US3295084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer having a magnetic core comprising a main flux path having one definite grain orientation and a shunt flux path having a different definite grain orientation
Assignee: Westinghouse Electric Corp
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Filing: 1964-12-10
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Granted: 1966-12-27
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Horstman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:12
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/08; H01F27/00; H01F27/24; H01F27/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A TRANSFORMER COMPRISING A FOUR SIDED MAIN MAGNETIC CIRCUIT FOR CARRYING FLUX, SAID MAIN MAGNETIC CIRCUIT BEING FORMED FROM LAMINATIONS OF MAGNETIC SHEET STEEL HAVING A DEFINITE GRAIN ORIENTATION, A PRIMARY WINDING FOR CARRYING CURRENT ON ONE SIDE OF SAID MAIN MAGNETIC CIRCUIT, A SECONDARY WINDING FOR CARRYING CURRENT ON THE OPPOSITE SIDE OF SAID MAIN MAGNETIC CIRCUIT FROM SAID PRIMARY WINDING, A SHUNT MAGNETIC CIRCUIT CONNECTED TO SAID MAIN MAGNETIC CIRCUIT INTERMEDIATE SAID TWO WINDING SIDES, SAID SHUNT MEGNETIC CIRCUIT COMPRISING LAMINATIONS OF MAGNETIC SHEET STEEL HAVING A DEFINITE GRAIN ORIENTATION, THE LAMINATIONS OF AT LEAST ONE OF SAID MAGNETIC CIRCUITS BEING GRAIN ORIENTED IN AT LEAST TWO DIRECTIONS, THE MAGNETIC CIRCUIT FROM SAID PRIMARY WINDING THROUGH SAID SECONDARY WINDING AND BACK THROUGH SAID PRIMARY WINDING HAVING LESS RELUTANCE THAN THE MAGNETIC CIRCUIT FROM SAID PRIMARY WINDING THROUGH SAID SHUNT MAGNETIC CIRCUIT AND BACK THROUGH SAID PRIMARY WINDIND, AND THE
Claim 2
Dependent Claim
151 words
A TRANSFORMER COMPRISING A FOUR SIDED MAIN MAGNETIC CIRCUIT FOR CARRYING FLUX, SAID MAIN MAGNETIC CIRCUIT BEING FORMED FROM LAMINATIONS OF MAGNETIC SHEET STEEL HAVING A DEFINITE GRAIN ORIENTATION, A PRIMARY WINDING FOR CARRYING CURRENT ON ONE SIDE OF SAID MAIN MAGNETIC CIRCUIT, A SECONDARY WINDING FOR CARRYING CURRENT ON THE OPPOSITE SIDE OF SAID MAIN MAGNETIC CIRCUIT FROM SAID PRIMARY WINDING, A SHUNT MAGNETIC CIRCUIT CONNECTED TO SAID MAIN MAGNETIC CIRCUIT INTERMEDIATE SAID TWO WINDING SIDES, SAID SHUNT MEGNETIC CIRCUIT COMPRISING LAMINATIONS OF MAGNETIC SHEET STEEL HAVING A DEFINITE GRAIN ORIENTATION, THE LAMINATIONS OF AT LEAST ONE OF SAID MAGNETIC CIRCUITS BEING GRAIN ORIENTED IN AT LEAST TWO DIRECTIONS, THE MAGNETIC CIRCUIT FROM SAID PRIMARY WINDING THROUGH SAID SECONDARY WINDING AND BACK THROUGH SAID PRIMARY WINDING HAVING LESS RELUTANCE THAN THE MAGNETIC CIRCUIT FROM SAID PRIMARY WINDING THROUGH SAID SHUNT MAGNETIC CIRCUIT AND BACK THROUGH SAID PRIMARY WINDIND, AND THE
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |