US3176175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical couplings
Assignee: Eaton Corp
•
Filing: 1962-08-27
•
Granted: 1965-03-30
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Jaeschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:10
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN ELECTRIC COUPLING COMPRISING A CASING CONTAINING POLE RING MEANS AND AN EXCITER COIL THEREFOR, A ROTARY INDUCTOR DRUM ASSEMBLY WITHIN, SAID RING FORMING AN OUTER PARASITIC GAP THEREWITH, A POLARIZED ROTOR WITHIN THE DRUM ASSEMBLY AND PROVIDING AN INNER WORKING GAP THEREWITH, MEANS ADAPTED TO INTRODUCE COOLANT INTO ONE END OF THE DRUM ASSEMBLY FOR AXIAL MOVEMENT THERETHROUGH, THE DRUM ASSEMBLY HAVING AN OPENING AT ITS OTHER END FOR ESCAPE OF COOLANT THEREFROM AFTER PASSAGE THROUGH SAID WORKING GAP, AND MEANS PROVIDING AT LEAST ONE PRESSURE-EQUALIZING OPENING MEANS COMMUNICATING BETWEEN SPACES IN THE CASING ON OPPOSITE SIDES OF THE POLE RING MEANS.
Claim 2
Dependent Claim
103 words
AN ELECTRIC COUPLING COMPRISING A CASING CONTAINING POLE RING MEANS AND AN EXCITER COIL THEREFOR, A ROTARY INDUCTOR DRUM ASSEMBLY WITHIN, SAID RING FORMING AN OUTER PARASITIC GAP THEREWITH, A POLARIZED ROTOR WITHIN THE DRUM ASSEMBLY AND PROVIDING AN INNER WORKING GAP THEREWITH, MEANS ADAPTED TO INTRODUCE COOLANT INTO ONE END OF THE DRUM ASSEMBLY FOR AXIAL MOVEMENT THERETHROUGH, THE DRUM ASSEMBLY HAVING AN OPENING AT ITS OTHER END FOR ESCAPE OF COOLANT THEREFROM AFTER PASSAGE THROUGH SAID WORKING GAP, AND MEANS PROVIDING AT LEAST ONE PRESSURE-EQUALIZING OPENING MEANS COMMUNICATING BETWEEN SPACES IN THE CASING ON OPPOSITE SIDES OF THE POLE RING MEANS.
References Cited (Backward Citations)
US3119034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |