US3119033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machines
Assignee: CA Parsons and Co Ltd
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Filing: 1961-11-07
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Granted: 1964-01-21
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Expires: 1981-11-07
Abstract
No abstract record available.
Inventors
- 👤 Horsley William Douglass
- 👤 Richardson Philip
- 👤 Elliott Joseph Merelie
- 👤 Henderson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:50
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DYNAMO-ELECTRIC MACHINE HAVING A DIRECT COOLED WINDING WHICH WINDING COMPRISES ELECTRICAL CONDUCTORS EXTENDING IN THE DIRECTION OF THE AXIS OF ROTATION OF THE MACHINE AND SUPPORTED IN STACKED RELATION TO ONE ANOTHER IN A SERIES OF RADIAL PLANES EMANATING FROM SAID AXIS OF ROTATION, DUCTS PASSING IN THE RADIAL DIRECTION THROUGH CONDUCTORS OF EACH STACK TO PERMIT THE PASSAGE OF COOLING FLUID THROUGH THE STACK IN A RADIAL DIRECTION, SAID DUCTS BEING DISPOSED AT INTERVALS ALONG THE STACKS IN THE DIRECTION OF THE SAID AXIS OF ROTATION EACH DUCT BEING FORMED BY A SERIES OF SEPARATE CONNECTED HOLES WHICH ARE IN STAGGERED RELATIONSHIP WITH RESPECT TO ONE ANOTHER AND ARE DISPOSED ON EITHER SIDE OF A RADIAL PLANE PASSING THROUGH THE STACK WITH WHICH THEY ARE ASSOCIATED.
Claim 2
Dependent Claim
128 words
A DYNAMO-ELECTRIC MACHINE HAVING A DIRECT COOLED WINDING WHICH WINDING COMPRISES ELECTRICAL CONDUCTORS EXTENDING IN THE DIRECTION OF THE AXIS OF ROTATION OF THE MACHINE AND SUPPORTED IN STACKED RELATION TO ONE ANOTHER IN A SERIES OF RADIAL PLANES EMANATING FROM SAID AXIS OF ROTATION, DUCTS PASSING IN THE RADIAL DIRECTION THROUGH CONDUCTORS OF EACH STACK TO PERMIT THE PASSAGE OF COOLING FLUID THROUGH THE STACK IN A RADIAL DIRECTION, SAID DUCTS BEING DISPOSED AT INTERVALS ALONG THE STACKS IN THE DIRECTION OF THE SAID AXIS OF ROTATION EACH DUCT BEING FORMED BY A SERIES OF SEPARATE CONNECTED HOLES WHICH ARE IN STAGGERED RELATIONSHIP WITH RESPECT TO ONE ANOTHER AND ARE DISPOSED ON EITHER SIDE OF A RADIAL PLANE PASSING THROUGH THE STACK WITH WHICH THEY ARE ASSOCIATED.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |