WO1999067008A1 - Filter system with a v-shaped filter cartridge - Google Patents

Filter system with a v-shaped filter cartridge Download PDF

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Publication number
WO1999067008A1
WO1999067008A1 PCT/EP1999/004184 EP9904184W WO9967008A1 WO 1999067008 A1 WO1999067008 A1 WO 1999067008A1 EP 9904184 W EP9904184 W EP 9904184W WO 9967008 A1 WO9967008 A1 WO 9967008A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
folds
shaped
cartridge
filteφatrone
Prior art date
Application number
PCT/EP1999/004184
Other languages
German (de)
French (fr)
Inventor
Walter Trefz
Original Assignee
Filterwerk Mann+Hummel Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Filterwerk Mann+Hummel Gmbh filed Critical Filterwerk Mann+Hummel Gmbh
Publication of WO1999067008A1 publication Critical patent/WO1999067008A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B01D46/121—V-type arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/02—Filtering elements having a conical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/305—Snap, latch or clip connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4084—Snap or Seeger ring connecting means

Definitions

  • the invention relates to a filter system with a v-shaped filter cartridge according to the preamble of claim 1.
  • the invention also relates to a filter cartridge suitable for use in the above-mentioned filter system according to the preamble of independent claim 4.
  • the object of the invention is a combination of the advantages of an optimized volume of the inlet and outlet and the smallest possible necessary sealing surface.
  • the filter system according to the invention consists of a housing into which a V-shaped filter cartridge can be inserted through an opening.
  • the opening can be closed with a lid. Sealing is required between the housing and its cover and between the raw and clean side of the filter cartridge in the housing.
  • the filter cartridge is now designed such that at least one of the two wedge-shaped side surfaces consists of at least four filter folds. The two middle filter folds are pinched on one side into the wedge-shaped interior of the V-filter cartridge. The need for a seal on this side surface is therefore eliminated because the two flat filter parts can be made from a filter web.
  • a sensible embodiment of the invention provides for the construction of the wedge-shaped side surfaces of the filter cartridges described on both sides. Similar to round filter cartridges, the filter paper for this variant can be joined together in a ring using a clamping rail. A seal is then only necessary on the w-shaped end faces of the filter cartridge. It is advantageous to cast the end faces in a plastic, in particular a PU foam, for the seal. This gives the cartridge a basic dimensional stability.
  • a support body which can be cast into the end faces of the paper bellows, can be used on the clean air side to increase the rigidity.
  • the support body can be made of plastic so that the V-cartridge can be metal-free, i.e. fully incinerable.
  • Another variant of the invention provides additional folds on the filter folds that span the wedge-shaped interior of the filter cartridge. This has the advantage that the filter folds do not extend so far into the wedge-shaped interior of the filter cartridge. It is advantageous to place the clean side of the filter cartridge in the wedge-shaped interior.
  • the filter housing can then be designed in such a way that the filter system is sealed off from the outside or between the raw and clean side by fitting the housing cover. For this purpose, this is provided with corresponding sealing surfaces, which interact with the filter closure on the filter cartridge made of PU foam.
  • a variant of the invention provides for the two flat filter parts, from which the V-cartridge is made, to be bulbous. This enables a smaller fold division to be achieved.
  • the filter paper is poured into the filter ends in the bulbous form.
  • FIG. 2 shows the section AA according to FIG. 1 through the filter paper
  • 3 shows a representation corresponding to FIG. 2 with additional folds in the filter folds forming the wedge-shaped side wall
  • Figure 4 is a view of the v-shaped filter cartridge on the wedge-shaped
  • FIG. 5 shows the V-filter cartridge installed in the housing.
  • FIG. 1 The basic structure of a V-shaped filter cartridge can be seen in FIG.
  • a filter web 10 is folded in a W shape and its ends are connected to one another by a clamping rail 11. This creates an annular shape of the filter web.
  • the V-shape of the filter cartridge is generated by pulling apart two filter folds 12 on opposite side surfaces 13 on an upper end face 14 and folding them into a wedge-shaped interior 17 on a lower end face 15.
  • the entire side surface of the filter cartridge is formed by the filter fold 12 and the filter folds 16. More than two filter folds 12, e.g. four filter folds form the wedge-shaped interior 17 of the filter cartridge.
  • Figure 2 is a section through the filter paper.
  • the filter folds 12 drawn into the interior 17 can be seen here. These filter folds are curved in section since the front edges of the filter folds have a twist angle of 90 ° (see also FIG. 1).
  • Figure 3 shows a section corresponding to Figure 2 through the filter paper.
  • the filter paper is held together in a ring shape by the clamping rail 11.
  • the filter folds 12 each have an additional fold 18.
  • the real one Edge 19 between the filter folds 12 therefore lies in the plane of the side surface 13 of the filter cartridge.
  • Figure 4 shows a Filte ⁇ atrone 20 as it is suitable for installation.
  • the end faces 14, 15 of the filter web 10 are cast in an upper filter end 21 and a lower filter end 22 made of PU foam. Since the filter web 10 is closed in a ring shape, complete sealing of the filter cartridge by the upper and lower filter ends 21, 22 is possible.
  • FIG. 5 shows an installation example of the filter cartridge 20 in a housing 23.
  • the housing is pot-shaped and has a cover 24 which is held on the housing by snap connections 25. If the filter cartridge 20 is inserted into the housing 23, the lower filter end 22 comes to rest on support ribs 26 in the housing base. The upper filter cover 21 is clamped by sealing surfaces 27 after the cover 24 has been put on.
  • the housing 23 has an inlet 28 on the raw side.
  • a purely outlet 29 is integrated in the cover.
  • the outlet can have an additional support projection 30 which engages in the upper filter end 21 in order to avoid deformation of the filter cartridge due to the pressure difference between the raw and clean side.
  • the housing is preferably made of plastic.

Abstract

A filter system comprises a wedge-shaped filter cartridge composed of a folded, concertina-like filter web the ends of which are retained together by a clip (11). Two opposite filter folds (12) are folded out of the thus obtained annular body, allowing the filter paper to take a wedge shape, the filter folds (12) forming the side walls of the wedge-shaped inner cavity. As a result, it is not necessary to seal the filter cartridge at these side surfaces, since these are part of the filter paper itself. The cost of manufacturing these wedge-shaped filter cartridges therefore substantially corresponds to the cost of manufacturing round filter cartridges, while retaining the advantages due to the small mounting space required by wedge-shaped filter cartridges.

Description

Filtersystem mit v-förmiger Filterpatrone Filter system with v-shaped filter cartridge
Beschreibungdescription
Stand der TechnikState of the art
Die Erfindung betrifft ein Filtersystem mit v-förmiger Filterpatrone nach der Gattung des Patentanspruches 1. Außerdem betrifft die Erfindung eine zum Einsatz in das oben genannte Filtersystem geeignete Filterpatrone nach der Gattung des unabhängigen Anspruches 4.The invention relates to a filter system with a v-shaped filter cartridge according to the preamble of claim 1. The invention also relates to a filter cartridge suitable for use in the above-mentioned filter system according to the preamble of independent claim 4.
Die Zusammenfasung von Flachfiltern zu v-förmigen Filterpatronen ist hinlänglich bekannt. Diese Maßnahmen dient zur Optimierung der Durchströmungsverhältnisse an der Filterpatrone wobei der benötigte Raum für die Ab- und Zuleitungskanäle minimiert wird. Nachteilig an dieser Anordnung ist jedoch der erhöhte Dichtungsaufwand. Die v-förmigen Stirnseiten der Filterpatrone müssen entweder mit einer Außenwand versehen werden oder einzeln gegen das Gehäuse abgedichtet werden.The combination of flat filters into v-shaped filter cartridges is well known. These measures serve to optimize the flow conditions on the filter cartridge, the space required for the discharge and supply ducts being minimized. However, the disadvantage of this arrangement is the increased outlay on sealing. The v-shaped end faces of the filter cartridge must either be provided with an outer wall or individually sealed against the housing.
Eine Optimierung des Dichtaufwandes wird durch die Verwendung bekannter Rundfilterpatronen erreicht. Die Dichtung kann bei dieser Bauform auf eine Lippe am reinseiteigen Austritt beschränkt werden. Die Gehäuse für Rundfilterpatronen fallen im allgemeinen voluminöser aus. Zudem entsteht durch ihren zylindrischen Aufbau im Einbauraum häufig ein schwer nutzbares Totvolumen.An optimization of the sealing effort is achieved by using known round filter cartridges. With this design, the seal can be limited to a lip on the clean-side outlet. The housings for round filter cartridges are generally more voluminous. In addition, their cylindrical structure in the installation space often results in a dead volume that is difficult to use.
Die Aufgabe der Erfindung besteht in einer Kombination der Vorteile eines optimierten Volumens des Ein- bzw. Auslasses und einer möglichst geringen nötigen Dichtfläche.The object of the invention is a combination of the advantages of an optimized volume of the inlet and outlet and the smallest possible necessary sealing surface.
Diese Aufgabe wird durch die Merkmale des Patentanspruches 1 gelöst. Vorteile der ErfindungThis object is solved by the features of claim 1. Advantages of the invention
Das erfindungsgemäße Filtersystem besteht aus einem Gehäuse, in das durch eine Öffnung eine v-förmige Filterpatrone eingesetzt werden kann. Die Öffnung kann durch einen Deckel verschlossen werden. Dichtungsbedarf entsteht zwischen Gehäuse und dessen Deckel sowie zwischen Roh- und Reinseite der Filterpatrone im Gehäuse. Die Filterpatrone ist nun derart gestaltet, daß zumindest eine der beiden keilförmigen Seitenflächen aus zumindest vier Filterfaltungen besteht. Dabei werden die beiden mittleren Filterfaltungen einseitig in den keilförmigen Innenraum der V-Filterpatrone hineingeknifft. Das Erfordernis einer Dichtung an dieser Seitenfläche entfällt daher, weil die beiden Flachfilterteile aus einer Filterbahn gefertigt sein können.The filter system according to the invention consists of a housing into which a V-shaped filter cartridge can be inserted through an opening. The opening can be closed with a lid. Sealing is required between the housing and its cover and between the raw and clean side of the filter cartridge in the housing. The filter cartridge is now designed such that at least one of the two wedge-shaped side surfaces consists of at least four filter folds. The two middle filter folds are pinched on one side into the wedge-shaped interior of the V-filter cartridge. The need for a seal on this side surface is therefore eliminated because the two flat filter parts can be made from a filter web.
Eine sinnvolle Ausgestaltung der Erfindung sieht den oben beschriebenen Aufbau der keilförmigen Seitenflächen der Filterpatronen auf beiden Seiten vor. Ähnlich wie bei Rundfilterpatronen kann das Filterpapier für diese Variante durch eine Klemmschiene ringförmig zusammengefügt werden. Eine Dichtung ist dann nur an den w-förmig gefalteten Stirnseiten der Filterpatrone notwendig. Es ist vorteilhaft, für die Dichtung die Stirnseiten in einem Kunststoff, insbesondere einen PU-Schaum, einzugießen. Dieser verleiht der Patrone eine Grundformbeständigkeit. Zur Erhöhung der Steifigkeit kann reinluftseitig ein Abstützkörper, welcher in die Stirnflächen des Papierbalgs eingegossen sein kann, eingesetzt werden. Damit die V-Patrone metallfrei, das heißt voll veraschbar ist, kann der Stützkörper in Kunststoff ausgeführt werden.A sensible embodiment of the invention provides for the construction of the wedge-shaped side surfaces of the filter cartridges described on both sides. Similar to round filter cartridges, the filter paper for this variant can be joined together in a ring using a clamping rail. A seal is then only necessary on the w-shaped end faces of the filter cartridge. It is advantageous to cast the end faces in a plastic, in particular a PU foam, for the seal. This gives the cartridge a basic dimensional stability. A support body, which can be cast into the end faces of the paper bellows, can be used on the clean air side to increase the rigidity. The support body can be made of plastic so that the V-cartridge can be metal-free, i.e. fully incinerable.
Eine weitere Variante der Erfindung sieht an den Filterfaltungen, die den keilförmigen Innenraum der Filterpatrone aufspannen, zusätzliche Falze vor. Dies hat den Vorteil, daß die Filterfaltungen nicht so weit in den keilförmigen Innenraum der Filterpatrone reichen. Es ist vorteilhaft, die Reinseite der Filterpatrone in den keilförmigen Innenraum zu legen. Das Fiitergehäuse kann dann derart gestaltet werden, daß eine Abdichtung des Filtersystems nach außen bzw. zwischen Roh- und Reinseite durch Aufsetzen des Gehäusedeckels erfolgt. Dieser wird hierfür mit korrespondierenden Dichtflächen versehen, die mit dem Filterabschluß an der Filterpatrone aus PU-Schaum zusammenwirken.Another variant of the invention provides additional folds on the filter folds that span the wedge-shaped interior of the filter cartridge. This has the advantage that the filter folds do not extend so far into the wedge-shaped interior of the filter cartridge. It is advantageous to place the clean side of the filter cartridge in the wedge-shaped interior. The filter housing can then be designed in such a way that the filter system is sealed off from the outside or between the raw and clean side by fitting the housing cover. For this purpose, this is provided with corresponding sealing surfaces, which interact with the filter closure on the filter cartridge made of PU foam.
Eine Variante der Erfindung sieht vor, die beiden Flachfilteranteile, aus denen die V-Patrone besteht, bauchig auszuführen. Dadurch läßt sich eine geringere Faltenteilung realisieren. Das Filterpapier wird hier bei in der bauchigen Form in die Filterabschlüsse eingegossen.A variant of the invention provides for the two flat filter parts, from which the V-cartridge is made, to be bulbous. This enables a smaller fold division to be achieved. The filter paper is poured into the filter ends in the bulbous form.
Diese und weitere Merkmale von bevorzugten Weiterbildungen der Erfindung gehen außer aus den Ansprüchen auch aus der Beschreibung und den Zeichnungen hervor, wobei die einzelnen Merkmale jeweils für sich allein oder zu mehreren in Form von Unterkombinationen bei der Ausführungsform der Erfindung und auf anderen Gebieten verwirklicht sein und vorteilhafte sowie für sich schutzfähige Ausführungen darstellen können, für die hier Schutz beansprucht wird.These and further features of preferred developments of the invention are evident from the claims and also from the description and the drawings, the individual features being implemented individually or in groups in the form of subcombinations in the embodiment of the invention and in other fields, and can represent advantageous and protectable versions for which protection is claimed here.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung wird in der Zeichnung anhand von schematischen Ausführungsbeispielen beschrieben. Hierbei zeigen:An embodiment of the invention is described in the drawing using schematic embodiments. Here show:
Figur 1 die Geometrie der Faltung der v-förmigen Patrone in einer perspektivischen Ansicht,1 shows the geometry of the folding of the v-shaped cartridge in a perspective view,
Figur 2 den Schnitt A-A gemäß Figur 1 durch das Filterpapier, Figur3 eine Figur 2 entsprechende Darstellung mit zusätzlichen Falzen in den die keilförmige Seitenwand bildenden Filterfaltungen,FIG. 2 shows the section AA according to FIG. 1 through the filter paper, 3 shows a representation corresponding to FIG. 2 with additional folds in the filter folds forming the wedge-shaped side wall,
Figur4 eine Ansicht der v-förmigen Filterpatrone auf die keilförmigeFigure 4 is a view of the v-shaped filter cartridge on the wedge-shaped
Seitenfläche, wobei die w-förmigen Stirnseiten der Filterpatrone mit Filterabschlüssen aus PU-Schaum versehen sind undSide surface, wherein the w-shaped end faces of the filter cartridge are provided with filter closures made of PU foam and
Figur 5 die V-Filterpatrone im in das Gehäuse eingebauten Zustand.Figure 5 shows the V-filter cartridge installed in the housing.
Beschreibung der AusführungsbeispieleDescription of the embodiments
Der Figur 1 kann der prinzipielle Aufbau einer V-förmigen Filterpatrone entnommen werden. Eine Filterbahn 10 ist w-förmig gefaltet und deren Enden sind durch eine Klemmschiene 11 miteinander verbunden. Dadurch entsteht eine ringförmige Gestalt der Filterbahn. Die V-Form der Filterpatrone wird erzeugt, indem je zwei Filterfaltungen 12 an sich gegenüberliegenden Seitenflächen 13 an einer oberen Stirnseite 14 auseinandergezogen und an einer unteren Stirnseite 15 in einen keilförmigen Innenraum 17 hineingeklappt werden. Die gesamte Seitenfläche der Filterpatrone wird durch die Filterfaltung 12 sowie die Filterfaltungen 16 gebildet. Es können auch mehr als zwei Filterfaltungen 12, z.B. vier Filterfaltungen den keilförmigen Innenraum 17 der Filterpatrone bilden.The basic structure of a V-shaped filter cartridge can be seen in FIG. A filter web 10 is folded in a W shape and its ends are connected to one another by a clamping rail 11. This creates an annular shape of the filter web. The V-shape of the filter cartridge is generated by pulling apart two filter folds 12 on opposite side surfaces 13 on an upper end face 14 and folding them into a wedge-shaped interior 17 on a lower end face 15. The entire side surface of the filter cartridge is formed by the filter fold 12 and the filter folds 16. More than two filter folds 12, e.g. four filter folds form the wedge-shaped interior 17 of the filter cartridge.
Figur 2 ist ein Schnitt durch das Filterpapier. Hier sind die in den Innenraum 17 hineingezogenen Filterfaltungen 12 zu erkennen. Diese Filterfaltungen sind im Schnitt gekrümmt da die stirnseitigen Kanten der Filterfaltungen einen Verdrehungswinkel von 90° aufweisen (siehe auch Figur 1 ).Figure 2 is a section through the filter paper. The filter folds 12 drawn into the interior 17 can be seen here. These filter folds are curved in section since the front edges of the filter folds have a twist angle of 90 ° (see also FIG. 1).
Figur 3 zeigt einen Figur 2 entsprechenden Schnitt durch das Filterpapier. Das Filterpapier wird durch die Klemmschiene 11 ringfömig zusammengehalten. Die Filterfaltungen 12 weisen je einen zusätzlichen Falz 18 auf. Die eigentliche Kante 19 zwischen den Filterfaltungen 12 liegt daher in der Ebene der Seitenfläche 13 der Filterpatrone.Figure 3 shows a section corresponding to Figure 2 through the filter paper. The filter paper is held together in a ring shape by the clamping rail 11. The filter folds 12 each have an additional fold 18. The real one Edge 19 between the filter folds 12 therefore lies in the plane of the side surface 13 of the filter cartridge.
Figur 4 zeigt eine Filteφatrone 20 wie sie zum Einbau geeignet ist. Die Stirnseiten 14, 15 der Filterbahn 10 sind in einem oberen Filterabschluß 21 und einem unteren Filterabschluß 22 aus PU-Schaum eingegossen. Da die Filterbahn 10 ringförmig geschlossen ist, ist eine vollständige Abdichtung der Filteφatrone durch den oberen sowie unteren Filterabschluß 21 , 22 möglich.Figure 4 shows a Filteφatrone 20 as it is suitable for installation. The end faces 14, 15 of the filter web 10 are cast in an upper filter end 21 and a lower filter end 22 made of PU foam. Since the filter web 10 is closed in a ring shape, complete sealing of the filter cartridge by the upper and lower filter ends 21, 22 is possible.
Figur 5 zeigt ein Einbaubeispiel der Filterpatrone 20 in ein Gehäuse 23. Das Gehäuse ist topfförmig und besitzt einen Deckel 24 der durch Schnappverbindungen 25 auf dem Gehäuse gehalten wird. Wird die Filterpatrone 20 in das Gehäuse 23 eingesetzt, kommt der untere Filterabschluß 22 auf Stützrippen 26 im Gehäuseboden zum liegen. Der obere Filterabschluß 21 wird nach Aufsetzen des Deckels 24 durch Dichtflächen 27 eingeklemmt.FIG. 5 shows an installation example of the filter cartridge 20 in a housing 23. The housing is pot-shaped and has a cover 24 which is held on the housing by snap connections 25. If the filter cartridge 20 is inserted into the housing 23, the lower filter end 22 comes to rest on support ribs 26 in the housing base. The upper filter cover 21 is clamped by sealing surfaces 27 after the cover 24 has been put on.
Das Gehäuse 23 besitzt einen rohseitigen Einlaß 28. Ein reinseitiger Auslaß 29 ist in den Deckel integriert. Der Auslaß kann einen zusätzlichen Stützansatz 30 aufweisen, der in den oberen Filterabschluß 21 eingreift um eine Verformung der Filteφatrone auf Grund des Druckgefälles zwischen Roh- und Reinseite zu vermeiden. Das Gehäuse ist bevorzugt aus Kunststoff hergestellt. The housing 23 has an inlet 28 on the raw side. A purely outlet 29 is integrated in the cover. The outlet can have an additional support projection 30 which engages in the upper filter end 21 in order to avoid deformation of the filter cartridge due to the pressure difference between the raw and clean side. The housing is preferably made of plastic.

Claims

Patentansprüche claims
1. Filtersystem mit v-förmiger Filterpatrone (20), umfassend ein Gehäuse (23) mit einem rohseitigen Einlaß (28) und einem reinseitigen Auslaß (29), einer Einbauöffnung für die Filteφatrone, die mit einem Deckel (24) versehen ist, sowie Mittel zur Abdichtung des Deckels und des Übergangs zwischen Roh- und Reinluftseite, dadurch gekennzeichnet, daß mindestens eine Seitenfläche (13) der Filteφatrone aus mindestens vier Filterfaltungen (12, 16) besteht, wobei die Filterfaltungen (12, 16) Bestandteil einer w-förmig gefalteten Filterbahn (10) sind.1. Filter system with a V-shaped filter cartridge (20), comprising a housing (23) with a raw inlet (28) and a clean outlet (29), an installation opening for the Filteφatrone, which is provided with a lid (24), and Means for sealing the cover and the transition between the raw and clean air side, characterized in that at least one side surface (13) of the filter cartridge consists of at least four filter folds (12, 16), the filter folds (12, 16) being part of a w-shape folded filter web (10).
2. Filtersystem nach Anspruch 1 , dadurch gekennzeichnet, daß sich die Reinseite des Filters im Innenraum (17) der Filterpatrone (20) befindet.2. Filter system according to claim 1, characterized in that the clean side of the filter is in the interior (17) of the filter cartridge (20).
3. Filtersystem nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß Dichtflächen (27) an den Innenwänden des Gehäuses (23) und/oder des Deckels (24) vorgesehen sind, die mit einem oberen Filterabschluß (21) korrespondieren.3. Filter system according to one of the preceding claims, characterized in that sealing surfaces (27) on the inner walls of the housing (23) and / or the cover (24) are provided, which correspond to an upper filter closure (21).
4. Filteφatrone (20) zum Einbau in ein Filtersystem nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß mindestens eine Seitenfläche (13) der Filteφatrone aus mindestens vier Filterfaltungen (12, 16) besteht, wobei die Filterfaltungen (12, 16) Bestandteil einer w-förmig gefalteten Filterbahn (10) sind.4. Filteφatrone (20) for installation in a filter system according to one of the preceding claims, characterized in that at least one side surface (13) of the Filteφatrone consists of at least four filter folds (12, 16), the filter folds (12, 16) being part of a Filter sheet (10) folded in a w-shape.
5. Filteφatrone nach Anspruch 4, dadurch gekennzeichnet, daß die Filterbahn (10) durch Verbindungsmittel, insbesondere einer Klemmschiene (11), ringförmig zusammengefügt ist. 5. Filteφatrone according to claim 4, characterized in that the filter web (10) by connecting means, in particular a clamping rail (11), is assembled in a ring.
6. Filteφatrone nach einem der Ansprüche 4 bis 5, dadurch gekennzeichnet, daß die einen v-förmigen Innenraum (17) bildenden Teile der Filterfaltungen (12) zusätzliche Falze (18) aufweisen.6. Filteφatrone according to one of claims 4 to 5, characterized in that the v-shaped interior (17) forming parts of the filter folds (12) have additional folds (18).
7. Filteφatrone nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, daß Dichtmittel aus Kunststoff, insbesondere einem PU-Schaum, vorgesehen sind, und den oberen Filterabschluß (21) sowie einen unteren Filterabschluß (22) bilden.7. Filteφatrone according to one of claims 4 to 6, characterized in that sealing means made of plastic, in particular a PU foam, are provided, and form the upper filter closure (21) and a lower filter closure (22).
8. Filteφatrone nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet daß die beiden Flachfilteranteile der V-Patrone eine bauchige Form aufweisen. 8. Filteφatrone according to any one of claims 4 to 7, characterized in that the two flat filter portions of the V-cartridge have a bulbous shape.
PCT/EP1999/004184 1998-06-24 1999-06-17 Filter system with a v-shaped filter cartridge WO1999067008A1 (en)

Applications Claiming Priority (2)

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DE19828049A DE19828049B4 (en) 1998-06-24 1998-06-24 Filter system with V-shaped filter cartridge
DE19828049.1 1998-06-24

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JP2012529982A (en) * 2009-06-16 2012-11-29 マン ウント フンメル ゲゼルシャフト ミット ベシュレンクテル ハフツング CONNECTION ELEMENT FOR MULTILAYER MEDIUM, FILTER ELEMENT, AND METHOD FOR CONNECTING THIN LAYER MEDIUM
CN104667669A (en) * 2013-11-26 2015-06-03 曼胡默尔有限公司 Inner cavity filter and filter assembly
CN104667669B (en) * 2013-11-26 2019-06-18 曼·胡默尔有限公司 Inner cavity filter and filter assemblies

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DE19828049A1 (en) 1999-12-30

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