Patent US3168666A successfully refreshed from Google Patents.
US3168666A
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Dynamoelectric machine electrical collector assembly using liquid metal
Assignee: General Electric Co
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Filing: 1962-12-26
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Granted: 1965-02-02
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Lloyd P Grobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:46
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/18; H01R39/30; H01R39/64; H01R39/646; H02; H02K; H02K13/00; H02K13/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A LIQUID METAL COLLECTOR COMPRISING: A ROTATING SHAFT SUBJECT TO AXIAL MOVEMENTS, A COLLECTOR ROTOR COMPRISING A CYLINDRICAL CONDUCTIVE RING DISPOSED ON THE SHAFT TO ROTATE THEREWITH AND ALSO INSULATED THEREFROM, SAID RING DEFINING A RADIALLY EXTENDING V-SHAPED FLANGED, A CONDUCTIVE COLLECTOR STATOR DISPOSED ABOUT SAID ROTOR AND DEFINING A BORE HAVING A CIRCUMFERENTIAL V-SHAPED TROUGH FORMING CLOSE CLEARANCES WITH SAID FLANGE. A QUANTITY OF ELECTRICALLY-CONDUCTIVE LIQUID METAL DISPOSED BETWEEN THE FLANGE AND TROUGH AND HELD IN THE RADIALLY OUTERMOST PORTIONS OF THE TROUGH BY PUMPING ACTION OF THE FLANGE, SEALING MEANS FOR PREVENTING LEAKAGE OF SAID LIQUID METAL AXIALLY BETWEEN THE ROTOR AND STATOR,
Claim 2
Dependent Claim
105 words
A LIQUID METAL COLLECTOR COMPRISING: A ROTATING SHAFT SUBJECT TO AXIAL MOVEMENTS, A COLLECTOR ROTOR COMPRISING A CYLINDRICAL CONDUCTIVE RING DISPOSED ON THE SHAFT TO ROTATE THEREWITH AND ALSO INSULATED THEREFROM, SAID RING DEFINING A RADIALLY EXTENDING V-SHAPED FLANGED, A CONDUCTIVE COLLECTOR STATOR DISPOSED ABOUT SAID ROTOR AND DEFINING A BORE HAVING A CIRCUMFERENTIAL V-SHAPED TROUGH FORMING CLOSE CLEARANCES WITH SAID FLANGE. A QUANTITY OF ELECTRICALLY-CONDUCTIVE LIQUID METAL DISPOSED BETWEEN THE FLANGE AND TROUGH AND HELD IN THE RADIALLY OUTERMOST PORTIONS OF THE TROUGH BY PUMPING ACTION OF THE FLANGE, SEALING MEANS FOR PREVENTING LEAKAGE OF SAID LIQUID METAL AXIALLY BETWEEN THE ROTOR AND STATOR,
References Cited (Backward Citations)
US2044180A
Cited
US2845554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |