US3250864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating transformers having a large number of taps
Assignee: Scheubeck GmbH and Co
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Filing: 1963-06-18
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Granted: 1966-05-10
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Bleibtreu Alexander
- 👤 Baumgartner Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:43
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/02; H01F29/04; H01F29/14; H01F29/143; H01H; H01H9/00; H01H9/0005; H01H9/0027; H01H3/00; H01H3/32; H01H3/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
339 words
A REGULATING TRANSFORMER COMPRISING IN COMBINATION: (A) A TRANSFORMER WINDING HAVING A PLURALITY OF ODD TAPS AND HAVING A PLURALITY OF EVEN TAPS; (B) A TRANSFER SWITCH HAVING A PAIR OF TERMINALS; (C) A SELECTOR SWITCH FOR SELECTIVELY CONNECTING TO SAID TRANSFER SWITCH TAPS OF SAID WINDING, SAID SELECTOR SWITCH INCLUDING A PAIR OF SWITCH STACKS ARRANGED SIDE BY SIDE AT SUBSTANTIALLY THE SAME LEVEL, EACH OF SAID PAIR OF STACKS INCLUDING TWO SUPERIMPOSED SELECTOR SWITCH SUB-UNITS, EACH SELECTOR SWITCH SUB-UNIT HAVING A CENTER CONTACT, A PLURALITY OF FIXED TAP CONTACTS AND AN AUXILIARY FIXED CONTACT ARRANGED IN A CIRCLE AROUND SAID CENTER CONTACT, AND EACH SELECTOR SWITCH UNIT FURTHER HAVING A PIVOTABLE CONTACT BRIDGE FOR SELECTIVELY CONNECTING SAID CENTER CONTACT WITH EACH OF SAID PLURALITY OF TAP CONTACTS AN D WITH SAID AUXILIARY CONTACT; (D) LEADS CONNECTING A PORTION OF SAID PLURALITY OF ODD TAPS TO SELECTOR SWITCH SUB-UNIT FORMING PART OF ONE OF SAID PAIR OF STACKS AND LEAD CONNECTING ANOTHER PORTION OF SAID PLURALITY OF ODD TAPS TO A SELECTOR SWITCH SUB-UNIT FORMING PART OF THE OTHER OF SAID PAIR OF STACKS; (E) LEADS CONNECTING A PORTION OF PLURALITY OF EVEN TAPS TO A SELECTOR SWITCH SUB-UNIT FORMING PART OF ONE OF SAID PAIR OF STACKS AND LEADS CONNECTING ANOTHER PORTION OF SAID PLURALITY OF EVEN TAPS TO A SELECTOR SWITCH SUB-UNIT FORMING PART OF THE OTHER OF SAID PAIR OF STACKS; (F) LEADS INTER-CONNECTING THE CENTER CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF ODD TAPS; (G) LEADS INTER-CONNECTING THE CENTER CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF EVEN TAPS; (H) LEADS CONNECTING THE AUXILIARY CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF ODD TAPS TO ONE OF SAID PAIR OF TERMINALS OF SAID TRANSFER SWITCH; AND (I) LEADS CONNECTING THE AUXILIARY CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF EVEN TAPS TO THE OTHER OF SAID PAIR OF TERMINALS OF SAID TRANSFER SWITCH.
Claim 2
Dependent Claim
339 words
A REGULATING TRANSFORMER COMPRISING IN COMBINATION: (A) A TRANSFORMER WINDING HAVING A PLURALITY OF ODD TAPS AND HAVING A PLURALITY OF EVEN TAPS; (B) A TRANSFER SWITCH HAVING A PAIR OF TERMINALS; (C) A SELECTOR SWITCH FOR SELECTIVELY CONNECTING TO SAID TRANSFER SWITCH TAPS OF SAID WINDING, SAID SELECTOR SWITCH INCLUDING A PAIR OF SWITCH STACKS ARRANGED SIDE BY SIDE AT SUBSTANTIALLY THE SAME LEVEL, EACH OF SAID PAIR OF STACKS INCLUDING TWO SUPERIMPOSED SELECTOR SWITCH SUB-UNITS, EACH SELECTOR SWITCH SUB-UNIT HAVING A CENTER CONTACT, A PLURALITY OF FIXED TAP CONTACTS AND AN AUXILIARY FIXED CONTACT ARRANGED IN A CIRCLE AROUND SAID CENTER CONTACT, AND EACH SELECTOR SWITCH UNIT FURTHER HAVING A PIVOTABLE CONTACT BRIDGE FOR SELECTIVELY CONNECTING SAID CENTER CONTACT WITH EACH OF SAID PLURALITY OF TAP CONTACTS AN D WITH SAID AUXILIARY CONTACT; (D) LEADS CONNECTING A PORTION OF SAID PLURALITY OF ODD TAPS TO SELECTOR SWITCH SUB-UNIT FORMING PART OF ONE OF SAID PAIR OF STACKS AND LEAD CONNECTING ANOTHER PORTION OF SAID PLURALITY OF ODD TAPS TO A SELECTOR SWITCH SUB-UNIT FORMING PART OF THE OTHER OF SAID PAIR OF STACKS; (E) LEADS CONNECTING A PORTION OF PLURALITY OF EVEN TAPS TO A SELECTOR SWITCH SUB-UNIT FORMING PART OF ONE OF SAID PAIR OF STACKS AND LEADS CONNECTING ANOTHER PORTION OF SAID PLURALITY OF EVEN TAPS TO A SELECTOR SWITCH SUB-UNIT FORMING PART OF THE OTHER OF SAID PAIR OF STACKS; (F) LEADS INTER-CONNECTING THE CENTER CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF ODD TAPS; (G) LEADS INTER-CONNECTING THE CENTER CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF EVEN TAPS; (H) LEADS CONNECTING THE AUXILIARY CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF ODD TAPS TO ONE OF SAID PAIR OF TERMINALS OF SAID TRANSFER SWITCH; AND (I) LEADS CONNECTING THE AUXILIARY CONTACTS OF SELECTOR SWITCH SUB-UNITS HAVING TAP CONTACTS CONNECTED TO SAID PLURALITY OF EVEN TAPS TO THE OTHER OF SAID PAIR OF TERMINALS OF SAID TRANSFER SWITCH.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |