EP3073882A1 - Cyclone séparateur - Google Patents

Cyclone séparateur

Info

Publication number
EP3073882A1
EP3073882A1 EP13795808.8A EP13795808A EP3073882A1 EP 3073882 A1 EP3073882 A1 EP 3073882A1 EP 13795808 A EP13795808 A EP 13795808A EP 3073882 A1 EP3073882 A1 EP 3073882A1
Authority
EP
European Patent Office
Prior art keywords
cyclone separator
separator apparatus
dip tube
suction
swirl chamber
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.)
Withdrawn
Application number
EP13795808.8A
Other languages
German (de)
English (en)
Inventor
Yunus Demirtas
Werner Rentschler
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3073882A1 publication Critical patent/EP3073882A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1608—Cyclonic chamber constructions
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B04C5/04—Tangential inlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08—Vortex chamber constructions
    • B04C5/081—Shapes or dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/185—Dust collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder

Definitions

  • the invention further relates to a cleaning device.
  • a cyclone separator for a Saugquess- device wherein the cyclone separator comprises a separating container for separating sucked cleaning liquid with an inlet through which suction air and cleaning liquid are sucked into the interior of the separation vessel to form a Zyk- ion an aspirating tube immersed in the interior and connectable to a suction unit having an outlet through which suction air can be sucked from the interior, and a partition wall shielding the outlet from the cleaning liquid, there being a gap between an inner wall of the separation tank and the partition wall.
  • the cyclone separator comprises at least one transfer element arranged between the dividing wall and the inner wall for passing cleaning liquid from the dividing wall to the inner wall, which bridges the gap between the dividing wall and the inner wall to a maximum residual gap of 2 mm.
  • the invention has for its object to provide a cyclone separator of the type mentioned, which provides good deposition results in a compact design. This object is achieved according to the invention in the cyclone separator device mentioned above in that the at least one discharge opening is formed as a slot in the jacket wall.
  • the suction unit generates a suction flow and via the dip tube, the separation chamber is subjected to negative pressure. Suction fluid can be sucked in via the generated suction flow.
  • the suction fluid which is dirt-laden fluid (dirt-laden air optionally with a liquid fraction), is coupled into the separation chamber via the at least one suction opening.
  • In the swirl chamber forms a cyclone flow and there is a spin separation. Separation medium is removed via the at least one discharge opening.
  • the swirl chamber and thus the cyclone separator apparatus as a whole can be formed in a compact manner. Separation medium is effectively removed from the swirl chamber and does not remain in this.
  • the cyclone separator device according to the invention can be used advantageously in connection with suction cleaning devices both for dry suction (with dry dirt fluid) and wet suction (with wet dirt fluid). It can be used, for example, for spray extraction equipment and wet vacuum cleaners. It can also be used for dry vacuum cleaners. It can be used, for example, for scrubber-driers or sweeping machines. It can also be used for cleaning equipment for smooth surfaces such as glass surfaces. Due to the compact design and also by a certain inclination independence, it can be used in an advantageous manner in hand-held cleaning appliances such as hand-held devices or hand-held cleaning appliances.
  • the swirl chamber can be formed in a structurally simple manner, in particular with a cylindrical jacket wall. It is particularly advantageous if the at least one dispensing opening is oriented in a longitudinal direction at least approximately parallel to the dip tube and / or at least approximately parallel to a generatrix of the casing wall and / or at least approximately parallel to an axial direction of the swirl chamber. This results in an effective removal of Abscheidemedium from the separation chamber. Separation medium does not have to be stored in the separation chamber, so that the deposition is not adversely affected.
  • the at least one discharge opening has a length in a longitudinal extension direction and a width transversely to the longitudinal extension direction, the width being smaller than the length. This results in an effective removal of Abscheidemedium.
  • the width is at most 40% of the length.
  • the width is at least 4 mm and in particular at least 5 mm and / or at most 25 mm and in particular at most 20 mm, then normally occurring contaminants can be removed effectively.
  • the separation chamber has an inner length in an axial direction and the at least one discharge opening extends over at least 90% of the inner length and in particular over at least 95% of the inner length and in particular over the entire inner length.
  • a discharge can be carried out over a large area and an effective discharge of separating medium results.
  • the separation chamber has a uniform cross-section along an axial direction. As a result, this can be formed in a structurally simple manner.
  • the jacket wall is cylindrical.
  • An effective cyclone flow can be formed in the separation chamber when the dip tube is cylindrical with respect to an outside and / or inside.
  • an angle between the at least one intake opening and the at least one delivery opening lies in the range between 120 ° and 360 ° and is in particular in the range between 150 ° and 360 ° relative to a flow direction of fluid at the intake opening.
  • the direction of flow reference applies to the angular direction.
  • the at least one discharge opening is below the at least one of the gravitational direction arranged an intake opening and arranged in particular in relation to the direction of gravity in the region of a lowest point of the swirl chamber.
  • an axial axis of the swirl chamber is oriented at least approximately horizontally relative to the direction of gravity. This results in an effective discharge.
  • An orientation of the at least one dispensing opening with respect to a vertical axis may be subject to fluctuations, that is to say variations in the position of the at least one dispensing opening relative to the vertical direction are possible at least in a certain range.
  • the cyclone separator device according to the invention can be advantageously used on a hand-held device.
  • the at least one suction opening is arranged on the swirl chamber such that at least approximately a flow parallel to a tangent of the jacket wall forms during inflow. As a result, a cyclone flow can be realized in an effective manner. It can also be provided that the at least one suction opening is arranged on the swirl chamber such that a spiral entry can be realized.
  • the dip tube is arranged on the first end wall of the swirl chamber, which is oriented transversely to the jacket wall and limits the separation space.
  • the dip tube can thereby be arranged parallel to the jacket wall.
  • first end wall opposite the second end wall of the swirl chamber which limits the separation space, is in particular formed free of openings.
  • the swirl chamber can be realized in a simple manner.
  • the first end wall and the second end wall are parallel to one another and, in cross-section, at least with respect to the border of the separation chamber on the same cross-section and the same shape.
  • the at least one discharge opening is oriented at least approximately parallel to a main flow direction for suction air in the dip tube. This results in an effective separation medium removal.
  • the immersion tube and / or a conduit from the dip tube to the suction unit is associated with a mechanical filter.
  • the mechanical filter is in particular a permanent filter and, for example, designed as a fine filter. It serves to largely prevent dirt particles from accessing the suction unit.
  • the mechanical filter is arranged on the dip tube. It can be arranged within the separation chamber or be arranged outside of the separation chamber.
  • a collar is disposed at an orifice of the dip tube in the separation chamber, which has an extension transverse to the dip tube and away from the dip tube.
  • the collar has one or more transversely projecting from the dip tube elements that reduce a liquid inlet at least.
  • the collar has a larger maximum outer diameter than the mouth of the dip tube.
  • the collar is formed as a truncated cone element. This achieves a "mouth enlargement" which, on the one hand, minimizes the suction flow for forming the cyclone flow. flows and on the other hand at least reduced the entry of liquid into the dip tube.
  • the collar has a raised edge, wherein in particular by the raised edge between the dip tube or an extension of the dip tube a groove around the dip tube (or then the extension of the dip tube) is formed. This raised edge prevents the ingress of liquid from the separation chamber into the dip tube.
  • the memory is a first memory which precedes a second memory, the second memory being in fluid communication with the first memory.
  • the second memory is connected to the first memory so that there is only one flow direction for liquid, that is, only liquid can flow from the first memory into the second memory, but no liquid can flow from the second memory into the first memory. It lets itself thereby the quantity at
  • Liquid in the first memory which is connected directly via the at least one discharge opening with the separation chamber, to the filling of the Keep second memory low and thus also minimize the risk of backflow of liquid into the separation chamber.
  • the memory is assigned a backflow prevention device which at least restricts the return of fluid into the separation chamber.
  • a backflow prevention device can be realized for example by a multi-chamber memory training.
  • a cleaning device which comprises a suction unit to which a cyclone separator device according to the invention is connected.
  • the cyclone separator device according to the invention can be realized compact, so that the corresponding cleaning device can be realized compact.
  • the cleaning device according to the invention has the advantages already explained in connection with the suction unit according to the invention.
  • the cleaning device comprises a suction nozzle, which is fluidly connected to the at least one suction opening.
  • a suction nozzle which is fluidly connected to the at least one suction opening.
  • the cleaning device is designed in particular as a suction device, wherein it can be configured as a wet suction device, as a dry suction device or as a wet-dry suction device. It is also possible that the suction device comprises at least one cleaning tool, by which a surface to be cleaned is mechanically acted upon. For example, as a cleaning tool, one or more lips are provided for engagement with a surface to be cleaned, wherein liquid is "removable" through the lip or lips.
  • the cleaning tool may for example also be a sweeping tool or scrubbing tool.
  • the cyclone separator device according to the invention is advantageously used in a cleaning device and in particular a suction device.
  • the cleaning device is hand-held.
  • Figure 1 is a perspective view of a first Auschloride
  • a cyclone separator device for example, a cyclone separator device according to the invention
  • FIG 2 is another perspective view of the cyclone separator apparatus of Figure 1 with the memories removed;
  • Figure 3 is a sectional view through the cyclone separator apparatus
  • Figure 4 is a sectional view taken along line 4-4 of Figure 3 (Figure 3 is a sectional view taken along line 3-3 of Figure 4);
  • Figure 5 is the same view as Figure 4 with a first embodiment of a collar on a dip tube;
  • Figure 6 is the same view as Figure 4 with a second embodiment of a collar;
  • Figure 7 is the same view as Figure 4 with a third embodiment of a collar
  • Figure 8 is a perspective view of a second embodiment of a cyclone separator according to the invention.
  • FIG. 9 is a partial sectional view of the cyclone separator apparatus according to FIG.
  • FIG. 8
  • FIG. 10 shows a schematic sectional view of an exemplary embodiment of a cleaning device which incorporates a cyclone
  • Figure 11 is a sectional view of another embodiment of a
  • Figure 12 is a sectional view of another embodiment of a
  • a first exemplary embodiment of a cyclone separator device which is shown in FIGS. 1 to 7 and designated 10, comprises a swirl chamber (cyclone chamber) 12.
  • the swirl chamber 12 comprises a jacket wall 14.
  • the jacket wall 14 extends in an axial direction 16 (compare for example Figure 4).
  • the jacket wall 14 has a (geometric) generator 18.
  • An inner side 20 is formed (geometrically) by circulation of the generatrix 18 on a defined curve. This defined curve is in particular a circle.
  • the jacket wall 14 is then cylindrical at least with respect to its inside. In particular, the jacket wall 14 is formed rotationally symmetrical with respect to an axial axis with the axial direction 16.
  • the jacket wall 14 defines an interior, which is a separation chamber 22.
  • a rotationally symmetrical cylindrical jacket wall 14 of the separation chamber 22 is formed as a hollow cylinder.
  • the separation chamber 22 is closed transversely to the jacket wall by a first end wall 24 and by an opposite second end wall 26.
  • the first end wall 24 and the second end wall 26 are connected fluid-tight with the jacket wall 14.
  • the second end wall 26 is formed closed without opening or the like; No fluid exchange can take place via the second end wall 26.
  • a dip tube 28 is arranged at the first end wall 24.
  • This dip tube 28 includes a cylindrical tube member 30.
  • This cylindrical tube member 30 is positioned in the separation chamber 22.
  • An axis 32 of the tubular element 30 is located coaxially with the axis of the jacket wall 14.
  • the tubular element 30 is formed in particular on an outer side 34 and on an inner side 36 cylindrical.
  • the tube member 30 protrudes at a height Hi parallel to the axial direction 16 in the separation chamber 22. This height Hi is smaller than a height H 2 of the separation chamber 22 between the first end wall 24 and the second end wall 26.
  • the dip tube 28 with the tube member 30 points an orifice 38 in the separation chamber 22.
  • the mouth 22 in particular has a circular shape.
  • the dip tube 28 may be a separate from the first end wall 24 element, which is fixed for example at this, or may be integrally formed with the first end wall 24.
  • the dip tube 28 is associated with a vacuum admission port 40, to which a suction unit 42 (see FIG. 10) can be connected or connected. About the suction unit 42, the separation chamber 22 can be subjected to negative pressure. Suction air can be removed from the separation chamber 22 via the vacuum admission connection 40.
  • the dip tube 28 is connected to a pipe section 44 which is disposed outside of the separation chamber 22.
  • the pipe section 44 has a region 46 which is arranged at least approximately parallel to the first end wall 24. Furthermore, it has a region 48 in which the tube piece 44 is bent. In the area 48, a flow deflection can take place.
  • Suction air which is guided in the tube member 30 of the dip tube 28, has a main flow direction 50, which is at least approximately parallel to the axial direction 16.
  • a main flow direction 52 in the tube 44 at the vacuum apply port 40 is transverse thereto and, for example, perpendicular thereto.
  • a boundary wall 54 of the tubular piece 44 is formed in particular in the region 46 by the first end wall 44. This results in a compact structure.
  • the dip tube 28 is associated with a mechanical filter 56. This mechanical filter 56 is intended to prevent dirt particles and the like from reaching the suction unit 42. In particular, the mechanical filter 56 between see the mouth 38 and the Unterbuchbeetzungsan gleich 40 disposed on the cyclone separator 10.
  • the mechanical filter 56 is disposed on the tube 44.
  • it is arranged directly above the tubular element 30 ⁇ .
  • the mechanical filter 56 can also be arranged in a line to the suction unit 42, which is connected downstream of suction air, for example, to the vacuum applied connection with respect to the main flow direction 52.
  • an intake opening 58 is arranged, via which dirt fluid is sucked into the swirl chamber 12.
  • the necessary negative pressure is generated by the suction unit 42, which provides the corresponding suction air.
  • the suction opening 58 is arranged on the jacket wall 14. It has an extension parallel to the axial direction 16.
  • the suction opening is bounded by a first transverse wall 60a and a spaced-apart second transverse wall 60b.
  • the first cross ⁇ wall 60a and the second transverse wall 60b are, in particular parallel zueinan ⁇ the. It can be provided that the first transverse wall 60a lies with respect to an inner side in alignment with an inner side of the second end wall 26 (FIG. 4).
  • the second transverse wall 60b is at least approximately at the level of the mouth 38 of the dip tube 28 in the separation chamber 22.
  • the suction 58 then parallel to the axial direction 16 has a height H 3 , which corresponds at least approximately H 2 - Hi.
  • the suction opening 58 is arranged so that dirt fluid in a main flow direction 62 (see, for example, FIG. 3) flows into the swirl chamber 12, which is at least approximately parallel to a tangent of the jacket wall 14; Dirt fluid then flows tangentially into the separation chamber 22 via the suction opening 58.
  • suction opening 58 is formed or assigned to it a corresponding device which ensures a spiral flow into the separation chamber 22.
  • An angular opening width of the suction opening 58 as an angular distance between opposite longitudinal walls 64a, 64b is typically in the range between, for example, 30 ° and 60 ° and for example at approximately 45 °.
  • the longitudinal walls 64a, 64b are transverse to the first transverse wall 60a and the second transverse wall 60b and are respectively connected thereto.
  • the longitudinal walls 64a and 64b are at least approximately parallel to the axial direction 16.
  • An opening height as a distance between the first transverse wall 60a and the second transverse wall 60b of the suction opening 58 is usually greater than the opening width as the distance between the longitudinal walls 64a and 64b.
  • the suction opening 58 is associated with a feed element 66.
  • This feed element 66 comprises the transverse walls 60a, 60b and the longitudinal walls 64a, 64b. Via the feed element 66 dirt fluid is coupled via the suction opening 58 into the separation chamber 22.
  • the feed element 66 is coupled in its geometric form to an application.
  • the feed element 66 has a connection 68, via which dirt fluid (indicated in FIG. 1 by the arrow 70) can be coupled.
  • a suction nozzle 72 (FIG. 10) can be connected or connected to the connection 68.
  • the feed element 66 varies in width and, for example, the feed element 66 has a greater width in the region of the suction opening 58 than in the region of the connection 68.
  • the feed element 66 extends in the region of the suction opening 58 in its height direction parallel to the axial direction 16 substantially over the entire height of the jacket wall 14, while the corresponding height in this direction in the region of the connection 68 is smaller.
  • the height H 3 of the suction opening 58 may be smaller than the corresponding height (parallel to the axial direction 16) of the feed element 66.
  • the feed element 66 is fixed relative to the casing wall 14 on the outside thereof and fixed, for example, directly to the casing wall or via a separate device with respect to this.
  • a separation takes place in the swirl chamber 12, depending on the application of liquid and / or dirt (wherein the liquid may also be dirt laden).
  • a discharge opening 74 is arranged on the jacket wall 14.
  • the discharge opening 74 is formed as a slot 76, which is continuous, in the casing wall 14. For example, this slot has a rectangular shape.
  • the discharge opening 74 extends in a longitudinal extension direction 78.
  • This longitudinal extension direction 78 is aligned parallel to the axial direction 16 or parallel to the generatrix 18 or parallel to the dip tube 28.
  • the discharge opening 74 has a length L.
  • Transverse to the discharge opening 74 has a width B.
  • the width B is smaller than the length L and is for example at most 40% of the length L. In one embodiment, the width is in the range between 4 mm and 25 mm and, for example, in the range between 5 mm and 20 mm. This can be derived in practice occurring typical contaminants.
  • the discharge opening extends in the longitudinal direction 78 substantially over the entire height of the separation chamber 22. In particular, the length L is at least 90% of the height H 2 and corresponds for example to the height H 2 .
  • the discharge opening 74 is at an angular distance from the suction opening 58. This angular distance is in particular in the range between about 120 ° to 360 °.
  • FIG. 3 is an angular distance 80 between the suction port 58 (based on a center between the longitudinal wall 64a and 64b at the intake port 58) and the discharge port 74 at about 260 °.
  • a cyclone direction (direction of rotation of the dirty fluid in the separation chamber 22) lies in the same direction as the corresponding angle for the angular distance 80, that is, in the embodiment according to FIG. 3, the main rotational direction and the angle for the angular distance 80 are in the clockwise direction ,
  • the axial axis of the swirl chamber 12 is oriented horizontally at least approximately relative to the direction of gravity g.
  • the discharge opening 74 is located at or near a point of the corresponding cleaning device, which is the lowest with respect to the gravitational direction g.
  • the swirl chamber 12 is associated with a storage device 82, which receives deposited by the swirl chamber 12 Abscheidemedium.
  • the storage device 82 has a storage chamber 84 with a receiving space 86.
  • the discharge opening 74 leads into the receiving space 86, so that separation medium 88 can pass from the separation space 22 through the discharge opening 74 into the receiving space 86.
  • the storage device has a multi-chamber configuration with a first storage 90 and a second storage 92.
  • the first storage 90 is formed by the storage chamber 84.
  • the first reservoir 90 is assigned a backflow prevention device 94, which is intended to prevent or at least reduce the return of separating medium from the first reservoir 90 into the separation chamber 22.
  • the backflow prevention device 94 is designed as a slosh guard.
  • This includes, for example, a collar 96, which is arranged on the storage chamber 84 and there in particular on a cover wall 98.
  • an opening 100 is formed, which corresponds to the discharge opening 74 in the jacket wall 14.
  • the collar 96 projects into the receiving space 86 of the storage device 82.
  • the second memory 92 which has a receiving space 102, is connected downstream of the first memory 90. Via a connection device 104, delivery medium can be led from the first memory 90 into the second memory 92.
  • connection device 104 having a directional valve, thus that no liquid from the receiving space 102 can flow back into the receiving space 86.
  • the amount of liquid in the receiving space 86, which directly adjoins the separation chamber 22, wherein discharge medium 22 flows directly into the receiving space 86 from the separation space 22, can be kept relatively low, so that liquid spilling back into the separation space 22 is prevented or is at least reduced, since the amount of liquid in the receiving space 86 is kept small, compared to the case when the storage device 82 has only a single receiving space, which connects directly to the discharge opening 74.
  • the connecting device 104 then forms, in particular with a corresponding valve, a part of the return-prevention device 94 or forms it itself.
  • one or more guide elements of a guide 106 may be arranged (see FIG. 9), which predetermine a direction for the flow in the separation space 22.
  • a collar 108 is arranged on the tube element 30 of the dip tube 28 within the separation chamber 22 at the mouth 38.
  • the collar 108 which points away from the dip tube 28, the penetration of liquid in particular from the separation space 22 into the dip tube 28 is prevented or at least reduced.
  • an effective opening width is expanded to a maximum diameter D, which is greater than d. It takes place within the separation chamber 22 on the dip tube 28 with its outer side 34 via the collar 108, the formation of a kind of gutter or trough 110, which surrounds the dip tube 28.
  • the collar 108 has at its maximum diameter a smaller distance from the inner side 20 of the jacket wall 14 than the dip tube 28.
  • the collar 108 is configured as a funnel 112 frusto-conical, with that side with the smaller diameter at the mouth 38 of the cylindrical dip tube 28 sits and that side with the larger opening distance from the mouth 38.
  • the collar 108 is formed by a ring element 114, which sits in the region of the mouth 38 on the outside of the tube element 30 and has a raised edge 116.
  • the raised edge is transverse and in particular perpendicular to an annular disc 118. Between the raised edge 116, the annular disc 118 and the outer side 34 of the dip tube 28, an annular groove 120 is formed.
  • this collar is formed by a ring element 122, which likewise has a raised edge 124. Due to the raised edge, a groove 128 is formed on the ring element 122 about an (imaginary) extension 126 of the cylindrical outer side of the dip tube 28.
  • the collar 108 with the embodiments 112, 114, 122 prevents the penetration of liquid into the dip tube 28 or reduces the amount of penetrating liquid.
  • the cyclone separator apparatus 10 operates as follows:
  • a negative pressure is applied via the suction unit 42 via the vacuum admission port 40.
  • a suction flow is produced, which is coupled into the separation chamber 22 via the dip tube 28.
  • dirt fluid can be sucked in via the connection 68.
  • This dirt fluid enters tangentially or spirally into the separation chamber 22. It forms a cyclone flow and there is a swirl deposition. Liquid or dirt particles or dirt-laden liquid is separated.
  • the separation medium is delivered to the storage device 82 via the discharge opening 74.
  • the mechanical filter 56 which is in particular a fine filter, ensures that the discharged suction air is contaminated as little as possible.
  • the cyclone separator apparatus 10 with the swirl chamber 12 can be realized compactly.
  • the discharge opening 74 as a slot 76 in the casing wall 14 "fast" is led out of the separation chamber 22 during operation of separating medium and it is the accumulation of separation medium in the separation chamber 22 is reduced.
  • the swirl chamber 12 with the jacket wall 14 can be formed in a relatively simple manner, in particular cylindrical. There is no need for a cone or cone.
  • the cyclone separator device 10 is functionally insensitive to inclinations, in particular when the axial axis 16 is oriented at least approximately horizontally relative to the gravitational direction g; the discharge opening 74 need not lie on a vertical axis with respect to the direction of gravity g, but may be inclined with respect to this.
  • the cyclone separator apparatus 10 according to the invention is thereby particularly advantageously suitable for hand tools in which tilt fluctuations can occur due to the manual guidance.
  • a second exemplary embodiment of a cyclone separator device according to the invention which is shown in FIGS. 8 and 9 and designated there by 130. is net, is basically the same structure as the cyclone separator device 10. It is a swirl chamber 132 is provided with a cylindrical jacket wall 134. The jacket wall 134 surrounds a separation chamber 136. A dip tube 138, which can be connected or connected to a suction unit 42, opens into the separation chamber 136.
  • an intake opening 140 is arranged on the jacket wall 134. Furthermore, a discharge opening 142 is arranged on the jacket wall. In the embodiment shown, an angular distance 144 between the suction opening 140, which in particular allows a tangential and / or spiral inflow, is about 300 °.
  • a guide device 106 with one or more guide elements is provided in order to specify a defined flow direction.
  • a storage device 146 is connected to the discharge port 142. Otherwise, the cyclone separator apparatus 130 functions like the cyclone separator apparatus 10.
  • FIG. 10 An embodiment of a cleaning device, shown in FIG. 10 and designated 150, is a hand suction device.
  • This hand suction device has, as mentioned above, a suction nozzle 72.
  • the suction nozzle may be associated with a cleaning tool for the mechanical loading of a cleaning surface.
  • this cleaning tool is designed as a lip 152 for removing liquid.
  • the cyclone separator 10 is integrated.
  • the axial direction 16 is at least approximately a horizontal direction with respect to the direction of gravity g.
  • the suction nozzle 170 and the lip 152 are then arranged so that when used as intended with at least approximately horizontal orientation surface contact is made possible.
  • the suction unit 42 is arranged at the cleaning device 150 spaced from the swirl chamber 12. Between the Unterbuchbeetzungs- connection 40 and the suction unit 42, a conduit 154 is arranged, which is formed for example by a pipe.
  • the line 154 may be connected directly to the vacuum admission port 40 or this may be formed on the line 154.
  • the suction unit 42 includes a suction fan 156, in which one or more wheels are driven by a fan motor 58.
  • the fan motor 158 is, for example, an electric motor, to which a battery device 160 can be assigned, in particular with rechargeable batteries. Exhaust air 162 of the suction fan 156 is discharged to the outside.
  • the suction unit 42 generates the necessary negative pressure, which generates the suction flow, which is "coupled” via the corresponding dip tube 28 into the separation chamber 22. There is an intake of dirt fluid, which is present at the suction nozzle 72, in the separation chamber 22. There, the cyclone flow is formed and separation medium is discharged via the discharge opening 74.
  • the cleaning device 150 has a longitudinal extension direction 164, and the axial axis 16 is transverse and in particular perpendicular to this longitudinal extension direction 164th In one embodiment of a cleaning device 166 (FIG. 11), this has a longitudinal extension direction 168.
  • the corresponding swirl chamber 12 of the cyclone separator apparatus 10 is installed so that the horizontal axis 16 is at least approximately parallel to the longitudinal extension direction 168.
  • a cyclone flow is indicated by the reference numeral 170.
  • the separation opening 74 extends essentially over the entire height H 2 of the separation space 22.
  • a discharge channel 172 is arranged at the discharge opening 74. This has, for example, a tapering cross-section to a memory 174 out.
  • the storage 174 is, for example, detachable on the cleaning device 166.
  • the discharge channel 172 forms a type of collecting space, via which a discharge medium via a corresponding connection means 176 to the memory 174 can be issued.
  • the discharge opening 74 is assigned a first storage 180, wherein a discharge channel is arranged between the first storage 180 and the discharge opening 74 182 may be arranged.
  • the first memory 180 is followed by a second memory 184, wherein in particular liquid can flow from the first memory 180 into the second memory 184.
  • the storage device 82 with the receiving chamber (s) 86 or 102 is preferably arranged below the delivery opening 74 in relation to the gravitational force direction g.
  • the cleaning devices 166 or 178 it is then possible for gravity-driven discharge medium to flow from the discharge channel 172 into the storage 174 or from the discharge device. channel 182 into the first memory 180 and from there into the second memory 184.
  • the cyclone separator device 10 or 130 according to the invention is fundamentally applicable to all cleaning suction devices for dry suction or wet suction.
  • the aspirated fluid is a "dry fluid" of air and dirt particles.
  • the dirty fluid is an air-liquid-particle mixture.
  • the cleaning suction device may include or may be formed without a cleaning liquid applying means for the surface to be cleaned.
  • the cyclone separator device can be realized compact, so that it can be advantageously used for hand-held devices and in particular hand-held devices or Stiehltechnik or sled devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Fluid Mechanics (AREA)
  • Cyclones (AREA)

Abstract

Cyclone séparateur destiné à un appareil de nettoyage, comprenant une chambre de turbulence (12) pourvue d'une paroi externe (14) qui délimite un espace de séparation (22) ; un tube plongeur (28) inséré dans l'espace de séparation (22) de la chambre de turbulence (12) ; un raccord à vide (40) qui est placé sur le tube plongeur (28) ou est en communication fluidique avec celui-ci, et qui est ou peut être raccordé à un groupe d'aspiration (42) ; au moins une ouverture d'aspiration (58) placée sur la chambre de turbulence (12) ; et au moins une ouverture de sortie (74) placée sur la chambre de turbulence (12), cette ouverture de sortie (74) se présentant sous la forme d'une fente (76) ménagée dans la paroi externe (14).
EP13795808.8A 2013-11-28 2013-11-28 Cyclone séparateur Withdrawn EP3073882A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/075022 WO2015078503A1 (fr) 2013-11-28 2013-11-28 Cyclone séparateur

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EP3073882A1 true EP3073882A1 (fr) 2016-10-05

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EP13795808.8A Withdrawn EP3073882A1 (fr) 2013-11-28 2013-11-28 Cyclone séparateur

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US (1) US20160270613A1 (fr)
EP (1) EP3073882A1 (fr)
CN (1) CN105764395A (fr)
RU (1) RU2016125557A (fr)
WO (1) WO2015078503A1 (fr)

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UA118498C2 (uk) 2014-10-13 2019-01-25 Альфред Керхер Гмбх Унд Ко. Кг Машина для чистки поверхонь
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DE102014114776A1 (de) 2014-10-13 2016-04-14 Alfred Kärcher Gmbh & Co. Kg Flächen-Reinigungsmaschine
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EP3361924B1 (fr) 2015-10-12 2023-08-09 Alfred Kärcher SE & Co. KG Machine de nettoyage de surfaces
EP3426122B1 (fr) 2016-03-09 2021-06-16 Alfred Kärcher SE & Co. KG Machine de nettoyage de surfaces
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DE102020118595A1 (de) * 2020-07-14 2022-01-20 Alfred Kärcher SE & Co. KG Saug-Reinigungsgerät und Verfahren zum Betreiben eines Saug-Reinigungsgeräts
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CN112138879B (zh) * 2020-09-02 2021-09-07 东莞福莱仕智能电子科技有限公司 一种旋风分离排尘方法
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Also Published As

Publication number Publication date
US20160270613A1 (en) 2016-09-22
WO2015078503A1 (fr) 2015-06-04
CN105764395A (zh) 2016-07-13
RU2016125557A (ru) 2018-01-10

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