EP0707670B1 - Machine a laver avec reservoir d'eau de lestage - Google Patents

Machine a laver avec reservoir d'eau de lestage Download PDF

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Publication number
EP0707670B1
EP0707670B1 EP94920503A EP94920503A EP0707670B1 EP 0707670 B1 EP0707670 B1 EP 0707670B1 EP 94920503 A EP94920503 A EP 94920503A EP 94920503 A EP94920503 A EP 94920503A EP 0707670 B1 EP0707670 B1 EP 0707670B1
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EP
European Patent Office
Prior art keywords
tank
water
reservoir
washing machine
ballast
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.)
Expired - Lifetime
Application number
EP94920503A
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German (de)
English (en)
French (fr)
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EP0707670A1 (fr
Inventor
Georges Martinez
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Individual
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Individual
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    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/265—Counterweights mounted to the tub; Mountings therefor
    • 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 
    • D06F39/20—Arrangements for water recovery

Definitions

  • the present invention relates to a washing machine laundry
  • a washing machine includes a frame inside which is mounted a tank containing the rotating drum.
  • the tank is suspended from the upper part of the chassis using helical springs, designed to cushion the imbalance occurring when rotating the drum and the movement of the laundry inside it.
  • helical springs designed to cushion the imbalance occurring when rotating the drum and the movement of the laundry inside it.
  • it is essential especially during the spinning period when the imbalance due to irregular distribution of the laundry is most importantly, improve friction damping pads attached to the lower part of the tank in its fittings secured to the chassis and by mounting ballast elements on the tank enhancing the stability of this one.
  • Ballast elements from 10 to 25 kg depending on the capacity of load, drum rotation speed, quality of washing machine, generally consist of parts cast iron or concrete fixed to the outside of the tank.
  • the washing machine has at least one reservoir for ballast supplied directly with mains water.
  • the washing machine tank can be supplied either directly from the network or from the ballast tank, the programmer acting on a tap connected upstream to the mains water.
  • Patent DE 1902325 describes a washing machine having a reservoir for ballast which can be connected upstream to the mains water and downstream to the tank.
  • the object of the invention is to retain the advantages of the European patent EP 326502 by creating new ones.
  • the water ballast has a variable value adapted to the conditions of use, in which the washing of fabrics is carried out in good better economic conditions on energy and water.
  • patent EP 326,502 which allows, with the present invention an embodiment affecting the field of energy and environmental management.
  • the washing machine represents the ideal type of device, qualified, heavy consumer of water and energy.
  • the invention contains an operating method and specific components for reliability and savings whose operations are synchronized by a programmer.
  • the type of machine it concerns includes a tank which, mounted inside a chassis with interposition of damping elements is equipped with elements ballasting with water circulation, as defined in the Patent EP 326,502.
  • the or the ballast tanks have a safety electric full filling, such as a pressure switch or float, linked to the various filling operations with mains water supply. The feeding takes place in all safety during spin operations. Full tanks act as maximum ballast.
  • a programming is specific to these operations as well as the operation specific solenoid valves to feed the tank by gravity from this or these tanks for the different needs in washing water, rinsing to empty this tank with a specific pump that can also drain the ballast (s) when desired to discharge wastewater, to store selected waters, such as the last water in rinsing in its initial volume, i.e. in the ballasts left empty or partially empty for this purpose by the programming, to reuse this last water on the next cycle, washing with detergent added for this purpose, to finally reject it in waste water.
  • the tank is fed by gravity using of solenoid valves placed on the ballast tank (s) so as to drain tared volumes of water and desired for the different needs of the cycle of machine.
  • the invention also relates to the solenoid valves which are designed to deal with the size of the ballast-tank suspension assembly, especially at moment of spin when the amplitude movements of all are important, which limits the risks of impact or snagging by raised parts.
  • the washing machine known from Patent EP 326.502 (Fig. 1) is equipped with ballast tanks 5, each tank feeds the tank 9 from its upper part, by pushing water from the network, directly or indirectly through a product box 7.
  • the tank 9 and the tank 5 are partitioned by a cover 16 in exploded view (fig. 1bis).
  • the present invention is characterized in that the ballast tank (s) 5 are equipped with a safety 18 (fig. 2) controlling the supply of water to the tank 5 from network tap 1, flexible hose 2, a solenoid valve 3, and a pipe 4, connected to the tank 5, which by safety 18 ensures filling integral.
  • a safety 18 (fig. 2) controlling the supply of water to the tank 5 from network tap 1, flexible hose 2, a solenoid valve 3, and a pipe 4, connected to the tank 5, which by safety 18 ensures filling integral.
  • these solenoid valves do not undergo any network pressure constraint and secondly, compared to (fig.10), which is a solenoid valve double current, the shape and orientation of all hose 31 and lug 47 connections allow installation in cavities as on tank 5 (fig. 12) as an example.
  • the solenoid valve 25 (fig. 11) is an embodiment providing a single pour point on the reservoir 5 of which sealing is ensured using a seal 48 and its snap-fastening on the tank ensures held by two elastic arms at the end (fig. 12).
  • Another form of execution (Fig. 13) allows to collect through the pipe 31, the water from the solenoid valve 25 (Fig. 11) and to route it to the tank 9 via the pipe 31 bis.
  • a last form of execution without quantity limitation of solenoid valves resides in the principle of collecting different volumes 24 and 32 at different heights 26 and 29 from tank 5 with hoses or pipes assembled at the point of fixing the solenoid valves as illustrated in Fig. 15 Fig. 14.
  • a dual passage system 41 actuated by a coil electro-magnetic 42 allows it to stop discharge the waste water from tank 9 by pump 13 and the drain hose 15, and, or, channel the rinse water to restock for recycling (with the function of 42) in the ballast 5 by pipe 21 (Fig. 2 and 2a).
  • Fig. 9 A realization of this more compact pump is illustrated (Fig. 9).
  • This pump allows to drain the tank 9 via the hose 11 whose receiver is 12, 41 is the bi-passage activated by the coil 42 which directs the water to be on 15 which is the pipe for draining wastewater in discharge, that is to say 21 which is the pipe channeling the water to be recycled in the tank 5 with a filter 19.
  • a protruding tube 46 receives the water from the ballasts 5 and of tank 9 if it is desired to lighten the machine. Handling, moving, moving, etc. In order to drain in position 500 of the programmer (when stopped) key 107 (Fig. 4) is provided for this operation opening the electric valve 44 connecting the or the tanks 5 and the tank 9 with the pump 13, this with the START key of the machine 201 (Fig. 4) with the door closed 101.
  • the refills are refilled automatically upon resumption machine service of this present invention.
  • the ballast tank 5 (Fig. 16) is compartmentalized. Water arrives by its point of connection 50 on the ballast 5 compartment 51.
  • a valve check valve 49 calibrated at a pressure lower than the network allows the mains water to pass through the compartment 52.
  • the restocked water intended for recycling arriving by 21 in compartment 52 cannot reach the compartment 51 which will always include mains water in direct.
  • Figure 17 deals with the volumes of water in the tank 9, N.L. being washing level and highlights the water remaining in ballast 5 and the empty upper part of ballast 5.
  • the medallion are represented the solenoid valves of (Fig. 12 and 13) relating to these tank supply operations 9.
  • the diagram (fig. 3) of the programmer necessary for the present invention constitutes the complete cycle of operations performed in chronological order between the two positions 500 which constitute the zero point or stop of the scheduler, i.e. stopping sound training cam block by the programmer motor 150 supplied with electric current 100 and 200 of fig. 4.
  • the door security is referenced by 101
  • the on-off key is referenced by 201.
  • the diagram in fig. 3 is divided into three areas main: 537 is the washing area that makes up the start of cycle namely, the brewing of laundry in water while generally heated with addition of detergents.
  • the second zone 538 constitutes the first rinse, 539 the second, 540 being the last rinse with recovery of water clear enough for reuse to the next cycle.
  • These three zones are composed of steps or programmer advances numbered 501-536.
  • 541 is the volume contained in the upper part of the ballast 5 between its pour point which is the solenoid valve 25, and security ballast 18.
  • 542 is the volume contained in the upper part of the ballast 5 between its pour point which is the solenoid valve 28, and security ballast 18.
  • volume 542 fills or is full in 501 (blackened box)
  • the arrowed column 543 mentions the power contacts actuated by the cam block of the programmer so to supply the electrical components of column 545 arrowed opposite, through the contacts of the column 544 arrowed at the times of the blackened boxes of the diagram.
  • the electrical block diagram (Fig. 4) has 2 elements that do not appear in (Fig. 3).
  • the ballast security 18 which conditions the water supply to the network 3 (empty ballast) conditions the spin using the pressure switch 242 (tank 9 empty) the pressure switch conditions the heating (tank 9 at level 23).
  • the 2 organs (18 and 242) owe their function to the state of empty containers or full according to the operations of the diagram (Fig. 3) to carry out.
  • Water comes from the tap of the distribution network 1 (Fig. 18), connected by a flexible hose 2 to the solenoid valve 3 in function (Fig. 18 bis) which supplies the reservoir 5 by a hose 4 until full filling thanks to safety 18 which cuts the power to the solenoid valve 3 once full tanks (Fig. 19 and 19 bis).
  • step 502 when the solenoid valve 3 stops, the water contained in the ballast 5 feeds the tank 9 (Fig. 20) at the opening of the solenoid valve 25 and by gravity with the manifold 31 (Fig. 20 bis, step 502 in Fig. 3).
  • This water in the tank operates by its pressure pressotate 242 to establish heating 22 (Fig. 21 bis) at the steps indicated on the diagram (Fig. 3) and (Fig. 22).
  • ballast water level 5 with the solenoid valve 3 of the network (Fig. 24) to obtain water tempered in step 517 (Fig. 3) so as to cool by the dividing wall of ballast 5 and of tank 9 waste water from washing in the tank, gradually, before disposal (Fig. 25 and 25 bis) at step 519.
  • step 520 the spin is carried out safely damping with full ballast 5 (Fig. 26).
  • the opening of the solenoid valve 28 at step 521 releases the water contained above it (Fig. 27).
  • This warm water allows to establish the first rinsing bath in the tank 9 level 27, volume 547 its origin being 542 (Fig. 28) and avoids thermal shock which in many cases deteriorates textiles.
  • the emptying in steps 524 and 525 is carried out from the same way as at the end of washing in steps 519 and 520 of diagram (Fig. 3), as well as during this emptying of the tank 9 by the waste water pump 13, the solenoid valve 3 compensates for ballast level 5 (Fig. 29) in step 519 to prepare the ballast 5 and maintain it for spinning in step 520 which only takes place through the low point of pressure switch 242 (tank 9 empty) and high point safety 18 full ballast (fig. 30).
  • Rinse 539, not 526 to 530 is carried out in the same way as 538 from step 521 to 525.
  • the ballast water 5 supplies the tank 9 (Fig. 31) with the volume of water 542 to form level 27 volume 547. at the same time.
  • the coil electro-magnetic 42 is powered to predict the passage of the last clearest rinse water (Fig. 32) by the conduit 21 in preparation for the storage of this water, in its initial volume 542 left empty for this purpose. Pump 13 operating with 42, allows this water to be pumped back by 21 in ballast 5 (Fig. 33).
  • the drain pipe 15 is obstructed in the dual passage 41 during this final rinsing operation from step 531 to 535.
  • the invention provides a great improvement to the existing technique, providing a washing machine of simple design whose elements integrated ballast are managed by a programmer for their variable water capacity, for saving purposes of energy and water.
  • Ballast tanks can be drained by manual electric control, machine stopped, programmer at zero 500 (Fig. 3,37,37 bis) before any handling of the machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP94920503A 1993-06-24 1994-06-22 Machine a laver avec reservoir d'eau de lestage Expired - Lifetime EP0707670B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9307934 1993-06-24
FR9307934A FR2706915B1 (enrdf_load_stackoverflow) 1993-06-24 1993-06-24
PCT/FR1994/000756 WO1995000694A1 (fr) 1993-06-24 1994-06-22 Machine a laver avec reservoir d'eau de lestage

Publications (2)

Publication Number Publication Date
EP0707670A1 EP0707670A1 (fr) 1996-04-24
EP0707670B1 true EP0707670B1 (fr) 1998-04-01

Family

ID=9448696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94920503A Expired - Lifetime EP0707670B1 (fr) 1993-06-24 1994-06-22 Machine a laver avec reservoir d'eau de lestage

Country Status (5)

Country Link
EP (1) EP0707670B1 (enrdf_load_stackoverflow)
AU (1) AU7127394A (enrdf_load_stackoverflow)
DE (1) DE69409383D1 (enrdf_load_stackoverflow)
FR (1) FR2706915B1 (enrdf_load_stackoverflow)
WO (1) WO1995000694A1 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1502987A1 (en) 2003-07-31 2005-02-02 Samsung Electronics Co., Ltd. Washing machine
EP1632598A2 (fr) 2004-08-03 2006-03-08 Brandt Industries Procédé de réutilisation d'un liquide de lavage ou de rinçage dans une machine à laver, machine à laver et système de filtration associés
EP1798324A1 (fr) 2005-12-15 2007-06-20 Brandt Industries SAS sèche-linge comprennant un réservoir de liquide
EP1870506A1 (fr) 2006-06-21 2007-12-26 Brandt Industries Procédé de défroissage du linge dans une machine à sécher le linge
EP2138624A1 (en) 2008-06-24 2009-12-30 CANDY S.p.A. Method for washing and/or rinsing in a laundry washing machine with increased energy saving.
NL1036970C (nl) * 2009-05-19 2010-04-19 Adriaan Jean Maria Van Gils Wasdroger waarbij het afvalwater van de wasmachine opgevangen en de trommel middels een vacuümpomp ontlucht wordt waardoor het water door de drukdaling gaat koken, waarbij de waterdamp wordt afgevoerd en de temperatuur van water en wasgoed derhalve daalt.

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN940011A1 (it) * 1994-02-25 1995-08-25 Zanussi Elettrodomestici Lavatrice con sistema di recupero dell'acqua
IT1267712B1 (it) * 1994-04-01 1997-02-07 Zanussi Elettrodomestici Lavabiancheria con serbatoio perfezionato di recupero dell'acqua
IT1296334B1 (it) * 1997-10-27 1999-06-25 Electrolux Zanussi Elettrodome Lavatrice automatica con sistema di recupero energetico
PL188488B1 (pl) * 1999-01-15 2005-02-28 Amica Wronki Sa Sposób hydraulicznego balastowania bębna wirującego pralki automatycznej zwłaszcza domowej i pralkaautomatyczna zwłaszcza domowa
GB0523978D0 (en) * 2005-11-25 2006-01-04 Andrew Reason Ltd Water supply for laundry appliances
GB2566475A (en) * 2017-09-14 2019-03-20 Tochi Tech Ltd Washing machine water circulation system
IT201900005524A1 (it) * 2019-04-10 2020-10-10 J P Ind S P A Macchina lavatrice con sistema di contrappeso idraulico.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT284760B (de) * 1968-02-13 1970-09-25 Zanussi A Spa Industrie Vorrichtung zur Stabilisierung des Standes bzw. zur Erhöhung der Standfestigkeit einer Waschmaschine od.dgl.
DE2754254A1 (de) * 1977-12-06 1979-06-07 Sanner Axel Verfahren zum automatischen waschen sowie waschautomat
DE2910140A1 (de) * 1979-03-15 1980-09-25 Wfk Testgewebe Gmbh Verfahren und vorrichtung zum automatischen waschen und spuelen von waesche
DE3734234A1 (de) * 1987-10-09 1989-04-20 Sigismund Laskowski Optimierung eines neuartigen waschverfahrens
FR2626588B1 (fr) * 1988-01-28 1991-04-26 Martinez Georges Machine a laver le linge dont la cuve est equipee d'elements de lestage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1502987A1 (en) 2003-07-31 2005-02-02 Samsung Electronics Co., Ltd. Washing machine
EP1632598A2 (fr) 2004-08-03 2006-03-08 Brandt Industries Procédé de réutilisation d'un liquide de lavage ou de rinçage dans une machine à laver, machine à laver et système de filtration associés
EP1798324A1 (fr) 2005-12-15 2007-06-20 Brandt Industries SAS sèche-linge comprennant un réservoir de liquide
EP1870506A1 (fr) 2006-06-21 2007-12-26 Brandt Industries Procédé de défroissage du linge dans une machine à sécher le linge
EP2138624A1 (en) 2008-06-24 2009-12-30 CANDY S.p.A. Method for washing and/or rinsing in a laundry washing machine with increased energy saving.
NL1036970C (nl) * 2009-05-19 2010-04-19 Adriaan Jean Maria Van Gils Wasdroger waarbij het afvalwater van de wasmachine opgevangen en de trommel middels een vacuümpomp ontlucht wordt waardoor het water door de drukdaling gaat koken, waarbij de waterdamp wordt afgevoerd en de temperatuur van water en wasgoed derhalve daalt.

Also Published As

Publication number Publication date
AU7127394A (en) 1995-01-17
EP0707670A1 (fr) 1996-04-24
FR2706915A1 (enrdf_load_stackoverflow) 1994-12-30
FR2706915B1 (enrdf_load_stackoverflow) 1995-09-08
DE69409383D1 (de) 1998-05-07
WO1995000694A1 (fr) 1995-01-05

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