Patent US3256244A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3256244A Expired / Lapsed US ⏱️ 0.0 years remaining

Alternating current power generating system

Assignee: Garrett Corp
•
Filing: 1961-10-31
•
Granted: 1966-06-14
•
Expires: 1981-10-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert C Byloff
  • 👤 Chun Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:13
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/27; H02M5/272; H02M5/271

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
A SYSTEM FOR CONVERTING ALTERNATING CURRENT POWER OF A VARIABLE HIGH FREQUENCY TO A PRESELECTED, CONSTANT LOW FREQUENCY, SAID SYSTE COMPRISING: CONVERTER MEANS INCLUDING AT LEAST ONE PAIR OF OPPOSITELY POLED, CONTROLLABLE RECTIFIER MEANS CONNECTED TO CONDUCT CURRENT ALTERNATELY IN OPPOSITE DIRECTIONS BETWEEN UNPUT AND OUTPUT TERMINALS, EACH OF SAID RECFIFIER MEANS HAVING A CONTROL TERMINAL AND BECOMING CONUCTIVE UPON THE APPLICATION OF A CONTROL SIGNAL TO SAID CONTROL TERMINAL, THE ALTERNATING CURRENT POWER TO BE CONVERTED BEING APPLIED TO SAID INPUT TERMINALS AND THE CONVERTED ALTERNATING CURRENT POWER BEING RECEIVED FROM SAID OUTPUT TERMINALS; REFERENCE GENERATOR MEANS FOR PROVIDING A REFERENCE SIGNAL OF A FREQUENCY EQUAL TO SAID PRESELECTED CONSTANT LOW FREQUENCY; AND CIRCUIT MEANS RESPONSIVE TO SAID REFERENCE SIGNAL AND THE HIGH FREQUENCY ALTERNATING CURRENT POWER FOR DEVELOPING A CONTROL SIGNAL FOR EACH HALF CYCLE OF SAID HIGH FREQUENCY ALTRNATING CURRENT POWER FOR APPLICATION TO SAID CONTROL TERMINALS IN SUCH A MANNER THAT SAID RECTIFIER MEANS CONDUCT ALTERNATELY WITH CHANGE OF POLARITY OF SAID REFRENCE SIGNAL, THE CIRCUIT MEANS ALSO INCLUDING A CONSTANT VOLT-SECOND MEANS FOR PROVIDING FIRING ANGLES FOR SAID CONTROL SIGNALS WHICH VARY WITH THE AMPLITUDE OF SAID REFERENCE SIGNAL.
Claim 2
Independent Claim 194 words
A SYSTEM FOR CONVERTING ALTERNATING CURRENT POWER OF A VARIABLE HIGH FREQUENCY TO A PRESELECTED, CONSTANT LOW FREQUENCY, SAID SYSTE COMPRISING: CONVERTER MEANS INCLUDING AT LEAST ONE PAIR OF OPPOSITELY POLED, CONTROLLABLE RECTIFIER MEANS CONNECTED TO CONDUCT CURRENT ALTERNATELY IN OPPOSITE DIRECTIONS BETWEEN UNPUT AND OUTPUT TERMINALS, EACH OF SAID RECFIFIER MEANS HAVING A CONTROL TERMINAL AND BECOMING CONUCTIVE UPON THE APPLICATION OF A CONTROL SIGNAL TO SAID CONTROL TERMINAL, THE ALTERNATING CURRENT POWER TO BE CONVERTED BEING APPLIED TO SAID INPUT TERMINALS AND THE CONVERTED ALTERNATING CURRENT POWER BEING RECEIVED FROM SAID OUTPUT TERMINALS; REFERENCE GENERATOR MEANS FOR PROVIDING A REFERENCE SIGNAL OF A FREQUENCY EQUAL TO SAID PRESELECTED CONSTANT LOW FREQUENCY; AND CIRCUIT MEANS RESPONSIVE TO SAID REFERENCE SIGNAL AND THE HIGH FREQUENCY ALTERNATING CURRENT POWER FOR DEVELOPING A CONTROL SIGNAL FOR EACH HALF CYCLE OF SAID HIGH FREQUENCY ALTRNATING CURRENT POWER FOR APPLICATION TO SAID CONTROL TERMINALS IN SUCH A MANNER THAT SAID RECTIFIER MEANS CONDUCT ALTERNATELY WITH CHANGE OF POLARITY OF SAID REFRENCE SIGNAL, THE CIRCUIT MEANS ALSO INCLUDING A CONSTANT VOLT-SECOND MEANS FOR PROVIDING FIRING ANGLES FOR SAID CONTROL SIGNALS WHICH VARY WITH THE AMPLITUDE OF SAID REFERENCE SIGNAL.

References Cited (Backward Citations)

US2456494A Cited
US2905832A Cited
US2967252A Cited
US2899566A Cited
US2995696A Cited
US3054940A Cited
US3129381A Cited
US3170107A Cited
US3089992A Cited
US3151286A Cited
US3152297A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-13 1969-12-13 1970-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-13 1973-12-13 1974-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-13 1977-12-13 1978-06-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag