Patent US5552689A successfully refreshed from Google Patents.
Patent US3327802A successfully refreshed from Google Patents.
US3327802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission servo-control systems for motor vehicles
Assignee: Renault SA
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Filing: 1964-06-05
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Granted: 1967-06-27
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:00
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/12; H02K21/125; B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; B60W; B60W10/00; B60W10/02; B60W10/10; B60W30/00; B60W30/18; B60W30/188; F; F16; F16H; F16H59/00; F16H59/36; H02K21/02; H02K21/021; H02K21/022; H02K21/023; H02K21/024; B60W2510/00; B60W2510/06; B60W2510/0638; B60W2540/00; B60W2540/10; F16H59/14; F16H59/18; F16H61/00; F16H61/02; F16H61/0202; F16H61/0204; F16H61/0206; F16H61/0211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
A SERVO SYSTEM FOR CONTROLLING THE TRANSMISSION OF A MOTOR VEHICLE THROUGH AN ALTERNATOR, WHEREIN SAID ALTERNATOR COMPRISES A PERMANENT MAGNET TYPE ROTOR HAVING MULTIPLE PERIPHERAL POLES, A WOUND STATOR AXIALLY SLIDABLE RELATIVE TO SAID ROTOR WHEREBY THE MAGNETIC FLUX OF THE ROTOR TO WHICH SAID STATOR IS SUBJECTED VARIES AS A FUNCTION OF THE RELATIVE POSITION OF SAID ROTOR TO SAID STATOR, MEANS OPERATIVELY CONNECTING A ROTATING SHAFT OF THE VEHICLE TO SAID ROTOR, SAID MEANS PERMITTING SOME DEGREE OF MISALIGNMENT WHILE AT THE SAME TIME AVOIDING VIBRATION DUE TO MAGNETIC SNATCH DURING ROTION,MEANS CONNECTING AN ACCLERATOR PEDAL OF SAID VEHICLE TO SAID STATOR, SAID STATOR BEING MOVED RELATIVE TO SAID ROTOR SO THAT VOLTAGE DELIVERED BY SAID ALTERNATOR VARIES AS A FUNCTION OF THE SPEED OF SAID VEHICLE SHAFT AND OF THE POSITION OF SAID ACCELERATOR PEDAL, SAID STATOR HAVING A MAGNETIC CIRCUIT COMPRISING TWO SETS OF LONG STATOR POLES DISPOSED FACING THE ACTIVE PORTIONS OF THE ROTOR MAGNET WITH THEIR LONGITUDINAL AXES PARALLEL TO THE AXIS AND ARRANGED CIRCULARLY THEREABOUT, AND TWO FLANGES EACH SUPPORTING A SET OF SAID STATOR POLES, THE STATOR POLES OF ONE SET ENGAGING BETWEEN THOSE OF THE OTHER SET, AND VICE VERSA, WITH A GAP BETWEEN THE POLES OF ONE SET AND THOSE OF THE OTHER SET, AND THE STATOR WINDING BEING AN AXIAL COIL WHICH SURROUNDS THE STATOR POLES BETWEEN SAID TWO FLANGES.
Claim 2
Dependent Claim
232 words
A SERVO SYSTEM FOR CONTROLLING THE TRANSMISSION OF A MOTOR VEHICLE THROUGH AN ALTERNATOR, WHEREIN SAID ALTERNATOR COMPRISES A PERMANENT MAGNET TYPE ROTOR HAVING MULTIPLE PERIPHERAL POLES, A WOUND STATOR AXIALLY SLIDABLE RELATIVE TO SAID ROTOR WHEREBY THE MAGNETIC FLUX OF THE ROTOR TO WHICH SAID STATOR IS SUBJECTED VARIES AS A FUNCTION OF THE RELATIVE POSITION OF SAID ROTOR TO SAID STATOR, MEANS OPERATIVELY CONNECTING A ROTATING SHAFT OF THE VEHICLE TO SAID ROTOR, SAID MEANS PERMITTING SOME DEGREE OF MISALIGNMENT WHILE AT THE SAME TIME AVOIDING VIBRATION DUE TO MAGNETIC SNATCH DURING ROTION,MEANS CONNECTING AN ACCLERATOR PEDAL OF SAID VEHICLE TO SAID STATOR, SAID STATOR BEING MOVED RELATIVE TO SAID ROTOR SO THAT VOLTAGE DELIVERED BY SAID ALTERNATOR VARIES AS A FUNCTION OF THE SPEED OF SAID VEHICLE SHAFT AND OF THE POSITION OF SAID ACCELERATOR PEDAL, SAID STATOR HAVING A MAGNETIC CIRCUIT COMPRISING TWO SETS OF LONG STATOR POLES DISPOSED FACING THE ACTIVE PORTIONS OF THE ROTOR MAGNET WITH THEIR LONGITUDINAL AXES PARALLEL TO THE AXIS AND ARRANGED CIRCULARLY THEREABOUT, AND TWO FLANGES EACH SUPPORTING A SET OF SAID STATOR POLES, THE STATOR POLES OF ONE SET ENGAGING BETWEEN THOSE OF THE OTHER SET, AND VICE VERSA, WITH A GAP BETWEEN THE POLES OF ONE SET AND THOSE OF THE OTHER SET, AND THE STATOR WINDING BEING AN AXIAL COIL WHICH SURROUNDS THE STATOR POLES BETWEEN SAID TWO FLANGES.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |