US3231774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A.c. rotating electric machines with printed circuit armatures
Assignee: Printed Motors Inc
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Filing: 1960-04-15
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Granted: 1966-01-25
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Expires: 1980-04-15
Abstract
No abstract record available.
Inventors
- 👤 Henry-Baudot Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:14
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A MULTI-POLAR ROTATING ELECTRIC MACHINE OF THE AXIAL AIR-GAP TYPE, COMPRISING A ROTOR FORMED OF A DISC-SHAPED CARRIER MEMBER HAVING A WINDING THEREON CONSISTING OF TWO ANNULAR ARRAYS OF FLAT AND BARE CONDUCTORS INSULATED FROM EACH OTHER AND HAVING THEIR BROAD FACES INTIMATELY BONDED THROUGHOUT THEIR LENGTHS TO OPPOSITE FACES OF AN ANNULAR PORTION OF SAID CARRIER MEMBER, THE CONDUCTORS OF EACH ARRAY EXTENDING GENERALLY RADIALLY OF SAID ROTOR AND BEING UNIFORMLY DISTRIBUTED OVER SAID ANNULAR PORTION OF SAID CARRIER MEMBER, EACH CONDUCTOR FORMING A HALF-TURN OF THE WINDING, THE ENDS OF SAID CONDUCTORS BEING CONNECTED FROM ONE ARRAY TO THE OTHER ONE IN A CLOSED-CIRCUIT ANNULAR WINDING IN WHICH SUCCESSIVE CONDUCTORS ARE LOCATED IN DIFFERENT ARRAYS, AT LEAST TWO COLLECTOR RINGS ALSO FORMED OF FLAT BARE CONDUCTOR COATINGS INTIMATELY ADHERING TO AN INSULATING SURFACE CARRIER ROTATING WITH SAID ROTOR, CONNECTIONS BETWEEN SAID COLLECTOR RINGS AND SAID CLOSED-CIRCUIT ANNULAR WINDING AT POINTS SPACED ANGULARLY ABOUT THE AXIS OF SAID WINDING, AND A STATOR MEMBER HAVING BRUSHES MOUNTED THEREON AND ENGAGING SAID COLLECTOR RINGS.
Claim 2
Dependent Claim
173 words
A MULTI-POLAR ROTATING ELECTRIC MACHINE OF THE AXIAL AIR-GAP TYPE, COMPRISING A ROTOR FORMED OF A DISC-SHAPED CARRIER MEMBER HAVING A WINDING THEREON CONSISTING OF TWO ANNULAR ARRAYS OF FLAT AND BARE CONDUCTORS INSULATED FROM EACH OTHER AND HAVING THEIR BROAD FACES INTIMATELY BONDED THROUGHOUT THEIR LENGTHS TO OPPOSITE FACES OF AN ANNULAR PORTION OF SAID CARRIER MEMBER, THE CONDUCTORS OF EACH ARRAY EXTENDING GENERALLY RADIALLY OF SAID ROTOR AND BEING UNIFORMLY DISTRIBUTED OVER SAID ANNULAR PORTION OF SAID CARRIER MEMBER, EACH CONDUCTOR FORMING A HALF-TURN OF THE WINDING, THE ENDS OF SAID CONDUCTORS BEING CONNECTED FROM ONE ARRAY TO THE OTHER ONE IN A CLOSED-CIRCUIT ANNULAR WINDING IN WHICH SUCCESSIVE CONDUCTORS ARE LOCATED IN DIFFERENT ARRAYS, AT LEAST TWO COLLECTOR RINGS ALSO FORMED OF FLAT BARE CONDUCTOR COATINGS INTIMATELY ADHERING TO AN INSULATING SURFACE CARRIER ROTATING WITH SAID ROTOR, CONNECTIONS BETWEEN SAID COLLECTOR RINGS AND SAID CLOSED-CIRCUIT ANNULAR WINDING AT POINTS SPACED ANGULARLY ABOUT THE AXIS OF SAID WINDING, AND A STATOR MEMBER HAVING BRUSHES MOUNTED THEREON AND ENGAGING SAID COLLECTOR RINGS.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |