US3086156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling a powerrectifier system
Assignee: Siemens Schuckertwerke AG
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Filing: 1960-08-17
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Granted: 1963-04-16
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Expires: 1980-08-17
Abstract
No abstract record available.
Inventors
- 👤 Geissing Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:25
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/26; H02P7/265; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/913; Y10S388/914
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
155 words
A RECTIFIER SYSTEM, COMPRISING AN ALTERNATING-CURRENT LINE, A DIRECT-CURRENT MOTOR, VALVE-ACTION RECTIFIER MEANS CONNECTING SAID LINE WITH SAID MOTOR AND HAVING RESPECTIVE CONTROL ELECTRODES, IGNITION-ANGLE CONTROL MEANS HAVING AN ENERGIZING CIRCUIT CONNECTED TO SAID LINE TO BE SYNCHRONIZED WITH THE LINE VOLTAGE AND HAVING IGNITION PULSE MEANS CONNECTED TO SAID CONTROL ELECTRODES FOR SHIFTING THE RECTIFIER FIRING MOMENTS RELATIVE TO THE LINEVOLTAGE CYCLE, SAID IGNITION-ANGLE CONTROL MEANS HAVING TWO FIXED PULSE PHASE POSITIONS IN THE CYCLE RANGES OF RECTIFYING AND INVERTING OPERATIONS RESPECTIVELY OF SAID RECTIFIER MEANS, A SOURCE OF PATTERN VOLTAGE, CURRENT-RESPONSIVE MEANS CONNECTED WITH SAID LOAD TO PROVIDE A PILOT VOLTAGE VARIABLE IN DEPENDENCE UPON THE RECTIFIED CURRENT OF SAID LOAD, A CURRENT REGULATOR HAVING AN INPUT CIRCUIT TO WHICH SAID PATTERN VOLTAGE AND SAID PILOT VOLTAGE ARE CONNECTED IN MUTUALLY OPPOSED POLARITY RELATION SO AS TO JOINTLY SUPPLY TO SAID CURRENT REGULATOR AN ERROR SIGNAL OF REVERSIBLE POLARITY DEPENDING UPON UPWARD AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |