US3218476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for the ignition of parallel-working rectifier gate paths
Assignee: ABB Norden Holding AB
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Filing: 1963-02-21
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Granted: 1965-11-16
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Hansson Lennart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:14
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/17; H02M1/00; H02M1/08; H02M1/088; H02M7/162; H02M7/1623; H02M7/1626; H02M7/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
MEANS FOR SIMULTANEOUS IGNITION OF PARALLEL-WORKING RECTIFIER GATE PATHS, EACH PATH COMPRISING AT LEAST ONE CONTROLLABLE SEMI-CONDUCTOR RECTIFIER GATE, INDUCTIVELY COUPLED CURRENT EQUALIZING REACTANCE MEANS CONNECTED IN SERIES WITH SAID RECTIFIER GATE PATHS FOR DIVIDING THE LOAD CURRENT EQUALLY BETWEEN SAID RECTIFIER GATE PATHS, A PULSE DEVICE SUPPLYING IGNITION PULSES CONNECTED TO THE IGNITION ELECTRODE OF A RECTIFIER IN AT LEAST ONE OF SAID RECTIFIER
Claim 2
Dependent Claim
65 words
MEANS FOR SIMULTANEOUS IGNITION OF PARALLEL-WORKING RECTIFIER GATE PATHS, EACH PATH COMPRISING AT LEAST ONE CONTROLLABLE SEMI-CONDUCTOR RECTIFIER GATE, INDUCTIVELY COUPLED CURRENT EQUALIZING REACTANCE MEANS CONNECTED IN SERIES WITH SAID RECTIFIER GATE PATHS FOR DIVIDING THE LOAD CURRENT EQUALLY BETWEEN SAID RECTIFIER GATE PATHS, A PULSE DEVICE SUPPLYING IGNITION PULSES CONNECTED TO THE IGNITION ELECTRODE OF A RECTIFIER IN AT LEAST ONE OF SAID RECTIFIER
References Cited (Backward Citations)
US3158799A
Cited
US3169232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |