EP2898808B1 - Aspirateur à réservoir - Google Patents

Aspirateur à réservoir Download PDF

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Publication number
EP2898808B1
EP2898808B1 EP15152287.7A EP15152287A EP2898808B1 EP 2898808 B1 EP2898808 B1 EP 2898808B1 EP 15152287 A EP15152287 A EP 15152287A EP 2898808 B1 EP2898808 B1 EP 2898808B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
canister vacuum
driven wheel
motor
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.)
Not-in-force
Application number
EP15152287.7A
Other languages
German (de)
English (en)
Other versions
EP2898808A1 (fr
EP2898808B8 (fr
Inventor
Alexander Anthony Denny Bassett
Zhang Chengling
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.)
Hoover Ltd
Original Assignee
Hoover 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 Hoover Ltd filed Critical Hoover Ltd
Publication of EP2898808A1 publication Critical patent/EP2898808A1/fr
Application granted granted Critical
Publication of EP2898808B1 publication Critical patent/EP2898808B1/fr
Publication of EP2898808B8 publication Critical patent/EP2898808B8/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/248—Parts, details or accessories of hoses or pipes
    • 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
    • A47L9/2852—Elements for displacement of the vacuum cleaner or the accessories therefor, e.g. wheels, casters or nozzles
    • 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

Definitions

  • This invention relates to a vacuum cleaner of the so-called canister type, which are sometimes known as drum or cylinder vacuum cleaners.
  • Canister vacuum cleaners are well known and comprise a cleaning head provided at the end of a rigid tubular wand that is connected to a body of the cleaner via an elongate flexible hose.
  • the body of the cleaner contains means for separating and collecting the dirt and dust that is drawn into the cleaner by a motor and fan unit disposed in the body.
  • the head of the canister cleaner is detachable, so that the user can fit other kinds of cleaning tools to the wand.
  • canister cleaners are their flexibility, because a user can attach different heads and tools for different tasks.
  • Another advantage is their maneuverability, because the wand can reach under furniture and the hose makes it very easy to clean stairs and vertical surfaces.
  • the body In use the body is propelled by tension on the hose as the user moves the wand. In this manner the body follows the user as the cleaning process proceeds around a room or progresses from room to room.
  • EP0572930 discloses a similar system in which reversing is initiated when an obstacle is detected or when the tractive pulling force on the hose and the user begins to move towards the cleaner body.
  • US 2007/0061997 discloses a canister cleaner with forward movement controlled in dependence on the tractive pulling force applied to the hose. Forward drive of the cleaner body stops when a grip switch on the handle of the wand is released.
  • WO2007/096048 also discloses a canister cleaner whereby forward drive is controlled in dependence on the presence or absence of tractive pulling force applied to the hose.
  • Directional control of the cleaner body is effected by two wheels which are independently driven, enabling the cleaner to follow an arcuate course when non-central hose tension is detected.
  • KR1020080107495A discloses a canister vacuum cleaner comprising a body having means for separating and collecting dirt and dust that is drawn into the cleaner by a motor and fan unit disposed in the body, and a rigid tubular wand connected to a body of the cleaner via an elongate flexible hose, the tubular wand having a handle portion for grasping by the user, a pair of motors in the body portion for driving respective wheels disposed on respective opposite sides of the body, a switch being provided on the handle portion for selectively operating the motors to drive the wheel to causes the body move across a floor surface in the desired direction.
  • a disadvantage of the vacuum cleaner disposed in KR1020080107495A is that it is difficult and slow to steer the body in the desired direction. Also the cleaner is complicated, bulky and expensive in construction.
  • a canister vacuum cleaner comprising a body having means for separating and collecting dirt and dust that is drawn into the cleaner by a motor and fan unit disposed in the body, and a rigid tubular wand connected to a body of the cleaner via an elongate flexible hose, the tubular wand having a handle portion for grasping by the user, a drive motor in the body, and a switch on the handle portion for selectively operating the drive motor to drive a wheel to cause the body move across a floor surface on which the body is located, characterised in that the body comprises a single drive motor and a single wheel, the wheel being disposed intermediate opposite sides of the underside of the body.
  • the user In use the user is able to precisely control the position of the body without the need for complicated sensing arrangements to detect tractive forces applied to the hose.
  • the use of a centrally positioned single wheel and a single drive motor provides a simple, compact and inexpensive way of driving the cleaner forwards or backwards whilst steering (i.e. the direction of travel) can be achieved by manipulation of the hose rather than by having to have two individually driven wheels.
  • the switch can be actuated to move the body forwards and/or backwards.
  • the switch comprises a central position in which the motor is not actuated, a forward position in which the body moves forwards and a rearward position in which the body moves rearwards.
  • the driven wheel is at least partially resistant to rotation by tractive forces applied to the hose as the body is pulled across the floor.
  • the driven wheel is disposed adjacent a rear end of the body.
  • means such as wheels or skids are provided on opposite sides of said driven wheel for engaging the floor surface so as to maintain lateral stability of the body.
  • said means such as wheels or skids are disposed in line with the axis of rotation of the drive wheel: This allows the cleaner to rotate without causing the drive wheel to drag across the floor surface when the motor is not actuated.
  • the front of the body comprises means such as a wheel or skid for engaging the floor surface so as to maintain longitudinal stability of the body.
  • said floor surface engaging means at the front of the body comprises a wheel which is arranged to castor about an axis normal to said floor surface.
  • the switch is connected to the motor by a conductor which extends along said hose.
  • the switch is connected to the motor via a wireless link.
  • a battery is preferably provided for sending signals from the switch to the motor.
  • the wheel is connected to the motor by a reduction gearbox.
  • the motor is disposed radially of the driven wheel and comprises an axis of rotation which extends perpendicular to the rotational axis of the driven wheel.
  • the motor is a low voltage DC motor.
  • a canister vacuum cleaner in accordance with the present invention comprising a tubular wand 10 which is connected at its proximal end to a body 11 via an elongate flexible hose 12.
  • the distal end of the wand 10 is arranged for selectively coupling to detachable cleaning tools and heads e.g. 13, perhaps via one or more extension tubes.
  • the body 11 comprises a motor and fan unit 25 which draws air into the body 11 along the hose 12.
  • a separation unit 26 separates dirt and dust from the airflow entering the body 11 along the hose 12.
  • the proximal end of the wand 10 comprise a handle portion 14 for grasping by the user.
  • a switch 15 is provided on the upper surface of the handle portion 14 of the wand 10.
  • the switch 15 comprises an actuator 16 which is slidable forwardly and rearwardly from the central position in which it is shown.
  • the actuator 16 is normally biased into the central position.
  • the switch 16 is connected to the body 11 via elongate conductors (not shown) which extend along the hose 12 either axially or helically. In the latter case, the conductors may form a helical strengthening rib for the hose 12.
  • the proximal end of the conductors comprise a portion 17 which is connected to a control circuit 18 disposed inside the body 11 of the cleaner.
  • a driven wheel 19 is disposed at the rear of the body 11 of the cleaner on the underside thereof.
  • the driven wheel 19 is disposed centrally between opposite sides of the body 11 of the cleaner.
  • the driven wheel 19 is connected to a low-voltage DC motor, such as a 24 volt DC motor rated at 26 Watts.
  • the motor 20 is connected to the driven wheel 19 by a gearbox 23, which is arranged to reduce the rotational speed of the wheel compared with the rotational speed of the motor 20. It is envisaged that the motor 20 will rotate approximately 1800 rpm and that the gearbox 23 will correspondingly drive the wheel 19 at approximately 100 rpm.
  • the gearbox 23 is also arranged to turn the wheel about a rotational axis which extends perpendicular to the rotational axis of the motor 20.
  • the position of the motor 20 in front of the wheel 19 provides a compact arrangement which can easily fit within the limited space available in a canister cleaner.
  • the motor 20 is connected to the control circuit 18.
  • a pair of wheels 21 are disposed on respective opposite sides of the driven wheel 19 at the rear of the body 11 of the cleaner on the underside thereof.
  • a wheel 22 is also disposed at the front of the body 11 of the cleaner in front of the driven wheel 19.
  • the front wheel 22 is free to caster about a vertical axis. It will be appreciated that the arrangement of the wheels 19, 21 and 22 serve to stably support the body 11 of the cleaner on the floor surface being cleaned.
  • the user grasps the handle 14 of the wand 10 to move the cleaning head 13 forwardly and rearwardly over the floor surface being cleaned.
  • the gearing of the driven wheel 19 is such that the driven wheel 19 provides some resistance to the body 11 being pulled freely across the floor by forces applied to the hose 12.
  • the user simply slides the switch actuator 16 forwardly to cause the motor 20 to drive the wheel 19: this causes the body 11 to move forwardly, with the direction of travel being determined by the direction of the pulling force applied to the hose 12 by the user.
  • the front wheel 22 turns about its vertical axis to steer the body 11 in the appropriate direction.
  • the body 11 can be driven rearwardly by sliding the switch actuator 16 rearwardly from its central position.
  • FIG. 5 of the drawings there is shown an alternative embodiment of canister vacuum cleaner in accordance with the present invention and like parts are given like reference numerals.
  • the conductors between the switch 15 and the body 11 are omitted and are replaced by a wireless link.
  • the switch 15 is connected to an RF transmitter 27 located on the wand 10.
  • a battery 28 is provided for powering the transmitter.
  • the transmitter 27 sends an appropriate wireless RF signal to a RF receiver 29 located in the body 11.
  • the receiver 29 incorporates a control circuit which connected to the motor 20, so that the motor 20 drives the body 11 forwardly or rearwardly according to the received signal.
  • a canister vacuum cleaner in accordance with the present invention is simple and inexpensive in construction yet enables the position of the body 11 to be precisely controlled to avoid possible obstruction to movement of the body 11 by contact or collision with furniture and other objects, and the possible damage and annoyance associated with such events. Also the need for the user to pay vigilant attention to the movement of the body 11 is negated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Claims (15)

  1. Aspirateur à cartouche comprenant un corps (11) comportant des moyens de séparation et de récupération de salissure et de poussière qui est aspirée dans l'aspirateur par une unité à moteur et à ventilateur (25) disposée dans le corps, et une tige tubulaire rigide (10) raccordée à un corps de l'aspirateur par le biais d'un tuyau flexible allongé (12), la tige tubulaire comportant une partie à poignée (14) permettant sa préhension par l'utilisateur, un moteur d'entraînement (20) dans le corps et un commutateur (15) sur la partie de poignée, afin d'actionner de manière choisie le moteur d'entraînement pour entraîner une roue entraînée (19) pour amener le corps à se déplacer à travers une surface de plancher sur laquelle se trouve le corps, caractérisé en ce que le corps comprend un moteur d'entraînement simple et une roue entraînée simple, la roue entraînée étant disposée entre les côtés opposés du côté inférieur du corps.
  2. Aspirateur à cartouche selon la revendication 1, conçu de sorte que quand le moteur d'entraînement n'est pas actionné, la roue entraînée est au moins en partie résistante à la rotation par des forces de traction appliquées au tuyau quand le corps est tiré à travers le plancher.
  3. Aspirateur à cartouche selon la revendication 1 ou 2, dans lequel ladite roue est disposée de manière centrale du côté inférieur du corps.
  4. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel la roue entraînée est disposée à côté d'une extrémité arrière du corps.
  5. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel un moyen est prévu sur les côtés opposés de ladite roue entraînée pour venir en contact avec la surface du plancher.
  6. Aspirateur à cartouche selon la revendication 5, dans lequel ledit moyen contient des roues permettant de venir en contact avec la surface du plancher.
  7. Aspirateur à cartouche selon la revendication 5, dans lequel ledit moyen contient des patins qui peuvent venir en contact avec la surface du plancher.
  8. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel l'avant du corps comprend un moyen permettant de venir en contact avec la surface du plancher.
  9. Aspirateur à cartouche selon la revendication 8, dans lequel ledit moyen permettant de venir en contact avec la surface du plancher comprend, à l'avant du corps, une roue qui est conçue pour faire office de roulette autour d'un axe normal à ladite surface de plancher.
  10. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel le commutateur est raccordé au moteur par un conducteur qui s'étend le long dudit tuyau.
  11. Aspirateur à cartouche selon l'une quelconque des revendications 1 à 9, dans lequel le commutateur est raccordé au moteur par le biais d'une liaison sans fil.
  12. Aspirateur à cartouche selon la revendication 11, dans lequel la liaison sans fil comprend une batterie et un émetteur dans la paroi, servant à émettre des signaux du commutateur au moteur.
  13. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel la roue entraînée est raccordée au moteur d'entraînement par une boîte de vitesses de réduction.
  14. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel le moteur d'entraînement est un moteur basse tension.
  15. Aspirateur à cartouche selon l'une quelconque des revendications précédentes, dans lequel le moteur d'entraînement est disposé radialement de la roue d'entraînement et comprend un axe de rotation qui s'étend perpendiculairement à l'axe de rotation de la roue d'entraînement.
EP15152287.7A 2014-01-24 2015-01-23 Aspirateur à réservoir Not-in-force EP2898808B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1401244.7A GB2522456B (en) 2014-01-24 2014-01-24 Canister vacuum cleaner

Publications (3)

Publication Number Publication Date
EP2898808A1 EP2898808A1 (fr) 2015-07-29
EP2898808B1 true EP2898808B1 (fr) 2016-09-14
EP2898808B8 EP2898808B8 (fr) 2017-01-11

Family

ID=50287529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15152287.7A Not-in-force EP2898808B8 (fr) 2014-01-24 2015-01-23 Aspirateur à réservoir

Country Status (3)

Country Link
EP (1) EP2898808B8 (fr)
CN (1) CN104799761B (fr)
GB (1) GB2522456B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102377296B1 (ko) * 2017-06-14 2022-03-23 엘지전자 주식회사 진공 청소기

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3355506B2 (ja) * 1994-08-30 2002-12-09 松下電器産業株式会社 移動作業用のロボット
IT1315383B1 (it) * 2000-02-01 2003-02-10 T P A Impex Spa Dispositivo di comando, particolarmente per apparecchi di puliziadomestica e/o industriale.
JP2003052595A (ja) * 2001-08-10 2003-02-25 Toshiba Tec Corp 掃除装置
US7113847B2 (en) * 2002-05-07 2006-09-26 Royal Appliance Mfg. Co. Robotic vacuum with removable portable vacuum and semi-automated environment mapping
US7725223B2 (en) * 2003-09-30 2010-05-25 Techtronic Floor Care Technology Limited Control arrangement for a propulsion unit for a self-propelled floor care appliance
JP4782684B2 (ja) * 2005-03-25 2011-09-28 株式会社東芝 電気掃除機
KR20070074145A (ko) * 2006-01-06 2007-07-12 삼성전자주식회사 청소기
JP4791937B2 (ja) * 2006-11-06 2011-10-12 株式会社東芝 電気掃除機
EP2152136B1 (fr) * 2007-05-07 2013-07-31 LG Electronics Inc. Aspirateur
KR20080107495A (ko) * 2007-06-07 2008-12-11 엘지전자 주식회사 진공 청소기

Also Published As

Publication number Publication date
CN104799761A (zh) 2015-07-29
GB2522456A (en) 2015-07-29
EP2898808A1 (fr) 2015-07-29
GB2522456B (en) 2016-03-23
EP2898808B8 (fr) 2017-01-11
CN104799761B (zh) 2017-11-10
GB201401244D0 (en) 2014-03-12

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