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US3308397A Expired / Lapsed US ⏱️ 0.0 years remaining

Saturable current transformertransitor inverter circuit

Assignee: General Electric Co
•
Filing: 1964-03-19
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Granted: 1967-03-07
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Expires: 1984-03-19
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond E Morgan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:43
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 213 words
A NEW AND IMPROVED INVERTER CIRCUIT INCLUDING IN COMBINATION SATURABLE CORE CURRENT TRANSFORMER MEANS HAVING AT LEAST TWO PRIMARY WINDING PORTIONS AND RESPECTIVE INDUCTIVELY COUPLED SECONDARY WINDING PORTIONS, A DIRECT CURRENT POWER SUPPLY, AN OUTPUT TRANSFORMER HAVING A CENTER TAPPED PRIMARY WINDING, AND A PAIR OF CONDUCTIVITY CONTROLLED CONDUCTING DEVICES EACH HAVING INPUT TERMINALS AND OUTPUT TERMINALS, THE OUTPUT TERMINALS OF EACH OF SAID CONDUCTIVITY CONTROLLED CONDUCTING DEVICES BEING OPERATIVELY CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH THE DIRECT CURRENT POWER SUPPLY AND A RESPECTIVE PRIMARY WINDING PORTION OF THE SATURABLE CORE TRANSFORMER MEANS ACROSS A RESPECTIVE WINDING HALF OF THE PRIMARY WINDING OF THE OUTPUT TRANSFORMER, AND THE INPUT TERMINALS OF EACH CONDUCTIVITY CONTROLLED CONDUCTING DEVICE BEING CONNECTED TO THE RESPECTIVE SECONDARY WINDING PORTION OF THE SATURABLE CORE TRANSFORMER MEANS THAT IS INDUCTIVELY COUPLED TO THE PRIMARY WINDING PORTION TO WHICH THE OUTPUT TERMINALS OF THE CONTROLLED CONDUCTING DEVICE ARE CONNECTED, AND NO LOAD CURRENT BIAS WINDING MEANS OPERATIVELY COUPLED ACROSS THE PRIMARY WINDING PORTIONS OF THE SATURABLE CORE TRANSFORMER IN PARALLEL CIRCUIT RELATIONSHIP THEREWITH AND INDUCTIVELY COUPLED TO THE SECONDARY WINDING PORTIONS OF THE SATURABLE CORE CURRENT TRANSFORMER MEANS FOR SUPPLYING SUFFICIENT BIAS CURRENT TO THE INPUT TERMINALS OF THE CONDUCTIVITY CONTROLLED CONDUCTING DEVICES DURING NO LOAD OPERATING CONDITIONS OF THE INVERTER.
Claim 2
Dependent Claim 213 words
A NEW AND IMPROVED INVERTER CIRCUIT INCLUDING IN COMBINATION SATURABLE CORE CURRENT TRANSFORMER MEANS HAVING AT LEAST TWO PRIMARY WINDING PORTIONS AND RESPECTIVE INDUCTIVELY COUPLED SECONDARY WINDING PORTIONS, A DIRECT CURRENT POWER SUPPLY, AN OUTPUT TRANSFORMER HAVING A CENTER TAPPED PRIMARY WINDING, AND A PAIR OF CONDUCTIVITY CONTROLLED CONDUCTING DEVICES EACH HAVING INPUT TERMINALS AND OUTPUT TERMINALS, THE OUTPUT TERMINALS OF EACH OF SAID CONDUCTIVITY CONTROLLED CONDUCTING DEVICES BEING OPERATIVELY CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH THE DIRECT CURRENT POWER SUPPLY AND A RESPECTIVE PRIMARY WINDING PORTION OF THE SATURABLE CORE TRANSFORMER MEANS ACROSS A RESPECTIVE WINDING HALF OF THE PRIMARY WINDING OF THE OUTPUT TRANSFORMER, AND THE INPUT TERMINALS OF EACH CONDUCTIVITY CONTROLLED CONDUCTING DEVICE BEING CONNECTED TO THE RESPECTIVE SECONDARY WINDING PORTION OF THE SATURABLE CORE TRANSFORMER MEANS THAT IS INDUCTIVELY COUPLED TO THE PRIMARY WINDING PORTION TO WHICH THE OUTPUT TERMINALS OF THE CONTROLLED CONDUCTING DEVICE ARE CONNECTED, AND NO LOAD CURRENT BIAS WINDING MEANS OPERATIVELY COUPLED ACROSS THE PRIMARY WINDING PORTIONS OF THE SATURABLE CORE TRANSFORMER IN PARALLEL CIRCUIT RELATIONSHIP THEREWITH AND INDUCTIVELY COUPLED TO THE SECONDARY WINDING PORTIONS OF THE SATURABLE CORE CURRENT TRANSFORMER MEANS FOR SUPPLYING SUFFICIENT BIAS CURRENT TO THE INPUT TERMINALS OF THE CONDUCTIVITY CONTROLLED CONDUCTING DEVICES DURING NO LOAD OPERATING CONDITIONS OF THE INVERTER.

References Cited (Backward Citations)

US3004226A Cited
US2968738A Cited
US3102206A Cited
US3139595A Cited
FR1254327A Cited
DE1112135B Cited
US3151287A Cited
US3176243A Cited
US3243725A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-06 1970-09-05 1971-03-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-06 1974-09-05 1975-03-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-06 1978-09-05 1979-03-07 $7700.00 Window Closed / Lapsed

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