US3090880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical rotating machines
Assignee: Printed Motors Inc
•
Filing: 1957-10-21
•
Granted: 1963-05-21
•
Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond Francois Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
IN A MULTIPOLAR ROTATING ELECTRIC MACHINE, THE COMBINATION OF A DISK-SHAPED ROTOR STRUCTURE HAVING A FLAT ANNULAR SURFACE ON ONE FACE THEREOF CONCENTRIC WITH THE AXIS OF THE ROTOR, A DISK-SHAPED STATOR STRUCTURE ARRANGED ON A COMMON AXIS WITH SAID ROTOR STRUCTURE AND HAVING A CONTINUOUS SINGLE-PLANE ANNULAR SURFACE FACING THE FLAT ANNULAR SURFACE OF SAID ROTOR STRUCTURE, SAID ANNULAR SURFACES BEING SPACED APART TO PROVIDE A PLANAR AIR-GAP BETWEEN SAID STRUCTURES, AN ELECTIRC WINDING MOUNTED ON SAID SINGLE-PLANE SURFACE AND COMPRISING A PLURALITY OF FLAT CONDUCTORS INTIMATELY SECURED TO SAID SINGLE-PLANE SURFACE AND BEING ANGULARLY SPACED ABOUT SAID COMMON AXIS THROUGHOUT THE EXTENT OF SAID SINGLE-PLANE ANNULAR SURFACE, A DEPOSIT OF ELECTRICALLY INSULATING MAGNETIC FILLER MATERIAL BONDED TO THE SUPPORTING SURFACE OF SAID WINDING AND FILLING THE GAPS BETWEEN SAID CONDUCTORS TO A DEPTH FLUSH WITH THE OUTER FACES OF SAID FLAT CONDUCTORS, SAID CONDUCTORS BEING CONNECTED TOGETHER IN A CLOSED WINDING TO FORM AN EVEN NUMBER OF MAGNETIC POLES SPACED APART AROUND SAID SINGLE-PLANE ANNULAR SURFACE, ALTERNATE POLES BEING OF OPPOSITE SIDE OF SAID AIR-GAP FROM MEANS LOCATED ON THE OPPOSITE SIDE OF SAID AIR -GAP FROM SAID WINDING FOR CLOSING THE MAGNETIC FIELDS OF SAID POLES THROUGH SAID AIR-GAP.
Claim 2
Dependent Claim
202 words
IN A MULTIPOLAR ROTATING ELECTRIC MACHINE, THE COMBINATION OF A DISK-SHAPED ROTOR STRUCTURE HAVING A FLAT ANNULAR SURFACE ON ONE FACE THEREOF CONCENTRIC WITH THE AXIS OF THE ROTOR, A DISK-SHAPED STATOR STRUCTURE ARRANGED ON A COMMON AXIS WITH SAID ROTOR STRUCTURE AND HAVING A CONTINUOUS SINGLE-PLANE ANNULAR SURFACE FACING THE FLAT ANNULAR SURFACE OF SAID ROTOR STRUCTURE, SAID ANNULAR SURFACES BEING SPACED APART TO PROVIDE A PLANAR AIR-GAP BETWEEN SAID STRUCTURES, AN ELECTIRC WINDING MOUNTED ON SAID SINGLE-PLANE SURFACE AND COMPRISING A PLURALITY OF FLAT CONDUCTORS INTIMATELY SECURED TO SAID SINGLE-PLANE SURFACE AND BEING ANGULARLY SPACED ABOUT SAID COMMON AXIS THROUGHOUT THE EXTENT OF SAID SINGLE-PLANE ANNULAR SURFACE, A DEPOSIT OF ELECTRICALLY INSULATING MAGNETIC FILLER MATERIAL BONDED TO THE SUPPORTING SURFACE OF SAID WINDING AND FILLING THE GAPS BETWEEN SAID CONDUCTORS TO A DEPTH FLUSH WITH THE OUTER FACES OF SAID FLAT CONDUCTORS, SAID CONDUCTORS BEING CONNECTED TOGETHER IN A CLOSED WINDING TO FORM AN EVEN NUMBER OF MAGNETIC POLES SPACED APART AROUND SAID SINGLE-PLANE ANNULAR SURFACE, ALTERNATE POLES BEING OF OPPOSITE SIDE OF SAID AIR-GAP FROM MEANS LOCATED ON THE OPPOSITE SIDE OF SAID AIR -GAP FROM SAID WINDING FOR CLOSING THE MAGNETIC FIELDS OF SAID POLES THROUGH SAID AIR-GAP.
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |