US20200093339A1 - Vacuum cleaner - Google Patents

Vacuum cleaner Download PDF

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Publication number
US20200093339A1
US20200093339A1 US16/619,623 US201816619623A US2020093339A1 US 20200093339 A1 US20200093339 A1 US 20200093339A1 US 201816619623 A US201816619623 A US 201816619623A US 2020093339 A1 US2020093339 A1 US 2020093339A1
Authority
US
United States
Prior art keywords
housing
flange
vacuum
neck region
shroud
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
US16/619,623
Other languages
English (en)
Inventor
Bradley Hooley
Shawn M. Whetstone
Katherine M. Morgan
Michael D. Young
Steven P. Martise
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.)
TTI Macao Commercial Offshore Ltd
Original Assignee
TTI Macao Commercial Offshore 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 TTI Macao Commercial Offshore Ltd filed Critical TTI Macao Commercial Offshore Ltd
Priority to US16/619,623 priority Critical patent/US20200093339A1/en
Assigned to TTI (MACAO COMMERCIAL OFFSHORE) LIMITED reassignment TTI (MACAO COMMERCIAL OFFSHORE) LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HOOLEY, BRADLEY, MARTISE, STEVEN P., MORGAN, KATHERINE M., WHETSTONE, SHAWN M., YOUNG, MICHAEL D.
Publication of US20200093339A1 publication Critical patent/US20200093339A1/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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/1608—Cyclonic chamber constructions
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • A47L9/1633—Concentric cyclones
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1641—Multiple arrangement thereof for parallel flow
    • 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
    • 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
    • A47L9/102—Dust separators
    • A47L9/104—Means for intercepting small objects

Definitions

  • the present invention relates to vacuum cleaners, particularly cyclonic vacuum cleaners.
  • a vacuum in one embodiment, includes a suction inlet and a suction source in fluid communication with the suction inlet.
  • the suction source includes a motor and a fan.
  • the vacuum also includes a dirt cup in fluid communication with the suction inlet and the suction source.
  • the dirt cup includes a first stage cyclonic separator and a dirt collection chamber.
  • a housing of the dirt cup includes a first end, a second end, and a neck region between the first end and the second end. The housing has an outer dimension that decreases in a direction from the first end toward the neck region and an outer dimension that decreases in a direction from the second end toward the neck region.
  • the dirt cup includes a shroud within the housing, and the shroud includes a flange that divides the housing at the neck region. The dirt collection chamber and at least a portion of the shroud are between the second end of the housing and the flange.
  • FIG. 1 is a perspective view of a vacuum cleaner including a dirt cup and a shroud according to one embodiment.
  • FIG. 2 is an enlarged side view of the vacuum cleaner of FIG. 1 .
  • FIG. 3 is a cross-sectional view of the vacuum cleaner along 3 - 3 in FIG. 1 .
  • FIG. 4 is a side view of the dirt cup of FIG. 1 .
  • FIG. 5 is another side view of the dirt cup of FIG. 1 .
  • FIG. 6 is a view from a first end of the dirt cup of FIG. 1 .
  • FIG. 7 is a view from a second end of the dirt cup of FIG. 1 .
  • FIG. 8 is a side view of the shroud of FIG. 1 .
  • FIG. 9 is a side view of a cyclone that is positioned within the shroud of FIG. 1 .
  • FIG. 10 is a view of a first end of the cyclone of FIG. 9 .
  • FIG. 11 is a cross-sectional view of the cyclone of FIG. 9 along 11 - 11 of FIG. 9 .
  • FIG. 1 illustrates a vacuum cleaner 10 .
  • the illustrated vacuum cleaner 10 includes a handle 12 , a base 14 , a suction source 16 , and a dirt cup 18 .
  • the handle 12 is pivotally coupled o the base 14 and the handle 12 includes a support structure 20 extending in a generally vertical orientation or upwardly from the base 14 .
  • the base 14 includes a suction nozzle 22 and wheels 24 that facilitate movement of the base 14 along a surface being cleaned.
  • the suction source 16 includes a clean air exhaust 26 .
  • the illustrated embodiment is an upright vacuum cleaner, alternative embodiments may include canister vacuum cleaners, stick vacuum cleaners, handheld vacuum cleaners, etc.
  • the dirt cup 18 includes a housing 30 that has a first or upper end 34 , a second or lower end 38 , and a neck region 42 between the first end 34 and the second end 38 .
  • the housing 30 defines a longitudinal axis A, and the housing 30 has a variable outer dimension D 1 .
  • the outer dimension D 1 is the diameter of the housing 30 because the cross-section of the housing 30 is substantially circular.
  • the cross-section of the housing 30 may have other shapes and corresponding outer dimensions (e.g., the cross-sections could be oval, elliptical, or any other suitable shape).
  • the outer dimension D 1 FIG.
  • the dirt cup 18 includes a dirty air inlet 46 that is substantially tangential to a perimeter of the housing 30 and positioned between the lower end 38 and the neck portion 42 .
  • the dirty air inlet 46 has a wall 50 that is substantially tangential to the perimeter of the housing 30 .
  • the dirty air inlet 46 is in fluid communication with the suction nozzle 22 via a conduit 54 ( FIGS. 1 and 2 ).
  • the dirt cup 18 includes an air outlet 196 that extends through an aperture 58 of the housing 30 and is positioned between the upper end 38 and the neck portion 42 .
  • the dirt cup 18 may include a handle 62 coupled to the housing 30 , while a lid 66 is moveably (i.e., hingeably) coupled to the lower end 38 of the housing 30 .
  • the lid 66 may include one or more ribs or projections 70 that are positioned within the housing 30 when the lid 66 is in a closed position ( FIGS. 1 and 2 ).
  • FIGS. 1 and 2 illustrate a shroud 100 that is positioned in the housing 30 including a plurality of apertures 104 forming an air passageway.
  • the shroud 100 includes a flange 108 positioned adjacent the neck portion 42 separating the housing 30 into an upper portion 112 and a lower portion 116 .
  • the neck portion 42 is positioned such that at least a portion of the shroud 100 is between the second end 38 of the housing and the flange 108 .
  • the shroud 100 may have a shape that is cylindrical, tapered, or may have other shapes and corresponding outer dimensions.
  • the plurality of apertures 104 may be holes formed in the shroud 100 , or may be formed by openings through a screen or mesh.
  • the shroud 100 may include one or more areas 124 that are free of apertures.
  • a skirt 128 may be coupled to the shroud 100 .
  • one or more ribs or projections 132 may be provided adjacent the skirt.
  • the flange 108 has a seal 140 that seals against the housing 30 at the neck region 42 inhibiting air flow along the wall of the housing 30 between the upper portion 112 and the lower portion 116 .
  • the seal 140 is positioned between a first member 144 and a second member 148 of the flange 108 .
  • he lower portion 116 between the lower end 38 of the housing 30 and the flange 108 includes a first stage cyclonic separator 152 and a dirt collection chamber 156 .
  • the shroud 100 is positioned within the first stage cyclonic separator 152 .
  • the dirty air inlet 46 of the housing 30 allows communication between the first stage cyclonic separator 152 and the suction nozzle 22 , and is positioned adjacent the area 124 free of apertures.
  • a second stage separator assembly 160 is provided within the shroud 100 , wherein at least a portion of the second stage separator assembly 160 is between the first end 34 of the housing and the flange 108 .
  • the second stage separator assembly 160 includes an inner housing 168 having a first or upper end 172 and a second or lower end 176 .
  • One or more second stage cyclones 184 are positioned within the inner housing 168 , and each cyclone 184 defines a perimeter and a longitudinal axis B ( FIG. 3 ).
  • Each of the second stage cyclones 184 includes one or more outlets 186 generally along axis B towards the upper end 172 .
  • Each of the second stage cyclones 184 includes one or more inlets 180 substantially tangential to the perimeter of the corresponding cyclone 184 .
  • each inlet 180 has a wall 188 that is substantially tangential to the perimeter of the corresponding cyclone 184 .
  • An intermediate housing 190 is connected to the shroud 100 bounding an air passageway along the inner housing 168 between the shroud apertures 104 and the cyclone inlets 180 .
  • a tube 192 forming a dust collection chamber is coupled to the inner housing 168 and extends between the lower end 176 of the inner housing 168 and the lower end 38 of the housing 30 .
  • the cyclone outlets 186 are in communication with a dirt cup outlet 196 providing fluid communication between the shroud 100 and the suction source 16 through an outlet duct (not shown) in or adjacent to the support structure 20 .
  • the second stage separator assembly 160 includes one second stage cyclone 184 where at least a portion of the inner housing 168 forms a portion of the cyclone.
  • the intermediate housing 190 may be connected to the shroud 100 and/or the flange 108 .
  • the intermediate housing 190 is integral with the shroud 100 and flange the 108 .
  • At least a portion of the intermediate housing 190 may be integrally formed with the shroud 100 .
  • the intermediate housing 190 forms a decorative panel 200 in at least a portion of the upper portion 112 , visible through the housing 30 between the first end 34 and the flange 108 when the housing 30 includes a transparent or translucent material.
  • the seal 140 sealing against the housing 30 at the neck region 42 inhibits dust from the first stage cyclone 144 flowing along the wall of the housing 30 and contacting the decorative panel 200 .
  • the air passageway between the shroud 100 and the suction source 16 includes a filter (not shown).
  • the filter is positioned adjacent the suction source 16 .
  • the filter may be provided within the inner housing 168 adjacent the upper end 172 between the cyclone outlets 186 and the dirt cup outlet 196 .
  • the second stage separator assembly 160 is omitted and the dirt cup includes a single stage separator.
  • a filter may be provided within the intermediate housing between the shroud 100 and the dirt cup outlet 196 .
  • the filter may be provided adjacent the suction source 16 .
  • the suction source 16 In operation, referring to FIG. 1 , the suction source 16 generates an airflow that draws debris and the airflow through the suction nozzle 22 .
  • the airflow and entrained debris travel through the conduit 54 ( FIGS. 1 and 2 ) to the dirty air inlet 46 of the housing 30 .
  • the airflow and entrained debris are guided into the first stage cyclonic separator 152 .
  • the airflow and debris are rotated about the longitudinal axis A of the housing 30 between the flange 108 and the skirt 128 , which causes the debris to separate from the airflow.
  • the debris falls into the dirt collection chamber 156 (i.e., to the lower end 38 of the dirt cup 18 ), while the airflow moves into the shroud 100 through the apertures 104 .
  • the airflow and any remaining entrained debris travel into the second stage cyclones 184 . More specifically, the airflow and any remaining entrained debris travel into the inlets 180 of the cyclones 184 .
  • the airflow and debris are rotated about the longitudinal axis B of the corresponding cyclones 184 , which causes any remaining debris to separate from the airflow.
  • the debris is falls into the dust collection chamber tube 192 , which guides it to the lower end 38 of the dirt cup 18 .
  • the clean airflow then travels through the cyclone outlets 186 and through the outlet 196 .
  • the clean airflow then travels through the outlet duct in or adjacent to the support structure 20 to the suction source 16 before being discharged from the vacuum cleaner 10 through the clean air exhaust 26 .
  • the vacuum is a multi-stage cyclonic separator.
  • the vacuum could be a single-stage cyclonic separator.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
US16/619,623 2017-07-05 2018-06-25 Vacuum cleaner Abandoned US20200093339A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/619,623 US20200093339A1 (en) 2017-07-05 2018-06-25 Vacuum cleaner

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762528815P 2017-07-05 2017-07-05
US16/619,623 US20200093339A1 (en) 2017-07-05 2018-06-25 Vacuum cleaner
PCT/US2018/039271 WO2019010026A1 (en) 2017-07-05 2018-06-25 VACUUM

Publications (1)

Publication Number Publication Date
US20200093339A1 true US20200093339A1 (en) 2020-03-26

Family

ID=62948359

Family Applications (1)

Application Number Title Priority Date Filing Date
US16/619,623 Abandoned US20200093339A1 (en) 2017-07-05 2018-06-25 Vacuum cleaner

Country Status (3)

Country Link
US (1) US20200093339A1 (zh)
CN (1) CN212261266U (zh)
WO (1) WO2019010026A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7500796B1 (ja) 2023-02-10 2024-06-17 東芝ライフスタイル株式会社 集塵装置及び電気掃除機
JP7503161B1 (ja) 2023-02-10 2024-06-19 東芝ライフスタイル株式会社 集塵装置及び電気掃除機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004008932A1 (en) * 2002-07-20 2004-01-29 Hoover Limited Cyclonic vacuum cleaner
KR100767122B1 (ko) * 2006-02-24 2007-10-17 삼성광주전자 주식회사 진공청소기용 사이클론 집진장치
JP6186312B2 (ja) * 2014-07-02 2017-08-23 日立アプライアンス株式会社 電気掃除機
KR101653459B1 (ko) * 2014-12-01 2016-09-01 엘지전자 주식회사 진공 청소기 및 집진장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7500796B1 (ja) 2023-02-10 2024-06-17 東芝ライフスタイル株式会社 集塵装置及び電気掃除機
JP7503161B1 (ja) 2023-02-10 2024-06-19 東芝ライフスタイル株式会社 集塵装置及び電気掃除機

Also Published As

Publication number Publication date
WO2019010026A1 (en) 2019-01-10
CN212261266U (zh) 2021-01-01

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Owner name: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED, MACAU

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HOOLEY, BRADLEY;WHETSTONE, SHAWN M.;MORGAN, KATHERINE M.;AND OTHERS;SIGNING DATES FROM 20170712 TO 20170718;REEL/FRAME:051189/0901

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION