Electrodes for molten metal electromagnetic flowmeters and the like
Abstract
Abstract THIS INVENTION RELATES TO MEANS FOR MAKING ELECTRICAL CONTACT WITH A STREAM OF MOLTEN METAL FLOWING IN AN ELECTRICALLY NON-CONDUCTIVE FLOW TUBE. SUCH MEANS INCLUDE A BRANCH TUBE OF ELECTRICALLY NON-CONDUCTIVE MATERIAL COMMUNICATING WITH THE INTERIOR OF THE FLOW TUBE AND A METAL ELECTRODE DISPOSED IN THE BRANCH TUBE. THIS ELECTRODE IS CHARACTERIZED BY BEING IN PART LIQUID AND IN PART SOLID, THE PORTION THEREOF ADJACENT THE FLOW TUBE AND IN ELECTRICAL CONTACT WITH THE STREAM OF MOLTEN METAL THEREIN BEING IN THE MOLTEN STATE AND THE PORTION THEREOF REMOTE FROM THE FLOW TUBE BEING IN THE SOLID STATE, THE BRANCH TUBE BEING SEALED BY THE SOLIDIFIED MOLTEN METAL OF THE ELECTRODE. THE INVENTION IS PARTICULARLY USEFUL IN CONNECTION WITH MOLTEN METAL ELECTROMAGNETIC FLOWMETERS BY PROVIDING ELECTRODES THAT WILL CONDUCT THE ELECTRICAL SIGNAL GENERATED BY MOLTEN METAL FLOWING THROUGH AN ELECTRICALLY NON-CONDUCTIVE FLOW TUBE SUBJECTED TO AN EXTERNALLY APPLIED MAGNETIC FIELD.
Inventors
- 👤 Earle C King
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |