US3191082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine electric current transferring arrangements
Assignee: Associated Electrical Industries Ltd
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Filing: 1962-08-10
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Granted: 1965-06-22
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Expires: 1982-08-10
Abstract
No abstract record available.
Inventors
- 👤 Csillag Istvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:50
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/64; H01R39/646; H01R39/02; H01R39/18; H01R39/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN ARRANGEMENT FOR PROVIDING AN ELECTRIC CURRENT PATH BETWEEN A ROTATABLE CONDUCTIVE MEMBER AND A STATIONARY CONDUCTIVE MEMBER COMPRISING A ROTATABLE PART DEFINING AN ANNULAR CHAMBER COAXIAL WITH THE AXIS OF ROTATION AND HAVING A RADIALLY INNER WALL FORMED WITH AN ANNULAR ENTRANCE TO SAID CHAMBER, AN ANNULAR STATIONARY PART WHICH EXTENDS THROUGH SAID ENTRANCE INTO SAID CHAMBER, THE DIMENSIONS OF THE STATIONARY PART MEASURED AXIALLY WITHIN THE CHAMBER AND WHERE IT PASSES THROUGH THE ENTRANCE BEING SMALLER THAN THE CORRESPONDING DIMESIONS OF THE CHAMBER AND OF THE ENTRANCE TO AN EXTENT PERMITTING SUBSTANTIAL AXIAL PLAY BETWEEN SAID PARTS, AND A QUANTITY OF CONDUCTIVE LIQUID IN SAID CHAMBER SUFFICIENT TO IMMERSE A PORTION OF THE STATIONARY PART WHEN THE CONDUCTIVE LIQUID IS COMPELLED TO FORM AN ANNULUS IN SAID CHAMBER BY ROTATION OF THE ROTATABLE PART.
Claim 2
Dependent Claim
136 words
AN ARRANGEMENT FOR PROVIDING AN ELECTRIC CURRENT PATH BETWEEN A ROTATABLE CONDUCTIVE MEMBER AND A STATIONARY CONDUCTIVE MEMBER COMPRISING A ROTATABLE PART DEFINING AN ANNULAR CHAMBER COAXIAL WITH THE AXIS OF ROTATION AND HAVING A RADIALLY INNER WALL FORMED WITH AN ANNULAR ENTRANCE TO SAID CHAMBER, AN ANNULAR STATIONARY PART WHICH EXTENDS THROUGH SAID ENTRANCE INTO SAID CHAMBER, THE DIMENSIONS OF THE STATIONARY PART MEASURED AXIALLY WITHIN THE CHAMBER AND WHERE IT PASSES THROUGH THE ENTRANCE BEING SMALLER THAN THE CORRESPONDING DIMESIONS OF THE CHAMBER AND OF THE ENTRANCE TO AN EXTENT PERMITTING SUBSTANTIAL AXIAL PLAY BETWEEN SAID PARTS, AND A QUANTITY OF CONDUCTIVE LIQUID IN SAID CHAMBER SUFFICIENT TO IMMERSE A PORTION OF THE STATIONARY PART WHEN THE CONDUCTIVE LIQUID IS COMPELLED TO FORM AN ANNULUS IN SAID CHAMBER BY ROTATION OF THE ROTATABLE PART.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |