Patent US3243616A successfully refreshed from Google Patents.
US3243616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machines
Assignee: Associated Electrical Industries Ltd
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Filing: 1963-07-22
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Granted: 1966-03-29
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Tudge Joseph
- 👤 Csillag Istvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:30
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/12; H02K3/14; H02K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN AN ELECTRICAL TURBO ALTERNATOR, A ROTOR, A HOLLOW SHAFT, A FLANGED END TO SAID SHAFT SECURED AXIALLY TO SAID ROTOR SO AS TO SUPPORT IT, CONDUCTORS FORMING A ROTOR WINDING, SURFACES DEFINING LONGITUDINAL PASSAGES THROUGH SAID CONDUCTORS, MEANS FOR PASSING COOLING FLUID THROUGH SAID CONDUCTORS INCLUDING DUCTING EXTENDING LONGITUDINALLY THROUGH THE INTERIOR OF SAID SHAFT, A TRANSVERSE PLATE WITHIN THE FLANGED END OF SAID SHAFT SECURED TO THE ROTOR END AND ELECTRICALLY INSULATED THEREFROM AND SUPPORTING THE DUCTING AND FLUID CONNECTIONS THROUGH SAID PLATE BETWEEN SAID SHAFT DUCTING AND THE CONDUCTOR PASSAGEWAYS.
Claim 2
Dependent Claim
93 words
IN AN ELECTRICAL TURBO ALTERNATOR, A ROTOR, A HOLLOW SHAFT, A FLANGED END TO SAID SHAFT SECURED AXIALLY TO SAID ROTOR SO AS TO SUPPORT IT, CONDUCTORS FORMING A ROTOR WINDING, SURFACES DEFINING LONGITUDINAL PASSAGES THROUGH SAID CONDUCTORS, MEANS FOR PASSING COOLING FLUID THROUGH SAID CONDUCTORS INCLUDING DUCTING EXTENDING LONGITUDINALLY THROUGH THE INTERIOR OF SAID SHAFT, A TRANSVERSE PLATE WITHIN THE FLANGED END OF SAID SHAFT SECURED TO THE ROTOR END AND ELECTRICALLY INSULATED THEREFROM AND SUPPORTING THE DUCTING AND FLUID CONNECTIONS THROUGH SAID PLATE BETWEEN SAID SHAFT DUCTING AND THE CONDUCTOR PASSAGEWAYS.
References Cited (Backward Citations)
US3046424A
Cited
US3131321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |