WO2004035177A1 - Adsorptionsfilterelement - Google Patents
Adsorptionsfilterelement Download PDFInfo
- Publication number
- WO2004035177A1 WO2004035177A1 PCT/EP2003/011476 EP0311476W WO2004035177A1 WO 2004035177 A1 WO2004035177 A1 WO 2004035177A1 EP 0311476 W EP0311476 W EP 0311476W WO 2004035177 A1 WO2004035177 A1 WO 2004035177A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter element
- adsorption
- element according
- component
- adsorption filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0415—Beds in cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/20—Organic adsorbents
- B01D2253/206—Ion exchange resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/30—Physical properties of adsorbents
- B01D2253/34—Specific shapes
- B01D2253/342—Monoliths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0658—Filter elements specially adapted for their arrangement in vehicles
Definitions
- the invention relates to an adsorption filter element, in particular an adsorption filter element for use as an interior filter in a motor vehicle.
- Activated carbon is a suitable adsorbent.
- adsorption filters especially activated carbon filters
- the adsorption filter picks up this concentration and then releases it again in a clearly lower concentration over a longer period of time (desorption).
- desorption a certain proportion of the incoming gases cannot be released completely. It remains on the adsorption medium and over the long term blocks the adsorption sites for new gas molecules.
- inflowing gas peaks can be buffered less well until they are finally so strongly concentrated by the adsorption filter that they can be smelled on the downstream side.
- DE 197 08 692 A1 discloses a high-performance adsorption filter with two zones, the first of which is distinguished by a high capacity with little pressure loss, while the second consists of an activated carbon sheet having a lower capacity but very good kinetics.
- DE 41 34 222 A1 describes a filter for passenger cells, which is characterized in that both a particle filter layer and an adsorption layer are applied to the same air-permeable carrier material.
- DE 39 04 623 A1 discloses a filter, in particular for cleaning the air supplied to a passenger compartment of a vehicle, the filter having a particle filter layer and an adsorber filter layer which are arranged one behind the other in the air flow direction.
- the particle filter layer is arranged flat next to the adsorber filter layer and folded together with it in a zigzag fashion, i.e., pleated, so that the folded sections of the adsorber filter layer and the folded sections of the particle filter layer lie in the air flow direction and interlock.
- the aim of the present invention is therefore to provide an effective adsorption filter element which overcomes the disadvantages of the prior art and allows ever longer maintenance intervals with an increasingly restricted installation space.
- the filter element flowing through being in direct contact with a flow-through and thus very compact built adsorbent package or adsorption storage.
- the adsorber density can be made 2 to 20 times higher here.
- the direct contact of the two basic elements surprisingly results in a concentration equalization of the gases adsorbed by the filter element flowing through and the storage medium through which there is no flow, which strongly supports the long-term effect of the filter element.
- the flexible use of the installation space is optimized in the solution according to the invention in that the adsorption storage device can take any shape and can use dead volume in terms of construction, as long as there is a material connection between the adsorption storage device and the filter medium through which it flows.
- the filter element used is not limited to the two basic components, but rather a coupling of the two basic elements in chain form is also conceivable, for example.
- the adsorption storage will be significantly cheaper to manufacture, at least in the case of simple geometric shapes, than the flowed through filter element, i.e. the first component. With separately replaceable filter components, this can result in a considerably longer service life for the filter element at comparatively very low costs.
- the design of the filter element according to the invention thus offers a whole range of different advantages over the known designs.
- the non-desorbable gas molecules In order to keep the concentration on the adsorbent as low as possible, the non-desorbable gas molecules must be derived. This is possible if there is a material connection and a concentration gradient. The gas molecules will try to distribute themselves as evenly as possible on the existing surfaces. An adsorption storage offers an enormous surface reservoir. Ultimately, with the embodiment according to the invention, the non-desorbable gas molecules are not pushed away, but rather because of the multiple total capacity of the system, the concentration increase thereof takes place significantly more slowly.
- the adsorbent in the adsorption storage can consist, for example, of activated carbon, a baked activated carbon / hot-melt adhesive mixture, an activated carbon monolith or zeolites.
- the first component can contain, for example, an ion exchange material as the adsorbent and can be pleated in a zigzag shape, the pleated layer being able to be constructed from conventional, known adsorption filter media.
- a PUR foam layer impregnated with an adsorbent is also conceivable.
- the first component can be connected on the upstream side to a particle filter medium and mechanically reinforced on the downstream side by a nonwoven or a scrim.
- the fleece can be designed as a particle-blocking fleece, which protects against the blowing off of adsorber particles.
- the entire filter element according to the invention can be cast into an injection molding frame, and the frame of the filter element can consist of a textile edge band or of reinforced cardboard.
- a combination of textile edging and reinforcing elements made of extruded polymer material or injection molded parts is also possible, as is a combination of reinforced cardboard and such reinforcing elements.
- Any free spaces in the installation space of the motor vehicle can be used optimally, since the adsorption storage can take any shape.
- a great advantage of the adsorption filter element according to the invention is that the filter components are easily separable and can be reassembled.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003278094A AU2003278094A1 (en) | 2002-10-17 | 2003-10-16 | Adsorbing filter element |
| DE10393496T DE10393496B4 (de) | 2002-10-17 | 2003-10-16 | Adsorptionsfilterelement |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002148518 DE10248518A1 (de) | 2002-10-17 | 2002-10-17 | Adsorptionsfilterelement |
| DE10248518.6 | 2002-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004035177A1 true WO2004035177A1 (de) | 2004-04-29 |
Family
ID=32049376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2003/011476 Ceased WO2004035177A1 (de) | 2002-10-17 | 2003-10-16 | Adsorptionsfilterelement |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2003278094A1 (de) |
| DE (2) | DE10248518A1 (de) |
| WO (1) | WO2004035177A1 (de) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365541A (en) * | 1980-12-12 | 1982-12-28 | Caterpillar Tractor Co. | Filter arrangement for an air circulatory system |
| DE4134222A1 (de) * | 1991-10-16 | 1993-04-22 | Hasso Von Bluecher | Filter fuer fahrgastzellen |
| DE4338100C1 (de) * | 1993-11-08 | 1994-12-01 | Daimler Benz Ag | Filtereinrichtung |
| DE4413606A1 (de) * | 1994-03-04 | 1995-11-16 | Hasso Von Bluecher | Kombifilter für Kfz-Innenräume |
| DE19708692A1 (de) * | 1997-03-04 | 1998-09-17 | Bluecher Gmbh | Hochleistungsadsorptionsfilter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3904623A1 (de) * | 1989-02-16 | 1990-08-23 | Sandler Helmut Helsa Werke | Filter, insbes. fuer ein fahrzeug |
-
2002
- 2002-10-17 DE DE2002148518 patent/DE10248518A1/de not_active Withdrawn
-
2003
- 2003-10-16 AU AU2003278094A patent/AU2003278094A1/en not_active Abandoned
- 2003-10-16 WO PCT/EP2003/011476 patent/WO2004035177A1/de not_active Ceased
- 2003-10-16 DE DE10393496T patent/DE10393496B4/de not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365541A (en) * | 1980-12-12 | 1982-12-28 | Caterpillar Tractor Co. | Filter arrangement for an air circulatory system |
| DE4134222A1 (de) * | 1991-10-16 | 1993-04-22 | Hasso Von Bluecher | Filter fuer fahrgastzellen |
| DE4338100C1 (de) * | 1993-11-08 | 1994-12-01 | Daimler Benz Ag | Filtereinrichtung |
| DE4413606A1 (de) * | 1994-03-04 | 1995-11-16 | Hasso Von Bluecher | Kombifilter für Kfz-Innenräume |
| DE19708692A1 (de) * | 1997-03-04 | 1998-09-17 | Bluecher Gmbh | Hochleistungsadsorptionsfilter |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10393496B4 (de) | 2011-05-19 |
| AU2003278094A1 (en) | 2004-05-04 |
| DE10393496A5 (de) | 2007-05-24 |
| DE10248518A1 (de) | 2004-04-29 |
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