US3362695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid aeration method and apparatus
Assignee: Allis Chalmers Corp
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Filing: 1964-04-15
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Granted: 1968-01-09
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Bernard P Mcdonnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:57
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/08; C02F3/082; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN APPARATUS FOR AERATING A STREAM COMPRISING MEANS FOR DIVERTING A PORTION OF THE LIQUID IN SAID STREAM, A TWO-PHASE CONTACTOR HAVING A CLOSED PRESSURE RESISTANT SHELL PROVIDED WITH GAS INLET AND OUTLET PORTS AND A PLURALITY OF DISKS WITHIN SAID SHELL MOUNTED ON A SHAFT FOR ROTATION THEREWITH, MEANS FOR DIRECTING THE FLOW OF SAID DIVERTED LIQUID INTO SAID SHELL TO SUBMERGE A PORTION OFF EACH OF SAID DISKS IN SAID LIQUID, MEANS FOR ROTATING SAID SHAFT, MEANS FOR SATURATING SAID DIVERTED LIQUID WITH OXYGEN INCLUDING MEANS FOR SUPPLYING AN OXYGEN CONTAINING GAS THROUGH SAID GAS INLET PORT AT A PRESSURE GREATER THAN SEVERAL ATMOSPHERES AND FOR MAINTAINING SAID GAS ABOVE SAID LIQUID WITHIN SAID SHELL AT SAID PRESSURE GREATER THANVE SEVERAL ATMOSPHERES AND FOR EXPOSING THE PORTIONS OF SAID DISKS EXTENDING OUT OF SAID LIQUID TO SAID GAS, A DIFFUSER HAVING A PLURALITY OF HORIZONTALLY SPACED OPENINGS IMMERSED IN SAID STREAM, AND MEANS FOR EXTRACTING SAID OXYGEN-SATURATED LIQUID FROM SAID SHELL AND FOR DELIVERING IT TO SAID DIFFUSER.
Claim 2
Independent Claim
170 words
AN APPARATUS FOR AERATING A STREAM COMPRISING MEANS FOR DIVERTING A PORTION OF THE LIQUID IN SAID STREAM, A TWO-PHASE CONTACTOR HAVING A CLOSED PRESSURE RESISTANT SHELL PROVIDED WITH GAS INLET AND OUTLET PORTS AND A PLURALITY OF DISKS WITHIN SAID SHELL MOUNTED ON A SHAFT FOR ROTATION THEREWITH, MEANS FOR DIRECTING THE FLOW OF SAID DIVERTED LIQUID INTO SAID SHELL TO SUBMERGE A PORTION OFF EACH OF SAID DISKS IN SAID LIQUID, MEANS FOR ROTATING SAID SHAFT, MEANS FOR SATURATING SAID DIVERTED LIQUID WITH OXYGEN INCLUDING MEANS FOR SUPPLYING AN OXYGEN CONTAINING GAS THROUGH SAID GAS INLET PORT AT A PRESSURE GREATER THAN SEVERAL ATMOSPHERES AND FOR MAINTAINING SAID GAS ABOVE SAID LIQUID WITHIN SAID SHELL AT SAID PRESSURE GREATER THANVE SEVERAL ATMOSPHERES AND FOR EXPOSING THE PORTIONS OF SAID DISKS EXTENDING OUT OF SAID LIQUID TO SAID GAS, A DIFFUSER HAVING A PLURALITY OF HORIZONTALLY SPACED OPENINGS IMMERSED IN SAID STREAM, AND MEANS FOR EXTRACTING SAID OXYGEN-SATURATED LIQUID FROM SAID SHELL AND FOR DELIVERING IT TO SAID DIFFUSER.
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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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |