US3322985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-cooled rotor of electric generator
Assignee: Individual
•
Filing: 1965-05-05
•
Granted: 1967-05-30
•
Expires: 1985-05-05
Abstract
No abstract record available.
Inventors
- 👤 Azbukin Jury Ivanovich
- 👤 Portnov Nikolai Mikhailovich
- 👤 Avrukh Vladimir Jurievich
- 👤 Kozorezov Vladimir Dmitrievich
- 👤 Mitelman Mikhail Isaakovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A ROTOR OF A DYNAMOELECTRIC MACHINE COMPRISING A ROTOR CORE WITH SLOTS DISTRIBUTED ALONG ITS CIRCUMFERENCE; A PLURALITY OF WINDINGS ARRANGED IN SAID SLOTS AND HAVING END TURNS EXTENDING AXIALLY BEYOND THE SLOTS; AND INSULATING CLEATS AND SPACERS BETWEEN SAID END TURNS OF ADJACENT WINDINGS, SAID WINDINGS, CLEATS AND SPACERS DEFINING INTERCOMMUNICATING GROOVES WHICH PROVIDE A SPIRAL SYSTEM OF VENTILATION PASSAGES FOR CIRCULATION OF THE COOLING GAS AROND THE END TURNS OF SAID WINDINGS.
Claim 2
Dependent Claim
74 words
A ROTOR OF A DYNAMOELECTRIC MACHINE COMPRISING A ROTOR CORE WITH SLOTS DISTRIBUTED ALONG ITS CIRCUMFERENCE; A PLURALITY OF WINDINGS ARRANGED IN SAID SLOTS AND HAVING END TURNS EXTENDING AXIALLY BEYOND THE SLOTS; AND INSULATING CLEATS AND SPACERS BETWEEN SAID END TURNS OF ADJACENT WINDINGS, SAID WINDINGS, CLEATS AND SPACERS DEFINING INTERCOMMUNICATING GROOVES WHICH PROVIDE A SPIRAL SYSTEM OF VENTILATION PASSAGES FOR CIRCULATION OF THE COOLING GAS AROND THE END TURNS OF SAID WINDINGS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |