Apparatus for filtering suspended solids from gaseous medium and for removal of filter cake from filter elements
Abstract
Abstract APPARATUS FOR GASEOUS FILTRATION TO EFFECT REMOVAL OF SUSPENDED SOLIDS IN WHICH USE IS MADE OF ELONGATE FILTER ELEMENTS HAVING AN OPEN END AND MEANS FOR FLOWING GASEOUS MEDIUM CONTAINING THE SUSPENDED SOLIDS THROUGH THE WALLS OF THE FILLER ELEMENT WHEREBY SEPARATED SOLIDS COLLECT ON THE OUTER WALL OF THE FILTER ELEMENT AS A FILTER CAKE AND IN WHICH USE IS MADE OF A GAS NOZZLE IN ENDWISE ALIGNMENT AND COLINEAR ALIGNMENT WITH ONE OR MORE AUXILLIARY NOZZLES FOLLOWED BY A VENTURI FOR RELEASING OR GENERATING A BURST OF GAS OF HIGH PRESSURE AND INCREASING VOLUME IN THE INTERIOR OF THE FILTER TUBE BEING CLEANED, TO EFFECT REMOVAL OF SOLIDS COLLECTED ON THE WALLS OF THE TUBE, WITHOUT STOPPING TOTAL FILTER FLOW.
Inventors
- 👤 Raymond M Leliaert
- 👤 Clyde A Snyder
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |