US20020011052A1 - Cyclone dust collecting apparatus for a vacuum cleaner - Google Patents
Cyclone dust collecting apparatus for a vacuum cleaner Download PDFInfo
- Publication number
- US20020011052A1 US20020011052A1 US09/755,557 US75555701A US2002011052A1 US 20020011052 A1 US20020011052 A1 US 20020011052A1 US 75555701 A US75555701 A US 75555701A US 2002011052 A1 US2002011052 A1 US 2002011052A1
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- US
- United States
- Prior art keywords
- cyclone body
- dust
- contaminants
- air
- cyclone
- 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.)
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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
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
-
- 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
- A47L9/165—Construction of inlets
-
- 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
- A47L9/1658—Construction of outlets
-
- 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
- A47L9/1683—Dust collecting chambers; Dust collecting receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/03—Vacuum cleaner
Definitions
- This invention relates to a vacuum cleaner, and more particularly, to a cyclone dust collecting apparatus for the vacuum cleaner for centrifuging and collecting contaminants entrained in sucked air.
- a vacuum cleaner includes a suction brush movably connected to a cleaner body, which moves along the cleaning surface during the cleaning process.
- the cleaner body has a dust collecting chamber with a detachable dust filter disposed inside, and a motor operating chamber including a motor for generating a suction force.
- the motor When the motor operates, it generates a strong suction force at the suction brush. Accordingly, contaminants, such as dust or dirt, on the cleaning surface are drawn in together with air into the cleaner body. The contaminants entrained in the air are filtered through a dust filter disposed in the dust collecting chamber of the cleaner body, and the clean air is discharged back into the environment through the motor operating chamber.
- a conventional vacuum cleaner collects contaminants by using an expendable dust filter. When the dust filter is filled with contaminants, the dust filter must be replaced manually. Replacing the dust filter manually is inconvenient and results in poor sanitation conditions.
- the present invention has been made to overcome the above-mentioned problems of the related art. Accordingly, it is an object of the present invention to provide a cyclone dust collecting apparatus for a vacuum cleaner for centrifuging and collecting contaminants entrained in the air that is sucked into the vacuum cleaner through a suction brush.
- a cyclone dust collecting apparatus for the vacuum cleaner including a hollow cylindrical cyclone body having open upper and lower ends, and a dust discharge port located proximate the lower end for receiving contaminants that are separated from the air by centrifugal force and discharged from the cyclone body.
- the apparatus further includes a dust receptacle connected to the cyclone body. The dust receptacle collects the contaminants from the cyclone body through the dust discharge port.
- a base member is connected to and closes the lower end of the cyclone body and the dust receptacle, and a cover is removably connected to the upper end of the cyclone body and the dust receptacle.
- the cover has an air intake channel for drawing outside air and contaminants into the cyclone body and an air discharge channel for discharging clean air from the cyclone body.
- the apparatus further includes a backflow prevention means for guiding contaminants that are discharged from the cyclone body into the dust receptacle and preventing a backflow of the contaminants collected in the dust receptacle from returning to the cyclone body.
- FIG. 1 is a perspective view schematically showing a vacuum cleaner having a cyclone dust collecting device according to a preferred embodiment of the present invention
- FIG. 2 is a perspective view schematically showing the cyclone dust collecting device from FIG. 1 and
- FIG. 3 is a plan view showing a cyclone body and a dust receptacle of the cyclone dust collecting device from FIG. 2.
- FIG. 1 is a perspective view showing a vacuum cleaner having a cyclone dust collecting device in accordance with a preferred embodiment of the present invention.
- the vacuum cleaner includes a cleaner body 1 , a suction brush 3 movably connected to the cleaner body 1 , and a cyclone dust collecting device 5 .
- the cleaner body 1 has a dust collecting chamber 1 a in which the cyclone dust collecting device 5 is placed, and a motor operating chamber (not shown) in which a motor is installed.
- the motor operating chamber is disposed under the dust collecting chamber 1 a and communicates via a discharge pipe 4 with the dust collecting chamber 1 a .
- the motor (not shown) generates a strong suction force that enables the suction brush 3 to draw in contaminants on the cleaning surface.
- the suction brush 3 is connected via a suction pipe 2 to the dust collecting device 5 in the dust collecting chamber 1 a.
- the cyclone dust collecting device 5 centrifuges and collects contaminants drawn in with the air through the suction brush 3 .
- the cyclone dust collecting device 5 is detachably placed in the dust collecting chamber 1 a .
- the cyclone dust collecting device 5 includes a cyclone body 11 , a dust receptacle 13 , a base member 15 , a cover 17 , and a backflow prevention means.
- the cyclone body 11 is a hollow cylinder with open upper and lower ends.
- the cyclone body 11 has a predetermined inner diameter, and a dust discharge port 11 a of a predetermined size. Air and contaminants drawn in through the suction brush 3 enter the upper end of the cyclone body, where they are induced into a vortex and separated by centrifugation. The contaminants are then discharged through the dust discharge port 11 a .
- Outlines 11 b and 11 c of the dust discharge port 11 a have different radiuses of curvature from the radius of curvature of the cyclone body 11 .
- the radius of curvature of the soft outline 11 b that extends to the dust receptacle 13 is greater than the radius of curvature of the cyclone body 11 , thereby effectively guiding contaminants in a direction toward the dust receptacle 13 .
- the radius of curvature of the bent outline 11 c is less than the radius of curvature of the cyclone body 11 , thereby enlarging the outlet to effectively guide as many contaminants as possible through the dust discharge port 11 a.
- Contaminants discharged from the cyclone body 11 through the dust discharge port 11 a are collected and placed in the dust receptacle 13 , which is located adjacent to the cyclone body 11 .
- the dust receptacle 13 surrounds a portion of the cyclone body 11 . More specifically, the hollow cylindrical dust receptacle 13 is preferably integrally formed with the cyclone body 11 and has a height identical to that of the cyclone body 11 .
- the cyclone body 11 and the dust receptacle 13 communicate with each other through the dust discharge port 11 a .
- the dust receptacle 13 is formed from the extended soft outline 11 b in the cyclone body 11 .
- the base member 15 of the cyclone dust collecting device 5 is connected to and closes the lower end of both the cyclone body 11 and the dust receptacle 13 .
- the base member 15 is preferably integrally formed with the cyclone body 11 and the dust receptacle 13 .
- the cover 17 is removably coupled to and covers the upper end of both the cyclone body 11 and the dust receptacle 13 .
- the cover 17 includes an air intake channel 17 a and an air discharge channel 17 b , both of which communicate with the cyclone body 11 .
- the air intake channel 17 a is connected to the suction pipe 2 , which draws air and contaminants through the suction brush 3 .
- the air intake channel 17 a extends toward, but is offset from, the center of the upper end of the cyclone body 11 , as illustrated in FIG. 2, in order to induce the air that is brought into the cyclone body 11 into a vortex.
- the air discharge channel 17 b extends from approximately the center of the cover 11 to a side of the cover.
- the air discharge channel 17 b is connected to the discharge pipe 4 and communicates with the motor operating chamber.
- the air discharge channel 17 b discharges clean air that has been centrifuged and separated from the contaminants back into the environment.
- the backflow prevention means of the dust collecting device 5 retains the contaminants that are discharged from the cyclone body 11 in the dust receptacle 13 and prevents the collected contaminants from returning to the cyclone body 11 .
- the backflow prevention device includes a guide member 19 that extends from an outline of the dust discharge port 11 a inward to the dust receptacle 13 . As shown in FIG. 3, the guide member 19 is disposed at an acute angle with respect to the outer circumference of the cyclone body 11 . In addition, the guide member 19 is disposed adjacent to the bent outline 11 c , which is located in the downstream region of the vortex flow.
- the guide member 19 extends from the cover 17 to the base member 15 , in order to prevent backflow along the entire length of the dust receptacle 13 . Furthermore, the guide member 19 is preferably made of an elastic material, such as a film that is flexible under a discharge pressure from the dust discharge port 11 a . The guide member 19 is attached using an adhesive, such as a bond, to the outside of the cyclone body 11 proximate the dust discharge port 11 a . The guide member 19 has a certain radius of curvature that corresponds to the outer circumference of the cyclone body 11 .
- the radius of curvature of the guide member 19 enables effective guiding of the contaminants discharged from the dust discharge port 11 a into the dust receptacle 13 and prevents the backflow of the collected contaminants into the cyclone body 11 by preventing reverse deformation of the guide member 19 .
- the cyclone dust collecting device 5 further includes a handle 12 that is formed on the outer surface of the cyclone body 11 , as shown in FIG. 2.
- the guide member 19 blocks the path to prevent the contaminants from returning to the cyclone body 11 through the dust discharge port 11 a.
- Clean air which has been separated from the contaminants, is discharged through the air discharge channel 17 b , the discharging pipe 4 , the motor operating chamber of the cleaner body 1 , and outlets (not shown) into the environment.
- the cyclone dust collecting device 5 can be removed from the dust collecting chamber 1 a of the cleaner body 1 .
- the cover 17 of the dust collecting device 5 is then detached from the cyclone body 11 and the dust receptacle 13 , and the contaminants collected in the dust receptacle 13 may be dumped out.
- the above-described preferred embodiment of the present invention is for an upright-type vacuum cleaner.
- the cyclone dust collecting device 5 can also be applied to a canister-type vacuum cleaner, which is not shown in the drawings.
- the cyclone dust collecting device for a vacuum cleaner includes a guide member adjacent to the dust discharge port formed in the cyclone body.
- the guide member effectively directs contaminants through the dust discharge port and into the dust receptacle and prevents the backflow of contaminants into the cyclone body.
- the cyclone dust collecting device of the present invention increases the efficiency and performance of the vacuum cleaner.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Cyclones (AREA)
Abstract
Description
- 1. Field of the Invention
- This invention relates to a vacuum cleaner, and more particularly, to a cyclone dust collecting apparatus for the vacuum cleaner for centrifuging and collecting contaminants entrained in sucked air.
- 2. Description of the Related Art
- Generally, a vacuum cleaner includes a suction brush movably connected to a cleaner body, which moves along the cleaning surface during the cleaning process. The cleaner body has a dust collecting chamber with a detachable dust filter disposed inside, and a motor operating chamber including a motor for generating a suction force. When the motor operates, it generates a strong suction force at the suction brush. Accordingly, contaminants, such as dust or dirt, on the cleaning surface are drawn in together with air into the cleaner body. The contaminants entrained in the air are filtered through a dust filter disposed in the dust collecting chamber of the cleaner body, and the clean air is discharged back into the environment through the motor operating chamber.
- A conventional vacuum cleaner collects contaminants by using an expendable dust filter. When the dust filter is filled with contaminants, the dust filter must be replaced manually. Replacing the dust filter manually is inconvenient and results in poor sanitation conditions.
- The present invention has been made to overcome the above-mentioned problems of the related art. Accordingly, it is an object of the present invention to provide a cyclone dust collecting apparatus for a vacuum cleaner for centrifuging and collecting contaminants entrained in the air that is sucked into the vacuum cleaner through a suction brush.
- The above object is accomplished by providing a cyclone dust collecting apparatus for the vacuum cleaner including a hollow cylindrical cyclone body having open upper and lower ends, and a dust discharge port located proximate the lower end for receiving contaminants that are separated from the air by centrifugal force and discharged from the cyclone body. The apparatus further includes a dust receptacle connected to the cyclone body. The dust receptacle collects the contaminants from the cyclone body through the dust discharge port. A base member is connected to and closes the lower end of the cyclone body and the dust receptacle, and a cover is removably connected to the upper end of the cyclone body and the dust receptacle. The cover has an air intake channel for drawing outside air and contaminants into the cyclone body and an air discharge channel for discharging clean air from the cyclone body. The apparatus further includes a backflow prevention means for guiding contaminants that are discharged from the cyclone body into the dust receptacle and preventing a backflow of the contaminants collected in the dust receptacle from returning to the cyclone body.
- The above object and other features of the present invention will be clarified by the following description with the attached drawings, in which:
- FIG. 1 is a perspective view schematically showing a vacuum cleaner having a cyclone dust collecting device according to a preferred embodiment of the present invention;
- FIG. 2 is a perspective view schematically showing the cyclone dust collecting device from FIG. 1 and
- FIG. 3 is a plan view showing a cyclone body and a dust receptacle of the cyclone dust collecting device from FIG. 2.
- This invention of a cyclone dust collecting apparatus will be described in further detail by way of example with reference to the attached drawings.
- FIG. 1 is a perspective view showing a vacuum cleaner having a cyclone dust collecting device in accordance with a preferred embodiment of the present invention.
- Referring to FIG. 1, the vacuum cleaner includes a cleaner body1, a suction brush 3 movably connected to the cleaner body 1, and a cyclone
dust collecting device 5. - The cleaner body1 has a
dust collecting chamber 1 a in which the cyclonedust collecting device 5 is placed, and a motor operating chamber (not shown) in which a motor is installed. The motor operating chamber is disposed under thedust collecting chamber 1 a and communicates via adischarge pipe 4 with thedust collecting chamber 1 a. The motor (not shown) generates a strong suction force that enables the suction brush 3 to draw in contaminants on the cleaning surface. The suction brush 3 is connected via asuction pipe 2 to the dust collectingdevice 5 in thedust collecting chamber 1 a. - The cyclone dust collecting
device 5 centrifuges and collects contaminants drawn in with the air through the suction brush 3. The cyclone dust collectingdevice 5 is detachably placed in thedust collecting chamber 1 a. As shown in FIGS. 2 and 3, the cyclonedust collecting device 5 includes acyclone body 11, adust receptacle 13, abase member 15, acover 17, and a backflow prevention means. - The
cyclone body 11 is a hollow cylinder with open upper and lower ends. Thecyclone body 11 has a predetermined inner diameter, and adust discharge port 11 a of a predetermined size. Air and contaminants drawn in through the suction brush 3 enter the upper end of the cyclone body, where they are induced into a vortex and separated by centrifugation. The contaminants are then discharged through thedust discharge port 11 a.Outlines dust discharge port 11 a have different radiuses of curvature from the radius of curvature of thecyclone body 11. The radius of curvature of thesoft outline 11 b that extends to thedust receptacle 13 is greater than the radius of curvature of thecyclone body 11, thereby effectively guiding contaminants in a direction toward thedust receptacle 13. The radius of curvature of thebent outline 11 c is less than the radius of curvature of thecyclone body 11, thereby enlarging the outlet to effectively guide as many contaminants as possible through thedust discharge port 11 a. - Contaminants discharged from the
cyclone body 11 through thedust discharge port 11 a are collected and placed in thedust receptacle 13, which is located adjacent to thecyclone body 11. Thedust receptacle 13 surrounds a portion of thecyclone body 11. More specifically, the hollowcylindrical dust receptacle 13 is preferably integrally formed with thecyclone body 11 and has a height identical to that of thecyclone body 11. Thecyclone body 11 and thedust receptacle 13 communicate with each other through thedust discharge port 11 a. Thedust receptacle 13 is formed from the extendedsoft outline 11 b in thecyclone body 11. - The
base member 15 of the cyclonedust collecting device 5 is connected to and closes the lower end of both thecyclone body 11 and thedust receptacle 13. Thebase member 15 is preferably integrally formed with thecyclone body 11 and thedust receptacle 13. - The
cover 17 is removably coupled to and covers the upper end of both thecyclone body 11 and thedust receptacle 13. Thecover 17 includes anair intake channel 17 a and anair discharge channel 17 b, both of which communicate with thecyclone body 11. Theair intake channel 17 a is connected to thesuction pipe 2, which draws air and contaminants through the suction brush 3. Theair intake channel 17 a extends toward, but is offset from, the center of the upper end of thecyclone body 11, as illustrated in FIG. 2, in order to induce the air that is brought into thecyclone body 11 into a vortex. Theair discharge channel 17 b extends from approximately the center of thecover 11 to a side of the cover. Theair discharge channel 17 b is connected to thedischarge pipe 4 and communicates with the motor operating chamber. Theair discharge channel 17 b discharges clean air that has been centrifuged and separated from the contaminants back into the environment. - The backflow prevention means of the
dust collecting device 5 retains the contaminants that are discharged from thecyclone body 11 in thedust receptacle 13 and prevents the collected contaminants from returning to thecyclone body 11. The backflow prevention device includes aguide member 19 that extends from an outline of thedust discharge port 11 a inward to thedust receptacle 13. As shown in FIG. 3, theguide member 19 is disposed at an acute angle with respect to the outer circumference of thecyclone body 11. In addition, theguide member 19 is disposed adjacent to thebent outline 11 c, which is located in the downstream region of the vortex flow. Theguide member 19 extends from thecover 17 to thebase member 15, in order to prevent backflow along the entire length of thedust receptacle 13. Furthermore, theguide member 19 is preferably made of an elastic material, such as a film that is flexible under a discharge pressure from thedust discharge port 11 a. Theguide member 19 is attached using an adhesive, such as a bond, to the outside of thecyclone body 11 proximate thedust discharge port 11 a. Theguide member 19 has a certain radius of curvature that corresponds to the outer circumference of thecyclone body 11. Consequently, the radius of curvature of theguide member 19 enables effective guiding of the contaminants discharged from thedust discharge port 11 a into thedust receptacle 13 and prevents the backflow of the collected contaminants into thecyclone body 11 by preventing reverse deformation of theguide member 19. - The cyclone
dust collecting device 5 further includes ahandle 12 that is formed on the outer surface of thecyclone body 11, as shown in FIG. 2. - The operation of the cyclone dust collecting apparatus of the present invention will be described hereinafter:
- When the vacuum cleaner is operating, a strong suction force is generated at the suction brush3. Contaminants on the cleaning surface are drawn in along with air through the suction brush 3 and into the
cyclone body 11, through thesuction pipe 2 and theair intake channel 17 a. The sucked air is introduced diagonally by theair intake channel 17 a into thecyclone body 11 and subjected to a vortex flow, as indicated by the arrows in FIG. 3. The contaminants descend along the interior of thecyclone body 11. The centrifugal force of the vortex separates the contaminants from the air, and the contaminants are ejected through thedust discharge port 11 a into thedust receptacle 13. As the contaminants are collected in thedust receptacle 13, they pile up behind theguide member 19. The collected contaminants in thedust receptacle 13 move within thedust receptacle 13 in a turbulent manner due to the discharge pressure, however, theguide member 19 blocks the path to prevent the contaminants from returning to thecyclone body 11 through thedust discharge port 11 a. - Clean air, which has been separated from the contaminants, is discharged through the
air discharge channel 17 b, the dischargingpipe 4, the motor operating chamber of the cleaner body 1, and outlets (not shown) into the environment. - When the
dust receptacle 13 is full, the cyclonedust collecting device 5 can be removed from thedust collecting chamber 1 a of the cleaner body 1. Thecover 17 of thedust collecting device 5 is then detached from thecyclone body 11 and thedust receptacle 13, and the contaminants collected in thedust receptacle 13 may be dumped out. - The above-described preferred embodiment of the present invention is for an upright-type vacuum cleaner. However, the cyclone
dust collecting device 5 can also be applied to a canister-type vacuum cleaner, which is not shown in the drawings. - As described above in detail, the cyclone dust collecting device for a vacuum cleaner includes a guide member adjacent to the dust discharge port formed in the cyclone body. The guide member effectively directs contaminants through the dust discharge port and into the dust receptacle and prevents the backflow of contaminants into the cyclone body. Thus, the cyclone dust collecting device of the present invention increases the efficiency and performance of the vacuum cleaner.
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2000-43197 | 2000-07-26 | ||
KR10-2000-0043197A KR100437364B1 (en) | 2000-07-26 | 2000-07-26 | Cyclone dust-collecting apparatus for Vaccum Cleaner |
Publications (2)
Publication Number | Publication Date |
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US20020011052A1 true US20020011052A1 (en) | 2002-01-31 |
US6432154B2 US6432154B2 (en) | 2002-08-13 |
Family
ID=19680171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/755,557 Expired - Fee Related US6432154B2 (en) | 2000-07-26 | 2001-01-04 | Cyclone dust collecting apparatus for a vacuum cleaner |
Country Status (10)
Country | Link |
---|---|
US (1) | US6432154B2 (en) |
JP (1) | JP2002051947A (en) |
KR (1) | KR100437364B1 (en) |
CN (1) | CN1334061A (en) |
DE (1) | DE10058311C2 (en) |
EG (1) | EG22305A (en) |
FR (1) | FR2812184B1 (en) |
GB (1) | GB2364939B (en) |
NL (1) | NL1017219C2 (en) |
RU (1) | RU2182457C1 (en) |
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US20040139573A1 (en) * | 2001-01-12 | 2004-07-22 | Stephens Paul D. | Vacuum cleaner with noise suppression features |
US20040177472A1 (en) * | 2003-03-10 | 2004-09-16 | Lg Electronics Inc. | Dust collecting unit of vacuum cleaner |
EP1647218A2 (en) * | 2004-10-14 | 2006-04-19 | Samsung Gwangju Electronics Co., Ltd. | Cyclone dust-separating apparatus |
US20070012002A1 (en) * | 2005-07-12 | 2007-01-18 | Samsung Gwangju Electronics Co., Ltd. | Dust separating apparatus |
US20070199284A1 (en) * | 2006-02-24 | 2007-08-30 | Samsung Gwangju Electronics Co., Ltd. | Cyclone dust collecting apparatus for vacuum cleaner |
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US6596044B1 (en) * | 2000-03-06 | 2003-07-22 | The Hoover Company | Dirt collecting system for a vacuum cleaner |
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Also Published As
Publication number | Publication date |
---|---|
EG22305A (en) | 2002-12-31 |
KR100437364B1 (en) | 2004-06-25 |
GB0025164D0 (en) | 2000-11-29 |
KR20020009359A (en) | 2002-02-01 |
DE10058311C2 (en) | 2003-01-30 |
DE10058311A1 (en) | 2002-02-14 |
JP2002051947A (en) | 2002-02-19 |
FR2812184A1 (en) | 2002-02-01 |
GB2364939B (en) | 2002-06-26 |
NL1017219C2 (en) | 2002-01-29 |
GB2364939A (en) | 2002-02-13 |
RU2182457C1 (en) | 2002-05-20 |
US6432154B2 (en) | 2002-08-13 |
FR2812184B1 (en) | 2004-11-05 |
CN1334061A (en) | 2002-02-06 |
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