Patent US3226586A successfully refreshed from Google Patents.
US3226586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial airgap rotary machines
Assignee: Printed Motors Inc
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Filing: 1960-01-21
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Granted: 1965-12-28
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Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Henry-Baudot Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:07
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN AXIAL AIRGAP DYANMO-ELECTRIC MACHINE COMPRISING: A PAIR OF DISC-SHAPED STATOR MEMBERS POSITIONED PARALLEL TO EACH OTHER TO DEFINE AN AXIAL AIRGAP THEREBETWEEN, EACH OF SAID STATOR MEMBERS INCLUDING ON THEIR OPPOSING FACES RAISED ANNULAR PORTIONS CONCENTRIC WITH THEIR AXIS AND LOCATED SUBSTANTIALLY MIDWAY OF THEIR CENTER AND PERIPHERAL PORTIONS SO THAT THE AIRGAP BETWEEN SAID MEMBERS IS WIDER AT THE CENTER AND PERIPHERAL PORTIONS COMPARED WITH THE AIRGAP BETWEEN SAID ANNULAR PORTIONS; AND A DISC-SHAPED ROTOR POSITIONED IN SAID AIRGAP HAVING CONDUCTORS WHICH ARE SUBSTANTIALLY THICKER AT THEIR INNER AND OUTER RADIAL ENDS TO SUBSTANTIALLY FILL SAID AIRGAP.
Claim 2
Dependent Claim
99 words
AN AXIAL AIRGAP DYANMO-ELECTRIC MACHINE COMPRISING: A PAIR OF DISC-SHAPED STATOR MEMBERS POSITIONED PARALLEL TO EACH OTHER TO DEFINE AN AXIAL AIRGAP THEREBETWEEN, EACH OF SAID STATOR MEMBERS INCLUDING ON THEIR OPPOSING FACES RAISED ANNULAR PORTIONS CONCENTRIC WITH THEIR AXIS AND LOCATED SUBSTANTIALLY MIDWAY OF THEIR CENTER AND PERIPHERAL PORTIONS SO THAT THE AIRGAP BETWEEN SAID MEMBERS IS WIDER AT THE CENTER AND PERIPHERAL PORTIONS COMPARED WITH THE AIRGAP BETWEEN SAID ANNULAR PORTIONS; AND A DISC-SHAPED ROTOR POSITIONED IN SAID AIRGAP HAVING CONDUCTORS WHICH ARE SUBSTANTIALLY THICKER AT THEIR INNER AND OUTER RADIAL ENDS TO SUBSTANTIALLY FILL SAID AIRGAP.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |