EP0269592A2 - Vielschicht-Aussen- und Innenstaubsackfiltervorrichtung für einen Staubsauger - Google Patents

Vielschicht-Aussen- und Innenstaubsackfiltervorrichtung für einen Staubsauger Download PDF

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Publication number
EP0269592A2
EP0269592A2 EP87850336A EP87850336A EP0269592A2 EP 0269592 A2 EP0269592 A2 EP 0269592A2 EP 87850336 A EP87850336 A EP 87850336A EP 87850336 A EP87850336 A EP 87850336A EP 0269592 A2 EP0269592 A2 EP 0269592A2
Authority
EP
European Patent Office
Prior art keywords
layer
filter bag
filter
bag
vacuum cleaner
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.)
Withdrawn
Application number
EP87850336A
Other languages
English (en)
French (fr)
Other versions
EP0269592A3 (de
Inventor
Dexter K. Lehman
Martin E. Wiese
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.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Publication of EP0269592A2 publication Critical patent/EP0269592A2/de
Publication of EP0269592A3 publication Critical patent/EP0269592A3/de
Withdrawn legal-status Critical Current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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles

Definitions

  • an upright vacuum cleaner of the type which is well known is shown, and is referred to generally by the reference numeral 10.
  • the vacuum cleaner comprises a base 12 supported on a plurality of wheels 14 and is provided with a generally vertically disposed handle 16.
  • the wheels facilitate the movement of the vacuum cleaner over the surface to be cleaned and a motor driven fan (not shown) is mounted in housing 18 on the base 12.
  • the fan operating within the housing provides a suction or a vacuum which is necessary for picking up dust and dirt from a rug or carpet to be cleaned.
  • the upright vacuum cleaner is provided with an outer filter bag referred to generally by the reference numeral 20, and has a rear opening capable of being opened and closed by means of a zipper fastener 22.
  • An air-impervious inlet tube 21 connects an inner throwaway paper filter bag 24 to the discharge outlet of the vacuum cleaner. Consequently, the air being discharged from the motor driven fan is directed into the interior of the throwaway dust bag.
  • the inner throwaway paper dust bag which is installed over the throat of the inlet tube is for trapping large particles of dirt and debris, with respect to the outer paper filter.
  • the outer paper filter layer is designed to trap minute particles which are airborne and conducted through the paper filter bag arrangement.
  • the dual filter paper dust bag is spaced within an outer filter bag arrangement which is a triple-layer bag in which the inner layer is constituted of a latex-impregnated filter material, and the middle layer is a filter batt, such as fiberglass, while the outer layer is constituted of a support cloth material, which may be a cotton cloth having a thread count that permits the escape of air through its interstices.
  • a two-layer throwaway paper bag is placed within the three-layer outer filter bag assembly.
  • Fig. 3 is a cutaway view showing the triple-layer outer bag assembly in a stepped form in which the fiberglass or flannel batt filter 26 is shown positioned between the outer cloth bag 28 which is air pervious, and the innermost latex-­impregnated filter 30.
  • Fig. 4 the two-layer paper throwaway bag filter is shown in which the inner layer 32 is illustrated as secured to the outer layer 34.
  • the dirty air stream passes through an air impervious tube 21 (not shown) and enters the space 36 within the dual-layer paper filter bag showing layers 32 and 34.
  • the contaminated air passes through the paper layers 32 and 34 thereby impacting and trapping a good deal of the dirt, debris and bacteria, and then the air stream passes into air space 38 located between the dual paper filter and the triple-layer outer bag assembly, and thereafter penetrates through the triple-layer outer bag assembly constituting layers 30, 26 and 28 to thereby be propelled into the atmosphere in a cleaned condition, leaving behind the bacteria, dirt and debris that remains impacted on the layer of the triple outer bag assembly.
  • the present filter arrangement for a vacuum cleaner meets the filter system criteria required in hospitals and other health care facilities, and it is to be noted that the present filtering system has an efficiency in the order of 99.94%, and therefore provides an efficient barrier for preventing the re-introduction of particulate matter that has been sucked up from the floor of the building from beeing expelled into the atmosphere room air. Furthermore, the above-described filter bag system, together with a highly efficient vacuum system, makes the present arrangement suitable for hospital or other health institution applications.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
EP87850336A 1986-11-28 1987-11-05 Vielschicht-Aussen- und Innenstaubsackfiltervorrichtung für einen Staubsauger Withdrawn EP0269592A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93582986A 1986-11-28 1986-11-28
US935829 1986-11-28

Publications (2)

Publication Number Publication Date
EP0269592A2 true EP0269592A2 (de) 1988-06-01
EP0269592A3 EP0269592A3 (de) 1988-10-19

Family

ID=25467742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87850336A Withdrawn EP0269592A3 (de) 1986-11-28 1987-11-05 Vielschicht-Aussen- und Innenstaubsackfiltervorrichtung für einen Staubsauger

Country Status (1)

Country Link
EP (1) EP0269592A3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563869A1 (de) * 1992-04-02 1993-10-06 WAP Reinigungssysteme GmbH & Co. Filtersackmuffe für einen Schmutzsauger
EP1326519A4 (de) * 2000-09-29 2007-08-29 Oreck Holdings Llc Beutelanordnung für staubsauger
CN102551604A (zh) * 2010-12-16 2012-07-11 莱克电气股份有限公司 吸尘器用的尘袋
US20170144096A1 (en) * 2015-11-25 2017-05-25 Dustless Depot, Llc Fire resistant vacuum filter
US11547257B2 (en) 2020-02-04 2023-01-10 Dustless Depot, Llc Vacuum bag with inlet gasket and closure seal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813596A (en) * 1953-12-02 1957-11-19 Kimberly Clark Co Disposable filter bag
US3859064A (en) * 1973-08-16 1975-01-07 Studley Paper Company Inc Double-wall vacuum cleaner filter bag
US4116648A (en) * 1976-10-27 1978-09-26 Aktiebolaget Electrolux Multi-layer filter dust bag for a vacuum cleaner
US4589894A (en) * 1984-04-11 1986-05-20 Minnesota Mining And Manufacturing Co. Disposable filter for a vacuum cleaner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563869A1 (de) * 1992-04-02 1993-10-06 WAP Reinigungssysteme GmbH & Co. Filtersackmuffe für einen Schmutzsauger
EP1326519A4 (de) * 2000-09-29 2007-08-29 Oreck Holdings Llc Beutelanordnung für staubsauger
CN102551604A (zh) * 2010-12-16 2012-07-11 莱克电气股份有限公司 吸尘器用的尘袋
US20170144096A1 (en) * 2015-11-25 2017-05-25 Dustless Depot, Llc Fire resistant vacuum filter
US11547257B2 (en) 2020-02-04 2023-01-10 Dustless Depot, Llc Vacuum bag with inlet gasket and closure seal

Also Published As

Publication number Publication date
EP0269592A3 (de) 1988-10-19

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Inventor name: WIESE, MARTIN E.

Inventor name: LEHMAN, DEXTER K.