US3348830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined wet scrubber and heat exchange apparatus
Assignee: Combustion Engineering Inc
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Filing: 1966-12-28
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Granted: 1967-10-24
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 David R Pearl
- 👤 Peter W Kalika
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:24
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/16; B01D47/06; F; F23; F23J; F23J15/00; F23J15/02; F23J15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
IN A COMBINED WET SCRUBBER AND HEAT EXCHANGE APPARATUS FOR REMOVING IMPURITIES FROM HOT, DIRTY GASES, AN UPRIGHT, CYLINDRICAL HOUSING, A FIRST CYLINDRICAL MEMBER POSITIONED CONCENTRICALLY WITHIN THE UPPER PORTION OF THE HOUSING, INLET MEANS FOR INTRODUCING HOT, DIRTY GASES INTO THE ANNULAR SPACE BETWEEN THE HOUSING AND FIRST MEMBER, FIRST FLOW PASSAGE MEANS IN THE ANNULAR SPACE THROUGH WHICH THE DIRTY GASES FLOW, A SECOND CYLINDRICAL MEMBER POSITIONED CONCENTRICALLY WITHIN THE LOWER PORTION OF THE HOUSING, SAID SECOND CYLINDRICAL MEMBER HAVING A BOTTOM EDGE WHICH IS SPACED FROM THE BOTTOM OF THE HOUSING, SPRAY MEANS POSITIONED SO AS TO SCRUB THE GASES FLOWING DOWNWARDLY IN THE ANNULAR SPACE BETWEEN THE HOUSING AND THE SECOND CLINDRICAL MEMBER, A CENTRIFUGAL FAN POSITIONED DIRECTLY ABOVE THE SECOND CYLINDRICAL MEMBER, THE FAN HAVING A CENTRAL BOTTOM INLET AND A RADIAL OUTLET, SECON FLOW PASSAGE MEANS WITHIN THE ANNULAR SPACE BETWEEN THE HOUSING AND THE FIRST CYLINDRICAL MEMBER, SAID SECOND FLOW PASSAGE MEANS BEING POSITIONED SO THAT IT IS IN HEAT EXCHANGE RELATIONSHIP WITH SAID FIRST FLOW PASSAGE MEANS, SAID SECOND FLOW PASSAGE MEANS HAVING LOWER INLET MEANS CONNECTED TO THE FAN OUTLET, AND UPPER OUTLET MEANS THROUGH WHICH CLEAN GASES CAN BE DISCHARGED, AFTER BEING HEATED BY THE INCOMING HOT, DIRTY GASES.
Claim 2
Dependent Claim
209 words
IN A COMBINED WET SCRUBBER AND HEAT EXCHANGE APPARATUS FOR REMOVING IMPURITIES FROM HOT, DIRTY GASES, AN UPRIGHT, CYLINDRICAL HOUSING, A FIRST CYLINDRICAL MEMBER POSITIONED CONCENTRICALLY WITHIN THE UPPER PORTION OF THE HOUSING, INLET MEANS FOR INTRODUCING HOT, DIRTY GASES INTO THE ANNULAR SPACE BETWEEN THE HOUSING AND FIRST MEMBER, FIRST FLOW PASSAGE MEANS IN THE ANNULAR SPACE THROUGH WHICH THE DIRTY GASES FLOW, A SECOND CYLINDRICAL MEMBER POSITIONED CONCENTRICALLY WITHIN THE LOWER PORTION OF THE HOUSING, SAID SECOND CYLINDRICAL MEMBER HAVING A BOTTOM EDGE WHICH IS SPACED FROM THE BOTTOM OF THE HOUSING, SPRAY MEANS POSITIONED SO AS TO SCRUB THE GASES FLOWING DOWNWARDLY IN THE ANNULAR SPACE BETWEEN THE HOUSING AND THE SECOND CLINDRICAL MEMBER, A CENTRIFUGAL FAN POSITIONED DIRECTLY ABOVE THE SECOND CYLINDRICAL MEMBER, THE FAN HAVING A CENTRAL BOTTOM INLET AND A RADIAL OUTLET, SECON FLOW PASSAGE MEANS WITHIN THE ANNULAR SPACE BETWEEN THE HOUSING AND THE FIRST CYLINDRICAL MEMBER, SAID SECOND FLOW PASSAGE MEANS BEING POSITIONED SO THAT IT IS IN HEAT EXCHANGE RELATIONSHIP WITH SAID FIRST FLOW PASSAGE MEANS, SAID SECOND FLOW PASSAGE MEANS HAVING LOWER INLET MEANS CONNECTED TO THE FAN OUTLET, AND UPPER OUTLET MEANS THROUGH WHICH CLEAN GASES CAN BE DISCHARGED, AFTER BEING HEATED BY THE INCOMING HOT, DIRTY GASES.
References Cited (Backward Citations)
US2174060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |