EP0927785A1 - Vorrichtung zur wahlweisen Speisung von Waschmitteln an den Behälter einer mantelbeschickbaren Waschmaschine - Google Patents

Vorrichtung zur wahlweisen Speisung von Waschmitteln an den Behälter einer mantelbeschickbaren Waschmaschine Download PDF

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Publication number
EP0927785A1
EP0927785A1 EP98124212A EP98124212A EP0927785A1 EP 0927785 A1 EP0927785 A1 EP 0927785A1 EP 98124212 A EP98124212 A EP 98124212A EP 98124212 A EP98124212 A EP 98124212A EP 0927785 A1 EP0927785 A1 EP 0927785A1
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EP
European Patent Office
Prior art keywords
washing
machine
valve means
washing agents
agents
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Withdrawn
Application number
EP98124212A
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English (en)
French (fr)
Inventor
Giuseppe Borroni
Mario Moscatelli
Carlo Carli
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.)
T&P SpA
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T&P SpA
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Filing date
Publication date
Application filed by T&P SpA filed Critical T&P SpA
Publication of EP0927785A1 publication Critical patent/EP0927785A1/de
Withdrawn legal-status Critical Current

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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 
    • D06F39/02—Devices for adding soap or other washing agents

Definitions

  • the present invention relates to an assembly for the selective supply of washing agents in washing machines of the type with top loading of the articles to be washed.
  • Such a type of assembly having substantially the features of the preamble of claim 1 and which can be used in washing machines with front loading is known from EP 0 688 895 owned by the same Applicant.
  • devices are provided for housing detergents which generally comprise a plastic block or body which defines one or more vessels for housing a respective washing agent, which vessels are placed in the upper part of the washing machine, to the side of the upper opening provided, in said washing machines with top loading, for insertion of the garments to be washed in the rotating drum of the machine.
  • the block defining said vessels is attached to the frame of the washing machine and appropriate valves, suitable for sending respective flows of water for removing the washing agents, are placed in said machine in positions distant from said washing agents housing block, whereto said removal flows are sent via hoses extending into said machine and connected firmly by their ends to nozzles of said valves and of said washing agents housing block by means of appropriate clamping clips.
  • the transfer, by the aforementioned washing agents housing block of the flows of water full of the detergent substances and the like to the washing tub of the washing machine, is actuated by means of a union formed in the base of the block, where all the flows of water entering said block are conveyed by falling.
  • valves for sending the flows of water to the various compartments of the washing agents housing body consist of electrically controlled valves which are in general attached to the base of the support frame of the washing machine. This arrangement entails a problem in the case of leaks of water inside the machine. Indeed, in the event of leaks, the water which deposits on the base of the machine can come into contact with the electric control parts of said solenoid valves, jeopardising operation thereof.
  • assembly of said vessel support devices for housing detergents and the like involves a series of operations, such as attachment of the block to the frame of the machine, arrangement of the valves inside said machine, provision of the connection between the valves and washing agents housing block by means of the connection of the conveying hoses and clamping of relative clips.
  • the performance of these operations requires considerable assembly times with consequent increase in the costs of assembly of the machine.
  • Another need at the root of the present invention is that of reducing the times and consequent costs required for assembly of the machine and in particular for assembly on the machine of the relative washing agents housing block and of the corresponding valves for feeding flows of water for removing the washing agents.
  • valve means which comprise a portion which extends from said washing agents housing block, and wherein said extension portion is arranged in such a way as to position said valve means supported by the latter between said tub containing the drum which holds the articles to be washed and a vertical wall of the frame of said machine, allows the valve means to be placed in a raised position, distant from the base, and any disturbance caused to the valve means by leaks of water which occur inside the washing machine to be avoided.
  • valve means on the washing agents housing body it is possible for assembly of the valve means on the washing agents housing body to be carried out directly by the firms which manufacture these means, which firms then send the pre-mounted assembly to the firms which assemble washing machines, which in turn mount this assembly on the machine.
  • This operation of mounting the assembly at the manufacturers of the washing machine is performed with extreme rapidity; in fact only attachment of the assembly to the frame of the washing machine and engaging of a single water feed pipe onto said valve means have to be performed.
  • Figure 1 shows the upper part 10 of a top-loader washing machine 12 of a wholly common type.
  • Said washing machine has a support frame having an external shell and provided with vertical side containing walls, 13 denoting in Figure 2 the front vertical wall of said frame.
  • a large opening 14 is also provided for loading the laundry to be washed into the drum 16 which is mobile during operation of the machine in the washing tub of the same machine.
  • said opening In order to allow easy performance of said operations of inserting and removing from the drum 16 for washing laundry, said opening must have the largest possible dimensions.
  • the vessels for containing the washing agents are provided at the side of said loading opening 14.
  • vessels 18, 20, 22, 24 are provided, horizontally aligned one with the other respectively, to house a quantity of detergent for the prewash, a quantity of detergent for washing, a bleach and a fabric conditioner.
  • the assembly 23 of the present preferred embodiment comprises a body 25 for housing the washing agents and suitable valve means 27 for conveying flows for removing said washing agents.
  • said body 25 for housing washing agents has, as shown in Figure 4, a large housing 26 which opens upwards and wherein a container with two compartments 28 is housed, which compartments form said vessels 22 and 24 for the bleach and the fabric conditioner.
  • Said container 28 is placed in a substantially central position in said upper housing 26 so as to form with its own end walls and the walls of said housing the other two vessels 18 and 20 for the prewash detergent and for the actual washing detergent respectively.
  • the lower union 30 is also shown, wherefrom the flows of water conveyed towards the various vessels of the washing agents, after having removed the agent contained in the latter, are made to exit from the block and are fed, thanks to a hose 32, to the washing tub 34 of the washing machine, as shown in Figure 2.
  • FIGs illustrates a possible way of obtaining the passage of the flows full of the washing agents from the vessels to the union 30 for discharge to the tub of the machine. More particularly the vessels for the fabric conditioner and the bleach are fitted with respective discharge siphons 36 and 38, while the passage from the vessels for the washing and prewash detergents takes place directly.
  • the assembly 23 has means for supporting the valve means 27 which comprise a portion 40 which extends from said washing agents housing body 25.
  • said extension portion 40 is arranged in such a way as to position said valve means 27, supported by said portion, between said tub 34 containing the drum 16 for holding articles to be washed and a vertical wall 13 of the frame of said machine.
  • the extension portion 40 forms conduits for conveying the flows of water exiting said valve means. These consist of, in particular, a conduit 42 for a flow of water for removing the prewash detergent entering from the nozzle 44 and outflowing into said vessel 18 via a passage 46, a conduit 48 for a flow of water for removing the actual washing detergent entering from the nozzle 50 and outflowing into said vessel 20 via a passage 52 and a conduit 54 for a flow of water for removing the bleach entering from the nozzle 56 and outflowing into said vessel 22 via a passage 58.
  • Said extension portion 40 also houses a conduit 64 for direct feeding of a flow of water to the washing tub. This flow is used in the tub during drying of the laundry.
  • an air break device 66 is formed in said conduit 64 having a lower hole 68 for the return into the tub of the possible current of water returning to the mains.
  • 70 and 72 denote in the figures the end nozzles of the conduit 64. As is clear from Figure 8, this is therefore an air break arranged vertically and provided integral with the body of the device to the side of the vessel 18 for the prewash detergent. It is nevertheless understood that said air break could also be provided on said extension portion 40.
  • said extension portion 40 which holds the valve means 27, extends from said washing agents housing body 25 downwards from a longitudinal end 25' of the latter.
  • the extension portion 40 is in the form of an element with a substantially flattened configuration which extends and is positioned to the side of said washing agents housing body 25 and said valve means 27 are supported by said extension 40 in such a way that at least a part of them is contained within the transverse outline of the portion of the body 25 which forms said washing agents housing vessels.
  • valve means 27 comprise four solenoid valves 74, 76, 78, 80 respectively connected to the nozzles 44, 50, 56 and 70 for the sending into the conduits of these respective flows of water.
  • the valve means also comprise a manifold element 82 having an inlet 84 for the mains water, transversely whereto said solenoid valves 74, 76, 78, 80 extend and which communicate for sending water with the internal chamber of said manifold 82 through passage apertures opened and respectively closed by mobile gate valves (not shown in the figures) controlled by the operating programme of the washing machine.
  • Said valve means extend along a longitudinal extension axis L and are positioned, during use, in such a way that said L axis is positioned vertically.
  • This arrangement enables the valve means to adopt a position, starting from a position close to said upper wall 10 of the machine, near the side wall 13 of the frame. In this way most of the space between an upper corner of the external shell of prismatic shape of the frame and the circular profile tub 34 is exploited, as shown clearly in Figure 2.
  • This arrangement also allows the manifold 82 to be connected to the mains by means of a hose 83 coming from the lower part of the washing machine and extending in the narrow passage between the washing tub 34 and the external wall 13. This arrangement therefore allows a washing machine with definitely restricted overall dimensions to be produced.
  • said conduits 42, 48, 54, 60 for conveying the flows towards said compartments for containing washing agents are arranged in a substantially flattened lateral portion 88 of the body for housing the washing agents.
  • Said crossing 49 between the conduits 42 and 43 is situated on said lateral part of the body of the device. Obviously it could also be foreseen to position said point of crossing 49 on said support extension 40.
  • Said portion 88 for housing the conveying conduits is positioned substantially vertically and has said openings for feeds of the vessels 46, 52, 58, 62 which open transversely to the portion 88.
  • Means are also provided for attaching the valve means 27 directly to said support portion 40, which means comprise, on the portion 40, several holes 90 for the insertion of corresponding attachment screws 92 inserted in cylindrical inserts 94 extending from the valve means as shown by Figure 6. Said holes 90 having an axis parallel to the axis of the nozzles 44, 50, 70, 56 for feeding and connection to the valve means.
  • Said means for attaching of the valve means comprise a bracket 96 extending at one end of the extension 40, longitudinally to the valve means, and comprising a transverse face 98 for supporting the end of the manifold of said valve means.
  • Said bracket 96 for supporting said valve means being above all formed near the free end 95 of the support portion.
  • washing agents housing body means consisting of holes 100 for the insertion of suitable attachment screws, for attachment of the device to the washing machine.
  • a small plate 102 extends from said support frame and has holes 104 for the insertion of similar attachment screws or other means to allow attachment of the valve means support extension 40 directly to the frame of the machine.
  • Said support and flows conveying portion 40 and the body 25 for housing washing agents are made in a moulded plastic material and form a single body. More particularly, as shown in particular in Figures 3 and 4, the lateral portion 88 for housing conduits for the flows and the extension 40 are made in two parts which are made to face each other and are welded by a hot blade along the linear weld 106.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP98124212A 1997-12-30 1998-12-17 Vorrichtung zur wahlweisen Speisung von Waschmitteln an den Behälter einer mantelbeschickbaren Waschmaschine Withdrawn EP0927785A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI972898 1997-12-30
IT97MI002898A IT1297037B1 (it) 1997-12-30 1997-12-30 Un complesso per la fornitura selettiva di agenti di lavaggio ad una vasca di lavoro di una macchina lavatrice a carica dall'alto

Publications (1)

Publication Number Publication Date
EP0927785A1 true EP0927785A1 (de) 1999-07-07

Family

ID=11378476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98124212A Withdrawn EP0927785A1 (de) 1997-12-30 1998-12-17 Vorrichtung zur wahlweisen Speisung von Waschmitteln an den Behälter einer mantelbeschickbaren Waschmaschine

Country Status (2)

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EP (1) EP0927785A1 (de)
IT (1) IT1297037B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696970A (en) * 1971-04-23 1972-10-10 Whirlpool Co Multiple compartment dispenser for a laundry appliance
GB2127045A (en) * 1982-09-14 1984-04-04 Bosch Siemens Hausgeraete Automatic drum washing machine
EP0125627A2 (de) * 1983-05-12 1984-11-21 INDUSTRIE ZANUSSI S.p.A. Waschmitteleinspülvorrichtung für eine Waschmaschine
US5582039A (en) * 1995-04-27 1996-12-10 Whirlpool Corporation Integrated tub ring with clothes diverter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696970A (en) * 1971-04-23 1972-10-10 Whirlpool Co Multiple compartment dispenser for a laundry appliance
GB2127045A (en) * 1982-09-14 1984-04-04 Bosch Siemens Hausgeraete Automatic drum washing machine
EP0125627A2 (de) * 1983-05-12 1984-11-21 INDUSTRIE ZANUSSI S.p.A. Waschmitteleinspülvorrichtung für eine Waschmaschine
US5582039A (en) * 1995-04-27 1996-12-10 Whirlpool Corporation Integrated tub ring with clothes diverter

Also Published As

Publication number Publication date
IT1297037B1 (it) 1999-08-03
ITMI972898A1 (it) 1999-06-30

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