Patent US2402063A successfully refreshed from Google Patents.
US3173061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooled semi-conductor rectifier assembly
Assignee: Maschinenfabrik Oerlikon AG
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Filing: 1961-09-01
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Granted: 1965-03-09
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Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Storsand Bjarne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:53
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/40; H10; H10W; H10W90/00; H01F27/408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A SEMI-CONDUCTOR RECTIFIER INSTALLATION COMPRISING: (A) A RECTIFIER TRANSFORMER HAVING A CORE AND A SERIES OF WINDINGS MOUNTED ON SAID CORE; (B) A CASING COMPLETELY ENCLOSING SAID TRANSFORMER, SAID CASING BEING FILLED WITH A LIQUID COOLANT SUCH AS OIL; (C) A CIRCULATORY CIRCUIT FOR SAID LIQUID INCLUDING AN INLET AND AN OUTLET PIPE CONNECTED TO SAID CASING, A PUMP FOR CIRCULATING SAID LIQUID, A COOLING ELEMENT OVER WHICH SAID LIQUID IS PASSED, AND METAL PIPES THROUGH WHICH SAID LIQUID FLOWS AND ARRANGED DIRECTLY ALONG THE OUTER SURFACE OF THE WALLS OF SAID CASING; (D) SEMI-CONDUCTOR DIODES FASTENED DIRECTLY TO SAID METAL PIPES; (E) ELECTRICAL CONNECTORS BETWEEN SAID TRANSFORMER WINDINGS WITHIN SAID CASING AND SAID DIODES OUTSIDE SAID CASING, AND (F) BUSHINGS IN THE WALLS OF SAID CASING FOR PROVIDING LEAK-TIGHT PASSAGEWAYS FOR SAID CONNECTIONS.
Claim 2
Dependent Claim
134 words
A SEMI-CONDUCTOR RECTIFIER INSTALLATION COMPRISING: (A) A RECTIFIER TRANSFORMER HAVING A CORE AND A SERIES OF WINDINGS MOUNTED ON SAID CORE; (B) A CASING COMPLETELY ENCLOSING SAID TRANSFORMER, SAID CASING BEING FILLED WITH A LIQUID COOLANT SUCH AS OIL; (C) A CIRCULATORY CIRCUIT FOR SAID LIQUID INCLUDING AN INLET AND AN OUTLET PIPE CONNECTED TO SAID CASING, A PUMP FOR CIRCULATING SAID LIQUID, A COOLING ELEMENT OVER WHICH SAID LIQUID IS PASSED, AND METAL PIPES THROUGH WHICH SAID LIQUID FLOWS AND ARRANGED DIRECTLY ALONG THE OUTER SURFACE OF THE WALLS OF SAID CASING; (D) SEMI-CONDUCTOR DIODES FASTENED DIRECTLY TO SAID METAL PIPES; (E) ELECTRICAL CONNECTORS BETWEEN SAID TRANSFORMER WINDINGS WITHIN SAID CASING AND SAID DIODES OUTSIDE SAID CASING, AND (F) BUSHINGS IN THE WALLS OF SAID CASING FOR PROVIDING LEAK-TIGHT PASSAGEWAYS FOR SAID CONNECTIONS.
References Cited (Backward Citations)
US2927250A
Cited
US2189909A
Cited
US2412989A
Cited
US2883591A
Cited
US2974263A
Cited
US2986679A
Cited
US3011105A
Cited
US3069615A
Cited
US2980828A
Cited
US3136924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |