US3601643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antierosion feed slot for liquid metal collector
Assignee: General Electric Co
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Filing: 1970-03-05
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Granted: 1971-08-24
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Expires: 1990-03-05
Abstract
Abstract In a liquid metal collector of the rotatable cup-type, the stationary member is provided with a segmented conductor blade such that a circumferential liquid feed groove and circumferential liquid pressure groove are formed between rings. At the bottom of each groove, respectively, a pressure pickup hole and feed hole are provided such that the proper level of liquid metal is maintained in the rotatable cup. By placing the pressure pickup hole and feed hole where the liquid metal velocity is relatively quiescent, erosion of the conductor ring at the discontinuities is prevented.
Inventors
- 👤 Gerd E Krulls
- 👤 William L Durrwang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:00
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/18; H01R39/30; H01R39/64; H01R39/646
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
127 words
A liquid metal collector for a dynamoelectric machine of the type having a rotatable cup member containing a quantity of electrically conductive liquid metal; a stationary member on which there are means to mount an annUlar conductor blade including at least two circumferential rings held together such that they define a smooth circumferential groove; said conductor blade so constructed and arranged as to be partially immersed in the rotating liquid metal during operation; and the groove extending radially inward from a position on the periphery of the conductor blade, and conduit means defined within said stationary member and communicating with said groove by means of an opening into the bottom part of said groove, so that the opening is less subject to erosion from the rotating metal.
Claim 2
Dependent Claim
127 words
A liquid metal collector for a dynamoelectric machine of the type having a rotatable cup member containing a quantity of electrically conductive liquid metal; a stationary member on which there are means to mount an annUlar conductor blade including at least two circumferential rings held together such that they define a smooth circumferential groove; said conductor blade so constructed and arranged as to be partially immersed in the rotating liquid metal during operation; and the groove extending radially inward from a position on the periphery of the conductor blade, and conduit means defined within said stationary member and communicating with said groove by means of an opening into the bottom part of said groove, so that the opening is less subject to erosion from the rotating metal.
Claim 3
Dependent Claim
46 words
The liquid metal collector as recited in claim 1 wherein there are three circumferential rings; a central primary current carrying ring of greater diameter having partially tapered outer edges, and a pair of side rings of lesser diameter juxtaposed on opposite sides of the central ring.
References Cited (Backward Citations)
US3191082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-23 | 1975-02-22 | 1975-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-23 | 1979-02-22 | 1979-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-23 | 1983-02-22 | 1983-08-24 | $7700.00 | Window Closed / Lapsed |