EP1103647A2 - Filtering device for a laundry dryer - Google Patents

Filtering device for a laundry dryer Download PDF

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Publication number
EP1103647A2
EP1103647A2 EP00125570A EP00125570A EP1103647A2 EP 1103647 A2 EP1103647 A2 EP 1103647A2 EP 00125570 A EP00125570 A EP 00125570A EP 00125570 A EP00125570 A EP 00125570A EP 1103647 A2 EP1103647 A2 EP 1103647A2
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EP
European Patent Office
Prior art keywords
filter
filter device
filter body
dryer according
clothes dryer
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.)
Granted
Application number
EP00125570A
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German (de)
French (fr)
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EP1103647A3 (en
EP1103647B1 (en
Inventor
Matthias Herrmann
Thomas Vartmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
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Miele und Cie KG
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Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1103647A2 publication Critical patent/EP1103647A2/en
Publication of EP1103647A3 publication Critical patent/EP1103647A3/en
Application granted granted Critical
Publication of EP1103647B1 publication Critical patent/EP1103647B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the invention relates to a filter device for a tumble dryer with a cup-shaped trained filter body with an outer filter surface and an inner arranged therein Filter surface and an upstream side sealing the outer filter surface to the filter housing arranged sealing edge for an air flow directed into the interior of the pot.
  • Such a filter device is for a handheld vacuum cleaner from DE 196 53 570 A1 known.
  • the filter device is pot-shaped and on the air inlet side Sealed housing so that the air flow is directed into the interior of the filter body.
  • the dust particles settle on the inside of the filter surface.
  • the cup-shaped filter body has an outer filter surface in the manner of an open bag by a support structure is held.
  • the closed lower end of the bag is arched into the inside of the pot arranged and thus forms the inner filter surface arranged inside the filter body. This increases the effective filter area.
  • the support structure for the filter bag is designed to be resilient and expands under the influence of the suction air flow. at If the air flow ceases to exist, the supporting frame returns to its original shape. Through this Training, the dust particles deposited on the filter surface are shaken off and in Dust room collected.
  • This filter device is for manual cleaning of the filter surface not suitable for the filter bag due to the spring-elastic support structure.
  • a filter device for a clothes dryer in which a cup-shaped filter insert is inserted into a receiving body and in Intake air flow for the dry air is arranged.
  • the intake air for the dry air flow passed through a filter device to this air for a hygienic drying process rid of dust particles and the like.
  • the receiving body is cylindrical and has on its periphery suction openings for one directed into the filter interior Air flow on.
  • the filter insert can be removed from the holder body for cleaning become.
  • Such an intake air filter is for filtering out the lint from the process air flow not suitable.
  • the invention thus addresses the problem of a filter device suitable for manual cleaning for a tumble dryer with a large effective filter area for an optimal To design lint removal from the process air flow.
  • the filter device with a dimensionally stable support structure for an outer and one arranged therein inner filter body is formed.
  • the filter elements are arranged one inside the other Air flow through the special design of the support structure in parallel and not in succession flows through.
  • This configuration makes the effective filter area with a small installation space the filter device enlarged.
  • the filter bodies are together in the area of their bottom surfaces connected and removed together for cleaning. Behind the filter device the impeller is arranged, which is easy after removing the filter device is accessible and can also be cleaned.
  • a particular advantage is the divisible Design of the filter device.
  • the inner and outer filter bodies are made up together removed from the device and can be separated for cleaning. This is in the area of Bottom surfaces of the two filter bodies have a connection arrangement which connects the two filter bodies interlocked, provided.
  • FIG. 1 shows the arrangement of the filter device (1) according to the invention in shown a dryer.
  • the tumble dryer is rotatable in a housing (2) stored laundry drum (3), the loading opening (4) of the laundry drum (3) closing door (5), a blower (6) for generating a process air flow through the Washing drum (3) and a heating device (7).
  • the process air flow is via a Process air duct section (8) with the heating device (7) to the drum inlet (9) through which Laundry drum (3) and via a process air duct section (10) from the drum outlet (11) led to the blower (6).
  • the lint filter device (1) is the drum outlet (11) Process air downstream and preferably in the lower part of the process air duct section (10), which is designed as a filter housing (12).
  • the control of the process air flow through the clothes dryer is shown with arrows.
  • the lint filter device (1) is accessible from the front of the housing (2) and is accessible from the outside via a filter opening (13) inserted into the process air duct section (10).
  • the filter device (1) is this first embodiment behind a filter opening (13) in the process air duct section (10) tightly closing maintenance flap (14) in the front of the housing (2) and has a handle (15).
  • the design of this filter device (1) is shown in FIG. 2.
  • FIG 2 shows the filter device (1) to be arranged behind a maintenance flap (14) as Detail.
  • the filter device (1) consists of two columnar filter bodies (16, 17).
  • the filter bodies (16, 17) each consist of a dimensionally stable columnar Support structure that support the filter surfaces (18).
  • the inner filter body (17) is inside the outer filter body (16) arranged.
  • the filter bodies (16, 17) are in the area of their bottom surfaces connected with each other.
  • the filter body (16, 17) can be unsolvable or via a releasable connection to be connected.
  • the supporting structures of the two filter bodies (16, 17) form a seen in the air flow direction in the embodiment shown annular closed bottom surface (19).
  • the webs (20) end on the upper molded part on the upstream side Edge (21).
  • This edge (21) is a sealing edge to the filter housing (12) for the filter device (1, see also Figure 1).
  • the air flow becomes due to the formation of the sealing edge passed into the pot interior of the filter device (1).
  • From the inner ring the ring-shaped trained bottom surface (19) extends the inner filter body (17).
  • the In the embodiment shown, webs (22) end on the bottom surface (19) opposite side in a cover surface (23).
  • the top surface can be closed be trained.
  • the handle (15) is arranged, over which the entire Filter device (1) unlocked and can be removed.
  • the top surface (23) can also be used a further screen surface (not shown).
  • the inner filter body (17) is at the illustrated embodiment compared to the outer filter body (16) in the area the top surface (23) is elongated in the axial direction.
  • the top surface (23) is in the installed state in this variant behind the filter opening (13) in the process air duct (10) sealing final maintenance flap (14).
  • the inner and outer filter body (16, 17) are preferably releasably connected to one another so that the filter surfaces (18) are light are to be cleaned by hand.
  • the bottom surface is with a handle (24) trained.
  • FIG 3 shows the filter device according to another embodiment with an integrated Filter cover (25), which seals the filter opening (13).
  • the filter cover (25) is in the essentially flush in the front of the housing (2) and is with a recessed grip (26), in which is arranged a handle (27). With the handle (27) the entire filter device (1) can be removed from the filter opening (13). Training this Filter device (1) is shown in Figure 4.
  • In this version of the filter device (1) carries the top surface (23) of the inner filter body (17) for the integrated filter cover (25) the sealing end of the process air duct (10).
  • the filter cover (25) is one of the Filter opening (13) adapted circumferential seal (not shown).
  • Figure 4 shows the structure of the filter device according to Figure 3 as a detail.
  • the structure differs essentially only in the design of the top surface (23).
  • the ring-shaped bottom surface is also with a handle for better handling when separating formed by the inner and outer filter body (16, 17).
  • the filter cover (25) has one Locking device (28) for the filter device (1) in the filter opening (13).
  • the process air flow through the filter body (16, 17) of the filter device is shown in FIG (1).
  • the process air flow occurs in the area of the axially extended area of the inner filter body (17) radially into the filter device (1).
  • the air flow is divided into partial air flows in the filter body, in which a part of the process air via the inner filter body (17) in the direction of PL1 and Part is guided over the outer filter body (16) in the direction of PL2.
  • the fluff builds up the outside of the inner filter body (17) and on the inside of the outer filter body (16).
  • the filter device (1) is removed from the filter opening as a unit for cleaning purposes (13) taken.
  • the lint accumulation is located inside the drip of the filter device (1).
  • the two filter bodies (16, 17) Cut.
  • the lint can well from the outer surface of the inner filter body (17) and Inner surface of the outer filter body (16) can be eliminated.
  • the air flow in the filter device (1) according to FIG. 4 is as described for FIG. 2.
  • a major difference here is in the top surface (23), with an integrated filter cover (25), which seals the filter opening (13) in the process air duct (10). So that's not it Handle shown for the filter device (1) not in the process air flow.
  • the handle for the filter device is arranged on the top surface (23) (1) in the process air flow behind the maintenance flap (14).
  • the filter bodies (16, 17) are columnar in the exemplary embodiment shown.
  • the columns can have different cross-sectional shapes.
  • the preferred The cross-sectional shape is approximately elliptical for the outer filter body (16) and for the inner one Filter body (16) circular.
  • Another embodiment is the combination of outer filter body (16) with a circular cross section and inner filter body (17) with elliptical cross section possible.
  • Both filter bodies (16, 17) can also be circular or elliptical cross sections.

Abstract

The filter device has a pot-shaped filter body held by a bearer structure with external and internal filter surfaces (18) and a sealing edge sealing the external filter surface to the filter housing for an air flow directed into the pot interior. The external and internal filter surfaces are each held by a stable shaped columnar bearer structure and with it form outer and inner bodies (16,17) that are connected near the bottom surfaces.

Description

Die Erfindung betrifft eine Filtereinrichtung für einen Wäschetrockner mit einem topfförmig ausgebildeten Filterkörper mit einer äußeren Filterfläche und einer darin angeordneten inneren Filterfläche und einem die äußere Filterfläche zum Filtergehäuse abdichtenden anströmseitig angeordneten Dichtrand für eine in das Topfinnere gerichtete Luftströmung.The invention relates to a filter device for a tumble dryer with a cup-shaped trained filter body with an outer filter surface and an inner arranged therein Filter surface and an upstream side sealing the outer filter surface to the filter housing arranged sealing edge for an air flow directed into the interior of the pot.

Eine derartige Filtereinrichtung ist für einen Handstaubsauger aus der DE 196 53 570 A1 bekannt. Die Filtereinrichtung ist topfförmig ausgebildet und auf der Lufteintrittseite zum Gehäuse hin abgedichtet, so dass der Luftstrom in das Innere des Filterkörpers geleitet wird. Die Staubpartikel setzen sich auf der Innenseite der Filterfläche ab. Der topfförmige Filterkörper weist eine äußere Filterfläche in der Art eines offenen Beutels auf, der von einer Tragstruktur gehalten wird. Das geschlossene untere Ende des Beutels ist in das Topfinnere gewölbt angeordnet und bildet so die im Inneren des Filterkörpers angeordnete innere Filterfläche. Dadurch wird die wirksame Filterfläche vergrößert. Die Tragstruktur für den Filterbeutel ist federelastisch ausgebildet und expandiert unter der Einwirkung des Saugluftstromes. Bei Wegfall der Luftströmung geht das Traggestell in die ursprüngliche Form zurück. Durch diese Ausbildung werden die auf der Filterfläche abgelagerten Staubpartikel abgerüttelt und im Staubraum gesammelt. Für eine manuelle Reinigung der Filterfläche ist diese Filtereinrichtung aufgrund der federelastisch ausgebildeten Tragstruktur für den Filterbeutel nicht geeignet.Such a filter device is for a handheld vacuum cleaner from DE 196 53 570 A1 known. The filter device is pot-shaped and on the air inlet side Sealed housing so that the air flow is directed into the interior of the filter body. The dust particles settle on the inside of the filter surface. The cup-shaped filter body has an outer filter surface in the manner of an open bag by a support structure is held. The closed lower end of the bag is arched into the inside of the pot arranged and thus forms the inner filter surface arranged inside the filter body. This increases the effective filter area. The support structure for the filter bag is designed to be resilient and expands under the influence of the suction air flow. at If the air flow ceases to exist, the supporting frame returns to its original shape. Through this Training, the dust particles deposited on the filter surface are shaken off and in Dust room collected. This filter device is for manual cleaning of the filter surface not suitable for the filter bag due to the spring-elastic support structure.

Aus der DE 196 44 400 A1 ist eine Filtereinrichtung für einen Wäschetrockner bekannt, bei der ein topfförmig ausgebildeter Filtereinsatz in einen Aufnahmekörper eingesetzt wird und im Ansaugluftstrom für die Trockenluft angeordnet ist. Hier wird die Ansaugluft für den Trockenluftstrom über eine Filtereinrichtung geführt, um diese Luft für einen hygienischen Trocknungsvorgang von Staubpartikeln und dgl. zu befreien. Der Aufnahmekörper ist zylindrisch ausgebildet und weist an seinem Umfang Ansaugöffnungen für eine in das Filterinnere gerichtete Luftströmung auf. Der Filtereinsatz kann zur Reinigung aus dem Aufnahmekörper entnommen werden. Ein derartiger Ansaugluftfilter ist für die Ausfilterung der Flusen aus dem Prozessluftstrom nicht geeignet.From DE 196 44 400 A1 a filter device for a clothes dryer is known in which a cup-shaped filter insert is inserted into a receiving body and in Intake air flow for the dry air is arranged. Here is the intake air for the dry air flow passed through a filter device to this air for a hygienic drying process rid of dust particles and the like. The receiving body is cylindrical and has on its periphery suction openings for one directed into the filter interior Air flow on. The filter insert can be removed from the holder body for cleaning become. Such an intake air filter is for filtering out the lint from the process air flow not suitable.

Der Erfindung stellt sich somit das Problem eine für die manuelle Reinigung geeignete Filtereinrichtung für einen Wäschetrockner mit großer wirksamer Filterfläche für eine optimale Flusenbeseitigung aus dem Prozessluftstrom zu gestalten.The invention thus addresses the problem of a filter device suitable for manual cleaning for a tumble dryer with a large effective filter area for an optimal To design lint removal from the process air flow.

Erfindungsgemäß wird dieses Problem durch eine Filtereinrichtung mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen. According to the invention, this problem is solved by a filter device with the features of Claim 1 solved. Advantageous refinements and developments of the invention result from the following subclaims.

Die mit der Erfindung erreichbaren Vorteile bestehen insbesondere darin, dass die Filtereinrichtung mit einer formstabilen Tragstruktur für einen äußeren sowie einen darin angeordneten inneren Filterkörper ausgebildet ist. Die ineinander angeordneten Filterkörper werden vom Luftstrom durch die besondere Ausgestaltung der Tragstruktur parallel und nicht nacheinander durchströmt. Durch diese Ausgestaltung wird die wirksame Filterfläche bei geringem Bauraum der Filtereinrichtung vergrößert. Die Filterkörper sind im Bereich ihrer Bodenflächen miteinander verbunden und werden gemeinsam zur Reinigung entnommen. Hinter der Filtereinrichtung ist das Gebläserad angeordnet, welches nach Entnahme der Filtereinrichtung leicht zugänglich ist und ebenfalls gereinigt werden kann. Ein besonderer Vorteil liegt in der teilbaren Ausgestaltung der Filtereinrichtung. Der innere und äußere Filterkörper werden gemeinsam aus dem Gerät entnommen und können für die Reinigung getrennt werden. Dazu ist im Bereich der Bodenflächen der beiden Filterkörper eine Verbindungsanordnung, welche die beiden Filterkörper miteinander verriegelt, vorgesehen.The advantages that can be achieved with the invention are, in particular, that the filter device with a dimensionally stable support structure for an outer and one arranged therein inner filter body is formed. The filter elements are arranged one inside the other Air flow through the special design of the support structure in parallel and not in succession flows through. This configuration makes the effective filter area with a small installation space the filter device enlarged. The filter bodies are together in the area of their bottom surfaces connected and removed together for cleaning. Behind the filter device the impeller is arranged, which is easy after removing the filter device is accessible and can also be cleaned. A particular advantage is the divisible Design of the filter device. The inner and outer filter bodies are made up together removed from the device and can be separated for cleaning. This is in the area of Bottom surfaces of the two filter bodies have a connection arrangement which connects the two filter bodies interlocked, provided.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt:

Figur 1
Einen Wäschetrockner mit einer erfindungsgemäß ausgebildeten Filtereinrichtung, die hinter einer Wartungsklappe angeordnet ist,
Figur 2
die Filtereinrichtung als Einzelheit gemäß Figur 1,
Figur 3
ein weiteres Ausführungsbeispiel für einen Wäschetrockner mit einer erfindungsgemäß ausgebildeten Filtereinrichtung mit integriertem Filterdeckel,
Figur 4
die Filtereinrichtung als Einzelheit gemäß Figur 3.
An embodiment of the invention is shown purely schematically in the drawings and is described in more detail below. It shows:
Figure 1
A tumble dryer with a filter device designed according to the invention, which is arranged behind a maintenance flap,
Figure 2
the filter device as a detail according to Figure 1,
Figure 3
1 a further exemplary embodiment for a clothes dryer with a filter device designed according to the invention with an integrated filter cover,
Figure 4
the filter device as a detail according to Figure 3.

In der Zeichnung Figur 1 ist die Anordnung der erfindungsgemäßen Filtereinrichtung (1) in einem Wäschetrockner gezeigt. Der Wäschetrockner weist eine in einem Gehäuse (2) drehbar gelagerte Wäschetrommel (3), eine die Beschickungsöffnung (4) der Wäschetrommel (3) verschließende Tür (5), ein Gebläse (6) zur Erzeugung eines Prozessluftstromes durch die Wäschetrommel (3) sowie eine Heizeinrichtung (7) auf. Der Prozessluftstrom wird über einen Prozessluftkanalabschnitt (8) mit der Heizeinrichtung (7) zum Trommeleintritt (9), durch die Wäschetrommel (3) und über einen Prozessluftkanalabschnitt (10) vom Trommelaustritt (11) zum Gebläse (6) geführt. Die Flusenfiltereinrichtung (1) ist dem Trommelaustritt (11) der Prozessluft nachgeschaltet und vorzugsweise im unteren Teil des Prozessluftkanalabschnitts (10), welcher als Filtergehäuse (12) ausgebildet ist, angeordnet. Die Führung des Prozessluftstromes durch den Wäschetrockner ist mit Pfeilen dargestellt. Die Flusenfiltereinrichtung (1) ist von der Frontseite des Gehäuses (2) her zugänglich und wird von außen über eine Filteröffnung (13) in den Prozessluftkanalabschnitt (10) eingeschoben. Die Filtereinrichtung (1) ist dieser ersten Ausführung hinter einer die Filteröffnung (13) im Prozessluftkanalabschnitt (10) dicht abschließenden Wartungsklappe (14) in der Frontseite des Gehäuses (2) angeordnet und weist einen Griff (15) auf. Die Ausbildung dieser Filtereinrichtung (1) ist in Figur 2 dargestellt.The drawing of FIG. 1 shows the arrangement of the filter device (1) according to the invention in shown a dryer. The tumble dryer is rotatable in a housing (2) stored laundry drum (3), the loading opening (4) of the laundry drum (3) closing door (5), a blower (6) for generating a process air flow through the Washing drum (3) and a heating device (7). The process air flow is via a Process air duct section (8) with the heating device (7) to the drum inlet (9) through which Laundry drum (3) and via a process air duct section (10) from the drum outlet (11) led to the blower (6). The lint filter device (1) is the drum outlet (11) Process air downstream and preferably in the lower part of the process air duct section (10), which is designed as a filter housing (12). The control of the process air flow through the clothes dryer is shown with arrows. The lint filter device (1) is accessible from the front of the housing (2) and is accessible from the outside via a filter opening (13) inserted into the process air duct section (10). The filter device (1) is this first embodiment behind a filter opening (13) in the process air duct section (10) tightly closing maintenance flap (14) in the front of the housing (2) and has a handle (15). The design of this filter device (1) is shown in FIG. 2.

Figur 2 zeigt die hinter einer Wartungsklappe (14) anzuordnende Filtereinrichtung (1) als Einzelheit. Die Filtereinrichtung (1) besteht aus zwei säulenförmig ausgebildeten Filterkörpern (16, 17). Die Filterkörper (16, 17) bestehen jeweils aus einer formstabilen säulenförmigen Tragstruktur, die die Filterflächen (18) tragen. Der innere Filterkörper (17) ist innerhalb des äußeren Filterkörpers (16) angeordnet. Die Filterkörper (16, 17) sind im Bereich ihrer Bodenflächen miteinander verbunden. Die Filterkörper (16, 17) können unlösbar oder über eine lösbare Verbindung miteinander verbunden sein. Die Tragstrukturen der beiden Filterkörper (16, 17) bilden bei dem gezeigten Ausführungsbeispiel in Luftströmungsrichtung gesehen eine ringförmige geschlossene Bodenfläche (19). Bei dem in Figur 2 gezeigten Ausführungsbeispiel ist der äußere Filterkörper (16) mit einer geschlossenen ringförmigen Bodenfläche (19) ausgebildet, von der sich in axialer Richtung am äußeren Umfang Stege (20) erstrecken, die die Filterfläche (18) tragen. Die Stege (20) enden an dem oberen anströmseitig angeformten Rand (21). Dieser Rand (21) ist als Dichtrand zum Filtergehäuse (12) für die Filtereinrichtung (1, siehe auch Figur 1) ausgebildet. Durch die Ausbildung des Dichtrandes wird die Luftströmung in das Topfinnere der Filtereinrichtung (1) geleitet. Vom Innenring der ringförmig ausgebildeten Bodenfläche (19) ausgehend erstreckt sich der innere Filterkörper (17). Dieser weist ebenfalls eine aus Stegen (22) gebildete Tragstruktur für die Filterfläche (18) auf. Die Stege (22) enden bei dem dargestellten Ausführungsbeispiel auf der der Bodenfläche (19) gegenüberliegenden Seite in einer Deckfläche (23). Die Deckfläche kann geschlossen ausgebildet sein. An der Deckfläche ist der Griff (15) angeordnet, über den die gesamte Filtereinrichtung (1) entriegelt und entnommen werden kann. Die Deckfläche (23) kann auch mit einer weiteren Siebfläche (nicht dargestellt) ausgebildet sein. Der innere Filterkörper (17) ist bei dem dargestellten Ausführungsbeispiel gegenüber dem äußeren Filterkörper (16) im Bereich der Deckfläche (23) in axialer Richtung verlängert ausgebildet. Die Deckfläche (23) liegt im eingebauten Zustand bei dieser Variante hinter der die Filteröffnung (13) im Prozessluftkanal (10) dichtend abschließenden Wartungsklappe (14). Der innere und der äußerer Filterkörper (16, 17) sind vorzugsweise lösbar miteinander verbunden, so dass die Filterflächen (18) leicht von Hand zu reinigen sind. Für die Verbindung im Bodenbereich ist z. B. eine Bajonett-Verbindung vorgesehen. Es ist aber auch eine Schraubverbindung, Rastverbindung, oder dgl. möglich. Zur besseren Handhabung der Filtereinrichtung ist die Bodenfläche mit einem Griff (24) ausgebildet.Figure 2 shows the filter device (1) to be arranged behind a maintenance flap (14) as Detail. The filter device (1) consists of two columnar filter bodies (16, 17). The filter bodies (16, 17) each consist of a dimensionally stable columnar Support structure that support the filter surfaces (18). The inner filter body (17) is inside the outer filter body (16) arranged. The filter bodies (16, 17) are in the area of their bottom surfaces connected with each other. The filter body (16, 17) can be unsolvable or via a releasable connection to be connected. The supporting structures of the two filter bodies (16, 17) form a seen in the air flow direction in the embodiment shown annular closed bottom surface (19). In the embodiment shown in Figure 2 is the outer filter body (16) with a closed annular bottom surface (19) formed, from which extend in the axial direction on the outer circumference webs (20) wear the filter surface (18). The webs (20) end on the upper molded part on the upstream side Edge (21). This edge (21) is a sealing edge to the filter housing (12) for the filter device (1, see also Figure 1). The air flow becomes due to the formation of the sealing edge passed into the pot interior of the filter device (1). From the inner ring the ring-shaped trained bottom surface (19) extends the inner filter body (17). This also has a support structure for the filter surface (18) formed from webs (22). The In the embodiment shown, webs (22) end on the bottom surface (19) opposite side in a cover surface (23). The top surface can be closed be trained. On the top surface, the handle (15) is arranged, over which the entire Filter device (1) unlocked and can be removed. The top surface (23) can also be used a further screen surface (not shown). The inner filter body (17) is at the illustrated embodiment compared to the outer filter body (16) in the area the top surface (23) is elongated in the axial direction. The top surface (23) is in the installed state in this variant behind the filter opening (13) in the process air duct (10) sealing final maintenance flap (14). The inner and outer filter body (16, 17) are preferably releasably connected to one another so that the filter surfaces (18) are light are to be cleaned by hand. For the connection in the floor area z. B. a bayonet connection intended. But it is also a screw connection, snap connection, or the like. possible. For better handling of the filter device, the bottom surface is with a handle (24) trained.

Figur 3 zeigt die Filtereinrichtung gemäß einer weiteren Ausführung mit einem integrierten Filterdeckel (25), der die Filteröffnung (13) dichtend abschließt. Der Filterdeckel (25) liegt im wesentlichen bündig in der Frontseite des Gehäuses (2) und ist mit einer Griffmulde (26), in welcher ein Griff (27) angeordnet ist, ausgebildet. Mit dem Griff (27) kann die gesamte Filtereinrichtung (1) aus der Filteröffnung (13) entnommen werden. Die Ausbildung dieser Filtereinrichtung (1) ist in Figur 4 dargestellt. Bei dieser Ausführung der Filtereinrichtung (1) trägt die Deckfläche (23) des inneren Filterkörpers (17) den integrierten Filterdeckel (25) für den dichtenden Abschluss des Prozessluftkanals (10). Der Filterdeckel (25) ist mit einer der Filteröffnung (13) angepassten umlaufenden Dichtung (nicht dargestellt) ausgebildet.Figure 3 shows the filter device according to another embodiment with an integrated Filter cover (25), which seals the filter opening (13). The filter cover (25) is in the essentially flush in the front of the housing (2) and is with a recessed grip (26), in which is arranged a handle (27). With the handle (27) the entire filter device (1) can be removed from the filter opening (13). Training this Filter device (1) is shown in Figure 4. In this version of the filter device (1) carries the top surface (23) of the inner filter body (17) for the integrated filter cover (25) the sealing end of the process air duct (10). The filter cover (25) is one of the Filter opening (13) adapted circumferential seal (not shown).

Figur 4 zeigt den Aufbau der Filtereinrichtung gemäß Figur 3 als Einzelheit. Der Aufbau unterscheidet sich im wesentlichen nur durch die Ausgestaltung der Deckfläche (23). Die ringförmige Bodenfläche ist ebenfalls mit einem Griff zur besseren Handhabung beim Trennen von innerem und äußerem Filterkörper (16, 17) ausgebildet. Der Filterdeckel (25) weist eine Verriegelungseinrichtung (28) für die Filtereinrichtung (1) in der Filteröffnung (13) auf.Figure 4 shows the structure of the filter device according to Figure 3 as a detail. The structure differs essentially only in the design of the top surface (23). The ring-shaped bottom surface is also with a handle for better handling when separating formed by the inner and outer filter body (16, 17). The filter cover (25) has one Locking device (28) for the filter device (1) in the filter opening (13).

Anhand der Figur 2 wird die Prozessluftführung durch die Filterkörper (16, 17) der Filtereinrichtung (1) beschrieben. Der Prozessluftstrom tritt im Bereich des axial verlängerten Bereichs des inneren Filterkörpers (17) radial in die Filtereinrichtung (1) ein. Durch den dichtend abschließenden Rand (21) am äußeren Filterkörper (16) wird der Luftstrom in das Topfinnere der Filtereinrichtung (1) geleitet. Der Luftstrom wird im Filterkörper in Teilluftströme aufgeteilt, bei denen ein Teil der Prozessluft über den inneren Filterkörper (17) in Richtung PL1 und ein Teil über den äußeren Filterkörper (16) in Richtung PL2 geführt wird. Die Flusen lagern sich auf der Außenseite des inneren Filterkörpers (17) und auf der Innenseite des äußeren Filterkörpers (16) ab. Die Filtereinrichtung (1) wird zu Reinigungszwecken als Einheit aus der Filteröffnung (13) entnommen. Die Flusenansammlung befindet sich im Tropfinneren der Filtereinrichtung (1). Für die manuelle Reinigung der Filterfläche (18) werden die beiden Filterkörper (16, 17) getrennt. Die Flusen können gut von der Außenfläche des inneren Filterkörpers (17) und der Innenfläche des äußeren Filterkörpers (16) beseitigt werden.The process air flow through the filter body (16, 17) of the filter device is shown in FIG (1). The process air flow occurs in the area of the axially extended area of the inner filter body (17) radially into the filter device (1). Through the sealing final edge (21) on the outer filter body (16), the air flow into the interior of the pot the filter device (1) passed. The air flow is divided into partial air flows in the filter body, in which a part of the process air via the inner filter body (17) in the direction of PL1 and Part is guided over the outer filter body (16) in the direction of PL2. The fluff builds up the outside of the inner filter body (17) and on the inside of the outer filter body (16). The filter device (1) is removed from the filter opening as a unit for cleaning purposes (13) taken. The lint accumulation is located inside the drip of the filter device (1). For manual cleaning of the filter surface (18), the two filter bodies (16, 17) Cut. The lint can well from the outer surface of the inner filter body (17) and Inner surface of the outer filter body (16) can be eliminated.

Die Luftführung in der Filtereinrichtung (1) gemäß Figur 4 erfolgt wie zu Figur 2 beschrieben. Ein wesentlicher Unterschied liegt hier in der Deckfläche (23), mit integriertem Filterdeckel (25), welcher die Filteröffnung (13) im Prozessluftkanal (10) dichtend abschließt. Somit liegt der nicht dargestellte Griff für die Filtereinrichtung (1) nicht im Prozessluftstrom. Bei dem Ausführungsbeispiel gemäß Figur 2 liegt der an der Deckfläche (23) angeordnete Griff für die Filtereinrichtung (1) im Prozessluftstrom hinter der Wartungsklappe (14).The air flow in the filter device (1) according to FIG. 4 is as described for FIG. 2. A major difference here is in the top surface (23), with an integrated filter cover (25), which seals the filter opening (13) in the process air duct (10). So that's not it Handle shown for the filter device (1) not in the process air flow. In the embodiment According to FIG. 2, the handle for the filter device is arranged on the top surface (23) (1) in the process air flow behind the maintenance flap (14).

Die Filterkörper (16, 17) sind in dem dargestellten Ausführungsbeispiel säulenförmig ausgebildet. Die Säulen können verschiedene Querschnittsformen aufweisen. Die bevorzugte Querschnittsform ist für den äußeren Filterkörper (16) annähernd elliptisch und für den inneren Filterkörper (16) kreisförmig. Ein weiteres Ausführungsbeispiel ist durch die Kombination von äußerem Filterkörper (16) mit kreisförmigen Querschnitt und innerem Filterkörper (17) mit elliptischen Querschnitt möglich. Es können auch beide Filterkörper (16, 17) mit kreisrunden oder elliptischen Querschnitten ausgebildet sein.The filter bodies (16, 17) are columnar in the exemplary embodiment shown. The columns can have different cross-sectional shapes. The preferred The cross-sectional shape is approximately elliptical for the outer filter body (16) and for the inner one Filter body (16) circular. Another embodiment is the combination of outer filter body (16) with a circular cross section and inner filter body (17) with elliptical cross section possible. Both filter bodies (16, 17) can also be circular or elliptical cross sections.

Claims (12)

Filtereinrichtung für einen Wäschetrockner mit einem topfförmig ausgebildeten von einer Tragstruktur gehaltenen Filterkörper mit einer äußeren Filterfläche und einer darin angeordneten inneren Filterfläche und einem die äußere Filterfläche zum Filtergehäuse abdichtenden anströmseitig angeordneten Dichtrand für eine in das Topfinnere gerichtete Luftströmung,
dadurch gekennzeichnet,
dass die äußere und die innere Filterfläche (18) jeweils von einer säulenförmig ausgebildeten formstabilen Tragstruktur gehalten werden und mit dieser einen äußeren sowie einen inneren Filterkörper (16, 17) bilden, die im Bereich ihrer Bodenflächen miteinander verbunden sind.Filter device for a tumble dryer with a cup-shaped filter body held by a supporting structure with an outer filter surface and an inner filter surface arranged therein and an upstream sealing edge sealing the outer filter surface to the filter housing for an air flow directed into the pot interior,
characterized,
that the outer and the inner filter surface (18) are each held by a columnar, dimensionally stable support structure and form an outer and an inner filter body (16, 17), which are connected to one another in the area of their bottom surfaces. Filtereinrichtung für einen Wäschetrockner nach Anspruch 1,
dadurch gekennzeichnet,
dass der innere Filterkörper (17) unlösbar mit dem äußeren Filterkörper (16) verbunden ist.Filter device for a clothes dryer according to claim 1,
characterized,
that the inner filter body (17) is permanently connected to the outer filter body (16). Filtereinrichtung für einen Wäschetrockner nach Anspruch 1,
dadurch gekennzeichnet,
dass der innere Filterkörper (17) lösbar mit dem äußeren Filterkörper (16) verbunden ist.Filter device for a clothes dryer according to claim 1,
characterized,
that the inner filter body (17) is detachably connected to the outer filter body (16). Filtereinrichtung für einen Wäschetrockner nach Anspruch 2 oder 3,
dadurch gekennzeichnet,
dass die Tragstruktur des äußeren Filterkörpers (16) mit der Tragstruktur des inneren Filterkörpers (17) im Bodenbereich eine ringförmige Bodenfläche (19) bildet.Filter device for a clothes dryer according to claim 2 or 3,
characterized,
that the support structure of the outer filter body (16) forms an annular base surface (19) with the support structure of the inner filter body (17) in the bottom region. Filtereinrichtung für einen Wäschetrockner nach Anspruch 4,
dadurch gekennzeichnet,
dass die Tragstruktur des äußeren Filterkörpers vom äußeren Umfang der ringförmigen Bodenfläche (19) ausgehende, in axialer Richtung erstreckende, Stege (20) aufweist, welche die Filterfläche (18) tragen und wobei die Stege (20) an einem oberen anströmseitig angeformten Rand (21) enden, welcher als Dichtrand zum Filtergehäuse (12) für die Filtereinrichtung ausgebildet ist.Filter device for a clothes dryer according to claim 4,
characterized,
that the supporting structure of the outer filter body has webs (20) extending from the outer circumference of the annular bottom surface (19) and extending in the axial direction, which webs support the filter surface (18), and the webs (20) on an upper edge (21 ) end, which is designed as a sealing edge to the filter housing (12) for the filter device. Filtereinrichtung für einen Wäschetrockner nach Anspruch 4,
dadurch gekennzeichnet,
dass die Tragstruktur des inneren Filterkörpers vom inneren Umfang der ringförmigen Bodenfläche (19) ausgehende, in axialer Richtung erstreckende, Stege (22) aufweist, welche die Filterfläche (18) tragen und wobei die Stege (22) auf der der Bodenfläche (19) gegenüberliegenden Seite in einer Deckfläche (23) enden. Filter device for a clothes dryer according to claim 4,
characterized,
that the support structure of the inner filter body has webs (22) extending from the inner circumference of the annular bottom surface (19) and extending in the axial direction, which support the filter surface (18) and the webs (22) on the opposite side of the bottom surface (19) End in a top surface (23). Filtereinrichtung für einen Wäschetrockner nach mindestens einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
dass der äußere Filterkörper (16) mit dem dichtend abschließenden Rand (21) die Filtereinrichtung (1) zum Filtergehäuse (10') abdichtet und der innere Filterkörper (17) mit einem an der Deckfläche (23) angeordneten Filterdeckel (25) einen dichtenden Abschluss der Filteröffnung (13) im Prozessluftkanal (10) über eine am Filterdeckel (25) angeordnete Dichtung bewirkt.Filter device for a tumble dryer according to at least one of claims 1 to 6,
characterized,
that the outer filter body (16) with the sealingly sealing edge (21) seals the filter device (1) to the filter housing (10 ') and the inner filter body (17) has a sealing cover with a filter cover (25) arranged on the top surface (23) the filter opening (13) in the process air duct (10) via a seal arranged on the filter cover (25). Filtereinrichtung für einen Wäschetrockner nach mindestens einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
dass der äußere Filterkörper (16) mit einem dichtend abschließenden Rand (21) die Filtereinrichtung (1) zum Filtergehäuse (10') abdichtet und die Deckfläche (23) des inneren Filterkörpers (17) hinter einer die Filteröffnung (13) dicht verschließenden Wartungsklappe (14) im Prozessluftstrom liegt.Filter device for a tumble dryer according to at least one of claims 1 to 6,
characterized,
that the outer filter body (16) seals the filter device (1) to the filter housing (10 ') with a sealingly sealing edge (21) and the top surface (23) of the inner filter body (17) behind a maintenance flap that seals the filter opening (13) ( 14) lies in the process air flow. Filtereinrichtung für einen Wäschetrockner nach mindestens einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
dass die Querschnittsform der säulenförmig ausgebildeten Filterkörper (16 oder 17) annähernd elliptisch ist und/oder kreisförmig ist.Filter device for a clothes dryer according to at least one of claims 1 to 8,
characterized,
that the cross-sectional shape of the columnar filter body (16 or 17) is approximately elliptical and / or circular. Filtereinrichtung für einen Wäschetrockner nach mindestens einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet,
dass der innere Filterkörper (17) gegenüber dem äußeren Filterkörper (16) im Bereich der Deckfläche (23) in axialer Richtung verlängert ausgebildet ist.Filter device for a clothes dryer according to at least one of claims 1 to 9,
characterized,
that the inner filter body (17) is elongated in the axial direction relative to the outer filter body (16) in the region of the top surface (23). Filtereinrichtung für einen Wäschetrockner nach Anspruch 8,
dadurch gekennzeichnet,
dass der Prozessluftstrom PL im Bereich der axialen Verlängerung radial in das Innere der Filtereinrichtung (1) eintritt als Teil-Prozessluftstrom PL1 axial aus dem inneren Filterkörper (17) und als Teil-Prozessluftstrom PL2 radial aus dem äußeren Filterkörper (16) austritt.Filter device for a clothes dryer according to claim 8,
characterized,
that the process air flow PL radially enters the interior of the filter device (1) in the area of the axial extension as a partial process air flow PL1 axially from the inner filter body (17) and as a partial process air flow PL2 radially from the outer filter body (16). Filtereinrichtung für einen Wäschetrockner nach mindestens einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet,
dass die Filtereinrichtung (1) über eine Verriegelungseinrichtung (28) in der Filteröffnung (13) fixiert ist.Filter device for a clothes dryer according to at least one of claims 1 to 11,
characterized,
that the filter device (1) is fixed in the filter opening (13) via a locking device (28).
EP00125570A 1999-11-26 2000-11-22 Laundry dryer with a filtering device Expired - Lifetime EP1103647B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19956897 1999-11-26
DE19956897 1999-11-26

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EP1103647A2 true EP1103647A2 (en) 2001-05-30
EP1103647A3 EP1103647A3 (en) 2002-06-26
EP1103647B1 EP1103647B1 (en) 2004-06-02

Family

ID=7930393

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AT (1) ATE268404T1 (en)
DE (2) DE10058285C2 (en)

Cited By (2)

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EP1655401A1 (en) * 2004-11-05 2006-05-10 LG Electronics, Inc. Washing machine combined with dryer
EP2403985A4 (en) * 2009-03-03 2016-01-06 Lg Electronics Inc Heat pump module and laundry treatment device using the same

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US9808770B2 (en) 2013-05-14 2017-11-07 Pall Corporation High throughput membrane with channels
DE102015103884A1 (en) 2015-03-17 2016-09-22 Miele & Cie. Kg Lint filter for a tumble dryer, tumble dryer and method of operating a tumble dryer
EP3467187B1 (en) 2017-10-09 2021-12-22 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter

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DE19644400A1 (en) * 1996-10-25 1998-04-30 Aeg Hausgeraete Gmbh Electric exhaust air dryer

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EP1655401A1 (en) * 2004-11-05 2006-05-10 LG Electronics, Inc. Washing machine combined with dryer
EP2403985A4 (en) * 2009-03-03 2016-01-06 Lg Electronics Inc Heat pump module and laundry treatment device using the same

Also Published As

Publication number Publication date
EP1103647A3 (en) 2002-06-26
DE10058285A1 (en) 2001-07-05
ATE268404T1 (en) 2004-06-15
EP1103647B1 (en) 2004-06-02
DE50006675D1 (en) 2004-07-08
DE10058285C2 (en) 2003-04-30

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