CA2172723A1 - Method of Dosing Detergent Product - Google Patents

Method of Dosing Detergent Product

Info

Publication number
CA2172723A1
CA2172723A1 CA2172723A CA2172723A CA2172723A1 CA 2172723 A1 CA2172723 A1 CA 2172723A1 CA 2172723 A CA2172723 A CA 2172723A CA 2172723 A CA2172723 A CA 2172723A CA 2172723 A1 CA2172723 A1 CA 2172723A1
Authority
CA
Canada
Prior art keywords
detergent
measured
washing solution
dosing
property
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
CA2172723A
Other languages
French (fr)
Other versions
CA2172723C (en
Inventor
Wilhelmus Klaas Der Kinderen
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.)
Diversey Inc
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 CA2172723A1 publication Critical patent/CA2172723A1/en
Application granted granted Critical
Publication of CA2172723C publication Critical patent/CA2172723C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D06F2103/22—Content of detergent or additives
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42—Detergent or additive supply
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

A method is provided of dosing detergent product into a washing solution present in an industrial washing machine, comprising measuring, from a washing solution containing water and detergent material, a property which is proportional to the detergent concentration of said washing solution, and adding detergent product to the washing solution if the value of the measured property corresponds to a detergent concentration below a preset threshold value, whereby the measured property is the electroconductivity of the washing solution, said property being measured using a measuring cell including one or more electrodes (3, 4) characterised by the steps of: (a) dosing, during filling of the washing machine with clean water, a sufficient amount of detergent product so as to attain present threshold value, followed by mixing of said dosed tetergent product with the water; (b) measuring the conductivity of the thus obtained wash liquor, after a mixing time of less than 2 minutes; and (c) storing said measured conductivity and the detergent concentration value corresponding thereto, as the preset threshold values, in the memory (3) of a controller (1), which is attached to the measuring cell and controls the dosing of detergent product as a function of the conductivity measured.
CA002172723A 1993-11-02 1994-10-24 Method of dosing detergent product Expired - Lifetime CA2172723C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP93203065.3 1993-11-02
EP93203065 1993-11-02

Publications (2)

Publication Number Publication Date
CA2172723A1 true CA2172723A1 (en) 1995-05-11
CA2172723C CA2172723C (en) 1997-11-25

Family

ID=8214155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002172723A Expired - Lifetime CA2172723C (en) 1993-11-02 1994-10-24 Method of dosing detergent product

Country Status (9)

Country Link
EP (1) EP0726978B1 (en)
AU (1) AU679281B2 (en)
BR (1) BR9407967A (en)
CA (1) CA2172723C (en)
DE (1) DE69413246T2 (en)
ES (1) ES2123161T3 (en)
FI (1) FI108866B (en)
WO (1) WO1995012704A1 (en)
ZA (1) ZA948468B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938010A1 (en) * 1999-08-11 2001-02-15 Bsh Bosch Siemens Hausgeraete Process for controlling, regulating and documenting a cleaning process
US6958693B2 (en) 2002-05-24 2005-10-25 Procter & Gamble Company Sensor device and methods for using same
WO2004106615A1 (en) * 2003-05-28 2004-12-09 Lg Electronics Inc. Washing machine and the control method of the same
WO2004106616A1 (en) * 2003-05-28 2004-12-09 Lg Electronics, Inc. Control method of washing machine
US7571734B2 (en) 2005-01-20 2009-08-11 General Electric Company Fluid dispensing system for a washing device
US7581437B2 (en) 2006-04-07 2009-09-01 Masco Corporation Level sensor for granules in water
US8056374B2 (en) 2007-10-12 2011-11-15 General Electric Company Multiple compartments wash additives auto-dispenser in washer or dryer pedestal
US8056747B2 (en) 2007-10-12 2011-11-15 General Electric Company Removable tank for laundry bulk dispenser system
US7802335B2 (en) 2007-10-12 2010-09-28 General Electric Company Bulk dispense user adjustable controls
US8266748B2 (en) 2008-07-01 2012-09-18 Whirlpool Corporation Apparatus and method for controlling bulk dispensing of wash aid by sensing wash aid concentration
US8388695B2 (en) 2008-07-01 2013-03-05 Whirlpool Corporation Apparatus and method for controlling laundering cycle by sensing wash aid concentration
EP3396052B1 (en) * 2011-12-14 2023-12-27 Ecolab USA Inc. Optimized dishwashing machine and its use

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3645669A (en) * 1969-02-28 1972-02-29 Gerhard Rausch Method and arrangement for testing the liquid in washing machines
FI773869A (en) * 1977-12-20 1979-06-21 Asko Upo Oy FOERFARANDE OCH ANORDNING FOER STYRNING AV SKOELJNINGEN I EN TVAETTMASKIN
US4733798A (en) * 1986-02-05 1988-03-29 Ecolab Inc. Method and apparatus for controlling the concentration of a chemical solution
FI80729C (en) * 1988-04-07 1990-07-10 Vesa Hakulinen FOERFARANDE OCH ANORDNING FOER DOSERING AV TVAETTMEDEL.
KR920018284A (en) * 1991-03-29 1992-10-21 가나이 쓰도무 washer

Also Published As

Publication number Publication date
DE69413246T2 (en) 1999-02-18
FI961837A0 (en) 1996-04-30
EP0726978A1 (en) 1996-08-21
ZA948468B (en) 1996-04-29
WO1995012704A1 (en) 1995-05-11
AU679281B2 (en) 1997-06-26
CA2172723C (en) 1997-11-25
ES2123161T3 (en) 1999-01-01
FI961837A (en) 1996-04-30
FI108866B (en) 2002-04-15
DE69413246D1 (en) 1998-10-15
AU8059994A (en) 1995-05-23
BR9407967A (en) 1996-12-03
EP0726978B1 (en) 1998-09-09

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20141024

MKEX Expiry

Effective date: 20141024