Patent US3154705A successfully refreshed from Google Patents.
US3154705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balance weight arrangement for dynamoelectric machines
Assignee: General Electric Co
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Filing: 1961-05-29
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Granted: 1964-10-27
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jack L Essenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:31
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN AN ELECTRIC MOTOR HAVING A STATOR AND A FRAME ASSEMBLY, A SHAFT, A ROTOR MOUNTED ON SAID SHAFT AND COMPRISED OF A BODY OF MAGNETIC MATERIAL FORMED WITH A PLURALITY OF SLOTS FOR ACCOMMODATING ROTOR CONDUCTORS, A PLURALITY OF ROTOR CONDUCTORS POSITIONED IN SAID SLOTS, MEANS FOR ROTATABLY SUPPORTING SAID SHAFT, A PAIR OF END RINGS DISPOSED AT THE RESPECTIVE ENDS OF SAID ROTOR, AND JOINING SAID ROTOR CONDUCTORS, AT LEAST ONE BALANCE WEIGHT SECURED ADJACENT SAID END RING, SAID BALANCE WEIGHT BEING COMPRISED OF NONMAGNETIC MATERIAL, AND ELECTRICAL INSULATING MEANS INTERPOSED BETWEEN SAID END RING AND SAID BALANCE WEIGHT TO ELECTRICALLY INSULATE SAID BALANCE WEIGHT FROM SAID END RING.
Claim 2
Dependent Claim
111 words
IN AN ELECTRIC MOTOR HAVING A STATOR AND A FRAME ASSEMBLY, A SHAFT, A ROTOR MOUNTED ON SAID SHAFT AND COMPRISED OF A BODY OF MAGNETIC MATERIAL FORMED WITH A PLURALITY OF SLOTS FOR ACCOMMODATING ROTOR CONDUCTORS, A PLURALITY OF ROTOR CONDUCTORS POSITIONED IN SAID SLOTS, MEANS FOR ROTATABLY SUPPORTING SAID SHAFT, A PAIR OF END RINGS DISPOSED AT THE RESPECTIVE ENDS OF SAID ROTOR, AND JOINING SAID ROTOR CONDUCTORS, AT LEAST ONE BALANCE WEIGHT SECURED ADJACENT SAID END RING, SAID BALANCE WEIGHT BEING COMPRISED OF NONMAGNETIC MATERIAL, AND ELECTRICAL INSULATING MEANS INTERPOSED BETWEEN SAID END RING AND SAID BALANCE WEIGHT TO ELECTRICALLY INSULATE SAID BALANCE WEIGHT FROM SAID END RING.
References Cited (Backward Citations)
US2316635A
Cited
US2558737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |