EP0496708B1 - Improved delivering-dispensing assembly for washing machines - Google Patents

Improved delivering-dispensing assembly for washing machines Download PDF

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Publication number
EP0496708B1
EP0496708B1 EP92830015A EP92830015A EP0496708B1 EP 0496708 B1 EP0496708 B1 EP 0496708B1 EP 92830015 A EP92830015 A EP 92830015A EP 92830015 A EP92830015 A EP 92830015A EP 0496708 B1 EP0496708 B1 EP 0496708B1
Authority
EP
European Patent Office
Prior art keywords
washing
water
amount
detergent
washing machine
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
EP92830015A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0496708A1 (en
Inventor
Silvano C/O Candy S.P.A. Fumagalli
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.)
Candy SpA
Original Assignee
Candy SpA
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 Candy SpA filed Critical Candy SpA
Publication of EP0496708A1 publication Critical patent/EP0496708A1/en
Application granted granted Critical
Publication of EP0496708B1 publication Critical patent/EP0496708B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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 a washing machine having an improved delivering-dispensing assembly.
  • Patent Applications No. 19716 A/87, 19564 A/88 21335 A/88 and 21576 B/90 there are illustrated improvements to washing machines and, in particular, to the drawer vessel or cup supplying to the washing machine the water and detergents for performing some washing cycles.
  • the document DE-B-1228220 discloses a washing machine into which is introduced a supply of an amount of water having the full close of detergent into a first amount of water having a preset temperature. On this document has been formulated the preamble of the main Claim.
  • the aim of the present invention is to further improve the washing efficiency of a washing machine, starting from the basic idea that this washing efficiency is directly proportional to the amount of detergent which is post-added as the washing water has obtained a desired or set temperature.
  • a washing machine having a delivering-dispensing assembly which allows to better exploit the detergent, both by reducing the loss deriving from that portion of detergent which in actual practice is not dissolved in the cold washing water, and by increasing the efficiency of said detergent, which is caused to be dissolved in water which has already been brought to a set temperature.
  • a further object of the present invention is to provide a washing machine having a delivering-dispending assembly which is adapted to efficiently control all of the washing steps and, moreover, which can be easily fitted to the properties of several washing products like those which are conventionally used in washing machines.
  • the washing machine having an improved construction delivering-dispensing assembly comprises a drawer vessel, generally indicated at the reference number 1, which is provided with five compartments, respectively indicated at 2, 3, 4, 5 and 6.
  • water supplying means for introducing into the washing machine the washing water, which water supply means have been generally indicated at the reference number 10.
  • the compartment 2 of the drawer vessel is a pre-washing compartment, which allows the user to perform a conventional type of prewashing, by an automatic programmed pre-washing step.
  • the pre-washing can be of an autonomous type, of a delayed switch-on type, or it can be fully omitted, with a start of the washing cycle in a subsequent step.
  • the compartment 5 is the compartment provided for performing the conventional introducing of the bleaching material, whereas the compartment 6 is provided for supplying possible additives such as softening substances and the like.
  • the over-washing step which is performed by supplying the second amount of water through the additional compartment, provides for the use of the full loaded detergent dose, with the water bath brought to the preset temperature.
  • This system reduces, and in actual practice overcomes,the settling loss of the detergent and the so-called chemical loss, related to a lack of oxygen development, by the oxidizing substances, at the start of each cycle and in all of the cycles performed at low temperature.
  • the sodium perborate provides its full oxidizing action at temperatures greater than 60°C, which are not present in the first portion of the washing cycles.
  • the user has the possibility of performing a conventional washing cycle, which comprises pre-washing, washing, bleaching steps, as well as an additive addition step.
  • the supplying of a minimum level of water inside the washing tub allows to quickly heat said water, with a consequent reduction of the electrical power consume.
  • the disclosed construction affords the possibility of using softening or sweetening products exclusively for the amount of water which is actually necessary for the washing operation, and, moreover, it is possible to use either liquid or powder detergents, as well as detergents strengthened by oxidizing or calcium removing substances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Detergent Compositions (AREA)
EP92830015A 1991-01-22 1992-01-17 Improved delivering-dispensing assembly for washing machines Expired - Lifetime EP0496708B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910043U IT221565Z2 (it) 1991-01-22 1991-01-22 Gruppo erogatore-distributore a struttura perfezionata, per macchine lavabiancheria.
ITMI91043U 1991-01-22

Publications (2)

Publication Number Publication Date
EP0496708A1 EP0496708A1 (en) 1992-07-29
EP0496708B1 true EP0496708B1 (en) 1997-03-26

Family

ID=11358056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92830015A Expired - Lifetime EP0496708B1 (en) 1991-01-22 1992-01-17 Improved delivering-dispensing assembly for washing machines

Country Status (3)

Country Link
EP (1) EP0496708B1 (it)
DE (1) DE69218473T2 (it)
IT (1) IT221565Z2 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1266838B1 (it) * 1994-05-26 1997-01-21 Merloni Elettrodomestici Spa Macchina lavabiancheria a distribuzione di agenti di lavaggio migliorata
US5975352A (en) * 1997-08-28 1999-11-02 Ecolab Inc. Dispenser
KR20050065722A (ko) * 2003-12-23 2005-06-30 삼성전자주식회사 세탁기 및 그 제어 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1156788A (fr) * 1956-08-22 1958-05-21 Pfenningsberg Gmbh Maschfab Dispositif pour l'alimentation automatique en produits de lavage, en particulier de machines à laver automatiques
DE1228220B (de) * 1958-03-27 1966-11-10 Licentia Gmbh Automatisch arbeitende Waschmaschine

Also Published As

Publication number Publication date
DE69218473D1 (de) 1997-04-30
ITMI910043U1 (it) 1992-07-22
DE69218473T2 (de) 1997-07-03
IT221565Z2 (it) 1994-07-22
ITMI910043V0 (it) 1991-01-22
EP0496708A1 (en) 1992-07-29

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