Patent US3107304A successfully refreshed from Google Patents.
US3107304A
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Plural motor drive with motor field control for a vehicle
Assignee: Umicore NV SA
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Filing: 1960-11-21
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Granted: 1963-10-15
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Roger Fagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:59
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L50/11; H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/34; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/7072
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
IN A WHEELED VEHICLE, AN ELECTRIC GENERATOR HAVING AN ARMATURE; AN INTERNAL COMBUSTION ENGINE DRIVINGLY CONNECTED TO SAID GENERATOR AND ELECTRIC MOTORS HAVING BODIES FIXED IN THE VEHICLE WHEELS; SAID BODIES BEING CONNECTED ONE WITH THE OTHER IN ELECTRICAL CONDUCTIVE MANNER; EACH MOTOR HAVING AN ARMATURE, AN INDEPENDENT FIELD WINDING AND A SERIES FIELD WINDING; ONE SIDE OF THE ARMATURE OF EACH MOTOR BEING CONNECTED TO SAID GENERATOR; THE OTHER SIDE OF THE ARMATURE OF EACH MOTOR BEING CONNECTED TO BOTH A NORMALLY OPEN CONTACT OF A CONTACTOR AND TO ONE SIDE OF ITS SERIES WINDING; THE OTHER SIDE OF THE SERIES WINDING OF EACH MOTOR BEING CONNECTED TO ITS BODY; SAID CONTACTOR BEING ARRANGED TO SHORT-CIRCUIT SAID SERIES WINDINGS OF SAID MOTORS WHEN IT IS CLOSED.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |