US3110827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine
Assignee: Westinghouse Electric Corp
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Filing: 1960-08-12
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Granted: 1963-11-12
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Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Rene A Baudry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:28
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24; H02K3/22; H02K9/00; H02K2201/00; H02K2201/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A DYNAMOELECTRIC MACHINE HAVING A STATOR MEMBER AND A ROTOR MEMBER WITH AN ANNULAR AIR GAP THEREBETWEEN, A SUBSTANTIALLY GAS-TIGHT HOUSING ENCLOSING THE STATOR AND ROTOR MEMBERS AND CONTAINING A COOLANT GAS, THE ROTOR MEMBER HAVING CONDUCTORS EXTENDING LONGITUDINALLY THEREOF AND HAVING LONGITUDINAL DUCT MEANS FOR CIRCULATION OF GAS IN GOOD THERMAL RELATION TO THE CONDUCTORS, MEANS FOR DIVIDING SAID AIR GAP TRANSVERSELY INTO A PLURALITY OF ANNULAR ZONES, MEANS FOR MAINTAINING A HIGHER PRESSURE OF COOLANT GAS IN ALTERNATE ONES OF SAID ZONES THAN IN THE REMAINING ZONES, AND GENERALLY RADIAL GAS PASSAGES IN THE ROTOR MEMBER DISPOSED WITHIN EACH ZONE OF THE AIR GAP AND COMMUNICATING WITH SAID LONGITUDINAL DUCT MEANS.
Claim 2
Dependent Claim
113 words
A DYNAMOELECTRIC MACHINE HAVING A STATOR MEMBER AND A ROTOR MEMBER WITH AN ANNULAR AIR GAP THEREBETWEEN, A SUBSTANTIALLY GAS-TIGHT HOUSING ENCLOSING THE STATOR AND ROTOR MEMBERS AND CONTAINING A COOLANT GAS, THE ROTOR MEMBER HAVING CONDUCTORS EXTENDING LONGITUDINALLY THEREOF AND HAVING LONGITUDINAL DUCT MEANS FOR CIRCULATION OF GAS IN GOOD THERMAL RELATION TO THE CONDUCTORS, MEANS FOR DIVIDING SAID AIR GAP TRANSVERSELY INTO A PLURALITY OF ANNULAR ZONES, MEANS FOR MAINTAINING A HIGHER PRESSURE OF COOLANT GAS IN ALTERNATE ONES OF SAID ZONES THAN IN THE REMAINING ZONES, AND GENERALLY RADIAL GAS PASSAGES IN THE ROTOR MEMBER DISPOSED WITHIN EACH ZONE OF THE AIR GAP AND COMMUNICATING WITH SAID LONGITUDINAL DUCT MEANS.
References Cited (Backward Citations)
DE612236C
Cited
US2695368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |