US3431638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing toroidally wound disc armatures
Assignee: Circuit Research Corp
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Filing: 1966-05-09
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Granted: 1969-03-11
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Robert Page Burr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:12
CPC Classifications
H; H02; H02K; H02K3/00; H02K15/00; H02K15/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49071; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF MAKING AN ARMATURE FOR A DISC TYPE ELECTRICAL MACHINE HAVING A MULTIPOLE STATOR, COMPRISING: MOUNTING A MANDREL IN THE SHAPE OF AN ANNULUS FOR CONTROLLED ROTATION ABOUT ITS AXIS; TORIODALLY WINDING INSULATED WIRE ABOUT SAID MANDRELL TO PROVIDE SUCCESSIVE TURNS OF THE ARMATURE WINDING; CONTROLLING THE ANGULAR SPEED OF SAID TOROIDAL WINDING AND THE ANGULAR SPEED OF SAID MANDREL TO HAVE SUCCESSIVE RADIALLY EXTENDING PORTIONS OF THE ARMATURE WINDING SPACED APPROXIMATELY IN ACCORDANCE WITH THE SPACING BETWEEN ADJACENT POLE CENTERS OF THE STATOR FOR THE MACHINE; AND TO HAVE THE WINDING DISTRIBUTED SUBSTANTIALLY UNIFORMLY OVER THE SURFACE OF THE MANDREL, CONTINUING WINDING UNTIL RETURNING TO THE STARTING POINT; AND CONNECTING THE BEGINNING OF SAID WINDING TO THE END THEREOF TO PROVIDE A MULTI-TURN CLOSED ARMATURE WINDING.
Claim 2
Independent Claim
129 words
A METHOD OF MAKING AN ARMATURE FOR A DISC TYPE ELECTRICAL MACHINE HAVING A MULTIPOLE STATOR, COMPRISING: MOUNTING A MANDREL IN THE SHAPE OF AN ANNULUS FOR CONTROLLED ROTATION ABOUT ITS AXIS; TORIODALLY WINDING INSULATED WIRE ABOUT SAID MANDRELL TO PROVIDE SUCCESSIVE TURNS OF THE ARMATURE WINDING; CONTROLLING THE ANGULAR SPEED OF SAID TOROIDAL WINDING AND THE ANGULAR SPEED OF SAID MANDREL TO HAVE SUCCESSIVE RADIALLY EXTENDING PORTIONS OF THE ARMATURE WINDING SPACED APPROXIMATELY IN ACCORDANCE WITH THE SPACING BETWEEN ADJACENT POLE CENTERS OF THE STATOR FOR THE MACHINE; AND TO HAVE THE WINDING DISTRIBUTED SUBSTANTIALLY UNIFORMLY OVER THE SURFACE OF THE MANDREL, CONTINUING WINDING UNTIL RETURNING TO THE STARTING POINT; AND CONNECTING THE BEGINNING OF SAID WINDING TO THE END THEREOF TO PROVIDE A MULTI-TURN CLOSED ARMATURE WINDING.
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |