CN101489459B - Air cleaner - Google Patents
Air cleaner Download PDFInfo
- Publication number
- CN101489459B CN101489459B CN200680055373.2A CN200680055373A CN101489459B CN 101489459 B CN101489459 B CN 101489459B CN 200680055373 A CN200680055373 A CN 200680055373A CN 101489459 B CN101489459 B CN 101489459B
- Authority
- CN
- China
- Prior art keywords
- air
- dust catcher
- sealing gasket
- air duct
- breathing
- 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.)
- Expired - Fee Related
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Classifications
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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
- 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
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
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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
- 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
- A47L9/20—Means for cleaning filters
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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
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a vacuum cleaner (10) with electronic control (48) and a dirt collection container (12), which has a suction inlet (18) and is flow-connected through a suction hose (26) with a suction unit (16), which is connected through at least one air conduit (58, 61) with at least one air outlet (22). To develop the vacuum cleaner further so that, by means of simple construction, noise can be minimized and heat-sensitive elements can be protected against damage, it is recommended according to the invention that at least one air conduit be sealed by means of a noise-insulating sealing mat which is made of a fire-retardant material and covers the electric control unit.
Description
Technical field
The present invention relates to a kind of dust catcher with control module and dirt collection vessel, described dirt collection vessel has air-breathing inlet and keeps fluid flow communication by aspiration and air-breathing unit, and described air-breathing unit is connected with at least one air outlet slit by at least one air duct.
Background technology
Can draw dirt and preferably also can imbitition by this type of dust catcher, method is by air-breathing unit dirt collection vessel to be imposed low pressure, passes dirt collection vessel arrives air-breathing unit via aspiration inspiratory flow thereby form from air-breathing inlet.The air of being drawn can arrive the air outlet slit of dust catcher by air-breathing unit guiding via air duct.
Use the control electronic equipment in order to control described dust catcher, described control electronic equipment has the high power semi-conductor and/or the electromechanical formula relay of heating under many circumstances.
The operation of air-breathing unit produces with the noise of determining and interrelates, this noise produces should be held low as far as possible, and the application of control electronic equipment produces with the heat of determining and interrelates, this heat produces also should be held low, and under the situation that undue heat produces, should guarantee that the heat sensitivity assembly to dust catcher does not cause damage.
Summary of the invention
Task of the present invention is, so improves the dust catcher according to the type of classification, promptly can noise be produced in simple mode on the structure to keep very lowly and can protect the heat sensitivity assembly to avoid being damaged.
In the dust catcher of the described type of beginning, this task solves as follows according to the present invention, and promptly the sealing gasket by sound insulation seals at least one air duct, and the sealing pad is by the material manufacturing and the covering electric control unit of anti-flammability.
The present invention is together included in following conception in, promptly the noise of dust catcher can be produced keep lowly as far as possible, and method is that the sealing gasket by sound insulation seals at least one air duct of drawing from air-breathing unit.The sealing pad has not only been realized flowing and has been constructed air duct hermetically and the manufacturing tolerance when for example air duct being produced compensates, and the situation of generating heat consumingly for the control electronic equipment, and described sealing gasket additionally constitutes the mechanism that prevents fires.For this reason, sealing gasket covering control electronic equipment and sealing gasket are by the fire proofing manufacturing.
Thus, sealing gasket is born multiple function.It constitutes the sound insulation body, makes the noise of dust catcher produce reduction.In addition, sealing gasket has realized that the mobile of air duct is sealed shut, and wherein, can the manufacturing tolerance of air duct be compensated.In addition, sealing gasket constitutes fire prevention mechanism, and this fire prevention mechanism guarantees, the control electronic equipment of dust catcher consumingly adstante febre can not catch fire easily.The sealing pad can assemble in simple mode, thereby can construct in simple mode on the structure according to dust catcher of the present invention, makes this dust catcher show lower noise and produces and have a reliable fire prevention mechanism.
Described sealing gasket preferably can flexibly be out of shape.This has provided following possibility, promptly when assembling, sealing gasket is compressed, and wherein, the sealing pad makes every effort to take once more its original shape and flow thus be resisted against hermetically on the dust catcher wall and seamed edge adjacent one another are subsequently.
Advantageously, described sealing gasket is by the thermoset plastic material manufacturing of foaming.Thermosetting plastics is crosslinked synthetic material, even described synthetic material can not melt under than higher temperature yet.According to the present invention, sealing gasket hides the control electronic equipment, makes that the flame-retarding characteristic owing to sealing gasket guarantees to prevent fires reliably mechanism under the situation of the strong heating of control electronic equipment.
In a preferred embodiment, the sealing pad is by the thermoset plastic material manufacturing of the foaming of the group that is selected from aminoplast.Alternatively, also can use thermosetting plastics based on the foaming of PUR-material (polyurethane material).
In order to obtain the mechanism that especially effectively prevents fires, advantageously, described sealing gasket has less than 0.04W/mK, particularly less than the thermal conductivity of 0.035W/mk.When 10 ℃ temperature, thermal conductivity measured and determine thermal conductivitys according to standard DIN 52612.Show that having so, the sealing gasket of thermal conductivity value is particularly suitable for protecting the remaining component of dust catcher to avoid damaging under the situation of the strong heating of control electronic equipment.
In preferred structural scheme, dust catcher has housing parts, housing parts is furnished with overhead guard, this overhead guard hides the partition wall parts, wherein, the partition wall parts have the bottom, and two partition walls keep spacing ground to stretch out from this bottom each other, these two partition walls are limiting air duct each other, and wherein sealing gasket is arranged between overhead guard and the partition wall.In the zone of air duct, the partition wall parts can have the profile of U-shaped, and the profile of this U-shaped is formed by bottom and two partition walls, and the profile of this U-shaped is placed with in the centre under the situation of sealing gasket and is hidden by overhead guard.When the assembling dust catcher, overhead guard can be tightened to the partition wall parts or with the partition wall parts in screens.The manufacturing tolerance that is occurred can compensate by sealing gasket, and the sealing pad is arranged between overhead guard and the partition wall parts.The sealing of the mobile sealing of the paired air duct of gasket-like, wherein the sealing pad not only extends on air duct, and extends on the control electronic equipment of dust catcher in addition.
Described control electronic equipment preferred laterally in the arranged alongside of one of partition wall outside air duct.This control electronic equipment can comprise at least one circuit board, and electric structural detail is arranged on this circuit board.This circuit board can be fixed on the partition wall.
What have advantage especially is, described control electronic equipment is connected with at least one cooling element, for example is connected with cooling fin, and this cooling element protrudes in the air duct.In addition, partition wall (be furnished with in the outside of partition wall control electronic equipment) can have opening, and this opening element that is cooled passes.
Particularly advantageous is that the sealed pad of air-breathing unit hides.In this type of embodiment, sealing gasket not only extends on air duct and control electronic equipment, and the air-breathing unit of the same covering of sealing gasket.This has realized keeping the noise generation of dust catcher low especially.Advantageously, air-breathing unit is arranged in the top of dust catcher, and this top can be placed on the dirt collection vessel.
Described air-breathing unit advantageously comprises by external air cooled motor and by electric motor driven air-breathing turbine, this motor is connected with the cooling air outlet slit by first air duct, this air-breathing turbine is connected with the suction air outlet slit by second air duct, wherein, sealing gasket seals first air duct and second air duct.By the air-breathing turbine that makes its rotation by motor, can obtain to pass the inspiratory flow that dirt collection vessel and aspiration arrive air-breathing unit from air-breathing inlet.The air of being drawn can be discharged into the suction air outlet slit of dust catcher by second air duct.For cool motors, do not rely on and suck air ground and will cool off air and flow to motor, the cooling air by first air duct with cool off air outlet slit and be discharged into environment.Air-breathing unit can have significant gettering ability thus.Because the sealing gasket of sound insulation not only sealed first air duct but also second air duct was sealed and preferably hid all sidedly air duct, thus can be under the situation that the noise as small as possible of considering dust catcher produces to the cooling air with suck the mobile of air and be optimized.
Advantageously, the control electronic equipment is electrically connected with at least one electromagnetism draught excluder, this draught excluder seals external air intake, wherein, the side that deviates from dirt collection vessel of the filter in the flow path that is arranged between dirt collection vessel and the air-breathing unit can for purify by external air intake by impact impose external air.This type of structural scheme has been realized the filter backwash so that make the dirt fines segregation, described dirt particulate air-breathing in service accumulate at least one filter on the side of dirt collection vessel.
In order to purify, the side that deviates from dirt collection vessel of filter can be subjected to external air, and method is to open the electromagnetism draught excluder, thereby external air can flow in the aspiration by external air intake.Purified by control electronic equipment controlled filter device, therefore this control electronic equipment has inapparent heat generation.Take place unallowedly when overheated at the control electronic equipment, the sealing gasket that uses by the ground according to the present invention keeps the danger that the assembly of dust catcher damages very low.
In preferred embodiment, can impose electric current to the electromagnet that is used for closing draught excluder by control module, wherein, electric current is carried and can be interrupted on time control ground.Normal air-breathing in service, the electromagnet of draught excluder imposes exciting current by control module, thereby constitutes magnetic field, and this magnetic field remains on its detent position with draught excluder.In the time that filter cleaning should be carried out, then temporarily interrupt exciting current by control module.This causes following consequence, promptly the magnetic field of electromagnet disintegrate and thus draught excluder open.So, external air can suddenly be applied to the side that deviates from dirt collection vessel of filter and thus filter mechanically shake.In addition, filter can that is to say on countercurrent direction, with the inspiratory flow that is top dog at normal air-breathing run duration on the contrary by external passage of air, thereby purify very effectively thus.At normal air-breathing run duration, provide exciting current constantly by control module equally.This can cause the unconspicuous heating of control module.But because control module is hidden by sealing gasket fire-retardant and that have low heat conductivity according to the present invention, so in fact there is not following danger, promptly the heat of control module produces the infringement of other assembly that causes dust catcher.
Description of drawings
The following description of preferred implementation of the present invention is used for being described in more detail in conjunction with the accompanying drawings.Wherein:
Fig. 1 illustrates the constructed profile according to dust catcher of the present invention;
Fig. 2 is illustrated in when taking off overhead guard, the sectional top view of dust catcher; And
Fig. 3 illustrates along the profile of Fig. 2 center line 3-3.
The specific embodiment
In the accompanying drawings, dust catcher 10 is shown schematically, dust catcher 10 is furnished with dirt collection vessel 12, and top 14 is placed on the dirt collection vessel 12, and this top 14 holds air-breathing unit 16.Dirt collection vessel 12 has air-breathing inlet 18, and unshowned in the accompanying drawings inhaling hose can be connected on this air-breathing inlet 18.Free end at inhaling hose can connect vacuum noz(zle).Can be set to alternatively, inhaling hose is connected with machining tool (for example hole unit or milling unit), thereby the dust that produces when machining tool moves can siphon away.
Top 14 is configured for the air-breathing outlet 22 of dirt collection vessel 12.Plough groove type filter 24 remains on air-breathing outlet 22 places, and the aspiration that is air intake passage 26 forms is connected with plough groove type filter 24.This plough groove type filter 24 keeps fluid flow communication by air intake passage 26 and air-breathing unit 16.Dirt collection vessel 12 can be by air intake passage 26 and plough groove type filter 24 and is imposed low pressure by air-breathing unit 16, thereby be formed on the inspiratory flow of passing through arrow 28 marks among Fig. 1, under the effect of this inspiratory flow, dirt can be sucked in the dirt collection vessel 12.The dirt particulate can be separated from inspiratory flow 28 by plough groove type filter 24.
Above plough groove type filter 24, draught excluder 30 is arranged in the top 14, draught excluder 30 is positioned at the vavle shelf 32 in the top 14 with comprising fixed-site, vavle shelf 32 constitute valve seats and with the valve body acting in conjunction of movable, rounded valve disc 34 forms.Valve disc 34 is subjected to seal force on the direction of vavle shelf 32 by sealing spring 36.Sealing spring 36 board-like, that have a large amount of flow passages, be arranged between filter stand 38 in the top 14 and the valve disc 34 and compress to fixed-site.
In the central area, vavle shelf 32 carryings are furnished with the electromagnet 40 of magnetic coil 42.Be furnished with at valve disc 34 places and attach troops to a unit in magnetizable element electromagnet 40, that be iron plate 44 forms, iron plate 44 is resisted against on the electromagnet 40 on distolateral at the detent position of draught excluder 30.In addition, electromagnet 40 imposes exciting current by unshowned connecting line in the accompanying drawings by the control electronic equipment 48 that marks in Fig. 2 and 3, thereby forms magnetic field and iron plate 44 is subjected to the magnetic confining force.When filter 24 should be cleaned, then interrupt the electric current supply of electromagnet 40.This causes following result, and promptly valve disc 34 lifts from the valve seat of being attached troops to a unit owing to affact pressure differential on it (this pressure differential is obtained with controlling in the low pressure of air intake passage 26 inside by the external air that flows to draught excluder 30 by lateral openings 51).Thus, external air can flow to the side that deviates from dirt collection vessel 12 of filter 34 and to filter 34 impact that presses from lateral openings 51.Sealing spring 36 preferably makes valve disc 34 turn back to the valve seat of being attached troops to a unit once more after being less than time of 0.5 second after the very short time, so that the continuation of external air is carried and is blocked and normal air-breathing operation can continue once more.
In controlling electronic equipment 48 and air-breathing unit 16 being arranged in the top 14 of dust catcher 10 the samely.As becoming clear by Fig. 3 especially, top 14 comprises the partition wall parts 53 that constituted the synthetic material profiled part integratedly, and partition wall parts 53 constitute bottom 54, and interior partition wall 55 and outer partition wall 56 54 protrude upward from the bottom with keeping spacing each other.Partition wall 55,56 has the distribution of labyrinth-like and is first air duct of cooling air channels 58 forms in the side formation of dust catcher 10, cooling air channels 58 is passed in the cooling air channels 59, and the opposite side of dust catcher 10, two partition walls 55 and 56 are limiting second air duct that is air suction channel 61 forms each other, and air suction channel 61 is passed in the air suction channel 62.Air suction channel 62 be arranged in dust catcher 10 with cooling air outlet slit 59 opposed sides on.
Air-breathing unit 16 comprises air-breathing turbine 64, makes air-breathing turbine 64 rotate by external air cooled motor 65.
The cooling air of motor 65 can be discharged into environment by cooling air channels 58 and cooling air outlet slit 59, and can and suck air outlet slit 62 by air suction channel 61 by the suction air that air-breathing turbine 64 sucks by air-breathing inlet 18 and dirt collection vessel 12 and air intake passage 26 and be discharged into environment.
Control electronic equipment 48 comprises a plurality of electronic building bricks 74, and described electronic building brick 74 is arranged on the circuit board 76.Circuit board 76 is positioned at the outside of outer partition wall 56.The cooling element that is cooling fin 72 forms passes the unshowned in the drawings opening of outer partition wall 56 and protrudes in the cooling air channels 58.Cooling fin 72 is connected with heat conduction with the assembly 74 of control electronic equipment 48 and realizes effective cooling to assembly 74.
The partition wall parts 53 on top 14 are hidden by overhead guard 68.This becomes clear by Fig. 3 especially.Be furnished with the sealing gasket 70 of sound insulation between partition wall 53 and overhead guard 68, described sealing gasket 70 is by the material of anti-flammability, just made by the thermoset plastic material of the foaming of the group that is selected from aminoplast.Sealing gasket 70 extends on air-breathing unit 16, cooling air channels 58 and air suction channel 61, and extends on the control electronic equipment 48 on this external outside that is arranged in outer partition wall 56.Sealing gasket 70 can flexibly be out of shape and realize the manufacturing tolerance between partition wall parts 53 and the overhead guard 68 is compensated in simple mode on the structure.In addition, the noise that sealing gasket 70 has reduced dust catcher 10 produces and assurance, at control electronic equipment 48 strong adstante febre takes place, and does not have following danger, and promptly other assembly of dust catcher 10 suffers damage.The stretching, extension of sealing gasket 70 becomes clear by Fig. 2 especially, and sealing gasket 70 is illustrated with shade in Fig. 2.Fig. 2 illustrates the vertical view of dust catcher 10 in the zone of air-breathing unit 16, and wherein overhead guard 68 is removed, and makes that the situation of sealing gasket 70 can be in sight.
Claims (12)
1. dust catcher, have control electronic equipment and dirt collection vessel, described dirt collection vessel has air-breathing inlet and keeps fluid flow communication by aspiration and air-breathing unit, described air-breathing unit is connected with at least one air outlet slit by at least one air duct (58,61), it is characterized in that, with sealing gasket (70) sealing of at least one air duct (58,61) in described at least one air duct (58,61) by sound insulation, described sealing gasket (70) is by the material manufacturing of anti-flammability and the described control electronic equipment (48) of covering electricity.
2. dust catcher according to claim 1 is characterized in that, described sealing gasket (70) can flexibly be out of shape.
3. dust catcher according to claim 1 and 2 is characterized in that, described sealing gasket (70) is by the thermoset plastic material manufacturing of foaming.
4. dust catcher according to claim 1 and 2 is characterized in that, described sealing gasket (70) is by the thermoset plastic material manufacturing group that is selected from aminoplast, foaming.
5. dust catcher according to claim 1 and 2 is characterized in that, described sealing gasket (70) has the thermal conductivity less than 0.04W/mK.
6. dust catcher according to claim 1 and 2, it is characterized in that, described dust catcher (10) has housing parts (14), described housing parts (14) is furnished with overhead guard (68), described overhead guard (68) hides partition wall parts (53), wherein, described partition wall parts (53) have bottom (54), two partition walls (55,56) keep spacing ground to stretch out each other from described bottom (54), described two partition walls (55,56) limiting described at least one air duct (58 each other, 61) air duct in, and wherein, described sealing gasket (70) is arranged in described overhead guard (68) and described two partition walls (55,56) between.
7. dust catcher according to claim 6 is characterized in that, described control electronic equipment (48) laterally is arranged in outside the described air duct (58) on partition wall (56) side.
8. dust catcher according to claim 7 is characterized in that, described control electronic equipment (48) is connected with at least one cooling element (72), and described cooling element (72) protrudes in the described air duct (58).
9. dust catcher according to claim 1 and 2 is characterized in that, described air-breathing unit (16) is hidden by described sealing gasket (70).
10. dust catcher according to claim 1 and 2, it is characterized in that, described air-breathing unit (16) has by external air cooled motor (65), and described motor (65) is connected with cooling air outlet slit (59) in described at least one air outlet slit by first air duct (58); And described air-breathing unit (16) has the air-breathing turbine (64) that is driven by described motor (65), described air-breathing turbine (64) is connected with suction air outlet slit (62) in described at least one air outlet slit by second air duct (61), wherein, described sealing gasket (70) seals described first air duct (58) and described second air duct (61).
11. dust catcher according to claim 1 and 2, it is characterized in that, described control electronic equipment (48) is electrically connected with at least one electromagnetism draught excluder (30), described electromagnetism draught excluder (30) is closed external air intake (51), wherein, by described external air intake (51), the side that deviates from described dirt collection vessel (12) of filter (24) can be for purification by impact impose external air, described filter (24) is arranged in the flow path between described dirt collection vessel (12) and the described air-breathing unit (16).
12. dust catcher according to claim 11 is characterized in that, by described control electronic equipment (48), electromagnet (40) can be subjected to electric current, is used to close described draught excluder (30), and wherein, described electric current is carried and can be interrupted by time control ground.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2006/007543 WO2008014796A1 (en) | 2006-07-29 | 2006-07-29 | Vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101489459A CN101489459A (en) | 2009-07-22 |
| CN101489459B true CN101489459B (en) | 2011-02-09 |
Family
ID=37768733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200680055373.2A Expired - Fee Related CN101489459B (en) | 2006-07-29 | 2006-07-29 | Air cleaner |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20090193612A1 (en) |
| EP (1) | EP2046181B1 (en) |
| CN (1) | CN101489459B (en) |
| AT (1) | ATE466513T1 (en) |
| DE (1) | DE502006006920D1 (en) |
| DK (1) | DK2046181T3 (en) |
| WO (1) | WO2008014796A1 (en) |
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| CN103687527A (en) * | 2011-07-22 | 2014-03-26 | 阿尔弗雷德·凯驰两合公司 | Power sweeper having pressure vessel for cleaning the filter |
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| PL2046184T3 (en) | 2006-07-29 | 2014-06-30 | Kaercher Gmbh & Co Kg Alfred | Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out the method |
| DK2046182T3 (en) | 2006-07-29 | 2014-08-18 | Kaercher Gmbh & Co Kg Alfred | Vacuum cleaner with self-cleaning filter device |
| EP2373204B1 (en) * | 2008-11-05 | 2015-07-29 | Aktiebolaget Electrolux | Vacuum cleaner |
| CN102481079B (en) | 2009-07-07 | 2014-09-10 | 阿尔弗雷德·凯驰两合公司 | Suction apparatus for cleaning purposes |
| WO2012065627A1 (en) * | 2010-11-16 | 2012-05-24 | Alfred Kärcher Gmbh & Co. Kg | Vacuum cleaner having at least one suction assembly |
| WO2014094834A1 (en) * | 2012-12-18 | 2014-06-26 | Alfred Kärcher Gmbh & Co. Kg | Self-propelled and self-steering floor cleaning device |
| DE102013019224A1 (en) * | 2013-11-15 | 2015-05-21 | Nilfisk-Advance A/S | Vacuum cleaner with pivoting flap |
| CN105559692A (en) * | 2014-10-10 | 2016-05-11 | 江苏美的清洁电器股份有限公司 | Dust cup component of dust collector and dust collector provided with dust cup component |
| CN107249416B (en) * | 2015-01-13 | 2021-05-11 | 阿尔弗雷德·卡赫欧洲两合公司 | Suction machine |
| DE102015100426A1 (en) * | 2015-01-13 | 2016-07-14 | Alfred Kärcher Gmbh & Co. Kg | Cleaning device and method for reducing noise in a cleaning device |
| EP3244785B1 (en) * | 2015-01-13 | 2019-04-10 | Alfred Kärcher SE & Co. KG | Suction device and method for operating a suction device |
| JP6259034B2 (en) * | 2016-09-02 | 2018-01-10 | シャープ株式会社 | Electric vacuum cleaner |
| GB201700637D0 (en) | 2017-01-13 | 2017-03-01 | Black & Decker Inc | Dust collection box |
| EP3651629B1 (en) * | 2017-07-12 | 2021-09-08 | Alfred Kärcher SE & Co. KG | Vacuum cleaner with at least two filters and methode for using said vacuum cleaner |
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| KR100545269B1 (en) * | 2003-09-09 | 2006-01-24 | 삼성광주전자 주식회사 | Noise Reducing Structure of Motor for Vacuum cleaner |
| DE102005017568B4 (en) * | 2005-04-11 | 2024-04-25 | Alfred Kärcher SE & Co. KG | Vacuum cleaner |
-
2006
- 2006-07-29 WO PCT/EP2006/007543 patent/WO2008014796A1/en active Application Filing
- 2006-07-29 EP EP06776508A patent/EP2046181B1/en not_active Not-in-force
- 2006-07-29 AT AT06776508T patent/ATE466513T1/en active
- 2006-07-29 DE DE502006006920T patent/DE502006006920D1/en active Active
- 2006-07-29 DK DK06776508.1T patent/DK2046181T3/en active
- 2006-07-29 CN CN200680055373.2A patent/CN101489459B/en not_active Expired - Fee Related
-
2009
- 2009-01-27 US US12/322,067 patent/US20090193612A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289987A2 (en) * | 1987-05-06 | 1988-11-09 | Hitachi, Ltd. | Vacuum cleaner |
| CN1107025A (en) * | 1993-07-16 | 1995-08-23 | 株式会社金星社 | Control apparatus and method for inhalation power of vacuum cleaner |
| CN2175569Y (en) * | 1993-11-17 | 1994-08-31 | 北京市海淀区康得机电技术开发公司 | Automatic walking industrial dust suction car |
| GB2337922A (en) * | 1998-04-22 | 1999-12-08 | James Kenneth Sampson Wills | Wet suction carpet cleaner with a sound insulated motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687527A (en) * | 2011-07-22 | 2014-03-26 | 阿尔弗雷德·凯驰两合公司 | Power sweeper having pressure vessel for cleaning the filter |
| CN103687527B (en) * | 2011-07-22 | 2016-08-17 | 阿尔弗雷德·凯驰两合公司 | There is the scavenging machine of pressure vessel for clean filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502006006920D1 (en) | 2010-06-17 |
| DK2046181T3 (en) | 2010-07-26 |
| EP2046181A1 (en) | 2009-04-15 |
| WO2008014796A1 (en) | 2008-02-07 |
| CN101489459A (en) | 2009-07-22 |
| ATE466513T1 (en) | 2010-05-15 |
| US20090193612A1 (en) | 2009-08-06 |
| EP2046181B1 (en) | 2010-05-05 |
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