CN101108109A - Dust collecting main structure of vacuum cleaner - Google Patents
Dust collecting main structure of vacuum cleaner Download PDFInfo
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- CN101108109A CN101108109A CNA2006100148413A CN200610014841A CN101108109A CN 101108109 A CN101108109 A CN 101108109A CN A2006100148413 A CNA2006100148413 A CN A2006100148413A CN 200610014841 A CN200610014841 A CN 200610014841A CN 101108109 A CN101108109 A CN 101108109A
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Abstract
The invention provides a dust collecting main body structure of vacuum cleaner, which comprises a first dust collecting part collecting foreign bodied through the flow of one time cyclone, a plurality of small cyclone parts positioned in the first dust collecting part, which enables the first dust collecting part flow for two times after flowing with air, a second dust collecting part arranged at outer side of the first dust collecting part, which collects foreign bodies through two times flow of cyclone, a third dust collecting part with part of the air in the first dust collecting part flowed in positioned at outer side of the second dust collecting part and at least one venthole shaped on the periphery of the small cyclone part. The invention has the advantages that: by positioning the dust collecting parts capable of collecting foreign bodies with large volume outside the dust collecting main body, can expand the collecting space; with the availability of separating the foreign bodies with large volume in two structures, the invention can enhance the foreign body separating performance of each dust collecting part; besides, the invention enhances the lamination density of the foreign bodies collected, enlarges the collecting quantity of the foreign body, deduces the period for users to clean the interior and facilitates the utilization for users.
Description
Technical field
The present invention relates to vacuum cleaner, particularly enlarged the space of storage foreign matter, and improved the dust collecting main body structure of the vacuum cleaner of foreign matter dust collecting performance.
Background technology
Usually, vacuum cleaner is that the suction that utilizes motor to produce is forced to suck air outside, and utilizes filter element to collect the foreign matter that sucks with air, cleans the household electrical appliance of indoor environment.
Simultaneously, in the collecting unit of dust of vacuum cleaner, have the porous type filter element of the airborne foreign matter that the filter mechanism that filters out foreign matter comprises that forced filtration is passed through and utilize the centrifugal force of air whirlwind in flowing to collect the cyclone type collecting unit of dust of foreign matter.Recently, need not to change and the collecting unit of dust of the cyclone type that can use is continuously just used widely.
Be included in the foreign matter disengagement chamber and the foreign matter storage chamber that is used to store the isolated foreign matter of described foreign matter compartment of separating out foreign objects when forming cyclonic airflow in the described cyclone type collecting unit of dust.And described foreign matter disengagement chamber is divided into the 1st foreign matter storage chamber that is used for the bigger foreign matter of reservoir volume and is used to store the 2nd foreign matter disengagement chamber of tiny dust.By this structure, isolated foreign matter will continue to be deposited in the inside of foreign matter disengagement chamber in the foreign matter disengagement chamber.
But the foreign matter of collecting in described foreign matter disengagement chamber can hinder flowing of air in not cleaning in time, not only can reduce the dust catching efficiency of dust catcher, but also can influence attractive in appearance.Because it is few but volume is excessive to be deposited in the foreign matter amount of foreign matter storage chamber inside, thereby has the shortcoming that the requirement user need often empty the foreign matter storage chamber in fact.The foreign matter storage chamber that is used for the bigger foreign matter of collected volume need increase the frequency that empties inside.
Summary of the invention
The present invention is in view of the above problems, and its purpose is to provide a kind of space that enlarges the bigger foreign matter of reservoir volume, and improves the dust collecting main body structure of the vacuum cleaner of foreign matter separating property.
Another object of the present invention is to increase the amount of the foreign matter that the foreign matter storage chamber inside of same volume can collect, reduce thus and be used to empty the frequency of foreign matter storage chamber, thereby can improve the dust collecting main body structure of vacuum cleaner of the ease of use of vacuum cleaner.
For the attainment of one's purpose, the technical solution used in the present invention provides a kind of dust collecting main body structure of vacuum cleaner, and wherein: this structure comprises: by the 1st dust collecting part of 1 whirlwind flow collection foreign matter; In the 1st dust collecting part, be provided with a plurality of whirly portion that makes after air flows into that it produces that 2 whirlwind flow; Be arranged on the outside of described the 1st dust collecting part, by the 2nd dust collecting part of 2 whirlwind flow collection foreign matters; Be arranged on the outside of described the 2nd dust collecting part, flow into the 3rd dust collecting part of the airborne portion of air inflow of the 1st dust collecting part; The passage of at least more than one that on the outer peripheral face of described whirly portion, forms.
In the 1st dust collecting part, be provided with the pilot hole that makes the airborne portion of air that flows into described the 1st dust collecting part flow into described the 3rd dust collecting part.
The airborne part air that flows into described the 3rd dust collecting part flows into described whirly portion by described passage.
The downside of described the 3rd dust collecting part is provided with the air tap that the air that will flow into described the 3rd dust collecting part is discharged to the 1st dust collecting part inside.
Described passage be arranged on described air tap around.
On described passage, be provided with the net that filters small dust.
Described net is arranged on the outer peripheral face of described whirly portion or inner peripheral surface or on the position of one of inner peripheral surface of described passage.
Effect of the present invention is by the dust collecting part of can collected volume bigger foreign matter being set in the control of dust external side of main body, can enlarging the foreign matter collection space thus.And the foreign matter that volume is bigger is separated in two structures and carries out, and can improve the foreign matter separating property of each dust collecting part thus.That is, the part in leaked-in air and the foreign matter flows into respectively in two structures, relative thus minimizing the air of each dust collecting part inside and the amount of foreign matter, thereby improved separating property.And, improved the lamination density of collected foreign matter, increased the amount of the foreign matter that can collect, reduce the user and emptied the inner cycle, increased user's convenience.
Description of drawings
Fig. 1 is the stereoscopic figure of vacuum cleaner of the present invention;
Fig. 2 is a stereogram of isolating the state of collecting unit of dust in the fuselage of vacuum cleaner of the present invention;
Fig. 3 is the exploded perspective view of collecting unit of dust of the present invention;
Fig. 4 is the schematic diagram of the internal structure of expression control of dust main body of the present invention;
Fig. 5 is the bottom stereogram of exhaust guide part of the present invention;
Fig. 6 is the cutaway view of collecting unit of dust of the present invention.
Among the figure:
100: fuselage 200: collecting unit of dust
250: control of dust main body 256: pilot hole
257: air tap 258: passage
The specific embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated use of the present invention or course of action.
Below, describe for specific embodiments of the invention in conjunction with the accompanying drawings.But guiding theory of the present invention is not limited to embodiment, and technical staff of the same trade can propose other embodiment easily within identical scope.
Fig. 1 is the stereoscopic figure of vacuum cleaner of the present invention, and Fig. 2 is a stereogram of isolating the state of collecting unit of dust in the fuselage of vacuum cleaner of the present invention.
By Fig. 1 and Fig. 2 as can be known, vacuum cleaner provided by the invention comprises: fuselage 100; Be connected the suction line 50 of the suction side of described fuselage.And, be provided with motor (figure does not show) and collecting unit of dust 200 in the inside of described fuselage 100, after filtering out airborne foreign matter, clean air is passed out to the outside thus.
Described suction line 50 is to utilize the suction suction air of fuselage 100 and the pipeline of foreign matter.And described suction line 50 comprises: utilize strong air draught to suck the suction nozzle 10 of the outside air that comprises foreign matter; Extend from described suction nozzle 10, can adjust the prolongation pipe 20 of length according to user's user mode; Be arranged on the end of described prolongation pipe 20, be convenient to the handle 30 that the user holds.And, be provided with at the front part branch of described handle 30 and be convenient to the operating portion 34 that the user carries out various operations.
Described suction line 50 also comprises: further extend backward at described handle 30, according to the transportable bellows 40 in user's position; The connector 44 that is connected with fuselage in the end of described bellows 40; Be arranged on the assigned position that prolongs pipe 20 or suction nozzle 10, when not using vacuum cleaner, can fix the prolongation pipe hanger hook 60 that prolongs pipe 20.
Described connector 44 carries out user's operation signal of operating portion 34 inputs is passed to the function and the function that makes inhaled air inflow fuselage 100 inside of the splicing ear of described fuselage 100 simultaneously.For this reason, on the end of described connector 44, be provided with a plurality of electrical connection terminals (figure does not show).
Simultaneously, in the described fuselage 100, collecting unit of dust 200 is arranged on the above-below direction.And subsiding on described fuselage 100 has formed the collecting unit of dust resettlement section 130 that is used to accommodate described collecting unit of dust 200.The shape of described case unit resettlement section 130 is corresponding with described collecting unit of dust.
Described collecting unit of dust 200 has the function of separated and collected foreign matter from the foreign matter that flows into by suction line 50.And, discharge to fuselage 100 rears through the passage and the motor of the described fuselage 100 inner regulations that form from the air that described collecting unit of dust 200 is discharged.
Possessed the connecting portion 110 that is used to connect described connector 44 in described fuselage 100 upper front end, possessed the wheel 120 that fuselage 100 can be moved on the ground flexibly in the both sides, rear of described fuselage 100.
Below, be described in detail for the structure of collecting unit of dust 200.
Fig. 3 is the exploded perspective view of collecting unit of dust of the present invention, and Fig. 4 is the schematic diagram of the internal structure of expression control of dust main body of the present invention, and Fig. 5 is the bottom stereogram of exhaust guide part of the present invention.
With reference to Fig. 3 to Fig. 5 as can be known, collecting unit of dust 200 provided by the invention does not use the porous type filter on sea etc., filters foreign matter but utilize whirlwind to flow.And described whirlwind flows and can carry out respectively in two structures that are separated from each other, and can collect airborne tiny dust thus.
Collecting unit of dust 200 provided by the invention comprises: the control of dust main body 250 that filters out foreign matter from the air that comprises foreign matter that sucks; Be used to seal the upper cap 210 on the top of described control of dust main body 250; Be used for optionally sealing the lower cover 230 of the bottom of described control of dust main body 250.
The exhaust guide part 220 of the air after downside being provided with of described upper cap 210 is used to discharge filtration, and on the centre of described control of dust main body 250, be provided with the filter element 290 of 1 filtration from outside inhaled air.
On described control of dust main body 250, be provided with up and down a plurality of walls that extend, comprise: at the inwall 262 of inboard formation; The midfeather 264 that forms in the outside of described inwall 262; The outer wall 266 that forms in the outside of described midfeather 264; Extend the supplementary wall 268 that forms at outer wall 266.
The inner space of the inner space of described inwall 262 and described midfeather 264 has formed the 1st dust collecting part 272; Between described midfeather 264 and outer wall 266, form the 2nd dust collecting part 274, between the established part of described outer wall 266 and described supplementary wall 268, formed the 3rd dust collecting part 276.That is, three dust collecting part 272,274,276 have been formed on the control of dust main body 250 in the embodiments of the invention.
Described the 1st dust collecting part 272 is that by the space of the bigger foreign matter of the mobile collected volume of the 1st whirlwind, the 2nd dust collecting part 274 is to utilize the space of the 2nd whirlwind flow collection fine foreign matters in the described control of dust main body 250 inner whirlwind that produce flow.And the 3rd dust collecting part 276 is the spaces of collecting from the foreign matter of the 1st dust collecting part 272 inflows.The quantity of described dust collecting part and application target can be different according to the form of control of dust main body 250.
On a side of described control of dust main body 250, formed the suction guide structure 252 of introducing air outside.Described suction guide structure 252 is connected with inwall 262, is in the tangential direction of the outer peripheral face of described inwall 262 after running through mutually.Therefore, after the inside that sucks guide structure 252 leaked-in airs inflow control of dust main body 250, the inner peripheral surface rotation along described inwall 262 forms the 1st cyclonic air flow, utilizes this 1st cyclonic air flow to come separating out foreign objects thus.
On relative position, formed the pilot hole 256 that the portion of air that will flow into described the 1st dust collecting part 272 guides to the 3rd dust collecting part 276 with described suction guide structure 252.And described pilot hole 256 runs through and is arranged on described inwall 262, midfeather 264, and on the outer wall 266, make the airborne part air that flows into the 1st dust collecting part 272 flow into the inside of described the 3rd dust collecting part 276.That is, the airborne part air that flows into described suction guide structure 252 flows along described inwall 262, and in the rotation of the inside of the 1st dust collecting part 272, another part air streamlined flow is in the internal flow of the 3rd dust collecting part 276.
The shape of described pilot hole 256 has no particular limits, and preferred employing can make the air that comprises foreign matter flow into the shape of described the 3rd dust collecting part 276 inside glibly.
The air that flows into described the 3rd dust collecting part 276 inside is discharged by air tap 257, and described air tap 257 is arranged on described outer wall 266 and the midfeather 264, and the air that described the 3rd dust collecting part 276 is discharged flows into the inside of described the 1st dust collecting part 272.Here, described air tap 257 can be provided with a plurality of according to the size of the 3rd dust collecting part 276.
Thus, can discharge the air that flows into described the 3rd dust collecting part 276, and can prevent that air and foreign matter adverse current are to described pilot hole 256 by described air tap 257.And described air tap 257 is collected foreign matter successively for the inboard from the 3rd dust collecting part 276, preferably is arranged on the inboard of the 3rd dust collecting part 276.
Described air tap 257 is arranged on the downside of described the 3rd dust collecting part 276, makes the air of discharge flow into the downside of described the 1st dust collecting part 272.Thus, the air-flow of interfering the downside in described the 1st dust collecting part 272 to produce can suppress to be collected in the dispersion of the foreign matter of the 1st dust collecting part 272 inside.
A plurality of passages 258 of the air of discharging described the 3rd dust collecting part 276 of a part have been formed at the upside of described air tap 257.And described passage 258 is not arranged in all whirly portions 280, in order to collect with this in the inside of the 3rd dust collecting part 276, is set in place in the whirly portion 280 of described air tap 257 upsides.Thus, described passage 258 a spot of air of discharging will flow into the inside of described whirly portion 280.That is, in the process of the air of described the 3rd dust collecting part 276 of described inflow by described tap 257 discharges, residue in the inside of the air of upside by the described whirly of described passage 258 inflows portion 280.
Be provided with the net 259 that is used to filter small dust on described passage 258, described net 259 can also be arranged on the inner peripheral surface or outer peripheral face of the inside of described passage 258 or described whirly portion 280.
Utilize described passage 258 to discharge a spot of air, thereby prevented dispersing of foreign matter, make the neat inboard that is deposited in described the 3rd dust collecting part 276 of foreign matter.That is, in identical volume, can collect the more foreign matter of volume.
Can more clearly understand described pilot hole 256 and air tap 257 by Fig. 4.
As mentioned above, by the 3rd dust collecting part 276 of can collected volume bigger foreign matter is set, can enlarge the foreign matter storage area thus.
Foreign matter is collected in respectively in two structures, has improved the foreign matter separating property of each dust collecting part thus.That is, the part in institute's leaked-in air and the foreign matter will flow into the inside of described the 3rd dust collecting part 276, reduce the 1st dust collecting part 272 inner air that exist and the amount of foreign matter thus relatively.Its result can form smooth whirlwind and flow in described the 1st dust collecting part 272.And, owing to can not be subjected to the influence that whirlwind flows in the 3rd dust collecting part 276, therefore reduced dispersing of foreign matter, collect foreign matter from the inboard with this, improved the utilization rate of foreign matter storage space.
Be used to produce the 2nd whirlwind flows a plurality of whirly portion 280 upside being provided with of described control of dust main body 250; Formed inflow entrance 254 on the centre in the air inflow of the 1st dust collecting part 272 internal flows.Combination is provided with the filter element 290 that the 1st dust collecting part 272 leaked-in airs is carried out 1 filtration on described inflow entrance 254.
Described whirly portion 280 comprises: have columnar structured cylindrical portion 282; Extension is arranged on the lower end of described cylindrical portion 282, has the conus portion 284 of conical structure.That is, the diameter of described whirly portion 280 reduces from top to bottom gradually.And, the described cylindrical portion 282 tab-like tops that are formed in described control of dust main body 250, the described conus portion 284 tab-like inboards that are formed in described control of dust main body 250.Here, described conus portion 284 forms one with described midfeather 264.Thus, flowing isolated small dust by described the 2nd whirlwind will flowing down along described midfeather 264 smoothnesses.
Because described midfeather 264 forms one with described conus portion 284, the certain spacing of being separated by on described midfeather 264 has formed the bend 265 with certain curvature.Thus, interfered the air-flow that flows into the generation of the 2nd dust collecting part 274 air, prevented dispersing of foreign matter, guided flowing of foreign matter by described bend 265.
Described filter element 290 is in order to utilize cyclonic air flow separating out foreign objects and form conical structure completely.And, on the outer peripheral face of described filter element 290, formed a plurality of through holes 292.Described through hole 292 suppresses the inflow of the bigger foreign matter of volume, only allows fine foreign matters and air to internal flow.
Upside in described control of dust main body 250 is provided with described exhaust guide part 220.And, on the upper side of described exhaust guide part 220, formed and be used to discharge at a plurality of delivery outlets 222 of the air of whirly portion 280 internal flows and air guided to the output guiding tube 224 of described delivery outlet 222 inside.And, on the outer peripheral face of described exhaust guide part 220, be provided with and be used for a plurality of fixed lobes 226 of combining with described upper cap 210.
Described output guiding tube 224 has columnar structure, the tab-like below that is formed in described delivery outlet 222.And described output guiding tube 224 inserts the inside of the cylindrical portion 282 that is arranged on described whirly portion 280 respectively.Thus, described output guiding tube 224 makes air after the filtration run through described exhaust guide part 220 backs to discharge.
And, combine the open upper cap 210 in lower end that can load and unload at the upside of described exhaust guide part 220.And, the handle 212 that the user is held upside being provided with of described upper cap 210.
Thus, the user states under the state of handle 212 residence of being in one's hands, and can easily described collecting unit of dust 200 be separated from fuselage 100.And, formed at the rear of described upper cap 210 and to have made the delivery outlet (with reference to 214 among Fig. 6) that is discharged to the outside of collecting unit of dust 200 by the air of described collecting unit of dust 200.
Simultaneously, utilize hinge to be provided with the lower cover 230 of the bottom that constitutes described dust collecting part 272,274,276 in the bottom of described control of dust main body 250.And described lower cover 230 is sealed described a plurality of dust collecting part 272,274,276 simultaneously, and can be equipped with the sealing gasket of the foreign matter leakage that prevents dust collecting part 272,274,276 inside.
Below, describe for the effect of the collecting unit of dust 200 of as above composition.
Fig. 6 is the cutaway view of collecting unit of dust of the present invention.With reference to Fig. 6 as can be known, vacuum cleaner 100 connects after the power supply, produces suction by the motor that is arranged on fuselage 100 inside, and the extraneous air that comprises foreign matter will flow into inside by suction nozzle 10.And described inhaled air flows into the inside of collecting unit of dust 200 by described suction guide structure 252.
At first flow into the inside of described the 1st collecting unit of dust 272 by described suction guide structure 252 leaked-in airs.At this moment, the portion of air in institute's leaked-in air produces the 1st cyclonic air flow thus along the inner peripheral surface rotation of described inwall 262.And another part air flows into the inside of the 3rd dust collecting part 276 by described pilot hole 256.
And air carries out whirlwind when flowing in the inside of the 1st dust collecting part 272, and foreign matter will be fallen the below of the 1st dust collecting part 272 after being filtered by described filter element 290.Then, clean air is discharged to upside by the through hole 292 and the inflow entrance 254 of filter element 290.Then, the air that flow into the 3rd dust collecting part 276 is expelled to the inside of described the 1st dust collecting part 272 by described air tap 257.At this moment, the air that flows into described the 3rd dust collecting part 276 is discharged to described the 1st dust collecting part 272 by described air tap 257.At this moment, the airborne portion of air of described the 3rd dust collecting part 276 is by the inside of the described whirly of described passage 258 inflows portion 280.
Thus, foreign matter is collected successively in the inboard of described the 3rd dust collecting part 276, and owing to improved the lamination density of collected foreign matter, thereby can be at the internal gathering of described the 3rd dust collecting part 276 foreign matter of volume more.Here, the air that is discharged to described the 1st dust collecting part 272 by described air tap 257 will disturb the air-flow that the downside in the 1st dust collecting part 272 produces.Its result has suppressed dispersing at the foreign matter of described the 1st dust collecting part 272 inside.
And described the 1st dust collecting part 273 and the 3rd dust collecting part 276 have been collected the bigger foreign matter of volume ratio respectively, have improved the foreign matter separation function of each dust collecting part 272,276 thus.
Then, the fine foreign matters that upwards flows by described inflow entrance 254 will flow into the inside of described whirly portion 280.Then, air and the foreign matter that flows into described whirly portion 280 inside will move with screw type along the inner surface of whirly portion 280 and descend.At this moment, because the diameter of described whirly portion 280 reduces downwards gradually, therefore move and the air that descends and the speed of foreign matter will increase gradually along the inner peripheral surface of described whirly portion 280.
And, when air and foreign matter when the inner peripheral surface of described whirly portion 280 moves and descend, on the centre of described whirly portion 280, will form ascending air.Thus, along the inner peripheral surface of described whirly portion 280 move with screw type and the airborne foreign matter that descends owing to be subjected to the effect of inertia force, will fall the below of whirly portion 280, be stacked into the inside of described the 2nd dust collecting part 274 thus.At this moment, fall the dust of described the 2nd dust collecting part 274 below the guiding of described bend 265 drops to.
Through above-mentioned process, the purification that separates fully with foreign matter air upwards mobile by described output guiding tube 224, flow into the inside of described upper cap 210.
Then, the air that flows into described upper cap 210 inside is discharged backward by delivery outlet 214, and the air that delivery outlet 214 is discharged in described fuselage 100 inside after the path flow of stipulating, be discharged to the outside of fuselage 100.
Claims (7)
1. the dust collecting main body structure of a vacuum cleaner, it is characterized in that: this structure comprises: by the 1st dust collecting part (272) of 1 whirlwind flow collection foreign matter; In the 1st dust collecting part (272), be provided with and make it produce the mobile a plurality of whirly portions (280) of whirlwind 2 times after air flows into; Be arranged on the outside of described the 1st dust collecting part, be arranged on the outside of described the 2nd dust collecting part (274), flow into the 3rd dust collecting part (276) that the airborne portion of air of the 1st dust collecting part flows into by the 2nd dust collecting part (274) of 2 whirlwind flow collection foreign matters; The passage (258) of at least more than one that on the outer peripheral face of described whirly portion (280), forms.
2. the dust collecting main body structure of vacuum cleaner according to claim 1 is characterized in that: be provided with the pilot hole (256) that makes the airborne portion of air that flows into described the 1st dust collecting part (272) flow into described the 3rd dust collecting part (276) in the 1st dust collecting part (272).
3. the dust collecting main body structure of vacuum cleaner according to claim 1 is characterized in that: the airborne part air that flows into described the 3rd dust collecting part (276) flows into described whirly portion (280) by described passage (258).
4. the dust collecting main body structure of vacuum cleaner according to claim 1 is characterized in that: the downside of described the 3rd dust collecting part (276) is provided with the air that will flow into described the 3rd dust collecting part (276) and is discharged to the inner air tap (257) of the 1st dust collecting part (272).
5. according to the dust collecting main body structure of claim 1,4 described vacuum cleaners, it is characterized in that: described passage (258) be arranged on described air tap (257) around.
6. the dust collecting main body structure of vacuum cleaner according to claim 1 is characterized in that: be provided with the net (259) that filters small dust on described passage (258).
7. the dust collecting main body structure of vacuum cleaner according to claim 6 is characterized in that: described net (259) is arranged on the outer peripheral face of described whirly portion (280) or inner peripheral surface or on the position of one of inner peripheral surface of described passage (258).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100148413A CN101108109A (en) | 2006-07-19 | 2006-07-19 | Dust collecting main structure of vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100148413A CN101108109A (en) | 2006-07-19 | 2006-07-19 | Dust collecting main structure of vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101108109A true CN101108109A (en) | 2008-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100148413A Pending CN101108109A (en) | 2006-07-19 | 2006-07-19 | Dust collecting main structure of vacuum cleaner |
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| Country | Link |
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| CN (1) | CN101108109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674644A (en) * | 2019-10-18 | 2021-04-20 | 广东美的白色家电技术创新中心有限公司 | Cyclone separation device and cleaning device |
-
2006
- 2006-07-19 CN CNA2006100148413A patent/CN101108109A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674644A (en) * | 2019-10-18 | 2021-04-20 | 广东美的白色家电技术创新中心有限公司 | Cyclone separation device and cleaning device |
| CN112674644B (en) * | 2019-10-18 | 2023-08-04 | 广东美的白色家电技术创新中心有限公司 | Cyclone separator and cleaning device |
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