Patent US3426226A successfully refreshed from Google Patents.
US3426226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine with rotating armature having partially distributed spiral windings
Assignee: Individual
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Filing: 1966-07-21
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Granted: 1969-02-04
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Expires: 1986-07-21
Abstract
No abstract record available.
Inventors
- 👤 Jacob Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:58
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A DYNAMOELECTRIC MACHINE, A STATOR, AN ARMATURE SURROUNDED BY SAID STATOR AND ROTATABLE RELATIVE THERETO, MEANS FORMING A SINGLE FLUX FIELD WITH MAGNETIC LINES OF FORCE FLOWING TRANSVERSELY OF SAID ARMATURE RELATIVE TO THE AXIS THEREOF, FIRST COIL MEANS CARRIED ON SAID ARMATURE ON ONE SIDE OF A MEDIAL AXIALLY EXTENDING PLANE THEREOF, SAID COIL HAVING THE WIRE OF OPPOSITE REACHES THEREOF EXTENDING LONGITUDINALLY OF SAID ARMATURE, A SECOND COIL MEANS CARRIED BY SAID ARMATURE ON THE OPPOSITE SIDE OF SAID MEDIAL PLANE, THE WIRE OF OPPOSITE REACHES OF SAID SECOND COIL EXTENDING LONGITUDINALLY OF AID ARMATURE, AND MEANS CONNECTING SAID FIRST AND SECOND COIL MEANS IN SERIES SO THAT THE DIRECTION OF CURRENT FLOW THROUGH THE RESPECTIVE COILS IS IN OPPOSITE DIRECTIONS.
Claim 2
Dependent Claim
124 words
IN A DYNAMOELECTRIC MACHINE, A STATOR, AN ARMATURE SURROUNDED BY SAID STATOR AND ROTATABLE RELATIVE THERETO, MEANS FORMING A SINGLE FLUX FIELD WITH MAGNETIC LINES OF FORCE FLOWING TRANSVERSELY OF SAID ARMATURE RELATIVE TO THE AXIS THEREOF, FIRST COIL MEANS CARRIED ON SAID ARMATURE ON ONE SIDE OF A MEDIAL AXIALLY EXTENDING PLANE THEREOF, SAID COIL HAVING THE WIRE OF OPPOSITE REACHES THEREOF EXTENDING LONGITUDINALLY OF SAID ARMATURE, A SECOND COIL MEANS CARRIED BY SAID ARMATURE ON THE OPPOSITE SIDE OF SAID MEDIAL PLANE, THE WIRE OF OPPOSITE REACHES OF SAID SECOND COIL EXTENDING LONGITUDINALLY OF AID ARMATURE, AND MEANS CONNECTING SAID FIRST AND SECOND COIL MEANS IN SERIES SO THAT THE DIRECTION OF CURRENT FLOW THROUGH THE RESPECTIVE COILS IS IN OPPOSITE DIRECTIONS.
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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |