EP1679026B1 - Appareil permettant de recueillir des particules de poussiere et aspirateur comprenant celui-ci - Google Patents

Appareil permettant de recueillir des particules de poussiere et aspirateur comprenant celui-ci Download PDF

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Publication number
EP1679026B1
EP1679026B1 EP06100068A EP06100068A EP1679026B1 EP 1679026 B1 EP1679026 B1 EP 1679026B1 EP 06100068 A EP06100068 A EP 06100068A EP 06100068 A EP06100068 A EP 06100068A EP 1679026 B1 EP1679026 B1 EP 1679026B1
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EP
European Patent Office
Prior art keywords
chamber
dust
cyclone
supplementary
cyclone 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.)
Expired - Fee Related
Application number
EP06100068A
Other languages
German (de)
English (en)
Other versions
EP1679026A2 (fr
EP1679026A3 (fr
Inventor
Hae Seock Yang
Moo Hyon Koh
Sang In Lee
Jae Yong Park
Myung Sig Yoo
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1020050000448A external-priority patent/KR100556443B1/ko
Priority claimed from KR1020050000449A external-priority patent/KR100556444B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1679026A2 publication Critical patent/EP1679026A2/fr
Publication of EP1679026A3 publication Critical patent/EP1679026A3/fr
Application granted granted Critical
Publication of EP1679026B1 publication Critical patent/EP1679026B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1641—Multiple arrangement thereof for parallel flow

Definitions

  • the present invention relates to an apparatus for collecting dust, and more particularly, to an apparatus for collecting dust and vacuum cleaner having the same.
  • the present invention is suitable for a wide scope of applications, it is particularly suitable for separating to store dust using a cyclone principle.
  • a vacuum cleaner includes an intake nozzle sucking particles such as dust and the like stacked on a room floor, a cleaner body provided with a dust collecting container separating to collect the particles, and a connecting pipe guiding the particles sucked via the intake nozzle to the cleaner body.
  • a cyclone is a device for collecting particles contained in air such as dust and the like using a cyclone principle.
  • the cyclone is applicable to various fields.
  • the cyclone is applied to a vacuum cleaner as a home appliance.
  • a dual cyclone collector having a plurality of cyclone parts is used to enhance dust collecting performance.
  • FIG. 1 A dust collector in a vacuum cleaner according to a related art is explained with reference to FIG. 1 as follows.
  • a dust collector consists of a primary cyclone dust collecting part 10 collecting relatively large dust by sucking polluted air from outside and a secondary cyclone dust collecting part 20 connected to the primary cyclone dust collecting part 10 to collect relatively small dust.
  • the primary cyclone dust collecting part 10 is a cylindrical receptacle of which lower end adheres closely to a bottom of the dust collector.
  • a first inlet 11 is formed at an upper lateral side to lead the polluted air having particles to be introduced in a tangential direction and a first outlet 12 is provided to a center of an upper end to discharge primarily cleaned air.
  • an upper space of the primary cyclone dust collecting part 10 configures a primary cyclone part 13 that separates particles by a centrifugal force and a lower space of the first cyclone dust collecting part 10 configures a dust chamber 14 storing the particles separated by the centrifugal force.
  • the air discharged from the first outlet 12 is introduced into the secondary cyclone dust collecting part 20 and is then discharged upward through a secondary dust-separating process.
  • the secondary cyclone dust collecting part 20 consists of a plurality of small secondary cyclone parts 21 provided to an upper circumference of the primary cyclone dust collecting part 10 in a circumferential direction and a supplementary dust chamber 22 storing dust separated from the secondary cyclone parts 21.
  • the supplementary dust chamber 22 is provided under the secondary cyclone parts 21. And, the dust chamber 14 and the supplementary dust chambers 22 are partitioned from each other by a sidewall of the primary cyclone dust collecting part 10.
  • the dust stored in the dust chamber 14 is scattered by a spiral flow generated from the primary cyclone part 13, whereby dust-collecting performance is degraded.
  • FR2812531A1 discloses an apparatus for collecting dust comprising a cylindrical cyclone chamber for separating particles from introduced air and a dust chamber provided under the cyclone chamber for storing dust separated by the cyclone chamber.
  • the dust chamber has a substantial box-like shape.
  • GB2399780A discloses another apparatus for collecting dust comprising an upstream cyclone unit with a single cyclone and a downstream cyclone unit comprising a plurality of cyclones arranged in parallel.
  • the upstream cyclone comprises a cylindrical bin with an outer peripheral sidewall and a closed base for storing dust separated by the upstream cyclone.
  • Another cylindrical dust chamber is defined by a cylindrical internal wall coaxial with the outer peripheral wall of the bin, for storing dust separated by the plural downstream cyclones.
  • the present invention is directed to an apparatus for collecting dust and vacuum cleaner having the same that substantially obviate one or more problems due to limitations and disadvantages of the related art.
  • An object of the present invention is to provide an apparatus for collecting dust and vacuum cleaner having the same, by which dust-collecting performance is enhanced.
  • an apparatus for collecting dust cleaner according to the present invention includes the features of claim 1.
  • a minimal distance of the inner peripheral side wall of the dust chamber from the axial centre line of the cyclone chamber in the cross-section which is perpendicular to the axial centre line is greater than the radius of the cyclone chamber and a lower end of the inner peripheral side wall of the dust chamber is sealed by a bottom of the dust chamber.
  • the inner peripheral side wall of the dust chamber is parallel to the axial centre line of the cyclone chamber and is perpendicular to a bottom of the dust chamber.
  • the apparatus further includes a supplementary cyclone unit provided under the cyclone chamber to separate the dust from air discharged from the cyclone chamber.
  • the supplementary cyclone unit includes a plurality of supplementary cyclone chambers provided outside the cyclone chamber in a circumferential direction.
  • a plurality of the supplementary cyclone chambers are provided at an outer periphery of the cyclone chamber in one body, a dust discharging hole is provided to a lower end of each of the supplementary cyclone chambers.
  • the apparatus further includes a supplementary dust chamber provided along a circumference of the dust chamber to store the dust discharged downwardly via the dust discharging hole wherein the discharged dust is separated by the corresponding supplementary cyclone chamber.
  • the dust chamber and the supplementary dust chamber are partitioned from each other by a boundary wall forming the inner peripheral side wall of the dust chamber provided with the indentations along the circumferential direction.
  • the boundary wall extends axially from lower ends of the supplementary cyclone chambers.
  • each of the supplementary cyclone chambers includes a cylindrical chamber provided to the outer periphery of the cyclone chamber in one body, a lower chamber provided to a lower end of the upper chamber to have a diameter decreasing gradually and downwardly.
  • the dust discharging hole is provided to a lower end of the lower chamber
  • the boundary wall comprises a plurality of curved portions, an upper end of each of the plurality of the curved portions is connected to the lower end of the corresponding lower chamber, a lower end of each of a plurality of the curved portions is connected to a bottom of the dust chamber, each of the plurality of the curved portions is provided parallel to the axial centre line of the cyclone chamber, and the cross-section of each of a plurality of the curved portions perpendicular to the axial centre line of the cyclone chamber is convex toward an inside of the dust chamber.
  • each of a plurality of the curved portions perpendicular to the axial centre line of the cyclone lower chamber has the same curvature radius as the lower end of the corresponding lower chamber.
  • the boundary wall further includes a plurality of shield walls shielding gaps between the plurality of the curved portions, respectively.
  • each of a plurality of the curved portions as seen in a cross-section which is perpendicular to the axial centre line of the cyclone chamber has a semi-circular shape and is equally divided by a virtual plane including the axial line of the cyclone chamber and the axial centre line of the corresponding supplementary cyclone chamber connected to the corresponding curved portion.
  • the lower chamber is coaxial with the upper chamber, and an axial centre line of each of the supplementary cyclone chambers is aligned parallel to that of the cyclone chamber
  • a maximal distance between an inner lateral side of the boundary wall and the axial line of the cyclone chamber is equal to or smaller than a distance between the axial line of the cyclone chamber and the axial line of one of the supplementary cyclone chambers.
  • bottoms of the dust chamber and the supplementary dust chamber are formed in one body to configure a bottom of a dust collecting container and the bottom of the dust collecting container can be opened/closed.
