EP1843693B1 - A dishwasher and the control method - Google Patents

A dishwasher and the control method Download PDF

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Publication number
EP1843693B1
EP1843693B1 EP06710784.7A EP06710784A EP1843693B1 EP 1843693 B1 EP1843693 B1 EP 1843693B1 EP 06710784 A EP06710784 A EP 06710784A EP 1843693 B1 EP1843693 B1 EP 1843693B1
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EP
European Patent Office
Prior art keywords
odor
dishwasher
wash water
washing program
dishes
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.)
Active
Application number
EP06710784.7A
Other languages
German (de)
French (fr)
Other versions
EP1843693A1 (en
Inventor
Kuntay M. Karaaslan
Alper Baykut
Ilkin Tacan
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Priority to PL06710784T priority Critical patent/PL1843693T3/en
Publication of EP1843693A1 publication Critical patent/EP1843693A1/en
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Publication of EP1843693B1 publication Critical patent/EP1843693B1/en
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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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0047—Energy or water consumption, e.g. by saving energy or water
    • 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
    • A47L15/4276—Arrangements to detect or remove bad smells or odours
    • 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
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • 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
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A47L2301/04—Operation mode, e.g. delicate washing, economy washing, reduced time, sterilizing, water softener regenerating, odor eliminating or service
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/34—Other automatic detections
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit

Definitions

  • the present invention relates to a dishwasher in which the dishes kept waiting to be washed are prevented from producing an irritating odor.
  • an odor eliminating chemical substance is put inside a casing with a shutter, arranged within the dishwasher and the shutter is opened when required by a driving device to release the odor eliminating substance over the dishes.
  • the washing water is electrolyzed by utilizing an electrolysis device situated inside a dishwasher and the washing performance is enhanced.
  • the aim of the present invention is the realization of a dishwasher and the control method thereof, in which the dishes kept waiting prior to washing are prevented to produce an irritating odor with a very small amount of energy consumption. This aim can be achieved by a dishwasher according to claim 1.
  • the dishwasher (1) comprises a tub (2) into which dishes to be washed are placed, a sump (3) where wash water is collected, a heater (4) utilized to heat the wash water, a circulation pump (5) which provides the circulation of the wash water, a discharge pump (6) which drains the wash water at the end of the washing process and a control unit (7).
  • the control unit starts the main washing program (A) comprising of cold-hot washing, rinsing and drying steps and a short term odor eliminating washing program (B) starts independent from the main washing program (A) either upon user's demand for preventing the heavy odor produced when dishes are kept waiting for a long time or automatically when the developing odor level rises.
  • A main washing program
  • B short term odor eliminating washing program
  • the odor eliminating washing program (B) is a mini-washing program that performs all or some of the steps of the main washing program (A) for shorter periods and at lower temperatures.
  • the complete odor eliminating washing program (B) is short-term, for example 5 minutes, and only removes the dirt of the dishes kept waiting in the dishwasher that can produce an odor with a minimum amount of energy consumption.
  • the dishwasher (1) comprises a starting button (8) to allow the odor eliminating washing program (B) to be started by the user.
  • the dishwasher (1) comprises an odor detector (9) that detects the odor spreading from the dishes kept waiting in the tub (2) and an indicator (11) which gives off an audio and/or visual warning if the odor amount detected by the odor detector (9) exceeds a preset limit.
  • the indicator (11) is enabled by the control unit (7) to give off an audio and/or visual warning.
  • the odor eliminating washing program (B) is initiated by the user pressing on the starting button (8).
  • the dishwasher (1) comprises a measuring chamber (10) where the odor detector (9) is positioned, convenient for gathering a measurement sample of the medium air inside the tub (2).
  • the odor eliminating washing program (B) is automatically started by the control unit (7) when the odor amount detected by the odor detector (9) exceeds a preset limit, warning the user by the indicator (11) or without warning given via the indicator (11).
  • the information on time periods of expensive and cheap rates of electric consumption costs is loaded to the control unit (11) as input and when the automatic starting of the odor eliminating program (B) corresponds to the expensive rate period, the odor eliminating program (B) does not start but is postponed until the following cheap rate period.
  • the control unit (11) comprises a clock circuit (13) having timing information.
  • the irritating odors produced by the dishes kept waiting for a long time prior to washing in the dishwasher (1) are detected by the odor detector (9) and a signal is sent to the indicator (11) warning the user in the manually started implementation.
  • the user when warned by the indicator (11), will start the odor eliminating program (B) by pressing on the starting button (8) if so desired.
  • the odor eliminating program (B) starts automatically when the odor amount detected by the odor detector (9) is above a preset limit. If the automatic starting time is within the expensive rate time period input in advance in the control unit (7), the odor eliminating program (B) does not start but starts automatically in the next cheap rate time period.
  • the dishwasher (1) comprises an odor eliminating substance chamber (12) into which odor eliminating chemical substances are put.
  • the odor eliminating washing program (B) comprises the steps of taking in water, preferably into the sump (3), opening the odor eliminating substance chamber (12) to mix the odor eliminating substance with the wash water, heating the wash water to a low temperature by the heater (4), circulating with the circulation pump (5) and draining the wash water with the discharge pump (6).
  • the dishwasher (1) When the odor eliminating washing program (B), started by the user or automatically, is completed, the dishwasher (1) again goes into the pause mode; the user has to start the main washing program (A) when the dishes are desired to be washed.
  • the odor eliminating washing program (B) is employed to prevent the dishes that are kept waiting from producing a heavy odor.
  • a better washing performance is achieved by the main washing program (A) when the odor eliminating washing program (B) is employed since the heavy dirt on the dishes are removed before drying up.

Description

  • The present invention relates to a dishwasher in which the dishes kept waiting to be washed are prevented from producing an irritating odor.
  • When the daily amount of dishes put into the dishwasher is small, the users do not start the washing program and choose to wait until the dishwasher is full. An odor is produced when the pre-wash waiting period of the dishes in the dishwasher is long, and the odor dissipates to the medium in an irritating manner when the closed door of the dishwasher is opened for the purposes of adding in the daily dishes. Sometimes the users hand wash the dishes according to their degree of dirt and put the dishes in the machine after removing the rough dirt. In state of the art chemical substances which give off pleasant odors are used for preventing the odor of the dishes kept inside the dishwasher without being washed, but these chemical substances can stay on the washed dishes and pose a threat to health.
  • In the French Patent no. FR2547733 a plastic disk for improving odors is described which is utilized in a dishwasher, positioned in the basket of the dishwasher, impregnated with an odoriferous chemical substance preventing the irritating odors that develop when dishes are kept waiting prior to washing.
  • In the United States of America Patent Application no. US2003221709 , an odor eliminating chemical substance is put inside a casing with a shutter, arranged within the dishwasher and the shutter is opened when required by a driving device to release the odor eliminating substance over the dishes.
  • In the International Patent Application no. WO03099982 , the washing water is electrolyzed by utilizing an electrolysis device situated inside a dishwasher and the washing performance is enhanced.
  • The aim of the present invention is the realization of a dishwasher and the control method thereof, in which the dishes kept waiting prior to washing are prevented to produce an irritating odor with a very small amount of energy consumption. This aim can be achieved by a dishwasher according to claim 1.
  • The dishwasher and the control method realized in order to attain above mentioned aim of the present invention is illustrated in the attached figures, where:
    • Figure 1 - is the schematic view of a dishwasher.
  • Elements shown in the figures are numbered as follows:
    1. 1. Dishwasher
    2. 2. Tub
    3. 3. Sump
    4. 4. Heater
    5. 5. Circulation pump
    6. 6. Discharge pump
    7. 7. Control unit
    8. 8. Start button
    9. 9. Odor detector
    10. 10. Measuring chamber
    11. 11. Indicator
    12. 12. Odor eliminating substance chamber
    13. 13. Clock circuit
  • The dishwasher (1) comprises a tub (2) into which dishes to be washed are placed, a sump (3) where wash water is collected, a heater (4) utilized to heat the wash water, a circulation pump (5) which provides the circulation of the wash water, a discharge pump (6) which drains the wash water at the end of the washing process and a control unit (7).
  • When the dishwasher (1) operates, the control unit starts the main washing program (A) comprising of cold-hot washing, rinsing and drying steps and a short term odor eliminating washing program (B) starts independent from the main washing program (A) either upon user's demand for preventing the heavy odor produced when dishes are kept waiting for a long time or automatically when the developing odor level rises.
  • The odor eliminating washing program (B) is a mini-washing program that performs all or some of the steps of the main washing program (A) for shorter periods and at lower temperatures. The complete odor eliminating washing program (B) is short-term, for example 5 minutes, and only removes the dirt of the dishes kept waiting in the dishwasher that can produce an odor with a minimum amount of energy consumption.
  • In the preferred embodiment of the present invention, the dishwasher (1) comprises a starting button (8) to allow the odor eliminating washing program (B) to be started by the user.
  • In another preferred embodiment of the present invention, the dishwasher (1) comprises an odor detector (9) that detects the odor spreading from the dishes kept waiting in the tub (2) and an indicator (11) which gives off an audio and/or visual warning if the odor amount detected by the odor detector (9) exceeds a preset limit.
  • In the above mentioned embodiments of the present invention, when the odor amount detected by the odor detector (9) exceeds a preset limit, the indicator (11) is enabled by the control unit (7) to give off an audio and/or visual warning. Upon receiving the warning from the indicator (11), the odor eliminating washing program (B) is initiated by the user pressing on the starting button (8).
  • In another embodiment of the present invention, the dishwasher (1) comprises a measuring chamber (10) where the odor detector (9) is positioned, convenient for gathering a measurement sample of the medium air inside the tub (2).
  • In another embodiment of the present invention, the odor eliminating washing program (B) is automatically started by the control unit (7) when the odor amount detected by the odor detector (9) exceeds a preset limit, warning the user by the indicator (11) or without warning given via the indicator (11).
  • In yet another embodiment of the present invention, the information on time periods of expensive and cheap rates of electric consumption costs is loaded to the control unit (11) as input and when the automatic starting of the odor eliminating program (B) corresponds to the expensive rate period, the odor eliminating program (B) does not start but is postponed until the following cheap rate period. In this embodiment, the control unit (11) comprises a clock circuit (13) having timing information.
  • The irritating odors produced by the dishes kept waiting for a long time prior to washing in the dishwasher (1) are detected by the odor detector (9) and a signal is sent to the indicator (11) warning the user in the manually started implementation. The user, when warned by the indicator (11), will start the odor eliminating program (B) by pressing on the starting button (8) if so desired. In the automatically started implementation, the odor eliminating program (B) starts automatically when the odor amount detected by the odor detector (9) is above a preset limit. If the automatic starting time is within the expensive rate time period input in advance in the control unit (7), the odor eliminating program (B) does not start but starts automatically in the next cheap rate time period.
  • In another embodiment of the present invention, the dishwasher (1) comprises an odor eliminating substance chamber (12) into which odor eliminating chemical substances are put.
  • The odor eliminating washing program (B) comprises the steps of taking in water, preferably into the sump (3), opening the odor eliminating substance chamber (12) to mix the odor eliminating substance with the wash water, heating the wash water to a low temperature by the heater (4), circulating with the circulation pump (5) and draining the wash water with the discharge pump (6).
  • When the odor eliminating washing program (B), started by the user or automatically, is completed, the dishwasher (1) again goes into the pause mode; the user has to start the main washing program (A) when the dishes are desired to be washed.
  • In cases when the dishwasher (1) is used with long intervals, for example once a week, the odor eliminating washing program (B) is employed to prevent the dishes that are kept waiting from producing a heavy odor.
  • A better washing performance is achieved by the main washing program (A) when the odor eliminating washing program (B) is employed since the heavy dirt on the dishes are removed before drying up.

Claims (10)

  1. A dishwasher (1) comprising a tub (2) into which dishes to be washed are placed, a sump (3) where wash water is collected, a heater (4) utilized to heat the wash water, a circulation pump (5) which provides the circulation of the wash water, a discharge pump (6) which drains the wash water at the end of the washing process, an odor detector (9) for detecting the odor spreading from the dishes in the tub (2), and an odor eliminating washing program (B) to be started by the user or automatically when the level of odor increases, preventing the dishes to be washed from producing heavy odors.
  2. A dishwasher (1) as in Claim 1 characterized by a starting button (8) which allows the user to start the odor eliminating washing program (B).
  3. A dishwasher (1) as in Claim 1, characterized by an indicator (11) which gives off an audio and/or visual warning when the odor amount detected by the odor detector (9) exceeds a preset limit.
  4. A dishwasher (1) as in Claim 1, characterized by a measuring chamber (10) where the odor detector (9) is situated, suitable for gathering a measurable amount of sample from the medium air.
  5. A dishwasher (1) as in any one of the above claims characterized by an odor eliminating substance chamber (12) into which odor eliminating chemical substances are put.
  6. A dishwasher (1) as in Claim 3, characterized by a control unit (7) which enables the indicator (11) to give off an audio and/or visual warning when the odor amount detected by the odor detector (9) exceeds a preset limit.
  7. A dishwasher (1) as in any one of the Claims 1 and 3 to 5, characterized by a control unit (7) which automatically starts the odor eliminating washing program (B) when the odor amount detected by the odor detector (9) exceeds a preset limit.
  8. A dishwasher (1) as in Claim 7, characterized by a control unit (7) which has information on time periods of expensive and cheap rates of electric consumption costs and starts the odor eliminating washing program (B) in the cheap rate time period.
  9. A dishwasher (1) as in Claim 8, characterized by a control unit (7) which comprises a clock circuit (13) having timing information.
  10. A dishwasher (1) as in Claim 5, characterized by the employment of an odor eliminating washing program (B) comprising the steps of taking in water into the sump (3), opening the odor eliminating substance chamber (12) to mix the odor eliminating substance into the wash water, heating the wash water to a low temperature by the heater (4), circulating with the circulation pump (5) and draining the wash water with the discharge pump (6).
EP06710784.7A 2005-02-04 2006-01-30 A dishwasher and the control method Active EP1843693B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06710784T PL1843693T3 (en) 2005-02-04 2006-01-30 A dishwasher and the control method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200500362 2005-02-04
PCT/IB2006/050316 WO2006082552A1 (en) 2005-02-04 2006-01-30 A dishwasher and the control method

Publications (2)

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EP1843693A1 EP1843693A1 (en) 2007-10-17
EP1843693B1 true EP1843693B1 (en) 2014-03-12

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US (1) US20080092931A1 (en)
EP (1) EP1843693B1 (en)
CN (1) CN101111185A (en)
ES (1) ES2461563T3 (en)
PL (1) PL1843693T3 (en)
WO (1) WO2006082552A1 (en)

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US11452791B2 (en) 2016-12-21 2022-09-27 Henkel Ag & Co. Kgaa Fragrancing and/or deodorizing a cleaning appliance

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US11452791B2 (en) 2016-12-21 2022-09-27 Henkel Ag & Co. Kgaa Fragrancing and/or deodorizing a cleaning appliance

Also Published As

Publication number Publication date
EP1843693A1 (en) 2007-10-17
ES2461563T3 (en) 2014-05-20
CN101111185A (en) 2008-01-23
US20080092931A1 (en) 2008-04-24
WO2006082552A1 (en) 2006-08-10
PL1843693T3 (en) 2014-08-29

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