US4814117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing support for gas - liquid contact towers
Assignee: Individual
•
Filing: 1987-12-21
•
Granted: 1989-03-21
•
Expires: 2007-12-21
Abstract
Abstract A support for randomly dumped packings in a gas-liquid contact tower, such as a distillation tower. The support may be horizontal grid,-through the openings of which vertical rods are integrally secured, serving as stilts to directly support, on their top ends, the packings so as to eliminate blocking of air or liquid passage through the support. The rods may be solid or tubular and in some cases may also extend downwardly of the grid terminating in a pointed lower end to serve as drip points. The grid may be of various shapes.
Inventors
- 👤 Max Leva
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:15
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/18; B01D3/00; B01D3/14; B01D3/16; B01D3/22; B01J; B01J19/00; B01J19/30; B01J19/305
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
91 words
In a gas-liquid contact tower for distillation, gas absorption and related mass transfer operations, the improvement comprising a packing support plate of a given depth extending horizontally in said tower and having a plurality of spaced apart openings for liquid and gas passage, and a plurality of vertically upwardly extending rods spaced apart from each other and which are attached to said support plate through its depth and adjacent said openings and upwardly thereof to serve as stilts for supporting, at the top ends of said rods, randomly dumped tower packing.
Claim 2
Dependent Claim
91 words
In a gas-liquid contact tower for distillation, gas absorption and related mass transfer operations, the improvement comprising a packing support plate of a given depth extending horizontally in said tower and having a plurality of spaced apart openings for liquid and gas passage, and a plurality of vertically upwardly extending rods spaced apart from each other and which are attached to said support plate through its depth and adjacent said openings and upwardly thereof to serve as stilts for supporting, at the top ends of said rods, randomly dumped tower packing.
Claim 3
Dependent Claim
11 words
Apparatus as recited in claim 1 wherein said rods are tubular.
Claim 4
Dependent Claim
17 words
Apparatus as recited in claim 1 wherein said support plate is in the form of a grid.
Claim 5
Dependent Claim
63 words
Apparatus as recited in claim 3 wherein said grid is formed of a first layer of spaced parallel bars having superimposed a second layer of spaced parallel bars extending upwardly and at right angles to said first layer of bars, said rods being integrally secured to said super-imposed spaced parallel bars but extending upwardly beyond the top ends of said last mentioned bars.
Claim 6
Dependent Claim
20 words
Apparatus as recited in claim 4 wherein said rods extend only upwardly of said first layer of spaced parallel bars.
Claim 7
Dependent Claim
26 words
Apparatus as recited in claim 4 wherein said rods are attached to the corners of the openings formed by said first and second layers of bars.
Claim 8
Dependent Claim
26 words
Apparatus as recited in claim 4 wherein said rods are attached between the corners of the openings formed by said first and second layers of bars.
Claim 9
Dependent Claim
26 words
Apparatus as recited in claim 4 wherein said rods extend above the top of said second layer of spaced parallel bars by at least 1/4 inch.
Claim 10
Dependent Claim
11 words
Apparatus as recited in claim 4 wherein said rods are tubular.
Claim 11
Dependent Claim
22 words
Apparatus as recited in claim 4 wherein said rods extend both upwardly and downwardly of said first layer of spaced parallel bars.
Claim 12
Dependent Claim
19 words
Apparatus as recited in claim 10 wherein downwardly extending rods have pointed lower ends to serve as drip points.
Claim 13
Dependent Claim
16 words
Apparatus as recited in claim 4 wherein said rods are solid and of rectangular cross section.
Claim 14
Dependent Claim
23 words
Apparatus as recited in claim 12 wherein said rods are attached to the corners formed by said first and second layers of bars.
Claim 15
Dependent Claim
13 words
Apparatus as recited in claim 3 wherein said grid comprises parallel spaced bars.
Claim 16
Dependent Claim
17 words
Apparatus as recited in claim 3 wherein said grid comprises spaced circular concentric bars of different diameters.
Claim 17
Dependent Claim
38 words
Apparatus as recited in claim 3 wherein said grid is formed of a first layer of spaced parallel bars having a superimposed second layer of spaced parallel bars extending angularly of said first layer of spaced parallel bars.
Claim 18
Dependent Claim
25 words
Apparatus as recited in claim 16 wherein said rods are attached to the corners formed by said first and second layers of spaced parallel bars.
Claim 19
Dependent Claim
20 words
Apparatus as recited in claim 16 wherein said first and second layers of spaced parallel bars form diamond shaped openings.
Claim 20
Dependent Claim
25 words
Apparatus as recited in claim 18 wherein said rods are integrally secured at the intersection of said first and second layers of spaced parallel bars.
Claim 21
Dependent Claim
21 words
Apparatus as recited in claim 1 wherein some of said rods extend below the lower face of said packing support plate.
References Cited (Backward Citations)
US2098667A
Cited
US2158229A
Cited
US2283307A
Cited
US2987039A
Cited
US3653845A
Cited
US4003178A
Cited
US4275018A
Cited
DE2924516A1
Cited
US4452025A
Cited
US4476069A
Cited
US4472325A
Cited
US4557876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-20 | 1992-09-19 | 1993-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-20 | 1996-09-19 | 1997-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-20 | 2000-09-19 | 2001-03-21 | $7700.00 | Window Closed / Lapsed |