EP2205136B1 - Floor cleaning device, particularly household vacuum cleaner - Google Patents

Floor cleaning device, particularly household vacuum cleaner Download PDF

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Publication number
EP2205136B1
EP2205136B1 EP08803704A EP08803704A EP2205136B1 EP 2205136 B1 EP2205136 B1 EP 2205136B1 EP 08803704 A EP08803704 A EP 08803704A EP 08803704 A EP08803704 A EP 08803704A EP 2205136 B1 EP2205136 B1 EP 2205136B1
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EP
European Patent Office
Prior art keywords
air
guide elements
cover
air guide
floor cleaning
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EP08803704A
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German (de)
French (fr)
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EP2205136A1 (en
Inventor
Marko Geis
Carsten Hauptlorenz
Roland Illig
Florian Schmitt
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Publication of EP2205136A1 publication Critical patent/EP2205136A1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the present invention relates to a floor care device, in particular a household vacuum cleaner, with at least one air outlet opening on the device housing for the air flow L generated by a blower unit, wherein with respect to the direction of the air flow L after the air outlet opening a cover with air guide elements for refraction of the air flow L is arranged.
  • the exhaust air of a floor care device such as a vacuum cleaner for the user is distracting and unpleasant, especially if it touches the bare upper leg or even the face.
  • a floor care device such as a vacuum cleaner for the user is distracting and unpleasant, especially if it touches the bare upper leg or even the face.
  • To avoid this problem is already known to divide the air flow by mechanical means, in particular by means of specially arranged filter or a louver or deflect, so as to obtain a weaker or at least diffuse air flow.
  • the flow velocity of the blow-out air must not be slowed down in such a way that there is a backflow of heat, which possibly affects the blower.
  • Exhaust filters are known, which are used in frame boxes.
  • the exhaust air filters are connected upstream of the discharge opening into the ambient air with respect to the flow direction of the exhaust air.
  • the exhaust filters consist of at least two before the exhaust opening in a receiving shaft to each other obliquely arranged sections.
  • the at least two sections of the exhaust filter are arranged obliquely inclined outwards.
  • a filter device for releasable insertion into a vacuum cleaner which has a holding frame, which carries a filter material between an upstream opening and an exhaust opening, and which has an air guiding device for deflecting the air flowing out of the exhaust opening.
  • the known filter device has means which deflect the air emerging from the filter material in the direction of the center axis of the exhaust opening.
  • a silencer apparatus for a vacuum cleaner which is disposed above a motor and is in the form of a rectangular plate having a plurality of elongate tubes on one side of the plate. Above the plate is provided an air outlet in the form of an array of many small holes in the vacuum cleaner housing, the holes being offset from the elongate tubes.
  • a vacuum cleaner which has a flap with ventilation grooves, which is fastened below an air outlet region via a hinge to the vacuum cleaner.
  • an air outlet structure for a vacuum cleaner with a frame, a filter and a filter cover is known.
  • the filter cover on a grill section and is releasably attached to the frame.
  • a disadvantage of the previous solutions is that nevertheless areas remain in which the user of a floor care device can feel unpleasant air currents, even at intervals of 1 m and more distance from the air outlet opening.
  • the object of the present invention is to provide an improved floor care appliance, in particular a household vacuum cleaner, which minimizes the disadvantages known in the prior art by means of an improved discharge characteristic.
  • the floor care appliance according to the invention esp. Household vacuum cleaner, builds on generic devices in that the first cover at least one further cover with air guide elements is arranged downstream, which are designed differently in their arrangement, type and / or geometry of the first air guide elements. Due to the at least two-part cover of the air outlet opening advantageous air guide elements can be formed with unique geometries which produce such significantly improved diffused air streams, as they are not feasible with one-piece covers or other known from the prior art solutions.
  • the air guide elements formed in the first and second cover preferably deflect the air flow (L) at least twice in its direction.
  • the air guide elements may be the same or different in their nature or offset or arranged at different angles to each other.
  • the air guide elements can be arranged at an angle between 30 ° to 150 ° to each other.
  • the air guide elements may be the same or different in their nature and / or geometry, in particular as a baffle, flow channel, sash profile, or the like.
  • the covers may also have regular and / or cyclic alternately formed air guide elements in their nature and / or geometry.
  • air guide elements which are at least half, but preferably in the form of an S-shape, so that the air guide elements of the first and second cover total at least one, preferably a double-S-form , which is preferably formed in opposite directions to each other.
  • the air guiding elements of the first and second cover in groups in opposite directions about a, preferably cross-shaped, center element.
  • the second cover may have a larger air outlet area than the first cover.
  • the first cover is an integral part of a vacuum cleaner housing part, in particular a side part, lid, cap, separate fan cover element or other component of the vacuum cleaner.
  • At least the second cover is preferably designed as an attachment and can be connected to the first cover, for example, by being attached, glued, welded, gated, screwed or the like.
  • diffuse air streams which for the user of a floor care appliance with powerful blowers greater than 1400 watts already at intervals of about 25 to 65 cm, in particular from about 35 to 55 cm, preferably at distances between 40 and 45 cm to the air outlet or power less fans less than 1600 watts at intervals of 10 to 45 cm, especially from 20 to 35 cm, preferably at distances between 25 and 30 cm to the air outlet are hardly noticeable.
  • the cover 22 of a vacuum cleaner 10 consists at least in sections of two cup-shaped covers 30 and 40, which are arranged one above the other in the region of one or more air outlet openings 21, also referred to as blow-out slots.
  • the basic cover 23 is in Area of the dust chamber 24 is formed closed, so that no vacuum loss.
  • the second cover 40 is, for example, from above the first cover 30, which may be part of the base cover 23, plugged and e.g. via mutually correspondingly formed by dipping ribs 31, 42 possibly caulked by means of ultrasound and / or by gluing and / or otherwise positively and / or non-positively connected to each other, so that a release is no longer possible.
  • air guide elements 41 are arranged in the second cover 40, which in their arrangement, type and / or geometry of air guide elements 31 of the first cover 30 are at least segmentally deviating and vice versa.
  • rib-shaped air guiding elements 31 of the first cover 30 in the outlet region 21 can be set at an angle such that they initially slow down the air flow L.
  • rib-shaped air guide elements 41 then give the blow-out air L the desired direction.
  • first and second air guide elements 31 and 41 are preferably formed in opposite directions S-shaped.
  • the accompanying in the assembled state of the first 30 and second 40 cover double-S-shape 51 causes excellent braking and direction of the air flow L described above, without braking the air flow L such that a possibly the fan 11 damaging and so far undesirable heat backpressure arises. He L thus maintains a "healthy" ground speed.
  • the double-S-shaped guide elements 51 arising from the rib-shaped air guiding elements 31 and 41 can in particular be grouped in opposite directions around a, preferably cross-shaped, center element 50 of, for example, five double-S-shaped guide elements 51, so that the left L1 and the right L2 to the center element 50 flowing air L crosses over the device 10, depending on the blower 11 and filter (not shown) preferably at a distance of 10 to 65 cm, with more powerful blowers 11 in particular at about 40 cm or 45 cm, in less powerful blowers 11 in particular at 25 or 30 cm distance from / the air outlet opening / s 21.
  • the inventive Air guide elements 31, 41, 51 that the outflowing air L, L1, L2, ... not nearly as long as purposefully remains in the room, as is the case in the known from the prior art ground care equipment case.
  • FIG. 4 Finally, the air guide elements 31 and 41 formed in the first 30 and second 40 cover after Fig. 3 in a perspective exploded view, which 30, 31, 40, 41 preferably in the so-called.
  • On-to-technology without separate cross slide can be made.
  • the closest first cover 30 of the air flow L to be discharged deflects in a first direction which deviates from the perpendicular to the cover 30 and how the further second cover 40 directs the air flow L in an opposite direction to the first deflection.
  • the lid 22 formed from two cup-shaped covers 30 and 40 allows jamming of other components such as viewing windows 60 for the power display, without the need for additional tool-consuming locking.
  • the advantage of the present invention is that the exhaust air L is first braked and then deflected, so that an air flow L is formed, which is no longer perceptible in 1 meter and more distance to the exhaust port 21.
  • the at least two-part cover 30, 40 of the air outlet opening 21 can advantageously air guide elements with unique geometries 50, 51 formed which, which produce such significantly improved diffused air streams L, L1, L2 ..., as with one-piece covers or Other solutions known from the prior art are not feasible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Detergent Compositions (AREA)

Abstract

The present invention relates to a floor cleaning device (10), particularly a household vacuum cleaner, having at least one air outlet opening (21) at the device housing (20) for the air flow (L) created by a ventilation unit (11), wherein a first cover (30) having air guiding elements (31) is disposed behind the air outlet opening (21) with regard to the direction of the air flow (L) for calculating the air flow (L). In order to improve the blow-out characteristics, at least one additional cover (40) having air guiding elements (41) is connected downstream of the first cover (30), said air guiding elements being configured differently from the first air guide elements (31) with regard to the arrangement, type, and/or geometry thereof. Air guiding elements (31, 41) having unique geometries (50, 51) may be advantageously configured by the at least two-piece cover (30, 40) of the air outlet opening (21), which generate significantly improved diffusing air flows, as cannot be realized using one-part covers, or other solutions known according to prior art.

Description

Die vorliegende Erfindung betrifft ein Bodenpflegegerät, insbesondere einen Haushaltsstaubsauger, mit mindestens einer Luftaustrittsöffnung am Gerätegehäuse für den von einem Gebläseaggregat erzeugten Luftstrom L, wobei in Bezug auf die Richtung des Luftstromes L nach der Luftaustrittsöffnung eine Abdeckung mit Luftführungselementen zur Brechung des Luftstroms L angeordnet ist.The present invention relates to a floor care device, in particular a household vacuum cleaner, with at least one air outlet opening on the device housing for the air flow L generated by a blower unit, wherein with respect to the direction of the air flow L after the air outlet opening a cover with air guide elements for refraction of the air flow L is arranged.

Gemeinhin wird die Ausblasluft eines Bodenpflegegerätes wie die eines Staubsaugers für dessen Nutzer als störend und unangenehm empfunden, insbesondere wenn diese das nackte Oberbein oder gar das Gesicht berührt. Zur Vermeidung dieser Problematik ist bereits bekannt, den Luftstrom mittels mechanischer Mittel, insbesondere mittels speziell angeordneter Filter oder einer Luftleiteinrichtung aufzuteilen oder umzulenken, um so einen schwächeren oder zumindest diffusen Luftstrom zu erhalten. Dabei darf jedoch die Strömungsgeschwindigkeit der Ausblasluft nicht derart abgebremst werden, dass es zu einem Wärmerückstau kommt, welcher ggf. das Gebläse in Mitleidenschaft zieht.In general, the exhaust air of a floor care device such as a vacuum cleaner for the user is distracting and unpleasant, especially if it touches the bare upper leg or even the face. To avoid this problem is already known to divide the air flow by mechanical means, in particular by means of specially arranged filter or a louver or deflect, so as to obtain a weaker or at least diffuse air flow. However, the flow velocity of the blow-out air must not be slowed down in such a way that there is a backflow of heat, which possibly affects the blower.

Aus der DE 199 25 227 C2 sind Abluftfilter bekannt, die in Rahmenkästen eingesetzt sind. Die Abluftfilter sind der in die Umgebungsluft mündenden Ausblasöffnung in Bezug auf die Strömungsrichtung der Ausblasluft vorgeschaltet. Die Abluftfilter bestehen aus mindestens zwei vor der Ausblasöffnung in einem Aufnahmeschacht zueinander schräg angeordneten Abschnitten. Die mindestens zwei Abschnitte des Abluftfilters sind schräg nach außen geneigt angeordnet. Durch die zueinander schräg gestellten Abschnitte des sich selbst tragenden Abluftfilters wird der Abluftstrom aufgespaltet und entsprechend der Schrägstellung der Filterabschnitte in verschiedene Richtungen gelenkt. Durch diese Anordnung wird ein geteilter Luftstrom erzeugt, der vom Benutzer als weniger störend empfunden wird.From the DE 199 25 227 C2 Exhaust filters are known, which are used in frame boxes. The exhaust air filters are connected upstream of the discharge opening into the ambient air with respect to the flow direction of the exhaust air. The exhaust filters consist of at least two before the exhaust opening in a receiving shaft to each other obliquely arranged sections. The at least two sections of the exhaust filter are arranged obliquely inclined outwards. By the mutually inclined sections of the self-supporting exhaust filter, the exhaust air stream is split and directed according to the inclination of the filter sections in different directions. By this arrangement, a split air flow is generated, which is perceived by the user as less disturbing.

Aus der DE 103 20 079 A1 ist eine Filtervorrichtung zum lösbaren Einsetzen in einen Staubsauger bekannt, die einen Halterahmen aufweist, der zwischen einer anströmseitigen Öffnung und einer Ausblasöffnung ein Filtermaterial trägt, und die eine Luftleiteinrichtung zum Umlenken der aus der Ausblasöffnung ausströmenden Luft besitzt. Um eine Verwirbelung der aus dem Filter austretenden Luft erreichen zu können, ohne auf am Staubsaugergehäuse angeordnete Ausblasgitter angewiesen zu sein, weist die bekannte Filtervorrichtung Mittel auf, welche die aus dem Filtermaterial austretende Luft in Richtung zur Zentrumsachse der Ausblasöffnung hin umlenken.From the DE 103 20 079 A1 For example, a filter device for releasable insertion into a vacuum cleaner is known, which has a holding frame, which carries a filter material between an upstream opening and an exhaust opening, and which has an air guiding device for deflecting the air flowing out of the exhaust opening. To one To be able to achieve turbulence of the air emerging from the filter, without having to rely on the exhaust grille arranged on the vacuum cleaner housing, the known filter device has means which deflect the air emerging from the filter material in the direction of the center axis of the exhaust opening.

Aus der EP 1 785 080 A2 ist eine Schalldämpfervorrichtung für einen Staubsauger bekannt, welche oberhalb eines Motors angeordnet ist und in Form einer rechteckigen Platte mit mehreren länglichen Rohren auf einer Seite der Platte ausgeführt ist. Über der Platte ist ein Luftauslass in Form einer Anordnung vieler kleiner Löcher in dem Staubsaugergehäuse vorgesehen, wobei die Löcher gegenüber den länglichen Rohren versetzt angeordnet sind.From the EP 1 785 080 A2 For example, there is known a silencer apparatus for a vacuum cleaner which is disposed above a motor and is in the form of a rectangular plate having a plurality of elongate tubes on one side of the plate. Above the plate is provided an air outlet in the form of an array of many small holes in the vacuum cleaner housing, the holes being offset from the elongate tubes.

Aus der JP 11-146846 A ist ein Staubsauger bekannt, der eine Klappe mit Lüftungsrillen aufweist, welche unterhalb eines Luftaustrittsbereiches über ein Scharnier an dem Staubsauger befestigt ist.From the JP 11-146846 A a vacuum cleaner is known which has a flap with ventilation grooves, which is fastened below an air outlet region via a hinge to the vacuum cleaner.

Aus der US 4,280,245 A ist ein Staubsauger bekannt, der einen Schalldämpdom aufweist, der oberhalb eines in dem Staubsaugergehäuse ausgebildeten Hauptauslasses für die durch den Staubsauger hindurch geförderte Luft angeordnet ist.From the US 4,280,245 A For example, there is known a vacuum cleaner having a sound absorbing dome which is disposed above a main outlet formed in the vacuum cleaner housing for the air conveyed through the vacuum cleaner.

Aus der US 2003/145419 A1 ist eine Luftauslassstruktur für einen Staubsauger mit einem Rahmen, einem Filter und einer Filterabdeckung bekannt. Dabei weist die Filterabdeckung einen Grillabschnitt auf und ist lösbar an dem Rahmen befestigt.From the US 2003/145419 A1 For example, an air outlet structure for a vacuum cleaner with a frame, a filter and a filter cover is known. In this case, the filter cover on a grill section and is releasably attached to the frame.

Nachteilig an den bisherigen Lösungen jedoch ist, dass gleichwohl Bereiche verbleiben, in denen der Nutzer eines Bodenpflegegerätes unangenehme Luftströme verspüren kann, selbst noch in Abständen von 1 m und mehr Entfernung von der Luftaustrittsöffnung.A disadvantage of the previous solutions, however, is that nevertheless areas remain in which the user of a floor care device can feel unpleasant air currents, even at intervals of 1 m and more distance from the air outlet opening.

Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein verbessertes Bodenpflegegerät, insb. Haushaltsstaubsauger, bereitzustellen, welcher mittels einer verbesserten Ausblascharakteristik die im Stand der Technik bekannten Nachteile minimiert.Proceeding from this, the object of the present invention is to provide an improved floor care appliance, in particular a household vacuum cleaner, which minimizes the disadvantages known in the prior art by means of an improved discharge characteristic.

Diese Aufgabe wird durch ein Bodenpflegegerät, insb. Haushaltsstaubsauger, mit den Merkmalen des unabhängigen Anspruchs 1 gelöst. Vorteilhafte Aus- und Weiterbildungen, welche einzeln oder in Kombination miteinander eingesetzt werden können, sind Gegenstand der abhängigen Ansprüche.This object is achieved by a floor care device, esp. Household vacuum cleaner, with the features of independent claim 1. Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims.

Das erfindungsgemäße Bodenpflegegerät, insb. Haushaltsstaubsauger, baut auf gattungsgemäßen Geräten dadurch auf, dass der ersten Abdeckung wenigstens eine weitere Abdeckung mit Luftführungselementen nachgeordnet ist, welche in ihrer Anordnung, Art und/oder Geometrie von den ersten Luftführungselementen abweichend ausgebildet sind. Durch die wenigstens zweiteilige Abdeckung der Luftaustrittsöffnung können vorteilhaft Luftführungselemente mit einzigartigen Geometrien ausgebildet welche, welche derart deutlich verbesserte Diffus-Luftströme erzeugen, wie diese mit einteiligen Abdeckungen oder anderen aus dem Stand der Technik bekannten Lösungen nicht realisierbar sind.The floor care appliance according to the invention, esp. Household vacuum cleaner, builds on generic devices in that the first cover at least one further cover with air guide elements is arranged downstream, which are designed differently in their arrangement, type and / or geometry of the first air guide elements. Due to the at least two-part cover of the air outlet opening advantageous air guide elements can be formed with unique geometries which produce such significantly improved diffused air streams, as they are not feasible with one-piece covers or other known from the prior art solutions.

Erfindungsgemäß bevorzugt lenken die in der ersten und zweiten Abdeckung ausgebildeten Luftführungselemente den Luftstrom (L) wenigstens zweimal in seiner Richtung um.According to the invention, the air guide elements formed in the first and second cover preferably deflect the air flow (L) at least twice in its direction.

Dabei können die Luftführungselemente in ihrer Art gleich oder unterschiedlich ausgebildet oder versetzt oder unter verschiedenen Winkel zueinander angeordnet sein.In this case, the air guide elements may be the same or different in their nature or offset or arranged at different angles to each other.

Insbesondere können die Luftführungselemente in einem Winkel zwischen 30° bis 150° zueinander angeordnet sein.In particular, the air guide elements can be arranged at an angle between 30 ° to 150 ° to each other.

Zweckmäßiger Weise können die Luftführungselemente in ihrer Art und/oder Geometrie gleich oder unterschiedlich ausgebildet sein, insbesondere als Prallwand, Strömungskanal, Flügelprofil, oder dergleichen mehr.Appropriately, the air guide elements may be the same or different in their nature and / or geometry, in particular as a baffle, flow channel, sash profile, or the like.

Alternativ oder kumulativ hierzu können auch die Abdeckungen in ihrer Art und/oder Geometrie regelmäßig und/oder zyklisch alternierend ausgebildete Luftführungselemente aufweisen.Alternatively or cumulatively thereto, the covers may also have regular and / or cyclic alternately formed air guide elements in their nature and / or geometry.

Zur Erzeugung diffuser Luftströme hat sich auch bewährt, die zweiten Luftführungselemente zueinander größer beanstandet anzuordnen als die ersten LuftführungselementeTo generate diffuse air flows has also proven to be the second air guide elements to each other more objectionable to arrange than the first air guide elements

Besonders gute Diffus-Luftströme haben sich bei erfindungsgemäßen Luftführungselementen eingestellt, welche wenigstens zur Hälfte, vorzugsweise jedoch in Gänze als S-Form ausgebildet sind, so dass die Luftführungselemente von erster und zweiter Abdeckung insgesamt wenigsten eine, vorzugsweise ein doppel-S-Form, ergeben, welche bevorzugt gegensinnig zueinander ausgebildet ist.Particularly good diffuse air streams have been set in air guide elements according to the invention, which are at least half, but preferably in the form of an S-shape, so that the air guide elements of the first and second cover total at least one, preferably a double-S-form , which is preferably formed in opposite directions to each other.

Um benachbart der Luftaustrittsöffnung ein kreuzen von Luftströmen zu erzielen hat sich bewährt, die Luftführungselemente von erster und zweiter Abdeckung gruppenweise gegensinnig um ein, vorzugsweise kreuzförmiges, Mittenelement anzuordnen.In order to achieve a crossing of air streams adjacent to the air outlet opening, it has proven useful to arrange the air guiding elements of the first and second cover in groups in opposite directions about a, preferably cross-shaped, center element.

Zur Reduzierung die Luftströmungsgeschwindigkeit kann die zweite Abdeckung einen größere Luftaustrittsfläche als die erste Abdeckung aufweisen.To reduce the air flow rate, the second cover may have a larger air outlet area than the first cover.

Vorzugsweise ist die erste Abdeckung integraler Bestandteil eines Staubsaugergehäuseteils, insbesondere eines Seitenteils, Deckels, Kappe, separate Gebläseabdeckungselements oder anderen Bauteils des Staubsaugers.Preferably, the first cover is an integral part of a vacuum cleaner housing part, in particular a side part, lid, cap, separate fan cover element or other component of the vacuum cleaner.

Erfindungsgemäß bevorzugt jedoch ist zumindest die zweite Abdeckung als Aufsatzteil ausgebildet und mit der ersten Abdeckung beispielsweise durch Aufsteckung, Verklebung, Verschweißung, Anspritzung, Verschraubung oder dergleichen verbindbar.According to the invention, however, at least the second cover is preferably designed as an attachment and can be connected to the first cover, for example, by being attached, glued, welded, gated, screwed or the like.

Mit der vorliegenden Erfindung lassen sich erstmals Diffus-Luftströme erzeugen, welche für den Benutzer eines Bodenpflegegerätes bei leistungsstärkeren Gebläsen größer 1400 Watt schon in Abständen von etwa 25 bis 65 cm, insbesondere von etwa 35 bis 55 cm, vorzugsweise bei Entfernungen zwischen 40 und 45 cm zur Luftaustrittsöffnung oder bei leistungsschwächeren Gebläsen kleiner 1600 Watt auch in Abständen von 10 bis 45 cm, insbesondere von 20 bis 35 cm, vorzugsweise bei Entfernungen zwischen 25 und 30 cm zur Luftaustrittsöffnung kaum noch spürbar sind.With the present invention, it is possible for the first time to produce diffuse air streams, which for the user of a floor care appliance with powerful blowers greater than 1400 watts already at intervals of about 25 to 65 cm, in particular from about 35 to 55 cm, preferably at distances between 40 and 45 cm to the air outlet or power less fans less than 1600 watts at intervals of 10 to 45 cm, especially from 20 to 35 cm, preferably at distances between 25 and 30 cm to the air outlet are hardly noticeable.

Zusätzliche Einzelheiten und weitere Vorteile der Erfindung werden nachfolgend beispielhaft an Hand eines Haushaltsstaubsaugers, auf welchen die vorliegende Erfindung jedoch nicht beschränkt ist, und in Verbindung mit der beigefügten Zeichnung beschrieben.Additional details and further advantages of the invention will be described hereinafter by way of example with reference to a household vacuum cleaner, to which the present invention is not limited, and in conjunction with the accompanying drawings.

Darin zeigen schematisch:

Fig. 1
beispielhaft einen Haushaltsstaubsauger in einer perspektivischen Ansicht;
Fig. 2
den Deckel des Staubsauger nach Fig. 1 mit erfindungsgemäßen Luftführungs- elementen in einer Draufsicht
Fig. 3
die Luftführungselemente nach Fig. 2 in einer Seitenschnittansicht entlang der Linie A-A; und
Fig. 4
die Luftführungselemente nach Fig. 3 ausschnittsweise in einer perspektivischen Explosionsdarstellung.
In it show schematically:
Fig. 1
an example of a household vacuum cleaner in a perspective view;
Fig. 2
the lid of the vacuum cleaner after Fig. 1 with Luftführungs- invention elements in a plan view
Fig. 3
the air ducts after Fig. 2 in a side sectional view along the line AA; and
Fig. 4
the air ducts after Fig. 3 fragmentary in a perspective exploded view.

Bei der nachfolgenden Beschreibung einer bevorzugten Ausführungsform der vorliegenden Erfindung bezeichnen gleiche Bezugszeichen gleiche oder vergleichbare Komponenten.In the following description of a preferred embodiment of the present invention, like reference characters designate like or similar components.

Wie in den Fig. 1 und 2 dargestellt besteht der Deckel 22 eines erfindungsgemäßen Staubsaugers 10 wenigstens abschnittsweise aus zwei schalenförmigen Abdeckungen 30 und 40, die im Bereich einer oder mehrerer auch als Ausblasschlitze bezeichneten Luftaustrittsöffnungen 21 übereinander liegend angeordnet sind. Der Grunddeckel 23 ist im Bereich des Staubraums 24 geschlossen ausgebildet, so dass kein Vakuum-Verlust entsteht.As in the Fig. 1 and 2 the cover 22 of a vacuum cleaner 10 according to the invention consists at least in sections of two cup-shaped covers 30 and 40, which are arranged one above the other in the region of one or more air outlet openings 21, also referred to as blow-out slots. The basic cover 23 is in Area of the dust chamber 24 is formed closed, so that no vacuum loss.

Die zweite Abdeckung 40 wird beispielsweise von oben auf die erste Abdeckung 30, welche Teil des Grunddeckel 23 sein kann, aufgesteckt und z.B. über zueinander korrespondierend ausgebildete durchtauchende Rippen 31, 42 ggf. mittels Ultraschall und/oder durch Klebung verstemmt und/oder anders form- und/oder kraftschlüssig miteinander verbunden, so dass ein Lösen nicht mehr möglich ist.The second cover 40 is, for example, from above the first cover 30, which may be part of the base cover 23, plugged and e.g. via mutually correspondingly formed by dipping ribs 31, 42 possibly caulked by means of ultrasound and / or by gluing and / or otherwise positively and / or non-positively connected to each other, so that a release is no longer possible.

Erfindungsgemäß sind in der zweiten Abdeckung 40 Luftführungselemente 41 angeordnet, welche in ihrer Anordnung, Art und/oder Geometrie von Luftführungselementen 31 der ersten Abdeckung 30 wenigstens segmentweise abweichend ausgebildet sind und umgekehrt. Insbesondere können rippenförmig ausgebildete Luftführungselemente 31 der ersten Abdeckung 30 im Ausblasbereich 21 derart schräg angestellt sein, dass sie den Luftstrom L zunächst abbremsen. In der zweiten Abdeckung 40 ausgebildete rippenförmige Luftführungselemente 41 geben dann der Ausblassluft L die gewünschte Richtung.According to the invention, air guide elements 41 are arranged in the second cover 40, which in their arrangement, type and / or geometry of air guide elements 31 of the first cover 30 are at least segmentally deviating and vice versa. In particular, rib-shaped air guiding elements 31 of the first cover 30 in the outlet region 21 can be set at an angle such that they initially slow down the air flow L. Formed in the second cover 40 rib-shaped air guide elements 41 then give the blow-out air L the desired direction.

Wie in Fig. 3 ersichtlich, sind erste und zweite Luftführungselemente 31 und 41 vorzugsweise gegensinnig S-förmig ausgebildet. Die im montierten Zustand von erster 30 und zweiter 40 Abdeckung einhergehende doppel-S-Form 51 bewirkt hervorragend die zuvor beschriebene Abbremsung und Richtungsgebung des Luftstroms L, ohne die Luftströmung L dergestalt zu bremsen, dass ein ggf. das Gebläse 11 schädigender und insoweit unerwünschter Wärmerückstau entsteht. Er L behält somit eine "gesunde" Grundgeschwindigkeit bei.As in Fig. 3 can be seen, first and second air guide elements 31 and 41 are preferably formed in opposite directions S-shaped. The accompanying in the assembled state of the first 30 and second 40 cover double-S-shape 51 causes excellent braking and direction of the air flow L described above, without braking the air flow L such that a possibly the fan 11 damaging and so far undesirable heat backpressure arises. He L thus maintains a "healthy" ground speed.

Wie Fig. 3 weiterhin verdeutlich, können die aus den rippenförmigen Luftführungselementen 31 und 41 entstehenden doppel-S-förmigen Führungselemente 51 insb. gegensinnig um ein, vorzugsweise kreuzförmiges, Mittenelement 50 von beispielsweise je fünf doppel-S-förmige Führungselementen 51 gruppiert angeordnet sein, so dass die links L1 und die rechts L2 um das Mittenelement 50 strömende Luft L sich über dem Gerät 10 kreuzt, je nach verwendeten Gebläse 11 und Filter (nicht dargestellt) vorzugsweise in einem Abstand von 10 bis 65 cm, bei leistungsstärkeren Gebläsen 11 insbesondere bei etwa 40 cm oder 45 cm, bei leistungsschwächeren Gebläsen 11 insbesondere bei 25 oder 30 cm Entfernung von der/den Luftaustrittsöffnung/en 21. Mit anderen Worten bewirken die erfindungsgemäßen Luftführungselemente 31, 41, 51, dass die ausströmende Luft L, L1, L2, ... nicht annähernd so lang zielgerichtet im Raum verbleibt, wie dies bei den aus dem Stand der Technik bekannten Bodenpflegegeräten der Fall, ist.As Fig. 3 Furthermore, it can be clarified that the double-S-shaped guide elements 51 arising from the rib-shaped air guiding elements 31 and 41 can in particular be grouped in opposite directions around a, preferably cross-shaped, center element 50 of, for example, five double-S-shaped guide elements 51, so that the left L1 and the right L2 to the center element 50 flowing air L crosses over the device 10, depending on the blower 11 and filter (not shown) preferably at a distance of 10 to 65 cm, with more powerful blowers 11 in particular at about 40 cm or 45 cm, in less powerful blowers 11 in particular at 25 or 30 cm distance from / the air outlet opening / s 21. In other words, cause the inventive Air guide elements 31, 41, 51, that the outflowing air L, L1, L2, ... not nearly as long as purposefully remains in the room, as is the case in the known from the prior art ground care equipment case.

Fig. 4 schließlich zeigt die in erster 30 und zweiter 40 Abdeckung ausgebildeten Luftführungselemente 31 und 41 nach Fig. 3 ausschnittsweise in einer perspektivischen Explosionsdarstellung, welche 30, 31, 40, 41 vorzugsweise in der sog. Auf-Zu-Technik ohne separaten Querschieber hergestellt sein können. Insbesondere ist erkennbar, wie die nächstliegende erste Abdeckung 30 des auszublasenden Luftstroms L in eine erste Richtung umlenkt, die der Senkrechten zu der Abdeckung 30 abweicht und wie die weitere zweite Abdeckung 40 den Luftstrom L in eine entgegengesetzten Richtung zu der ersten Umlenkung richtet. Fig. 4 Finally, the air guide elements 31 and 41 formed in the first 30 and second 40 cover after Fig. 3 in a perspective exploded view, which 30, 31, 40, 41 preferably in the so-called. On-to-technology without separate cross slide can be made. In particular, it can be seen how the closest first cover 30 of the air flow L to be discharged deflects in a first direction which deviates from the perpendicular to the cover 30 and how the further second cover 40 directs the air flow L in an opposite direction to the first deflection.

Mit der vorliegenden Erfindung lassen sich erstmals Diffus-Luftströme L, L1, L2, ... erzeugen, welche für den Benutzer eines Bodenpflegegerätes 10 schon in Abständen von 30 bis 50 cm zur Luftaustrittsöffnung 21 kaum noch spürbar sind.With the present invention, it is possible for the first time to generate diffuse air flows L, L1, L2,..., Which are hardly noticeable to the user of a floor care appliance 10 at intervals of 30 to 50 cm from the air outlet opening 21.

Darüber hinaus erlaubt der aus zwei schalenförmigen Abdeckungen 30 und 40 gebildete Deckel 22 ein Verklemmen weiterer Bauteile wie Sichtfenster 60 für die Leistungsanzeige, ohne dass es zusätzlicher werkzeugaufwendiger Verrastungen bedarf.In addition, the lid 22 formed from two cup-shaped covers 30 and 40 allows jamming of other components such as viewing windows 60 for the power display, without the need for additional tool-consuming locking.

Insgesamt aber liegt der Vorteil der vorliegenden Erfindung darin, dass die Ausblassluft L zunächst abgebremst und dann umgelenkt wird, so dass ein Luftstrom L entsteht, welcher in 1 Meter und mehr Abstand zur Ausblasöffnung 21 nicht mehr wahrnehmbar ist.Overall, however, the advantage of the present invention is that the exhaust air L is first braked and then deflected, so that an air flow L is formed, which is no longer perceptible in 1 meter and more distance to the exhaust port 21.

Mit anderen Worten: durch die wenigstens zweiteilige Abdeckung 30, 40 der Luftaustrittsöffnung 21 können vorteilhaft Luftführungselemente mit einzigartigen Geometrien 50, 51 ausgebildet welche, welche derart deutlich verbesserte Diffus-Luftströme L, L1, L2 ... erzeugen, wie diese mit einteiligen Abdeckungen oder anderen aus dem Stand der Technik bekannten Lösungen nicht realisierbar sind.In other words: by the at least two-part cover 30, 40 of the air outlet opening 21 can advantageously air guide elements with unique geometries 50, 51 formed which, which produce such significantly improved diffused air streams L, L1, L2 ..., as with one-piece covers or Other solutions known from the prior art are not feasible.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Staubsaugervacuum cleaner
1111
Gebläseaggregatblower unit
2020
Staubsaugergehäusevacuum cleaner housing
2121
LuftaustrittsöffnungAir outlet opening
2222
Deckel des Straubsaugers 10Cover of the vacuum cleaner 10
2323
Grunddeckelbase cover
2424
Staubraumdust chamber
3030
erste Abdeckungfirst cover
3131
erste Luftführungselementefirst air guide elements
3232
durchtauchende Rippen der ersten Abdeckung 30dipping ribs of the first cover 30
4040
weitere, insb. zweite Abdeckungfurther, esp. Second cover
4141
weitere, insb. zweite Luftführungselementefurther, esp. Second air guide elements
4242
durchtauchende Rippen der zweiten Abdeckung 40dipping ribs of the second cover 40
5050
Mittenelement, insb. kreuzförmig ausgebildetCenter element, esp. Cross shaped
5151
doppel-s-förmige Führungselementedouble-S-shaped guide elements
6060
Sichtfensterwindow
LL
Luftstromairflow

Claims (12)

  1. Floor cleaning apparatus (10), particularly household vacuum cleaner, with at least one air outlet opening (21) at the apparatus housing (20) for the air flow (L) produced by a fan unit (11), wherein a first cover (30) with air guide elements (31) for breaking up the air flow (L) is arranged after the air outlet opening (21) with respect to the direction of the air flow (L), downstream of which cover is arranged at least one further cover (40) with air guide elements (41) constructed to differ in their arrangement, kind and/or geometry from the first air guide elements (31), characterised in that the air guide elements (31, 41) are formed by half or entirely as an S shape.
  2. Floor cleaning apparatus (10) according to claim 1, characterised in that the air guide elements (31, 41) deflect the air flow (L) at least twice in its direction.
  3. Floor cleaning apparatus (10) according to claim 1 or 2, characterised in that air guide elements (31, 41) constructed to be the same or different in kind are arranged to be offset or at different angles to one another.
  4. Floor cleaning apparatus (10) according to claim 3, characterised in that the air guide elements (31, 41) are arranged at an angle of between 30° and 150° relative to one another.
  5. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that air guide elements (31; 41) are constructed to be the same or different in their kind and/or geometry, particularly as a baffle wall, flow channel or vane profile member.
  6. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the covers (30; 40) have air guide elements (31, 41) constructed to regularly and/or cyclically alternate in their kind and/or geometry.
  7. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the second air guide elements (41) have a greater spacing from one another than the first air guide elements (31).
  8. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the air guide elements (31 and 41) of the first and second covers (30 and 40) form an S-shape or, preferably in opposite sense, a double S-shape.
  9. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the air guide elements (31 and 41) of the first and second covers (30 and 40) are arranged in groups in opposite sense about a, preferably cruciform, centre element (50).
  10. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the second cover (40) has a greater air outlet area than the first cover (30).
  11. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the first cover (30) is an integral component of a vacuum cleaner housing part (22).
  12. Floor cleaning apparatus (10) according to any one of the preceding claims, characterised in that the second cover (40) is constructed as an attachment part.
EP08803704A 2007-09-28 2008-09-05 Floor cleaning device, particularly household vacuum cleaner Not-in-force EP2205136B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007046553A DE102007046553A1 (en) 2007-09-28 2007-09-28 Floor care appliance, in particular household vacuum cleaner
PCT/EP2008/061734 WO2009043680A1 (en) 2007-09-28 2008-09-05 Floor cleaning device, particularly household vacuum cleaner

Publications (2)

Publication Number Publication Date
EP2205136A1 EP2205136A1 (en) 2010-07-14
EP2205136B1 true EP2205136B1 (en) 2011-04-20

Family

ID=39938308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08803704A Not-in-force EP2205136B1 (en) 2007-09-28 2008-09-05 Floor cleaning device, particularly household vacuum cleaner

Country Status (5)

Country Link
EP (1) EP2205136B1 (en)
AT (1) ATE505991T1 (en)
DE (2) DE102007046553A1 (en)
ES (1) ES2361802T3 (en)
WO (1) WO2009043680A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012207347A1 (en) 2012-05-03 2013-11-07 BSH Bosch und Siemens Hausgeräte GmbH NOISE EXHAUSTING DEVICE FOR A HOME APPLIANCE

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280245A (en) * 1980-02-19 1981-07-28 Shop-Vac Corporation Sound dome for electric vacuum cleaner
DE19651026A1 (en) * 1996-10-31 1998-05-07 Aeg Hausgeraete Ag Floor cleaning device, in particular vacuum cleaner
US5946771A (en) * 1997-01-09 1999-09-07 The Hoover Company Vacuum cleaner air exhaust arrangement
JPH11146846A (en) * 1997-11-14 1999-06-02 Ryuzo Washisaki Wing device of discharge port in vacuum cleaner
DE19925227C2 (en) 1998-06-03 2001-07-26 Bsh Bosch Siemens Hausgeraete vacuum cleaner
DE19903734A1 (en) * 1999-01-30 2000-08-10 Aeg Hausgeraete Gmbh Apparatus for cleaning rooms, especially vacuum cleaner has part of legs of separate mesh in region of air outlet with flow surface offering very low flow resistance
KR100445803B1 (en) * 2002-02-05 2004-08-25 삼성광주전자 주식회사 Air exhaust structure of an upright-type vacuum cleaner
GB0203150D0 (en) * 2002-02-11 2002-03-27 Dyson Ltd A filter housing
DE10320079A1 (en) 2003-05-05 2004-12-02 BSH Bosch und Siemens Hausgeräte GmbH Blow-out filter with air guide roof
CN100423678C (en) * 2005-11-10 2008-10-08 苏州金莱克家用电器有限公司 Noise absorption unit of dust collector

Also Published As

Publication number Publication date
ES2361802T3 (en) 2011-06-22
WO2009043680A1 (en) 2009-04-09
DE502008003311D1 (en) 2011-06-01
DE102007046553A1 (en) 2009-04-09
ATE505991T1 (en) 2011-05-15
EP2205136A1 (en) 2010-07-14

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