Method and apparatus for laundering dust collectors
Abstract
Abstract A METHOD AND APPARATUS IS PROVIDED FOR LAUNDERING THE INTERIOR WALLS AND FILTER MEDIA OF A CONVENTIONAL DUST COLLECTOER OF THE TYPE THAT UTILIZES FLEXIBLE BAGS FOR FILTERING AIR-BORNE SOLIDS. THE APPARATUS INCLUDES A SET OF SPRINKLER HEADS LOCATED IN THE TOP CLEAN AIR PLENUM FOR INTRODUCING FRESH CLEANING WATER IN THE FASHION OF A HARD AND UNIFORM RAIN. THE INCOMING WATER FUNNELS INTO THE BAGS AND FLOWS IN BACKWASHING RELATION THERETHROUGH TO PROGRESSIVELY FILL THE COLLECTOR TANK AND PRODUCE A RING OF WATER DISCHARGING OUTWARDLY THROUGH THE BAGS AND PROGRESSIVELY SWEEPING THE LENGTH OF EACH BAG, A DRAFT TUBE IS PROVIDED CENTRALLY IN THE INTAKE AIR PLENUM AND IS EQUIPPED WITH AN IMPELLER TO PRODUCE A CIRCULATION PATTERN TRAVELLING PARALLEL TO THE BAGS.
Inventors
- 👤 Roland B Calhoun
- 👤 Robert H Ernest
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |