US3281641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifier apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1963-03-22
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Granted: 1966-10-25
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Hodgson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
248 words
APPARATUS FOR CONVERTING A.C. TO D.C. COMPRISING A THREE-PHASE A.C. INPUT CIRCUIT HAVING FIRST, SECOND AND THIRD INPUT MEANS FOR CONNECTION TO THE RESPECTIVE PHASES OF A THREE-PHASE A.C. SOURCE, A SINGLE-PHASE A.C. INPUT CIRCUIT HAVING FIRST AND SECOND INPUT MEANS FOR CONNECTION TO OPPOSITE SIDES OF A SINGLE-PHASE A.C. SOURCE, FIRST AND SECOND D.C. OUTPUT MEANS OF OPPOSITE POLARITY, RESPECTIVE UNIDIRECTIONAL CIRCUIT ARMS A, B, C AND D, EACH OPERABLE TO PASS CURRENT FROM A PARTICULAR END OF THE ARM TO THE OTHER END OF THE ARM, SAID PARTICULAR ENDS OF ARMS A AND B BEING CONNECTED TO ONE OF SAID D.C. OUTPUT MEANS, SAID OTHER ENDS OF ARMS C AND D BEING CONNECTED TO THE OTHER D.C. OUTPUT MEANS, AND MEANS FOR SELECTIVELY CONNECTING SAID INPUT MEANS TO THE REMAINING ENDS OF SAID ARMS IN EITHER OF TWO CIRCUIT CONFIGURATIONS, IN ONE OF SAID CONFIGURATIONS SAID PARTICULR END OF ARM C AND SAID OTHER END OF ARM A BEING CONNECTED TO ONE OF SAID THREE-PHASE INPUT MEANS, SAID PARTICULAR END OF ARRM D BEING CONNECTED TO ANOTHER OF SAID THREE-PHASE MEANS AND SAID OTHER END OF ARM B BEING CONNECTED TO THE REMAINING THREE-PHASE INPUT MEANS, AND IN THE OTHER OF SAID CONFIGURATIONS SAID PARTICULAR END OF ARM C AND SAID OTHER END OF ARM A BEING CONNECTED TO ONE OF SAID SINGLE-PHASE INPUT MEANS, AND SAID PARTICULAR END OF ARM D AND SAID OTHER END OF ARM B BEING CONNECTED TOTHE OTHER SINGLE-PHASE INPUT MEANS.
Claim 2
Dependent Claim
248 words
APPARATUS FOR CONVERTING A.C. TO D.C. COMPRISING A THREE-PHASE A.C. INPUT CIRCUIT HAVING FIRST, SECOND AND THIRD INPUT MEANS FOR CONNECTION TO THE RESPECTIVE PHASES OF A THREE-PHASE A.C. SOURCE, A SINGLE-PHASE A.C. INPUT CIRCUIT HAVING FIRST AND SECOND INPUT MEANS FOR CONNECTION TO OPPOSITE SIDES OF A SINGLE-PHASE A.C. SOURCE, FIRST AND SECOND D.C. OUTPUT MEANS OF OPPOSITE POLARITY, RESPECTIVE UNIDIRECTIONAL CIRCUIT ARMS A, B, C AND D, EACH OPERABLE TO PASS CURRENT FROM A PARTICULAR END OF THE ARM TO THE OTHER END OF THE ARM, SAID PARTICULAR ENDS OF ARMS A AND B BEING CONNECTED TO ONE OF SAID D.C. OUTPUT MEANS, SAID OTHER ENDS OF ARMS C AND D BEING CONNECTED TO THE OTHER D.C. OUTPUT MEANS, AND MEANS FOR SELECTIVELY CONNECTING SAID INPUT MEANS TO THE REMAINING ENDS OF SAID ARMS IN EITHER OF TWO CIRCUIT CONFIGURATIONS, IN ONE OF SAID CONFIGURATIONS SAID PARTICULR END OF ARM C AND SAID OTHER END OF ARM A BEING CONNECTED TO ONE OF SAID THREE-PHASE INPUT MEANS, SAID PARTICULAR END OF ARRM D BEING CONNECTED TO ANOTHER OF SAID THREE-PHASE MEANS AND SAID OTHER END OF ARM B BEING CONNECTED TO THE REMAINING THREE-PHASE INPUT MEANS, AND IN THE OTHER OF SAID CONFIGURATIONS SAID PARTICULAR END OF ARM C AND SAID OTHER END OF ARM A BEING CONNECTED TO ONE OF SAID SINGLE-PHASE INPUT MEANS, AND SAID PARTICULAR END OF ARM D AND SAID OTHER END OF ARM B BEING CONNECTED TOTHE OTHER SINGLE-PHASE INPUT MEANS.
References Cited (Backward Citations)
US2444458A
Cited
US3009091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |