US3713015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current generator having a twin pm rotor which is adjustable in response to output voltage
Assignee: Robert Bosch GmbH
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Filing: 1972-02-04
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Granted: 1973-01-23
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Expires: 1992-02-04
Abstract
Abstract AN ALTERNATING CURRENT GENERATOR HAS A STATOR HAVING AN OUTPUT WINDING FOR PRODUCING AN OUTPUT VOLTAGE. A FIRST PERMANENT MAGNET ROTOR IS MOUNTED ON THE SHAFT OF THE GENERATOR FOR ROTATION THEREWITH. A SECOND PERMANENT MAGNET ROTOR IS MOUNTED COAXIALLY WITH THE FIRST PERMANENT MAGNET ROTOR ON THE SHAFT, THE SECOND ROTOR BEING ANGULARLY ADJUSTABLE WITH RESPECT TO THE SHAFT ABOUT THE COMMON AXIS. CONTROL MEANS ADJUST THE ANGULAR POSITION OF THE SECOND ROTOR, RELATIVE TO THE FRONT ROTOR IN RESPONSE TO CHANGES OF THE OUTPUT VOLTAGE.
Inventors
- 👤 M Frister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:09
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/02; H02K21/021; H02K21/028; H02K21/029; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/2726; H02K16/00; H02K16/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |