US3293531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic vernier control for regulated rectifiers
Assignee: ABB Inc USA
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Filing: 1964-03-12
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Granted: 1966-12-20
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Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Isadore K Dortort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:20
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
A RECTIFIER SYSTEM INCLUDING A TRANSFORMER CONNECTABLE TO AN A.-C. SOURCE, REGULATOR MEANS CONNECTED TO SAID TRANSFORMER AND OPERABLE TO ALTER THE OUTPUT VOLTAGE THEREOF BY DISCRETE STEPS, MOTOR MEANS CONNECTED TO REGULATOR MEANS TO ALTER THE CONDITION OF SAID REGULATOR, A RECTIFIER CONNECTED BETWEEN SAID TRANSFORMER AND AN OUTPUT SYSTEM, A PHASE CONTROL MEANS IN SAID RECTIFIER, SAID PHASE CONTROL MEANS BEING CONNECTED TO AN AUXILIARY REGUALTING MEANS; SAID AUXILIARY REGULATING MEANS HAVING AN INPUT CIRCUIT CONNECTED TO SAID RECTIFIFER AND AN OUTPUT CIRCUIT CONNECTED TO PHASE CONTROL MEANS, AND RELAY CONTROL MEANS CONNECTED TO SAID MOTOR AND OPERABLE TO A FIRST AND SECOND CONDITION TO CAUSE SAID MOTOR TO RESPECTIVELY INCREASE OR DECREASE THE OUTPUT OF SAID TRANSFORMER; SAID PHASE CONTROL MEANS HAVING A RANGE OF REGULATION SMALLER THAN THE RANGE OF REGULATION OF SAID REGULATOR; SAID OUTPUT CIRCUIT OF SAID AUXILIARY REGULATOR BEING FURTHER CONNECTED TO SAID RELAY CONTROL MEANS; SAID RELAY CONTROL MEANS BEING OPERABLE TO ITS AND FIRST CONDITION RESPONSIVE TO A FIRST OUTPUT LEVEL FROM SAID AUXILIARY REGULATOR AND BEING OPERABLE TO ITS SAID SECOND CONDITION RESPONSIVE TO A SECOND OUTPUT LEVEL FROM SAIS AUXILIARY REGULATOR, WHEREBY SAID PHASE CONTROL MEANS REGULATES BETWEEN THE DISCRETE STEPS PROVIDED BY SAID REGULATOR IN ACCORDANCE WITH THE OUTPUT OF SAID AUXILIARY REGULATOR.
Claim 2
Dependent Claim
215 words
A RECTIFIER SYSTEM INCLUDING A TRANSFORMER CONNECTABLE TO AN A.-C. SOURCE, REGULATOR MEANS CONNECTED TO SAID TRANSFORMER AND OPERABLE TO ALTER THE OUTPUT VOLTAGE THEREOF BY DISCRETE STEPS, MOTOR MEANS CONNECTED TO REGULATOR MEANS TO ALTER THE CONDITION OF SAID REGULATOR, A RECTIFIER CONNECTED BETWEEN SAID TRANSFORMER AND AN OUTPUT SYSTEM, A PHASE CONTROL MEANS IN SAID RECTIFIER, SAID PHASE CONTROL MEANS BEING CONNECTED TO AN AUXILIARY REGUALTING MEANS; SAID AUXILIARY REGULATING MEANS HAVING AN INPUT CIRCUIT CONNECTED TO SAID RECTIFIFER AND AN OUTPUT CIRCUIT CONNECTED TO PHASE CONTROL MEANS, AND RELAY CONTROL MEANS CONNECTED TO SAID MOTOR AND OPERABLE TO A FIRST AND SECOND CONDITION TO CAUSE SAID MOTOR TO RESPECTIVELY INCREASE OR DECREASE THE OUTPUT OF SAID TRANSFORMER; SAID PHASE CONTROL MEANS HAVING A RANGE OF REGULATION SMALLER THAN THE RANGE OF REGULATION OF SAID REGULATOR; SAID OUTPUT CIRCUIT OF SAID AUXILIARY REGULATOR BEING FURTHER CONNECTED TO SAID RELAY CONTROL MEANS; SAID RELAY CONTROL MEANS BEING OPERABLE TO ITS AND FIRST CONDITION RESPONSIVE TO A FIRST OUTPUT LEVEL FROM SAID AUXILIARY REGULATOR AND BEING OPERABLE TO ITS SAID SECOND CONDITION RESPONSIVE TO A SECOND OUTPUT LEVEL FROM SAIS AUXILIARY REGULATOR, WHEREBY SAID PHASE CONTROL MEANS REGULATES BETWEEN THE DISCRETE STEPS PROVIDED BY SAID REGULATOR IN ACCORDANCE WITH THE OUTPUT OF SAID AUXILIARY REGULATOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |