FR2754184A1 - Washing machine and dishwasher disinfecting system - Google Patents

Washing machine and dishwasher disinfecting system Download PDF

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Publication number
FR2754184A1
FR2754184A1 FR9612410A FR9612410A FR2754184A1 FR 2754184 A1 FR2754184 A1 FR 2754184A1 FR 9612410 A FR9612410 A FR 9612410A FR 9612410 A FR9612410 A FR 9612410A FR 2754184 A1 FR2754184 A1 FR 2754184A1
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France
Prior art keywords
machine
disinfectant
reservoir
concentrated
disinfection
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Granted
Application number
FR9612410A
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French (fr)
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FR2754184B1 (en
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Priority to FR9612410A priority Critical patent/FR2754184B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

A system for disinfecting the drums, chambers and used water outlets of washing machines and dishwashers consists of a container (4) of a concentrated disinfectant product (1) which is injected into the machine (2) at its mixing point (6) by a dosing pump (5) controlled by a programme (3) before, during or after the normal use of the machine. The injection of the concentrated disinfectant can be made via a Venturi system installed in the machine's water intake or an electrically-operated valve. The disinfectant product can be, for example, a dialdehyde or quaternary ammonium, designed to combat bacteria, fungi and other pathogens, and can have added pH correctors, sequestrant polyacids, ambivalent cations and perfumes.

Description

La présente invention concerne un dispositif pour la désinfection des tambours, cuves et acccessoires d'évacuation des eaux usées des machines à laver le linge ou la vaisselle. The present invention relates to a device for disinfecting drums, tanks and accessories for discharging waste water from washing machines or dishes.

Cette prestation n'existe" pas en mode automatique, avant, pendant ou après les opérations de prélavage, lavage, rinçage et essorage des machines à laver. Le dispositif permet la désinfection automatique des tambours, cuves et accessoires de vidange des machines à laver, avant, pendant ou après l'usage habituel de ces machines. Le dispositif est applicable dans les machines à laver industrielles, collectives, publiques ou domestiques. Il permet de lever le doute sur l'aseptisation de la machine. I1 libère l'usager de certaines appréhensions ou réticences, devant l'utilisation éventuelle d'une machine à laver industrielle, collective, publique ou domestique. This service does not exist in automatic mode, before, during or after the prewash, washing, rinsing and spinning operations of washing machines. The device allows automatic disinfection of drums, tanks and accessories for emptying washing machines, before, during or after the usual use of these machines. The device is applicable in industrial, collective, public or domestic washing machines. It allows to remove the doubt on the sanitization of the machine. It frees the user from certain apprehensions or reluctance regarding the possible use of an industrial, collective, public or domestic washing machine.

Un réservoir (4) de produit désinfectant (1) concentré, permet d'incorporer à l'eau qui arrive dans la machine (2) une dose de produit désinfectant (I) actif pour le temps nécessaire à la désinfection , machine (2) en service, du tambour, de la cuve et des accessoires de vidange des eaux usées. La désinfection peut être réalisée avant, pendant ou après la lessive ou la vaisselle, la machine (2) fonctionnant avec ou sans le linge ou la vaisselle, c'est à dire préalablement, simultanément ou postérieurement aux opérations de lavage, rinçage, essorage et séchage. A reservoir (4) of concentrated disinfectant (1) allows to incorporate into the water entering the machine (2) a dose of disinfectant (I) active for the time necessary for disinfection, machine (2) in service, the drum, the tank and the accessories for draining the waste water. Disinfection can be carried out before, during or after washing or washing the dishes, the machine (2) operating with or without the laundry or the dishes, that is to say before, simultaneously or after washing, rinsing, spinning and drying.

Le dispositif selon l'invention sera mieux compris en se référant aux figures:
La fig 1 représente le schéma de base de l'invention.The device according to the invention will be better understood by referring to the figures:
Fig 1 shows the basic diagram of the invention.

Les fig 2 - 3 - 4 - 5 - 6 représentent des variantes du système précédent. Figs 2 - 3 - 4 - 5 - 6 represent variants of the previous system.

fig 1 - Le programmateur (3) ajouté à la machine (2) pilote une pompe (5) qui prélève une dose de désinfectant (1) dans un réservoir (4) de concentré, et l'injecte dans la machine (2) par le point mélangeur (6) avec l'eau du réseau qui alimente la machine (2).  fig 1 - The programmer (3) added to the machine (2) controls a pump (5) which takes a dose of disinfectant (1) from a reservoir (4) of concentrate, and injects it into the machine (2) by the mixing point (6) with the mains water which supplies the machine (2).

fig 2 - Le programmateur (7) de la machine (2) pilote une pompe (5) qui prélève une dose de désinfectant (1) dans un réservoir (4) de concentré, et 1'injecte dans la machine (2) par le point mélangeur (6) avec l'eau du réseau qui alimente la machine (2). fig 2 - The programmer (7) of the machine (2) controls a pump (5) which takes a dose of disinfectant (1) from a reservoir (4) of concentrate, and injects it into the machine (2) through the mixing point (6) with the mains water which supplies the machine (2).

fig 3 - Un système venturi (8) à différence de pression, installé sur le passage de l'eau du réseau qui alimente la machine, (2) prélève dans le réservoir (4) la quantité de désinfectant (1) nécessaire à l'opération de désinfection,
fig 4 - Un réservoir de produit désinfectant (1) concentré en amont de la machine (2) délivre par l'électrovanne (9) la dose de désinfectant (1) ajouté à l'eau qui alimente la machine (2) pour réaliser l'opération de désinfection.fig 3 - A venturi system (8) with pressure difference, installed on the network water passage which feeds the machine, (2) draws from the tank (4) the quantity of disinfectant (1) necessary for disinfection operation,
fig 4 - A reservoir of disinfectant (1) concentrated upstream of the machine (2) delivers by the solenoid valve (9) the dose of disinfectant (1) added to the water which feeds the machine (2) to make the disinfection operation.

fig 5 - Un réservoir (4) de produit désinfectant (1) prêt à l'emploi (déja mélangé avec de 1'eau) à côté de la machine (2), délivre par la pompe d'injection (10) la quantité de désinfectant (1) nécessaire à la désinfection de la machine (2) selon une temporisation (11) coordonnée avec le fonctionnement de la machine (2)
fig 6 - Un réservoir (4) de produit désinfectant (1) prêt à l'emploi (déja mélangé avec de l'eau) en amont de la machine (2) délivre par l'électrovanne (9) la quantité de produit désinfectant (1) nécessaire à la désinfection, selon une temporisation (11) coordonnée avec le fonctionnement de la machine (2)
Après la désinfection de la maclil ne, avant, pendant ou après son utilisation, désinfection qui peut durer de I à fi minutes selon le réglage, la machine se vidange, et la i > orte du tambour est ouverte, automatiquement ou manuellement.fig 5 - A reservoir (4) of disinfectant (1) ready for use (already mixed with water) next to the machine (2), delivers by the injection pump (10) the amount of disinfectant (1) necessary for disinfecting the machine (2) according to a time delay (11) coordinated with the operation of the machine (2)
fig 6 - A reservoir (4) of disinfectant (1) ready for use (already mixed with water) upstream of the machine (2) delivers by the solenoid valve (9) the quantity of disinfectant ( 1) necessary for disinfection, according to a time delay (11) coordinated with the operation of the machine (2)
After the disinfection of the maclil, before, during or after its use, disinfection which can last from I to fi minutes depending on the setting, the machine empties, and the door of the drum is opened, automatically or manually.

Tambour, cuve et accessotres était désinfectés, la lessl.ve ou
la vaisselle proprement dite peut comrnencer.Drum, tank and accessories were disinfected, the lessl.ve or
the dishes themselves can start.

le produit désinfectant (l) correspond au descriptif
suivant: solution aqueuse concentrée, contenant un mélange de produits désinfectants, stable pendant une durée minimale de trois mois, et pleinement active après injection et dilution
dans un facteur approprié, par de l'eau, même dure, daiis le
tambour, pendant une période de I à 8 minutes, laquelle
peut être réglée selon les besoins. the disinfectant (l) corresponds to the description
following: concentrated aqueous solution, containing a mixture of disinfectant products, stable for a minimum of three months, and fully active after injection and dilution
in an appropriate factor, even with hard water, daiis the
drum, for a period of I to 8 minutes, which
can be adjusted as required.

Les produits désinfectants peuvent être des dialdéydes, des ammoniums quaternaires, associés ou non entre eux, et/ou à d'autres molécules actives. Dans les conditions ci-dessus et à la température choisie, l'association doit être active contre les bactéries Gram + et Gram - et les fungi, les plus pathogènes. L'activité anti-virale n'est pas recherchée, car ce risque de contage, reste ici improbable. La solution est additionnée de correcteurs de pn, de polyacides séquestrants, de cations ambivalents et de substances parfumantes.  The disinfectant products can be dialdehydes, quaternary ammoniums, associated or not with each other, and / or with other active molecules. Under the above conditions and at the chosen temperature, the combination must be active against Gram + and Gram - bacteria and fungi, the most pathogenic. Anti-viral activity is not sought, because this risk of contagion, remains here improbable. The solution is supplemented with pn correctors, sequestering polyacids, ambivalent cations and perfuming substances.

Claims (4)

REVENDICATIONS 1 - Dispositif pour la désinfection des tambours, cuves et accessoires d'évacuation des eaux usées, des machines à laver (2) le linge ou la vaisselle, caractérisé en ce qu'il comporte un réservoir (4) de produit désinfectant (1) concentré injecté dans la machine (2) au point mélangeur (6) par une pompe doseuse (5) commandée par un programmateur (3) installé dans la machine (2) pour cet usage, la désinfection se faisant avant, pendant ou après l'utilisation normale de la machine (2).1 - Device for disinfecting drums, tanks and accessories for discharging waste water, washing machines (2) laundry or dishes, characterized in that it comprises a reservoir (4) of disinfectant product (1) concentrate injected into the machine (2) at the mixing point (6) by a metering pump (5) controlled by a programmer (3) installed in the machine (2) for this use, disinfection being done before, during or after normal use of the machine (2). 2 - Dispositif selon la revendication 1, caractérisé en ce qu'il comporte un réservoir (4) de produit désinfectant (1) concentré, injecté dans la machine (2) au point mélangeur (6) par une pompe doseuse (5) commandée par le programmateur (7) de la machine (2), modifié et réglé pour cette opération de désinfection, 3 - Dispositif selon la revendication 1, caractérisé en ce au'il comporte un réservoir (4) de produit désinfectant (1) concentré, injecté dans la machine (2) par un système venturi (8) à différence de pression, installé sur le passage de l'eau du réseau qui arrive dans la machine (2) et prélevant dans le réservoir (4), la quantité de désinfectant (1) nécessaire à l'opération de désinfection.2 - Device according to claim 1, characterized in that it comprises a reservoir (4) of disinfectant (1) concentrated, injected into the machine (2) at the mixing point (6) by a metering pump (5) controlled by the programmer (7) of the machine (2), modified and adjusted for this disinfection operation, 3 - Device according to claim 1, characterized in that it comprises a reservoir (4) of disinfectant (1) concentrated, injected in the machine (2) by a venturi system (8) with pressure difference, installed on the passage of the network water which arrives in the machine (2) and taking in the tank (4), the quantity of disinfectant ( 1) necessary for the disinfection operation. 4 - Dispositif selon la revendication 1, caractérisé en ce qu'il comporte un réservoir (4) de produit désinfectant (l)conbentré en amont de la machine (2) le prélèvement se faisant par l'électrovanne (9) qui ajoute la dose de désinfectant (1) à l'eau qui arrive dans la machine (2) pour réaliser l'opération de désinfection.4 - Device according to claim 1, characterized in that it comprises a reservoir (4) of disinfectant (l) concentrated upstream of the machine (2) the sampling being done by the solenoid valve (9) which adds the dose of disinfectant (1) to the water which arrives in the machine (2) to carry out the disinfection operation. 5 - Dispositif selon la revendication 1, caractérisé en ce qu'il comporte un réservoir (4) de produit désinfectant (1) pret à l'emploi déja mélangé avec de veau, à côté de ia machine (2), une pompe d'injection (10) assurant la livraison du désinfectant (1) dans la machine (2) selon une temporisation (11) coordonnée avec le fonctionnement de la machine (2) 6 - Dispositif selon la revendication 1, caractérisé en ce qu'il comporte un réservoir (4) de produit désinfectant (1) prEt à l'emploi, en amont de la machine (2), une électrovanne (9) délivrant le produit désinfectant (1) dans la machine (2) selon une temporisation (11) coordonnée avec le fonctionnement de la machine (2) 5 - Device according to claim 1, characterized in that it comprises a reservoir (4) of disinfectant (1) ready to use already mixed with calf, next to ia machine (2), a pump injection (10) ensuring delivery of the disinfectant (1) into the machine (2) according to a time delay (11) coordinated with the operation of the machine (2) 6 - Device according to claim 1, characterized in that it comprises a reservoir (4) of disinfectant (1) READY to use, upstream of the machine (2), a solenoid valve (9) delivering the disinfectant (1) into the machine (2) according to a coordinated time delay (11) with machine operation (2)
FR9612410A 1996-10-08 1996-10-08 PROCESS FOR THE DISINFECTION OF DRUMS AND TANKS AND ACCESSORIES FOR DRAINING LAUNDRY OR DISHWASHER Expired - Fee Related FR2754184B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9612410A FR2754184B1 (en) 1996-10-08 1996-10-08 PROCESS FOR THE DISINFECTION OF DRUMS AND TANKS AND ACCESSORIES FOR DRAINING LAUNDRY OR DISHWASHER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9612410A FR2754184B1 (en) 1996-10-08 1996-10-08 PROCESS FOR THE DISINFECTION OF DRUMS AND TANKS AND ACCESSORIES FOR DRAINING LAUNDRY OR DISHWASHER

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FR2754184A1 true FR2754184A1 (en) 1998-04-10
FR2754184B1 FR2754184B1 (en) 1998-11-06

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001025388A1 (en) * 1999-09-30 2001-04-12 The Procter & Gamble Company Process for promoting sanitization of articles during post-wash stage of automatic dishwashing
WO2005001189A1 (en) 2003-06-23 2005-01-06 BSH Bosch und Siemens Hausgeräte GmbH Method for cleaning water-bearing domestic cleaning appliances
EP1728912A1 (en) * 2005-06-02 2006-12-06 Unilever N.V. Automatic dispensing device for laundry detergent composition with intermedicate chamber
US7398787B2 (en) 2004-10-18 2008-07-15 Unilever Home & Personal Care Usa Division Of Conopco, Inc. Automatic dispensing device for laundry care composition
EP2316996A2 (en) * 2008-06-09 2011-05-04 Daewoo Electronics Corporation Method for removing mildew in a washing machine
WO2016055353A1 (en) * 2014-10-10 2016-04-14 BSH Hausgeräte GmbH Method for controlling micro-organisms in a water-conducting household appliance and suitable household appliance therefor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702069A (en) * 1971-07-01 1972-11-07 Gen Motors Corp Apparatus for sanitizing a domestic clothes washer
US3881328A (en) * 1971-12-22 1975-05-06 Economics Lab Electronic detergent dispensing system
DE2409854A1 (en) * 1974-03-01 1975-09-11 Burger Eisenwerke Ag Washing machine - providing two washes and a rinse and disinfectant means
US4218264A (en) * 1979-03-09 1980-08-19 Federighi George B Dishwasher utilizing pump impeller suction for feeding detergent, sanitizing agent and rinse aid in timed sequences
EP0025700A1 (en) * 1979-09-12 1981-03-25 Hobart International, Inc. Continuous duty chemically sanitizing batch rinse system and method
EP0048519A1 (en) * 1980-09-24 1982-03-31 Unilever N.V. Mechanical dishwashing process and apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702069A (en) * 1971-07-01 1972-11-07 Gen Motors Corp Apparatus for sanitizing a domestic clothes washer
US3881328A (en) * 1971-12-22 1975-05-06 Economics Lab Electronic detergent dispensing system
DE2409854A1 (en) * 1974-03-01 1975-09-11 Burger Eisenwerke Ag Washing machine - providing two washes and a rinse and disinfectant means
US4218264A (en) * 1979-03-09 1980-08-19 Federighi George B Dishwasher utilizing pump impeller suction for feeding detergent, sanitizing agent and rinse aid in timed sequences
EP0025700A1 (en) * 1979-09-12 1981-03-25 Hobart International, Inc. Continuous duty chemically sanitizing batch rinse system and method
EP0048519A1 (en) * 1980-09-24 1982-03-31 Unilever N.V. Mechanical dishwashing process and apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001025388A1 (en) * 1999-09-30 2001-04-12 The Procter & Gamble Company Process for promoting sanitization of articles during post-wash stage of automatic dishwashing
WO2005001189A1 (en) 2003-06-23 2005-01-06 BSH Bosch und Siemens Hausgeräte GmbH Method for cleaning water-bearing domestic cleaning appliances
US7585374B2 (en) 2003-06-23 2009-09-08 Bsh Bosch Und Siemens Hausgeraete Gmbh Method for cleaning water-bearing domestic cleaning appliances
US7398787B2 (en) 2004-10-18 2008-07-15 Unilever Home & Personal Care Usa Division Of Conopco, Inc. Automatic dispensing device for laundry care composition
EP1728912A1 (en) * 2005-06-02 2006-12-06 Unilever N.V. Automatic dispensing device for laundry detergent composition with intermedicate chamber
EP2316996A2 (en) * 2008-06-09 2011-05-04 Daewoo Electronics Corporation Method for removing mildew in a washing machine
EP2316996A4 (en) * 2008-06-09 2013-10-02 Daewoo Electronics Corp Method for removing mildew in a washing machine
WO2016055353A1 (en) * 2014-10-10 2016-04-14 BSH Hausgeräte GmbH Method for controlling micro-organisms in a water-conducting household appliance and suitable household appliance therefor

Also Published As

Publication number Publication date
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