US3324322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine having a concentric coil winding
Assignee: Westinghouse Electric Corp
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Filing: 1964-06-18
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Granted: 1967-06-06
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Francis J Johns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:43
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A DYNAMOELECTRIC MACHINE HAVING A STATOR MEMBER WITH A PLURALITY OF SLOTS THEREIN, A POLYPHASE STATOR WINDING DISPOSED IN SAID SLOTS, EACH PHASE OF SAID WINDING COMPRISING A PLURALITY OF COIL GROUPS FORMING MAGNETIC POLES, EACH COIL GROUP CONSISTING OF A PLURALITY OF CONCENTRIC COILS HAVING COIL SIDES ADAPTED TO LIE IN DIFFERENT SLOTS AND ALL OF THE COIL GROUPS BEING SUBSTANTIALLY IDENTICAL, THE COIL GROUPS BEING DISPOSED IN OVERLAPPING RELATION IN THE SLOTS WITH THE COIL GROUPS OF DIFFERENT PHASES FOLLOWING EACH OTHER IN A PREDETERMINED ORDER AROUND THE STATOR, EACH COIL GROUP OVERLYING THE NEXT ADJACENT COIL GROUP IN ONE DIRECTION AROUND THE STATOR SO THAT ALL COIL SIDES OF ANY COIL GROUP LIE ABOVE ANY COIL SIDES OF THE ADJACENT COIL GROUP OR GROUPS IN SAID DIRECTION THAT LIE IN THE SAME SLOT.
Claim 2
Dependent Claim
136 words
A DYNAMOELECTRIC MACHINE HAVING A STATOR MEMBER WITH A PLURALITY OF SLOTS THEREIN, A POLYPHASE STATOR WINDING DISPOSED IN SAID SLOTS, EACH PHASE OF SAID WINDING COMPRISING A PLURALITY OF COIL GROUPS FORMING MAGNETIC POLES, EACH COIL GROUP CONSISTING OF A PLURALITY OF CONCENTRIC COILS HAVING COIL SIDES ADAPTED TO LIE IN DIFFERENT SLOTS AND ALL OF THE COIL GROUPS BEING SUBSTANTIALLY IDENTICAL, THE COIL GROUPS BEING DISPOSED IN OVERLAPPING RELATION IN THE SLOTS WITH THE COIL GROUPS OF DIFFERENT PHASES FOLLOWING EACH OTHER IN A PREDETERMINED ORDER AROUND THE STATOR, EACH COIL GROUP OVERLYING THE NEXT ADJACENT COIL GROUP IN ONE DIRECTION AROUND THE STATOR SO THAT ALL COIL SIDES OF ANY COIL GROUP LIE ABOVE ANY COIL SIDES OF THE ADJACENT COIL GROUP OR GROUPS IN SAID DIRECTION THAT LIE IN THE SAME SLOT.
References Cited (Backward Citations)
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US2795712A
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US2783403A
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |