US20040194249A1 - Bagless vacuum cleaner - Google Patents

Bagless vacuum cleaner Download PDF

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Publication number
US20040194249A1
US20040194249A1 US10/675,498 US67549803A US2004194249A1 US 20040194249 A1 US20040194249 A1 US 20040194249A1 US 67549803 A US67549803 A US 67549803A US 2004194249 A1 US2004194249 A1 US 2004194249A1
Authority
US
United States
Prior art keywords
filter
main body
vacuum cleaner
opening
mounting
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.)
Abandoned
Application number
US10/675,498
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English (en)
Inventor
Hyun-Ju Lee
Dong-Hun Yoo
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.)
Samsung Electronics Co Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to SAMSUNG GWANGJU ELECTRONICS CO. LTD. reassignment SAMSUNG GWANGJU ELECTRONICS CO. LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, HYUN-JU, YOO, DONG-HUN
Publication of US20040194249A1 publication Critical patent/US20040194249A1/en
Abandoned 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
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • 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
    • A47L9/12—Dry filters

Definitions

  • the present invention relates generally to a vacuum cleaner, and more particularly to a bagless vacuum cleaner which can completely filter out dust, dirt and debris, and which enables a user to easily remove collected dust and to clean a filter, without the need to replace the dust filter.
  • a conventional vacuum cleaner comprises a main body 201 , a flexible hose 210 , an extended tube 212 , an operation handle 221 provided with a switch 220 , and a brush 230 .
  • the main body 201 includes a motor (not shown) for generating a suction force, a filter mounting 204 , a replaceable paper bag 205 , a main body cover 203 and wheels 202 .
  • the motor (not shown) is mounted in the rear part of the main body 201 .
  • the main body cover 203 has an air suction hole 206 for suction of air into the main body.
  • the filter mounting 204 is provided in the front part of the main body 201 and receives the paper bag 205 . It is typical to provide at least one pair of wheels 202 for easily moving the main body 201 of the vacuum cleaner.
  • One end of the flexible hose 210 is connected to the air suction hole 206 , while the other end is connected to the operation handle 221 .
  • the operation handle 221 is provided with the switch 220 for selectively operating or stopping operation of the vacuum cleaner.
  • the extended tube 212 has one end connected to the operation handle 221 and the other connected to the brush 230 .
  • the brush 230 tightly contacts a dirty floor to be cleaned and drawn in air containing any bits of dust, dirt and debris by the suction force generated by the vacuum cleaner.
  • the air is drawn into the main body 201 through the extended tube 212 and the flexible hose 210 .
  • the air including the entrained dust, dirt and debris, is filtered so that only clean air with dust removed is vented out from the main body 201 through the motor.
  • the present invention has been made to solve the above-mentioned problems occurring in conventional vacuum cleaners, and one object of the present invention is to provide a bagless vacuum cleaner which eliminates the need to replace a filter.
  • Another object of the present invention is to provide a bagless vacuum cleaner, which can sufficiently remove dust, dirt and debris by filtering the air containing dust in successive filtering operations.
  • Still another object of the present invention is to provide a bagless vacuum cleaner having an easily detachable filter assembly, which can prevent operation of the vacuum cleaner when the filter assembly is incompletely assembled.
  • a vacuum cleaner comprising: a brush; a driving motor for generating a suction force; a main body including said driving motor and a filter mounting; a dust suction tube having one end connected to said filter mounting and the other end connected to said brush; a filter assembly mounted within said filter mounting to filter out dust from external air drawn into the main body through said dust suction tube and said brush; and a main body cover coupled with the filter assembly to facilitate the insertion and removal of the filter assembly into and from said filter mounting and being capable of locking to said main body.
  • the filter assembly comprises: a filter housing having an opening; a first filter unit locked into the filter housing; and a second filter unit placed between and endwall of the filter housing and the first filter unit.
  • the filter housing includes an engagement loop connected to the main body cover and a safety lever for preventing the filter assembly from being mounted into the filter mounting when the first filter unit is not completely locked into the filter housing.
  • the filter housing further comprises an opening cover for selectively opening and closing said opening.
  • the second filter unit should include a second filter; a second filter holder for supporting the second filter; and a filter net enclosing the second filter within the second filter holder.
  • the first filter unit preferably includes a first filter and a first filter holder for supporting the first filter.
  • a bagless vacuum cleaner comprising: a brush; a driving motor for generating a suction force; a main body including said driving motor and a filter mounting; a dust suction tube having one end connected to said filter mounting and the other end connected to said brush; a cyclone dust collector provided in said dust suction tube for separating the dust from air drawn in by circulating the air within the cyclone dust collector; a filter assembly mounted within said filter mounting and comprising a filter housing, a first filter unit and a second filter unit to filter out dust and dirt from external air drawn into the main body through the dust suction tube and the brush; and a main body cover having first, second and third hooks, each of which are shaped and configured to engage the filter assembly, and a handle for facilitating the selective insertion and removal of the filter assembly into and from said filter mounting.
  • the handle of the main body cover has at least one hook which can be locked into corresponding locking grooves formed on the main body. Also, it is desirable to provide the filter assembly with a safety lever for preventing the filter assembly from being mounted into the filter mounting when incompletely assembled.
  • the filter housing of the filter assembly has an opening which exactly fits with the dust suction tube, an opening cover for selectively opening and closing said opening, an engagement loop shaped and configured to engage the first hook of the main body cover, and a plurality of locking jaws which can be engaged into the second and third hooks of the main body cover.
  • the bagless vacuum cleaner according to the present invention may comprise: a brush; a driving motor for generating a suction force; a main body including said driving motor, a filter mounting having a filter guide; a dust suction tube having one end connected to said filter mounting and the other end connected to said brush; a cyclone dust collector provided in said dust suction tube to remove dust from air drawn into the cyclone dust collector by circulating the air within the cyclone dust collector; a filter assembly mounted into said filter mounting and comprising a filter housing and a first filter unit locked into the filter housing; and a main body cover detachable from the filter assembly and the main body and provided with a handle.
  • the handle of the main body cover has a plurality of hooks which are shaped and configured to lock into locking grooves formed on the main body.
  • the filter assembly includes a support projection and at least one locker for holding a tool capable of cleaning the filter on one side thereof.
  • the bagless vacuum cleaner of the present invention produces the greatest filtering effect due to triple filtering by the filter assembly comprising the first and second filter units and the cyclone dust collector.
  • the filter assembly is semi-permanent, the user can reduce expenditures by not replacing filters.
  • the safety lever provided on the filter housing prevents any incomplete insertion of the filter assembly into the filter mounting and ensures complete filtration.
  • the bagless vacuum cleaner of the present invention connects the main body cover to the filter assembly and provides a handle on the main body cover, the user can easily insert and separate the filter assembly, without the need to touch the filter assembly. In other words, the user can insert and separate the filter assembly, without dirtying his or her hands.
  • the opening formed on the filter housing is automatically opened and closed by the opening cover. Since the filter assembly is inserted or separated according to the guide of a guide member, the opening of the filter housing can exactly fit to correspond with the air suction hole. When the filter assembly is separated, no dust or dirt from the filter assembly will be permitted to dirty the surroundings.
  • FIG. 1 is a perspective view of a conventional vacuum cleaner
  • FIG. 2 is a perspective view of a vacuum cleaner according to the present invention.
  • FIG. 3 is an exploded perspective view of a filter assembly of the bagless vacuum cleaner according to the present invention.
  • FIG. 4 is a perspective detail view of the filter housing shown in FIG. 3, which shows the configuration of a safety lever of the filter housing;
  • FIG. 5 is a perspective view in partial cross-section, taken approximately along line V-V of FIG. 3, which shows the engagement of the filter housing with a first filter unit;
  • FIG. 6 is a plan view showing the filter assembly being inserted into a filter mounting of the main body of the bagless vacuum cleaner according to the present invention, without being completely assembled;
  • FIGS. 7 to 9 illustrate the process of inserting a filter assembly into a filter mounting of the vacuum cleaner according to the present invention, wherein
  • FIG. 7 is a perspective view of the filter assembly before being inserted into the filter mounting
  • FIG. 8 is a partial perspective view showing the inside structure of the filter mounting.
  • FIG. 9 is a perspective view of the filter assembly after insertion into the filter mounting
  • FIGS. 10 to 12 illustrate the connection of the filter assembly and the main body cover and a process for providing the connection, wherein
  • FIG. 10 is a perspective view of the main body cover, including the filter housing of the filter assembly according to the present invention.
  • FIGS. 11 and 12 are representative views showing the stages of the process of connecting the filter housing of the filter assembly with the main body cover and the process of separating the two elements;
  • FIG. 13 is a perspective view of the main body with the main body cover closed, showing the connection of the handle provided on the main body cover to the main body.
  • FIG. 2 is a perspective view generally showing a bagless vacuum cleaner according to the present invention.
  • the bagless vacuum cleaner of the present invention comprises a main body 100 , a filter assembly 150 , a flexible hose 180 , a cyclone dust collector 190 , an extended tube 185 , a brush 187 and a handle 182 , including a switch 183 .
  • the flexible hose 180 and the extended tube 185 constitute a dust suction tube.
  • the main body 100 includes a main body cover 120 , at least one wheel 106 and a driving motor (not shown).
  • the main body 100 further includes a filter mounting 101 .
  • the main body cover 120 is provided with a cover handle 121 which is useful in inserting or removing the filter assembly 150 , fixed to the main body cover 120 into or from the filter mounting 101 .
  • the filter assembly 150 is shaped and configured for insertion into the filter mounting 101 . Since the extended tube 185 , brush 187 , handle 182 and flexible hose 180 are conventional elements and included in a conventional vacuum cleaner, as shown in FIG. 1, no further explanation will be made with respect to these elements.
  • FIG. 3 is an exploded perspective view showing the filter assembly of the bagless vacuum cleaner according to the present invention.
  • FIG. 4 is a perspective detail view of the filter housing shown in FIG. 3, which shows the configuration of a safety lever of the filter housing.
  • FIG. 5 is a perspective view in partial cross-section taken approximately along line V-V of FIG. 3, which shows the connection of the filter housing to a first filter unit.
  • FIG. 6 is a plan view showing the filter assembly being inserted into the filter mounting, without being completely assembled.
  • the filter assembly 150 (FIGS. 2 and 6) includes a filter housing 152 (FIGS. 3-5), a first filter unit 170 and a second filter unit 160 .
  • the filter housing 152 includes a safety lever 153 and an engagement loop 154 , respectively disposed at a lower part and an upper part thereof.
  • the filter housing 152 has an opening 155 formed at a sidewall through which external air is drawn in, and a plurality of engagement recesses 152 a formed in opposite sidewalls of the filter housing 152 contacting the first filter unit 170 .
  • the first filter unit 170 includes a first filter 171 and a first filter holder 172 .
  • the first filter 171 being a pleated filter, is nested within and supported by the first filter holder 172 .
  • the first filter holder 172 includes a plurality of laterally extending engagement projections 172 a which are shaped and configured to lock into the engagement recesses 152 a of the filter housing 152 .
  • the second filter unit 160 includes a second filter 161 and a second filter holder 162 .
  • the second filter 161 is generally made of a porous material, such as a sponge.
  • the second filter holder 162 preferably forms a plurality of windows 163 which are covered by a filter net 164 in a net form.
  • Assembly of the filter assembly 150 is completed by locking the engagement projections 172 a of the first filter unit 170 into the engagement recesses 152 a of the filter housing 152 , with the second filter unit 160 being disposed between an endwall of the filter housing 152 and the first filter unit 170 .
  • the filter assembly 150 is mounted into the filter mounting 101 (see FIG. 2 or 6 ) of the main body.
  • the safety lever 153 protrudes toward one side of the filter assembly 150 and interrupts the insertion of the filter assembly into filter mounting 101 on one sidewall as shown in FIG. 6, thereby preventing the filter assembly 150 from being inserted into the filter mounting 101 .
  • the safety lever 153 ensures that the device is operational only upon complete assembly of the filter assembly 150 .
  • the safety lever 153 has a locking projection 153 a which can be inserted into a hole 156 formed on a sidewall of the filter housing 152 .
  • the safety lever 153 with the locking projection 153 a is received within the filter housing 152 by the first filter holder 172 .
  • the safety lever 153 is placed within the filter housing 152 so that the filter assembly 150 can be fitted into the filter mounting 101 . If the filter assembly 150 is not completely or properly assembled, it cannot be fitted into the filter mounting 101 , thereby preventing incomplete filtering caused by incomplete assembly of the filter assembly 150 .
  • FIGS. 7 to 9 show the process of inserting the filter assembly 150 into the filter mounting 101 .
  • FIG. 7 shows the filter assembly 150 before being inserted into the filter mounting 101 .
  • FIG. 9 shows the filter assembly 150 after insertion into the filter mounting 101 .
  • FIG. 8 shows the inside structure of the filter mounting 101 .
  • the filter assembly 150 which is connected to the main body cover 120 , is inserted into or removed from the filter mounting 101 . It will be described below how to insertion of the filter assembly 150 , connected to the main body cover 120 , proceeds into the filter mounting 101 .
  • the user In order to insert the filter assembly 150 into the filter mounting 101 , the user should hold the handle 121 , provided on the main body cover 120 , and slidably insert down a second guide member 152 b , formed on the filter assembly 150 (FIG. 7), along the inside of a first guide member 103 formed in the filter mounting 101 (see FIG. 8). Before the filter housing 150 is inserted into the filter mounting 101 , an opening cover 158 covers the opening 155 formed on the filter housing 152 due to the elastic force of a spring 159 , as shown in FIG. 7.
  • the lower part of the opening cover 158 is interrupted by the top of a sealing member 102 (see FIG. 8) formed at one side of the filter mounting 101 .
  • the protruding top of sealing member 102 causes the opening corner 158 to lift up in the direction of arrow “D” in FIG. 9, overcoming the recovery force of an associated spring 159 holding the cover 158 closed, to open the opening 155 of the filter housing 152 .
  • the opening 155 of the filter housing 152 exactly fits with the air suction hole 104 (see FIG. 8) to provide the capability to connect to the flexible hose 180 (see FIG. 2).
  • the user can remove the filter assembly 150 out of the filter mounting 101 , holding the handle 121 on the main body cover 120 , for the purpose of cleaning the filter assembly 150 .
  • the opening cover 158 is released from contact with the sealing member 102 and returns to cover the opening 155 of the filter housing 152 by the return force of the spring 159 (see FIG. 7).
  • the opening 155 of the filter assembly 150 will automatically fit with the air suction hole 104 of the main body 100 .
  • the user needs only to lift up the main body cover 120 , holding the handle 121 .
  • the opening cover 158 will cover the opening 155 again to prevent dust particles from leaking out of the filter assembly 150 during the time that the filter assembly remains outside of the filter mounting 101 .
  • FIGS. 10 to 12 illustrate the connection between the filter assembly 150 and the main body cover 120 and a process for completing the connection.
  • FIG. 10 is a partially exploded perspective view of the main body cover 120 and the filter housing 152 for explaining the process for connecting the two elements.
  • FIGS. 11 and 12 are detail views showing the process of connecting the filter housing to the main body cover and the converse process of separating the two elements.
  • the main body cover 120 has first to third hooks 122 , 123 , 124 respectively, disposed at the bottom or endwall thereof.
  • the first hook 122 is formed at the center of one side of the bottom.
  • the second hook 123 and third hook 124 are formed at the other side of the bottom, spaced a predetermined distance apart from each other.
  • the first hook 122 is retained to be biased in the direction of arrow X in FIG. 10 by an elastic spring (not shown).
  • the filter housing 152 includes an engagement loop 154 disposed on the top thereof and has a plurality of locking jaws 157 formed on one surface at either upper side thereof.
  • the filter housing 152 forms a support projection 302 and a plurality of lockers 301 for holding a tool for cleaning the filter on one side thereof.
  • a brush 300 is illustrated as an example of the cleaning tool.
  • FIG. 11 shows in detail partial cross-section the connected state of the main body cover 120 and the filter housing 152 .
  • the main body cover 120 is pressed toward the filter housing 152 in the direction of arrow F, with the second and third hooks 123 , 124 being placed for engagement with the locking jaws 157 (FIG. 10), the first hook 122 can be engaged with the engagement loop 154 as shown in FIG. 11.
  • the user can easily separate the filter housing 152 from the main body cover 120 by lifting up the first hook 122 in the direction of arrow G in FIG. 12 thereby releasing the first hook 122 from the corresponding engagement loop 154 .
  • FIG. 13 shows the main body 100 for explaining the connection of the handle 121 provided on the main body cover 120 to the main body 100 .
  • a fourth hook 105 and a fifth hook 106 are formed at both sides of the handle 121 , and two corresponding grooves 107 are formed at corresponding positions on the main body 100 .
  • the filter assembly 150 is inserted in the filter mounting 101 and the handle 121 provided on the main body cover 120 is pushed down, the fourth and fifth hooks 105 , 106 will be locked into the grooves 107 , thereby connecting the handle 121 to the main body 100 in an out of the way position.
  • the handle 121 Since the handle 121 is connected to the main body 100 , the main body cover 120 will not be separated from the main body 100 even if the main body 100 is suddenly rotated during operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Suction Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
US10/675,498 2003-04-04 2003-09-30 Bagless vacuum cleaner Abandoned US20040194249A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2003-0021456A KR100485714B1 (ko) 2003-04-04 2003-04-04 백레스 진공청소기
KR2003-21456 2003-04-04

Publications (1)

Publication Number Publication Date
US20040194249A1 true US20040194249A1 (en) 2004-10-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10/675,498 Abandoned US20040194249A1 (en) 2003-04-04 2003-09-30 Bagless vacuum cleaner

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Country Link
US (1) US20040194249A1 (fr)
JP (1) JP3967707B2 (fr)
KR (1) KR100485714B1 (fr)
CN (1) CN1303932C (fr)
AU (1) AU2003257527B2 (fr)
CA (1) CA2450058C (fr)
DE (1) DE102004001028A1 (fr)
ES (1) ES2265709B1 (fr)
FR (1) FR2853220B1 (fr)
GB (1) GB2400020B (fr)
IT (1) ITTO20040057A1 (fr)
RU (1) RU2254799C1 (fr)

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US20120222243A1 (en) * 2011-03-03 2012-09-06 G.B.D. Corp. Filter housing construction for a surface cleaning apparatus
US20120222247A1 (en) * 2011-03-03 2012-09-06 G.B.D. Corp. Filter housing for a surface cleaning apparatus
US20120222251A1 (en) * 2011-03-04 2012-09-06 G.B.D. Corp. Compact surface cleaning apparatus
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US8973214B2 (en) 2011-03-03 2015-03-10 G.B.D. Corp. Cyclone chamber and dirt collection assembly for a surface cleaning apparatus
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US10548442B2 (en) 2009-03-13 2020-02-04 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US11690489B2 (en) 2009-03-13 2023-07-04 Omachron Intellectual Property Inc. Surface cleaning apparatus with an external dirt chamber
US11751733B2 (en) 2007-08-29 2023-09-12 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
USD998923S1 (en) * 2022-01-11 2023-09-12 Beijing Roborock Technology Co., Ltd. Dust filter for cleaning robot
US12048409B2 (en) 2007-03-11 2024-07-30 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US12220099B2 (en) 2006-12-12 2025-02-11 Omachron Intellectual Property Inc. Surface cleaning apparatus
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CN101785649B (zh) * 2010-01-08 2011-08-17 周丽君 吸尘器进气管与集尘管连接的盖板接头
CN104172987A (zh) * 2013-05-24 2014-12-03 乐金电子(天津)电器有限公司 吸尘器过滤盒
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GB2400020B (en) 2005-02-16
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RU2254799C1 (ru) 2005-06-27
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RU2003135429A (ru) 2005-05-10
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FR2853220A1 (fr) 2004-10-08
JP3967707B2 (ja) 2007-08-29
CN1535642A (zh) 2004-10-13
CA2450058A1 (fr) 2004-10-04
FR2853220B1 (fr) 2007-02-16
GB0328434D0 (en) 2004-01-14
CA2450058C (fr) 2007-05-01
ITTO20040057A1 (it) 2004-05-05
DE102004001028A1 (de) 2004-10-21
KR100485714B1 (ko) 2005-04-28
AU2003257527B2 (en) 2005-07-07

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