Patent US3254246A successfully refreshed from Google Patents.
US3254246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machines
Assignee: Westinghouse Electric Corp
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Filing: 1964-06-22
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Granted: 1966-05-31
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Harold M Philofsky
- 👤 Charles R Ruffing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:59
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A DYNAMOELECTRIC MACHINE HAVING AN ANNULAR STATOR CORE WITH A PLURALITY OF LONGITUDINAL SLOTS THEREIN, A PLURALITY OF STATOR WINDING MEMBERS DISPOSED IN SAID SLOTS, EACH OF SAID WINDING MEMBERS INCLUDING WINDING CONDUCTORS AND A PLURALITY OF DUCT MEMBERS DISPOSED IN GOOD THERMAL RELATION WITH THE WINDING CONDUCTORS AND INSULATED FROM THE WINDING CONDUCTORS AND EACH OTHER WITHIN THE SLOT, COOLANT SUPPLY FOR CIRCULATING A COOLANT FLUID THROUGH SAID DUCT MEMBERS, A METAL HEADER MEMBER AT EACH END OF EACH WINDING NUMBER, EACH OF SAID HEADER MEMBERS BEING CONNECTED TO THE COOLANT SUPPLY MEANS, THE DUCT MEMBERS AT EACH END OF EACH WINDING MEMBER BEING SPACED APART AND INDIVIDUALLY JOINED TO THE HEADER MEMBER WITH ELECTRICALLY INSULATING, FLUID-TIGHT JOINTS, AND INDEPENDENT MEANS FOR EFFECTING ELECTRICAL CONDITION BETWEEN THE WINDING CONDUCTORS OF DIFFERENT WINDING MEMBERS.
Claim 2
Dependent Claim
135 words
IN A DYNAMOELECTRIC MACHINE HAVING AN ANNULAR STATOR CORE WITH A PLURALITY OF LONGITUDINAL SLOTS THEREIN, A PLURALITY OF STATOR WINDING MEMBERS DISPOSED IN SAID SLOTS, EACH OF SAID WINDING MEMBERS INCLUDING WINDING CONDUCTORS AND A PLURALITY OF DUCT MEMBERS DISPOSED IN GOOD THERMAL RELATION WITH THE WINDING CONDUCTORS AND INSULATED FROM THE WINDING CONDUCTORS AND EACH OTHER WITHIN THE SLOT, COOLANT SUPPLY FOR CIRCULATING A COOLANT FLUID THROUGH SAID DUCT MEMBERS, A METAL HEADER MEMBER AT EACH END OF EACH WINDING NUMBER, EACH OF SAID HEADER MEMBERS BEING CONNECTED TO THE COOLANT SUPPLY MEANS, THE DUCT MEMBERS AT EACH END OF EACH WINDING MEMBER BEING SPACED APART AND INDIVIDUALLY JOINED TO THE HEADER MEMBER WITH ELECTRICALLY INSULATING, FLUID-TIGHT JOINTS, AND INDEPENDENT MEANS FOR EFFECTING ELECTRICAL CONDITION BETWEEN THE WINDING CONDUCTORS OF DIFFERENT WINDING MEMBERS.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |