US3281733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronous circuit breaker having a movable winding
Assignee: ABB Inc USA
•
Filing: 1964-10-13
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Granted: 1966-10-25
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Expires: 1984-10-13
Abstract
No abstract record available.
Inventors
- 👤 Jensen Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:31
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A SYNCHRONOUS CIRCUIT BREAKER COMPRISING A MAGNETIC STRUCTURE, AN ELONGATED AIR GAS IN SAID MAGNETIC STRUCTURE, A PAIR OF COOPERABLE CONTACTS, A FIRST WINDING WOUND ON SAID MAGNETIC STRUCTURE AND CONNECTED IN SERIES WITH SAID PAIR OF COOPERABLE CONTACTS, OPERATING MEANS CONNECTED TO ONE OF SAID PAIR OF COOPERABLE CONTACTS AND MOVABLE FOR MOVING SAID PAIR OF COOPERABLE CONTACTS INTO AND OUT OF ENGAGEMENT WITH ONE ANOTHER, A SECOND WINDING WOUND ON SAID MAGNETIC STRUCTURE, AND A THIRD WINDING CONNECTED IN SEREIS WITH SAID SECOND WINDING; SAID SECOND WINDING COUPLED TO SAID THIRD WINDING BY THE FLUX IN SAID MAGNETIC CORE, THEREBY TO ENERGIZE SAID THIRD WINDING RESPONSIVE TO THE CURRENT IN SAID FIRST WINDING; AND THIRD WINDING BEING POSITIONED IN SAID AIR GAP AND BEING IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THE MAGNETIC FLUX ACROSS SAID AIR GAP; SAID THIRD WINDING BEING MOVABLE IN A DIRECTION PERPENDICULAR TO THE DIRECTION OF THE MAGNETIC
Claim 2
Dependent Claim
154 words
A SYNCHRONOUS CIRCUIT BREAKER COMPRISING A MAGNETIC STRUCTURE, AN ELONGATED AIR GAS IN SAID MAGNETIC STRUCTURE, A PAIR OF COOPERABLE CONTACTS, A FIRST WINDING WOUND ON SAID MAGNETIC STRUCTURE AND CONNECTED IN SERIES WITH SAID PAIR OF COOPERABLE CONTACTS, OPERATING MEANS CONNECTED TO ONE OF SAID PAIR OF COOPERABLE CONTACTS AND MOVABLE FOR MOVING SAID PAIR OF COOPERABLE CONTACTS INTO AND OUT OF ENGAGEMENT WITH ONE ANOTHER, A SECOND WINDING WOUND ON SAID MAGNETIC STRUCTURE, AND A THIRD WINDING CONNECTED IN SEREIS WITH SAID SECOND WINDING; SAID SECOND WINDING COUPLED TO SAID THIRD WINDING BY THE FLUX IN SAID MAGNETIC CORE, THEREBY TO ENERGIZE SAID THIRD WINDING RESPONSIVE TO THE CURRENT IN SAID FIRST WINDING; AND THIRD WINDING BEING POSITIONED IN SAID AIR GAP AND BEING IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THE MAGNETIC FLUX ACROSS SAID AIR GAP; SAID THIRD WINDING BEING MOVABLE IN A DIRECTION PERPENDICULAR TO THE DIRECTION OF THE MAGNETIC
References Cited (Backward Citations)
US2546818A
Cited
US3215796A
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 |