US3333131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutating pole assembly for a dynamoelectric machine
Assignee: Westinghouse Electric Corp
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Filing: 1964-12-01
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Granted: 1967-07-25
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Expires: 1984-12-01
Abstract
No abstract record available.
Inventors
- 👤 Bush Joseph
- 👤 Sr Albert W Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:38
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/52; H02K3/521; H02K3/522; H02K2203/00; H02K2203/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A DYNAMOELECTRIC MACHINE, A COMMUTATING POLE ASSEMBLY COMPRISING A POLE PIECE HAVING A BODY PORTION AND A STRAP COIL HAVING A PREDETERMINED NUMBER OF TURNS SPREAD ALONG A SUBSTANTIAL PORTION OF THE RADIAL DEPTH OF SAID POLE BODY AND ELECTRICALLY INSULATED THEREFROM, MEANS RETAINING SAID COIL AGAINST UNITARY MOVEMENT RELATIVE TO SAID POLE PIECE AND RETAINING SAID COIL TURNS AGAINST COIL EXPANSION, A PLURALITY OF SPACERS INDIVIDUALLY INTERPOSED BETWEEN SUCCESSIVE COIL TURNS TO PREVENT COILING COMPRESSION OF SAID COIL TURNS, AND A PLURALITY OF HOLES IN EACH OF SAID TURNS, EACH OF SAID SPACERS HAVING AT LEAST ONE PROJECTION MATING WITH AT LEAST ONE ASSOCIATED TURN HOLE SO AS TO BE HELD IN ITS INTERTURN POSITION.
Claim 2
Dependent Claim
117 words
IN A DYNAMOELECTRIC MACHINE, A COMMUTATING POLE ASSEMBLY COMPRISING A POLE PIECE HAVING A BODY PORTION AND A STRAP COIL HAVING A PREDETERMINED NUMBER OF TURNS SPREAD ALONG A SUBSTANTIAL PORTION OF THE RADIAL DEPTH OF SAID POLE BODY AND ELECTRICALLY INSULATED THEREFROM, MEANS RETAINING SAID COIL AGAINST UNITARY MOVEMENT RELATIVE TO SAID POLE PIECE AND RETAINING SAID COIL TURNS AGAINST COIL EXPANSION, A PLURALITY OF SPACERS INDIVIDUALLY INTERPOSED BETWEEN SUCCESSIVE COIL TURNS TO PREVENT COILING COMPRESSION OF SAID COIL TURNS, AND A PLURALITY OF HOLES IN EACH OF SAID TURNS, EACH OF SAID SPACERS HAVING AT LEAST ONE PROJECTION MATING WITH AT LEAST ONE ASSOCIATED TURN HOLE SO AS TO BE HELD IN ITS INTERTURN POSITION.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |