US3092741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machinery
Assignee: CA Parsons and Co Ltd
•
Filing: 1957-07-05
•
Granted: 1963-06-04
•
Expires: 1977-07-05
Abstract
No abstract record available.
Inventors
- 👤 William D Horsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:45
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A STATIONARY WINDING OF A DYNAMOELECTRIC MACHINE, WHICH WINDING COMPRISES CONDUCTORS HOUSED IN SLOTS IN A STATOR CORE, END PORTIONS OF THE CONDUCTORS EXTENDING BEYOND SAID CORE AT EACH END THEREOF, SAID END PORTIONS OF THE CONDUCTORS BEING HOUSED IN A PLURALITY OF BOXES OF ELECTRICAL INSULATING MATERIAL, A COOLING FLUID BEING SUPPLIED TO THE BOXES AT ONE END OF THE CONDUCTORS AND COLLECTED IN BOXES SITUATED AT THE OTHER END OF THE CONDUCTORS, AND SEALING MEANS ARE PROVIDED FOR EACH CONDUCTOR AT THE PLACE WHERE IT ENTERS THE SAID BOXES THE SEALING MEANS COMPRISING MEANS FOR SUPPLYING A PRESSURISED FLUID TO ANNULAR SPACES BETWEEN SAID CONDUCTOR AND THE WALLS OF THE BOX, THE PRESSURE OF THE SAID FLUID BEING GREATER THAN THAT OF THE COOLING FLUID.
Claim 2
Dependent Claim
127 words
A STATIONARY WINDING OF A DYNAMOELECTRIC MACHINE, WHICH WINDING COMPRISES CONDUCTORS HOUSED IN SLOTS IN A STATOR CORE, END PORTIONS OF THE CONDUCTORS EXTENDING BEYOND SAID CORE AT EACH END THEREOF, SAID END PORTIONS OF THE CONDUCTORS BEING HOUSED IN A PLURALITY OF BOXES OF ELECTRICAL INSULATING MATERIAL, A COOLING FLUID BEING SUPPLIED TO THE BOXES AT ONE END OF THE CONDUCTORS AND COLLECTED IN BOXES SITUATED AT THE OTHER END OF THE CONDUCTORS, AND SEALING MEANS ARE PROVIDED FOR EACH CONDUCTOR AT THE PLACE WHERE IT ENTERS THE SAID BOXES THE SEALING MEANS COMPRISING MEANS FOR SUPPLYING A PRESSURISED FLUID TO ANNULAR SPACES BETWEEN SAID CONDUCTOR AND THE WALLS OF THE BOX, THE PRESSURE OF THE SAID FLUID BEING GREATER THAN THAT OF THE COOLING FLUID.
References Cited (Backward Citations)
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US1499411A
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GB557216A
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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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |