US3748828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for fluid-liquid contacting
Assignee: Akzo Belge SA
•
Filing: 1971-11-05
•
Granted: 1973-07-31
•
Expires: 1991-11-05
Abstract
Abstract A process for fluid-liquid contacting comprising delivering at least one liquid to the end of the series of multi-filament threads arranged in at least one bundle so that the liquid flows over the threads as a liquid sheath and passing at least one additional fluid over the liquid sheath so that heat or materials are transferred between the liquid and fluid. Apparatus for trnasferring heat and materials by fluid-liquid contact comprising means for delivering and evacuating a liquid to and from a series of multi-filament threads, means for fastening these multi-filament threads so that they are in contact with the delivering and evacuating means and means for distributing and evacuating a fluid which contacts the liquid, the fluid being the continuous phase.
Inventors
- 👤 S Lefebvre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:57
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; B; B01; B01D; B01D1/00; B01D1/14; B01D1/22; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2321; B01F23/23211; B01J; B01J19/00; B01J19/24; B01J19/248; B01J19/2495; B01J19/32; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F28C; F28C1/00; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 68
Claim 1
Independent Claim
10 words
passing at least one additional fluid over said liquid sheaths.
Claim 2
Dependent Claim
13 words
The process of claim 1 wherein said rate of flow is substantially continuous.
Claim 3
Dependent Claim
17 words
The process of claim 1 wherein said flow of each liquid sheath is caused by centrifugal force.
Claim 4
Dependent Claim
12 words
The process of claim 1 wherein said mutli-filament yarns are under tension.
Claim 5
Dependent Claim
14 words
The process of claim 1 wherein said multi-filament yarns are parallel to each other.
Claim 6
Dependent Claim
14 words
The process of claim 1 wherein said bundles of multi-filament yarns are regularly spaced.
Claim 7
Dependent Claim
14 words
The process of claim 1 wherein said multi-filament yarns are subjected to electrical fields.
Claim 8
Dependent Claim
13 words
The process of claim 1 wherein said multi-filament yarns include heat conductive elements.
Claim 9
Dependent Claim
70 words
The process of claim 1 wherein said series of multi-filament yarns is an assembly of sheets of said yarns, said yarns being spaced in relation to each other and the ends of said yarns being fastened to strips having a length corresponding to at least the length of said sheet and a thickness corresponding at most to the spacing provided between Said yarns to avoid contact between neighboring liquid sheaths.
Claim 10
Dependent Claim
35 words
The process of claim 1 wherein said liquid flowing as said liquid sheath is selected from water, organic compounds, solvents, aqueous solutions, solutions of minerals in solvent or solutions of organic compounds in a solvent.
Claim 11
Dependent Claim
27 words
The process of claim 1 wherein said additional fluid is a continuous phase and is selected from gases, vapors, mists or solid particles suspended in a gas.
Claim 12
Dependent Claim
19 words
The process of claim 1 wherein said additional fluid passes substantially parallel to and co-currently with said liquid sheath.
Claim 13
Dependent Claim
18 words
The process of claim 1 wherein said additional fluid passes substantially parallel and counter-currently to said liquid sheath.
Claim 14
Dependent Claim
17 words
The process of claim 1 wherein said additional fluid passes across the flow of said liquid sheath.
Claim 15
Dependent Claim
20 words
The process of claim 1 wherein said multi-filament yarns comprise a twisted support yarn and at least one stabilizing yarn.
Claim 16
Dependent Claim
21 words
The process of claim 16 wherein said support yarn and said stabilizing yarn are assembled in a side by side relationship.
Claim 17
Dependent Claim
17 words
The process of claim 16 wherein said support yarn and said stabilizing yarn are assembled by lapping.
Claim 18
Dependent Claim
24 words
The process of claim 16 wherein the twist of said support yarn and said stabilizing yarn is varied along the length of said yarns.
Claim 19
Dependent Claim
12 words
The process of claim 16 wherein said stabilizing yarn has parallel filaments.
Claim 20
Dependent Claim
13 words
The process of claim 16 wherein the said stabilizing yarn has twisted filaments.
Claim 21
Dependent Claim
12 words
The process of claim 16 wherein said stabilizing yarn has cabled filaments.
Claim 22
Dependent Claim
12 words
the process of claim 16 wherein said multi-filament yarns are under tension.
Claim 23
Dependent Claim
14 words
The process of claim 16 wherein said multi-filament yarns are parallel to each other.
Claim 24
Dependent Claim
14 words
The process of claim 16 wherein said bundles of multi-filament yarns are regularly spaced.
Claim 25
Dependent Claim
11 words
The process of claim 16 wherein said multi-filament yarns are vibrated.
Claim 26
Dependent Claim
14 words
The process of claim 16 wherein said multi-filament yarns are subjected to electrical fields.
Claim 27
Dependent Claim
13 words
The process of claim 16 wherein said multi-filament yarns include heat conductive elements.
Claim 28
Dependent Claim
70 words
The process of claim 16 wherein said series of multi-filament yarns is an assembly of sheets of said yarns, said yarns being spaced in relation to each other and the ends of said yarns being fastened to strips having a length corresponding to at least the length of said sheet and a thickness corresponding at most to the spacing provided between said yarns to avoid contact between neighboring liquid sheaths.
Claim 29
Dependent Claim
35 words
The process of claim 16 wherein said liquid flowing as said liquid sheath is selected from water, organic compounds, solvents, aqueous solutions, solutions of minerals in solvent or solutions of organic compounds in a solvent.
Claim 30
Dependent Claim
27 words
The process of claim 16 wherein said additional fluid is a continuous phase and is selected from gases, vapors, mists or solid particles suspended in a gas.
Claim 31
Dependent Claim
19 words
The process of claim 16 wherein said additional fluid passes substantially parallel to and co-currently with said liquid sheath.
Claim 32
Dependent Claim
18 words
The process of claim 16 wherein said additional fluid passes substantially parallel and counter-currently to said liquid sheath.
Claim 33
Dependent Claim
17 words
The process of claim 16 wherein said additional fluid passes across the flow of said liquid sheath.
Claim 34
Dependent Claim
36 words
The process of claim 16 wherein said support yarn and said stabilizing yarn are twisted so that said liquid sheaths rupture after said sheaths have flowed over a substantial portion of the length of said threads.
Claim 35
Dependent Claim
24 words
The process of claim 35 wherein the twist of said support yarn and said stabilizing yarn is varied along the length of said yarns.
Claim 36
Dependent Claim
14 words
The process of claim 35 wherein said multi-filament yarns are parallel to each other.
Claim 37
Dependent Claim
14 words
The process of claim 35 wherein said bundles of multi-filament yarns are regularly spaced.
Claim 38
Dependent Claim
11 words
The process of claim 35 wherein said multi-filament yarns are vibrated.
Claim 39
Dependent Claim
19 words
The process of claim 16 wherein said support yarn and said stAbilizing yarn are assembled with a slight twist.
Claim 40
Dependent Claim
40 words
The process of claim 40 wherein said support yarn and said stabilizing yarn are joined with a twist within the range of from 0 to 25 turns per meter in a direction opposite the final twist of said support yarn.
Claim 41
Dependent Claim
14 words
The process of claim 40 wherein said multi-filament yarns are parallel to each other.
Claim 42
Dependent Claim
14 words
The process of claim 40 wherein said bundles of multi-filament yarns are regularly spaced.
Claim 43
Dependent Claim
11 words
The process of claim 40 wherein said multi-filament yarns are vibrated.
Claim 44
Dependent Claim
40 words
The process of claim 40 wherein said support yarn and said stabilizing yarn are joined with a twist within the range of from 0 to 100 turns per meter in a direction opposite the final twist of said support yarn.
Claim 45
Dependent Claim
14 words
The process of claim 45 wherein said bundles of multi-filament yarns are regularly spaced.
Claim 46
Dependent Claim
11 words
The process of claim 45 wherein said multi-filament yarns are vibrated.
Claim 47
Dependent Claim
14 words
The process of claim 45 wherein said multi-filament yarns are parallel to each other.
Claim 48
Dependent Claim
11 words
The process of claim 48 wherein said multi-filament yarns are vibrated.
Claim 49
Dependent Claim
14 words
The process of claim 48 wherein said bundles of multi-filament yarns are regularly spaced.
Claim 50
Dependent Claim
11 words
The process of claim 50 wherein said multi-filament yarns are vibrated.
Claim 51
Dependent Claim
14 words
The process of claim 51 wherein said multi-filament yarns are subjected to electrical fields.
Claim 52
Dependent Claim
13 words
The process of claim 52 wherein said multi-filament yarns include heat conductive elements.
Claim 53
Dependent Claim
70 words
The process of claim 53 wherein said series of multi-filament yarns is an assembly of sheets of said yarns, said yarns being spaced in relation to each other and the ends of said yarns being fastened to strips having a length corresponding to at least the length of said sheet and a thickness corresponding at most to the spacing provided between said yarns to avoid contact between neighboring liquid sheaths.
Claim 54
Dependent Claim
35 words
The process of claim 54 wherein said liquid flowing as said liquid sheath is selected from water, organic compounds, solvents, aqueous solutions, solutions of minerals in solvent or solutions of organic compounds in a solvent.
Claim 55
Dependent Claim
27 words
The process of claim 55 wherein said additional fluid is a continuous phase and is selected from gases, vapors, mists or solid particles suspended in a gas.
Claim 56
Dependent Claim
19 words
The process of claim 56 wherein said additional fluid passes substantially parallel to and co-currently with said liquid sheath.
Claim 57
Dependent Claim
18 words
The process of claim 56 wherein said additional fluid passes substantially parallel and counter-currently to said liquid sheath.
Claim 58
Dependent Claim
17 words
The process of claim 56 wherein said additional fluid passes across the flow of said liquid sheath.
Claim 59
Dependent Claim
154 words
Apparatus for contacting at least one liquid and at least one fluid in a continuous phase for transferring heat and matter between said liquid and said fluid comprising: a series of multi-filament yarns; means for distributing said liquid to said yarns; means for evacuating said liquid from said yarns; means for fastening the ends of said yarns in contact with said distributing and said evacuating means; and means for distributing and evacuating said continuous phase fluid so that said fluid contacts said liquid on said yarns said distributing means comprising a distributing compartment and an assembly of strips having passages so that the liquid can flow to said yarns, the ends of said yarns being fastened to said strips, and said evacuating means comprising an evacuating chamber and an assembly of strips having the ends of said yarns fastened thereto and having passages for said liquid to flow from said yarns to said chamber.
Claim 60
Dependent Claim
12 words
The apparatus of claim 60 wherein said strips have regularly spaced channels.
Claim 61
Dependent Claim
10 words
The apparatus of claim 60 wherein said strips are porous.
Claim 62
Dependent Claim
12 words
The apparatus of claim 60 wherein said yarn ends include porous material.
Claim 63
Dependent Claim
46 words
The apparatus of claim 60 wherein said strips have a length corresponding at least to the width of a sheet of said yarns and a thickness coRresponding at most to the space provided between the yarns to prevent contact of said liquid flowing on said yarns.
Claim 64
Dependent Claim
15 words
The apparatus of claim 60 wherein said strips comprise one wall of said distributing compartment.
Claim 65
Dependent Claim
19 words
The apparatus of claim 60 wherein said strips have inserts between said strips to provide channels for said liquid.
Claim 66
Dependent Claim
10 words
The apparatus of claim 66 wherein said inserts are porous.
Claim 67
Dependent Claim
32 words
The apparatus of claim 66 wherein the thickness of said strip and said insert corresponds to the spacing provided between the yarns to avoid contacts of said liquid flowing on said yarns.
Claim 68
Dependent Claim
18 words
The apparatus of claim 66 wherein said strips and said inserts comprise one wall of said distributing compartment.
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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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |