Patent US3089046A successfully refreshed from Google Patents.
US3089046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-cooled and-lubricated electric machine
Assignee: Eaton Corp
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Filing: 1960-03-28
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Granted: 1963-05-07
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Jaeschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:41
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
AN ELECTRIC COUPLING COMPRISING AN ENCLOSING VAPORTIGHT CASING HAVING END SUPPORTS FOR FIRST AND SECOND SETS OF ROLLER-TYPE END BEARING AND A THIRD ROLLER-TYPE BEARING, DRIVING AND DRIVEN SHAFTS SUPPORTED IN SAID FIRST AND SECOND BEARINGS RESPECTIVELY, SAID DRIVEN SHAFT SUPPORTING A FIELD POLE MEMBER, A DRUM IN THE CASING SURROUNDING SAID FIELD POLE MEMBER AND SUPPORTED AT ONE END BY SAID THIRD BEARING, A FOURTH ROLLER-TYPE PILOT BEARING BETWEEN THE DRUM AND THE POLE MEMBER, SAID CASING HAVING INLET AND OUTLET PORTS, MEANS ADAPTED TO ADMIT LUBRICATING COOLANT FROM SAID INLET PORT INTO THE DRUM AT ONE END THEREOF AND EXIT MEANS THEREFOR AT THE OTHER END OF THE DRUM, WHEREBY LIQUID COOLANT IS CIRCULATED THROUGH THE DRUM BETWEEN IT AND SAID POLE MEMBER WHILE FORMING A LUBRICANT MIST INSIDE AND OUTSIDE THE DRUM, MEANS ADAPTED TO CARRY SOME OF THE MIST THROUGH SAID SECOND AND THIRD BEARING FROM THE CASING AND INTO THE DRUM, MEANS ADAPTED TO CARRY
Claim 2
Dependent Claim
160 words
AN ELECTRIC COUPLING COMPRISING AN ENCLOSING VAPORTIGHT CASING HAVING END SUPPORTS FOR FIRST AND SECOND SETS OF ROLLER-TYPE END BEARING AND A THIRD ROLLER-TYPE BEARING, DRIVING AND DRIVEN SHAFTS SUPPORTED IN SAID FIRST AND SECOND BEARINGS RESPECTIVELY, SAID DRIVEN SHAFT SUPPORTING A FIELD POLE MEMBER, A DRUM IN THE CASING SURROUNDING SAID FIELD POLE MEMBER AND SUPPORTED AT ONE END BY SAID THIRD BEARING, A FOURTH ROLLER-TYPE PILOT BEARING BETWEEN THE DRUM AND THE POLE MEMBER, SAID CASING HAVING INLET AND OUTLET PORTS, MEANS ADAPTED TO ADMIT LUBRICATING COOLANT FROM SAID INLET PORT INTO THE DRUM AT ONE END THEREOF AND EXIT MEANS THEREFOR AT THE OTHER END OF THE DRUM, WHEREBY LIQUID COOLANT IS CIRCULATED THROUGH THE DRUM BETWEEN IT AND SAID POLE MEMBER WHILE FORMING A LUBRICANT MIST INSIDE AND OUTSIDE THE DRUM, MEANS ADAPTED TO CARRY SOME OF THE MIST THROUGH SAID SECOND AND THIRD BEARING FROM THE CASING AND INTO THE DRUM, MEANS ADAPTED TO CARRY
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |