US3260209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic pump
Assignee: General Electric Co
•
Filing: 1962-01-16
•
Granted: 1966-07-12
•
Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Rhudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:43
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/02; H02K44/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
AN ELECTROMAGNETIC PUMP CONSISTING A HOUSING ENCLOSING A MAGNETIC CORE HAVING WINDINGS DISPOSED THEREIN, RADIAL AND AXIALLY EXTENDING DUCTS IN SAID CORE FOR PERMITTING THE INTRODUCTION OF A COOLANT FOR FLOW THROUGH THE CORE AND ACROSS THE ENDS TURNS OF SAID WINDING TO REMOVE THE HEAT GENERATED WHEN THE WINDINGS ARE ENERGIZED, A HOLLOW CYLINDER LOCATED WITHIN AN ENCLOSURE POSITIONED IN THE BORE OF THE CORE, VANES ATTACHED AT THEIR INNER SURFACE ON SAID CYLINDER AND IN CONTACT WITH THE INNER SURFACE OF THE ENCLOSURE FOR ESTABLISHING A CONTINUOUS PASSAGEWAY THROUGH WHICH LIQUID METAL IS CIRCULATED WHEN THE WINDING IS ENERGIZED, AN INLET TO SAID ENCLOSURE THROUGH WHICH THE LIQUID METAL FLOWS TO THE PASSAGEWAY AND AN OUTLET CONNECTED WITH SAID CYLINDER, THE DISPOSITION OF THE CYLINDER AND ENCLOSURE AND THE INLET AND OUTLET BEING SUCH THAT LIQUID METAL INTRODUCED THROUGH THE INLET FLOLWS THROUGH SAID PASSAGEWAYS AND IS RETURNED AXIALLY THROUGH THE CYLINDER FOR DISCHARGE THROUGH THE OUTLET WHICH IS LOCATED ON THE SAME SIDE OF THE CYLINDER AS THE ENCLOSURE INLET, AND INSULATION MEANS DISPOSED BETWEEN THE OUTER SURFACE OF THE ENCLOSURE AND THE BORE OF THE CORE FOR
Claim 2
Dependent Claim
191 words
AN ELECTROMAGNETIC PUMP CONSISTING A HOUSING ENCLOSING A MAGNETIC CORE HAVING WINDINGS DISPOSED THEREIN, RADIAL AND AXIALLY EXTENDING DUCTS IN SAID CORE FOR PERMITTING THE INTRODUCTION OF A COOLANT FOR FLOW THROUGH THE CORE AND ACROSS THE ENDS TURNS OF SAID WINDING TO REMOVE THE HEAT GENERATED WHEN THE WINDINGS ARE ENERGIZED, A HOLLOW CYLINDER LOCATED WITHIN AN ENCLOSURE POSITIONED IN THE BORE OF THE CORE, VANES ATTACHED AT THEIR INNER SURFACE ON SAID CYLINDER AND IN CONTACT WITH THE INNER SURFACE OF THE ENCLOSURE FOR ESTABLISHING A CONTINUOUS PASSAGEWAY THROUGH WHICH LIQUID METAL IS CIRCULATED WHEN THE WINDING IS ENERGIZED, AN INLET TO SAID ENCLOSURE THROUGH WHICH THE LIQUID METAL FLOWS TO THE PASSAGEWAY AND AN OUTLET CONNECTED WITH SAID CYLINDER, THE DISPOSITION OF THE CYLINDER AND ENCLOSURE AND THE INLET AND OUTLET BEING SUCH THAT LIQUID METAL INTRODUCED THROUGH THE INLET FLOLWS THROUGH SAID PASSAGEWAYS AND IS RETURNED AXIALLY THROUGH THE CYLINDER FOR DISCHARGE THROUGH THE OUTLET WHICH IS LOCATED ON THE SAME SIDE OF THE CYLINDER AS THE ENCLOSURE INLET, AND INSULATION MEANS DISPOSED BETWEEN THE OUTER SURFACE OF THE ENCLOSURE AND THE BORE OF THE CORE FOR
References Cited (Backward Citations)
US1298664A
Cited
US2224505A
Cited
US2454120A
Cited
US2730951A
Cited
US2669931A
Cited
GB779545A
Cited
US2770196A
Cited
US2716943A
Cited
US2811107A
Cited
US2808002A
Cited
US2817780A
Cited
US2988000A
Cited
GB831399A
Cited
US2905089A
Cited
US2953993A
Cited
US2985106A
Cited
GB880454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |