US3101425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding for axial air gap machines
Assignee: Normacem SA
•
Filing: 1960-04-26
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Granted: 1963-08-20
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Expires: 1980-04-26
Abstract
No abstract record available.
Inventors
- 👤 Moressee Georges
- 👤 Dechet Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:59
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/26; Y; Y10; Y10S; Y10S310/00; Y10S310/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
IN AN AXIAL AIR GAP MACHINE HAVING A ROTOR AND A STATOR, SAID ROTOR BEING SPACED FROM SAID STATOR BY A PLANAR AIR GAP AND CONSISTING OF A DISK-TYPE ARMATURE INCLUDING AN INSULATING SUPPORTING DISK HAVING ARMATURE WINDING COIL SIDES ON BOTH SIDES THEREOF, THE IMPROVEMENT WHEREIN SAID COIL SIDES ARE RELATIVELY THIN IN THE DIRECTION NORMAL TO THE SURFACE OF THE DISK AND HAVE A RELATIVELY GREAT WIDTH, EACH OF SAID COIL SIDES CONTAINING AT LEAST ON LONGITUDINAL SLOT THEREIN DIVIDING THE COIL SIDE INTO TWO NARROWER SECTIONS ELECTRICALLY CONNECTED IN PARALLEL WHEREBY FAUCAULT CURRENTS IN THE COIL SIDES AND THE CORRESPONDING EDDY CURRENT LOSSES CREATED THEREBY ARE REDUCED.
References Cited (Backward Citations)
US2970238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |