EP0593521A1 - Nettoyeur mobile de sols. - Google Patents

Nettoyeur mobile de sols.

Info

Publication number
EP0593521A1
EP0593521A1 EP92912779A EP92912779A EP0593521A1 EP 0593521 A1 EP0593521 A1 EP 0593521A1 EP 92912779 A EP92912779 A EP 92912779A EP 92912779 A EP92912779 A EP 92912779A EP 0593521 A1 EP0593521 A1 EP 0593521A1
Authority
EP
European Patent Office
Prior art keywords
fresh
liquid compartment
dirty
cleaning machine
compartment
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
EP92912779A
Other languages
German (de)
English (en)
Other versions
EP0593521B1 (fr
Inventor
Franz Kresse
Rainer Osberghaus
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0593521A1 publication Critical patent/EP0593521A1/fr
Application granted granted Critical
Publication of EP0593521B1 publication Critical patent/EP0593521B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47L11/4027—Filtering or separating contaminants or debris
    • 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
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • A47L11/283—Floor-scrubbing machines, motor-driven having rotary tools the tools being disc 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
    • 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
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A47L11/4019—Fill level sensors; Security means to prevent overflow, e.g. float valves

Definitions

  • the invention relates to a mobile floor cleaning machine with integrated fresh and dirty liquid compartments, with a cleaning rotor to be supplied from the fresh liquid compartment and with at least one suction nozzle conveying into the dirty liquid compartment Partition are separated.
  • Such a mobile floor cleaning machine is known from DE-OS 37 08 087 by the applicant.
  • cleaning liquid mixed with cleaning concentrate is sprayed onto the floor to be treated via a rotor from a separate fresh liquid compartment.
  • the rotor is used to scrub.
  • a beam-like water suction nozzle following the rotor when the machine is pushed forward serves to soak up the dirty water still remaining after scrubbing, so that the floor can be scrubbed thoroughly in one operation and, at the same time, wiped dry, that is, vacuumed off.
  • the known automatic cleaning machine has its own drive with its own energy supply, ie with a co-fired battery, so that it can be operated independently of mains connections.
  • the radius of action of the known automatic cleaning machine is limited by the size of the fresh liquid compartment.
  • this solution is unsatisfactory, since the intermediate wall designed as a filter clogs up very quickly due to the dirt particles, so that not enough dirt fluid passes through the filter into the fresh fluid compartment.
  • the object of the invention is therefore to improve the cleaning machines mentioned at the outset so that they are environmentally compatible Liche way has a significantly increased radius of action.
  • Fresh and dirty liquid compartment an overflow pipe penetrating the intermediate wall is arranged, the inlet opening of which is arranged above the bottom surface in the dirty liquid compartment and the outlet opening of which is arranged in the region of the bottom surface of the fresh liquid compartment.
  • the dirty water returned to the dirty liquid compartment initially sediments there, i.e. the solid dirt particles settle on the bottom surface of the dirty liquid compartment, while the dirty water, which is not contaminated with dirt particles, enters the fresh liquid compartment through the overflow inlet opening arranged at a sufficient height, if the corresponding fill levels both compartments are available.
  • the liquid flow from the dirt into the fresh liquid compartment depends only on the two fill levels, but not on the pressure prevailing in the container, since on The pressure equalization opening in both compartments has the same pressure. Almost no water is lost during the cleaning process, so that the floor cleaning machine has a very large operating radius.
  • the partition plate is arranged approximately diagonally in the dirty liquid compartment and / or if the partition plate has a rough surface. The measures taken back through these measures
  • a filter is arranged at the fresh liquid outlet of the fresh liquid compartment. This has the advantage that any dirt particles that are in the
  • the filter is designed as a filter cylinder with an exchangeable filter sock arranged thereon.
  • This filter cylinder has openings in the jacket which are covered by the filter sock.
  • the filter is arranged so that it is always below the liquid surface. Due to the movement of the cleaning machine and the associated movement of the water in the fresh liquid compartment, the filter cylinder is flushed again and again by the sloshing movement of the water, so that a blockage is largely avoided.
  • a vacuum monitor is arranged between the filter and the pump connected to the fresh liquid outlet line. Then occurs due to the blockage of the filter with no or too little liquid through the filter, a corresponding negative pressure is set up behind the filter, which is sensed by the negative pressure monitor. This vacuum monitor is then connected to a corresponding display (optically and / or acoustically) so that the operating personnel can change or clean the filter stocking accordingly.
  • FIG. 1 is a perspective view of a mobile floor cleaning machine according to the invention
  • Fig. 2 also partially in perspective a liquid container of the floor cleaning machine with fresh and dirty liquid compartment and
  • FIG. 3 in a simplified representation of a filter for the
  • the mobile floor cleaning machine shown in FIG. 1 has a carriage, generally designated 1, with castors 2 and a handlebar 3 with an operating device (not shown).
  • a large part of the interior of the carriage 1 is occupied by a liquid tank, generally designated 4, which can be closed with a cover 5.
  • the liquid tank 4 consists of a fresh water compartment 6 and a dirty water compartment 7, the two compartments being separated from one another by a fixed partition 8.
  • a cleaning rotor 9 On the underside of the carriage 1, a cleaning rotor 9 is shown, which can be driven by an invisible drive.
  • a plurality of suction nozzles 10 are provided, which are arranged on a suction bar 11.
  • a suction hose 12 with a connector 13 is connected to the suction bar 11 and opens into the dirty liquid compartment 7 of the liquid tank 4.
  • a pressure equalization opening 14 is provided in the intermediate wall 8 between the fresh and dirty liquid compartment 6, 7 in the upper region of the tank 4 (FIG. 2), which, when the naturally aspirated engine is not shown, is switched on Suction of the dirty water through the suction nozzles 10 ensures a uniform vacuum in the liquid tank 4.
  • the dirty liquid compartment 7 is divided into two areas by a diagonally arranged partition plate 15.
  • the partition plate 15 is only indicated to the remaining parts still recognizable in the tank.
  • the dirty water inlet opening (connection 13) is arranged, so that the dirty water first enters the upper area 16. 2, a float 17 and a filter screen 18 are also shown in the upper region 16 of the dirty liquid compartment 7.
  • the inlet opening 20 is in the
  • Dirty liquid compartment 7 is arranged above the bottom surface thereof, but below the diagonal partition plate 15 in the lower region 22 of the dirty liquid compartment 7.
  • the outlet opening 21, on the other hand, is arranged in the region of the bottom surface of the fresh liquid compartment 6.
  • a floating suction funnel 24 is arranged in the fresh liquid compartment 6 in the fresh liquid compartment 6 .
  • This suction funnel 24 is provided with a filter which is designed as a filter cylinder 25.
  • This filter cylinder 25 has a closed lid and bottom, but in the latter there is an outlet spout 26.
  • the jacket 27 of the Filterzy Linders 25 is heavily perforated, which is not shown in the drawing.
  • a filtering stocking 28 is drawn over the cylinder 25, which is preferably made of synthetic fabric with an appropriate mesh size (30 to 1000 ⁇ m).
  • a vacuum monitor 30 is connected via a T-piece, which is also only in principle in FIG. 3 is shown.
  • the liquid tank 4 When the automatic cleaning machine is started up, the liquid tank 4 is completely filled, ie both liquid compartments 6, 7. In the example, the tank 4 has a volume of approximately 60 l. If the naturally aspirated engine (not shown) is put into operation, a uniform negative pressure builds up in both liquid compartments 6, 7 due to the pressure compensation opening 14. The dirty water returned through the suction nozzles 10 reaches the upper area 16 of the dirty liquid compartment 6 through the suction hose 12 and the nozzle 13 or dirty water inlet 6. The dirty liquor is now initially in the upper area 16 and does not yet come into contact with the one below the separating plate 15 located liquid, so that no mixing with this partially clarified solution takes place. The one in Solid dirt contained in dirty water can settle on the surface of the separating plate 15, which is preferably ribbed.
  • the liquor must pass through in order to reach the other area 22 of the dirty liquid compartment 6.
  • a sedimentation process takes place, i.e. the solid dirt particles settle on the bottom of the liquid compartment 6.
  • the partially clarified liquid which is no longer loaded with solids, passes through the inlet opening 20 of the overflow pipe 19, which is located approximately at the 40 1 mark.
  • this liquid enters the fresh water compartment 6 in the bottom area thereof so that the pre-clarified liquor from the dirty water compartment 7 is directed opposite to the filter cylinder 25 to the bottom of the fresh water compartment 6.
  • the pre-clarified liquor which has entered the fresh liquid compartment 6 is discharged by the drain pump 29 through the filter cylinder 25 sucked in and pumped via the cleaning rotor 9 onto the cleaning surface.
  • the filter cylinder 25 is arranged so that it is constantly washed around in the liquid compartment 6. Due to the slight sloshing movements while driving, the filtering stocking 28 is flushed out again and again so that it does not clog up so quickly.

Landscapes

  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Filtration Of Liquid (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

Dans la partie supérieure de la cloison (8) d'un nettoyeur de sols est ménagée une ouverture (14) d'équilibrage de la pression et un tuyau (19) d'écoulement qui traverse la cloison (8) est agencé entre les compartiments (6, 7) contenant les liquides propre et sale de lavage. L'ouverture d'admission (20) du tuyau d'écoulement (19) est située au-dessus du fond du compartiment, dans la section (7) contenant le liquide sale de lavage, et son ouverture de sortie (21) est située dans la zone du fond du compartiment (6) contenant le liquide propre de lavage.
EP92912779A 1991-07-05 1992-06-26 Nettoyeur mobile de sols Expired - Lifetime EP0593521B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4122280A DE4122280C2 (de) 1991-07-05 1991-07-05 Fahrbarer Bodenreinigungsautomat
DE4122280 1991-07-05
PCT/EP1992/001447 WO1993000853A1 (fr) 1991-07-05 1992-06-26 Nettoyeur mobile de sols

Publications (2)

Publication Number Publication Date
EP0593521A1 true EP0593521A1 (fr) 1994-04-27
EP0593521B1 EP0593521B1 (fr) 1996-02-21

Family

ID=6435503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92912779A Expired - Lifetime EP0593521B1 (fr) 1991-07-05 1992-06-26 Nettoyeur mobile de sols

Country Status (7)

Country Link
US (1) US5535476A (fr)
EP (1) EP0593521B1 (fr)
AT (1) ATE134306T1 (fr)
DE (2) DE4122280C2 (fr)
ES (1) ES2084362T3 (fr)
GR (1) GR3019102T3 (fr)
WO (1) WO1993000853A1 (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994009691A1 (fr) * 1992-10-28 1994-05-11 Henkel-Ecolab Gmbh & Co. Ohg Nettoyeur de sols mobile
DE9309461U1 (de) * 1993-06-25 1993-08-19 Henkel-Ecolab GmbH & Co oHG, 40589 Düsseldorf Fahrbarer Bodenreinigungsautomat
DE4429617C1 (de) * 1994-08-20 1995-11-30 Henkel Ecolab Gmbh & Co Ohg Fahrbarer Bodenreinigungsautomat
USD426354S (en) * 1998-07-21 2000-06-06 Ryobi North America, Inc. Gasoline engine powered blower vac
US6857162B1 (en) 1998-10-12 2005-02-22 Nilfisk Advance A/S Cleaning and/or treatment device
US8412377B2 (en) 2000-01-24 2013-04-02 Irobot Corporation Obstacle following sensor scheme for a mobile robot
US6956348B2 (en) 2004-01-28 2005-10-18 Irobot Corporation Debris sensor for cleaning apparatus
US20100107562A1 (en) * 2000-06-28 2010-05-06 Weder Donald E Sheets of material having a first printed pattern on an upper surface thereof and a second printed pattern on a lower surface thereof
US7571511B2 (en) 2002-01-03 2009-08-11 Irobot Corporation Autonomous floor-cleaning robot
US6690134B1 (en) 2001-01-24 2004-02-10 Irobot Corporation Method and system for robot localization and confinement
US7663333B2 (en) 2001-06-12 2010-02-16 Irobot Corporation Method and system for multi-mode coverage for an autonomous robot
US8428778B2 (en) 2002-09-13 2013-04-23 Irobot Corporation Navigational control system for a robotic device
US7240394B2 (en) * 2003-12-06 2007-07-10 The Hoover Company Cleaning machine for cleaning a surface
US20050125935A1 (en) * 2003-12-16 2005-06-16 Leonatti John A. Cleaning machine for cleaning a surface
US7332890B2 (en) 2004-01-21 2008-02-19 Irobot Corporation Autonomous robot auto-docking and energy management systems and methods
WO2006002385A1 (fr) 2004-06-24 2006-01-05 Irobot Corporation Outil de programmation et de diagnostic pour robot mobile
US8972052B2 (en) 2004-07-07 2015-03-03 Irobot Corporation Celestial navigation system for an autonomous vehicle
US7706917B1 (en) 2004-07-07 2010-04-27 Irobot Corporation Celestial navigation system for an autonomous robot
ATE523130T1 (de) 2005-02-18 2011-09-15 Irobot Corp Selbstfahrender flächenreinigungsroboter für nass-und trockenreinigung
US7620476B2 (en) 2005-02-18 2009-11-17 Irobot Corporation Autonomous surface cleaning robot for dry cleaning
US8392021B2 (en) 2005-02-18 2013-03-05 Irobot Corporation Autonomous surface cleaning robot for wet cleaning
US7389156B2 (en) 2005-02-18 2008-06-17 Irobot Corporation Autonomous surface cleaning robot for wet and dry cleaning
US8930023B2 (en) 2009-11-06 2015-01-06 Irobot Corporation Localization by learning of wave-signal distributions
BRPI0611656A2 (pt) 2005-05-05 2011-05-31 Tennant Co maquinário para varrer e esfregar o chão, e, método de limpeza de uma superfìcie
EP2829939B1 (fr) 2005-12-02 2019-11-13 iRobot Corporation Système de navigation par robot autonome parcourant une zone
KR101300493B1 (ko) 2005-12-02 2013-09-02 아이로보트 코퍼레이션 커버리지 로봇 이동성
EP1969438B1 (fr) 2005-12-02 2009-09-09 iRobot Corporation Robot modulaire
EP2533120B1 (fr) 2005-12-02 2019-01-16 iRobot Corporation Système de robot
EP2548492B1 (fr) 2006-05-19 2016-04-20 iRobot Corporation Élimination de débris de robots de nettoyage
US8417383B2 (en) 2006-05-31 2013-04-09 Irobot Corporation Detecting robot stasis
KR20140123110A (ko) 2007-05-09 2014-10-21 아이로보트 코퍼레이션 소형 자율 커버리지 로봇
EP3843599B1 (fr) * 2018-08-30 2023-06-14 iRobot Corporation Commande de stations d'évacuation

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Also Published As

Publication number Publication date
DE4122280A1 (de) 1993-01-14
EP0593521B1 (fr) 1996-02-21
WO1993000853A1 (fr) 1993-01-21
DE4122280C2 (de) 1994-08-18
ES2084362T3 (es) 1996-05-01
DE59205413D1 (de) 1996-03-28
US5535476A (en) 1996-07-16
ATE134306T1 (de) 1996-03-15
GR3019102T3 (en) 1996-05-31

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