US3153162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine
Assignee: Westinghouse Electric Corp
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Filing: 1962-05-23
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Granted: 1964-10-13
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Anthony Charles Edward
- 👤 James W French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:24
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/16; H02K17/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A ROTOR FOR A DYNAMOELECTRIC MACHINE COMPRISING A CYLINDRICAL CORE OF MAGNETIC MATERIAL, SAID CORE HAVING CIRCUMFERENTIALLY SPACED, AXIALLY EXTENDING SLOTS PARTIALLY CLOSED ABOUT ITS PERIPHERY, A PLURALITY OF CONDUCTING BARS RECEIVED IN SAID SLOTS AND SUBSTANTIALLY FILLING SAID SLOTS, A RING OF CONDUCTING MATERIAL SECURED TO THE CONDUCTING BARS AT EACH END OF THE CORE FOR ELECTRICALLY CONNECTING THE CONDUCTING BARS, SAID BARS BEING FORMED TO PROVIDE A TAPERED CLEARANCE BETWEEN THE TOP OF SAID SLOTS AND THE ADJACENT PORTION OF SAID BARS EXTENDING FROM POINTS ADJACENT THE CENTRAL PORTION OF EACH BAR TOWARD THE ENDS OF THE ROTOR.
Claim 2
Dependent Claim
100 words
A ROTOR FOR A DYNAMOELECTRIC MACHINE COMPRISING A CYLINDRICAL CORE OF MAGNETIC MATERIAL, SAID CORE HAVING CIRCUMFERENTIALLY SPACED, AXIALLY EXTENDING SLOTS PARTIALLY CLOSED ABOUT ITS PERIPHERY, A PLURALITY OF CONDUCTING BARS RECEIVED IN SAID SLOTS AND SUBSTANTIALLY FILLING SAID SLOTS, A RING OF CONDUCTING MATERIAL SECURED TO THE CONDUCTING BARS AT EACH END OF THE CORE FOR ELECTRICALLY CONNECTING THE CONDUCTING BARS, SAID BARS BEING FORMED TO PROVIDE A TAPERED CLEARANCE BETWEEN THE TOP OF SAID SLOTS AND THE ADJACENT PORTION OF SAID BARS EXTENDING FROM POINTS ADJACENT THE CENTRAL PORTION OF EACH BAR TOWARD THE ENDS OF THE ROTOR.
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |