CN102525349A - Vacuum cleaner - Google Patents

Vacuum cleaner Download PDF

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Publication number
CN102525349A
CN102525349A CN201210022253XA CN201210022253A CN102525349A CN 102525349 A CN102525349 A CN 102525349A CN 201210022253X A CN201210022253X A CN 201210022253XA CN 201210022253 A CN201210022253 A CN 201210022253A CN 102525349 A CN102525349 A CN 102525349A
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CN
China
Prior art keywords
separation chamber
cyclonic separation
vacuum cleaner
dust
axis
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Pending
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CN201210022253XA
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Chinese (zh)
Inventor
赵群力
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.)
Jiangsu Midea Cleaning Appliances Co Ltd
Original Assignee
Jiangsu Midea Chunhua Electric Appliances Co Ltd
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Publication date
Application filed by Jiangsu Midea Chunhua Electric Appliances Co Ltd filed Critical Jiangsu Midea Chunhua Electric Appliances Co Ltd
Priority to CN201210022253XA priority Critical patent/CN102525349A/en
Publication of CN102525349A publication Critical patent/CN102525349A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a vacuum cleaner, which is provided with an upstream cyclone separation unit and a downstream cyclone separation unit comprising a plurality of cyclone separators connected in parallel, each cyclone separator comprises a separator body, the interior of the separator body is provided with a cyclone separation chamber, the separator body is provided with an inlet, an exhaust outlet and a dust outlet, the cyclone separation chamber consists of an upper cyclone separation chamber and a lower cyclone separation chamber, which are connected with each other, the dust outlet is located on the lower end of the lower cyclone separation chamber, the exhaust outlet is located on the upper end of the upper cyclone separation chamber, airflow is whirled along a first axis in the upper cyclone separation chamber and a second axis in the lower cyclone separation chamber, the first axis is a straight line, and the second axis and the first axis are located on the same plane, and intersect each other at a point. Because the axes of the cyclone separators of the vacuum cleaner are bent or curved, dust goes away from the airflow field after being separated, the heights of the separators are reduced, and thereby the structure of the whole vacuum cleaner is more compact.

Description

Vacuum cleaner
Technical field
the present invention relates to a kind of vacuum cleaner.
Background technology
cyclone separating gas ash content is widely applied in vacuum cleaner from mode; Through the dust after the cyclonic separation (being solid matter) productive set to dust bucket; Be convenient to clear up dust; Reduce dust simultaneously and be leaked to the stream pressure decline that causes on the filtering material, prolonged the interval of dust catcher cleaning filtering material.European patent EP 0042723B discloses a kind of upper reaches first order and has adopted cyclonic separation, downstream second stage to separate the multistage cyclone separate type vacuum cleaner that adopts single coning wind isolating construction; The vacuum cleaner of this isolating construction; Its separative efficiency is not high, can't really realize the effect of cyclonic separation suction lossless (being that dust catcher suction does not descend).Chinese patent ZL01807570.3 discloses a kind of being used for from the equipment of fluid stream separating particles; This equipment middle and upper reaches cyclone separator adopts to a cyclone separator; Downstream second stage is separated the cyclone separating structure that adopts a plurality of cyclone separators; Its a plurality of second level cyclone separator is inserted into first order cyclone separator at least in part; This strick precaution has solved the space problem of vacuum cleaner cyclone bucket on short transverse, but because second level cyclone separator is inserted into and can has influence on entire equipment in the first order cyclone separator in diametric dimensional problem, influences the space layout of dust catcher.Chinese patent ZL200610139423.7 also discloses a kind of downstream second stage and has separated the vacuum cleaner cyclone separating barrel that adopts a plurality of cyclonic separation awls; Its second level cyclonic separation awl is being reclined and is being placed first order cyclone separator top; Solved the problem of cyclonic separation bucket equally in short transverse; But on diametric(al), can correspondingly become big, influence the space layout of whole dust catcher.Patent ZL200620073309.4; Disclose a kind of downstream second stage and separated the vacuum cleaner cyclone separating barrel that adopts a plurality of cyclonic separation awls; Its second level cyclonic separation awl places first order cyclone separator top fully side by side; Its opening faces barrel structure of dust arrest, and the diametric spatial margin of this structure possibility is bigger, but it is bigger to take up space in short transverse.As shown in Figure 1, be the separator body of the inverted cone shape that internal diameter diminishes from top to down gradually, promptly the cyclonic separation chamber is big up and small down shape; In the bottom more in cyclonic separation chamber, dust concentration was high more when 1. dust-contained airflow moved downward, the bottom more in cyclonic separation chamber; Radial distance is short more, and radial air flow 2. Shaoxing opera is strong, causes particle little; 5. the dust that centrifugal force is little produces reentrainment, influences separative efficiency; And the closer to the bottom in cyclonic separation chamber; Dust concentration is high more, and dust is 5. easier in the process of rotation to rebound on the inwall of separator body, because up big and down small inverted cone shape structure; Bounce-back dust direction 6. is along the exhaust outlet direction; 3. taken out of by ascending air more easily, cause dust to produce reentrainment, influence separative efficiency.In addition, the exhaust outlet in the cyclone separator of said structure and the center line of ash port are located along the same line, after 4. dust discharges from ash port; Do not have rapidly (in fact away from the gas field of cyclone separator; In cyclone separator, have the air-flow diffraction phenomena in the ash port lower end), part is taken back; Get into downstream, influence separative efficiency.
Summary of the invention
to the problems referred to above, the purpose of this invention is to provide a kind of can both improved vacuum cleaner on space structure and gas-solid separating property.
are in order to realize the foregoing invention purpose; The present invention adopts following technical scheme: a kind of vacuum cleaner; Downstream cyclone separator with upper reaches cyclone separator and the cyclone separator that comprises a plurality of settings that are in parallel; Described downstream cyclone separator is positioned at the top of described upper reaches separator; Each described cyclone separator comprises the separator body; The inside of described separator body has can make the air-flow that the is entrained with dust cyclonic separation chamber in the inside rotation; Described separator body be provided be used for the air-flow that is entrained with dust be introduced into the inlet in described cyclonic separation chamber, the exhaust outlet of after dust is by cyclonic separation, air-flow being discharged from described cyclonic separation chamber and the ash port of after dust is by cyclonic separation, dust being discharged from described cyclonic separation chamber; Described inlet, exhaust outlet, ash port all with the internal communication in described cyclonic separation chamber, described cyclonic separation chamber comprises cyclonic separation chamber, top and cyclonic separation chamber, bottom, cyclonic separation chamber, described top and the handing-over of cyclonic separation chamber, described bottom; Described ash port is positioned at the bottom in cyclonic separation chamber, described bottom; Described exhaust outlet is positioned at the upper end in cyclonic separation chamber, described top, and the air-flow that is entrained with dust passes through described inlet, cyclonic separation chamber, top, cyclonic separation chamber, bottom successively, and air-flow rotates, in cyclonic separation chamber, described bottom, rotates around second axis around first axle in cyclonic separation chamber, described top; Described first axle is a straight line, and described second axis and described first axle are positioned on the same plane and both intersect at a point.
In technique scheme, described second axis is preferably a straight line or broken line or curve.
In technique scheme, preferably, the tangent line of the described first axle and second axis or second axis is in the intersection greater than 90 less than 180 ° angle.Wherein, the tangent line of the described first axle and second axis or second axis is in the intersection greater than 130 ° of angles less than 160 °.
In technique scheme, preferably, described second axis passes the plane at the end face place of described ash port, and the plane at the end face place of described second axis and described ash port is 10 ° to 90 ° angle in the intersection.
In technique scheme, preferably, the chamber wall in the chamber wall in cyclonic separation chamber, described top and cyclonic separation chamber, described bottom is in junction smooth transition mutually.
In the technique scheme, preferably, cyclonic separation chamber, top is the truncated cone-shaped that internal diameter diminishes from top to down gradually
In technique scheme; Preferably; The bottom of described vacuum cleaner has the downstream Dust Storage Room; Described downstream cyclone separator is provided with the grey passage of leading that is used for the dust of its separation is imported to described downstream Dust Storage Room, and the ash port of each described cyclone separator is all led grey passage and is connected with described.Further preferred, describedly lead the periphery that grey passage is positioned at described upper reaches cyclone separator, the ash port of each bottom, cyclonic separation chamber, described bottom is provided with toward the outer side; Perhaps, describedly lead the inboard that grey passage is positioned at described upper reaches cyclone separator, the ash port of each bottom, cyclonic separation chamber, described bottom is provided with towards the inboard.
In technique scheme, preferably, a plurality of described cyclone separators are arranged along a circumferencial direction, are 0 ~ 180 ° angle between the center line at this circumference place and the first axle in cyclonic separation chamber, described top.
In technique scheme, preferably, a plurality of described cyclone separators are positioned at the top of described upper reaches cyclone separator fully.
Set forth the operation principle of the cyclone separator in the above-mentioned downstream cyclone separator below : as shown in Figure 6; When the dust-contained airflow I moves downward in the more bottom in cyclonic separation chamber; Dust concentration is high more, the bottom more in cyclonic separation chamber, and radial distance is short more; Radial air flow II Shaoxing opera is strong; The dust V rebounds on the inwall of separator body in the process of rotation easilier, because cyclonic separation chamber, bottom is with respect to cyclonic separation chamber, a top side " bending " mutually, the direction of the dust VI that rebounds will be along the ash port direction; Make its easily from ash port along with the dust IV is discharged from ash port together, and the ascending air III also will upwards be discharged from exhaust outlet.
the present invention compared with prior art; Has following advantage: because second axis in the cyclonic separation chamber, bottom of cyclone separator bends with respect to the first axle in cyclonic separation chamber, top or bends; Because the first axle and second axes intersect; Discharge pipe direction and ash discharging hole direction have a certain degree like this, and dust is through after separating, and change direction with the bending in cyclonic separation chamber, bottom; Away from ascending air field from the exhaust outlet discharge after gas solid separation, cyclonic separation chamber, thereby reduce dust air-flow reentrainment; In addition; Because " bending " takes place in cyclonic separation chamber, bottom; Cyclone separator highly is reduced on axial direction, simultaneously because second axes intersect in first axle, has been abdicated the space in cyclonic separation chamber, bottom so greatly; The space is provided on height and diametric(al), for like this layout of vacuum cleaner, compact more on the overall structure.
Description of drawings
Accompanying drawing 1 is the fundamental diagram of the conical cyclone separator in the background technology;
Accompanying drawing 2 is looked cross-sectional schematic for the master of vacuum cleaner of the present invention;
Accompanying drawing 3 is the structural representation of cyclone separator of the present invention;
Accompanying drawing 4 is the another kind of structural representation of cyclone separator of the present invention;
Accompanying drawing 5 is the third structural representation of cyclone separator of the present invention;
Accompanying drawing 6 is the fundamental diagram of cyclone separator of the present invention;
In accompanying drawing, 100, vacuum cleaner; 1, upper reaches cyclone separator; 11, whirlwind bucket; 12, cyclone chamber; 13, mesh filter mantle; 14, upper reaches Dust Storage Room; 15, outlet passageway; 2, downstream cyclone separator; 20, cyclone separator; 21, separator body; 22, cyclonic separation chamber; 221, top cyclonic separation chamber; 222, bottom cyclonic separation chamber; 223, first axle; 224, second axis; 23, inlet; 24, ash port; 25, exhaust outlet; 26, lead gray columns; 27, lead grey passage; 28, downstream Dust Storage Room; 29, center line; 3, filter; 4, loam cake; 5, bottom; 6, handle; 7, total gas outlet.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is made further detailed description below in conjunction with accompanying drawing:
vacuum cleaner 100 shown in accompanying drawing 2, it belongs to the dust catcher of two stage cyclone isolating construction, is provided with upper reaches cyclone separator 1, downstream cyclone separator 2 and filter 3 along the air current flow direction.The upper and lower end of dust catcher is provided with loam cake 4 and bottom 5 respectively, also is provided with on the loam cake 4 to be used for the handle 6 that the user mentions whole dust catcher.
upper reaches cyclone separator 1 comprises a columned whirlwind bucket 11, and the inner chamber of whirlwind bucket 11 constitutes the cyclone chamber 12 at the upper reaches.Cyclone chamber 12 set inside have mesh filter mantle 13, and the lower bottom part of cyclone chamber 12 constitutes upper reaches Dust Storage Room 14, but the below that is installed in upper reaches Dust Storage Room 14 of bottom 5 foldings.Whirlwind bucket 11 also should be provided with the air inlet (not shown) that supplies dust-contained airflow to get into cyclone chamber 12,12 outlet passageways 15 of the discharging when inboard of mesh filter mantle 13 has air-flow from whirlwind.Dust-contained airflow at first is rotated in air inlet gets into cyclone chamber 12, and dust falls in the upper reaches Dust Storage Room 14 of bottom, through air-flow after the initial gross separation, that contain fine particle from the mesh of mesh filter mantle 13 through after, discharge by outlet passageway 15.
downstream cyclone separator 2 comprises the cyclone separator 20 that a plurality of parallel connections are provided with; A plurality of cyclone separators 20 all are positioned at the top of upper reaches cyclone separator 1; They are arranged along a circumference; And it is parallel between the center line 29 at this circumference place and the first axle 223 in cyclonic separation chamber, top; Also can be between the two in fact greater than the angle of 0 degree less than 180 degree, be about to cyclone separator 21 and tilt or the recumbency setting, this set can further reduce the height of whole dust catcher.
cyclone separator 20 as shown in Figure 3; It comprises separator body 21; The inside of separator body 21 has can make the air-flow that the is entrained with dust cyclonic separation chamber 22 in the inside rotation; Separator body 21 be provided be used for the air-flow that is entrained with dust be introduced into the inlet 23 in cyclonic separation chamber, the exhaust outlet 25 of after dust is by cyclonic separation, air-flow being discharged from described cyclonic separation chamber and after dust is by cyclonic separation with dust from the cyclonic separation chamber 22 ash ports 24 of discharging, inlet 23, exhaust outlet 25, ash port 24 all with the internal communication in cyclonic separation chamber 22.Among this embodiment; Cyclonic separation chamber 22 comprises cyclonic separation chamber, top 221 and cyclonic separation chamber, bottom 222; Cyclonic separation chamber, top 221 is the truncated cone-shaped that internal diameter diminishes from top to down gradually; Cyclonic separation chamber, top 221 and 222 both handing-over of cyclonic separation chamber, bottom, and the two chamber wall in the phase junction smooth transition.Exhaust outlet 25 is positioned at the upper end in cyclonic separation chamber, top 221; Ash port 24 is positioned at the bottom in cyclonic separation chamber, bottom 222; Air-flow rotates, in cyclonic separation chamber, bottom 222, rotates around second axis 224 around first axle 223 in cyclonic separation chamber, top 221; First axle 222 is a straight line, and second axis 224 and first axle 224 are positioned on the same plane and both intersect at a point.Among this embodiment; Second axis can be line or broken line or curve always, and the tangent line of first axle 223 and second axis 224 or second axis 224 is in the intersection greater than 90 less than 180 ° angle a, among the embodiment; Second axis 224 is a straight line; The angle a of the first axle 223 and second axis 224 is 135 °, and second axis 224 passes the plane at the end face place of ash port 24, and the angle b of plane in the intersection at the end face place of second axis 224 and ash port 24 is 80 °.The cyclone separator 20 of this structure roughly is " J " shape, can be referred to as J type cyclone separator.
The air-flow that contains the fine particle dust that overflow from outlet passageway 15 is after getting into the downstream cyclone separator; Successively through inlet 23, cyclonic separation chamber, top 221, cyclonic separation chamber, bottom 222; Clean gas after separated dust falls, separates from ash port 24 is discharged from exhaust outlet 25, and then the filter 3 through downstream further filters the back outside the 7 eliminating bodies of total gas outlet.Filter 3 can be selected conventional extra large handkerchief filter for use.The bottom of vacuum cleaner has downstream Dust Storage Room 28; The central part of whirlwind bucket 11 is led gray columns 26 with downstream cyclone separator 2 separated dust from the hollow that ash port 24 is poured into the downstream Dust Storage Room 28 of dust catcher bottom along being axially arranged with one; Lead gray columns 26 inner formation and lead grey passage 27; Downstream Dust Storage Room 28 be positioned at lead grey passage 27 under, the ash port 24 of each cyclone separator 21 all with lead grey passage 27 and be connected.Among this embodiment, owing to lead the inboard that gray columns 26 is arranged on whirlwind bucket 11, therefore be convenient to the ash that falls of ash port 24, the ash port 24 of each 222 bottoms, cyclonic separation chamber, bottom is provided with towards the inboard.If the position that is provided with of gray columns 26 is led in conversion once, it is arranged on the periphery of whirlwind bucket 11, then the ash port of each cyclonic separation chamber, bottom lower bottom part is set to good toward the outer side.In the course of work of cyclone separator 21, when dust behind the cyclonic separation chamber, 23 entering top 221 that enters the mouth, produce swirling motion at separated space; In the outside of eddy flow (outer vortex), the motion of downward 222 places, cyclonic separation chamber, bottom of gas, and move upward in the center (interior vortex); Meanwhile; Also there is one in gas by the radial motion of interior vortex to outer vortex, is separated to the dust of chamber wall, is taken to ash port 24 by the air-flow of perimeter.Because " bending " structure in cyclonic separation chamber, bottom 222; Make exhaust outlet 25 directions and ash port 24 directions not point-blank, dust utilizes centrifugal force to change direction with " bending " in cyclonic separation chamber, bottom 222 through after separating like this; Interior vortex and radial flow away from air-flow; Reduce air-flow and carry secretly, reduced the height and the space of cyclone separator 21 simultaneously, when design, can obtain compact structure more during cyclone separator.
are as shown in Figure 4, and this cyclone separator 20 ' is identical substantially with the structure of the cyclone separator 20 shown in the accompanying drawing 3, and difference is that second axis 224 ' is a broken line.The first axle 223 ' in this cyclone separator 20 ' and second axis 224 ' also are 135 ° angle a ' in the intersection; Second axis 224 ' passes the plane at the end face place of ash port 24 ', and the angle b ' of plane in the intersection at the end face place of second axis 224 ' and ash port 24 ' also is 80 °.
are as shown in Figure 5; The cyclone separator 20 of this embodiment " in; second axis 224 " also be a broken line; First axle 223 " with second axis 224 " also be 135 ° angle a in the intersection ", second axis 224 " pass ash port 24 " the plane at end face place, and second axis 224 " with ash port 24 " the plane at end face place at the angle b of intersection " be 57 °.
are above has done detailed description to the present invention; Its purpose is to let the personage that is familiar with this art can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences of doing according to spirit of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (12)

1. vacuum cleaner; Downstream cyclone separator with upper reaches cyclone separator and the cyclone separator that comprises a plurality of settings that are in parallel; Described downstream cyclone separator is positioned at the top of described upper reaches separator; Each described cyclone separator comprises the separator body; The inside of described separator body has can make the air-flow that the is entrained with dust cyclonic separation chamber in the inside rotation; Described separator body be provided be used for the air-flow that is entrained with dust be introduced into the inlet in described cyclonic separation chamber, the exhaust outlet of after dust is by cyclonic separation, air-flow being discharged from described cyclonic separation chamber and the ash port of after dust is by cyclonic separation, dust being discharged from described cyclonic separation chamber; Described inlet, exhaust outlet, ash port all with the internal communication in described cyclonic separation chamber; It is characterized in that: described cyclonic separation chamber comprises cyclonic separation chamber, top and cyclonic separation chamber, bottom; Cyclonic separation chamber, described top and the handing-over of cyclonic separation chamber, described bottom, described ash port is positioned at the bottom in cyclonic separation chamber, described bottom, and described exhaust outlet is positioned at the upper end in cyclonic separation chamber, described top; The air-flow that is entrained with dust passes through described inlet, cyclonic separation chamber, top, cyclonic separation chamber, bottom successively; Air-flow in cyclonic separation chamber, described top around first axle rotation, in cyclonic separation chamber, described bottom around the rotation of second axis, described first axle is a straight line, described second axis and described first axle are positioned on the same plane and both intersect at a point.
2. vacuum cleaner according to claim 1 is characterized in that: described second axis is a straight line or broken line or curve.
3. vacuum cleaner according to claim 1 is characterized in that: the tangent line of the described first axle and second axis or second axis is in the intersection greater than 90 less than 180 ° angle.
4. vacuum cleaner according to claim 3 is characterized in that: the tangent line of the described first axle and second axis or second axis is in the intersection greater than 130 ° of angles less than 160 °.
5. vacuum cleaner according to claim 1; It is characterized in that: described second axis passes the plane at the end face place of described ash port, and the plane at the end face place of described second axis and described ash port is 10 ° to 90 ° angle in the intersection.
6. vacuum cleaner according to claim 1 is characterized in that: the chamber wall in the chamber wall in cyclonic separation chamber, described top and cyclonic separation chamber, described bottom is in junction smooth transition mutually.
7. vacuum cleaner according to claim 1 is characterized in that: cyclonic separation chamber, described top is the truncated cone-shaped that internal diameter diminishes from top to down gradually.
8. vacuum cleaner according to claim 1; It is characterized in that: the bottom of described vacuum cleaner has the downstream Dust Storage Room; Described downstream cyclone separator is provided with the grey passage of leading that is used for the dust of its separation is imported to described downstream Dust Storage Room, and the ash port of each described cyclone separator is all led grey passage and is connected with described.
9. vacuum cleaner according to claim 8 is characterized in that: describedly lead the periphery that grey passage is positioned at described upper reaches cyclone separator, the ash port of each bottom, cyclonic separation chamber, described bottom is provided with toward the outer side.
10. vacuum cleaner according to claim 8 is characterized in that: describedly lead the inboard that grey passage is positioned at described upper reaches cyclone separator, the ash port of each bottom, cyclonic separation chamber, described bottom is provided with towards the inboard.
11. vacuum cleaner according to claim 1 is characterized in that: a plurality of described cyclone separators are arranged along a circumferencial direction, are 0 ~ 180 ° angle between the center line at this circumference place and the first axle in cyclonic separation chamber, described top.
12. vacuum cleaner according to claim 1 is characterized in that: a plurality of described cyclone separators are positioned at the top of described upper reaches cyclone separator fully.
CN201210022253XA 2012-02-01 2012-02-01 Vacuum cleaner Pending CN102525349A (en)

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Application Number Priority Date Filing Date Title
CN201210022253XA CN102525349A (en) 2012-02-01 2012-02-01 Vacuum cleaner

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106859485A (en) * 2015-09-17 2017-06-20 戴森技术有限公司 Vacuum cleaner
CN108324177A (en) * 2018-03-13 2018-07-27 航宇智创科技(北京)有限公司 A kind of vacuum cleaner detached using tornadotron
CN110432825A (en) * 2018-05-03 2019-11-12 航宇智创科技(北京)有限公司 A kind of vacuum cleaner separated using tornadotron
CN114985126A (en) * 2022-03-15 2022-09-02 苏州克林威尔电器有限公司 Novel cyclone dust separation structure

Citations (7)

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Publication number Priority date Publication date Assignee Title
DE1058470B (en) * 1956-01-07 1959-06-04 Dorr Oliver Inc Multiple hydrocyclone
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CN1927469A (en) * 2006-10-12 2007-03-14 华中师范大学 Gas lower exhaustion type whirlwind air-solid separator
CN101301640A (en) * 2007-05-11 2008-11-12 中国石油化工集团公司 Cyclone separating device and uses thereof
CN201275508Y (en) * 2008-10-17 2009-07-22 天津水泥工业设计研究院有限公司 High-efficient low-resistance type cyclone cartridge
CN101862165A (en) * 2009-04-20 2010-10-20 马吉 Multistage cyclone separation device of dust collector
CN202537407U (en) * 2012-02-01 2012-11-21 江苏美的春花电器股份有限公司 Vacuum cleaner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058470B (en) * 1956-01-07 1959-06-04 Dorr Oliver Inc Multiple hydrocyclone
KR100536506B1 (en) * 2003-09-09 2005-12-14 삼성광주전자 주식회사 A cyclone separating apparatus and vacumm cleaner equipped whth such a device
CN1927469A (en) * 2006-10-12 2007-03-14 华中师范大学 Gas lower exhaustion type whirlwind air-solid separator
CN101301640A (en) * 2007-05-11 2008-11-12 中国石油化工集团公司 Cyclone separating device and uses thereof
CN201275508Y (en) * 2008-10-17 2009-07-22 天津水泥工业设计研究院有限公司 High-efficient low-resistance type cyclone cartridge
CN101862165A (en) * 2009-04-20 2010-10-20 马吉 Multistage cyclone separation device of dust collector
CN202537407U (en) * 2012-02-01 2012-11-21 江苏美的春花电器股份有限公司 Vacuum cleaner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106859485A (en) * 2015-09-17 2017-06-20 戴森技术有限公司 Vacuum cleaner
US10433687B2 (en) 2015-09-17 2019-10-08 Dyson Technology Limited Vacuum cleaner
CN108324177A (en) * 2018-03-13 2018-07-27 航宇智创科技(北京)有限公司 A kind of vacuum cleaner detached using tornadotron
CN110432825A (en) * 2018-05-03 2019-11-12 航宇智创科技(北京)有限公司 A kind of vacuum cleaner separated using tornadotron
CN114985126A (en) * 2022-03-15 2022-09-02 苏州克林威尔电器有限公司 Novel cyclone dust separation structure
CN114985126B (en) * 2022-03-15 2023-12-08 苏州克林威尔电器有限公司 Novel cyclone dust separating structure

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Application publication date: 20120704