US3103737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for binding coil end turns of a dynamoelectric machine
Assignee: General Electric Co
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Filing: 1961-05-24
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Granted: 1963-09-17
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert M Elsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:25
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/50; H02K3/505; H02K5/00; H02K5/04; H02K5/22; H02K5/225; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS OF MANUFACTURING A MAGNETIC CORE FOR A DYNAMOELECTRIC MACHINE COMPRISING THE STEPS OF POSITIONING COILS IN SLOTS PROVIDED IN A MULTITUDE OF STACKED LAMINATIONS, PLACING A SUPPORT RING AROUND THE END TURNS PROJECTING OUTWARDLY FROM THE CORE, SECURING EACH COIL END TURN TO THE SUPPORT RING BY SHRINKABLE RESIN TREATED TIE CORDS, SUBJECTING THE CORE WITH ITS BOUND COILS TO HEAT, CAUSING SIMULTANEOUS RELAXATION OF THE COILS IN THE SLOTS AND SHRINKAGE OF THE TIE CORDS, DRAWING ALL OF THE END TURNS INTO FIRM ENGAGEMENT WITH THE RING BY THE REDUCTION IN TIE CORD LENGTH RESULTING FROM SHRINKAGE WHICH TAKES PLACE DURING THE APPLICATION OF HEAT, AND CURING THE RESIN IN THE TIE CORDS TO FORM A SUBSTANTIALLY INFLEXIBLE CONNECTION BETWEEN THE END TURNS AND THE RING.
Claim 2
Dependent Claim
129 words
A PROCESS OF MANUFACTURING A MAGNETIC CORE FOR A DYNAMOELECTRIC MACHINE COMPRISING THE STEPS OF POSITIONING COILS IN SLOTS PROVIDED IN A MULTITUDE OF STACKED LAMINATIONS, PLACING A SUPPORT RING AROUND THE END TURNS PROJECTING OUTWARDLY FROM THE CORE, SECURING EACH COIL END TURN TO THE SUPPORT RING BY SHRINKABLE RESIN TREATED TIE CORDS, SUBJECTING THE CORE WITH ITS BOUND COILS TO HEAT, CAUSING SIMULTANEOUS RELAXATION OF THE COILS IN THE SLOTS AND SHRINKAGE OF THE TIE CORDS, DRAWING ALL OF THE END TURNS INTO FIRM ENGAGEMENT WITH THE RING BY THE REDUCTION IN TIE CORD LENGTH RESULTING FROM SHRINKAGE WHICH TAKES PLACE DURING THE APPLICATION OF HEAT, AND CURING THE RESIN IN THE TIE CORDS TO FORM A SUBSTANTIALLY INFLEXIBLE CONNECTION BETWEEN THE END TURNS AND THE RING.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |