Patent US3150276A successfully refreshed from Google Patents.
US3150276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-cooled machines
Assignee: Eaton Corp
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Filing: 1961-01-13
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Granted: 1964-09-22
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Expires: 1981-01-13
Abstract
No abstract record available.
Inventors
- 👤 William H Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A LIQUID-COOLED ELECTRICAL MACHINE COMPRISING A POLAR FIELD MEMBER, AN INDUCTOR DRUM SURROUNDING SAID FIELD MEMBER AND SPACED THEREFROM BY A MAGNETIC GAP, A COOLANT DEFLECTOR ADJACENT THE OUTSIDE OF THE PERIPHERAL WALL OF SAID DRUM, SAID DEFLECTOR EXTENDING SUBSTANTIALLY AROUND SAID DRUM, A ROTATABLE MEMBER SUPPORTING SAID DRUM AT ONE END THEREOF, SAID ROTATABLE MEMBER HAVING A DAM-FORMING TROUGH ON THE INSIDE THEREOF, MEANS PROVIDING OPENINGS EXTENDING FROM THE INSIDE OF SAID ROTATABLE MEMBER FROM THE TROUGH TO THE OUTSIDE OF SAID DRUM, SAID TROUGH BEING ADAPTED TO RECEIVE COOLANT WHEN SAID ROTATABLE MEMBER IS ROTATED AND DELIVER COOLANT CENTRIFUGALLY TO SAID OPENINGS FOR MOVEMENT THERETHROUGH TOWARD SAID DEFLECTOR, SAID DEFLECTOR BEING ADAPTED TO REVERT COOLANT FROM SAID OPENINGS TOWARD SAID DRUM, MEANS FOR DELIVERING COOLANT TO SAID TROUGH, AND COMMUNICATING MEANS BETWEEN THE TROUGH AND AROUND SAID DAM ADAPTED TO CARRY ANY SPILL-OVER OF COOLANT FROM THE TROUGH OVER THE DAM TO SAID GAP, SAID DRUM BEING OPEN AT ITS OTHER END FOR ESCAPE OF COOLANT FROM THE GAP.
Claim 2
Dependent Claim
171 words
A LIQUID-COOLED ELECTRICAL MACHINE COMPRISING A POLAR FIELD MEMBER, AN INDUCTOR DRUM SURROUNDING SAID FIELD MEMBER AND SPACED THEREFROM BY A MAGNETIC GAP, A COOLANT DEFLECTOR ADJACENT THE OUTSIDE OF THE PERIPHERAL WALL OF SAID DRUM, SAID DEFLECTOR EXTENDING SUBSTANTIALLY AROUND SAID DRUM, A ROTATABLE MEMBER SUPPORTING SAID DRUM AT ONE END THEREOF, SAID ROTATABLE MEMBER HAVING A DAM-FORMING TROUGH ON THE INSIDE THEREOF, MEANS PROVIDING OPENINGS EXTENDING FROM THE INSIDE OF SAID ROTATABLE MEMBER FROM THE TROUGH TO THE OUTSIDE OF SAID DRUM, SAID TROUGH BEING ADAPTED TO RECEIVE COOLANT WHEN SAID ROTATABLE MEMBER IS ROTATED AND DELIVER COOLANT CENTRIFUGALLY TO SAID OPENINGS FOR MOVEMENT THERETHROUGH TOWARD SAID DEFLECTOR, SAID DEFLECTOR BEING ADAPTED TO REVERT COOLANT FROM SAID OPENINGS TOWARD SAID DRUM, MEANS FOR DELIVERING COOLANT TO SAID TROUGH, AND COMMUNICATING MEANS BETWEEN THE TROUGH AND AROUND SAID DAM ADAPTED TO CARRY ANY SPILL-OVER OF COOLANT FROM THE TROUGH OVER THE DAM TO SAID GAP, SAID DRUM BEING OPEN AT ITS OTHER END FOR ESCAPE OF COOLANT FROM THE GAP.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |