EP3611298A1 - Waschmaschine mit wasserenthärtungssystem - Google Patents
Waschmaschine mit wasserenthärtungssystem Download PDFInfo
- Publication number
- EP3611298A1 EP3611298A1 EP19191913.3A EP19191913A EP3611298A1 EP 3611298 A1 EP3611298 A1 EP 3611298A1 EP 19191913 A EP19191913 A EP 19191913A EP 3611298 A1 EP3611298 A1 EP 3611298A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- chamber
- connection line
- connection
- valve
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000005406 washing Methods 0.000 title claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 47
- 230000001172 regenerating effect Effects 0.000 claims abstract description 47
- 239000003599 detergent Substances 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 27
- 239000011538 cleaning material Substances 0.000 claims description 23
- 230000008929 regeneration Effects 0.000 claims description 10
- 238000011069 regeneration method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 239000008400 supply water Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 description 48
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002979 fabric softener Substances 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/007—Arrangements of water softeners
-
- 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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
-
- 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
- D06F39/028—Arrangements for selectively supplying water to detergent compartments
-
- 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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
Definitions
- the present invention relates to a washing machine comprising a water softening system.
- Current washing machines comprise a body; a washing compartment located in the body and in which washing, rinsing, drying and such processes are carried out; a door which is opened and closed to allow access into the washing compartment; a water feeding line for feeding water from a source, which may be a mains supply, into the washing compartment in order for use in said washing and rinsing processes; and a drawer in which cleaning materials such as a solid or liquid detergent, fabric softener etc. are stored and, if needed, fed from the drawer into the washing compartment for use in washing and rinsing processes.
- a hard mains water i.e. water that contains relatively high amount of calcium and magnesium ions
- washing machine comprising a tank adapted to store a predetermined amount of liquid, a heating element adapted to heat the liquid inside the tank, a water inlet adapted to feed water from a mains supply, and a descaling unit.
- the descaling unit comprises a chamber which houses the descaling agent, a mixing chamber for mixing the descaling agent and a predetermined amount of water, and a water inlet pipe for providing water into the mixing chamber.
- the descaling unit further comprises an outlet pipe to enable connection between the mixing chamber and the tank.
- a plurality of additional pumps should be used in order to circulate water among said units, and the system provides only softening of the heated water in the tank, without offering a solution to the use of soft water in rinsing and such processes.
- the washing machine comprises at least one washing compartment in which main processes as washing/prewashing/rinsing are performed; at least one water inlet through which a connection is established with a water supply, which may be a mains supply, in order to supply water for use in main washing, prewashing and/or rinsing processes at the washing compartment; at least one detergent drawer adapted to contain cleaning materials for use in washing and/or rinsing processes performed at the washing compartment; at least one ion exchanger chamber adapted to filter elements which are present in the water coming from the water inlet and cause hardness; at least one air tight regenerative material chamber which contains a regenerative material suitable for use in cleansing the ion exchanger chamber; at least one group of water inlet valves which comprises at least a first valve for delivering water, which comes from the water inlet, to the detergent drawer, at least a second valve for delivering water, which comes from the water inlet, to the regenerative material chamber, and at least a third valve for delivering water,
- the washing machine of the present invention enable to use mains water and/or the softened water for various phases of the washing process such as main washing/prewashing/rinsing, and to deliver water hydraulically.
- An object of the present invention is to provide a washing machine which comprises a water softening system.
- Another object of the present invention is to provide a washing machine comprising a water softening system and having a water delivery line which allows mains water and/or softened water to be used for various phases of the washing process.
- Yet a further object of the present invention is to provide a washing machine comprising a water softening system and having a water delivery line for delivering mains water and/or softened water hydraulically.
- a washing machine which enables to use mains water and/or the softened water for various phases of the washing process, and has a water softening system comprising a water delivery line for delivering mains water and/or softened water hydraulically.
- the washing machine of the invention comprises at least one washing compartment (9) in which main processes as washing/prewashing/rinsing are performed; at least one water inlet (1) through which a connection is established with a water supply, which may be a mains supply, in order to supply water for use in main washing, prewashing and/or rinsing processes at the washing compartment (9); at least one detergent drawer (8) adapted to contain cleaning materials for use in washing and/or rinsing processes performed at the washing compartment (9); at least one ion exchanger chamber (7) adapted to filter elements which are present in the water coming from the water inlet (1) and cause hardness; at least one air tight regenerative material chamber (6) which contains a regenerative material (e.g.
- sodium chloride suitable for use in cleansing the ion exchanger chamber (7); at least one group of water inlet valves (2) which comprises at least a first valve (2a) for delivering water, which comes from the water inlet (1), to the detergent drawer (8), at least a second valve (2b) for delivering water, which comes from the water inlet (1), to the regenerative material chamber (6), and at least a third valve (2c) for delivering water, which comes from the water inlet (1), to the ion exchanger chamber (7); at least a first connection line (15) enabling water delivery between the first valve (2a) and the detergent drawer (8); at least a second connection line (16) enabling water delivery between the second valve (2b) and the regenerative material chamber (6), thereby allowing the regenerative material in the regenerative material chamber (6) to dissolve in water and create a solution in the regenerative material chamber (6); at least a third connection line (17) enabling water delivery between the third valve (2c) and the ion exchanger chamber (7);
- the water inlet (1) enables the washing machine to be connected to a water source that may be a mains supply.
- a water source that may be a mains supply.
- the group of water inlet valves (2) comprises a first valve (2a) for feeding water to the detergent drawer (8); a second valve (2b) for feeding water to the regenerative material chamber (6); and a third valve (2c) for feeding water to the ion exchanger chamber (7).
- Water from the first valve (2a) is delivered to the detergent drawer (8) by the first connection line (15); water from the second valve (2b) is delivered to the regenerative material chamber (6) by the second connection line (16); and water from the third valve (2c) is delivered to the ion exchanger valve (7) by the third connection line (17).
- Elements such as undissolved Calcium, Magnesium, Manganese in the mains water and causing hardness are filtered at the ion exchanger chamber (7) to reduce hardness of the water and obtain softened water.
- Mains water delivered to the ion exchanger chamber (7) via the third connection line (17) is softened therein and delivered to the detergent drawer (8) by means of the eighth connection line (21).
- Mains water delivered to the detergent drawer (8) by the first connection line (15) and/or softened water delivered to the detergent drawer (8) by the eight connection line (21) dissolves the cleaning material/materials at the detergent drawer (8), and water that contains the dissolved cleaning materials is delivered to the washing compartment (9) by the eleventh connection line (27) and used therein to wash and/or rinse the laundry.
- Water softening capacity of the ion exchanger chamber (7) decreases over time depending on the hardness value of the mains water entering to the ion exchanger chamber (7), amount of water passing through the ion exchanger chamber (7), and capacity of the ion exchanger chamber (7).
- the ion exchanger chamber (7) In case the ion exchanger chamber (7) reaches to a saturation point by the hardness elements that it draws thereon such that it is not able to perform function of water softening, it should be cleansed by the regenerative materials (e.g. sodium chloride, iodine-free salt) in order to re-perform the function of water softening.
- the regenerative material is provided inside the regenerative material chamber (6); and mains water delivered by the second valve (2b) and the second connection line (16) dissolves the regenerative material to prepare a solution.
- the solution prepared is delivered to the ion exchanger chamber (7) by the pressure of water alone, without using an additional electromechanical unit, by means of the seventh connection line (20) enabling the connection between the regenerative material chamber (6) and the ion exchanger chamber (7).
- Air tightness of the regenerative material chamber (6) plays a key role in performing regeneration process only by the mains pressure.
- the first check valve (12) located at the seventh connection line (20) prevents water transfer from the ion exchanger chamber (7) to the regenerative material chamber (6) via the water pressure occurred at the ion exchanger chamber (7) and avoids water pressure decrease that may happen at the ion exchanger chamber (7).
- Solution transferred to the ion exchanger chamber (7) is kept therein for a given period in order to weaken hardness elements accumulated on the ion exchanger chamber (7) and make them leave the ion exchanger chamber (7). Since the solution (regeneration liquid) contains oxidizing agents, it should not contact the machine parts. Therefore, the solution in the ion exchanger chamber (7) is removed out of the machine by the second discharge arrangement. The washing liquid contained in the washing compartment (9) is removed out of the machine by the first discharge arrangement and the second discharge arrangement.
- the first discharge arrangement comprises at least one discharge unit (10) having at least one discharge pump (not shown in the figures); and at least one drainage line (23), located between the washing compartment (9) and the discharge unit (10), for delivering the water used at the washing compartment (9) to the discharge unit (10).
- the second discharge arrangement comprises at least a first discharge line (24) for delivering liquid between the discharge unit (10) and a main discharge line (25); at least a second discharge line (22) for delivering the solution, which is delivered to the ion exchanger chamber (7) for the regeneration process, from the ion exchanger chamber (7) to the main discharge line (25) after the regeneration process; at least a seventh valve (5) for delivering the solution through the second discharge line (22) to the main discharge line (25) to be discharged therefrom; and at least a first connection member (26), preferably in the form of a three-way connection unit, which connects the first discharge line (24) and the second discharge line (22) to the main discharge line (25).
- a first connection point at which the second discharge line (22) is connected to the first connection member (26) is located at a lower part of a second connection point (at a point that is closer to a base of the washing machine) at which the first discharge line (24) is connected to the first connection member (26).
- the washing machine comprises at least one sensor (not shown in the figures) which is provided on the seventh connection line (20) and measures concentration of the regenerative material at the regenerative material chamber (6).
- a warning is provided by at least one warning element (not shown in the figures) of the washing machine.
- the detergent drawer (8) comprises at least a first chamber (8a) adapted to contain a first cleaning material (e.g. a detergent) for use in a main washing phase; at least a second chamber (8b) adapted to contain a second cleaning material (e.g. a detergent) for use in a prewashing phase; and at least a third chamber (8c) adapted to contain a third cleaning material (e.g. a fabric softener) for use in a rinsing process and located between the first chamber (8a) and the second chamber (8b).
- a first cleaning material e.g. a detergent
- second chamber (8b) adapted to contain a second cleaning material (e.g. a detergent) for use in a prewashing phase
- at least a third chamber (8c) adapted to contain a third cleaning material (e.g. a fabric softener) for use in a rinsing process and located between the first chamber (8a) and the second chamber (8b).
- the washing machine comprises at least a second connection member (11) which is a four-way connection unit comprising a first connection point (not shown in the figures), a second connection point (not shown in the figures), a third connection point (not shown in the figures), and a fourth connection point (not shown in the figures).
- the first connection line (15) for delivering mains water to the detergent drawer (8) is connected to the first connection point; and the eighth connection line (21) for delivering softened water to the detergent drawer (8) is connected to the second connection point.
- the washing machine further comprises at least a fifth connection line (18) for delivering water between the third connection point and the second chamber (8b); at least a fifth valve (3) which is located on the fifth connection line (18); at least a sixth connection line (19) for delivering water between the fourth connection point and the first chamber (8a); and at least a sixth valve (4) which is located on the sixth connection line (19), wherein the fifth connection line (18) and the sixth connection line (19) intersect at a fifth connection point (A) so as to be connected to the third chamber (8c).
- the fifth connection point (A) is located before a first outlet at which the fifth connection line (18) is connected to the second chamber (8b) and a second outlet at which the sixth connection line (19) is connected to the first chamber (8a).
- the ion exchanger chamber (7) is connected hydraulically to the eighth connection line (21) and the second discharge line (22) by at least a third connection member (14).
- softened water from the ion exchanger chamber (7) is delivered to the eighth connection line (21) while the solution from the ion exchanger chamber (7) is removed out of the machine by the second discharge line (22).
- the washing machine further comprises at least a second check valve (13) which is located at the eighth connection line (21) and prevents mains water flow through the eighth connection line (11), thus allowing only softened water to pass.
- the second check valve (13) prevents hard mains water, which comes from the first valve (2a), from entering into the ion exchanger chamber (7).
- the aim here is to prevent the supply of mains water to the ion exchange chamber (7) in case that it is not desired to use the ion exchange chamber (7) and thus the water softening system.
- the group of water inlet valves (2) comprises at least a fourth valve (2d) for feeding water to the detergent drawer (8), in addition to the first valve (2a) for feeding water to the detergent drawer (8).
- the first valve (2a) is connected directly to the second chamber (8b) by the first connection line (15).
- the first connection line (15) and the fourth connection line (150) intersect at a sixth connection point (B) so as to be connected to the third chamber (8c).
- the sixth connection point (B) is located before a first outlet at which the first connection line (15) is connected to the second chamber (8b) and a second outlet at which the fourth connection line (150) is connected to the first chamber (8a).
- at least one hydraulic distribution system (210) is provided on the eighth connection line (21), wherein at least a first outlet (not shown in the figures) of the hydraulic distribution system (210) is connected to the first connection line (15) by at least a ninth connection line (211), while at least a second outlet (not shown in the figures) of the hydraulic distribution system (210) is connected to the fourth connection line (150) by at least a tenth connection line (211).
- At least an eighth valve (50) is provided on the eighth connection line (21), which controls softened water flow into the hydraulic distribution system (210).
- the third valve (2c) is activated together with the eighth valve (50)
- hard water from the mains supply is passed through the ion exchanger chamber, hardness level thereof is decreased and transferred to the hydraulic distributor system (210).
- the hydraulic distribution system (210) enables only softened water to be transferred to the all chambers of the detergent drawer (8) by the ninth connection line (211) and the tenth connection line (212).
- the hydraulic distributor system (210) is able to be controlled electromechanically.
- the washing machine of the present invention enables to use mains water and/or the softened water for various phases of the washing process such as main washing/prewashing/rinsing, and to deliver water hydraulically.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR201811990 | 2018-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3611298A1 true EP3611298A1 (de) | 2020-02-19 |
Family
ID=67658973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19191913.3A Withdrawn EP3611298A1 (de) | 2018-08-16 | 2019-08-15 | Waschmaschine mit wasserenthärtungssystem |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3611298A1 (de) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1585797A1 (de) * | 1966-10-06 | 1972-09-21 | Licentia Gmbh | Waschautomat mit Wasserenthaerter |
DE2346801A1 (de) * | 1972-09-28 | 1974-04-11 | Steininger K & J | Verfahren zum waschen von waesche und automatische waschmaschine zur durchfuehrung desselben |
DE3527047A1 (de) * | 1985-07-27 | 1987-02-05 | Licentia Gmbh | Programmgesteuerte wasch- oder geschirrspuelmaschine |
US20050262881A1 (en) * | 2004-05-25 | 2005-12-01 | Electrolux Home Products Corporation N.V. | Clothes washing machine with improved water dispensers |
WO2006004269A1 (en) * | 2004-03-26 | 2006-01-12 | Nine Tech Co., Ltd. | Soft-water washer capable of automatically regenerating ion exchange resin |
US20140165665A1 (en) * | 2011-08-01 | 2014-06-19 | Electrolux Home Products Corporation N.V. | Laundry Washing Machine |
EP2843101A1 (de) | 2013-08-30 | 2015-03-04 | ELECTROLUX PROFESSIONAL S.p.A. | Waschmaschine mit einer Entzunderungsvorrichtung |
US20150204005A1 (en) * | 2012-06-29 | 2015-07-23 | Electrolux Home Products Corporation N.V. | Laundry Washing Machine |
US20160010266A1 (en) * | 2013-02-06 | 2016-01-14 | Electrolux Appliances Aktiebolag | Laundry washing machine |
US20160326678A1 (en) * | 2013-12-30 | 2016-11-10 | Electrolux Appliances Aktiebolag | Laundry Washing Machine with Water Softening System and Method for Controlling a Laundry Washing Machine |
-
2019
- 2019-08-15 EP EP19191913.3A patent/EP3611298A1/de not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1585797A1 (de) * | 1966-10-06 | 1972-09-21 | Licentia Gmbh | Waschautomat mit Wasserenthaerter |
DE2346801A1 (de) * | 1972-09-28 | 1974-04-11 | Steininger K & J | Verfahren zum waschen von waesche und automatische waschmaschine zur durchfuehrung desselben |
DE3527047A1 (de) * | 1985-07-27 | 1987-02-05 | Licentia Gmbh | Programmgesteuerte wasch- oder geschirrspuelmaschine |
WO2006004269A1 (en) * | 2004-03-26 | 2006-01-12 | Nine Tech Co., Ltd. | Soft-water washer capable of automatically regenerating ion exchange resin |
US20050262881A1 (en) * | 2004-05-25 | 2005-12-01 | Electrolux Home Products Corporation N.V. | Clothes washing machine with improved water dispensers |
US20140165665A1 (en) * | 2011-08-01 | 2014-06-19 | Electrolux Home Products Corporation N.V. | Laundry Washing Machine |
US20150204005A1 (en) * | 2012-06-29 | 2015-07-23 | Electrolux Home Products Corporation N.V. | Laundry Washing Machine |
US20160010266A1 (en) * | 2013-02-06 | 2016-01-14 | Electrolux Appliances Aktiebolag | Laundry washing machine |
EP2843101A1 (de) | 2013-08-30 | 2015-03-04 | ELECTROLUX PROFESSIONAL S.p.A. | Waschmaschine mit einer Entzunderungsvorrichtung |
US20160326678A1 (en) * | 2013-12-30 | 2016-11-10 | Electrolux Appliances Aktiebolag | Laundry Washing Machine with Water Softening System and Method for Controlling a Laundry Washing Machine |
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