US3353028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbogenerators, including a magnetic coupling between the dynamo rotor and the turbine runner
Assignee: English Electric Co Ltd
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Filing: 1964-11-02
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Granted: 1967-11-14
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Braikevitch Michael
- 👤 Metcalf Edward Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:53
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/11; F; F03; F03B; F03B13/00; F03B13/08; F03B13/083; H02K7/14; H02K7/18; H02K7/1807; H02K7/1823; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S415/00; Y10S415/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A WATER TURBINE COMPRISING A WATER FLOW TUBE, A BLADED RUNNER ROTATABLY MOUNTED IN SAID WATER FLOW TUBE, A MAGNETIC RING MOUNTED ON, AND EXTENDING AROUND, THE OUTER PERIPHERY OF THE BLADED RUNNER, AN ELECTRIC GENERATOR HAVING A ROTOR, A STATOR, AND MEANS FOR MAGNETICALLY COUPLING THE ROTOR TO SAID RING, AND A NON-MAGNETIC WALL FORMING A PORTION OF THE WALL OF THE WATER FLOW TUBE INTERPOSED BETWEEN THE ROTOR AND THE RING AND SEALING THE STATOR FROM WATER IN THE WATER FLOW TUBE.
Claim 2
Dependent Claim
84 words
A WATER TURBINE COMPRISING A WATER FLOW TUBE, A BLADED RUNNER ROTATABLY MOUNTED IN SAID WATER FLOW TUBE, A MAGNETIC RING MOUNTED ON, AND EXTENDING AROUND, THE OUTER PERIPHERY OF THE BLADED RUNNER, AN ELECTRIC GENERATOR HAVING A ROTOR, A STATOR, AND MEANS FOR MAGNETICALLY COUPLING THE ROTOR TO SAID RING, AND A NON-MAGNETIC WALL FORMING A PORTION OF THE WALL OF THE WATER FLOW TUBE INTERPOSED BETWEEN THE ROTOR AND THE RING AND SEALING THE STATOR FROM WATER IN THE WATER FLOW TUBE.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |