EP1297780A3 - Einrichtung mit einem Trübungssensor für eine Geschirrspülmaschine oder Waschmaschine - Google Patents

Einrichtung mit einem Trübungssensor für eine Geschirrspülmaschine oder Waschmaschine Download PDF

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Publication number
EP1297780A3
EP1297780A3 EP02020110A EP02020110A EP1297780A3 EP 1297780 A3 EP1297780 A3 EP 1297780A3 EP 02020110 A EP02020110 A EP 02020110A EP 02020110 A EP02020110 A EP 02020110A EP 1297780 A3 EP1297780 A3 EP 1297780A3
Authority
EP
European Patent Office
Prior art keywords
flow
dishwasher
washing machine
turbidity sensor
sensor
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
EP02020110A
Other languages
English (en)
French (fr)
Other versions
EP1297780B1 (de
EP1297780A2 (de
Inventor
Andre Bertram
Erik Ekelhoff
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1297780A2 publication Critical patent/EP1297780A2/de
Publication of EP1297780A3 publication Critical patent/EP1297780A3/de
Application granted granted Critical
Publication of EP1297780B1 publication Critical patent/EP1297780B1/de
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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Der Gegenstand der Erfindung betrifft eine Einrichtung (1) zur Verhinderung einer Schaumoder Luftblasenansammlung in der Messzone (3) eines insbesondere im Spülwasserkreislauf einer Geschirrspülmaschine oder Waschmaschine angeordneten Trübungssensors (2), wobei die Messzone (3) mit dem Trübungssensor (2) in einem als Luftblasenabscheider ausgebildeten Leitungsweg der Spülflüssigkeit angeordnet ist. Erfindungsgemäß ist die Messzone (3) mit dem Trübungssensor (2) im Bereich des größten Querschnitts einer sich stetig nach oben und unten vergrößernden Bypassleitung (4) angeordnet, wobei die Bypassleitung (4) einem Hauptleitungsweg (5) für die Spülflüssigkeit parallelgeschaltet ist. Durch eine mehrfache Reduzierung der Strömungsgeschwindigkeit der Spülflüssigkeit auf ihrem Weg zur Messzone (3) hin wird vorteilhaft eine Trennung von Schaum und/oder Luftblasen (10) aus der Flüssigkeit im Bereich der Messzone (3) des Trübungssensors (2) erreicht.
EP02020110A 2001-09-21 2002-09-07 Geschirrspülmaschine oder Waschmaschine mit einer Einrichtung mit einem Trübungssensor Expired - Lifetime EP1297780B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10146641 2001-09-21
DE10146641A DE10146641C1 (de) 2001-09-21 2001-09-21 Einrichtung mit einem Trübungssensor für eine Geschirrspülmaschine oder Waschmaschine

Publications (3)

Publication Number Publication Date
EP1297780A2 EP1297780A2 (de) 2003-04-02
EP1297780A3 true EP1297780A3 (de) 2006-04-12
EP1297780B1 EP1297780B1 (de) 2007-03-07

Family

ID=7699848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020110A Expired - Lifetime EP1297780B1 (de) 2001-09-21 2002-09-07 Geschirrspülmaschine oder Waschmaschine mit einer Einrichtung mit einem Trübungssensor

Country Status (4)

Country Link
EP (1) EP1297780B1 (de)
AT (1) ATE356350T1 (de)
DE (2) DE10146641C1 (de)
ES (1) ES2280463T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319467B3 (de) 2003-04-29 2004-07-22 Miele & Cie. Kg Einrichtung mit einem Trübungssensor für eine Geschirrspülmaschine oder Waschmaschine
EP2708636A1 (de) * 2012-09-14 2014-03-19 Electrolux Home Products Corporation N.V. Anwendung mit einer Flüssigkeitsleitungsvorrichtung
DE102018205502A1 (de) * 2018-04-11 2019-10-17 E.G.O. Elektro-Gerätebau GmbH Sensorvorrichtung und Verfahren zur Untersuchung einer Flüssigkeit und Waschmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140168A (en) * 1990-12-03 1992-08-18 Great Lakes Instruments, Inc. Turbidimeter signal processing circuit using alternating light sources
JPH05154278A (ja) * 1991-12-03 1993-06-22 Matsushita Electric Ind Co Ltd 洗濯機の濁度検知装置
US5331177A (en) * 1993-04-26 1994-07-19 Honeywell Inc. Turbidity sensor with analog to digital conversion capability
EP0862891A2 (de) * 1997-02-17 1998-09-09 AEG Hausgeräte GmbH Geschirrspülmaschine mit einer Einrichtung zum Ermitteln des Verschmutzungsgrades einer Spülflüssigkeit
EP1208790A2 (de) * 2000-11-28 2002-05-29 Miele & Cie. GmbH & Co. Geschirrspülmaschine mit einer Einrichtung zur Verhinderung einer Schaum- oder Luftblasenansammlung in der Messzone eines Trübungssensors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140168A (en) * 1990-12-03 1992-08-18 Great Lakes Instruments, Inc. Turbidimeter signal processing circuit using alternating light sources
JPH05154278A (ja) * 1991-12-03 1993-06-22 Matsushita Electric Ind Co Ltd 洗濯機の濁度検知装置
US5331177A (en) * 1993-04-26 1994-07-19 Honeywell Inc. Turbidity sensor with analog to digital conversion capability
EP0862891A2 (de) * 1997-02-17 1998-09-09 AEG Hausgeräte GmbH Geschirrspülmaschine mit einer Einrichtung zum Ermitteln des Verschmutzungsgrades einer Spülflüssigkeit
EP1208790A2 (de) * 2000-11-28 2002-05-29 Miele & Cie. GmbH & Co. Geschirrspülmaschine mit einer Einrichtung zur Verhinderung einer Schaum- oder Luftblasenansammlung in der Messzone eines Trübungssensors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 547 (C - 1116) 4 October 1993 (1993-10-04) *

Also Published As

Publication number Publication date
EP1297780B1 (de) 2007-03-07
ES2280463T3 (es) 2007-09-16
ATE356350T1 (de) 2007-03-15
DE10146641C1 (de) 2002-12-12
DE50209638D1 (de) 2007-04-19
EP1297780A2 (de) 2003-04-02

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