CN202198537U - Cyclone separating device and cyclone vacuum cleaner with the cyclone separating device - Google Patents

Cyclone separating device and cyclone vacuum cleaner with the cyclone separating device Download PDF

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Publication number
CN202198537U
CN202198537U CN2011202734251U CN201120273425U CN202198537U CN 202198537 U CN202198537 U CN 202198537U CN 2011202734251 U CN2011202734251 U CN 2011202734251U CN 201120273425 U CN201120273425 U CN 201120273425U CN 202198537 U CN202198537 U CN 202198537U
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CN
China
Prior art keywords
whirlwind barrel
cyclone separator
cyclone
separation unit
cyclonic separation
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Expired - Lifetime
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CN2011202734251U
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Chinese (zh)
Inventor
任怀强
张申典
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Ecovacs Robotics Suzhou Co Ltd
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Priority to CN2011202734251U priority Critical patent/CN202198537U/en
Application granted granted Critical
Publication of CN202198537U publication Critical patent/CN202198537U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model belongs to the field of the household cleaners, and particularly relates to a cyclone separating device and a cyclone vacuum cleaner with the cyclone separating device, wherein the cyclone separating device comprises a first cyclone separating unit and a second cyclone separating unit. An air flow enters into the first cyclone separating unit for the first separation, and then enters into the second cyclone separating unit for the second separation. The second cyclone separating unit is provided with cyclone muffs, and air inlets are arranged on the side walls of the cyclone muffs, wherein one sides of the air inlets is connected with the inner walls of the cyclone barrels, and the other sides are provided with guide ribs. The guide ribs protrude into the internal cavities of the cyclone barrels along the inner walls of the cyclone barrel. The cyclone vacuum cleaner consists of a cleaner body and a suction nozzle, wherein the cyclone separating device is arranged inside the cleaner body. The cyclone separating device and the cyclone vacuum cleaner with the cyclone separating device have small volume and high filtering efficiency.

Description

Cyclone separator and the rotoclone collector of this device is housed
Technical field
The utility model belongs to household cleaning device field, specifically, relates to a kind of cyclone separator and the rotoclone collector of this device is housed.
Background technology
Rotoclone collector generally adopts cyclone separator that the dust in the air-flow is separated.In order to improve constantly the separative efficiency of cyclone separator, can adopt following two kinds of prior art means: one, the cyclone separator air inlet adopts tangent air inlet; Two, adopt multistage cyclone.Tangent air inlet helps air-flow and on the inwall of cyclone separator urceolus, does centrifugal motion, quickens the separation of dust; When adopting multistage cyclone, the separable big dust particle of one-level whirlwind, secondary separate small particles dust.
As shown in Figure 1; Germany publication DE202006017010U1 discloses a kind of secondary rotoclone collector; Its downstream cyclone separator adopts a plurality of cyclone separators to compose in parallel; Each cyclone separator all adopts the air inlet 15 of tangential, and air inlet 15 has both sides, the tangential side 121 that inwall direct and the cyclone separator cylindrical shell is tangent and a guiding side 122.But the air inlet 15 of this cyclone separator cylindrical shell is common tangent air inlet; There is following defective: one, when the width of said guiding side is narrower; Part air-flow in the air inlet 15 is not done centrifugal motion; Be specially the part air-flow that gets into the whirlwind tube along guiding side 122 and have little time to do the tangential circular motion, directly be inhaled into the air outlet that is arranged on cyclone separator cylindrical shell center; Two, the tangential gas flow along air inlet 15 can not move downward along spiral inner wall timely.
In addition; In Fig. 1,, can guarantee that also most of air-flow tangentially gets into Whirlwind barrel and does the tangential circular motion along the inwall of Whirlwind barrel if during guiding side 122 wider width of air inlet 15; Promptly when guiding side 122 broads; No matter be convexly equipped with or outside extension in the Whirlwind barrel inboard, all can play the effect of tangential guiding air intake, the separating effect of cyclone separator is also better.But, must cause the cross-sectional diameter of conical shell 9,10,11 to reduce, thereby cause to be provided with on the connecting plate 14 the bigger conical shell of a plurality of cross-sectional areas along with the width of guiding side 122 increases.If a plurality of conical shells are set, must cause the area of connecting plate 14 to increase, increase the volume of whirlwind bucket, increase the manufacturing cost of dust catcher.
The utility model content
In view of the above problems, the purpose of the utility model is to provide a kind of cyclone separator, and this device volume is less, and filter efficiency is higher.
For solving the problems of the technologies described above, the utility model provides a kind of cyclone separator, and a kind of cyclone separator comprises the first cyclonic separation unit and the second cyclonic separation unit, and this second cyclonic separation unit is positioned at the downstream of the said first cyclonic separation unit; The said second cyclonic separation unit has Whirlwind barrel; This Whirlwind barrel sidewall is provided with air inlet; One side of air inlet is connected with the inwall of Whirlwind barrel, carries out air communication after the gas solid separation from the said first cyclonic separation unit and crosses said air inlet and get into that the inwall along Whirlwind barrel moves as rotation direction behind the said Whirlwind barrel; The opposite side of said air inlet is provided with guiding rib, and said guiding rib is convexly equipped with to the inner chamber of Whirlwind barrel along the inwall of Whirlwind barrel.
For solving the problems of the technologies described above; The utility model also provides a kind of cyclone separator, and this device is the single stage cyclone separator, and this cyclone separator has the cyclonic separation unit; Said cyclonic separation unit has Whirlwind barrel; Said Whirlwind barrel sidewall is provided with air inlet, and a side of air inlet is connected with the inwall of Whirlwind barrel, and dust-contained airflow gets into through said air inlet that the inwall along Whirlwind barrel moves as rotation direction behind the said Whirlwind barrel; The opposite side of said air inlet is provided with guiding rib, and said guiding rib is convexly equipped with to the inner chamber of Whirlwind barrel along the inwall of Whirlwind barrel.
Said guiding rib in two kinds of above-mentioned cyclone separators extends along the top edge of the air inlet lower limb to air inlet, and guiding rib continues to extending below a segment distance along the lower limb of air inlet.Said guiding rib is D along the lower limb of air inlet to the distance that extends below; The height of setting air inlet is h, then 0<D≤1/5h.
Said Whirlwind barrel is a divergent-cone wall, and upper end diameter is greater than lower end diameter.
Preferably, said guiding rib reduces to the distance that the inner chamber of Whirlwind barrel is convexly equipped with from top to bottom gradually, its distance be less than or equal to the Whirlwind barrel respective heights cross-sectional diameter 1/3.
Further, a side of the air inlet that is connected with said Whirlwind barrel inwall of the direction that is convexly equipped with of said guiding rib parallels.
One side of the air inlet that the direction that guiding rib is convexly equipped with is connected with said Whirlwind barrel inwall can form big bell-mouthed shape in earlier little back or first big after small bell-mouthed shape; If what form is first big after small bell-mouthed shape, the airflow filtering effect is also more satisfactory.
Further, the number that the second cyclonic separation unit in first kind of cyclone separator has Whirlwind barrel is 6~12, and Whirlwind barrel is evenly distributed around the central shaft of the said second cyclonic separation unit.
The utility model also provides a kind of rotoclone collector, and this rotoclone collector comprises main body of dust collector and suction nozzle, is provided with above-described cyclone separator in the main body of dust collector.
Compared with prior art, the utility model beneficial effect is: simple in structure, and high efficiency.
Description of drawings
Fig. 1 is the prior art cyclone separator;
Fig. 2 is the utility model cyclonic separation unit embodiment one front view;
Fig. 3 is the utility model cyclonic separation unit embodiment one vertical view;
Fig. 4 is the 3D exploded view of the utility model cyclone separator embodiment one concrete structure;
Fig. 5 is the structural representation of the utility model cyclonic separation embodiment one;
Fig. 6 is the structural representation of the utility model cyclonic separation unit embodiment two;
Fig. 7 is a vertical type rotoclone collector stereogram;
Fig. 8 is the stereogram of the utility model horizontal cyclone dust catcher.
Reference numeral:
9.10.11. cyclone separator cylindrical shell 12. open upper end 13. lower ending openings
14. connecting plate 15. air inlets 121. tangential side 122. guiding sides
16. handle cover plate 17. elastomeric elements 18. dirt bucket handles
19. dirt bucket loam cake 20. dirt bucket loam cake sealing rings 21. taper hole cover plate assemblies
22. taper hole filter 23. mesh filter 231. pores
Connect bucket 26. dust retaining rings 24. connect bucket sealing ring 25.
27. interior dirt bucket sealing ring 28. dirt buckets 281. first air inlets
29. dirt bucket bottom sealing ring 30. dirt bucket bottoms 31. dirt bucket release-pushes
32. separator sealing ring 33. filter pads 34. connect bucket bottom sealing ring
35. air intake screen modules 36. separators 37. connect the bucket seal cover
38,38 '. air-flow 39. filters sponge 40,40 '. guiding rib
41,41 '. Whirlwind barrel 411,411 '. air inlet
411a, 411a '. a side 411b of air inlet, 411b '. the opposite side of air inlet
411c, 411c '. the top edge 411d of air inlet, 411d '. the lower limb of air inlet
412,411d '. inwall 130,230. suction nozzles of Whirlwind barrel
100. vertical type rotoclone collector 200. horizontal cyclone dust catchers
101,201. main body of dust collector, 102,202. cyclone separators
The specific embodiment
Below in conjunction with accompanying drawing cyclone separator and rotoclone collector are at length explained.
Embodiment one
Shown in Fig. 2-3; The utility model cyclone separator comprises the first cyclonic separation unit and the second cyclonic separation unit; Air-flow gets into the first cyclonic separation unit and carries out the separation first time, and the air-flow 38 after separating for the first time gets into the second cyclonic separation unit and carries out the separation second time; The said second cyclonic separation unit has Whirlwind barrel 41, and the sidewall of Whirlwind barrel is provided with air intake 411, and a side 411a of air inlet is connected with the inwall 412 of Whirlwind barrel.It is emphasized that above-mentioned being connected is meant that the inwall of a side 411a and Whirlwind barrel of air inlet is tangent or tangent basically, make the air-flow that gets into Whirlwind barrel to move as rotation direction along the inwall of Whirlwind barrel 412.One side of air inlet and inwall is tangent or when tangent basically, the angle of the radially radius of a side of this air inlet and the Whirlwind barrel of connection is 70 °~120 °.
The opposite side 411b of the air intake 411 of Whirlwind barrel 41 is provided with guiding rib 40, and this guiding rib 40 is convexly equipped with to the inner chamber of Whirlwind barrel along the inwall 412 of Whirlwind barrel.Preferably, guiding rib 40 is convexly equipped with to the direction that a side that is connected with the inwall of Whirlwind barrel parallels along the inwall 412 of Whirlwind barrel.The benefit that guiding rib 40 is set like this is: because this guiding rib 40 is convexly equipped with a segment distance along Whirlwind barrel inwall 412 to the inner chamber of whirlwind tube; Thereby the air-flow that gets into air intake 411 also can move in a circle near a side of guiding rib 40; Can directly be drawn into the air outlet of Whirlwind barrel center very soon, can be made that basically the air-flow of Whirlwind barrel all moves in a circle; Because the barrier effect of guiding rib 40, can make the air-flow that moves in a circle along Whirlwind barrel inwall 412 inwalls rapidly under the screw; Because the barrier effect of guiding rib 40, the dust in the air-flow is run into guiding rib 40, because unexpected stall, dust directly falls along guiding rib 40.Therefore, the effect of guiding rib 40 have following some: the standard guidance air-flow, promptly the air-flow near guiding rib 40 also can move in a circle, and can directly be drawn into the air outlet of Whirlwind barrel center very soon; The air-flow that makes circular motion is rapidly under the screw; The dust of running into guiding rib 40 directly falls.
Because guiding rib 40 is arranged on the inboard of Whirlwind barrel inwall 412; Also promptly be arranged on the inner chamber of Whirlwind barrel; Need not the extra guiding side of widening that is provided with at air inlet place, the outside of Whirlwind barrel inwall; Can greatly reduce the cross-sectional area of secondary cyclonic separation unit, thus the volume of bigger minimizing whirlwind staving, the manufacturing cost of reduction dust catcher.
Further, guiding rib 40 is extended by the top edge of air inlet 411 lower limb to air inlet, and guiding rib 40 along the lower limb of air inlet 411 again to extending below the segment distance, this distance is less than or equal to 1/5 of air inlet height.
Further; Guiding rib 40 reduces to the distance that the inner chamber of Whirlwind barrel 41 is convexly equipped with from top to bottom gradually; Guiding rib 40 is unsuitable long to the distance that the central shaft of Whirlwind barrel 41 is convexly equipped with, and its distance is less than or equal to 1/3 of Whirlwind barrel 41 respective heights cross-sectional diameters.
The number that the second cyclonic separation unit has Whirlwind barrel 41 is 6~12, and Whirlwind barrel 41 is evenly distributed around the central shaft of the second cyclonic separation unit.
Further specify the structure and the course of work of cyclone separator below in conjunction with accompanying drawing.
Shown in Fig. 4-5, the utility model cyclone separator comprises that first cyclone unit and second revolves the cyclonic separation unit.First cyclone unit comprises dirt bucket 28 and mesh filter 23.Dirt bucket 28 is provided with first air inlet 281, and this dirt bucket 28 is used to carry out the gas solid separation between the fouls such as gas and particle, and its bottom is used to collect foul; Mesh filter 23 is provided with pore 231, a plurality of through holes that this pore 231 is provided with for mesh filter 23.The second cyclonic separation unit is positioned at the downstream of the first cyclonic separation unit; The second cyclonic separation unit comprises separator 36 and is connected bucket 25; Separator 3 comprises a plurality of Whirlwind barrels 41, Whirlwind barrel 41 upper and lower end openings, and the below of separator 36 is provided with and connects bucket seal cover 37; Offer circular hole on the connection bucket seal cover 37, the quantity that connects circular hole on the bucket seal cover 37 is identical with the quantity of Whirlwind barrel 41.
Circularhole diameter on the connection bucket seal cover 37 is more than or equal to Whirlwind barrel 41 lower end diameter, less than Whirlwind barrel 41 upper end diameter; The circular hole of Whirlwind barrel 41 through connecting bucket seal cover 37 with is connected bucket 25 and is connected, connect barrel seal cover 37 and be connected barrels 25 and be tightly connected.
The air-flow 38 of foul such as entrained dirt, particle gets into dirt bucket 28 along first air inlet 281 on the dirt bucket 28, and air-flow rotates in dirt bucket 28, carries out the gas solid separation first time, utilizes centrifugal force that bulky grain foul and part dust are separated from air-flow.Further, the dust retaining ring 26 that mesh filter 23 is provided with can effectively prevent the secondary dust, and the foul after the gas solid separation falls into the bottom of dirt bucket 28.For ensureing the separative efficiency of cyclone separator, cyclone separator is provided with different sealing rings at diverse location, such as: be arranged on the dirt bucket bottom sealing ring 29 between dirt bucket 28 and the dirt bucket bottom 30, its leakage ash that effectively prevents to lose heart; Be arranged on the interior dirt bucket sealing ring 27 between dirt bucket 28 and the mesh filter 23, it prevents that effectively the air-flow that is arranged in dirt bucket 28 from directly getting into separator 36 without the pore on the mesh filter 231.The air-flow 38 of gas solid separation moves upward along the outer wall that connects bucket 25 through the pore 231 on the mesh filter for the first time, gets into the second cyclonic separation unit.
The inwall of air-flow 38 through mesh filter 23 moves upward with slit between the outer wall that is connected bucket 25; Arrive the port place that connects bucket 25; Move upward along the slit between the inwall of the inwall of the outer wall of separator 36, taper hole lid and mesh filter 23 again; Air inlet 411 from Whirlwind barrel 41 directly gets in the Whirlwind barrel 41; Air-flow utilizes the separation of centrifugal force, and isolated foul falls into through Whirlwind barrel 41 lower ending openings and connects bucket 25, and the air communication of the process gas solid separation second time is crossed the open upper end of Whirlwind barrel 41 and discharged.The separator sealing ring 32 that is positioned on the separator 36 seals the upper end of separator 36 and taper hole lid, has effectively to prevent the effect of losing heart.Filter pad 33 is used to filter the air-flow through after Whirlwind barrel 41 separation for the second time between taper hole lid and dirt bucket loam cake 19, further filters the fine dust that is mingled with, and guarantees that it is clean discharging air-flow.Dirt bucket loam cake sealing ring 20 is arranged between dirt bucket loam cake 19 and the taper hole lid and seals, and effectively prevents the effect of losing heart.Dirt bucket loam cake 19 is provided with operation dirt bucket release-push 31 and elastomeric element 17, and operation dirt bucket release-push 31 can take out and lay dirt bucket 28 from cyclone separator easily; Elastomeric element 17 guarantees to reset after 31 operations of dirt bucket release-push are accomplished.
Embodiment two
Embodiment two is with the difference of embodiment one: the air-flow in the cyclone separator only separates once, and the structure of cyclone separator is simple relatively.
As shown in Figure 6, in the present embodiment, cyclone separator is the single stage cyclone separator; This cyclone separator has the cyclonic separation unit; Said cyclonic separation unit has Whirlwind barrel 41 ', and said Whirlwind barrel 41 ' sidewall is provided with air inlet 411 ', and a side 411a ' of said air inlet 411 ' is connected with the inwall 412 ' of Whirlwind barrel; The air-flow 38 ' of dust-laden is done the rotation direction motion along the inwall 412 ' of Whirlwind barrel after getting into said Whirlwind barrel 41 ' through said air inlet 411 '.Opposite side 411b ' at air inlet 411 ' is provided with guiding rib 40 ', and said guiding rib 40 ' is convexly equipped with to the inner chamber of Whirlwind barrel along the inwall 412 ' of Whirlwind barrel.
Need to prove that the separator of the utility model can be one-level, secondary or multistage.When separator when being multistage, the Whirlwind barrel in the upstream and downstream cyclonic separation unit can all be provided with guiding rib, perhaps only in the Whirlwind barrel of the upper reaches or cyclonic separation unit, downstream, guiding rib is set.
Fig. 7 is the utility model vertical type rotoclone collector stereogram; As shown in Figure 7; This vertical type rotoclone collector 100 comprises main body of dust collector 101 and suction nozzle 130, and this main body 101 is provided with electric fan unit (not shown), and the electric fan unit is used to produce suction force as the whirlwind generator.Suction nozzle 130 is connected with main body of dust collector 101, is used for sucking the air that has dust from surface to be cleaned.Vertical type rotoclone collector 100 comprises cyclone separator 102; This cyclone separator 102 is installed on the main body of dust collector 101; It is connected with main body of dust collector 101 and suction nozzle 130, is used to realize gas solid separation, and clean air communication is crossed the outlet of electric fan unit and discharged into the atmosphere.After the dust granule collection was full, the user can take out cyclone separator 102 from main body of dust collector 101, realize grey function.
Fig. 8 is the stereogram of the utility model horizontal cyclone dust catcher; As shown in Figure 8; Horizontal cyclone dust catcher 200 comprises main body of dust collector 201 and suction nozzle 230, and this main body 201 is provided with electric fan unit (not shown), and the electric fan unit is used to produce suction force as the whirlwind generator.Suction nozzle 230 is connected with main body of dust collector 201, is used for sucking dust and air from surface to be cleaned.Said horizontal cyclone dust catcher 200 comprises cyclone separator 202; This cyclone separator 202 is installed on the main body of dust collector 201; It is connected with main body of dust collector 201 and suction nozzle 230, is used to realize gas solid separation, and clean air communication is crossed the outlet of electric fan unit and discharged into the atmosphere.
The utility model protection is not limited to the described concrete structure layout of embodiment cited in the specification specific embodiment.Obviously, in the protection domain of the utility model claims, multiple different modification and textural association can also be arranged.

Claims (9)

1. a cyclone separator comprises the first cyclonic separation unit and the second cyclonic separation unit, and this second cyclonic separation unit is positioned at the downstream of the said first cyclonic separation unit; The said second cyclonic separation unit has Whirlwind barrel (41), and this Whirlwind barrel (41) sidewall is provided with air intake
(411); One side (411a) of air intake (411) is connected with the inwall (412) of Whirlwind barrel, carries out air-flow (38) after the gas solid separation from the said first cyclonic separation unit and gets into said Whirlwind barrel (41) back through said air intake (411) and do the rotation direction motion along the inwall (412) of Whirlwind barrel; It is characterized in that: the opposite side (411b) of said air intake (411) is provided with guiding rib (40), and said guiding rib (40) is convexly equipped with to the inner chamber of Whirlwind barrel (41) along the inwall (412) of Whirlwind barrel.
2. cyclone separator; Be the single stage cyclone separator; This cyclone separator has the cyclonic separation unit, and said cyclonic separation unit has Whirlwind barrel (41 '), and said Whirlwind barrel (41 ') sidewall is provided with air intake (411 '); One side of air intake (411 ') (411a ') be connected with the inwall (412 ') of Whirlwind barrel, the air-flow (38 ') of dust-laden gets into said Whirlwind barrel (41 ') back through said air inlet (411 ') and does the rotation direction motion along the inwall (412 ') of Whirlwind barrel; It is characterized in that: the opposite side of said air intake (411 ') (411b ') guiding rib (40 ') is set, said guiding rib (40 ') is convexly equipped with to the inner chamber of Whirlwind barrel (41 ') along the inwall (412 ') of Whirlwind barrel.
3. according to claim 1 or claim 2 cyclone separator, it is characterized in that: said guiding rib (40) is extended to the air inlet lower limb of (411,411 ') (411d, 411d ') by the air intake top edge of (411,411 ') (411c, 411c ').
4. cyclone separator as claimed in claim 3 is characterized in that: said guiding rib (40,40 ') is D along the air intake lower limb of (411,411 ') (411d, 411d ') to the distance that extends below; The height of setting air intake (411,411 ') is h, then 0<D≤1/5h.
5. according to claim 1 or claim 2 cyclone separator, it is characterized in that: said Whirlwind barrel (41,41 ') is a divergent-cone wall, and upper end diameter is greater than lower end diameter.
6. cyclone separator as claimed in claim 5; It is characterized in that: said guiding rib (40,40 ') reduces to the distance that the inner chamber of Whirlwind barrel (41,41 ') is convexly equipped with from top to bottom gradually; It is apart from 1/3 of the cross-sectional diameter that is less than or equal to Whirlwind barrel (41,41 ') respective heights.
7. according to claim 1 or claim 2 cyclone separator is characterized in that: direction that said guiding rib (40,40 ') is convexly equipped with and said Whirlwind barrel (40; 41 ') inwall (412; One side of the air inlet that 412 ') is connected (411,411 ') (411a, 411a ') parallels.
8. cyclone separator as claimed in claim 1 is characterized in that: the number of said Whirlwind barrel (41) is 6~12, and Whirlwind barrel (41) is evenly distributed around the central shaft of the said second cyclonic separation unit.
9. a rotoclone collector comprises main body of dust collector and suction nozzle, it is characterized in that: be provided with cyclone separator in the main body of dust collector, said cyclone separator is each described cyclone separator of claim 1-8.
CN2011202734251U 2011-07-29 2011-07-29 Cyclone separating device and cyclone vacuum cleaner with the cyclone separating device Expired - Lifetime CN202198537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202734251U CN202198537U (en) 2011-07-29 2011-07-29 Cyclone separating device and cyclone vacuum cleaner with the cyclone separating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202734251U CN202198537U (en) 2011-07-29 2011-07-29 Cyclone separating device and cyclone vacuum cleaner with the cyclone separating device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319043A (en) * 2011-07-29 2012-01-18 泰怡凯电器(苏州)有限公司 Cyclone separation device and cyclone dust collector provided with same
CN106861937A (en) * 2017-04-24 2017-06-20 江苏美的清洁电器股份有限公司 The cyclone separator and dust catcher of dust catcher
CN106955060A (en) * 2017-04-24 2017-07-18 江苏美的清洁电器股份有限公司 The cyclone separator and dust catcher of dust catcher

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319043A (en) * 2011-07-29 2012-01-18 泰怡凯电器(苏州)有限公司 Cyclone separation device and cyclone dust collector provided with same
CN106861937A (en) * 2017-04-24 2017-06-20 江苏美的清洁电器股份有限公司 The cyclone separator and dust catcher of dust catcher
CN106955060A (en) * 2017-04-24 2017-07-18 江苏美的清洁电器股份有限公司 The cyclone separator and dust catcher of dust catcher
CN106861937B (en) * 2017-04-24 2019-03-29 江苏美的清洁电器股份有限公司 The cyclone separator and dust catcher of dust catcher
CN106955060B (en) * 2017-04-24 2019-10-08 江苏美的清洁电器股份有限公司 The cyclone separator and dust catcher of dust catcher

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108

Patentee after: Ecovacs robot Limited by Share Ltd

Address before: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108

Patentee before: Ecovacs Robot Co., Ltd.

Address after: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108

Patentee after: Ecovacs Robot Co., Ltd.

Address before: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108

Patentee before: ECOVACS ELECTRICAL CO., LTD.

Address after: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108

Patentee after: ECOVACS ELECTRICAL CO., LTD.

Address before: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108

Patentee before: Taiyikai Electric Appliance (Suzhou) Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20120425

CX01 Expiry of patent term