Patent US3340413A successfully refreshed from Google Patents.
US3340413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction motor power supply unit
Assignee: Motors Liquidation Co
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Filing: 1964-11-04
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Granted: 1967-09-05
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Drabik Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:18
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/60; H10W40/611; B; B60; B60L; B60L50/00; B60L50/10; B60L50/12; H10W90/00; B60L2200/00; B60L2200/26; H10W40/20; H10W40/231; H10W40/235; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN COMBINATION, A DYNAMOELECTRIC MACHINE HAVING AN END FRAME, FIRST AND SECOND INSULATOR PLATES SECURED TO SAID END FRAME AND EXTENDING AXIALLY THEREFROM, FIRST AND SECOND METAL HEAT SINKS DISPOSED BETWEEN SAID INSULATOR PLATES AND SUPPORTED BY SAID INSULATOR PLATES, A THIRD INSULATOR PLATE LOCATED BETWEEN SAID METAL HEAT SINKS FOR INSULATING SAID METAL HEAT SINKS FROM EACH OTHER, A PLURALITY OF DIODES SUPPORTED BY EACH METAL HEAT SINK OF OPPOSITE CONDUCTIVITY TYPE, AND AN ELECTRICAL CONDUCTOR CONNECTED WITH A PHASE LEAD OF SAID DYNAMOELECTRIC MACHINE CONNECTED WITH A PAIR OF DIODES OF OPPOSITE CONDUCTIVITY TYPE.
Claim 2
Dependent Claim
96 words
IN COMBINATION, A DYNAMOELECTRIC MACHINE HAVING AN END FRAME, FIRST AND SECOND INSULATOR PLATES SECURED TO SAID END FRAME AND EXTENDING AXIALLY THEREFROM, FIRST AND SECOND METAL HEAT SINKS DISPOSED BETWEEN SAID INSULATOR PLATES AND SUPPORTED BY SAID INSULATOR PLATES, A THIRD INSULATOR PLATE LOCATED BETWEEN SAID METAL HEAT SINKS FOR INSULATING SAID METAL HEAT SINKS FROM EACH OTHER, A PLURALITY OF DIODES SUPPORTED BY EACH METAL HEAT SINK OF OPPOSITE CONDUCTIVITY TYPE, AND AN ELECTRICAL CONDUCTOR CONNECTED WITH A PHASE LEAD OF SAID DYNAMOELECTRIC MACHINE CONNECTED WITH A PAIR OF DIODES OF OPPOSITE CONDUCTIVITY TYPE.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |