CN103533872A - Diffuser for a vacuum cleaner motor-fan assembly - Google Patents

Diffuser for a vacuum cleaner motor-fan assembly Download PDF

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Publication number
CN103533872A
CN103533872A CN201280002463.0A CN201280002463A CN103533872A CN 103533872 A CN103533872 A CN 103533872A CN 201280002463 A CN201280002463 A CN 201280002463A CN 103533872 A CN103533872 A CN 103533872A
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CN
China
Prior art keywords
wall
fan
valve disc
blade
motor
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Pending
Application number
CN201280002463.0A
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Chinese (zh)
Inventor
S·W·克格
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HOOVER CO (VG)
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HOOVER CO (VG)
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Publication of CN103533872A publication Critical patent/CN103533872A/en
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    • 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
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • 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
    • A47L9/22—Mountings for motor fan assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A motor-fan assembly for a vacuum cleaner configured to remove debris from a surface. The motor-fan assembly includes a fan, a motor including an output shaft coupled to the fan, the motor operable to rotate the fan, and a diffuser. The diffuser includes a disc, a wall that surrounds the disc, and a plurality of vanes that are coupled to an outer surface of the wall and extend radially outward from the outer surface of the wall.

Description

A kind of diffuser of the fan electromotor assembly for vacuum cleaner
Background of invention
The present invention relates to a kind of vacuum cleaner, more specifically, relate to a kind of diffuser of the fan electromotor assembly for vacuum cleaner.
Typical vacuum cleaner comprises base and handle, and this handle rotates to allow user along the base of required clean surperficial moving vacuum cleaner on pivot between vertical or storage location and obliquity about base.The base of described vacuum cleaner generally includes the mouth of pipe that is defined as entrance.The handle of described vacuum cleaner generally includes fan electromotor assembly, and this fan electromotor assembly can operate to produce the air-flow by entrance.This air-flow comprises air and from the mixture of the surperficial chip that will clean.In a plurality of vacuum cleaners, described fan electromotor assembly comprises for improving the diffuser of system effectiveness.This diffuser comprises can make to enter the slack-off blade of air-flow, and this blade has improved the static pressure of this air-flow.Thereby described diffuser changes air velocity into static pressure and rises.Although described diffuser has improved the aerodynamic quality of system, the design of the mouth of pipe can produce in alt whistle and invite to such an extent that the user of described vacuum cleaner is worried.Described air-flow, by after the described mouth of pipe, flows to and below described diffuser, becomes the blade of radial arrangement, thereby further slow down described air-flow and motor that described air-flow was led before being discharged from described vacuum cleaner play cooling effect.
Summary of the invention
In a specific embodiment, the invention provides a kind of fan electromotor assembly for vacuum cleaner.This fan electromotor assembly comprises fan; Motor, this motor comprises the output shaft that is connected in described fan; And diffuser.Described motor can operate so that described fan rotates.Described diffuser comprises valve disc, surround the wall of described valve disc and be connected in the outer surface of described wall and a plurality of blades that extend radially outwardly from the outer surface of described wall.Described valve disc has the first surface towards described fan, the second surface of described first surface dorsad, and between described first surface and second surface, run through the through hole of described valve disc.Described output shaft is through described through hole.Described valve disc comprises the neighboring of radially extending around described through hole further.Described wall surrounds the neighboring of described valve disc.Described wall has towards the inner surface of described output shaft and the outer surface of described inner surface dorsad.
The invention provides in another embodiment a kind of vacuum cleaner, this vacuum cleaner comprises dust storage chamber; Base, this base comprises the mouth of pipe that is defined as described vacuum cleaner entrance, chip is inhaled into dirt-collecting chamber by this mouth of pipe; Handle, this handle is connected in described base and is configured to and moves described base along wanted cleaned surface; And fan electromotor assembly, this fan electromotor assembly can operate to produce the air-flow by described entrance and described dust storage chamber.Described fan electromotor assembly comprises fan, motor, and diffuser.Described motor comprises the output shaft that is connected in described fan, and described motor can operate to rotate described fan to produce described air-flow.Described diffuser comprises valve disc, wall and a plurality of blade.Described wall surrounds described valve disc.Described blade is connected in the outer surface of described wall and extends radially outwardly from the outer surface of described wall.Described valve disc has the first surface towards described fan, dorsad the second surface of described first surface and run through the through hole of described valve disc between described first surface and described second surface.Described output shaft is through described through hole.Described valve disc is also included in the neighboring that described through hole radially extends around.Described wall surrounds the neighboring of described valve disc.Described wall has towards the inner surface of described output shaft and the outer surface of described inner surface dorsad.
Detailed description by below by reference to the accompanying drawings, will more clearly understand other side of the present invention.
Accompanying drawing explanation
Fig. 1 is according to the stereogram of the vacuum cleaner of a specific embodiment of the present invention;
Fig. 2 is the exploded view of the fan electromotor assembly of the vacuum cleaner in Fig. 1;
Fig. 3 is assembled into Fig. 2 and the cutaway view of the fan electromotor assembly that dissects along 3-3 line;
Fig. 4 is the phantom of the part fan electromotor assembly in Fig. 2;
Fig. 5 is according to the phantom of the part electric machine assembly of another embodiment of the present invention;
Fig. 6 is the amplification view of the part of the fan electromotor assembly in Fig. 5;
Fig. 7 is the amplification view of part of the fan electromotor assembly of another embodiment according to the present invention;
Fig. 8 is the amplification view of part of the fan electromotor assembly of another embodiment according to the present invention.
Before all specific embodiment of the present invention are explained by details, can be understood as the present invention be not limited to the details being applied on part drawing and in following explanation, describe or below in accompanying drawing the layout of illustrational parts.The present invention can have other embodiment, and can put into practice in a different manner or complete.
The specific embodiment
Figure 1 shows that vacuum cleaner 10.Vacuum cleaner 10 shown in the drawings comprises base 14 and handle 18.Handle 18 is pivotally connected to base 14 and is configured to along the surperficial movable base 14 that will clean, thus shown in the specific embodiment in, vacuum cleaner 10 is upright vacuum cleaner.In other the specific embodiment, described vacuum cleaner can be the other types of vacuum cleaner, as cylinder vacuum cleaner, and hand-held vacuum cleaner etc.Base 14 comprises the mouth of pipe 30 of the entrance 32 that limits vacuum cleaner 10.Vacuum cleaner 10 further comprises the cylinder 24 that is connected in movably handle 18.Cylinder 24 limits dust storage chamber 26 and separator 28.In the specific embodiment shown in the drawings, separator 28 is cyclone separator, but in other embodiments, can use the separator (as filter, dirt bag etc.) of other types.Shown vacuum cleaner 10 further comprises conduit 36.Conduit 36 couples together entrance 32 and separator 28 neatly.
See figures.1.and.2, vacuum cleaner 10 further comprises fan electromotor assembly 34.Fan electromotor assembly 34 can operate to produce the air-flow by entrance 32, conduit 36 and separator 28.Fan electromotor assembly 34 comprises fan 38, motor 42, diffuser 50 and bottom 58.Fan 38 comprises the flabellum 54 of arranging around through hole 40.In the specific embodiment shown in the drawings, fan 38 is centrifugal fan, but in the other specific embodiment, can use the fan of other type.Motor 42 comprises unit room 44 and output shaft 46.Thereby output shaft 46 through the through hole 40 of described fan 38 output shaft 46 and fan 38 are coupled together to synergic rotation.Motor 42 received currents and can operating with rotary fan 38.
Bottom 58 comprises air admission hole 60.The unit room 44 of motor 42 comprises venthole 48.Thereby bottom 58 is connected in the unit room 44 of motor 42 makes the air flow stream that results from fan electromotor assembly 42 cross air inlet 60 to surround fan 38 and diffuser 50, and is discharged from by the venthole 48 of unit room 44.
With reference to Fig. 2 and Fig. 4, diffuser 50 comprises valve disc 62, wall 66 and a plurality of blade 70.Valve disc 62 comprises Fig. 3 towards the first surface 74(of fan 38), dorsad first surface 74 and the back of the body away from the second surface 78 of fan 38 and between first surface 74 and second surface 78 through the through hole 82 of valve disc 62.The output shaft 46 of motor 42 is through through hole 82(Fig. 3).Valve disc 62 is also included in the neighboring 86 that described through hole radially extends around.
With reference to Fig. 3 and Fig. 4, wall 66 surrounds the neighboring 86 of valve discs 62, and wall 66 comprises towards the inner surface 90 of output shaft 46 and the outer surface 94 of inner surface 90 and output shaft 46 dorsad.Wall 66 is along away from described valve disc 62 and extend upward to surround the neighboring 98 of described fan 62 towards the side of described fan 38.Wall 66 comprises the first edge 63 and at second edge 64, opposite at the first edge 63.As discussed in more detail below, in other structure, wall 66 can extend along other direction.Wall 66 is around the continuous wall of 62 one-tenth 360 ° of extensions of valve disc (not namely being interrupted or hole on wall 66).Namely, in structure shown in the drawings, wall 66 vertically extends from valve disc 62.
A plurality of blades 70 are connected in the neighboring 94 of wall 66 and extend radially outwardly from the outer surface 94 of wall 66.In the specific embodiment shown in the drawings, thereby blade 70 blade 70 between the first edge 63 of wall 66 and the second edge 64 extends not more than edge 63 and 64.In other the specific embodiment, blade can extend beyond described edge 63 and 64.Described a plurality of blade 70 respectively has wing shapes of one's own.Become wing shapes blade 70 each comprise blade inlet edge 102 and trailing edge 106.Chord line 110 is by blade inlet edge 102 and trailing edge 106 couples together and relative datum face 114 forms acute angle 116, and datum level 114 intersects and be parallel to the first surface 78 of valve disc 62 at trailing edge 106 places with chord line 110.Other one group of blade 118 is connected in the second surface 78 of valve disc 62 and is circumferentially arranged in through hole 82 around.Although in the specific embodiment shown in the drawings, 70 one-tenth wing shapes of blade, in other specific embodiment, described blade can have other suitable shape.
With reference to Fig. 1, in operation, the fan electromotor assembly 34 of vacuum cleaner 10 produces the air-flow that flows into vacuum cleaner 10 by entrance.Described air-flow comprises air and comes from the mixture of the surperficial chip that will clean.Described air flow stream is crossed conduit 36 and is flowed into separator 28, and air and chip are separated in separator 28.Air described relative clean and that be filtered flows out separator 28 and flows to fan electromotor assembly 34.With reference to Fig. 3, described air flows into fan electromotor assembly 34 by hole 60 along the line 126 shown in Fig. 3.Described air-flow enters fan 38, and said air-flow becomes to be outwards directed to diffuser vane 70 radially.Diffuser vane 70 is connected in the outer surface 94 of wall 66, and becomes and from the outer surface 94 of wall 66, to stretch out radially, thereby and the air-flow that makes to enter slow down and improve the static pressure of described air-flow.In addition, blade 70 is by adjusting described air-flow and making described air-flow more evenly reduce noise.Described air-flow is through after diffuser vane 70, be directed to the blade 118 of the one-tenth radial arrangement of the downside 78 that is positioned at valve disc 62, blade 118 makes described air-flow slow down further, and after guide the outlet 48 of described air-flow by unit room 44 with in being discharged into atmosphere and cooling motor 42.
Fig. 5 and Figure 6 shows that fan electromotor assembly 234, according to another specific embodiment, this fan electromotor assembly 234 comprises diffuser 250.Fan electromotor assembly 234 comprises the feature identical with the fan electromotor assembly 34 of Fig. 1-4, therefore, the same reference numerals of the same parts providing add 200 and, only discuss the difference of fan electromotor assembly 34 and 234 below in detail.
Fan electromotor assembly 234 comprises diffuser 250, and this diffuser 250 has wall 266; First group of a plurality of blade 270, this group blade 270 extends from wall 266; And second group of a plurality of blade 272, this group blade 272 extends from wall 266.Wall 266 comprises that 330，Gai first of first extends to fan 238 to surround the neighboring 298 of fan 238 from valve disc 262 with first direction, forms the first edge 263; With second portion 334, with the second direction away from first 330, the output shaft along motor 242 extends to motor 242 and away from fan 238 from valve disc 262 this second portion 334, forms the second edge 264.294 one-tenth radially outwards of outer surface of first group of a plurality of blade 270Cong first 330 and wall 266 extend.First group of a plurality of blade 270 are arranged between first edge 263 of first 330 of valve disc 262 and wall 266.Second group of a plurality of blade 272 extends from 294 one-tenth radially outwards of outer surface of second portion 334 and wall 266.Described second group of a plurality of blade 272 are arranged between second edge 264 of second portion 334 of valve disc 262 and wall 266.First group of a plurality of blade 270 and second group of a plurality of blade 272 all have into the blade of wing shapes.
Figure 7 shows that fan electromotor assembly 434, according to another specific embodiment, this fan electromotor assembly 434 comprises diffuser 450.Fan electromotor assembly 434 comprises the feature identical with the fan electromotor assembly 34 of Fig. 1-4, and therefore, the same parts of having listed above, adds 4 before the label in being marked as above in the following drawings.And, only discuss the difference of fan electromotor assembly 34 and 434 below in detail.
Fan electromotor assembly 434 comprises diffuser 450, and this diffuser 450 has wall 466 and a plurality of blade 470.Wall 466 extends to motor 442 from valve disc 462 along the output shaft of motor 442 and away from fan 438 in one direction, forms the first edge 463 and the second edge 464.A plurality of blades 470 are connected in the outer surface 494 of wall 466 and become from the outer surface of wall 466, to stretch out radially.A plurality of blades 470 are arranged between first edge 463 and the second edge 464 of wall 466, so blade 470 can not extend edge 463 and 464.
Figure 8 shows that fan electromotor assembly 634, according to another specific embodiment, fan electromotor assembly 634 comprises diffuser 650.Fan electromotor assembly 634 comprises the feature identical with the fan electromotor assembly 34 of Fig. 1-4, and therefore, the same parts of having listed above, adds 6 before the label in being marked as above in the following drawings.And, only discuss the difference of fan electromotor assembly 34 and 634 below in detail.
Fan electromotor assembly 634 comprises diffuser 650, and this diffuser 650 has interior wall 666, a plurality of blades 670, and outer wall 668.Interior wall 666 surrounds the neighboring 686 of valve discs 662, and interior wall 666 comprises inner surface 730 and outer surface 734, and inner surface 730 is towards the output shaft of motor 642, and outer surface 734 is inner surface 730 dorsad.Interior wall 666 extends to surround the neighboring 698 of fan 638 to fan 638 along a direction from valve disc 662, form the first edge 663 and the second edge 664.A plurality of blades 670 are connected in the outer surface 734 of interior wall 666 and extend from 734 one-tenth radially outwards of outer surface of interior wall 666.A plurality of blades 670 are arranged between first edge 663 and the second edge 664 of interior wall 666.Outer wall 668 is positioned at from the radially outer position of wall 666, and away from the output shaft of motor 642, therefore a plurality of blades 670 extend between interior wall 666 and outer wall 668.
Various features of the present invention and advantage are illustrated in claim below.

Claims (20)

1. for a fan electromotor assembly for vacuum cleaner, this fan electromotor assembly comprises:
Fan;
Motor, this motor comprises the output shaft that is connected in described fan, described motor can operate to rotate described fan; And
Diffuser, this diffuser comprises,
Valve disc, this valve disc has the first surface towards described fan, dorsad the second surface of described first surface, the through hole that runs through described valve disc between described first surface and second surface, through the output shaft of described through hole, described valve disc further comprises the neighboring of radially extending around described through hole
Wall, this wall is around the neighboring of described valve disc, and described wall has towards the inner surface of described output shaft and the outer surface of described inner surface dorsad, and
A plurality of blades, these some blades are connected in the outer surface of described wall and extend radially outwardly from the outer surface of described wall.
2. fan electromotor assembly according to claim 1, wherein, described wall extends to surround the neighboring of described fan in one direction from described valve disc to described fan.
3. fan electromotor assembly according to claim 1, wherein, described wall is extending to described motor from described valve disc along described output shaft and on away from the direction of described fan.
4. fan electromotor assembly according to claim 1, wherein, described wall extends to surround the neighboring of described fan along first direction from described valve disc to described fan, and to described motor, is extending from described valve disc along described output shaft and away from the second direction of described fan.
5. fan electromotor assembly according to claim 1, wherein, described wall is around described valve disc, to extend the continuous wall of 360 °.
6. fan electromotor assembly according to claim 1, wherein, described wall comprises first and second portion, wherein said a plurality of blade is first group of a plurality of blade and extends from described first, wherein said diffuser further comprises second group of a plurality of blade, these second group of a plurality of blade extends radially outwardly from the second portion of described wall and the outer surface of described wall, and wherein said first group of a plurality of blade separate with described second group of a plurality of blade in the output shaft direction along described motor.
7. fan electromotor assembly according to claim 6, wherein, described first group of a plurality of blade and second group of a plurality of blade all have into the blade of wing shapes.
8. fan electromotor assembly according to claim 1, wherein, described wall is interior wall, wherein said diffuser further comprise from described interior wall, about described through hole, radially outward arrange wall, and wherein said a plurality of blade extends between described interior wall and outer wall.
9. fan electromotor assembly according to claim 1, wherein, described a plurality of leaf packet contain into the blade of wing shapes.
10. fan electromotor assembly according to claim 9, wherein, each comprises leading edge the blade of described one-tenth wing shapes, trailing edge, and the chord line that described leading edge and described trailing edge are coupled together, wherein reference planes are intersected and described reference planes are parallel to first surface and the second surface of described valve disc at described trailing edge and described chord line, and wherein between described chord line and described reference planes, form acute angle.
11. fan electromotor assemblies according to claim 1, described fan electromotor assembly further comprises from the second surface of described valve disc and extending and around a plurality of blades of described through hole circumferential arrangement.
12. 1 kinds of vacuum cleaners, this vacuum cleaner comprises:
Dust storage chamber;
Base, this base comprises the mouth of pipe that is defined as described vacuum cleaner entrance, chip flows to described dust storage chamber by this mouth of pipe;
Handle, this handle is connected in described base and is configured to and moves described base along the surface that will clean; And
Fan electromotor assembly, this fan electromotor assembly can operate to produce the air-flow by described entrance and described dust storage chamber, and described fan electromotor assembly comprises,
Fan,
Motor, this motor comprises the output shaft that is connected in described fan, thus described motor can operate with rotary fan and produces described air-flow, and
Diffuser, this diffuser comprises,
Valve disc, this valve disc has the first surface towards described fan, the second surface of described first surface dorsad, the through hole that runs through described valve disc between described first surface and described second surface, described output shaft is through affiliated through hole, described valve disc further comprises the neighboring of radially extending around described through hole
Wall, this wall surrounds the neighboring of described valve disc and described wall to be had towards the inner surface of described output shaft and the outer surface of described inner surface dorsad, and
A plurality of blades, the plurality of blade is connected in the outer surface of described wall and extends radially outwardly from the outer surface of described wall.
13. vacuum cleaners according to claim 12, wherein, described fan electromotor assembly comprises the bottom of the entrance that is defined as described fan electromotor assembly, and air flows to described motor through this bottom, and wherein said fan and described diffuser to be configured in described bottom inner.
14. vacuum cleaners according to claim 12, wherein, described wall extends to surround the neighboring of described fan in one direction from described valve disc to described fan.
15. vacuum cleaners according to claim 12, wherein, described wall is extending to described motor from described valve disc along described output shaft and on away from the direction of described fan.
16. vacuum cleaners according to claim 12, wherein said wall extends to surround the neighboring of described fan along first direction from described valve disc to described motor, and to described motor, is extending from described valve disc along described output shaft and away from the second direction of described fan.
17. vacuum cleaners according to claim 12, wherein, described wall is around described valve disc, to extend the continuous wall of 360 °.
18. vacuum cleaners according to claim 12, wherein, described wall comprises first and second portion, wherein said a plurality of blade is first group of blade and extends from described first, wherein said diffuser further comprises the second group of a plurality of blade radially extending from the second portion of described wall and the outer surface of described wall, and wherein said first group of a plurality of blade separate with described second group of a plurality of blade along the output shaft of described motor.
19. vacuum cleaners according to claim 12, wherein, described wall is interior wall, wherein said diffuser also comprise from described interior wall, about described through hole, radially outward arrange wall, and wherein said a plurality of blade extends between described interior wall and outer wall.
20. vacuum cleaners according to claim 12, this vacuum cleaner also comprises from the second surface of described valve disc and extending and around a plurality of blades of described through hole circumferential arrangement.
CN201280002463.0A 2011-01-25 2012-01-24 Diffuser for a vacuum cleaner motor-fan assembly Pending CN103533872A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/013,530 US20120186036A1 (en) 2011-01-25 2011-01-25 Diffuser for a vacuum cleaner motor-fan assembly
PCT/US2012/022301 WO2012103053A2 (en) 2011-01-25 2012-01-24 Diffuser for a vacuum cleaner motor-fan assembly

Publications (1)

Publication Number Publication Date
CN103533872A true CN103533872A (en) 2014-01-22

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US (1) US20120186036A1 (en)
CN (1) CN103533872A (en)
GB (1) GB2495047A (en)
WO (1) WO2012103053A2 (en)

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CN101657132A (en) * 2006-09-26 2010-02-24 创科地板护理技术有限公司 Control arrangement for a propulsion unit for a self-propelled floor care appliance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105725914A (en) * 2016-04-19 2016-07-06 邢皓宇 Vehicle-mounted dust collector
WO2017181331A1 (en) * 2016-04-19 2017-10-26 邢皓宇 Vehicle mounted vacuum cleaner
CN114040698A (en) * 2019-07-08 2022-02-11 伊莱克斯公司 Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner

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GB2495047A (en) 2013-03-27
WO2012103053A3 (en) 2012-11-29
US20120186036A1 (en) 2012-07-26
WO2012103053A2 (en) 2012-08-02
GB201300728D0 (en) 2013-02-27

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Application publication date: 20140122