Apparatus for detecting scale formation
Abstract
Abstract APPARATUS TO DETECT DANGER OF SCALE FORMATION ON SURFACE FOR THE TRANSFER OF HEAT BETWEEN A SCALE-FORMING FLUID AND A FLUID IN THE FORM OF VAPOR EVEN BEFORE ANY DEPOSIT HAS BEGUN TO FORM HAS A DUCT FOR THE CIRCULATION OF SCALEFORMING FLUID WHICH HAS BEEN WITHDRAWN FROM THE HEATTRANSFER SYSTEM TO BE MONITORED. THERE IS A MONITORING TUBE IN THE DUCT WITH MEANS FOR MAINTAINING SAID TUBE AT A TEMPERATURE WHICH IS SLIGHTLY HIGHER THAN THAT OF THE HEAT-TRANSFER SURFACE, AND MEANS FOR DETECTING THE FORMATION OF A DEPOSIT ON THE WALL OF SAID TUBE. THE HEATING MEANS MAY BE CIRCULATION SYSTEM IN WHICH VAPOR WITHDRAWN FROM THE HEAT-TRANSFER SYSTEM IS BROUGHT INTO CONTACT WITH THE INTERNAL WALL OF THE MONITORING TUBE.
Inventors
- 👤 Pierre Courvoisier
- 👤 Emile Muratore
- 👤 Andre Roche
- 👤 Clermont Ferrand
- 👤 Paul Vignet
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |