US3152282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short-circuit limiting device
Assignee: BBC Brown Boveri AG Germany
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Filing: 1961-10-26
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Granted: 1964-10-06
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 Baltensperger Paul
- 👤 Dobsa Josip
- 👤 Hartmann Hans
- 👤 Eidinger Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:01
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/54; H01H33/00; H01H33/02; H01H33/04; H01H33/16; H02; H02H; H02H3/00; H02H3/02; H02H3/025; H02H7/00; H02H7/22; H02H7/222; H02H9/00; H02H9/02; H02H9/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN AN ARRANGEMENT FOR REDUCING THE ADVERSE EFFECT OF SHORT-CIRCUIT CURRENTS ON AN ELECTRICAL SWITCH CONNECTED IN SERIES WITH AN ELECTRICAL NETWORK, AND PARTICULARLY A NETWORK HAVING AN OVERHEAD TRANSMISSION LINE, FOR INTERRUPTING THE LINE, THE IMPROVEMENT WHEREIN A SATURABLE CHOKE HAVING AN IRON CORE IS CONNECTED IN SERIES WITH THE OVERHEAD LINE IN THE VICINITY OF SAID ELECTRICAL SWITCH SAID CHOKE BEING SATURATED AT CURRENT VALUES OF ABOUT ONEHUNDREDTH OF THE RATED CURRENT OF SAID SWITCH, AND THE INDUCTANCE OF SAID CHOKE WHEN IN AN UNSATURATED STATE BEING NOT GREATER THAN THE INDUCTANCE OF A SECTION OF SAID OVERHEAD LINE TEN KILOMETERS IN LENGTH.
Claim 2
Dependent Claim
105 words
IN AN ARRANGEMENT FOR REDUCING THE ADVERSE EFFECT OF SHORT-CIRCUIT CURRENTS ON AN ELECTRICAL SWITCH CONNECTED IN SERIES WITH AN ELECTRICAL NETWORK, AND PARTICULARLY A NETWORK HAVING AN OVERHEAD TRANSMISSION LINE, FOR INTERRUPTING THE LINE, THE IMPROVEMENT WHEREIN A SATURABLE CHOKE HAVING AN IRON CORE IS CONNECTED IN SERIES WITH THE OVERHEAD LINE IN THE VICINITY OF SAID ELECTRICAL SWITCH SAID CHOKE BEING SATURATED AT CURRENT VALUES OF ABOUT ONEHUNDREDTH OF THE RATED CURRENT OF SAID SWITCH, AND THE INDUCTANCE OF SAID CHOKE WHEN IN AN UNSATURATED STATE BEING NOT GREATER THAN THE INDUCTANCE OF A SECTION OF SAID OVERHEAD LINE TEN KILOMETERS IN LENGTH.
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |