US3178663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single speed and multispeed unitary synchro structure
Assignee: Bendix Corp
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Filing: 1961-06-26
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Granted: 1965-04-13
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Leonard S Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:10
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1436; G08; G08C; G08C19/00; G08C19/38; G08C19/46; G08C19/48; H; H02; H02K; H02K24/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A TWO-SPEED SYNCHRO HAVING RELATIVELY MOVABLE INDUCTIVELY COUPLED ROTOR AND STATOR ELEMENTS, ONE OF THE ELEMENTS HAVING WINDINGS DISTRIBUTED TO PROVIDE A TWO-POLE ALTERNATING MAGNETIC FLUX AND A MULTI-POLE ALTERNATING MAGNETIC FLUX OF ALTERNATELY OPPOSITE PHASES, AND THE OTHER ELEMENT HAVING WINDINGS DISTRIBUTED TO PROVIDE A SINGLECYCLE OUTPUT VOLTAGE AND A MULTI-CYCLE OUTPUT VOLTAGE UPON RELATIVE ROTATION OF THE ELEMENTS THROUGH A PREDETERMINED ANGLE, THE SINGLE CYCLE OUTPUT WINDINGS BEING DISTRIBUTED TO HAVE MINIMUM COUPLING WITH THE MULTI-POLE FLUX AND THE MULTI-CYCLE OUTPUT WINDINGS BEING DISTRIBUTED TO HAVE MINIMUM COUPLING WITH THE TWO-POLE FLUX.
Claim 2
Dependent Claim
94 words
A TWO-SPEED SYNCHRO HAVING RELATIVELY MOVABLE INDUCTIVELY COUPLED ROTOR AND STATOR ELEMENTS, ONE OF THE ELEMENTS HAVING WINDINGS DISTRIBUTED TO PROVIDE A TWO-POLE ALTERNATING MAGNETIC FLUX AND A MULTI-POLE ALTERNATING MAGNETIC FLUX OF ALTERNATELY OPPOSITE PHASES, AND THE OTHER ELEMENT HAVING WINDINGS DISTRIBUTED TO PROVIDE A SINGLECYCLE OUTPUT VOLTAGE AND A MULTI-CYCLE OUTPUT VOLTAGE UPON RELATIVE ROTATION OF THE ELEMENTS THROUGH A PREDETERMINED ANGLE, THE SINGLE CYCLE OUTPUT WINDINGS BEING DISTRIBUTED TO HAVE MINIMUM COUPLING WITH THE MULTI-POLE FLUX AND THE MULTI-CYCLE OUTPUT WINDINGS BEING DISTRIBUTED TO HAVE MINIMUM COUPLING WITH THE TWO-POLE FLUX.
References Cited (Backward Citations)
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |