US3109947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system for dynamoelectric machines
Assignee: General Electric Co
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Filing: 1959-06-26
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Granted: 1963-11-05
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Expires: 1979-06-26
Abstract
No abstract record available.
Inventors
- 👤 Paige W Thompson
- 👤 Joseph E Baclawski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:32
CPC Classifications
H; H02; H02K; H02K9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
FOR USE IN A DYNAMOELECTRIC MACHINE, A STATOR CORE MEMBER HAVING A BORE, A PLURALITY OF WINDINGS ARRANGED ON SAID CORE MEMBER WITH END TURN PORTIONS EXTENDING BEYOND EACH SIDE FACE OF SAID MEMBER, HEAT DISSIPATING MEANS PROVIDED ADJACENT AT LEAST ONE SIDE FACE OF SAID CORE MEMBER, SAID HEAT DISSIPATING MEANS INCLUDING A SUBSTANTIALLY ANNULAR, SHEET-LIKE SURFACE OF GREATER DIAMETER THAN SAID BORE DISPOSED IN INTIMATE HEAT TRANSFER RELATION WITH AT LEAST ONE OF SAID END TURN PORTIONS AND A TUBE FOR CARRYING COOLING FLUID THERETHROUGH BEING ATTACHED TO SAID
Claim 2
Dependent Claim
91 words
FOR USE IN A DYNAMOELECTRIC MACHINE, A STATOR CORE MEMBER HAVING A BORE, A PLURALITY OF WINDINGS ARRANGED ON SAID CORE MEMBER WITH END TURN PORTIONS EXTENDING BEYOND EACH SIDE FACE OF SAID MEMBER, HEAT DISSIPATING MEANS PROVIDED ADJACENT AT LEAST ONE SIDE FACE OF SAID CORE MEMBER, SAID HEAT DISSIPATING MEANS INCLUDING A SUBSTANTIALLY ANNULAR, SHEET-LIKE SURFACE OF GREATER DIAMETER THAN SAID BORE DISPOSED IN INTIMATE HEAT TRANSFER RELATION WITH AT LEAST ONE OF SAID END TURN PORTIONS AND A TUBE FOR CARRYING COOLING FLUID THERETHROUGH BEING ATTACHED TO SAID
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |