CN100333682C - Cyclone separating apparatus and a vacuum cleaner having the same - Google Patents

Cyclone separating apparatus and a vacuum cleaner having the same Download PDF

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Publication number
CN100333682C
CN100333682C CNB2005100657550A CN200510065755A CN100333682C CN 100333682 C CN100333682 C CN 100333682C CN B2005100657550 A CNB2005100657550 A CN B2005100657550A CN 200510065755 A CN200510065755 A CN 200510065755A CN 100333682 C CN100333682 C CN 100333682C
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CN
China
Prior art keywords
discharge pipe
air discharge
rib
air
separating apparatus
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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
CNB2005100657550A
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Chinese (zh)
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CN1739441A (en
Inventor
宋化圭
朱载晚
李俊和
吴长根
李成喆
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Samsung Electronics Co Ltd
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Samsung Gwangju Electronics Co Ltd
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Publication of CN1739441A publication Critical patent/CN1739441A/en
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Expired - Fee Related legal-status Critical Current
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658Construction of outlets
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/0081Means for exhaust-air diffusion; Means for sound or vibration damping

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

Abstract

Cyclone separating apparatus and a vacuum cleaner having the same are provided. The cyclone separating apparatus comprises: cyclone mainbody including cyclone chamber and dust collecting chamber; cap unit connecting to the top part of the cyclone mainbody; door unit fixed on the bottom of the cyclone mainbody; and at least a noise lessening rib formed in the air discharge pipe in the cyclone chamber.

Description

Cyclonic separating apparatus and vacuum cleaner with this device
The reference of related application
The rights and interests of the 2004-74229 korean patent application that 2004-66366 number of requiring to propose in Korea S Department of Intellectual Property on August 23rd, 2004 of current application and on September 16th, 2004 propose in Korea S Department of Intellectual Property, its content is incorporated into here by reference.
Technical field
The present invention relates to Cyclonic separating apparatus and vacuum cleaner with this device.
Background technology
In common Cyclonic separating apparatus, be separated into and purify air and such as the impurity of dust through sucking dust laden air that path is inhaled into.Isolated dust is collected into dust collection chamber through dust ejector tube, is discharged into the outside of Cyclonic separating apparatus through air discharge pipe and purify air.During this period, become eddy current air stream through purifying air of being discharged of air discharge pipe, and the mobile of eddy current air stream can produce the noise and the pressure loss.
In order to overcome the problems referred to above, introduced a kind of air discharge pipe that increases to its air intake side diameter among the KR2001-0099572 of lg electronics company (LG Electronics inc) application.In addition, in the WO02067756 of Dyson application the structure that a kind of wherein streamlined tiltler is set at the central authorities of air discharge pipe is disclosed.
Yet, under those situations of lg electronics company and Dyson, can not suppress because the noise and the pressure loss that the eddy current air-flow that produces at the outer wall place of air discharge pipe causes.Especially in the situation of Dyson, streamlined tiltler and supporting construction for this reason can intercept and be included in dust in air, thereby can cause the obstruction of air discharge pipe.
Summary of the invention
One aspect of the present invention will address the above problem and shortcoming at least, and the advantage that describes below is provided at least.Therefore, one aspect of the present invention provides a kind of through improving with Cyclonic separating apparatus that reduces the noise and the pressure loss and the vacuum cleaner with this device.
In order to realize above-mentioned aspect of the present invention, the invention provides a kind of Cyclonic separating apparatus, comprising: the cyclone body that comprises cyclone chamber and dust collection chamber; Be connected to the cap unit on the top of cyclone body; Can be installed in the gate cell of the bottom of cyclone body with opening; And at least one noise that forms in the air discharge pipe of cyclone chamber reduces rib.This noise reduces rib central protrusion to air discharge pipe on the inwall of air discharge pipe, and comprises bending or curved portions and straight portion.This bending or curved portions are set at the porch of air discharge pipe, and straight portion is set at the exit of air discharge pipe.
The free end of bending or curved portions is circular to avoid the obstruction of dust.
In some embodiments, a plurality of noises reduce rib and are provided at predetermined intervals on the inwall of air discharge pipe.
In another embodiment, be provided with four noises and reduce rib, and its bending or curved portions are along the specific direction bending.
Noise reduces rib and has 0.1 to 0.4 times the width that is approximately the air discharge pipe internal diameter respectively.
Noise reduces rib and is formed on the inwall of air discharge pipe from a certain certain depth in the top of air discharge pipe, and forms a certain length-specific to the radially central authorities of air discharge pipe, so that do not arrive the radially central authorities of air discharge pipe.
The width that this noise reduces rib is approximately 0.1 to 0.4 times of internal diameter of air discharge pipe.
Another aspect of the present invention provides main body of dust collector, comprising: drive motors; Be connected to main body of dust collector to suck the just absorbent brush of the dust on clean Surface; Be releasably attached to main body of dust collector with Cyclonic separating apparatus from the dust laden air dust-separating that sucks through suction brush, and Cyclonic separating apparatus wherein comprises: the cyclone body that comprises cyclone chamber and dust collection chamber; Be connected to the cap unit on the top of cyclone body; Can be installed in the gate cell of the bottom of cyclone body with opening; And at least one noise that forms in the air discharge pipe of cyclone chamber reduces rib.This noise reduces rib central protrusion to air discharge pipe on the inwall of air discharge pipe, and comprises bending or curved portions and straight portion.
Noise reduces rib and is formed on the inwall of air discharge pipe from a certain certain depth in the top of air discharge pipe, and forms a certain length-specific to the radially central authorities of air discharge pipe, so that do not arrive the radially central authorities of air discharge pipe.
Description of drawings
Describe exemplary embodiments in detail by the reference accompanying drawing, above-mentioned aspect of the present invention and further feature will be more obvious, wherein:
Fig. 1 is for schematically showing the perspective view that has the vacuum cleaner of Cyclonic separating apparatus according to an embodiment of the invention;
Fig. 2 is the decomposition diagram of the Cyclonic separating apparatus of Fig. 1;
Fig. 3 is the perspective view of the cyclone body of demonstration Fig. 2;
Fig. 4 reduces the enlarged perspective of rib and air discharge pipe for the noise of Fig. 3;
Fig. 5 is for reducing the noise decibel comparison diagram of rib according to the noise that has Fig. 4;
Fig. 6 is for to reduce the noise decibel of rib and the comparison diagram of the pressure loss according to the noise that has Fig. 4;
Fig. 7 reduces the perspective view of rib for demonstration noise according to another embodiment of the present invention; With
Fig. 8 is for reducing the noise decibel comparison diagram of rib according to the noise that has Fig. 7.
The specific embodiment
Describe embodiments of the invention in detail hereinafter with reference to accompanying drawing.
In following description, even in different accompanying drawings, same drawing reference numeral is used for same parts.Illustrated content in description, for example detailed structure and parts only are used for auxiliary complete understanding the present invention.Therefore, clearly, the present invention also can realize under the situation of the content that does not have these qualifications.In addition, because being carried out unnecessary detailed description, known function or structure can make the present invention unclear, so be not described in greater detail.
With reference to Fig. 1, vacuum cleaner 200 comprises: main body of dust collector 250; Just be used to suck the absorbent brush 210 on clean Surface such as the impurity of dust; Be used to handle the operation part 230 of vacuum cleaner 200; The extension 220 that connects absorbent brush 210 and operation part 230; Flexible or the flexible hose 240 that is used for attended operation part 230 and main body of dust collector 250; And Cyclonic separating apparatus 300.
Provide the drive source drives motor (not shown) of suction to be installed in the main body of dust collector 250 as being used to.Cyclone separator 300 is detachably mounted in the main body of dust collector 250 and is included in dust in air to separate eccentrically.
With reference to Fig. 2, this Cyclonic separating apparatus 300 comprises: cap unit 330; Gate cell 350; And cyclone body 310.
Cap unit 330 is removably mounted on the upper end of cyclone body 310.By cap unit 330 is installed to cyclone body 310, dust path (not shown) is formed naturally between cyclone chamber 313 and dust collection chamber 315.Through dust path (not shown), the dust that the dust laden air centrifugation in cyclone chamber 313 goes out is moved to dust collection chamber 315.
By lid 330 is separated with cyclone body 310, the user just can be near cyclone chamber 315 and dust collection chamber 315 to clean and to repair.
Suction path 331 is formed on the preceding central portion of cap unit 330 and is communicated with flexible or flexible hose 240 (Fig. 1) fluid.
Gate cell 350 is connected the lower end of cyclone body by hinge, to be unlocked and to be closed along arrow " G ' " direction along arrow " G " direction with respect to hinge 351.When door 350 was unlocked, connecting path 311 and dust collection chamber 315 were unlocked in its bottom, and the dust of collecting in connecting path 311 and the dust collection chamber 315 is owing to gravity is discharged from like this.
Gate cell 350 is unlocked with following system.Press the button 319a that is arranged on handle 319 places, thereby retreat with the hook (not shown) of a side engagement of gate cell 350.Simultaneously, gate cell 350 is released with engaging of hook (not shown).Correspondingly, an end of gate cell 350 is rotated with respect to hinge 351.
In order to close gate cell 350, the user with respect to hinge 351 along G ' direction revolving door unit 350, so that a side fastening of hook (not shown) and gate cell 350.
With reference to Fig. 3, this cyclone body 310 comprises: connecting path 311; Cyclone chamber 313; Dust collection chamber 315; And handle 319.
Connecting path 311 is set at the middle part of cyclone body 310, and is connected to suction path 331 (Fig. 2), so that will be through sucking the dust laden air guiding cyclone chamber 313 that path 331 (Fig. 2) sucks.In sucking path 311, be formed with the filter installing hole 311a of the well strainer M that is used to install the tiny relatively dust of filtration.Through well strainer M, connecting path 311 is communicated with drive source (not shown) fluid.When the bottom-open of connecting path 311, the dust of collecting in connecting path 311 can fall and be discharged from.
Cyclone chamber 313 is formed on the right side of the connecting path 311 of cyclone body 310 inside, isolates dust to use centrifugal force from dust laden air.In the bottom of cyclone chamber 313, air access path 313a is formed so that through sucking the dust laden air inflow cyclone chamber 313 that path 331 and connecting path 311 suck.
Air discharge pipe 314 outstanding predetermined altitude in the bottom of cyclone chamber 313 is middle with circular in fact cross section.Air discharge pipe 314 is as the separated vent pathway that purifies air of dust.This air discharge pipe 314 can or form separate part with cyclone chamber 313 whole formation.
This air discharge pipe 314 has four noises that will be described below and reduces rib 317.
Dust collection chamber 315 is set at the left side of connecting path 311 to be collected in isolated dust in the cyclone chamber 313 therein.Stop member 315a is set at a side in the dust collection chamber 315 and sentences and prevent that collected dust from flowing back into cyclone chamber 313.Stop member 315a forms the 315 reclinate essence arcs or arc with respect to dust collection chamber.Because the bottom-open of dust chamber 315, by opening gate cell 350, the dust of collecting in the dust chamber 315 can fall owing to gravity, thereby is discharged from.
Handle 319 with flat in fact U-shaped is installed in the front of cyclone body 310, and user when main body of dust collector 310 separates catches with convenient cyclone body 250.The button 319a that is used to open gate cell 350 is set at the bottom of handle 319.In the inside of handle 319, the linkage component (not shown) is formed to connect button 319a and hook (not shown).
Below, with reference to Fig. 4 structure and the operation that the noise that is set to air discharge pipe 314 reduces rib 317 described.
For reducing the noise and the pressure loss that purify air and produce by process air discharge pipe 314, four noises reduce rib 317 is assembled in air discharge pipe 314 at interval with rule inwall 314b place.This noise reduces that rib 317 can be made separatedly and is adhered to the inwall 314b of air discharge pipe 314 by adhesive, or integrally forms with from inwall 314 projections with air discharge pipe 314.
This noise reduces rib 317 and has specific thickness t, and comprises along the bending of the direction to outlet 314c from the inlet 314a of air discharge pipe 314 or curved portions 317a and the 317c of portion directly.
Bending or curved portions 317a are set at the inlet 314a place of air discharge pipe 314, and along " A " direction bending, and minimum so that noise and the pressure loss are reduced to, this noise is caused by the collision that purifies air with bending or curved portions 317a.Article four, noise reduces the rib 317 direction assembling identical in the inwall 314b upper edge of air discharge pipe 314.
The free end 317b of bending or curved portions 317a is circular to avoid the obstruction of dust.According to said structure, the rotating flow that purifies air of inlet 314a that flows to air discharge pipe 314 is because bending or curved portions 317a and little by little lose its revolving force.Therefore, can prevent to form eddy current air stream by the inwall 314b collision of rotating flow that purifies air and air discharge pipe 314.
The straight 317c of portion is set at the outlet 314c place of air discharge pipe 314.Become straight air stream owing to bending or curved portions 317a lose purifying air of revolving force, and be directed into the outlet 314c of air discharge pipe 314.
Suppose that label " a " represents the internal diameter of air discharge pipe 314, noise reduces rib 317 and has the width " b " to the center from the inwall 314b of air discharge pipe 314.Width " b " be air discharge pipe 314 internal diameter " a " about 0.1 to about 0.4 times.Specifically, noise reduces the radius of the width " b " of rib 317 less than air discharge pipe 314, so that noise reduces the center that rib 317 can not arrive air discharge pipe 314.Utilize the unlimited central portion of air discharge pipe 314, the purifying air of inlet 314a that sucks air discharge pipe 314 can easily be discharged into the outlet 314c of air discharge pipe 314.
Below, description is had the operation of the vacuum cleaner of said structure shown in Fig. 1 to 4.
When CD-ROM drive motor was driven, through Cyclonic separating apparatus 300, suction was produced and is sent to absorbent brush 210.Absorbent brush 210 sucks the just dust on clean Surface with air.Through absorbent brush 210, extension 220 and flexible or flexible hose 240, the suction air that contains dust is imported into the suction path 331 of cap unit 330 along " F " direction.
In connecting path 311, the part of dust laden air is passed the well strainer M that is installed among the filter installing hole 311a, and edge " F1 " direction is discharged into the outside of Cyclonic separating apparatus 300 through being arranged on the emissions filter (not shown) of cyclone body 310 back.Along the direction of arrow " F2 ", the remainder of dust laden air is inhaled into the air inlet passage 313a of cyclone chamber 313.
This dust laden air rotates, and rises to the top of cap unit 330 from the bottom of cyclone chamber 313.Utilize centrifugal force, dust rushes at the dust collection chamber 315 that is arranged on cyclone body 310 left sides along " F3 " direction.Because stop member 315a, dust collected in dust collection chamber 315 can not flow back into cyclone chamber 313.
The upper end (not shown) that purifies air and collide cap unit 330 that wherein dust is separated, thus descend along the direction of arrow " F4 " in rotary manner.The air discharge pipe 314 of the bottom center of decline air through being formed on cyclone chamber 313 is discharged from.Here, through the central authorities of air discharge pipe 314, the part that purifies air of rotation is directly discharged, yet because bending or curved portions 317a, remaining rotation purifies air and loses revolving force and become straight air stream through the straight 317c of portion, and is discharged out air discharge pipe 314.
Along " F5 " direction,, be discharged to the outside of Cyclonic separating apparatus 300 through purifying air of air vent pathway 314 through being arranged on the emissions filter (not shown) of cyclone body 310 back.
When vacuum cleaner was driven at first, the well strainer M of dust laden air major part in being arranged on filter installing hole 311a that is inhaled into described suction path 311 was discharged from.Yet when well strainer M was blocked by dust, most of dust laden air was inhaled among the air inlet passage 313a of cyclone chamber 313.This is the attribute that (is dust laden air here) because fluid and has to flow to relatively than a side of slight drag.Owing to have well strainer M, can improve vacuum cleaner by the pressure loss that produces during driving at first.
Below, the noise that is used to reduce the noise and the pressure loss with reference to Fig. 5 and Fig. 6 evaluation reduces the effect of rib 317.
Reduce effect about noise, the situation when noise not being set reducing rib 317 is compared, and reduces rib 317 by noise is set, and noise all is reduced 2.8dB in each frequency band.Especially, by flow analysis (Flow Analysis), according to for the noise that produces in the air vent pathway 314 special frequency band (1.2KHz, 2.4KHz) Jian Yan noise reduces effect, owing to exist noise to reduce rib 317, noise has been reduced 16.9dB and 7.5dB respectively considerably.
Next, noise reduces rib 317 to reduce the effect of the pressure loss as follows.
With reference to Fig. 6, when noise being set reducing rib 317, the pressure loss is about 472mm H 2O.On the contrary, when noise not being set reducing rib 317, the pressure loss is about 527mm H 2O.Therefore, noise reduces 317 pairs of pressure losses of rib and has improved 55mm H approximately 2O.In other words, owing to exist noise to reduce rib 317, the pressure loss has reduced 11% approximately.
Hereinafter, will another embodiment that noise reduces rib 317 be described.
With reference to Fig. 7, in air discharge pipe 414, article four, noise reduces rib 417 and is formed in the air discharge pipe 414 from the top of air discharge pipe 414 certain depth " d ", and respectively intersect through the axis of centres of air discharge pipe 414 or with the axis of centres of air discharge pipe 414 or vertical X-Y coordinate on.
Noise reduces rib 417 and forms the have specific thicknesses rectangle of " t1 ", and is arranged on the inwall 414a of air discharge pipe 414.Suppose that label " a1 " represents the internal diameter of air discharge pipe 417, noise reduces rib 417 to have from the inwall 414 of air discharge pipe 414 width " b1 " to the center.Width " b1 " be air discharge pipe 417 internal diameter " a1 " about 0.1 to about 0.4 times.Specifically, noise reduces the radius of the length " b1 " of rib 417 less than air discharge pipe 414, so that noise reduces the center that rib 417 can not arrive air discharge pipe 414.
Utilize the noise of above-mentioned structure to reduce rib 417, can prevent to purify air becomes eddy current air stream in air discharge pipe 414, and correspondingly, can reduce the noise of being given birth to by this eddy current air miscarriage.
With reference to Fig. 8, when reducing rib 417, noise do not compare with being provided with, by being set, noise reduces rib 417, and noise on average is reduced 3dB in each frequency band.
Especially, by flow analysis, according to for the noise that produces in the air vent pathway 414 special frequency band (1.2KHz, 2.4KHz) Jian Yan noise reduces effect, owing to existing noise to reduce rib 417, noise has been reduced 15dB and 7dB respectively considerably.
As from according to a particular embodiment of the invention Cyclonic separating apparatus 300 with have that the vacuum cleaner of this device is appreciated that, be installed in noise in air discharge pipe 314 and 414 and reduce rib 317 and 417 and can suppress to purify air and produce eddy current air stream, thereby can reduce the noise that in air discharge pipe 314 and 414, produces by eddy current air stream.Equally, can reduce the pressure loss.Therefore, the user can more cosily work owing to noise reduces, and in addition, can improve cleaning efficiency owing to the pressure loss that reduces.
Though illustrated and described the present invention with reference to specific embodiment, those skilled in the art will appreciate that: under the situation that does not deviate from the definite the spirit and scope of the present invention of claims, the present invention can carry out the change of various ways and details.

Claims (13)

1. Cyclonic separating apparatus comprises:
The cyclone body that comprises cyclone chamber and dust collection chamber;
Be connected to the cap unit on the top of cyclone body;
Can be installed to the gate cell of the bottom of cyclone body with opening; With
At least one noise that forms in the air discharge pipe in cyclone chamber reduces rib,
Wherein said at least one noise reduces rib central protrusion to air discharge pipe on the inwall of air discharge pipe, and comprises bending or curved portions and straight portion, and
Wherein said bending or curved portions are set at the porch of air discharge pipe, and straight portion is set at the exit of air discharge pipe.
2. Cyclonic separating apparatus according to claim 1, wherein: bending or curved portions comprise free end, described free end is circular to avoid the obstruction of dust.
3. Cyclonic separating apparatus according to claim 1, wherein: a plurality of noises that described at least one noise reduces to be provided at predetermined intervals on the inwall that rib is included in air discharge pipe reduce rib.
4. Cyclonic separating apparatus according to claim 3, wherein: described a plurality of noises reduce rib and comprise that four noises reduce rib.
5. Cyclonic separating apparatus according to claim 3, wherein: described a plurality of noises reduce rib, and each has 0.1 to 0.4 times width of the internal diameter that is about air discharge pipe respectively.
6. vacuum cleaner comprises:
The main body of dust collector that has drive motors;
Be connected to main body of dust collector to suck the just absorbent brush of the dust on clean Surface; With
Be releasably attached to main body of dust collector with from the Cyclonic separating apparatus of the dust laden air dust-separating that sucks through absorbent brush and
Wherein said Cyclonic separating apparatus comprises: the cyclone body that comprises cyclone chamber and dust collection chamber; Be connected to the cap unit on the top of cyclone body; Can be installed in the gate cell of the bottom of cyclone body with opening; And at least one noise that forms in the air discharge pipe in cyclone chamber reduces rib,
Wherein said at least one noise reduces rib central protrusion to air discharge pipe on the inwall of air discharge pipe, and comprises bend and straight portion.
7. vacuum cleaner according to claim 6, wherein: described at least one noise reduces rib and is formed on the inwall of air discharge pipe from a certain certain depth in the top of distance air discharge pipe, and form a certain length-specific to the radially central authorities of air discharge pipe, so that do not arrive the radially central authorities of air discharge pipe.
8. Cyclonic separating apparatus comprises:
Cyclone chamber;
Be used for dust laden air is imported the air inlet passage of cyclone chamber, described cyclone chamber causes dust laden air generation rotating flow to purify air and dust so that dust laden air is separated into;
Determine from the air discharge pipe of the vent pathway of cyclone chamber emission purification air; And
The noise that forms on air discharge pipe along the air vent pathway reduces rib; Described noise reduces rib to be enough to prevent to purify air become eddy current air stream in air discharge pipe,
Wherein: described noise reduces bending or the curved portions that rib comprises the porch that is arranged on air discharge pipe, and described bending or curved portions are enough to remove gradually the revolving force of rotating flow.
9. Cyclonic separating apparatus according to claim 8, wherein: described noise reduces rib and is fixed to air discharge pipe or forms with air discharge pipe is whole.
10. Cyclonic separating apparatus according to claim 8, wherein: described noise reduces the straight portion that rib comprises the exit that is arranged on air discharge pipe, and described straight portion is enough to make clean air form straight air-flow in the exit of air discharge pipe.
11. Cyclonic separating apparatus according to claim 8, wherein: described noise reduces the width of rib less than the air discharge pipe radius.
12. Cyclonic separating apparatus according to claim 8, wherein: described noise reduces that rib comprises along the air vent pathway, on air discharge pipe, a plurality of noises of being provided at predetermined intervals reduce rib.
13. Cyclonic separating apparatus according to claim 8, wherein: described noise reduces rib and forms a certain certain depth from the inlet of air discharge pipe in air discharge pipe.
CNB2005100657550A 2004-08-23 2005-04-14 Cyclone separating apparatus and a vacuum cleaner having the same Expired - Fee Related CN100333682C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040066366A KR100540793B1 (en) 2004-08-23 2004-08-23 Cyclone separating apparatus and a vaccum cleaner having the same
KR200466366 2004-08-23
KR200474229 2004-09-16

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CN1739441A CN1739441A (en) 2006-03-01
CN100333682C true CN100333682C (en) 2007-08-29

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EP2042071B1 (en) * 2006-07-03 2015-01-21 Suzhou Kingclean Floorcare Co., Ltd. Cyclone silencer of cleaner and dust removing device having the same
JP5077370B2 (en) * 2010-02-04 2012-11-21 三菱電機株式会社 Cyclone separation device and vacuum cleaner
DE102015100339B4 (en) * 2015-01-12 2019-05-02 Vorwerk & Co. Interholding Gmbh Household appliance, in particular attachment of a vacuum cleaner
GB2554929B (en) * 2016-10-14 2022-03-02 Techtronic Floor Care Tech Ltd Cyclonic separation device
CN108158489A (en) * 2017-12-26 2018-06-15 大连民族大学 A kind of noise-decreasing device of dust catcher
EP3698697A1 (en) * 2019-02-25 2020-08-26 Koninklijke Philips N.V. Cyclone separation device
CN110216745A (en) * 2019-06-11 2019-09-10 合肥雅克丽新型建材有限公司 Multifunctional wood cutting and processing machine

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WO2002067756A1 (en) * 2001-02-24 2002-09-06 Dyson Ltd Cyclonic separating apparatus
WO2003068042A1 (en) * 2002-02-11 2003-08-21 Dyson Ltd An exhaust assembly
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WO2002067756A1 (en) * 2001-02-24 2002-09-06 Dyson Ltd Cyclonic separating apparatus
WO2003068042A1 (en) * 2002-02-11 2003-08-21 Dyson Ltd An exhaust assembly

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