US3354330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machine carrying radially mounted rectifiers
Assignee: Maschinenfabrik Oerlikon AG
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Filing: 1965-10-29
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Granted: 1967-11-21
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Expires: 1985-10-29
Abstract
No abstract record available.
Inventors
- 👤 Storsand Bjarne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:25
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/34; H; H02; H02K; H02K11/00; H02K11/04; H02K11/042; Y; Y10; Y10S; Y10S257/00; Y10S257/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A DYNAMO-ELECTRIC MACHINE, A ROTOR HAVING WINDINGS, A HOLLOW ROTOR SHAFT, A BUS-BAR CONCENTRICALLY SECURED WITHIN SAID SHAFT IN COAXIAL INSULATED RELATION THERETO, A RECTIFIER HOUSING EXTENDING THROUGH SAID HOLLOW SHAFT AND MOUNTED ON SAID BUS-BAR IN RADIAL DISPOSITION, SAID HOLLOW SHAFT HAVING A RADIAL OPENING THROUGH WHICH SAID HOUSING MAY BE INSERTED AND WITHDRAWN WITH RESPECT TO THE BUS-BAR, THE MOUNTING OF THE HOUSING BEING SUCH THAT IT MAY BE READILY INSERTED AND REMOVED, A SEMI-CONDUCTOR RECTIFIER WITHIN SAID HOUSING, AND MEANS ELECTRICALLY CONNECTING SAID RECTIFIER IN INTERPOSED RELATION BETWEEN A ROTOR WINDING AND SAID BUS-BAR.
Claim 2
Dependent Claim
98 words
IN A DYNAMO-ELECTRIC MACHINE, A ROTOR HAVING WINDINGS, A HOLLOW ROTOR SHAFT, A BUS-BAR CONCENTRICALLY SECURED WITHIN SAID SHAFT IN COAXIAL INSULATED RELATION THERETO, A RECTIFIER HOUSING EXTENDING THROUGH SAID HOLLOW SHAFT AND MOUNTED ON SAID BUS-BAR IN RADIAL DISPOSITION, SAID HOLLOW SHAFT HAVING A RADIAL OPENING THROUGH WHICH SAID HOUSING MAY BE INSERTED AND WITHDRAWN WITH RESPECT TO THE BUS-BAR, THE MOUNTING OF THE HOUSING BEING SUCH THAT IT MAY BE READILY INSERTED AND REMOVED, A SEMI-CONDUCTOR RECTIFIER WITHIN SAID HOUSING, AND MEANS ELECTRICALLY CONNECTING SAID RECTIFIER IN INTERPOSED RELATION BETWEEN A ROTOR WINDING AND SAID BUS-BAR.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |