CN1203063A - Suction apparatus for vacuum cleaner - Google Patents

Suction apparatus for vacuum cleaner Download PDF

Info

Publication number
CN1203063A
CN1203063A CN98106604A CN98106604A CN1203063A CN 1203063 A CN1203063 A CN 1203063A CN 98106604 A CN98106604 A CN 98106604A CN 98106604 A CN98106604 A CN 98106604A CN 1203063 A CN1203063 A CN 1203063A
Authority
CN
China
Prior art keywords
air
turbine
suction
turbine apparatus
lower cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN98106604A
Other languages
Chinese (zh)
Inventor
宋贞坤
吴长根
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.)
Kwangju Electronics Co Ltd
Original Assignee
Kwangju Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kwangju Electronics Co Ltd filed Critical Kwangju Electronics Co Ltd
Publication of CN1203063A publication Critical patent/CN1203063A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0416—Driving means for the brushes or agitators driven by fluid pressure, e.g. by means of an air turbine
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0444—Gearing or transmission means therefor for conveying motion by endless flexible members, e.g. belts

Landscapes

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

Abstract

The suction device 100 for vacuum electric cleaner is constituted of an upper cover, a lower cover which is combined with the upper cover, a turbine which rotates by the suction force of sucked-in air, a rotating brush which is connected with the turbine with a belt and rotates synchronously with the turbine, and a regulating lever which can regulate the amount of air to be sucked into a connecting pipe. In this case, an installation protuberance of the turbine is integrally formed on both sides of the turbine, and on the lower cover in which the turbine is installed, an air flowing-in hole is provided so that the outside air may flow into the lower cover. And it can increase the suction efficiency, and reduce the generation of noises.

Description

The suction apparatus of vacuum cleaner
The present invention relates to a kind ofly pass through suitable mechanical device moment and suck outside air so that the vacuum cleaner of dust out and/or introduced contaminants, more particularly, relate to a kind of suction apparatus that sucks the vacuum cleaner of dust and/or raising of introduced contaminants efficient and noise reduction.
Usually, this habitual vacuum cleaner comprises a suction apparatus 100 that is used for sucking according to sucking the size of strength for outside air dust and/or introduced contaminants, one is used for dust and/or introduced contaminants suitably are transferred to the dust that the jockey 200 of a suitable dust collect plant and one has such dust collect plant to be used to collect to pass on by jockey 200 and/or the main body 300 of introduced contaminants.
Suction apparatus 100 has two first bogie wheels 110 and a tube connector 120.This first bogie wheel 110 is installed in the both sides of suction apparatus 100, and tube connector 120 is integrally formed in the upside at the rear portion of suction apparatus 100.
Jockey 200 has first and second detachable pipes 210 and 220 that are made of plastics respectively, a control control member 230 and a flexible pipe 240 of linking up of combining with the first and second detachable pipes 210 and 220 ditch earthings with this control control member 230.This first and second detachable pipe 210 and 220 can be combined with the hollow space ditch earthing of pipe 120.Control control member 230 is provided with one and is used for opening (ON) and closing the power switch of (OFF) to vacuum cleaner supply alternating current.In addition, a wind speed control switch can be installed on this control control member 230.
Main body 300 has a flexible pipe receiving opening 310 that is used to admit the end of flexible pipe 240, a dust indicator 320 that is used for showing the quantity of the dust that is collected in dust collect plant and/or introduced contaminants, two second bogie wheels 330 that are installed in its both sides, one is used for easily carrying control member 340 and attaching plug 350 that is used to receive alternating current that goes in main body 300 to the place that needs dedusting.
More particularly, suction apparatus 100 shown in Fig. 2 and 3, comprising: 10, one lower covers of removably combining with loam cake 10 30 of loam cake that have the perforate 11 of a reservation shape in its a certain position.Suction apparatus 100 also comprises: a turbine apparatus 50, turbine apparatus 50 are rotated by the suction by tube connector 120 inhaled airs and a rotary supporting shaft 51 that is formed on its end are arranged; A roll brush 60, this roll brush 60 have an another one rotary supporting shaft 61 that is formed on its end and link to each other with turbine apparatus 50 by a belt 70, and rotate simultaneously with turbine apparatus 50; With an air control lever 80, this air control lever 80 has an air flow control member 81 and a handle 82, and air flow control member 81 is used to control the quantity by tube connector 120 inhaled airs.
Lower cover 30 have one with its first partition component 31 that integrally forms and a second partition member 32.First partition component 31 has a turbine support slot 31a who is used to admit turbine apparatus 50.Second partition member 32 has another one to be used to admit the turbine support slot 32a of turbine apparatus 50 and one to be used to admit the roll brush support slot 32b of the end of roll brush 60.
In addition, lower cover 30 have one that integrally form with it and the 3rd partition component 33 of another one roll brush support slot 33a arranged.Lower cover 30 has an air control lever that is used to admit air control lever 80 to be admitted space 34 and one to be formed between the second and the 3rd partition component 32 and 33 to be used to admit the recess of roll brush 60, so that it is contacted with the place of wanting dedusting.
The end of rotary supporting shaft 51 that belt 70 is used for being formed on the end of turbine apparatus 50 is connected with the respective end portions of the rotary supporting shaft 61 of the end that is formed on roll brush 60.
Air control lever 80 as shown in Figure 4, is to design like this, makes when loam cake 10 and lower cover 30 are combined, and the handle 82 of air control lever 80 can come out by the perforate 11 of loam cake 10.
1-4 describes habitual suction apparatus 100 with reference to the accompanying drawings.
At first, if the user turns on the power switch,, so, place the electric notor (not shown) of main body 300 inside will be with high speed rotating so that alternating current is supplied to main body 300.By the rotatory force of electric notor, extraneous air will be inhaled in the main body 300 by suction apparatus 100 and jockey 200 successively.
At this moment, the turbine apparatus 50 that is arranged in the suction apparatus 100 can rotate with high speed by passing through tube connector 120 inhaled airs, and will rotate simultaneously by the rotatory force and the turbine apparatus 50 of turbine apparatus 50 by the roll brush 60 that belt 70 is connected with turbine apparatus 50.
Therefore, when suction apparatus 100 by the user utilize as shown in Figure 1 control control crank 230 to be carried into to want dedusting local time, dust and/or introduced contaminants will leave by the place of dedusting by roll brush 60 and be inhaled in the main body 300 by tube connector 120 and jockey 200 with inhaled air subsequently.
The dust and/or the introduced contaminants that are inhaled into main body 300 pass through cleaner 8, are collected in then in the dust collect plant in the main body 300.So the dedusting operation of vacuum cleaner just can finish under user's selection.
Simultaneously, the air inhalation power that obtains owing to the rotatory force of electric notor when power switch is opened can be controlled by the wind speed control switch on control control crank 230.Perhaps, the air inhalation power can be regulated by the control of the air shown in Fig. 3 and 4 lever 80.That is to say, if the handle 82 of the air control lever 80 that protrudes from the perforate 11 of loam cake 10 is by to the right or when being moved to the left, the air intake passage in the suction apparatus 100 will be opened or close to the air flow control member 81 that integrally forms with air control lever 80, so can control the quantity by tube connector 120 inhaled airs.
Yet, in above-mentioned habitual suction apparatus 100, because the rotary supporting shaft 51 that forms in the end of turbine apparatus 50 is provided with to such an extent that stride across first partition component 31 and second partition member 32, and turbine apparatus 50 is arranged in the inlet channel of linking up with tube connector 120, so the suction dust of turbine apparatus 50 and/or the efficient of introduced contaminants reduce greatly, and, when needing powerful suction, will produce unnecessary very big noise owing to the vibration of turbine apparatus for dust out and/or introduced contaminants.
That is to say, when turbine apparatus 50 is arranged in the inlet channel of linking up with tube connector 120 and the air flow control member 81 of air control lever 80 when opening fully as shown in Figure 3, most dust and/or introduced contaminants that air inlet perforate 35 by lower cover 30 sucks can move along the direction as the arrow K among Fig. 3, and irrelevant with the position of turbine apparatus 50, be inhaled into by tube connector 120 subsequently.
But when opened air flow control member 81 parts of air control lever 80, most dust that the air inlet perforate 35 by lower cover 30 sucks and/or introduced contaminants can not move along the direction of as shown in Figure 3 arrow K, therefore can not be attracted to tube connector 120.
Therefore, the suction apparatus that the purpose of this invention is to provide a kind of vacuum cleaner, wherein, rotary supporting shaft is integrally formed in the two ends of the turbine apparatus between one first partition component and second partition member, dust and/or introduced contaminants that air inlet perforate by lower cover is sucked turn to tube connector, and irrelevant with the aperture of the air flow control member of air control lever, can suppress the vibration of turbine apparatus effectively and reduce the dedusting noise greatly.
In order to achieve the above object, the suction apparatus of vacuum cleaner of the present invention comprises: a loam cake that has a perforate that forms in its a certain position, a lower cover of combining with this loam cake, rotate and the turbine apparatus that rotary supporting shaft is arranged of inhalation power by extraneous air, one is connected with this turbine apparatus by a belt and rotates and have the roll brush of the other rotary supporting shaft that its place, two ends forms with it simultaneously, control lever with an air that is used to regulate the suction air capacity and an air flow control member and a handle are arranged that stretches out by this perforate, this rotary supporting shaft is integrally formed in the two ends of turbine apparatus;
Preferably, form the air suction inlet cave that described turbine apparatus is set therein at this lower cover place.
From following description in conjunction with the accompanying drawings, then can be to foregoing of the present invention, other purpose, feature and advantage are more very clear.
Fig. 1 is the perspective view of habitual vacuum cleaner;
Fig. 2 is the perspective view that is used to illustrate the program of assembling the suction apparatus of habitually practising vacuum cleaner;
Fig. 3 is the cutaway view that is used to illustrate the suction apparatus of the habitual vacuum cleaner that assembles up fully;
Fig. 4 is the perspective view that the outside situation of suction apparatus as shown in Figure 3 is shown;
Fig. 5 is the perspective view of program of suction apparatus that is used to illustrate the vacuum cleaner of assembling an example of the present invention;
Fig. 6 is the cutaway view that is used to illustrate the suction apparatus of the vacuum cleaner of the present invention that assembles up fully;
Please at first consult perspective view that suction apparatus of the present invention is shown and Fig. 5 and 6 of cutaway view, wherein, have two first bogie wheels 110 that are formed on its end by the suction apparatus of label 100 expressions.Suction apparatus 100 also has a tube connector 120 that can couple together with a jockey (seeing Fig. 1-4) at its rear side.
In addition, suction apparatus 100 comprises: a loam cake 10 and a lower cover 30 of combining with loam cake 10 that has the perforate 11 of the reservation shape that forms in its a certain position.A turbine apparatus 50 that is arranged in the suction apparatus 100 has an integrally formed fixing prominent body 51, and can be rotated by the suction by tube connector 120 inhaled airs.A roll brush 60 that is arranged in the suction apparatus 100 has the fixing prominent body 61 that integrally forms at its two ends, and can rotate simultaneously with turbine apparatus 50.Suction apparatus 100 also has a control lever 80, and this control lever 80 has a division board 81 and a handle 82, is used for control by tube connector 120 inhaled air quantity.
Lower cover 30 have one with its first partition component 31 that integrally forms.This first partition component 31 have one with its groove 31a that is used to admit turbine apparatus 50 that integrally forms.
Lower cover 30 also have one with its second partition member 32 that integrally forms.This second partition member 32 has the roll brush support slot 32b that a turbine apparatus support slot 32a who is used for admitting rotationally turbine apparatus 50 and are used for admitting rotationally an end of roll brush 60.In addition, lower cover comprises the 3rd partition component 33 and one the 4th partition component 37 that integrally forms with its difference.The 3rd partition component 33 has the roll brush support slot 33a that another one is used to admit an other end of roll brush 60.The 4th partition component 37 integrally forms with second partition member 32, and an air inlet perforate 35 is arranged between second partition member 32 and the 3rd partition component 33, so that suction apparatus 100 is contacted with dedusting ground.
Wherein, as shown in Figure 5, rotary supporting shaft 51 integrally forms in two ends of turbine apparatus 50.One of turning cylinder 51 is accommodated among the turbine apparatus support slot 31a that forms at first partition component, 31 places, and an other end of rotary supporting shaft 51 is accommodated among the turbine apparatus support slot 32a that forms at second partition member 32 places, and is connected with roll brush 60 by belt 70.
The air inlet hole 36 that sees also Fig. 5 and 6, one reservation shapes is formed between first partition component 31 and second partition member 32 that are provided with turbine apparatus 50 of lower cover 30, so that introduce extraneous air, increases the rotatory force of turbine apparatus 50 whereby.
Describe the working procedure of suction apparatus of the present invention in detail referring now to accompanying drawing 6.
At first, it is described as above to consult accompanying drawing 1, if the user turns on the power switch the main body 300 of power supply being supplied with vacuum cleaner, the electric notor (not shown) that is arranged in the main body 300 will be with high speed rotating.Therefore, extraneous air will rely on the rotatory force of electric notor to be introduced in the main body 300 by suction apparatus 100 and jockey 200.
At this moment, be arranged on first partition component 31 of lower cover 30 and the turbine apparatus 50 between the second partition member 32, as shown in Figure 6, will be according to the powerful air inhalation power that produces by the rotatory force of electric notor and the extraneous air that sucks by air suction inlet cave 36 high speed rotating.The roll brush 60 that is connected with turbine apparatus 50 by belt rotates simultaneously by the rotation of turbine apparatus 50.
With this understanding, when suction apparatus 100 was contacted with the place of wanting dedusting by the user, dust and/or introduced contaminants left the place of wanting dedusting by roll brush 60.The most dust and/or the introduced contaminants that are introduced into suction apparatus 100 can be introduced into by tube connector 120.
Therefore, compare with the habitual suction apparatus 100 that is shown in Fig. 3, wherein, turbine apparatus 50 is arranged in the air suction passage that communicates with tube connector 120, and attract the efficient of dust and/or introduced contaminants depend on air control lever 80 air flow control member 81 opening and closing ratio and improve or reduce.And suction apparatus 100 of the present invention improves the efficient of attraction dust and/or introduced contaminants greatly, and the vibration of turbine apparatus 50 is reduced, and the dedusting noise is along with reduction.
As mentioned above, according to the present invention, the end of rotary supporting shaft and turbine apparatus integrally forms, and turbine apparatus is arranged on outside the air suction passage that communicates with tube connector, dust and/or introduced contaminants can be inhaled into tube connector, therefore can improve the suction efficiency of vacuum cleaner, prevent the vibration of turbine apparatus, thereby reduce noise.

Claims (2)

1. the suction apparatus of a vacuum cleaner, it has: a loam cake that has a perforate that forms in its a certain position, a lower cover of combining with this loam cake, rotate and the turbine apparatus that rotary supporting shaft is arranged of inhalation power by extraneous air, one is connected with this turbine apparatus by a belt and rotates and have the roll brush of the other rotary supporting shaft that forms at its place, two ends with it simultaneously, be used to regulate the air control lever that sucks air capacity and an air flow control member and a handle are arranged with one from this perforate protrusion, it is characterized in that:
This rotary supporting shaft is integrally formed in the two ends of turbine apparatus; With
Also comprise an air suction inlet cave that described turbine apparatus is set therein that forms at this lower cover place,
2. the suction apparatus of vacuum cleaner as claimed in claim 1, it is characterized in that described turbine apparatus is arranged in described first partition component of described lower cover and the described air suction inlet cave between the described second partition member and improves the dust that sucks by described tube connector and/or the suction efficiency of introduced contaminants by described rotary supporting shaft.
CN98106604A 1997-06-25 1998-04-10 Suction apparatus for vacuum cleaner Pending CN1203063A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019970027354A KR100208134B1 (en) 1997-06-25 1997-06-25 Suction device of vacuum cleaner
KR27354/97 1997-06-25

Publications (1)

Publication Number Publication Date
CN1203063A true CN1203063A (en) 1998-12-30

Family

ID=19511219

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98106604A Pending CN1203063A (en) 1997-06-25 1998-04-10 Suction apparatus for vacuum cleaner

Country Status (3)

Country Link
JP (1) JPH119523A (en)
KR (1) KR100208134B1 (en)
CN (1) CN1203063A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1323633C (en) * 2002-09-24 2007-07-04 戴森技术有限公司 Vacuum cleaning head
CN1325009C (en) * 2004-04-13 2007-07-11 三星光州电子株式会社 Suction brush assembly and a vacuum cleaner having the same
CN101862161A (en) * 2009-04-19 2010-10-20 张小红 Pneumatic brush for dust collector
CN1518945B (en) * 2000-04-21 2012-08-08 胡佛公司 Turbine powered vacuum cleaner nozzle
CN106955057A (en) * 2017-05-17 2017-07-18 江苏美的清洁电器股份有限公司 Control unit and floor brush of dust collector
CN106963291A (en) * 2017-05-17 2017-07-21 江苏美的清洁电器股份有限公司 Pneumatic ground brush of dust collector
CN106983446A (en) * 2017-05-17 2017-07-28 江苏美的清洁电器股份有限公司 Ducting part and floor brush of dust collector
CN107007207A (en) * 2017-05-17 2017-08-04 江苏美的清洁电器股份有限公司 Ducting part and floor brush of dust collector
CN108378772A (en) * 2018-03-07 2018-08-10 苏州艾利欧电器有限公司 Pneumatic floor brush
WO2018210278A1 (en) * 2017-05-17 2018-11-22 江苏美的清洁电器股份有限公司 Pneumatic floor brush for vacuum cleaner, control component, air channel component, and floor brush for vacuum cleaner
CN113440045A (en) * 2020-03-26 2021-09-28 莱克电气股份有限公司 Scrubbing brush and dust catcher of adjustable removal resistance

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0181263B1 (en) * 1984-11-08 1992-01-29 Digital Equipment Corporation Narrow contour head assembly
GB0422907D0 (en) 2004-10-15 2004-11-17 Dyson Technology Ltd A vacuum cleaning head
GB2504940B (en) 2012-08-13 2014-12-24 Dyson Technology Ltd Cleaner head for a vacuum cleaner

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1518945B (en) * 2000-04-21 2012-08-08 胡佛公司 Turbine powered vacuum cleaner nozzle
CN1323633C (en) * 2002-09-24 2007-07-04 戴森技术有限公司 Vacuum cleaning head
CN1325009C (en) * 2004-04-13 2007-07-11 三星光州电子株式会社 Suction brush assembly and a vacuum cleaner having the same
CN101862161A (en) * 2009-04-19 2010-10-20 张小红 Pneumatic brush for dust collector
CN106955057A (en) * 2017-05-17 2017-07-18 江苏美的清洁电器股份有限公司 Control unit and floor brush of dust collector
CN106963291A (en) * 2017-05-17 2017-07-21 江苏美的清洁电器股份有限公司 Pneumatic ground brush of dust collector
CN106983446A (en) * 2017-05-17 2017-07-28 江苏美的清洁电器股份有限公司 Ducting part and floor brush of dust collector
CN107007207A (en) * 2017-05-17 2017-08-04 江苏美的清洁电器股份有限公司 Ducting part and floor brush of dust collector
WO2018210278A1 (en) * 2017-05-17 2018-11-22 江苏美的清洁电器股份有限公司 Pneumatic floor brush for vacuum cleaner, control component, air channel component, and floor brush for vacuum cleaner
CN107007207B (en) * 2017-05-17 2020-08-07 江苏美的清洁电器股份有限公司 Air duct component and dust collector floor brush
CN108378772A (en) * 2018-03-07 2018-08-10 苏州艾利欧电器有限公司 Pneumatic floor brush
CN113440045A (en) * 2020-03-26 2021-09-28 莱克电气股份有限公司 Scrubbing brush and dust catcher of adjustable removal resistance

Also Published As

Publication number Publication date
KR19990003480A (en) 1999-01-15
KR100208134B1 (en) 1999-07-15
JPH119523A (en) 1999-01-19

Similar Documents

Publication Publication Date Title
CN1203063A (en) Suction apparatus for vacuum cleaner
CN1247147C (en) Vacuum cleaner
KR100381188B1 (en) Power brush assembly of vacuum cleaner
CN1147269C (en) Rotary brush device and electric equipment using said device
CN100341452C (en) Wet-cloth brush for vacuum cleaner and a vacuum cleaner having the same
CN1164379A (en) Remote controllable automatic moving vacuum cleaner
CA2442830A1 (en) Agitator drive system for vacuum cleaner
TW328909B (en) Suction tool for an electric vacuum cleaner
KR970058646A (en) Vacuum cleaner with all parts embedded in the floor moving head
CA2269395A1 (en) Vacuum cleaner and wand assembly
CN1198916A (en) Remote controlled vacuum cleaner
KR19990003478A (en) Suction device of vacuum cleaner
EP4005453A1 (en) Dust box, dust box assembly and cleaning device
US20220322907A1 (en) Dust box and cleaning device
US6484353B2 (en) Riding type sweeper with rear-mounted engine
CN1124817C (en) Suction apparatus for vacuum cleaner
CA2254569A1 (en) Vacuum cleaner including ventilation fan for forming air current flowing along the axial direction of rotary brush to suction member
KR900015680A (en) Electric cleaner
CN1572210A (en) Vacuum cleaner
CN1791352A (en) Drive unit for an electric cleaning apparatus
CN103371780B (en) Electric dust collector
CN210568737U (en) Greasy dirt adsorption equipment and lampblack absorber
CN221242701U (en) Gas-liquid separation assembly, dust cup structure and cleaning equipment
US6098245A (en) Vacuum cleaner motor assembly
CN213402745U (en) Motor element, fan and cleaning device

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication