US3284064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recovery of heat and chemicals
Assignee: Babcock and Wilcox Co
•
Filing: 1963-03-28
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Granted: 1966-11-08
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Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Kolm
- 👤 William J Darmstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/10; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN LIQUID-GAS APPARATUS, THE COMBINATION COMPRISING WALLS DEFINING A GAS PASSAGE HAVING A THROAT PORTION BETWEEN CO-AXIALLY ARRANGED CONVERGING INLET AND DIVERGING OUTLET PORTIONS, MEANS FOR PASSING A HOT DUST-LADEN GAS INTO THE INLET PORTION OF SAID PASSAGE AND THROUGH SAID GAS PASSAGE, MEANS FOR INTRODUCING A LIQUID IN A FINELY DIVIDED CONDITION INTO THE CONVERGING PORTION OF SAID PASSAGE, AND LOW RESTRICTIVE MEANS POSITIONED IN THE THROAT PORTION OF SAID PASSAGE FOR ADJUSTABLY CHANGING THE CROSS-SECTIONAL FLOW AREA THEREOF INCLUDING A PIVOTED DAMPER SYMMETRICALLY ARRANGED ABOUT A PIVOT AXIS EXTENDING TRANSVERSELY ACROSS SAID THROAT PORTION EQUIDISTANT THE OPPOSITE WALLS OF SAID THROAT PORTION, SAID DAMPER HAVING A CROSS-SECTIONAL SHAPE SO THAT IN ITS MAXIMUM FLOW RESTRICTIVE POSITION IT OCCUPIES ONLY A MINOR PART OF THE CROSS-SECTION OF SAID THROAT PORTION, SAID DAMPER BEING LOCATED DOWNSTREAM IN A GAS FLOW SENSE OF SAID LIQUID INTRODUCING MEANS.
Claim 2
Dependent Claim
146 words
IN LIQUID-GAS APPARATUS, THE COMBINATION COMPRISING WALLS DEFINING A GAS PASSAGE HAVING A THROAT PORTION BETWEEN CO-AXIALLY ARRANGED CONVERGING INLET AND DIVERGING OUTLET PORTIONS, MEANS FOR PASSING A HOT DUST-LADEN GAS INTO THE INLET PORTION OF SAID PASSAGE AND THROUGH SAID GAS PASSAGE, MEANS FOR INTRODUCING A LIQUID IN A FINELY DIVIDED CONDITION INTO THE CONVERGING PORTION OF SAID PASSAGE, AND LOW RESTRICTIVE MEANS POSITIONED IN THE THROAT PORTION OF SAID PASSAGE FOR ADJUSTABLY CHANGING THE CROSS-SECTIONAL FLOW AREA THEREOF INCLUDING A PIVOTED DAMPER SYMMETRICALLY ARRANGED ABOUT A PIVOT AXIS EXTENDING TRANSVERSELY ACROSS SAID THROAT PORTION EQUIDISTANT THE OPPOSITE WALLS OF SAID THROAT PORTION, SAID DAMPER HAVING A CROSS-SECTIONAL SHAPE SO THAT IN ITS MAXIMUM FLOW RESTRICTIVE POSITION IT OCCUPIES ONLY A MINOR PART OF THE CROSS-SECTION OF SAID THROAT PORTION, SAID DAMPER BEING LOCATED DOWNSTREAM IN A GAS FLOW SENSE OF SAID LIQUID INTRODUCING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |