EP1833344A1 - Vacuum cleaner - Google Patents

Vacuum cleaner

Info

Publication number
EP1833344A1
EP1833344A1 EP05822299A EP05822299A EP1833344A1 EP 1833344 A1 EP1833344 A1 EP 1833344A1 EP 05822299 A EP05822299 A EP 05822299A EP 05822299 A EP05822299 A EP 05822299A EP 1833344 A1 EP1833344 A1 EP 1833344A1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
compartment
suction housing
cleaning head
electric motor
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Withdrawn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
EP05822299A
Other languages
German (de)
French (fr)
Inventor
Sing Kwok Leung
Chi Chung Yik
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
Application filed by Individual filed Critical Individual
Publication of EP1833344A1 publication Critical patent/EP1833344A1/en
Withdrawn legal-status Critical Current

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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/32—Carpet-sweepers
    • A47L11/33—Carpet-sweepers having means for storing dirt
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002—Installations of electric equipment
    • A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075—Handles; levers
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • 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
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L9/32—Handles
    • A47L9/325—Handles for wheeled suction cleaners with steering handle

Definitions

  • the present invention relates to vacuum cleaners . More particularly, although not exclusively, the invention relates to a vacuum cleaner having a pair of debris compartments - one for relatively heavy objects such as nails and/or broken glass for example, and another for fine dust particles and the like .
  • Some known vacuum cleaners rely entirely on suction to draw dust particles into a dust bag or other receptacle . Such vacuum cleaners often have insufficient suction to lift heavy objects such as broken glass , nails , screws and the like .
  • Other known vacuum cleaners employ a rotary brush, as well as suction to lift heavier articles from the floor surface into a dust bag. It is intended that such articles be drawn by the airflow into a single dust bag together with lighter dust particles and the like .
  • a vacuum cleaner comprising! a first compartment receiving air-entrained dust particles drawn therein by a fan, and a second compartment receiving debris delivered thereto by a motor-driven bristle bar past which the fan draws air.
  • the first compartment is located within a suction housing and the second compartment is located in a floor-traversing cleaning head that is pivotally interconnected with the suction housing.
  • the floor-traversing cleaning head is pivotally interconnected with an intermediate - ⁇ -
  • the vacuum cleaner might further comprise a nozzle extending from the first compartment into the intermediate housing.
  • the bristle bar is rotatably mounted within the cleaning head, and further comprising a deflector plate for deflecting the debris from the bristle bar into the second compartment .
  • the vacuum cleaner typically further comprises a first electric motor housed within the suction housing and wherein the fan is driven by the first electric motor.
  • the vacuum cleaner typically further comprises a second electric motor housed within the cleaning head and wherein the bristle bar is driven to rotate by the second electric motor .
  • the vacuum cleaner typically further comprises a drive belt extending between an output pulley of the second electric motor and the bristle bar .
  • the first and second motors receive electric power from discrete battery packs located in the suction housing and cleaning head respectively.
  • the first and second motors are activated by discrete switches - one of which is located on the suction housing and the other of which is located on the cleaning head.
  • the first and second motors are activated and controlled by a switch located on the intermediate housing.
  • the vacuum cleaner would typically further comprise a handle detachably connected to the suction housing.
  • Fig . 1 is a schematic perspective illustration of a vacuum cleaner
  • Fig. 2 is a schematic cross-sectional side elevation of the vacuum cleaner of Fig. 1
  • Fig . 3 is a schematic front elevation of the vacuum cleaner of Figs . 1 and 2 having certain of its basic components detached from one another, and
  • Fig . 4 is a schematic cross-sectional front elevation of the vacuum cleaner with its basic components connected to one another .
  • a vacuum cleaner 10 comprising a handle 11 at the upper end of a handle pole 12.
  • the handle pole 12 is detachably connected to a suction housing 13 on which there is provided a first electrical switch 19.
  • the suction housing 13 is pivotally connected to a cleaning head 14 on which there is provided a second electrical switch 20.
  • a first battery pack 15 comprising one or more rechargeable batteries .
  • a first electric motor 16 receives power from the batteries 15 via switch 19.
  • the first electric motor 16 drives a fan 17 which draws air upwardly through a filter 18 via nozzle 27 to retain air-entrained dust particles within a dust compartment 24 that is situated beneath a filter 18.
  • a second battery pack comprising one or more batteries 28 for driving a second electric motor 22 having its output pulley connected by a belt 23 to a rotary bristle bar 21 mounted within the cleaning head 14.
  • a debris compartment 25 having a deflector plate 26 positioned thereabove .
  • a ramp 29 immediately behind the bristle bar 21 and this ramp together with the deflector plate assist in directing heavier debris (debris that is too heavy to be drawn up into the dust compartment 24) into the debris compartment 25.
  • motor 16 and fan 27 need be configured and/or selected as relatively low- power units capable of lifting light debris such as dust particles into the dust compartment 24.
  • electric motor 22 need only be of sufficient power to cause the bristle bar to flick the heavier debris over the ramp 29 for deflection by the deflector plate 26 into the debris compartment 25
  • the suction housing 13 pivotally connected to the cleaning head.
  • the suction housing 13 is connected detachably with the intermediate housing 13 in such manner that the nozzle 27 extends into the intermediate housing.
  • the suction housing 13 When the suction housing 13 is detached from the intermediate housing 30 , it can be used as a hand-held unit for suction- cleaning purposes - say to clean curtains or upholstery for example .
  • the bristle bar might be driven to rotate by gears rather than a drive belt .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

A vacuum cleaner, includes a first compartment for receiving air-entrained dust particles drawn therein by a fan, and a second compartment for receiving debris delivered thereto by a motor-driven bristle bar past which the fan draws air.

Description

Vacuum Cleaner
Background of the Invention
The present invention relates to vacuum cleaners . More particularly, although not exclusively, the invention relates to a vacuum cleaner having a pair of debris compartments - one for relatively heavy objects such as nails and/or broken glass for example, and another for fine dust particles and the like .
Some known vacuum cleaners rely entirely on suction to draw dust particles into a dust bag or other receptacle . Such vacuum cleaners often have insufficient suction to lift heavy objects such as broken glass , nails , screws and the like . Other known vacuum cleaners employ a rotary brush, as well as suction to lift heavier articles from the floor surface into a dust bag. It is intended that such articles be drawn by the airflow into a single dust bag together with lighter dust particles and the like .
Such relatively heavy articles often have sharp edges which might cut through the dust bag and/or filters and finally damage the machine . Powerful electric motors are required in order to provide sufficient suction to raise the heavy articles into the dust receptacle .
Objects of the Invention
It is an object of the present invention to overcome or substantially ameliorate at least one of the above disadvantages and/or more generally to provide an improved vacuum cleaner.
Disclosure of the Invention
There is disclosed herein a vacuum cleaner, comprising! a first compartment receiving air-entrained dust particles drawn therein by a fan, and a second compartment receiving debris delivered thereto by a motor-driven bristle bar past which the fan draws air.
Preferably, the first compartment is located within a suction housing and the second compartment is located in a floor-traversing cleaning head that is pivotally interconnected with the suction housing.
in one embodiment, the floor-traversing cleaning head is pivotally interconnected with an intermediate - λ -
housing to which the suction housing is detachably connected.
In this embodiment, the vacuum cleaner might further comprise a nozzle extending from the first compartment into the intermediate housing.
Preferably, the bristle bar is rotatably mounted within the cleaning head, and further comprising a deflector plate for deflecting the debris from the bristle bar into the second compartment .
The vacuum cleaner typically further comprises a first electric motor housed within the suction housing and wherein the fan is driven by the first electric motor.
The vacuum cleaner typically further comprises a second electric motor housed within the cleaning head and wherein the bristle bar is driven to rotate by the second electric motor .
The vacuum cleaner typically further comprises a drive belt extending between an output pulley of the second electric motor and the bristle bar .
Preferably, the first and second motors receive electric power from discrete battery packs located in the suction housing and cleaning head respectively.
Preferably, the first and second motors are activated by discrete switches - one of which is located on the suction housing and the other of which is located on the cleaning head.
Alternatively, the first and second motors are activated and controlled by a switch located on the intermediate housing.
The vacuum cleaner would typically further comprise a handle detachably connected to the suction housing.
Brief Description of the Drawings
A preferred form of the present invention will now be described by way of example with reference to the accompanying drawings , wherein:
Fig . 1 is a schematic perspective illustration of a vacuum cleaner,
Fig. 2 is a schematic cross-sectional side elevation of the vacuum cleaner of Fig. 1, Fig . 3 is a schematic front elevation of the vacuum cleaner of Figs . 1 and 2 having certain of its basic components detached from one another, and
Fig . 4 is a schematic cross-sectional front elevation of the vacuum cleaner with its basic components connected to one another .
Description of the Preferred Embodiment
In the accompanying drawings there is depicted schematically a vacuum cleaner 10 comprising a handle 11 at the upper end of a handle pole 12. The handle pole 12 is detachably connected to a suction housing 13 on which there is provided a first electrical switch 19.
The suction housing 13 is pivotally connected to a cleaning head 14 on which there is provided a second electrical switch 20.
Located within the suction housing 13 is a first battery pack 15 comprising one or more rechargeable batteries . A first electric motor 16 receives power from the batteries 15 via switch 19. The first electric motor 16 drives a fan 17 which draws air upwardly through a filter 18 via nozzle 27 to retain air-entrained dust particles within a dust compartment 24 that is situated beneath a filter 18.
Within the cleaning head 14 , there is a second battery pack comprising one or more batteries 28 for driving a second electric motor 22 having its output pulley connected by a belt 23 to a rotary bristle bar 21 mounted within the cleaning head 14.
Situated behind the rotational bristle bar 27 is a debris compartment 25 having a deflector plate 26 positioned thereabove . There is also a ramp 29 immediately behind the bristle bar 21 and this ramp together with the deflector plate assist in directing heavier debris (debris that is too heavy to be drawn up into the dust compartment 24) into the debris compartment 25.
It should be appreciated that motor 16 and fan 27 need be configured and/or selected as relatively low- power units capable of lifting light debris such as dust particles into the dust compartment 24. Similarly, electric motor 22 need only be of sufficient power to cause the bristle bar to flick the heavier debris over the ramp 29 for deflection by the deflector plate 26 into the debris compartment 25
There is an intermediate housing 13 pivotally connected to the cleaning head. The suction housing 13 is connected detachably with the intermediate housing 13 in such manner that the nozzle 27 extends into the intermediate housing. When the suction housing 13 is detached from the intermediate housing 30 , it can be used as a hand-held unit for suction- cleaning purposes - say to clean curtains or upholstery for example .
It should be appreciated that modifications and alterations obvious to those skilled in the art are not to be considered as beyond the scope of the present invention. For example, the bristle bar might be driven to rotate by gears rather than a drive belt .

Claims

- R -CLAIMS :
1. A vacuum cleaner, comprising: a first compartment receiving air-entrained dust particles drawn therein by a fan, and a second compartment receiving debris delivered thereto by a motor-driven bristle bar past which the fan draws air .
2. The vacuum cleaner of Claim 1, wherein the first compartment is located within a suction housing and the second compartment is located in a floor- traversing cleaning head that is pivotally interconnected with the suction housing.
3. The vacuum cleaner of Claim 2 , wherein the bristle bar is rotatably mounted within the cleaning head, and further comprising a deflector plate for deflecting the debris from the bristle bar into the second compartment .
4. The vacuum cleaner of Claim 2 , further comprising a first electric motor housed within the suction housing and wherein the fan is driven by the first electric motor.
5. The vacuum cleaner of Claim 2 , further comprising a second electric motor housed within the cleaning head and wherein the bristle bar is driven to rotate by the second electric motor.
6. The vacuum cleaner of Claim 5 , further comprising a drive belt extending between an output pulley of the second electric motor and the bristle bar .
7. The vacuum cleaner of Claim 5 , wherein the first and second motors receive electric power from discrete battery packs located in the suction housing and cleaning head respectively.
8. The vacuum cleaner of Claim 5 , wherein the first and second motors are activated by discrete switches - - one of which is located on the suction housing and the other of which is located on the cleaning head.
9. The vacuum cleaner of Claim 5, wherein the first and second motors are activated and controlled by a single switch.
10. The vacuum cleaner of Claim 1, wherein the first compartment is located within a suction housing and the second compartment is located in a floor- traversing cleaning head that is pivotally interconnected with an intermediate housing to which the suction housing is detachably connected.
11. The vacuum cleaner of Claim 1, further comprising a nozzle extending from the first compartment into the intermediate housing.
12. The vacuum cleaner of Claim 2 further comprising a handle detachably connected to the suction housing .
EP05822299A 2004-12-23 2005-12-23 Vacuum cleaner Withdrawn EP1833344A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/021,936 US20060137133A1 (en) 2004-12-23 2004-12-23 Vacuum cleaner
PCT/CN2005/002302 WO2006066514A1 (en) 2004-12-23 2005-12-23 Vacuum cleaner

Publications (1)

Publication Number Publication Date
EP1833344A1 true EP1833344A1 (en) 2007-09-19

Family

ID=36601395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05822299A Withdrawn EP1833344A1 (en) 2004-12-23 2005-12-23 Vacuum cleaner

Country Status (4)

Country Link
US (1) US20060137133A1 (en)
EP (1) EP1833344A1 (en)
CN (1) CN101208035A (en)
WO (1) WO2006066514A1 (en)

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DE102017118377A1 (en) * 2017-08-11 2019-02-14 Vorwerk & Co. Interholding Gmbh From a battery operated household appliance and method for operating a household appliance
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Also Published As

Publication number Publication date
WO2006066514A1 (en) 2006-06-29
CN101208035A (en) 2008-06-25
US20060137133A1 (en) 2006-06-29

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