US3132287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency circuit breaker utilizing silicon controlled rectifiers
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1961-03-14
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Granted: 1964-05-05
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Expires: 1981-03-14
Abstract
No abstract record available.
Inventors
- 👤 Howard L Yarbrough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A CIRCUIT BREAKER CIRCUIT COMPRISING: A SOUCE OF ALTERNATING CURRENT; A LOAD CIRCUIT COMPRISING A SERIES-CONNECTED LOAD TO BE SUPPLIED BY SAID SOURCE OF ALTERNATING CURRENT; CURRENT SENSING MEANS FOR SENSING THE AMOUNT OF ALTERNATING CURRENT FLOWING THROUGH SAID LOAD; SWITCHING MEANS FOR CONTROLLING WHETHER OR NOT SAID ALTERNATING CURRENT FLOWS THROGH SAID LOAD, SAID SWITCHING MEANS COMPRISING A PAIR OF PARALLEL-CONNECTED, OPPOSITELY-POLED CONTROLLED RECTIFIERS; AND CONTROL CIRCUIT MEANS, TRIGGERED BY SAID CURRENT SENSING MEANS, FOR CONTROLLING THE STATE OF THE SAID SWITCHING MEANS, WHEREBY SAID CONTROL CIRCUIT MEANS NORMALLY CAUSES SAID SWITCHING MEANS TO BE CONDUCTIVE, BUT WHEN SAID CONTROL CIRCUIT MEANS IS TRIGGERED IT CAUSES SAID SWITCHING MEANS TO ASSUME A NON-CONDUCTIVE DISABLED STATE, SAID CONTROL CIRCUIT MEANS COMPRISING A DIRECT CURRENT OPERATED CONTROL DEVICE FOR CONTROLLING THE STATE OF SAID SWITCH MEANS AND A
Claim 2
Dependent Claim
137 words
A CIRCUIT BREAKER CIRCUIT COMPRISING: A SOUCE OF ALTERNATING CURRENT; A LOAD CIRCUIT COMPRISING A SERIES-CONNECTED LOAD TO BE SUPPLIED BY SAID SOURCE OF ALTERNATING CURRENT; CURRENT SENSING MEANS FOR SENSING THE AMOUNT OF ALTERNATING CURRENT FLOWING THROUGH SAID LOAD; SWITCHING MEANS FOR CONTROLLING WHETHER OR NOT SAID ALTERNATING CURRENT FLOWS THROGH SAID LOAD, SAID SWITCHING MEANS COMPRISING A PAIR OF PARALLEL-CONNECTED, OPPOSITELY-POLED CONTROLLED RECTIFIERS; AND CONTROL CIRCUIT MEANS, TRIGGERED BY SAID CURRENT SENSING MEANS, FOR CONTROLLING THE STATE OF THE SAID SWITCHING MEANS, WHEREBY SAID CONTROL CIRCUIT MEANS NORMALLY CAUSES SAID SWITCHING MEANS TO BE CONDUCTIVE, BUT WHEN SAID CONTROL CIRCUIT MEANS IS TRIGGERED IT CAUSES SAID SWITCHING MEANS TO ASSUME A NON-CONDUCTIVE DISABLED STATE, SAID CONTROL CIRCUIT MEANS COMPRISING A DIRECT CURRENT OPERATED CONTROL DEVICE FOR CONTROLLING THE STATE OF SAID SWITCH MEANS AND A
References Cited (Backward Citations)
US2920240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |