, SAID INNER RING HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED, RADIALLY OUTWARDLY EXTENDING EXICTATION POLE SEGMENTS, SAID OUTER RING HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIALLY INWARDLY EXTENDING EXCITATION POLE SEGMENTS DISPOSED BETWEEN SAID OUTWARDLY EXTENDING POLE SEGMENTS WITH SPACES BETWEEN AND INWARDLY AND OUTWARDLY EXTENDING POLE SEGMENTS, SAID POLE SEGMENTS PROVIDING ALTERNATE NORTH AND SOUTH EXCITATION POLES ARRANGED ANNULARLY IN A PLANE WHICH IS AXIALLY OPPOSITE AND CLOSELY SPACED ADJACENT ONE END OF SAID STATOR POLE PIECES TO FORM AIR GAPS THEREBETWEEN, MAGNETIC MEANS IN SAID STATOR ASSEMBLY FOR EXCITING SAID ALTERNATE NORTH AND SOURTH EXCITATION POLES, AND MEANS FOR COMPLETING THE FLUX PATH FOR FULL FLUX REVERSALS BETWEEN SAID NORTH AND SOUTH EXCITATION POLES AND SAID STATOR POLE PIECES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |