Patent US4758410A successfully refreshed from Google Patents.
US4758410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge for catalyst plates
Assignee: Didier Werke AG
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Filing: 1986-09-09
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Granted: 1988-07-19
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Expires: 2006-09-09
Abstract
Abstract The invention relates to a cartridge to hold catalyst plates, which plates are spaced apart, thereby leaving open slot-shaped channels for the passage of fluids to be cleaned catalytically by the plates. The cartridge is shaped in a parallelepiped or an essentially cubic form. There are recesses which form mountings for the insertion of the catalyst plates on at least two sides facing one another. The recesses are groove-like, into which the edges of the catalyst plates fit. For the simplest possible and most solid fastening of the catalyst plates in the cartridge, the mountings comprise a metal wire mesh as the static element, which is coated with a coating containing vermiculite or a similar material which expands when heated. Zeolite may also be used as the coating material.
Inventors
- 👤 Daniel Grimm
- 👤 Klaus Heil
- 👤 Hartmut Kainer
- 👤 Hermann Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:18
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2853; F01N3/2864; B; B01; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/86; F01N3/2857; B01J; B01J35/00; B01J35/50; B01J35/56
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
181 words
In combination with a plurality of catalytic plates, a frame structure holding catalytic plates, said catalytic plates being made of a hygroscopic material for catalytically reacting with at least one fluid passing thereby and for cleaning the at least one fluid of at least one contaminant, said frame structure comprising: at least two portions: said at least two portions having a plurality of recesses forming grooves for receiving and for holding at least two edges of said catalytic plates in said frame structure and for disposing said catalytic plates substantially parallel one from the other forming spaces substantially parallel thereinbetween, said spaces being open at the ends thereof for passing the at least one fluid therethrough substantially parallel to said catalytic plates; said recesses being formed by a substantially rigid structure positioned in each of said at least two portions, said recesses having a coating thereon which expands when heated, whereby said catalytic plates are held firmly within said recesses of said frame structure; and said coating comprising zeolite so as to absorb moisture from air to protect said hygroscopic plates.
Claim 2
Dependent Claim
181 words
In combination with a plurality of catalytic plates, a frame structure holding catalytic plates, said catalytic plates being made of a hygroscopic material for catalytically reacting with at least one fluid passing thereby and for cleaning the at least one fluid of at least one contaminant, said frame structure comprising: at least two portions: said at least two portions having a plurality of recesses forming grooves for receiving and for holding at least two edges of said catalytic plates in said frame structure and for disposing said catalytic plates substantially parallel one from the other forming spaces substantially parallel thereinbetween, said spaces being open at the ends thereof for passing the at least one fluid therethrough substantially parallel to said catalytic plates; said recesses being formed by a substantially rigid structure positioned in each of said at least two portions, said recesses having a coating thereon which expands when heated, whereby said catalytic plates are held firmly within said recesses of said frame structure; and said coating comprising zeolite so as to absorb moisture from air to protect said hygroscopic plates.
Claim 3
Dependent Claim
16 words
The frame structure holding catalytic plates according to claim 1, wherein said coating additionally comprises vermiculite.
Claim 4
Dependent Claim
23 words
The frame structure holding catalytic plates according to claim 1, wherein said coating is between about 0.5 mm and about 2 mm thick.
Claim 5
Dependent Claim
17 words
The frame structure holding catalytic plates according to claim 1, wherein said recesses comprise substantially straight grooves.
Claim 6
Dependent Claim
26 words
The frame structure holding catalytic plates according to claim 1, wherein said grooves are disposed so as to hold two opposite edges of said catalytic plates.
Claim 7
Dependent Claim
18 words
The frame structure holding catalytic plates according to claim 1, wherein said rigid structure comprises metal wire mesh.
Claim 8
Dependent Claim
23 words
The frame structure holding catalytic plates according to claim 6, wherein said coating is deposited on both sides of said metal wire mesh.
Claim 9
Dependent Claim
18 words
The frame structure holding catalytic plates according to claim 1, wherein said coating additionally comprises porous fiber matrix.
Claim 10
Dependent Claim
18 words
The frame structure holding catalytic plates according to claim 8, wherein said rigid structure comprises metal wire mesh.
Claim 11
Dependent Claim
27 words
The frame structure holding catalytic plates according to claim 1, additionally comprising a parallelpiped shaped outer body for containing said frame structure with said catalytic plates therein.
Claim 12
Dependent Claim
33 words
The frame structure holding catalytic plates according to claim 10, additionally comprising means for stacking said frame structure on an additional frame structure, one adjacent the other, so as to form a cartridge.
Claim 13
Dependent Claim
17 words
The frame structure holding catalytic plates according to claim 1, wherein said coating additionally comprises a binder.
Claim 14
Dependent Claim
18 words
The frame structure holding catalytic plates according to claim 12, wherein said rigid structure comprises metal wire mesh.
Claim 15
Dependent Claim
27 words
The frame structure holding catalytic plates according to claim 12, wherein said binder is chosen from the group consisting essentially of cellulose, starches, resins, and combinations thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-07-19 | 1992-01-18 | 1992-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-19 | 1996-01-18 | 1996-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-19 | 2000-01-18 | 2000-07-19 | $7700.00 | Window Closed / Lapsed |