US3189808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronous electric rotary machine system
Assignee: Printed Motors Inc
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Filing: 1961-03-10
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Granted: 1965-06-15
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Henry-Baudot Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:36
CPC Classifications
H; H02; H02K; H02K29/00; H02K29/14; H02K29/06; H02K29/12; H02K3/00; H02K3/04; H02K3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
A ROTARY ELECTRIC MACHINE COMPRISING A MAGNETIC FIELD MEMBER MOUNTED FOR ROTATION ABOUT A ROTARY AXIS AND PRODUCING MAGNETIC FIELDS OF OPPOSITE POLARITY IN SPACED POLAR AREAS, SUCH FIELDS ROTATING IN AN ANNULAR PATH SURROUNDING SAID AXIS, A STATIONARY ARMATURE MEMBER HAVING MOUNTED THEREON AN ANNULAR ARMATURE WINDING DISTRIBUTED ENTIRELY ABOUT THE ROTARY AXIS OF SAID FIELD MEMBER AND LOCATED WITHIN THE ANNULAR PATH OF ROTATION OF SAID MAGNETIC FIELDS, SAID ARMATURE WINDING BEING FORMED OF A PLURALITY OF SECTIONS SPACED ANGULARLY ABOUT SAID AXIS AND CONSTITUTING WINDING SECTIONS HAVING SPACED RELATIVE PHASES, A CONTROL WINDING MOUNTED IN FIXED RELATION WITH SAID ARMATURE WINDING AND IN A POSITION TO HAVE VOLTAGES INDUCED THEREIN BY SAID ROTARY FIELDS, A PLURALITY OF TAPES ON SAID CONTROL WINDING FOR DERIVING FROM SAID CONTROL WINDING A PLURALITY OF PHASE VOLTAGES OF DIFFERENT PHASE RELATIONS AND CORRESPONDING IN NUMBER TO THE NUMBER OF PHASE SECTIONS IN SAID ARMATURE WINDING, A PLURALITY OF VOLTAGERESPONSIVE CURRENT-CONTROL DEVICES, ONE FOR EACH PHASE SECTION IN SAID ARMATURE WINDING, EACH CURRENT-CONTROL DEVICE INCLUDING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT, SUPPLY TERMINALS FOR DIRECT CURRENT, INDIVIDUAL CONNECTIONS COMPLETING THE OUTPUT CIRCUIT OF EACH CONTROL DEVICE FROM ONE SUPPLY TERMINAL TO THE OTHER THROUGH SEPARATE PHASE SECTIONS OF SAID ARMATURE WINDING, AND INDIVIDUAL CONNECTIONS SUPPLYING THE RESPECTIVE PHASE CONTROL VOLTAGES FROM SAID CONTROL WINDING TO THE INPUT CIRCUITS OF SAID CURRENTCONTROL DEVICES.
Claim 2
Dependent Claim
231 words
A ROTARY ELECTRIC MACHINE COMPRISING A MAGNETIC FIELD MEMBER MOUNTED FOR ROTATION ABOUT A ROTARY AXIS AND PRODUCING MAGNETIC FIELDS OF OPPOSITE POLARITY IN SPACED POLAR AREAS, SUCH FIELDS ROTATING IN AN ANNULAR PATH SURROUNDING SAID AXIS, A STATIONARY ARMATURE MEMBER HAVING MOUNTED THEREON AN ANNULAR ARMATURE WINDING DISTRIBUTED ENTIRELY ABOUT THE ROTARY AXIS OF SAID FIELD MEMBER AND LOCATED WITHIN THE ANNULAR PATH OF ROTATION OF SAID MAGNETIC FIELDS, SAID ARMATURE WINDING BEING FORMED OF A PLURALITY OF SECTIONS SPACED ANGULARLY ABOUT SAID AXIS AND CONSTITUTING WINDING SECTIONS HAVING SPACED RELATIVE PHASES, A CONTROL WINDING MOUNTED IN FIXED RELATION WITH SAID ARMATURE WINDING AND IN A POSITION TO HAVE VOLTAGES INDUCED THEREIN BY SAID ROTARY FIELDS, A PLURALITY OF TAPES ON SAID CONTROL WINDING FOR DERIVING FROM SAID CONTROL WINDING A PLURALITY OF PHASE VOLTAGES OF DIFFERENT PHASE RELATIONS AND CORRESPONDING IN NUMBER TO THE NUMBER OF PHASE SECTIONS IN SAID ARMATURE WINDING, A PLURALITY OF VOLTAGERESPONSIVE CURRENT-CONTROL DEVICES, ONE FOR EACH PHASE SECTION IN SAID ARMATURE WINDING, EACH CURRENT-CONTROL DEVICE INCLUDING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT, SUPPLY TERMINALS FOR DIRECT CURRENT, INDIVIDUAL CONNECTIONS COMPLETING THE OUTPUT CIRCUIT OF EACH CONTROL DEVICE FROM ONE SUPPLY TERMINAL TO THE OTHER THROUGH SEPARATE PHASE SECTIONS OF SAID ARMATURE WINDING, AND INDIVIDUAL CONNECTIONS SUPPLYING THE RESPECTIVE PHASE CONTROL VOLTAGES FROM SAID CONTROL WINDING TO THE INPUT CIRCUITS OF SAID CURRENTCONTROL DEVICES.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |