EP3210512B1 - Vacuum cleaner comprising an obliquely arranged blower - Google Patents

Vacuum cleaner comprising an obliquely arranged blower Download PDF

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Publication number
EP3210512B1
EP3210512B1 EP17154117.0A EP17154117A EP3210512B1 EP 3210512 B1 EP3210512 B1 EP 3210512B1 EP 17154117 A EP17154117 A EP 17154117A EP 3210512 B1 EP3210512 B1 EP 3210512B1
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EP
European Patent Office
Prior art keywords
vacuum cleaner
dust chamber
fan
dust
blower
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.)
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Application number
EP17154117.0A
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German (de)
French (fr)
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EP3210512A1 (en
Inventor
Michael Agethen
Andreas Ringeln
Volker Gerth
Martin Hanke
Florian Hartmann
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Miele und Cie KG
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Miele und Cie KG
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Publication of EP3210512A1 publication Critical patent/EP3210512A1/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
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • A47L9/26—Incorporation of winding devices for electric cables

Definitions

  • the publication DE 88 09 067 U1 discloses a vacuum cleaner with a vacuum cleaner housing, a dust chamber arranged in the vacuum cleaner housing and a fan arranged adjacent to the dust chamber, wherein a center axis of the fan is arranged obliquely to a bottom of the vacuum cleaner housing.
  • the disadvantage here is the strong deflection of the air flow from the dust chamber into the blower.
  • the document JP 2003 093279 A discloses a vacuum cleaner according to the preamble of claim 1.
  • the approach presented here has the object to provide an improved vacuum cleaner.
  • the achievable with the approach presented here are that a deflection of the air flow within the vacuum cleaner is minimized, whereby energy can be saved.
  • the dust chamber of the vacuum cleaner can be optimally filled.
  • a vacuum cleaner has a vacuum cleaner housing, a dust chamber arranged in the vacuum cleaner housing and a fan arranged adjacent to the dust chamber.
  • a central axis of the fan is arranged obliquely to a bottom of the vacuum cleaner housing.
  • the vacuum cleaner may be a conventional vacuum cleaner for cleaning a surface such as a floor surface.
  • the bottom of the Vacuum cleaner housing can be understood during an operation of the vacuum cleaner of the surface to be cleaned facing side of the vacuum cleaner housing.
  • the floor also has the vacuum cleaner rollers that allow the vacuum cleaner to move across the surface.
  • the center axis of the fan is arranged obliquely to the bottom, the fan may be aligned, for example in the direction of a vacuum cleaner cover facing away from the ground with a Saugschlauchanitati for a suction hose, through which flows through the fan sucked air into the dust chamber.
  • a fan-facing wall of the dust chamber may be arranged substantially perpendicular to the central axis of the fan.
  • the dust chamber can also be aligned with the Saugschlauchanitati.
  • an extension of the central axis intersects the Saugschlauchanitati for the suction hose.
  • the fan can be advantageously aligned, for example, directly on the Saugschlauchanitati to allow efficient and energy-efficient air flow.
  • the Saugschlauchanitati is arranged substantially perpendicular to the ground. A coupling of the suction hose is possible on a suction hose connection arranged in the vacuum cleaner cover.
  • the dust chamber, or arranged in the dust chamber vacuum cleaner bag, can be ideally filled by means of the described arrangement of Saugschlauchanitati.
  • the Saugschlauchanitati is arranged substantially extending on an extension of the central axis.
  • the blower is aligned directly with the suction hose connection for efficient and energy-saving airflow.
  • a dust chamber floor of the dust chamber may be arranged according to an embodiment substantially parallel to the ground.
  • a dust space inclined in the direction of the suction hose connection can thus promote a uniform distribution of the absorbed dust in the area of the floor.
  • the dust chamber floor can advantageously not exceed a length of 10 cm, in particular 5 cm, so that the dust chamber can be a total aligned substantially on the Saugschlauchanitati.
  • the fan-facing wall of the dust chamber can connect, which may be inclined relative to the dust chamber floor.
  • the dust chamber floor On one of the first page opposite side of the dust chamber floor may connect another wall of the dust chamber, which may also be inclined relative to the dust chamber floor. In this way, the dust chamber can be formed funnel-shaped, whereby recorded dust can settle well on the dust chamber floor.
  • an angular position between the bottom and the center axis is substantially between 10 ° and 80 °, in particular between 40 ° and 50 °.
  • the angular position described can allow a linear air flow between the blower and arranged on the vacuum cleaner cover or in the region of the vacuum cleaner cover Saugschlauchanitati.
  • the fan may be arranged substantially on an axis of symmetry of the vacuum cleaner housing. If the Saugschlauchanitati is also advantageously arranged on the symmetry axis of the vacuum cleaner housing, dust flowing into the dust chamber can be absorbed evenly in the dust chamber.
  • FIG. 1 shows a schematic representation of a vacuum cleaner 100 according to an embodiment.
  • the vacuum cleaner 100 has a vacuum cleaner housing 105.
  • the vacuum cleaner housing 105 has a bottom 115 of the vacuum cleaner 100 facing a surface to be cleaned and a vacuum cleaner cover 120 arranged opposite the floor 115.
  • a dust chamber 125 and a fan 130 arranged adjacent to the dust chamber 125 is arranged in the vacuum cleaner housing 105.
  • a central axis 132 of the blower 130 is arranged obliquely to a main extension plane of the bottom 115. In this way, the central axis 132 of the fan 130 extends obliquely between the bottom 115 and the vacuum cleaner cover 120th
  • the floor 115 has a plurality of vacuum cleaner rollers 135 for moving the vacuum cleaner 100 over the surface.
  • the vacuum cleaner cover 120 has According to this embodiment, a Saugschlauchanitati 140, passes through the air flowing through a vacuum cleaner hose 145 air 150, shown here with reference to arrows 150, from outside the vacuum cleaner 100 in the dust chamber 125. The air 150 is drawn by the blower 130 into the dust chamber 125.
  • the floor 115 and the vacuum cleaner cover 120 may be realized as rib-reinforced plastic components, as it is based on the FIGS. 4 and 5 is shown.
  • FIG. 2 shows a schematic representation of a vacuum cleaner 100 according to an embodiment. This can be the basis of FIG. 1 described vacuum cleaner 100, with the difference that the dust chamber 125 according to this embodiment has a parallel to the bottom 115 arranged dust chamber floor 200 and that according to this embodiment dust 205 is disposed within the dust chamber 125.
  • a first side wall 205 and a second side wall 210 of the dust space 125 adjoin the dust space floor 200.
  • the first side wall 205 faces the blower 130 and is arranged at an angle to the dust space floor 200.
  • the first side wall 205 is oriented substantially perpendicular to the central axis of the blower 130.
  • the second side wall 210 is disposed opposite to the first side wall 205 and arranged obliquely to the dust space bottom 200 and obliquely to the first side wall 205.
  • the dust chamber floor 200 is a bottom of a funnel-shaped dust chamber 125.
  • the obliquely arranged to the bottom 115 fan 130 allows a linear and thus energy-saving air flow through the vacuum cleaner 100.
  • the air ducts can be optimally designed.
  • the oblique fan 130 has the consequence that the dust chamber 125 is also inclined at the same angle as the fan 130. This favors a straight air duct through the device in the form of the vacuum cleaner 100.
  • the connection of the vacuum cleaner hose 145 through the suction hose connection 140 is realized on the vacuum cleaner cover 120.
  • the sucked in dust 205 falls according to this embodiment in a bag of the dust chamber 125 to the ground. As a result, a good filling of the bag is to be expected.
  • the angular position of the blower 130 to the bottom 115 is dependent on the position of Saugschlauchanitati 140. Ideally, the center axis of the blower 130 points to the opening of the vacuum cleaner hose 145. For example, an angular position of 45 ° +/- 30 ° is conceivable.
  • a cable drum can also be arranged differently.
  • the fan 130 is disposed close to the base plate in the form of the bottom 115, whereby a clearance above the fan 130, that is, between the fan 130 and the vacuum cleaner cover 120 is disposed. This space can be used for example for the cable drum.
  • the fan 130 is on the line of symmetry of the entire vacuum cleaner 100.
  • hose connection so Saugschlauchanitati 140, dust bag in the dust chamber 125, fan 130 and even an exhaust filter on a line centered in the vacuum cleaner 100.
  • the advantage is the improved air flow. Due to the oblique arrangement, the air is optimally passed through the dust chamber 125, without redirecting them. This results in a higher device efficiency of the vacuum cleaner 100 and a better dust absorption.
  • suction hose connection 140 / dust chamber 125 / fan 130 / cable drum / exhaust air filter lie on the symmetry axis of the vacuum cleaner 100, accessories may for example lie to the right and left of the fan 130 and / or the cable drum.
  • FIG. 3 shows a perspective view of a vacuum cleaner 100 according to an embodiment. This can be the basis of FIG. 2 described vacuum cleaner 100 act.
  • the vacuum cleaner hose 140 is coupled to a vacuum cleaner rod 300.
  • An end of the vacuum cleaner rod 300 facing away from the vacuum cleaner hose 145 has a floor nozzle 305 according to this exemplary embodiment.
  • FIG. 4 shows a perspective view of a vacuum cleaner lower shell 400 with a blower 130.
  • the fan 130 is disposed perpendicular to the floor 115. According to the basis of FIG. 1 approach described the fan 130 would be arranged obliquely to the bottom 115.
  • FIG. 5 shows a perspective view of a vacuum cleaner lower shell 400 with a blower 130.
  • the blower 130 is arranged parallel to the floor 115. According to the basis of FIG. 1 approach described the fan 130 would be arranged obliquely to the bottom 115.
  • FIG. 6 shows a schematic representation of a vacuum cleaner not according to the present invention, since the central axis of the blower 130 is arranged parallel to the bottom 115. According to the basis of FIG. 1 approach described the fan 130 would be arranged obliquely to the bottom 115. To direct the air 150 through the vacuum cleaner 100, due to the arrangement of the blower 130 shown here, several deflections in the guidance of the air 150 are necessary.
  • the air 150 is introduced into the device in the form of the vacuum cleaner 100 at the front / top, ie in the region of the vacuum cleaner cover 120, distributes itself in the dust chamber 125 and is then "sucked out” again.
  • the air flow is not linear (air inlet through Saugschlauchanitati 140 - dust chamber 125 - blower 130), which increases, for example, the air flow resistance.
  • the airways have extreme deflections, for example, after the fan lying 130 vertically up through the dust cover 120 to flow out again.
  • the necessary redirections of the air 150 are comparatively complicated when the blower 130, as in FIG FIG. 4 shown standing, that is perpendicular to the bottom 115, is arranged.
  • FIG. 7 shows a schematic representation of a vacuum cleaner 100. This may be the basis of FIG. 6 described vacuum cleaner 100, with the difference that dust 205 is disposed within the dust chamber 125.
  • FIG. 8 shows a schematic representation of a vacuum cleaner 100. This may be the basis of FIG. 7 Vacuum cleaner 100 described, with the difference that the Saugschlauchanitati 140 is disposed in line with the central axis of the blower 130. The Saugschlauchanitati 140 is thus disposed on a front side of the vacuum cleaner 100, parallel to the bottom 115.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Description

Der hier vorgestellte Ansatz betrifft einen Staubsauger.The approach presented here concerns a vacuum cleaner.

Um ein möglichst kleines Bauvolumen anzustreben, werden alle in einem Staubsauger aufgenommenen Komponenten kompakt angeordnet. Gebläse werden in Staubsaugern in liegender oder stehender Position, beispielsweise in der Staubsaugerunterschale neben der Kabeltrommel verbaut. Durch sehr hoch wattierte Gebläse ist es dann auch möglich, die Führung der Luftströmung beliebig umzulenken, um diese an die kompakte Bauweise anzupassen. Zukünftig müssen Staubsauger jedoch mit einer sehr viel kleineren Stromversorgung auskommen. Dies hat zur Folge, dass sich bei gleicher Bauweise die Staubaufnahmewerte verschlechtern. Daher ist es notwendig, die Führung der Luftströmung zu optimieren.In order to aim for the smallest possible volume of construction, all recorded in a vacuum cleaner components are arranged compact. Blowers are installed in vacuum cleaners in a lying or standing position, for example in the vacuum cleaner lower shell next to the cable drum. By very high wattage blower, it is also possible to deflect the leadership of the air flow as desired, to adapt them to the compact design. In the future, however, vacuum cleaners will have to manage with a much smaller power supply. As a result, with the same design, the dust absorption values deteriorate. Therefore, it is necessary to optimize the guidance of the air flow.

Die Druckschrift DE 88 09 067 U1 offenbart einen Staubsauger mit einem Staubsaugergehäuse, einem in dem Staubsaugergehäuse angeordneten Staubraum und einem benachbart zu dem Staubraum angeordneten Gebläse, wobei eine Mittelachse des Gebläses schräg zu einem Boden des Staubsaugergehäuses angeordnet ist. Nachteilig ist hierbei die starke Umlenkung der Luftströmung vom Staubraum in das Gebläse.The publication DE 88 09 067 U1 discloses a vacuum cleaner with a vacuum cleaner housing, a dust chamber arranged in the vacuum cleaner housing and a fan arranged adjacent to the dust chamber, wherein a center axis of the fan is arranged obliquely to a bottom of the vacuum cleaner housing. The disadvantage here is the strong deflection of the air flow from the dust chamber into the blower.

Das Dokument JP 2003 093279 A offenbart einen Staubsauger gemäß dem Oberbegriff des Anspruchs 1.The document JP 2003 093279 A discloses a vacuum cleaner according to the preamble of claim 1.

Dem hier vorgestellten Ansatz liegt die Aufgabe zugrunde, einen verbesserten Staubsauger zu schaffen.The approach presented here has the object to provide an improved vacuum cleaner.

Erfindungsgemäß wird diese Aufgabe durch einen Staubsauger mit den Merkmalen des Hauptanspruchs gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen des Ansatzes ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention this object is achieved by a vacuum cleaner with the features of the main claim. Advantageous embodiments and further developments of the approach will become apparent from the following subclaims.

Die mit dem hier vorgestellten Ansatz erreichbaren Vorteile bestehen darin, dass eine Umlenkung der Luftführung innerhalb des Staubsaugers minimiert wird, wodurch Energie eingespart werden kann. Zudem kann der Staubraum des Staubsaugers optimal befüllt werden.The achievable with the approach presented here are that a deflection of the air flow within the vacuum cleaner is minimized, whereby energy can be saved. In addition, the dust chamber of the vacuum cleaner can be optimally filled.

Ein Staubsauger weist ein Staubsaugergehäuse, einen in dem Staubsaugergehäuse angeordneten Staubraum und ein benachbart zu dem Staubraum angeordnetes Gebläse auf. Eine Mittelachse des Gebläses ist schräg zu einem Boden des Staubsaugergehäuses angeordnet.A vacuum cleaner has a vacuum cleaner housing, a dust chamber arranged in the vacuum cleaner housing and a fan arranged adjacent to the dust chamber. A central axis of the fan is arranged obliquely to a bottom of the vacuum cleaner housing.

Bei dem Staubsauger kann es sich beispielsweise um einen üblichen Bodenstaubsauger zum Reinigen einer Fläche, wie beispielsweise einer Bodenfläche, handeln. Als Boden des Staubsaugergehäuses kann die während eines Betriebs des Staubsaugers der zu reinigenden Fläche zugewandte Seite des Staubsaugergehäuses verstanden werden. Gewöhnlicherweise weist der Boden auch die Staubsaugerrollen auf, mithilfe derer sich der Staubsauger über die Fläche bewegen lässt. Wenn die Mittelachse des Gebläses schräg zu dem Boden angeordnet ist, kann das Gebläse beispielsweise in Richtung eines dem Boden abgewandt angeordneten Staubsaugerdeckels mit einer Saugschlauchanbindung für einen Saugschlauch ausgerichtet sein, durch welche durch das Gebläse angesaugte Luft in den Staubraum strömt. Durch eine beschriebene lineare Luftführung zwischen Saugschlauchanbindung und Gebläse kann Energie eingespart werden.For example, the vacuum cleaner may be a conventional vacuum cleaner for cleaning a surface such as a floor surface. As the bottom of the Vacuum cleaner housing can be understood during an operation of the vacuum cleaner of the surface to be cleaned facing side of the vacuum cleaner housing. Usually, the floor also has the vacuum cleaner rollers that allow the vacuum cleaner to move across the surface. If the center axis of the fan is arranged obliquely to the bottom, the fan may be aligned, for example in the direction of a vacuum cleaner cover facing away from the ground with a Saugschlauchanbindung for a suction hose, through which flows through the fan sucked air into the dust chamber. By a described linear air flow between suction hose and fan energy can be saved.

Eine dem Gebläse zugewandte Wand des Staubraums kann im Wesentlichen senkrecht zur Mittelachse des Gebläses angeordnet sein. So kann der Staubraum ebenfalls auf die Saugschlauchanbindung ausgerichtet sein.A fan-facing wall of the dust chamber may be arranged substantially perpendicular to the central axis of the fan. Thus, the dust chamber can also be aligned with the Saugschlauchanbindung.

Erfindungsgemäß schneidet eine Verlängerung der Mittelachse die Saugschlauchanbindung für den Saugschlauch. Das Gebläse kann so vorteilhafterweise beispielsweise direkt auf die Saugschlauchanbindung ausgerichtet sein, um eine effiziente und energiesparende Luftführung zu ermöglichen.According to the invention, an extension of the central axis intersects the Saugschlauchanbindung for the suction hose. The fan can be advantageously aligned, for example, directly on the Saugschlauchanbindung to allow efficient and energy-efficient air flow.

Die Saugschlauchanbindung ist im Wesentlichen senkrecht zu dem Boden angeordnet. Eine Kopplung des Saugschlauchs ist so an eine im Staubsaugerdeckel angeordnete Saugschlauchanbindung möglich. Der Staubraum, oder ein im Staubraum angeordneter Staubsaugerbeutel, lässt sich mittels der beschriebenen Anordnung der Saugschlauchanbindung ideal befüllen.The Saugschlauchanbindung is arranged substantially perpendicular to the ground. A coupling of the suction hose is possible on a suction hose connection arranged in the vacuum cleaner cover. The dust chamber, or arranged in the dust chamber vacuum cleaner bag, can be ideally filled by means of the described arrangement of Saugschlauchanbindung.

Die Saugschlauchanbindung ist im Wesentlichen auf einer Verlängerung der Mittelachse verlaufend angeordnet. Das Gebläse ist so direkt auf die Saugschlauchanbindung ausgerichtet, um eine effiziente und energiesparende Luftführung zu ermöglichen.The Saugschlauchanbindung is arranged substantially extending on an extension of the central axis. The blower is aligned directly with the suction hose connection for efficient and energy-saving airflow.

Ein Staubraumboden des Staubraums kann gemäß einer Ausführungsform im Wesentlichen parallel zum Boden angeordnet sein. Ein in Richtung der Saugschlauchanbindung geneigter Staubraum kann so im Bereich des Bodens eine gleichmäßige Verteilung des aufgenommenen Staubs begünstigen.A dust chamber floor of the dust chamber may be arranged according to an embodiment substantially parallel to the ground. A dust space inclined in the direction of the suction hose connection can thus promote a uniform distribution of the absorbed dust in the area of the floor.

Der Staubraumboden kann vorteilhafterweise eine Länge von 10 cm, insbesondere 5 cm nicht überschreiten, damit der Staubraum insgesamt im Wesentlichen auf die Saugschlauchanbindung ausgerichtet sein kann. An einer ersten Seite des Staubraumbodens kann die dem Gebläse zugewandte Wand des Staubraums anschließen, die gegenüber dem Staubraumboden geneigt sein kann. An einer der ersten Seite gegenüberliegenden Seite des Staubraumbodens kann eine weitere Wand des Staubraums anschließen, die ebenfalls gegenüber dem Staubraumboden geneigt sein kann. Auf diese Weise kann der Staubraum trichterförmig ausgeformt sein, wodurch sich aufgenommener Staub gut an dem Staubraumboden absetzen kann.The dust chamber floor can advantageously not exceed a length of 10 cm, in particular 5 cm, so that the dust chamber can be a total aligned substantially on the Saugschlauchanbindung. On a first side of the dust chamber floor, the fan-facing wall of the dust chamber can connect, which may be inclined relative to the dust chamber floor. On one of the first page opposite side of the dust chamber floor may connect another wall of the dust chamber, which may also be inclined relative to the dust chamber floor. In this way, the dust chamber can be formed funnel-shaped, whereby recorded dust can settle well on the dust chamber floor.

Von Vorteil ist es weiterhin, wenn eine Winkelstellung zwischen dem Boden und der Mittelachse im Wesentlichen zwischen 10° und 80°, insbesondere zwischen 40° und 50° liegt. Die beschriebene Winkelstellung kann eine lineare Luftführung zwischen dem Gebläse und der am Staubsaugerdeckel oder im Bereich des Staubsaugerdeckels angeordneten Saugschlauchanbindung ermöglichen.It is furthermore advantageous if an angular position between the bottom and the center axis is substantially between 10 ° and 80 °, in particular between 40 ° and 50 °. The angular position described can allow a linear air flow between the blower and arranged on the vacuum cleaner cover or in the region of the vacuum cleaner cover Saugschlauchanbindung.

Das Gebläse kann im Wesentlichen auf einer Symmetrieachse des Staubsaugergehäuses angeordnet sein. Wenn die Saugschlauchanbindung vorteilhafterweise ebenfalls auf der Symmetrieachse des Staubsaugergehäuses angeordnet ist, kann in den Staubraum strömender Staub gleichmäßig im Staubraum aufgenommen werden.The fan may be arranged substantially on an axis of symmetry of the vacuum cleaner housing. If the Saugschlauchanbindung is also advantageously arranged on the symmetry axis of the vacuum cleaner housing, dust flowing into the dust chamber can be absorbed evenly in the dust chamber.

Ausführungsbeispiele des Ansatzes sind in den Zeichnungen rein schematisch dargestellt und werden nachfolgend näher beschrieben. Es zeigt

Figuren 1 und 2
eine schematische Darstellung eines Staubsaugers gemäß einem Ausführungsbeispiel;
Figur 3
eine perspektivische Darstellung eines Staubsaugers gemäß einem Ausführungsbeispiel;
Figuren 4 und 5
eine perspektivische Darstellung einer Staubsaugerunterschale mit einem Gebläse; und
Figuren 6 und 8
eine schematische Darstellung eines Staubsaugers.
Embodiments of the approach are shown purely schematically in the drawings and will be described in more detail below. It shows
Figures 1 and 2
a schematic representation of a vacuum cleaner according to an embodiment;
FIG. 3
a perspective view of a vacuum cleaner according to an embodiment;
FIGS. 4 and 5
a perspective view of a vacuum cleaner lower shell with a blower; and
FIGS. 6 and 8
a schematic representation of a vacuum cleaner.

Figur 1 zeigt eine schematische Darstellung eines Staubsaugers 100 gemäß einem Ausführungsbeispiel. Der Staubsauger 100 weist ein Staubsaugergehäuse 105 auf. Das Staubsaugergehäuse 105 weist einen einer zu reinigenden Fläche zugewandt angeordneten Boden 115 des Staubsaugers 100 und einen dem Boden 115 gegenüberliegend angeordneten Staubsaugerdeckel 120 auf. In dem Staubsaugergehäuse 105 ist ein Staubraum 125 und ein benachbart zu dem Staubraum 125 angeordnetes Gebläse 130 angeordnet. Eine Mittelachse 132 des Gebläses 130 ist schräg zu einer Haupterstreckungsebene des Bodens 115 angeordnet. Auf diese Weise verläuft die Mittelachse 132 des Gebläses 130 schräg zwischen dem Boden 115 und dem Staubsaugerdeckel 120. FIG. 1 shows a schematic representation of a vacuum cleaner 100 according to an embodiment. The vacuum cleaner 100 has a vacuum cleaner housing 105. The vacuum cleaner housing 105 has a bottom 115 of the vacuum cleaner 100 facing a surface to be cleaned and a vacuum cleaner cover 120 arranged opposite the floor 115. In the vacuum cleaner housing 105, a dust chamber 125 and a fan 130 arranged adjacent to the dust chamber 125 is arranged. A central axis 132 of the blower 130 is arranged obliquely to a main extension plane of the bottom 115. In this way, the central axis 132 of the fan 130 extends obliquely between the bottom 115 and the vacuum cleaner cover 120th

Der Boden 115 weist gemäß diesem Ausführungsbeispiel mehrere Staubsaugerrollen 135 zum Bewegen des Staubsaugers 100 über die Fläche auf. Der Staubsaugerdeckel 120 weist gemäß diesem Ausführungsbeispiel eine Saugschlauchanbindung 140 auf, durch die durch einen Staubsaugerschlauch 145 einströmende Luft 150, hier anhand von Pfeilen 150 dargestellt, von außerhalb des Staubsaugers 100 in den Staubraum 125 gelangt. Die Luft 150 wird durch das Gebläse 130 in den Staubraum 125 gezogen.The floor 115 according to this embodiment has a plurality of vacuum cleaner rollers 135 for moving the vacuum cleaner 100 over the surface. The vacuum cleaner cover 120 has According to this embodiment, a Saugschlauchanbindung 140, passes through the air flowing through a vacuum cleaner hose 145 air 150, shown here with reference to arrows 150, from outside the vacuum cleaner 100 in the dust chamber 125. The air 150 is drawn by the blower 130 into the dust chamber 125.

Der Boden 115 und der Staubsaugerdeckel 120 können als rippenverstärkte Kunststoffbauteile realisiert sein, wie es anhand der Figuren 4 und 5 gezeigt ist.The floor 115 and the vacuum cleaner cover 120 may be realized as rib-reinforced plastic components, as it is based on the FIGS. 4 and 5 is shown.

Figur 2 zeigt eine schematische Darstellung eines Staubsaugers 100 gemäß einem Ausführungsbeispiel. Dabei kann es sich um den anhand von Figur 1 beschriebenen Staubsauger 100 handeln, mit dem Unterschied, dass der Staubraum 125 gemäß diesem Ausführungsbeispiel einen parallel zum Boden 115 angeordneten Staubraumboden 200 aufweist und, dass gemäß diesem Ausführungsbeispiel Staub 205 innerhalb des Staubraums 125 angeordnet ist. FIG. 2 shows a schematic representation of a vacuum cleaner 100 according to an embodiment. This can be the basis of FIG. 1 described vacuum cleaner 100, with the difference that the dust chamber 125 according to this embodiment has a parallel to the bottom 115 arranged dust chamber floor 200 and that according to this embodiment dust 205 is disposed within the dust chamber 125.

An den Staubraumboden 200 grenzen eine erste Seitenwand 205 und eine zweite Seitenwand 210 des Staubraums 125 an. Die erste Seitenwand 205 ist dem Gebläse 130 zugewandt und schräg zu dem Staubraumboden 200 angeordnet. Gemäß diesem Ausführungsbeispiel ist die erste Seitenwand 205 im Wesentlichen senkrecht zu der Mittelachse des Gebläses 130 ausgerichtet. Die zweite Seitenwand 210 ist gegenüberliegend zu der ersten Seitenwand 205 angeordnet und schräg zu dem Staubraumboden 200 und schräg zu der ersten Seitenwand 205 angeordnet. Auf diese Weise stellt der Staubraumboden 200 einen Boden eines trichterförmigen Staubraums 125 dar.A first side wall 205 and a second side wall 210 of the dust space 125 adjoin the dust space floor 200. The first side wall 205 faces the blower 130 and is arranged at an angle to the dust space floor 200. According to this embodiment, the first side wall 205 is oriented substantially perpendicular to the central axis of the blower 130. The second side wall 210 is disposed opposite to the first side wall 205 and arranged obliquely to the dust space bottom 200 and obliquely to the first side wall 205. In this way, the dust chamber floor 200 is a bottom of a funnel-shaped dust chamber 125.

Im Folgenden werden Ausführungsbeispiele anhand der Figur 2 nochmals näher beschrieben.In the following, embodiments are based on the FIG. 2 again described in more detail.

Das schräg zum Boden 115 angeordnete Gebläse 130 ermöglicht eine lineare und somit energiesparende Luftführung durch den Staubsauger 100. Die Luftführungswege können so optimal ausgelegt werden. Das schräge Gebläse 130 hat zur Folge, dass der Staubraum 125 ebenfalls im gleichen Winkel wie das Gebläse 130 geneigt ist. Dies begünstigt eine grade Luftführung durch das Gerät in Form des Staubsaugers 100. Die Anbindung des Staubsaugerschlauchs 145 durch die Saugschlauchanbindung 140 ist an dem Staubsaugerdeckel 120 realisiert. Der eingesaugte Staub 205 fällt gemäß diesem Ausführungsbeispiel in einem Beutel des Staubraums 125 zu Boden. Dadurch ist eine gute Füllung des Beutels zu erwarten.The obliquely arranged to the bottom 115 fan 130 allows a linear and thus energy-saving air flow through the vacuum cleaner 100. The air ducts can be optimally designed. The oblique fan 130 has the consequence that the dust chamber 125 is also inclined at the same angle as the fan 130. This favors a straight air duct through the device in the form of the vacuum cleaner 100. The connection of the vacuum cleaner hose 145 through the suction hose connection 140 is realized on the vacuum cleaner cover 120. The sucked in dust 205 falls according to this embodiment in a bag of the dust chamber 125 to the ground. As a result, a good filling of the bag is to be expected.

Die Winkelstellung des Gebläses 130 zu dem Boden 115 ist abhängig von der Position der Saugschlauchanbindung 140. Im Idealfall zeigt die Mittelachse des Gebläses 130 auf die Öffnung des Staubsaugerschlauchs 145. Es ist beispielsweise eine Winkelstellung von 45° +/- 30° denkbar.The angular position of the blower 130 to the bottom 115 is dependent on the position of Saugschlauchanbindung 140. Ideally, the center axis of the blower 130 points to the opening of the vacuum cleaner hose 145. For example, an angular position of 45 ° +/- 30 ° is conceivable.

Durch die schräge Gebläseanordnung 130 kann eine Kabeltrommel ebenfalls anders angeordnet werden. Das Gebläse 130 ist nah an der Grundplatte in Form des Bodens 115 angeordnet, wodurch ein Freiraum über dem Gebläse 130, also zwischen dem Gebläse 130 und dem Staubsaugerdeckel 120 angeordnet ist. Dieser Freiraum kann beispielsweise für die Kabeltrommel verwendet werden.By the oblique fan assembly 130, a cable drum can also be arranged differently. The fan 130 is disposed close to the base plate in the form of the bottom 115, whereby a clearance above the fan 130, that is, between the fan 130 and the vacuum cleaner cover 120 is disposed. This space can be used for example for the cable drum.

Für die optimale Luftführung liegt das Gebläse 130 auf der Symmetrielinie des gesamten Staubsaugers 100. Somit liegen Schlauchanschluss, also Saugschlauchanbindung 140, Staubbeutel im Staubraum 125, Gebläse 130 und sogar ein Abluftfilter auf einer Linie mittig im Staubsauger 100.For optimal air flow, the fan 130 is on the line of symmetry of the entire vacuum cleaner 100. Thus hose connection, so Saugschlauchanbindung 140, dust bag in the dust chamber 125, fan 130 and even an exhaust filter on a line centered in the vacuum cleaner 100.

Vorteilig ist die verbesserte Luftführung. Durch die schräge Anordnung wird die Luft optimal durch den Staubraum 125 geführt, ohne diese umzulenken. Dadurch ergibt sich ein höherer Gerätewirkungsgrad des Staubsaugers 100 und eine bessere Staubaufnahme.The advantage is the improved air flow. Due to the oblique arrangement, the air is optimally passed through the dust chamber 125, without redirecting them. This results in a higher device efficiency of the vacuum cleaner 100 and a better dust absorption.

Durch diese neue Anordnung können neue Gerätebauformen für Staubsauger 100 entstehen. Wenn die Komponenten Saugschlauchanbindung 140/Staubraum 125/Gebläse 130/Kabeltrommel/Abluftfilter auf der Symmetrieachse des Staubsaugers 100 liegen, kann Zubehör zum Beispiel rechts und links von dem Gebläse 130 und/oder der Kabeltrommel liegen.This new arrangement may result in new device designs for vacuum cleaners 100. If the components suction hose connection 140 / dust chamber 125 / fan 130 / cable drum / exhaust air filter lie on the symmetry axis of the vacuum cleaner 100, accessories may for example lie to the right and left of the fan 130 and / or the cable drum.

Figur 3 zeigt eine perspektivische Darstellung eines Staubsaugers 100 gemäß einem Ausführungsbeispiel. Dabei kann es sich um den anhand von Figur 2 beschriebenen Staubsauger 100 handeln. Gemäß diesem Ausführungsbeispiel ist der Staubsaugerschlauch 140 mit einer Staubsaugerstange 300 gekoppelt. Ein dem Staubsaugerschlauch 145 abgewandtes Ende der Staubsaugerstange 300 weist gemäß diesem Ausführungsbeispiel eine Bodendüse 305 auf. FIG. 3 shows a perspective view of a vacuum cleaner 100 according to an embodiment. This can be the basis of FIG. 2 described vacuum cleaner 100 act. According to this embodiment, the vacuum cleaner hose 140 is coupled to a vacuum cleaner rod 300. An end of the vacuum cleaner rod 300 facing away from the vacuum cleaner hose 145 has a floor nozzle 305 according to this exemplary embodiment.

Figur 4 zeigt eine perspektivische Darstellung einer Staubsaugerunterschale 400 mit einem Gebläse 130. Die Staubsaugerunterschale 400 kann ein den Boden 115 umfassender Bereich des anhand von Figur 1 beschriebenen Staubsaugergehäuses sein. Das Gebläse 130 ist senkrecht zum Boden 115 angeordnet. Gemäß dem anhand von Figur 1 beschriebenen Ansatz würde das Gebläse 130 schräg zum Boden 115 angeordnet werden. FIG. 4 shows a perspective view of a vacuum cleaner lower shell 400 with a blower 130. The vacuum cleaner lower shell 400, a bottom 115 comprising the area of the basis of FIG. 1 be described vacuum cleaner housing. The fan 130 is disposed perpendicular to the floor 115. According to the basis of FIG. 1 approach described the fan 130 would be arranged obliquely to the bottom 115.

Figur 5 zeigt eine perspektivische Darstellung einer Staubsaugerunterschale 400 mit einem Gebläse 130. Die Staubsaugerunterschale 400 kann ein den Boden 115 umfassender Bereich des anhand von Figur 1 beschriebenen Staubsaugergehäuses sein. Das Gebläse 130 ist parallel zum Boden 115 angeordnet. Gemäß dem anhand von Figur 1 beschriebenen Ansatz würde das Gebläse 130 schräg zum Boden 115 angeordnet werden. FIG. 5 shows a perspective view of a vacuum cleaner lower shell 400 with a blower 130. The vacuum cleaner lower shell 400, a bottom 115 comprising the area of the basis of FIG. 1 be described vacuum cleaner housing. The blower 130 is arranged parallel to the floor 115. According to the basis of FIG. 1 approach described the fan 130 would be arranged obliquely to the bottom 115.

Figur 6 zeigt eine schematische Darstellung eines Staubsaugers nicht gemäß vorliegender Erfindung, da die Mittelachse des Gebläses 130 parallel zum Boden 115 angeordnet ist. Gemäß dem anhand von Figur 1 beschriebenen Ansatz würde das Gebläse 130 schräg zum Boden 115 angeordnet werden. Um die Luft 150 durch den Staubsauger 100 zu leiten, sind aufgrund der hier dargestellten Anordnung des Gebläses 130 mehrere Umlenkungen in der Führung der Luft 150 nötig. FIG. 6 shows a schematic representation of a vacuum cleaner not according to the present invention, since the central axis of the blower 130 is arranged parallel to the bottom 115. According to the basis of FIG. 1 approach described the fan 130 would be arranged obliquely to the bottom 115. To direct the air 150 through the vacuum cleaner 100, due to the arrangement of the blower 130 shown here, several deflections in the guidance of the air 150 are necessary.

Dadurch, dass das Gebläse 130 liegend, also parallel zum Boden 115, angeordnet ist, ist dies positiv, da Toträume vermieden werden. Jedoch ist diese Positionierung ungünstig für das Strömungsverhalten der Luft 150. Die Luft 150 wird vorne/oben, also im Bereich des Staubsaugerdeckels 120 in das Gerät in Form des Staubsaugers 100 eingeleitet, verteilt sich im Staubraum 125 und wird dann aus diesem wieder "abgesaugt". Dabei ist die Luftführung nicht linear (Lufteinleitung durch Saugschlauchanbindung 140 - Staubraum 125 - Gebläse 130), wodurch sich zum Beispiel der Luftströmungswiderstand erhöht. Zudem haben die Luftwege extreme Umlenkungen, um zum Beispiel nach dem liegenden Gebläse 130 senkrecht nach oben durch den Staubsauerdeckel 120 wieder auszuströmen.The fact that the blower 130 is lying, that is arranged parallel to the floor 115, this is positive because dead spaces are avoided. However, this positioning is unfavorable for the flow behavior of the air 150. The air 150 is introduced into the device in the form of the vacuum cleaner 100 at the front / top, ie in the region of the vacuum cleaner cover 120, distributes itself in the dust chamber 125 and is then "sucked out" again. , The air flow is not linear (air inlet through Saugschlauchanbindung 140 - dust chamber 125 - blower 130), which increases, for example, the air flow resistance. In addition, the airways have extreme deflections, for example, after the fan lying 130 vertically up through the dust cover 120 to flow out again.

Vergleichbar aufwendig gestalten sich nötige Umlenkungen der Luft 150, wenn das Gebläse 130 wie in Figur 4 dargestellt stehend, also senkrecht zum Boden 115, angeordnet ist.The necessary redirections of the air 150 are comparatively complicated when the blower 130, as in FIG FIG. 4 shown standing, that is perpendicular to the bottom 115, is arranged.

Figur 7 zeigt eine schematische Darstellung eines Staubsaugers 100. Dabei kann es sich um den anhand von Figur 6 beschriebenen Staubsauger 100 handeln, mit dem Unterschied, dass Staub 205 innerhalb des Staubraums 125 angeordnet ist. FIG. 7 shows a schematic representation of a vacuum cleaner 100. This may be the basis of FIG. 6 described vacuum cleaner 100, with the difference that dust 205 is disposed within the dust chamber 125.

Figur 8 zeigt eine schematische Darstellung eines Staubsaugers 100. Dabei kann es sich um den anhand von Figur 7 beschriebenen Staubsauger 100 handeln, mit dem Unterschied, dass die Saugschlauchanbindung 140 auf einer Linie mit der Mittelachse des Gebläses 130 angeordnet ist. Die Saugschlauchanbindung 140 ist somit an einer Vorderseite des Staubsaugers 100, parallel zum Boden 115, angeordnet. FIG. 8 shows a schematic representation of a vacuum cleaner 100. This may be the basis of FIG. 7 Vacuum cleaner 100 described, with the difference that the Saugschlauchanbindung 140 is disposed in line with the central axis of the blower 130. The Saugschlauchanbindung 140 is thus disposed on a front side of the vacuum cleaner 100, parallel to the bottom 115.

Claims (7)

  1. Vacuum cleaner (100) comprising a vacuum cleaner housing (105), a dust chamber (125) arranged in the vacuum cleaner housing (105) and a fan (130) arranged so as to be adjacent to the dust chamber (125), a central axis (132) of the fan (130) being arranged so as to be oblique with respect to a base (115) of the vacuum cleaner housing (105),
    an extension of the central axis (132) intersecting a suction tube connection (140) for a suction tube (145), characterised in that
    the suction tube connection (140) is arranged
    substantially perpendicularly to the base (115).
  2. Vacuum cleaner (100) according to claim 1, characterised in that a wall (205) of the dust chamber (125) that faces the fan (130) is arranged substantially perpendicularly to the central axis (132) of the fan (130).
  3. Vacuum cleaner (100) according to claim 1, characterised in that the suction tube connection (140) is arranged so as to extend substantially on an extension of the central axis (132) or in parallel with the central axis (132).
  4. Vacuum cleaner (100) according to any of the preceding claims, characterised in that a dust chamber base (200) of the dust chamber (125) is arranged so as to be substantially in parallel with the base (115).
  5. Vacuum cleaner (100) according to claim 4, characterised in that the dust chamber base (200) has a length of less than 10 cm, in particular of less than 5 cm.
  6. Vacuum cleaner (100) according to any of the preceding claims, characterised in that an angular position between the base (115) and the central axis (132) is substantially between 10° and 80°, in particular between 40° and 50°.
  7. Vacuum cleaner (100) according to any of the preceding claims, characterised in that the fan (130) is arranged substantially on an axis of symmetry of the vacuum cleaner housing (105).
EP17154117.0A 2016-02-29 2017-02-01 Vacuum cleaner comprising an obliquely arranged blower Active EP3210512B1 (en)

Applications Claiming Priority (1)

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DE102016103513.0A DE102016103513A1 (en) 2016-02-29 2016-02-29 Vacuum cleaner with obliquely arranged fan

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EP3210512A1 EP3210512A1 (en) 2017-08-30
EP3210512B1 true EP3210512B1 (en) 2019-01-23

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JP7237481B2 (en) * 2018-07-02 2023-03-13 株式会社マキタ Cleaner

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Publication number Priority date Publication date Assignee Title
DE8809067U1 (en) * 1988-07-14 1989-11-16 Siemens AG, 1000 Berlin und 8000 München Vacuum cleaner
GB9927129D0 (en) * 1998-11-18 2000-01-12 White Consolidated Ind Inc Battery power combination vacuum cleaner
JP2001000372A (en) * 1999-06-24 2001-01-09 Mitsubishi Electric Corp Vacuum cleaner
JP2003093279A (en) * 2001-09-26 2003-04-02 Matsushita Electric Ind Co Ltd Vacuum cleaner
CN1292696C (en) * 2002-07-25 2007-01-03 东芝泰格有限公司 Vacuum cleaner
GB2391459A (en) * 2002-08-09 2004-02-11 Dyson Ltd A surface treating appliance with increased manoeuverability
TWI435703B (en) * 2010-03-17 2014-05-01 Ind Tech Res Inst Suction cleanning module
WO2014094834A1 (en) * 2012-12-18 2014-06-26 Alfred Kärcher Gmbh & Co. Kg Self-propelled and self-steering floor cleaning device

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DE102016103513A1 (en) 2017-08-31

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