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WO2018168142A1 - Dispositif d'aspiration et aspirateur électrique l'utilisant - Google Patents

Dispositif d'aspiration et aspirateur électrique l'utilisant Download PDF

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Publication number
WO2018168142A1
WO2018168142A1 PCT/JP2017/045644 JP2017045644W WO2018168142A1 WO 2018168142 A1 WO2018168142 A1 WO 2018168142A1 JP 2017045644 W JP2017045644 W JP 2017045644W WO 2018168142 A1 WO2018168142 A1 WO 2018168142A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust
suction tool
filtration filter
case
filter
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.)
Ceased
Application number
PCT/JP2017/045644
Other languages
English (en)
Japanese (ja)
Inventor
古林　満之
幸弘 藤原
山浦　泉
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management 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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2019505716A priority Critical patent/JPWO2018168142A1/ja
Publication of WO2018168142A1 publication Critical patent/WO2018168142A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action

Definitions

  • the present invention relates to a suction tool connected to a vacuum cleaner or the like and a vacuum cleaner using the suction tool.
  • a paper pack type vacuum cleaner that sucks air containing dust and separates and removes the dust with a paper pack type filter.
  • This type of vacuum cleaner contains dust in a paper pack. In this case, when the amount of dust in the paper pack increases, the amount of air sucked decreases, and the original performance of the vacuum cleaner decreases. The user must change the paper pack frequently to maintain the performance of the vacuum cleaner.
  • the conventional vacuum cleaner described in Patent Document 1 sucks air containing dust from a suction port 23 provided in the nozzle 22.
  • the sucked air is sucked into the cleaner body 11 through the extension pipe 20, the cyclone suction tool 4, and the suction hose 18. Further, the sucked air is exhausted to the outside of the cleaner body 11 through a paper pack type filter (not shown) and an electric blower (not shown) disposed in the cleaner body 11. .
  • the suction tool 4 is disposed in the middle of the extension pipe 20.
  • the suction tool 4 separates and collects dust in the air including dust sucked from the suction port 23 of the nozzle 22.
  • FIG. 11 is a cross-sectional view of a conventional suction tool 4.
  • the conventional suction tool 4 includes an introduction port 7, a dust collection case 8, and a discharge port 9.
  • the introduction port 7 communicates with the extension pipe 20 and air containing dust flows in.
  • the discharge port 9 discharges the air from which the dust is separated to the cleaner body 11 via the suction hose 18.
  • the suction tool 4 generates a swirling airflow (arrow G in FIG. 11) in the air sucked from the inlet 7 inside. Due to the centrifugal force of the swirling airflow, dust is separated from the sucked airflow. The separated dust is accommodated in a dust collection case 8 provided below. Thereby, many dusts, such as coarse dust, are removed from the air which passed through the suction tool 4. FIG. At this time, fine dust or the like in the air is exhausted from the discharge port 9 of the suction tool 4 without being sufficiently removed (arrow H in FIG. 11). The dust that has passed through the suction tool 4 is removed by the paper pack type filter of the cleaner body 11 and accommodated in the filter.
  • the amount of dust accommodated in the paper pack type filter is smaller than that in the case of the electric vacuum cleaner in which the cyclone suction tool 4 is not provided. That is, by providing the cyclone suction tool 4, the replacement frequency of the paper pack filter can be increased. As a result, an economically advantageous vacuum cleaner can be realized.
  • the configuration of the conventional suction tool 4 may include fine dust that has not been separated by being mixed with relatively large dust such as cotton dust in the dust accommodated in the suction tool 4. Therefore, when dust such as dust stored in the suction tool 4 is thrown away, fine dust is scattered, which is not preferable in terms of hygiene.
  • the present invention provides a suction tool capable of suppressing the scattering of fine dust in a dust discharge process, and a vacuum cleaner provided with the suction tool.
  • the suction tool of the present invention includes a case upper portion having an inlet for generating a swirling airflow in air containing dust, and a substantially cylindrical filter that is provided below the case upper portion and filters dust from the air. .
  • the suction tool is provided below the upper part of the case, and includes a dust container that functions as a discharge lid configured to be openable and closable so as to store the dust collected by the filtration filter and discharge the dust.
  • the suction tool has a lower part of the case having a space communicating with the inner peripheral side of the filtration filter on the outer peripheral side of the filtration filter, and air from which dust has been filtered by the filtration filter to the outside of the lower part of the case through the space.
  • a discharge port for discharging is provided.
  • air containing dust flowing in from the inlet is given a swirling airflow component at the upper part of the case.
  • the air is filtered by the filtration filter while swirling and descending the inner surface of the filtration filter.
  • the relatively large dust separated by filtration is guided to the dust container.
  • the user opens the dust container that functions as a discharge lid and discharges the dust.
  • the dust accommodating portion since only a relatively large amount of dust is accommodated in the dust accommodating portion, it is possible to suppress the scattering of small dust during discharge. Further, since dust sticking to the filtration filter is reduced, the dust can be discharged cleanly and easily.
  • the electric vacuum cleaner of the present invention includes a dust collector that collects dust, a vacuum cleaner main body having an electric blower, and the suction tool.
  • FIG. 1 is a schematic external view of a suction tool and a vacuum cleaner to which the suction tool is connected in the embodiment of the present invention.
  • FIG. 2 is an external view of the suction tool.
  • FIG. 3 is a side view of the suction tool.
  • 4 is a cross-sectional view taken along line 4-4 of FIG.
  • FIG. 5 is a top view of the suction tool.
  • 6 is a cross-sectional view taken along line 6-6 of FIG.
  • FIG. 7 is a schematic diagram for explaining the behavior of the swirling airflow and dust in the suction tool.
  • FIG. 8 is a view showing a photograph of a lump of dust captured by the suction tool.
  • FIG. 9 is a view showing a state when dust is discharged from the suction tool.
  • FIG. 10 is a schematic view of a vacuum cleaner using a conventional suction tool.
  • FIG. 11 is a cross-sectional view of the suction tool.
  • FIG. 1 is a schematic external view of a suction tool and a vacuum cleaner to which the suction tool is connected in the embodiment of the present invention.
  • FIG. 2 is an external view of the suction tool.
  • FIG. 3 is a side view of the suction tool.
  • 4 is a cross-sectional view taken along line 4-4 of FIG.
  • FIG. 5 is a top view of the suction tool.
  • 6 is a cross-sectional view taken along line 6-6 of FIG.
  • FIG. 7 is a schematic diagram for explaining the behavior of the swirling airflow and dust in the suction tool.
  • FIG. 8 is a view showing a photograph of a lump of dust captured by the suction tool.
  • FIG. 9 is a view showing a state when dust is discharged from the suction tool.
  • the electric vacuum cleaner of the present embodiment includes a nozzle 22 having a suction port 23, an extension tube 20, a suction tool 19, a suction hose 18, a cleaner main body 11, and the like.
  • the suction hose 18, the suction tool 19, and the extension pipe 20 are sequentially connected to the cleaner body 11.
  • the nozzle 22 is attached to the tip of the extension tube 20.
  • the vacuum cleaner body 11 incorporates an electric blower 12 that generates a suction airflow.
  • the cleaner body 11 includes wheels 13 and casters 14 on the bottom side. The cleaner body 11 can freely move on the floor surface by the wheels 13 and the casters 14.
  • a paper pack filter 15 constituting a dust collecting part is detachably disposed on the cleaner body 11 on the upstream side of the electric blower 12. Air containing dust sucked by the electric blower 12 is introduced into the paper pack filter 15 to separate and collect dust contained in the air.
  • the vacuum cleaner sucks dust on the floor to be cleaned, for example, from the suction port 23 of the nozzle 22 through the operation of the electric blower 12 built in the vacuum cleaner body 11.
  • the electric vacuum cleaner of the present embodiment is configured.
  • the suction tool 19 of the present embodiment includes a case upper part 30, a substantially cylindrical (including a cylindrical shape) filtration filter 31, a case lower part 32, a dust container 33, and the like.
  • the upper part 30 of the case is entirely or at least partially made of a material having optical transparency with respect to visible light, such as polycarbonate or ABS (acrylonitrile butadiene styrene) resin. Accordingly, the user can easily visually check the amount of dust stored in the dust storage portion 33. As a result, the user can discharge dust at an appropriate timing.
  • a material having optical transparency with respect to visible light such as polycarbonate or ABS (acrylonitrile butadiene styrene) resin.
  • the case upper part 30 includes an introduction port 34 provided on the outer peripheral surface and a hollow cylinder 35 (see FIG. 6) provided inside.
  • the introduction port 34 introduces air containing dust into the hollow cylinder 35 of the case upper portion 30.
  • the introduction port 34 is arranged at an eccentric position with respect to the hollow cylinder 35 of the case upper part 30. Therefore, the air containing dust flows from the tangential direction of the circumferential cross section of the hollow cylinder 35. Due to the arrangement of the introduction port 34, the air flowing into the hollow cylinder 35 flows along the inner peripheral surface of the hollow cylinder 35. As a result, the linear airflow flowing into the introduction port 34 is changed into a swirling airflow in the hollow cylinder 35.
  • the configuration in which the introduction port 34 is arranged in the tangential direction of the inner peripheral surface of the hollow cylinder 35 of the case upper portion 30 to generate the swirling airflow has been described as an example, but the present invention is not limited thereto.
  • the introduction port 34 may be arranged toward the center (center) of the hollow cylinder 35 instead of the above-described eccentric position.
  • the filtration filter 31 is formed in a substantially cylindrical shape (including a cylindrical shape) having a plurality of ventilation holes (not shown), and is disposed in the case lower portion 32 below the case upper portion 30. As shown in FIG. 6, the filtration filter 31 is disposed so as to coincide with the inner periphery of the hollow cylinder 35 of the case upper portion 30. At this time, the air that has flowed into the hollow cylinder 35 flows out from the inner peripheral side to the outer peripheral side through the vent hole of the cylindrical filter 31. The outflowed air flows from the discharge port 41 to the electric blower 12 side through the space 40 formed between the outer peripheral side of the cylindrical filter 31 and the outer peripheral side surface of the case lower part 32.
  • the filtration filter 31 of the suction tool 19 of the present embodiment includes a plurality of ventilation holes (not shown) on the entire outer periphery.
  • the air that has flowed into the suction tool 19 is configured to flow from the vent hole of the filtration filter 31 to the discharge port 41 through the space 40 formed on the outer peripheral side of the filtration filter 31.
  • the air which flowed out from the discharge outlet 41 of the suction tool 19 is introduce
  • the dust container 33 is disposed below the case upper portion 30 and at the lowest position of the suction tool 19.
  • the dust container 33 is formed in, for example, a cup shape having a substantially inverted bottom truncated cone shape (including a bottomed inverted truncated cone shape).
  • the dust container 33 includes a side inclined surface 43 and a bottom surface 33a. At this time, the inner diameter of the bottom surface 33 a of the dust container 33 is set smaller than the inner diameter of the filtration filter 31. Thereby, the side inclined surface 43 is formed.
  • the suction tool 19 of the present embodiment is configured.
  • the introduction port 34 is installed eccentrically in the tangential direction with respect to the inner peripheral surface of the hollow cylinder 35. Therefore, as shown by an arrow C in FIG. 4, the airflow that flows in from the introduction port 34 flows along the inner peripheral surface of the hollow cylinder 35. As a result, the flow of air that linearly flows from the inlet 34 toward the hollow cylinder 35 changes into a swirling airflow that flows along the inner peripheral surface of the hollow cylinder 35.
  • the filtration filter 31 is disposed below the case upper portion 30 having the introduction port 34. Therefore, as shown by arrow C in FIG. 6, the swirling airflow generates a swirling descending airflow of an oblique spiral trajectory that descends while swirling the inner peripheral surface of the filtration filter 31.
  • the swirling downward air flow causes dust-containing air to flow downward while sliding the surface of the filtration filter 31.
  • the suction pressure from the electric blower 12 is applied to the ventilation hole of the filtration filter 31. Therefore, in the present embodiment, the shape of the ventilation hole of the filtration filter 31 is such that the force applied to the dust satisfies the relationship of “flow pressure of the swirling downflow”> “suction pressure received from the ventilation hole of the filtration filter 31”. Or a hollow cylinder 35 having a cross-sectional shape.
  • the separated dust 42 swirls and descends in the hollow portion 31a of the filtration filter 31 along the flow of the swirling descending airflow. Thereafter, the dust 42 further swivels down to the dust accommodating portion 33 disposed below the hollow portion 31a.
  • the dust 42 swirling and descending reaches the vicinity of the center of the bottom surface 33 a while being moved toward the inside of the dust container 33 along the inclined side surface 43 of the dust container 33.
  • the dust is also affected by the swirling airflow in the dust container 33 because the airflow is swirling. That is, the dust 42 staying in the vicinity of the bottom surface 33a of the dust container 33 is biased and collected by the swirling airflow.
  • the collected dust 42 turns around the side inclined surface 43 on the inner peripheral side surface of the dust container 33.
  • the dust 42 itself also turns while performing the spinning operation.
  • the rotating dust 42 is entangled with each other in a felt shape due to friction between the hollow portion 31a and the inner wall surface of the inclined side surface 43 of the dust accommodating portion 33, and swirling airflow. And the tangled dust gradually becomes a lump shaped like a marimo, for example.
  • the hair / lint when the hair / lint is further sucked into the suction tool 19, it winds around the lump of dust 42, for example, like a spool. Thereby, the dust 42 becomes a lump like the marimo. At this time, the lump is tightened in a direction of twisting the lump itself by turning. As a result, as shown in FIG. 8, the lump grows while being clamped to a state where it is more difficult to collapse.
  • the dust container 33 of the present embodiment includes a hinge (not shown) and a buckle (not shown) in the outer portion of the dust container 33 as shown in FIG.
  • the dust accommodating part 33 is attached to the case lower part 32 of the suction tool 19 so that opening and closing is possible. Therefore, the dust container 33 also has a function as a discharge lid when the dust 42 is discharged.
  • the dust lump collected in the dust container 33 is discharged to the outside by opening the dust container 33 by the user's operation of the buckle of the dust container 33 constituting the discharge lid.
  • the vacuum cleaner provided with the suction tool 19 operates, and dust is discharged to the outside in a lump state.
  • the structure in which the dust cover 33 is also used as the discharge lid for discharging dust is described as an example, but the present invention is not limited to this.
  • a discharge lid may be separately provided on the upper surface of the case upper portion 30 or other places.
  • the discharge lid may be provided at an arbitrary location.
  • the dust 42 becomes a lump having a shape like marimo, for example. Therefore, the user can easily discharge the dust 42 without discharging the dust when the dust 42 is discharged. As a result, it is possible to provide a vacuum cleaner provided with a user-friendly suction tool 19.
  • the method for forming the filtration filter 31 is not particularly mentioned, but may be formed by the following method.
  • a plurality of air holes (not shown) having a diameter of about 0.2 mm are formed by etching a metal plate having a thickness of 0.15 mm.
  • an electrolytic polishing process is performed as a post-processing.
  • the roughness of the surface of the metal plate generated by the rolling formation, the edge of the opening of the air hole formed by the etching process, and the processing roughness of the inner surface of the air hole are flattened to, for example, submicron order. That is, the filtration filter 31 is configured by a metal filter having a plurality of vent holes formed by the above method.
  • the electrolytic polishing process improves the slipperiness of the surface of the filtration filter 31 and suppresses the dust 42 from being caught. Therefore, it becomes easier for the dust 42 to turn in the suction tool 19. Thereby, the degree to which the dust 42 becomes a lump improves. As a result, at the time of discharge, sticking of the dust 42 to the filtration filter 31 is suppressed. Moreover, it is suppressed that the lump of dust 42 spreads and spreads and falls. For this reason, the dust 42 can be smoothly discharged. As a result, the user-friendly suction tool 19 can be provided.
  • the dust container 33 has been described as an example of a cup shape having a substantially truncated cone shape with a bottom, but is not limited thereto.
  • the dust container 33 may be formed in a flat plate shape or a bottomed cylindrical shape.
  • the dust 42 is unlikely to become a mass like a marimo.
  • the processing roughness of the surface of the metal plate of the filtration filter 31 is flattened to the submicron order. Therefore, the dust 42 is always affected by the swirling airflow and continues to swirl, and sticking to the filtration filter 31 is suppressed. That is, the difficulty in discharging due to the dust 42 sticking to the filtration filter 31 is effectively suppressed, and the dust 42 can be easily discharged. Thereby, the user-friendly suction tool 19 can be provided.
  • the dust 42 collected in the dust container 33 is a relatively large dust 42 that is not filtered by the filtration filter 31 (cannot pass through the vent hole). That is, fine dust is not collected in the dust container 33. Therefore, when dust is discharged from the suction tool 19, fine dust does not rise. As a result, a clean discharge operation without dust scattering around is possible.
  • all or a part of the case upper portion 30 of the suction tool 19 is configured by a member having a light transmission property for at least visible light, and the amount of dust accommodated in the dust accommodating portion 33 is determined.
  • the structure which can be visually observed was demonstrated to the example, it is not restricted to this.
  • the case lower portion 32 and the dust accommodating portion 33 may be entirely or partially formed of a member having the same light transmittance. Thereby, it is easy to determine the timing of dust discharge, and it is possible to provide a user-friendly suction tool 19.
  • the discharge port 41 of the suction tool 19 is connected to the tip of the suction hose 18 connected to the cleaner body 11, and the introduction port 34 of the suction tool 19 is connected to the nozzle 22 at the tip. Is connected to the other end of the extension tube 20 to which is connected.
  • the cleaner body 11 when the cleaner body 11 is operated, first, the large dust 42 is captured by the suction tool 19. Fine dust that could not be captured by the suction tool 19 is collected by a paper pack filter 15 (dust collecting unit) provided in the cleaner body 11 on the downstream side. Therefore, the amount of dust collected by the paper pack filter 15 is greatly reduced as compared with a vacuum cleaner having no suction tool 19. Thereby, the replacement frequency of the user's paper pack filter 15 can be reduced. As a result, it is possible to provide a vacuum cleaner that is economical and has a low running cost. In addition, high suction performance can be maintained over a long period of time.
  • the suction tool of the present invention is provided at the upper part of the case having an inlet for generating a swirling airflow in the dust-containing air, and below the upper part of the case, and substantially filters dust from the air.
  • a cylindrical filter is provided.
  • the suction tool is provided below the upper part of the case, and includes a dust container that functions as a discharge lid configured to be openable and closable so as to store the dust collected by the filtration filter and discharge the dust.
  • the suction tool has a lower part of the case having a space communicating with the inner peripheral side of the filtration filter on the outer peripheral side of the filtration filter, and air from which dust has been filtered by the filtration filter to the outside of the lower part of the case through the space.
  • a discharge port for discharging is provided.
  • air containing dust flowing in from the inlet is given a swirling airflow component at the upper part of the case.
  • the air is filtered by the filtration filter while swirling and descending the inner surface of the filtration filter. Only relatively large dust that is not filtered by the filtration filter is guided to the dust container. At this time, since the large dust swirls on the inner surface of the filtration filter, it is difficult to stick to the filtration filter. Thereafter, the user opens the dust container that functions as a discharge lid and discharges the dust.
  • the suction tool of the present invention is detachably configured on the suction hose, extension pipe, and nozzle of the vacuum cleaner. Thereby, the user-friendly suction tool which can be attached to various vacuum cleaners can be provided.
  • the suction tool of the present invention at least one of the upper part of the case, the lower part of the case, and the dust container, or a part thereof, is constituted by a light-transmitting member.
  • the user can visually confirm the amount of dust collected through the parts formed of the light-transmitting members or the light-transmitting members of those parts. Therefore, the user can discharge the dust accumulated at an appropriate time. Thereby, the fall of the suction power of the vacuum cleaner by the excessive dust can be avoided. As a result, the vacuum cleaner can be used while maintaining a high performance.
  • the dust container is substantially formed of a bottomed inverted truncated cone, and the inner diameter of the bottom surface is smaller than the inner diameter of the filtration filter.
  • the dust is guided to the dust container while turning down on the surface of the filter. Then, it accumulates near the bottom center of the dust container along the inclined side surface of the dust container. At this time, the dust accumulated in the center continues to swirl like a conical pendulum while spinning itself by the swirling airflow generated in the hollow portion of the filtration filter. Then, the sequentially flowing dust is entangled with the spinning dust.
  • lint such as hair wraps around dust like a spool.
  • the dust gradually swells in a ball shape like Marimo.
  • the dust is entangled with each other and wound around the hair. Therefore, when throwing away dust, dust does not fall. Therefore, dust scattering can be more reliably prevented. As a result, the dust can be discharged more cleanly and easily.
  • the filtration filter of the suction tool of the present invention has a vent hole.
  • the ventilation hole is formed by etching or punching a metal plate.
  • the filtration filter is formed of a metal filter whose surface roughness is flattened in the submicron order by electrolytic polishing or chemical polishing. According to this configuration, dust is not caught on the filtration filter by the smooth surface of the filtration filter. Therefore, the dust swirls in a conical pendulum shape while the dust itself spins smoothly by the swirling airflow generated in the hollow portion of the filtration filter. Thereby, dust itself becomes more entangled. In addition, the dust can be effectively prevented from being entangled in the vent hole by spin behavior in the vent hole of the filtration filter.
  • the electric vacuum cleaner of the present invention includes a dust collector that collects dust, a vacuum cleaner main body having an electric blower, and the suction tool.
  • the suction tool makes it easy to dispose of dust, and the paper pack filter in the cleaner body is less frequently replaced. Thereby, an easy-to-use vacuum cleaner can be provided.
  • the suction tool of the present invention can easily prevent the dust from being scattered when the dust is discarded, and can easily perform the discharge process. Therefore, it can be applied to various types of vacuum cleaners such as commercial vacuum cleaners as well as household vacuum cleaners that require a user-friendly suction tool.

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

Abstract

L'invention concerne un dispositif d'aspiration (19) comprenant : une section de boîtier supérieure (30) comportant une ouverture d'admission (34) qui génère un cyclone dans de l'air contenant de la poussière ; et un filtre (31), disposé au-dessous de la section de boîtier supérieure (30), qui filtre et piège la poussière à partir de l'air. Le dispositif d'aspiration (19) comprend également un bac à poussière (33), disposé au-dessous de la section de boîtier supérieure (30), qui contient la poussière et fonctionne comme un couvercle de vidange (33). Le dispositif d'aspiration (19) comprend en outre : une section de boîtier inférieure (32) comprenant un espace (40) qui communique avec le filtre (31) ; et un orifice de passage d'échappement (41) à travers lequel de l'air à partir duquel la poussière a été filtrée sort de la section de boîtier inférieure (32) en passant par l'espace (40). Ceci permet une dispersion réduite de la poussière lors de la vidange de l'aspirateur.
PCT/JP2017/045644 2017-03-14 2017-12-20 Dispositif d'aspiration et aspirateur électrique l'utilisant Ceased WO2018168142A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019505716A JPWO2018168142A1 (ja) 2017-03-14 2017-12-20 吸込み具とそれを用いた電気掃除機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017048075 2017-03-14
JP2017-048075 2017-03-14

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WO2018168142A1 true WO2018168142A1 (fr) 2018-09-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114052600A (zh) * 2021-12-17 2022-02-18 珠海格力电器股份有限公司 清洁设备及其集污箱

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004089703A (ja) * 2003-08-01 2004-03-25 Sharp Corp 電気掃除機
JP2009061311A (ja) * 2006-03-31 2009-03-26 Panasonic Corp 電気掃除機
JP2012013541A (ja) * 2010-06-30 2012-01-19 Nagoya Univ アトマイザー

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004089703A (ja) * 2003-08-01 2004-03-25 Sharp Corp 電気掃除機
JP2009061311A (ja) * 2006-03-31 2009-03-26 Panasonic Corp 電気掃除機
JP2012013541A (ja) * 2010-06-30 2012-01-19 Nagoya Univ アトマイザー

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114052600A (zh) * 2021-12-17 2022-02-18 珠海格力电器股份有限公司 清洁设备及其集污箱

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