  • the cyclone chamber includes a cylindrical receptacle, a first inlet provided to one side of an upper part of the cylindrical receptacle, a first outlet provided to a center of an upper end of the cylindrical receptacle, a hollow exhaust member detachably provided to the first outlet to communicate with the first outlet, and the exhaust member having a multitude of perforated hole.
  • a vacuum cleaner includes the above-described apparatus.
  • a canister type vacuum cleaner as one embodiment of a vacuum cleaner having a dust collector according to the present invention is explained with reference to FIG. 2 and FIG. 3 as follows.
  • FIG. 2 is a perspective diagram of a cleaner body of a vacuum cleaner having a dust collector according to one embodiment of the present invention and FIG. 3 is an exploded perspective diagram of the cleaner body and the dust collector shown in FIG. 2 .
  • a vacuum cleaner according to the present invention includes an intake nozzle (not shown in the drawings) moving along a room floor to be cleaned to suck air containing particles, a cleaner body 100 provided separate from the intake nozzle, and a connecting pipe (not shown in the drawings) mutually connecting the intake nozzle to the cleaner body 100 to guide the polluted air sucked via the intake nozzle to the cleaner body 100.
  • a nozzle inlet having a prescribed size is provided to a bottom of the intake nozzle to suck dust piled up on the room floor and the air by an air intake force generated from an air intake device built in the cleaner body 100.
  • an electronic part controlling the vacuum cleaner and a motor-fan assembly configuring the air intake device are built.
  • a hose connecting part 110 connected to the connecting pipe is provided to an upper front end of the cleaner body 100
  • wheels 120 are rotatably provided to both rear sides of the cleaner body 100 to enable the cleaner body 100 to smoothly move on the room floor, respectively
  • a caster (not shown in the drawing) as a rotating member for changing a moving direction of the cleaner body 100 is connected to a front bottom of the cleaner body 100.
  • a dust collector 200 for collecting dust is detachably provided to a front side of the cleaner body 100.
  • the dust collector 200 plays a role in collecting dust by separating particles from the air introduced into the dust collector 200 via the intake nozzle and the connecting pipe.
  • the air discharged from the dust collector 200 is discharged to a rear side of the cleaner body 100 via a prescribed passage configured within the cleaner body 100 and the motor-fan assembly (not shown in the drawing).
  • a dust collector 200 according to one embodiment of the present invention is explained with reference to FIGs. 4 to 7 as follows.
  • FIG. 4 is a cross-sectional diagram of a dust collector according to the present invention
  • FIG. 5 is a perspective diagram of a dust collecting container provided to a dust collector according to one embodiment of the present invention
  • FIG. 6 is a perspective diagram of a dust collecting container cover provided to the dust collector according to one embodiment of the present invention shown in FIG. 5
  • FIG. 7 is a perspective diagram of an inside of a dust collector according to the present invention, in which a bottom of the dust collector is disassembled.
  • a dust collector 200 includes a dust collecting container 210 separating to store dust, a dust collecting container cover 220 opening/closing one end of the dust collecting container 210, and more particularly, an upper end of the dust collecting container 210, and an upper cover 230 detachably joined to the dust collecting container cover 220 to have a dust collector grip 231 at its upper surface.
  • a primary dust collecting part and a secondary dust collecting part are provided within the dust collecting container 210 to collect dust by separating particles such as dust and the like.
  • a bottom of the dust collecting container 210 includes a lower panel 211 that can be opened/closed.
  • the primary dust collecting part includes a cyclone chamber 214 and a dust chamber 212 storing the dust separated from the cyclone chamber 214.
  • the cyclone chamber 214 substantially includes a cylindrical receptacle.
  • the cyclone chamber 214 separates dust from the air introduced into the chamber 214 using the cyclone principle.
  • the cyclone chamber 214 plays a role in separating dust using a difference between centrifugal forces applied to the dust and the air, respectively.
  • the secondary dust collecting part includes a supplementary cyclone unit provided under the cyclone chamber 214 and a supplementary dust chamber 213 storing the dust separated from the supplementary cyclone unit.
  • the supplementary cyclone unit includes a plurality of supplementary cyclone chambers 215 separating dust by the cyclone principle.
  • a plurality of the supplementary cyclone chambers 215 are arranged along an outer circumference of the cyclone chamber 214 in a circumferential direction.
  • the cyclone chamber 214 has a cylindrical receptacle shape of which lower end is open.
  • a first inlet 214a communicating with the hose connecting part 110 is provided to an upper lateral side of the cyclone chamber 214.
  • a first outlet 214b perforated in a vertical direction is formed at a center of an upper end of the cylindrical receptacle.
  • the first inlet 214a guides the polluted air introduced from outside in a tangential direction to an inner wall of the cyclone chamber 214.
  • the air introduced into the first inlet 214a can flow spirally along the inner wall of the cyclone chamber 214.
  • a plurality of the supplementary cyclone chambers 215 are built in one body of an outer wall of the cyclone chamber 214.
  • a plurality of the supplementary cyclone chambers 215 are arranged on an upper circumference of the cyclone chamber 214 in a circumferential direction. An upper end of each of the supplementary cyclone chambers 215 is projected higher than that of the cyclone chamber 214.
  • each of the supplementary cyclone chambers 215 projected higher than the upper end of the cyclone chamber 214 is vertically cut in part to configure a second inlet 215a communicating with the first outlet 214b.
  • an upper end of each of the supplementary cyclone chambers 215 is open to configure a second outlet 215b.
  • the second inlet 215a guides the air discharged from the first outlet 214b in a tangential direction to the inner wall of the supplementary cyclone chamber 215.
  • a guide vane 215c is built in one body of an outer sidewall of the second inlet 215a to extend toward the first outlet 214b.
  • each of the supplementary cyclone chambers 215 is vertically provided to the outer circumference of the cyclone chamber 214 to have an axial line parallel to that of the cyclone chamber 214.
  • a dust discharging hole 215e is provided to a lower end of the supplementary cyclone chamber 215 to discharge dust having been separated by the corresponding supplementary cyclone chamber 215.
  • each of the supplementary cyclone chambers 215 includes a cylindrical upper chamber formed on the outer circumference of the cyclone chamber 214 and a lower chamber 215d built in one body of a lower end of the upper end.
  • the lower chamber 215 has a decreasing diameter downwardly and is aligned on a same axis of the upper chamber.
  • a lower end of the lower chamber 215d configures a lower end of the supplementary cyclone chamber 215. And, the lower end of the lower chamber 215d is vertically perforated by the dust discharging hole 215e so that the dust separated by the supplementary cyclone chamber 215 can be downwardly discharged.
  • the upper chambers of the supplementary cyclone chambers 215 are built in one body to be adjacent to one another. Hence, air is prevented from leaking between the supplementary cyclone chambers 215.
  • the dust collecting container cover 220 is mounted on the upper ends of the supplementary cyclone chambers 215.
  • Third outlets 221, which are vertically perforated, are provided to a rim of the dust collecting container cover 220 to oppose the second outlets 215b of the supplementary cyclone chambers 215, respectively.
  • the upper cover 230 having an open lower end is detachably assembled to an upper part of the dust collecting container cover 220.
  • three hanging protrusions 222 are provided to an outer circumference of the dust collecting container cover 220.
  • three hanging recesses are provided to an inner circumference of the upper cover 230 so that the hanging protrusions 222 can be fitted into the hanging recesses, respectively. It is a matter of course that the positions and shapes of the hanging protrusions and recesses can be variously modified.
  • a fourth outlet 232 is provided to a rear side of the upper cover 230 to discharge air to a prescribed passage provided to a rear part of the cleaner body 100. And, a prescribed space is provided within the upper cover 230 to communicate with the fourth outlet 232.
  • a filter accommodating portion is provided to the inner space of the upper cover 230 to accommodate a filter (not shown in the drawing) filtering off micro-dust from the air discharged via the third outlets 221.
  • the dust having been separated by the above-configured cyclone chamber 214 and the above-configured supplementary cyclone chambers 215 is preferentially stored in the dust chamber 212 and the supplementary dust chambers 213 and is then discharged outside by gravity if the lower panel 211 forming the bottom of the dust collecting container 210 is open.
  • the dust chamber 212 stores the dust separated by the cyclone chamber 214.
  • the supplementary dust chamber 213 is provided along a circumference of the dust chamber 212 to store the dust downwardly discharged via the dust discharging holes 215e.
  • the cyclone chamber 214 further includes a hollow exhaust member 216 having a multitude of perforated holes to communicate with the first outlet 214b and a guide rib 217 provided to the cylindrical receptacle of the cyclone chamber 214 to guide the air introduced via the first inlet 214a.
  • the exhaust member 216 is detachably connected to the first outlet 214b and is vertically provided within the cyclone unit.
  • the exhaust member 216 preferably has an approximately conoid shape, of which upper end is open and of which lower end is closed, having a downwardly decreasing diameter.
  • a ring type sealing member is provided to sustain airtightness between an upper end of the exhaust member 216 and the first outlet 214b.
  • a scatter-preventing member 218 is provided beneath the exhaust member 216 to prevent the dust stored in the dust chamber 212 from being scattered.
  • the scatter-preventing member 218 plays a role in preventing the dust collected in the dust chamber 212 from ascending by a spiral flow to be introduced into the supplementary cyclone chambers 215.
  • the scatter-preventing member 218 is preferably provided to the lower end of the exhaust member 216 to have a shape extending radially.
  • an upper surface of the scatter-preventing member 218 is tilted downwardly.
  • the scatter-preventing member 218 has a conoid shape having a diameter increasing downwardly.
  • the guide rib 217 is configured to guide the air introduced into the first inlet 214a in a tangential direction to the inner wall of the cyclone chamber 214 so that the air introduced into the first inlet 214a is prevented from being directly introduced into the exhaust member 216.
  • the dust chamber 212 is provided under the cyclone chamber 214 and an inner circumference of the dust chamber 212 is preferably curved in a circumferential direction.
  • a distance of the inner circumference of the dust chamber 212 from an axial line of the cyclone chamber 214 is greater than a radius of the cyclone chamber 214.
  • the inner circumference of the dust chamber 212 can be configured not to have a curved shape.
  • the inner circumference of the dust chamber 212 is preferably configured to have a curved shape.
  • the inner circumference of the dust chamber 212 is aligned parallel to the axial line of the cyclone chamber 214 and is preferably configured vertical to the bottom of the dust chamber 212, i.e., an upper surface of the lower panel 211 configuring the bottom of the dust collector.
  • the dust chamber 212 and the supplementary dust chamber 213 are partitioned by a boundary wall 219 provided within the dust collecting container 210.
  • the supplementary dust chamber 213 is configured by the boundary wall 219 and an outer wall of the dust collecting container 210.
  • a radius of the boundary wall 219 is smaller than that of the outer wall of the dust collecting container 210 and is curved in a circumferential direction. Hence, an inner lateral side of the boundary wall 219 configures the inner circumference of the dust chamber 212.
  • the boundary wall 219 is provided under the supplementary cyclone chambers 215 in one body. More preferably, the boundary wall 219 extends from each lower end of the supplementary cyclone chambers 215.
  • the boundary wall 219 includes a plurality of curved portions 219b.
  • upper ends of a plurality of the curved portions 219b are connected to lower ends of the lower chambers 215d, respectively and lower ends of a plurality of the curved portions 219b are connected to the lower panel 211 configuring the bottom of the dust chamber 212.
  • the lower panel 211 configures the bottoms of the dust chamber 212 and the supplementary dust chamber 213.
  • the plurality of the curved portions 219b are provided parallel to axial lines of the cyclone 214. And, a cross-section, which is vertical to the axial line of the cyclone chamber 214, of each of the curved portions 219b is configured convex toward an inside of the dust chamber 212.
  • the plurality of the curved portions 219b are provided parallel to axial lines of the lower chambers 215, respectively.
  • each of the curved portions 219b has a cross-section that is vertical to the axial line of the corresponding lower chamber 215d to have an arc shape of which curvature radius is equal to that of the lower end of the corresponding lower chamber 215d.
  • each of the curved portions 219b has a curvature radius approximately equal to that of the rim of the dust discharging hole 215e provided to the lower end of the corresponding supplementary cyclone chamber 215.
  • a maximal distance between the inner lateral side of the boundary wall 219 and the axial line of the cyclone chamber 214 i.e., a distance between the axial line of the cyclone chamber 214 and each recess 219a between the curved portions 219b is preferably equal to or smaller than the distance between the axial line of the cyclone chamber 214 and the axial line of the corresponding supplementary cyclone chamber 215.
  • each of the curved portions 219b has a semi-circular shape that is equally divided by a virtual plane including the axial line of the cyclone chamber 214 and the axial line of the corresponding supplementary cyclone chamber 215.
  • the maximal distance between the inner lateral side of the boundary wall and the axial line of the cyclone chamber 214 becomes approximately equal to the distance between the axial line of the cyclone chamber 214 and the axial line of the supplementary cyclone chamber 215.
  • the boundary wall 219 is formed in one body of the lower end of the supplementary cyclone chamber 215 and the supplementary cyclone chamber 215 includes the lower chamber 215d having the approximately conoid shape. Hence, gaps exist between the curved portions 215b.
  • the boundary wall 219 further includes a plurality of shield walls 219c shielding the gaps between a plurality of the curved portions 219b, respectively.
  • the shield walls 219c configure inner walls of the recesses 219a formed on the inner circumference of the boundary wall 219.
  • the boundary wall 219 is curved in a circumferential direction and the recesses 219a are arranged in the circumferential direction to vertically extend long.
  • a dust accommodating space of the dust chamber 212 storing most of the particles and large-size particles can be maximized.
  • the boundary wall 219 increases the dust storing space of the dust chamber 212 as well as prevents the dust chamber 212 from communicating with the supplementary dust chamber 213.
  • the boundary wall 219 prevents the dust stored in the dust chamber 212 from being scattered by the spiral flow generated from the cyclone chamber 214.
  • the boundary wall 219 is approximately configured to be connected to the lower ends of the conoid lower chambers 215d.
  • the boundary wall 219 can be configured to be connected to the lower ends of the cylindrical supplementary cyclone chambers overall.
  • the air introduced into the cyclone chamber 214 is not directly introduced into the exhaust member 216 by the first inlet 214a and the guide rib 217 but is guided in the direction tangential to the inner wall of the cyclone chamber 214 to form the spiral flow.
  • the relatively large and heavy dust is separated and falls to be stored in the dust chamber 212.
  • the dust stored in the dust chamber 212 is prevented from being scattered by the scatter-preventing member 218 and the boundary wall 219 having the curved inner circumference.
  • the air, from which the relatively large dust was separated, is discharged to the first outlet 214b communicating with a multitude of the perforated holes provided to the lateral side of the exhaust member 218 and is then introduced into a plurality of the supplementary cyclone chambers 215 for dust separation.
  • the air, from which the relatively small dust was separated by the supplementary cyclone chambers 215, is introduced into the upper cover 230 via the second outlets 215b and the third outlets 221.
  • the air introduced into the upper cover 230 is filtered by the filter and is then discharged to a rear side via the fourth outlet 232.
  • the air discharged from the fourth outlet 232 passes through the prescribed passage provided to the rear part of the cleaner body and is then discharged outside the cleaner body.
  • the above-explained dust collector according to the present invention is applicable to a canister type vacuum cleaner or a stand type cleaner.
  • the present invention provides the following effects or advantages.
  • the sidewall of the dust chamber is curved in the circumferential direction, the spiral flow is prevented from occurring in the dust storing part. Hence, it is able to prevent the stored particles from being scattered.
  • the dust collector of the vacuum cleaner according to the present invention, the dust collecting space of the dust chamber storing most of the particles is maximized to increase the dust collecting capacity.
  • the dust collector of the vacuum cleaner since a plurality of the supplementary cyclone chambers are provided to the circumference of the cyclone chamber, the dust collector can have a compact configuration and dust collecting performance is enhanced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)

Claims (19)

  1. Appareil pour collecter des particules de poussière, comprenant:
    une chambre de cyclone (214) ayant une forme sensiblement cylindrique pour séparer les particules d'un air introduit; et
    une chambre de particules de poussière (212) prévue sous la chambre de cyclone (214) pour stocker les particules de poussière séparées par la chambre de cyclone (214), caractérisé par la chambre de particules de poussière (212) qui a une paroi latérale périphérique interne prévue avec des indentations le long d'une direction circonférentielle, comme observé sur une section transversale qui est perpendiculaire à l'axe central de la chambre de cyclone (214).
  2. Appareil selon la revendication 1, dans lequel une distance minimum de la paroi latérale périphérique interne de la chambre de particules de poussière (212) l'axe central de la chambre de cyclone (214) dans la section transversale qui est perpendiculaire à l'axe central, est supérieure au rayon de la chambre de cyclone (214) et dans lequel une extrémité inférieure de la paroi latérale périphérique interne de la chambre de particules de poussière (212) est scellée par un fond de la chambre de particules de poussière (212).
  3. Appareil selon la revendication 2, dans lequel la paroi latérale périphérique interne de la chambre de particules de poussière (212) est parallèle à l'axe central de la chambre de cyclone (214) et est perpendiculaire à un fond de la chambre de particules de poussière (212).
  4. Appareil selon l'une quelconque des revendications 1 à 3, comprenant en outre une unité de cyclone supplémentaire prévue à l'extérieur de la chambre de cyclone (214) pour séparer la poussière de l'air déchargé par la chambre de cyclone (214).
  5. Appareil selon la revendication 4, l'unité de cyclone supplémentaire comprenant une pluralité de chambres de cyclone supplémentaires (215) prévues à l'extérieur de la chambre de cyclone (214) dans une direction circonférentielle.
  6. Appareil selon la revendication 5, dans lequel une pluralité de chambres de cyclone supplémentaires (215) sont prévues au niveau d'une périphérie externe de la chambre de cyclone (214) d'un seul tenant, dans lequel un trou de décharge de particules de poussière (215e) est prévu sur une extrémité inférieure de chacune des chambres de cyclone supplémentaires (215).
  7. Appareil selon la revendication 6, comprenant en outre une chambre de particules de poussière supplémentaire (213) prévue le long d'une circonférence de la chambre de particules de poussière (212) pour stocker les particules de poussière déchargées vers le bas via le trou de décharge de particules de poussière (215e), dans lequel les particules de poussière déchargées sont séparées par la chambre de cyclone supplémentaire (215) correspondante.
  8. Appareil selon la revendication 7, dans lequel les fonds de la chambre de particules de poussière (212) et de la chambre de particules de poussière supplémentaire (213) sont formés d'un seul tenant pour configurer un fond d'un récipient de collecte de particules de poussière (210) et dans lequel le fond du récipient de collecte de particules de poussière (210) peut être ouvert/fermé.
  9. Appareil selon la revendication 7 ou 8, dans lequel la chambre de particules de poussière (212) et la chambre de particules de poussière supplémentaire (213) sont séparées l'une de l'autre par une paroi de limite (219) formant la paroi latérale périphérique interne de la chambre de particules de poussière (212) prévue avec les indentations le long de la direction circonférentielle.
  10. Appareil selon la revendication 9, dans lequel une distance maximale entre un côté périphérique interne de la paroi de limite (219) et l'axe central de la chambre de cyclone (214), comme observé dans une section transversale qui est perpendiculaire à l'axe central de la chambre de cyclone (214), est égale ou inférieure à une distance entre l'axe central de la chambre de cyclone (214) et le centre de l'extrémité inférieure de l'une des chambres de cyclone supplémentaires (215).
  11. Appareil selon la revendication 9 ou 10, dans lequel la paroi de limite (219) s'étend de manière axiale à partir de l'extrémité inférieure des chambres de cyclone supplémentaires (215).
  12. Appareil selon l'une quelconque des revendications 4 à 11, chacune des chambres de cyclone supplémentaires (215) comprenant:
    une chambre cylindrique prévue sur la périphérie externe de la chambre de cyclone (214) d'un seul tenant; et
    une chambre inférieure (215d) prévue sur une extrémité inférieure de la chambre supérieure pour avoir un diamètre diminuant progressivement vers le bas.
  13. Appareil selon la revendication 12 en combinaison avec les revendications 6, 7, 9 et 11, dans lequel le trou de décharge de particules de poussière (215e) est prévu sur une extrémité inférieure de la chambre inférieure (215d), dans lequel la paroi de limite (219) comprend une pluralité de parties incurvées (219b), dans lequel une extrémité supérieure de chacune de la pluralité de parties incurvées (219b) est raccordée à l'extrémité inférieure de la chambre inférieure correspondante (215d), dans lequel une extrémité inférieure de chacune d'une pluralité de parties incurvées (219b) est raccordée à un fond de la chambre de particules de poussière (212), dans lequel chacune de la pluralité de parties incurvées (219b) est prévue parallèlement à l'axe central de la chambre de cyclone (214), et dans lequel la section transversale de chacune d'une pluralité de parties incurvées (219b) perpendiculaires à l'axe central de la chambre de cyclone (214) est convexe vers un intérieur de la chambre de particules de poussière (212).
  14. Appareil selon la revendication 13, dans lequel la section transversale de chacune d'une pluralité de parties incurvées (219b) perpendiculaire à l'axe central de la chambre de cyclone (214) a le même rayon de courbure que l'extrémité inférieure de la chambre inférieure (215d).
  15. Appareil selon la revendication 14, la paroi de limite (219) comprenant en outre une pluralité de parois de protection (219c) protégeant les espaces entre la pluralité de parties incurvées (219b) respectivement.
  16. Appareil selon la revendication 13, 14 ou 15, dans lequel la section transversale de chacune des parties incurvées (219b), comme observé dans une section transversale qui est perpendiculaire à l'axe central de la chambre de cyclone (214) a une forme semi-circulaire et est divisée en parts égales par un plan virtuel comprenant l'axe central de la chambre de cyclone (214) et l'axe central de la chambre de cyclone supplémentaire (215) correspondante raccordée à la partie incurvée (219b) correspondante.
  17. Appareil selon l'une quelconque des revendications 12 à 16, dans lequel la chambre inférieure (215d) est coaxiale par rapport à la chambre supérieure, et dans lequel un axe central de chacune des chambres de cyclone supplémentaires (215) est aligné parallèlement à celui de la chambre de cyclone (214).
  18. Appareil selon l'une quelconque des revendications 1 à 17, la chambre de cyclone (214) comprenant:
    un réceptacle cylindrique;
    une première entrée (214a) prévue sur un côté d'une partie supérieure du réceptacle cylindrique;
    une première sortie (214b) prévue sur un centre d'une extrémité supérieure du réceptacle cylindrique; et
    un élément d'échappement creux (216) prévu de manière détachable sur la première sortie (214b) pour communiquer avec la première sortie (214b), l'élément d'échappement (216) ayant une multitude de trous perforés.
  19. Aspirateur comprenant l'appareil pour collecter des particules de poussière selon l'une quelconque des revendications 1 à 18.
EP06100068A 2005-01-04 2006-01-04 Appareil permettant de recueillir des particules de poussiere et aspirateur comprenant celui-ci Expired - Fee Related EP1679026B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050000448A KR100556443B1 (ko) 2005-01-04 2005-01-04 진공 청소기의 집진장치
KR1020050000449A KR100556444B1 (ko) 2005-01-04 2005-01-04 진공 청소기의 집진장치

Publications (3)

Publication Number Publication Date
EP1679026A2 EP1679026A2 (fr) 2006-07-12
EP1679026A3 EP1679026A3 (fr) 2010-06-09
EP1679026B1 true EP1679026B1 (fr) 2012-11-14

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Application Number Title Priority Date Filing Date
EP06100068A Expired - Fee Related EP1679026B1 (fr) 2005-01-04 2006-01-04 Appareil permettant de recueillir des particules de poussiere et aspirateur comprenant celui-ci

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EP (1) EP1679026B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7022002B2 (ja) * 2018-04-11 2022-02-17 東芝ライフスタイル株式会社 集塵装置および電気掃除機
CN109330476A (zh) * 2018-11-27 2019-02-15 江苏美的清洁电器股份有限公司 手持清洁设备
CN110584533A (zh) * 2019-09-05 2019-12-20 东莞福莱仕智能电子科技有限公司 旋风器、旋风分离装置及手持式吸尘器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100377015B1 (ko) * 2000-08-07 2003-03-26 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
DE60235193D1 (de) * 2001-10-12 2010-03-11 Arcelik As Staubsauger
GB2399780A (en) * 2003-03-28 2004-09-29 Dyson Ltd Arrangement of cyclones for noise damping

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EP1679026A2 (fr) 2006-07-12
EP1679026A3 (fr) 2010-06-09

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