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US3313993A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor-generator using a resonance circuit

Assignee: Individual
•
Filing: 1963-12-20
•
Granted: 1967-04-11
•
Expires: 1983-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Rupp Hermann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:12
CPC Classifications
H; H02; H02K; H02K99/00; H02K99/20

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 152 words
AN ELECTRIC MACHINE COMPRISING: (A) A STATOR HAVING A SUBSTANTIALLY CIRCULAR SERIES OF SPACED POLES FORMED OF MAGNETIC MATERIAL, (B) A WINDING FOR EACH OF THE STATOR POLES, THE WINDINGS BEING CONNECTED IN SERIES, (C) A CONDENSER CONNECTED IN PARALLEL WITH THE SERIESCONNECTED STATOR WINDINGS TO PROVIDE A RESONANCE CIRCUIT, (D) A ROTOR MOUNTED FOR ROTATION WITHIN THE STATOR AND HAVING A SUBSTANTIALLY CIRCULAR SERIES OF POLES FORMED OF PERMANENT MAGNETS. (E) A SOURCE OF DIRECT CURRENT, AND (F) MEANS SUPPLYING PULSES OF DIRECT CURRENT FROM THE SOURCE TO THE RESONANCE CIRCUIT, (G) THE RESONANCE CIRCUIT HAVING A PREDETERMINED ALTERNATING CURRENT FREQUENCY, AND (H) THE SAID MEANS SUPPLYING THE DIRECT CURRENT PULSE FROM THE SOURCE TO THE RESONANCE CIRCUIT AT EACH HALF CYCLE OF AND IN SYNCHRONIZATION WITH THE RESONANCE CIRCUIT CURRENT FREQUENCY AND DURING THE FIRST 90 ELECTRICAL DEGREES OF EACH HALF CYCLE WITH RELATIVELY REVERSED POLARITY OF EACH HALF CYCLE.

References Cited (Backward Citations)

CA560086A Cited
US3124733A Cited
US1197978A Cited
US1937739A Cited
US2250395A Cited
US2227894A Cited
US2705299A Cited
US2794137A Cited
US2922943A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-10 1970-10-10 1971-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-10 1974-10-10 1975-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-10 1978-10-10 1979-04-11 $7700.00 Window Closed / Lapsed

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