Patent US3422292A successfully refreshed from Google Patents.
US3422292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stator for an electromagnetic transducer
Assignee: United States Department of the Army
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Filing: 1966-09-21
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Granted: 1969-01-14
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Mccoy
- 👤 Robert J Port
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:24
CPC Classifications
H; H02; H02K; H02K24/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
AN IMPROVED LAMINATED STATOR FOR AN ELECTROMAGNETIC TRANSDUCER INCLUDING A CIRCULAR LAMINATED STATOR CORE WITH A PLURALITY OF PAIRS OF STATOR LEGS LOCATED RADIALLY INWARD; SAID STATOR LEGS BEING SYMMETRICALLY ARRANGED AND OF THE SAME CROSS SECTIONAL AREA; THE IMPROVEMENT COMPRISING: EACH ADJACENT PAIR OF SAID STATOR LEGS HAVING INNERMOST SECTIONS THAT ARE GENERALLY PARALLEL AND HAVING A SMALL EYE THEREBETWEEN; AND AN OUTERMOST SECTION OF EACH OF SAID STATOR LEGS OBLIQUELY DISPOSED WITH RESPECT TO AN ADJACENT LEG PORTION, LEAVING A SMALL EYE BETWEEN ALTERNATE PAIRS, PROVIDING MAXIMUM AREA FOR PRIMARY AND SECONDARY WINDINGS, AND MINIMIZING THE UNUSABLE AREA IN THE EYES OF THE WINDINGS, WHEREBY SAID STATOR LEGS CROSS SECTIONAL AREA CAN BE INCREASED, PROVIDING A LARGER MAGNETIC FLUX PATH WITH NO LOSS OF WINDING SPACE, AND SAID STATOR LEG ARRANGEMENT IS SUCH THAT LEGS OF OPPOSITE POLARITY HAVE THE LARGEST AVERAGE SEPARATION, RESULTING IN REDUCED MAGNETIC FLUX LEAKAGE BETWEEN STATOR LEGS OF OPPOSITE POLARITY AND IMPROVED ELECTRICAL AND WINDING EFFICIENCIES.
Claim 2
Dependent Claim
163 words
AN IMPROVED LAMINATED STATOR FOR AN ELECTROMAGNETIC TRANSDUCER INCLUDING A CIRCULAR LAMINATED STATOR CORE WITH A PLURALITY OF PAIRS OF STATOR LEGS LOCATED RADIALLY INWARD; SAID STATOR LEGS BEING SYMMETRICALLY ARRANGED AND OF THE SAME CROSS SECTIONAL AREA; THE IMPROVEMENT COMPRISING: EACH ADJACENT PAIR OF SAID STATOR LEGS HAVING INNERMOST SECTIONS THAT ARE GENERALLY PARALLEL AND HAVING A SMALL EYE THEREBETWEEN; AND AN OUTERMOST SECTION OF EACH OF SAID STATOR LEGS OBLIQUELY DISPOSED WITH RESPECT TO AN ADJACENT LEG PORTION, LEAVING A SMALL EYE BETWEEN ALTERNATE PAIRS, PROVIDING MAXIMUM AREA FOR PRIMARY AND SECONDARY WINDINGS, AND MINIMIZING THE UNUSABLE AREA IN THE EYES OF THE WINDINGS, WHEREBY SAID STATOR LEGS CROSS SECTIONAL AREA CAN BE INCREASED, PROVIDING A LARGER MAGNETIC FLUX PATH WITH NO LOSS OF WINDING SPACE, AND SAID STATOR LEG ARRANGEMENT IS SUCH THAT LEGS OF OPPOSITE POLARITY HAVE THE LARGEST AVERAGE SEPARATION, RESULTING IN REDUCED MAGNETIC FLUX LEAKAGE BETWEEN STATOR LEGS OF OPPOSITE POLARITY AND IMPROVED ELECTRICAL AND WINDING EFFICIENCIES.
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |