US3263144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-phase motor and operating method
Assignee: Motors Liquidation Co
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Filing: 1965-07-19
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Granted: 1966-07-26
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 George A Neyhouse
- 👤 Jack W Savage
- 👤 Ralph K Shewmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:50
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A DYNAMOELECTRIC MACHINE, STATOR MEANS AND OPERATING CONNECTIONS COMPRISING, A MAGNETIC CORE HAVING SLOTS THEREIN, A WINDING INCLUDING AT LEAST FOUR CONDUCTIVE COIL PORTIONS POSITIONED IN THE SLOTS IN AT LEAST TWO LAYERS AND EACH WOUND TO SPAN A PREDETERMINED NUMBER OF SLOTS, DOUBLE-POLE DOUBLE-THROW SWITCHING MEANS TO REVERSE INSTANTANEOUS POLAR POLARITY GENERATED BY SERIES CONNECTION OF SAID COIL PORTIONS SUCH THAT DURATION OF CURRENT FLOW IN AT LEAST A PORTION OF SAID COIL PORTIONS RESULTS IN FLUX FOR OPERATION INCLUDING BOTH STARTING AND RUNNING UNDER DIFFERING NUMBERS OF POLES, A PHASE SHIFTING MEANS JOINED EFFECTIVELY FOR USE IN PARALLEL ACROSS A PREDETERMINED NUMBER OF SAID COIL PORTIONS OF SAID WINDING THAT IS TOTALLY ACTIVE AT ALL TIMES, MEANS FOR REMOVING SAID PHASE SHIFTING MEANS FROM EFFECTIVE USE WITH SAID PREDETERMINED NUMBER OF SAID COIL PORTIONS, AND SINGLE-POLE DOUBLE-THROW SWITCHING MEANS MOVABLE INTO FIRST AND SECOND POSITIONS AND ADAPTED TO CONNECT SAID PHASE SHIFTING MEANS FOR USE WITH SAID PREDETERMINED
Claim 2
Dependent Claim
160 words
A DYNAMOELECTRIC MACHINE, STATOR MEANS AND OPERATING CONNECTIONS COMPRISING, A MAGNETIC CORE HAVING SLOTS THEREIN, A WINDING INCLUDING AT LEAST FOUR CONDUCTIVE COIL PORTIONS POSITIONED IN THE SLOTS IN AT LEAST TWO LAYERS AND EACH WOUND TO SPAN A PREDETERMINED NUMBER OF SLOTS, DOUBLE-POLE DOUBLE-THROW SWITCHING MEANS TO REVERSE INSTANTANEOUS POLAR POLARITY GENERATED BY SERIES CONNECTION OF SAID COIL PORTIONS SUCH THAT DURATION OF CURRENT FLOW IN AT LEAST A PORTION OF SAID COIL PORTIONS RESULTS IN FLUX FOR OPERATION INCLUDING BOTH STARTING AND RUNNING UNDER DIFFERING NUMBERS OF POLES, A PHASE SHIFTING MEANS JOINED EFFECTIVELY FOR USE IN PARALLEL ACROSS A PREDETERMINED NUMBER OF SAID COIL PORTIONS OF SAID WINDING THAT IS TOTALLY ACTIVE AT ALL TIMES, MEANS FOR REMOVING SAID PHASE SHIFTING MEANS FROM EFFECTIVE USE WITH SAID PREDETERMINED NUMBER OF SAID COIL PORTIONS, AND SINGLE-POLE DOUBLE-THROW SWITCHING MEANS MOVABLE INTO FIRST AND SECOND POSITIONS AND ADAPTED TO CONNECT SAID PHASE SHIFTING MEANS FOR USE WITH SAID PREDETERMINED
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |