US3323290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of and means for the scrubbing of gases
Assignee: Individual
•
Filing: 1964-10-20
•
Granted: 1967-06-06
•
Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Stern Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:28
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B01D47/10; Y; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A METHOD OF SCRUBBING A GAS CONTAMINATED WITH PARTICULATE MATTER IN SUSPENSION, THE METHOD COMPRISING THE STEPS OF: I. SUBJECTING THE GAS TO AN AGGLOMERATION STAGE IN WHICH THE GAS IS CONTACTED WITH A LIQUID AND AGGLOMERATES OF THE CONTAMINATE AND THE LIQUID PARTICLES ARE FORMED, THE AGGLOMERATION STAGE INCLUDING THE STEPS OF: (A) DIVIDING THE GAS INTO A PLURALITY OF STREAMS; (B) PASSING EACH STREAM ALONG A VENTURI-SHAPED PATH DEFINED BETWEEN SPACED VANES WHEREBY THE STREAMS ARE SUBJECTED TO ACCELERATION FOLLOWED BY DECELERATION; THE PATHS BEING CHARACTERIZED BY CIRCUMFERENTIAL SPACING ABOUT AND EQUIDISTANT SPACING FROM AN AXIS; (C) THE PATHS BEING BENT BY VIRTUE OF THE CONFIGURATION OF THE VANES TO CAUSE PARTICULATE MATTER IN THE GAS STREAM TO BE SUBJECTED TO THE ACTION OF CENTRIFUGAL FORCE IN THE PATHS TO BE URGED INTO ENGAGEMENT WITH THE VANES; AND II. THEREAFTER SUBJECTING THE GAS TO A SEPARATION STAGE IN WHICH AT LEAST SOME OF THE AGGLOMERATES ARE REMOVED THEREFROM.
Claim 2
Independent Claim
160 words
A METHOD OF SCRUBBING A GAS CONTAMINATED WITH PARTICULATE MATTER IN SUSPENSION, THE METHOD COMPRISING THE STEPS OF: I. SUBJECTING THE GAS TO AN AGGLOMERATION STAGE IN WHICH THE GAS IS CONTACTED WITH A LIQUID AND AGGLOMERATES OF THE CONTAMINATE AND THE LIQUID PARTICLES ARE FORMED, THE AGGLOMERATION STAGE INCLUDING THE STEPS OF: (A) DIVIDING THE GAS INTO A PLURALITY OF STREAMS; (B) PASSING EACH STREAM ALONG A VENTURI-SHAPED PATH DEFINED BETWEEN SPACED VANES WHEREBY THE STREAMS ARE SUBJECTED TO ACCELERATION FOLLOWED BY DECELERATION; THE PATHS BEING CHARACTERIZED BY CIRCUMFERENTIAL SPACING ABOUT AND EQUIDISTANT SPACING FROM AN AXIS; (C) THE PATHS BEING BENT BY VIRTUE OF THE CONFIGURATION OF THE VANES TO CAUSE PARTICULATE MATTER IN THE GAS STREAM TO BE SUBJECTED TO THE ACTION OF CENTRIFUGAL FORCE IN THE PATHS TO BE URGED INTO ENGAGEMENT WITH THE VANES; AND II. THEREAFTER SUBJECTING THE GAS TO A SEPARATION STAGE IN WHICH AT LEAST SOME OF THE AGGLOMERATES ARE REMOVED THEREFROM.
References Cited (Backward Citations)
US1591147A
Cited
US1783813A
Cited
US1980522A
Cited
US2004467A
Cited
US2213881A
Cited
US2246994A
Cited
US2575359A
Cited
US3216182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |