US3671022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the microdispersion of oxygen in water
Assignee: Airco Inc
•
Filing: 1969-10-06
•
Granted: 1972-06-20
•
Expires: 1989-10-06
Abstract
Abstract Method and apparatus are disclosed for oxygenating river water or the like. According to the invention a localized flow of water is established beneath the surface of the river, e.g. by impelling water at the river bottom through a conduit. Simultaneously, small volumes of water are mixed with oxygen at pressures under the river, and are immediately injected into the localized flow whereby the minute oxygen bubbles therein are dispersed before substantial agglomeration of bubbles can occur.
Inventors
- 👤 William Burton Laird
- 👤 Roy L Williams
- 👤 Allen V Muska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:07
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1278; C02F3/1294; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2334; B01F23/23341; B01F23/40; B01F23/45; B01F23/454; B01F25/00; B01F25/20; B01F25/21; B01F25/30; B01F25/31; B01F25/312; B01F25/3123; B01F25/31232; B01F25/3124; B01F25/31242; B01F25/314; B01F25/3142; B01F25/31423; C02F3/20; C02F3/205; C02F3/207; C02F3/22; C02F3/226; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S261/00; Y10S261/75
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
28 words
Apparatus according to claim 1 wherein a plurality of fluid injectors are spaced about said conduit means, said oxygen manifold means supplying oxygen to each of said injectors.
Claim 2
Dependent Claim
42 words
Apparatus according to cLaim 1 wherein said conduit means has a portion of restricted cross-section whereby liquid moving through said conduit means has an increased velocity through said restricted portion, said at least one fluid injector discharging fluid into said restricted portion.
Claim 3
Dependent Claim
17 words
Apparatus according to claim 1 wherein said pump means comprises an impeller positioned in said conduit means.
Claim 4
Dependent Claim
29 words
Apparatus according to claim 1 in which said conduit means is located in a substantially vertical well having baffle means for creating upward and downward flow in said well.
Claim 5
Dependent Claim
23 words
Apparatus according to claim 5 in which the said at least one fluid injector is positioned in the lower portion of said well.
Claim 6
Dependent Claim
34 words
Apparatus according to claim 1 further including oxygen supply means at a surface location remote from the conduit means, an oxygen supply line extending from the oxygen supply means to the oxygen manifold means.
Claim 7
Dependent Claim
28 words
Apparatus according to claim 1 wherein the body of water may be a lake, pond, reservoir, river, stream, waste flow or the like, whether naturally or artificially created.
Claim 8
Independent Claim
74 words
A method for introducing oxygen into a body of water having an insufficient oxygen content comprising, submerging a conduit means in said body of water, pumping water through said conduit means, discharging fluid transversely into said conduit means utilizing at least one fluid injector spaced about said conduit means, supplying water to said at least one injector from a submerged water pump, supplying oxygen to said at least one injector from an oxygen manifold.
Claim 9
Dependent Claim
27 words
A method according to claim 9 wherein the body of water may be a lake, pond, reservoir, river, stream or the like whether naturally or artificially created.
Claim 10
Dependent Claim
17 words
A method according to claim 9 wherein said body of water comprises a waste stream or flow.
Claim 11
Dependent Claim
27 words
A method according to claim 9 including discharging fluid transversely into said conduit from a plurality of fluid injectors spaced about said conduit means in annular array.
Claim 12
Dependent Claim
22 words
A method according to claim 9 wherein the operations are conducted in a well adjacent to the water body and communicating therewith.
Claim 13
Dependent Claim
30 words
A method according to claim 9 including pumping water through a portion of the conduit means having a restricted cross section whereby the velocity of flow through said portion increases.
Claim 14
Dependent Claim
23 words
A method according to claim 14 wherein the fluid that is discharged transversely into the conduit means is injected into the restricted portion.
Claim 15
Dependent Claim
38 words
A method according to claim 9 further including maintaining a supply of oxygen at a location remote from said conduit means, directing a stream of oxygen gas under pressure to the oxygen manifold from the supply of oxygen.
Claim 16
Dependent Claim
92 words
A method according to claim 9 wherein said body of water is relatively shallow, further comprising withdrawing a portion of said water from said body and directing it into a well having a greater depth than said body, locating said conduit means in the lower portions of said well, discharging the fluid into said conduit means at a depth greater than the depth of said body of water, returning the water which has been treated in the conduit means to the said shallow body of water to raise the oxygen level thereof.
References Cited (Backward Citations)
US3123652A
Cited
CA703863A
Cited
US1143162A
Cited
US1643273A
Cited
US1867824A
Cited
US3271304A
Cited
US3336016A
Cited
US3365178A
Cited
US3470091A
Cited
US3521864A
Cited
US3489396A
Cited
US3505213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |