EP2308360A3 - Improved cyclonic chamber for air filtration devices - Google Patents

Improved cyclonic chamber for air filtration devices Download PDF

Info

Publication number
EP2308360A3
EP2308360A3 EP10251559.0A EP10251559A EP2308360A3 EP 2308360 A3 EP2308360 A3 EP 2308360A3 EP 10251559 A EP10251559 A EP 10251559A EP 2308360 A3 EP2308360 A3 EP 2308360A3
Authority
EP
European Patent Office
Prior art keywords
chamber
filter
inflow
base
cyclonic
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.)
Granted
Application number
EP10251559.0A
Other languages
German (de)
French (fr)
Other versions
EP2308360B1 (en
EP2308360A2 (en
Inventor
Lau Ying Wai
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.)
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43297034&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2308360(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US12/576,404 external-priority patent/US7789922B1/en
Application filed by Individual filed Critical Individual
Publication of EP2308360A2 publication Critical patent/EP2308360A2/en
Publication of EP2308360A3 publication Critical patent/EP2308360A3/en
Application granted granted Critical
Publication of EP2308360B1 publication Critical patent/EP2308360B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • A47L5/24—Hand-supported suction cleaners
    • 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
    • A47L9/165—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
    • A47L9/1666—Construction of outlets with filtering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

A cyclonic chamber (1) for use in air filtration devices (2). The chamber (1) includes an apex (3) opposite a base (4) with sidewalls (5) extending therebetween. The cyclonic chamber (1) is preferably parabolic in cross-section or tubular with a hemi-spherical cap. The base (4) contains an outflow passage (12) and a conical filter (9) extending therefrom. An inflow passage (13) is provided proximate the apex (13). The inflow and outflow passages (13,12) are parallel but not aligned. The chamber interior is smooth. The smooth interior and offset relationship of the inflow and outflow passages (13,12) causes air to take a cyclonic path between the inflow passage (13) and the filter (9). Debris in the airstream is pushed outward - away from the filter (9) - by centripetal force. Eddies form proximate the base (4). Debris escapes the airstream there, where it either remains or, depending upon the chamber's orientation relative to gravity, falls back into the airflow where it is again directed away from the filter (9).
EP10251559.0A 2009-10-09 2010-09-07 Improved cyclonic chamber for air filtration devices Not-in-force EP2308360B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/576,404 US7789922B1 (en) 2009-04-09 2009-10-09 Cyclonic chamber for air filtration devices

Publications (3)

Publication Number Publication Date
EP2308360A2 EP2308360A2 (en) 2011-04-13
EP2308360A3 true EP2308360A3 (en) 2014-02-26
EP2308360B1 EP2308360B1 (en) 2015-06-24

Family

ID=43297034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10251559.0A Not-in-force EP2308360B1 (en) 2009-10-09 2010-09-07 Improved cyclonic chamber for air filtration devices

Country Status (4)

Country Link
EP (1) EP2308360B1 (en)
JP (1) JP5649390B2 (en)
CN (1) CN102038464B (en)
HK (1) HK1153369A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9192269B2 (en) 2006-12-15 2015-11-24 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11857142B2 (en) 2006-12-15 2024-01-02 Omachron Intellectual Property Inc. Surface cleaning apparatus having an energy storage member and a charger for an energy storage member
US9888817B2 (en) 2014-12-17 2018-02-13 Omachron Intellectual Property Inc. Surface cleaning apparatus
US20210401246A1 (en) 2016-04-11 2021-12-30 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10165912B2 (en) 2006-12-15 2019-01-01 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10722086B2 (en) 2017-07-06 2020-07-28 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
JP6204126B2 (en) * 2013-09-13 2017-09-27 東芝ライフスタイル株式会社 Electric vacuum cleaner
JP6151193B2 (en) * 2014-01-20 2017-06-21 日立アプライアンス株式会社 Electric vacuum cleaner
US9314139B2 (en) 2014-07-18 2016-04-19 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US9420925B2 (en) 2014-07-18 2016-08-23 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US9585530B2 (en) 2014-07-18 2017-03-07 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
EP3169211B1 (en) * 2014-07-18 2021-04-07 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US9451853B2 (en) 2014-07-18 2016-09-27 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US10136778B2 (en) 2014-12-17 2018-11-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11950745B2 (en) 2014-12-17 2024-04-09 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10251519B2 (en) 2014-12-17 2019-04-09 Omachron Intellectual Property Inc. Surface cleaning apparatus
CN108289583A (en) * 2015-11-26 2018-07-17 日本电产株式会社 Cyclone type dust collecting apparatus
US10702113B2 (en) 2017-07-06 2020-07-07 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US11666193B2 (en) 2020-03-18 2023-06-06 Omachron Intellectual Property Inc. Surface cleaning apparatus with removable air treatment member assembly
US11766156B2 (en) 2020-03-18 2023-09-26 Omachron Intellectual Property Inc. Surface cleaning apparatus with removable air treatment member assembly
US10750913B2 (en) 2017-07-06 2020-08-25 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10631693B2 (en) 2017-07-06 2020-04-28 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10842330B2 (en) 2017-07-06 2020-11-24 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US11730327B2 (en) 2020-03-18 2023-08-22 Omachron Intellectual Property Inc. Surface cleaning apparatus with removable air treatment assembly
US10506904B2 (en) 2017-07-06 2019-12-17 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10537216B2 (en) 2017-07-06 2020-01-21 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US11445878B2 (en) 2020-03-18 2022-09-20 Omachron Intellectual Property Inc. Surface cleaning apparatus with removable air treatment member assembly
GB2565365B (en) 2017-08-11 2020-02-05 Dyson Technology Ltd Handheld vacuum cleaner
GB2565362B (en) 2017-08-11 2020-03-25 Dyson Technology Ltd Dirt separator for a vacuum cleaner
GB2565355B (en) 2017-08-11 2020-03-25 Dyson Technology Ltd Dirt separator for a vacuum cleaner
CN108126898A (en) * 2017-11-30 2018-06-08 湘潭大学 A kind of filtering type powder classification device and stage division according to underbalance effect
US11192122B2 (en) 2018-08-13 2021-12-07 Omachron Intellectual Property Inc. Cyclonic air treatment member and surface cleaning apparatus including the same
US11006799B2 (en) 2018-08-13 2021-05-18 Omachron Intellectual Property Inc. Cyclonic air treatment member and surface cleaning apparatus including the same
US11013384B2 (en) 2018-08-13 2021-05-25 Omachron Intellectual Property Inc. Cyclonic air treatment member and surface cleaning apparatus including the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1523916A2 (en) * 2003-10-15 2005-04-20 BLACK & DECKER INC. Hand-held cordless vacuum cleaner
EP1977672A1 (en) * 2007-04-04 2008-10-08 Black & Decker, Inc. Filter cleaning mechanisms

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
US4373228A (en) * 1979-04-19 1983-02-15 James Dyson Vacuum cleaning appliances
JPH03264018A (en) * 1990-03-14 1991-11-25 Matsushita Electric Ind Co Ltd Storage battery type cleaner
JP2001353110A (en) * 2000-06-14 2001-12-25 Matsushita Electric Ind Co Ltd Electric vacuum cleaner
JP2002085297A (en) * 2000-09-11 2002-03-26 Matsushita Electric Ind Co Ltd Vacuum cleaner
CN2495250Y (en) * 2001-07-19 2002-06-19 马美珍 External placed electric rolling brush for suction cleaner
JP2003250729A (en) * 2002-02-28 2003-09-09 Toshiba Tec Corp Vacuum cleaner
JP4187496B2 (en) * 2002-10-04 2008-11-26 三洋電機株式会社 Vacuum cleaner
EP1547509A3 (en) * 2003-12-24 2006-09-20 Daewoo Electronics Corporation Cyclone dust collecting device for use in a vacuum cleaner
JP4444003B2 (en) * 2004-05-31 2010-03-31 パナソニック株式会社 Vacuum cleaner
US20060090290A1 (en) * 2004-11-01 2006-05-04 Lau Ying W Handheld vacuum with accelerated cyclonic flow and air freshener
JP2007167451A (en) * 2005-12-22 2007-07-05 Twinbird Corp Cyclone type vacuum cleaner
WO2007084543A2 (en) * 2006-01-17 2007-07-26 Electrolux Home Care Products North America Stair cleaning vacuum cleaner
CN101269356A (en) * 2007-03-19 2008-09-24 徐凯 Inner core acceleration type cyclone separator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1523916A2 (en) * 2003-10-15 2005-04-20 BLACK & DECKER INC. Hand-held cordless vacuum cleaner
EP1977672A1 (en) * 2007-04-04 2008-10-08 Black & Decker, Inc. Filter cleaning mechanisms

Also Published As

Publication number Publication date
EP2308360B1 (en) 2015-06-24
EP2308360A2 (en) 2011-04-13
CN102038464A (en) 2011-05-04
CN102038464B (en) 2013-12-25
HK1153369A1 (en) 2012-03-30
JP5649390B2 (en) 2015-01-07
JP2011078757A (en) 2011-04-21

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