Jet pump method and system
Abstract
Abstract A METHOD AND SYSTEM FOR PUMPING PARTICULATE SOLIDS IN SUCH APPLICATION AS REMOVING SUBMERGED BEACH SAND, AND UNLOADING DRY SOLIDS FROM A STORAGE CONTAINER. A JET PUMP IS SUBMERGED IN THE SOLIDS AND UPON APPLICATION OF HIGH RPESSURE PRIMARY LIQUID TO THE PUMP, THE SOLIDS ARE DISCHARGED. TO PROVIDE AN OPTIMUM MIXTURE OF SOLIDS AND LIQUID, A DILUTING LIQUID AGITATES THE SOLIDS IN THE VICNITY OF THE PUMP''S INTAKE AND AN ADDITIONAL DILUTING LIQUID IS DIRECTED TO THE INTAKE OF THE PUMP ITSELF. THE VELOCITY, DENSITY AND/OR PRESSURE OF THE PUMP''S DISCHARGE IS MEASURED AND THE DILUTING LIQUID IS ACCORDINGLY REGULATED TO PROVIDE A PROPER SOLID/LIQUID ROTIO AT A DESIRED DISCHARGE VELOCITY.
Inventors
- 👤 David M Frazier
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |