Patent EP0107059A1 successfully refreshed from Google Patents.
US3201684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual voltage transformer winding connection
Assignee: Westinghouse Electric Corp
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Filing: 1961-09-29
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Granted: 1965-08-17
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond T Nygren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:46
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/04; H02H7/055; H01; H01H; H01H9/00; H01H9/0005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A DUAL VOLTAGE MULTI-WINDING TRANSFORMER HAVING A PLURALITY OF PRIMARY WINDING AND A SECONDARY WINDING, A SWITCH OPERABLE TO CONNECT THE TRANSFORMER PRIMARY WINDINGS IN A SERIES CIRCUIT RELATIONSHIP OR A PARALLEL CIRCUIT RELATION SHIP BETWEEN AN ALTERNATING CURRENT POTENTIAL AND GROUND, A FIRST AND SECOND FUSE, SAID FIRST AND SECOND FUSES BEING CONNECTED BETWEEN SAID PLURALITY OF PRIMARY WINDINGS AND SAID ALTERNATING CURRENT POTENTIAL SUCH THAT SAID FIRST FUSE IS CONNECTED BETWEEN SAID ALTERNATING CURRENT POTENTIAL AND SAID PLURALITY OF PRIMARY WINDINGS WHEN SAID PLURALITY OF PRIMARY WINDINGS ARE CONNECTED IN SERIES CIRCUIT RELATIONSHIP AND BOTH OF SAID FIRST AND SECOND FUSES ARE CONNECTED BETWEEN SAID ALTERNATING CURRENT POTENTIAL AND SAID PLURALITY OF PRIMARY WINDINGS WHEN SAID PLURALITY OF PRIMARY WINDINGS ARE CONNECTED IN PARALLEL CIRCUIT RELATIONSHIP, SAID FIRST AND SECOND FUSE BEING OPERABLE TO PREVENT OVERVOLTAGE AT THE SECONDARY WINDING OUTPUT ON A PRIMARY WINDINGTO-GROUND FAULT.
Claim 2
Dependent Claim
148 words
A DUAL VOLTAGE MULTI-WINDING TRANSFORMER HAVING A PLURALITY OF PRIMARY WINDING AND A SECONDARY WINDING, A SWITCH OPERABLE TO CONNECT THE TRANSFORMER PRIMARY WINDINGS IN A SERIES CIRCUIT RELATIONSHIP OR A PARALLEL CIRCUIT RELATION SHIP BETWEEN AN ALTERNATING CURRENT POTENTIAL AND GROUND, A FIRST AND SECOND FUSE, SAID FIRST AND SECOND FUSES BEING CONNECTED BETWEEN SAID PLURALITY OF PRIMARY WINDINGS AND SAID ALTERNATING CURRENT POTENTIAL SUCH THAT SAID FIRST FUSE IS CONNECTED BETWEEN SAID ALTERNATING CURRENT POTENTIAL AND SAID PLURALITY OF PRIMARY WINDINGS WHEN SAID PLURALITY OF PRIMARY WINDINGS ARE CONNECTED IN SERIES CIRCUIT RELATIONSHIP AND BOTH OF SAID FIRST AND SECOND FUSES ARE CONNECTED BETWEEN SAID ALTERNATING CURRENT POTENTIAL AND SAID PLURALITY OF PRIMARY WINDINGS WHEN SAID PLURALITY OF PRIMARY WINDINGS ARE CONNECTED IN PARALLEL CIRCUIT RELATIONSHIP, SAID FIRST AND SECOND FUSE BEING OPERABLE TO PREVENT OVERVOLTAGE AT THE SECONDARY WINDING OUTPUT ON A PRIMARY WINDINGTO-GROUND FAULT.
References Cited (Backward Citations)
US1774417A
Cited
US2464061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |