EP0505684B1 - Dispositif de programmation pour une machine à laver - Google Patents

Dispositif de programmation pour une machine à laver Download PDF

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Publication number
EP0505684B1
EP0505684B1 EP92101306A EP92101306A EP0505684B1 EP 0505684 B1 EP0505684 B1 EP 0505684B1 EP 92101306 A EP92101306 A EP 92101306A EP 92101306 A EP92101306 A EP 92101306A EP 0505684 B1 EP0505684 B1 EP 0505684B1
Authority
EP
European Patent Office
Prior art keywords
cams
program
cam
programming device
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
EP92101306A
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German (de)
English (en)
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EP0505684A3 (fr
EP0505684A2 (fr
Inventor
Marcello Premoli
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.)
Whirlpool EMEA SpA
Original Assignee
Merloni Elettrodomestici SpA
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Filing date
Publication date
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Application filed by Merloni Elettrodomestici SpA filed Critical Merloni Elettrodomestici SpA
Publication of EP0505684A2 publication Critical patent/EP0505684A2/fr
Publication of EP0505684A3 publication Critical patent/EP0505684A3/fr
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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
    • A47L15/42—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
    • 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
    • A47L2401/20—Time, e.g. elapsed operating time
    • 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
    • A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
    • 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
    • A47L2501/02—Water discharge, e.g. opening or closure of discharge valve
    • 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
    • A47L2501/06—Water heaters
    • 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
    • A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions
    • 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
    • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply

Definitions

  • the present invention relates to a programming device for washing machines, in particular for dishwashers, able to control the execution of a plurality of different washing programs, comprising a mechanical cam system, controlled by means of command buttons.
  • Such buttoned programming devices normally comprise a mechanical cam system and two operative motors.
  • the first motor has the task of advancing the group of cams, so as to consent the selection of the various programs available through the mechanical cam system.
  • the mechanical cam system has the task of managing the course of the various programs or washing cycles, being of various duration and levels of complexity, obtained by a base program, complete in all the typical phases (pre-wash, wash, hot and cold rinse, drying, etc.).
  • Each cam manages one or more phases or functions and therefore, according to the program selected, one or more cams are put into use.
  • the second motor however has the task of making the programmer carry out different programs, for instance skipping phases and always utilising the mechanical cam system containing the base program.
  • the above mentioned second motor is used, which is a fast moving motor.
  • the function of such is to let the group of cams proceed at a high speed, so as to skip, for instance, the pre-wash or other intermediate phases.
  • Al alternative to the second motor is the use of complex and delicate ratchet gears, being electromagnetically controlled, which allow, with a single motor, to vary the rotating speed of the set of cams; however, also in this case, the complexity of the device is greatly increased , with clear consequences about costs.
  • a programming device comprising a single operative motor and commanded by way of bush-buttons; this device does not comprise however a customary set of rotating cams for controlling electric contacts and is very complicated in that it presents a plurality of sliding selecting boards and a rotating selection disk of insulating material, these components being very critical from the mechanical and electrical point of view.
  • the invention is based on the knowledge of these facts and consequently its aim is to indicate a programming device for washing machines, of the type indicated, that overcome the inconvenience of the known programmers, being of simple realization and maintenance, reliable and affordable.
  • the present invention has as its object an electromechanical programming device for washing machines, in particular for dishwashers, having the characterizing feature of the annexed claim 1; further embodiments of the invention are contained in the dependent claims 2-8.
  • buttons ON/OFF are to be noted, respectively distinguished with the symbols ON/OFF, +, E, A, R.
  • the ON/OFF button is the button for turning on and off the machine (main switch); by depressing only such switch the machine will carry out the standard complete wash (or base program).
  • buttons that for their utilisation naturally suppose that the machine has been turned on by means of the ON/OFF button, have the following functions:
  • a window is represented that displays a mobile index of the cycle's progress; such index is associated to the mechacnical programming system.
  • a slot F is provided below the window, in correspondence with the axis of the programmer, that allows for a service key to be introduced for the rapid advancement of the programmer, in the case of trials, controls and inspections during a service of technical assistance.
  • Such slot is closed with a snap cover or by other known means, that can be removed when necessary.
  • the first line represents the phases carried out during the complete standard program, that comprises a cold pre-wash phase (PF), a wash phase at 65° (L 65), an initial cold rinse (1F), a second cold rinse (2F), a third hot rinse at 65° (3C) and a final drying phase (D); beside the first line the ON/OFF button is indicated, as mentioned above, the depressing of such button, apart from turning on the machine, activates said standard program.
  • the second line represents the phases carried out during the intensive program, that is composed of a hot pre-wash phase (PC), a wash phase at 65° (L 65), an initial cold rinse (1F), a second cold rinse (2F), a third hot rinse at 65° (3C) and a final drying phase (D); beside the second line, apart from the ON/OFF button, the + button is also indicated, that has to be depressed for activating such intense program.
  • PC hot pre-wash phase
  • L 65 wash phase at 65°
  • 2F initial cold rinse
  • 3C third hot rinse
  • D final drying phase
  • the third line represents the phases carried out during the economic program, that comprises a cold pre-wash phase (PF), a wash phase at 55° (L 55), an initial cold rinse (1F), a second hot rinse at 55° (2C) and a final drying phase (D); beside the third line, apart from the ON/OFF button, the button E is also indicated, that has to be depressed for activating such economic program.
  • PF cold pre-wash phase
  • L 55 wash phase
  • 1F initial cold rinse
  • 2C second hot rinse
  • D final drying phase
  • the fourth line represents the course of the pre-rinse program, that is composed of only a pre-rinsing phase; beside the fourth line, apart from the ON/OFF button, button A is also indicated, that has to be depressed for activating such pre-rinsing program.
  • the fifth line represents the washing phases carried out during the quick wash phase, that is composed of a wash phase at 55° (L 55), a single hot rinse phase at 65° (1C) and a final drying phase (D); beside the fifth line, apart from the ON/OFF button, button R is also indicated, that has to be depressed for activating such quick wash program.
  • the mechanical cam system is of the normal type, that does not provide however electromagnetic commanded ratchet gears, comprising a group of cams that allow for the carrying out of all the wash phases normally provided for (pre-wash, wash, three rinses and drying) and that with simply activating the ON/OFF button the standard program can be carried out (first line of fig. 2).
  • Said group of cams provide for a first supplementary cam that causes an arrest during the cold pre-wash; said first supplementary cam is activated by depressing button A and therefore is utilised only in the case of the pre-rinse program.
  • the group of cams also provides for a second supplementary cam for the execution of the hot pre-wash; said second supplementary cam is activated by button +, in the case of selecting the intensive program.
  • the same group of cams also provides for a third supplementary cam for carrying out the washing at 55° instead of 65°, that can be activated with the buttons E and R, during the course of the respective programs selected, and a fourth supplementary cam, activated with button E, for preventing a cold rinse.
  • the grouped cam provides for a fifth supplementary cam, activated with button R, that prevents drainage of and filling with water between the pre-wash and wash and in correspondence with the second and third rinse; in a possible variant the drying phase could also be prevented.
  • the pre-rinsing program that consists of a rapid rinsing of the dishes, is obtained through the utilisation of a cam that causes an arrest of a phase substantially similar to the rinsing itself, in other words the (cold) pre-wash.
  • the cycle selected successively will start not at its own beginning, but at the end of the former rinsing cycle; however, in practice, the pre-wash of the selected cycle will result in being shorter, but of such an extent being absolutely negligible.
  • V indicates the electrical voltage of the mains input
  • ON/OFF indicates the activating switch, that activates or disactivates both phases of the mains
  • the symbol EC indicates an extra-course contact that has the task of activating the operative motor (M) of the programmer shortcircuiting the cams, indicated with the reference symbols C1, C2, C3.
  • Reference sybmol CP indicates the group of cams of the programmer of which, for ease of representation and understanding, the cams C1, C2 and C3 have been placed externally. It is to be underlined that said cams are not the 4 mentioned supplementary cams, but are other cams, two of which (C2 and C3) are additional. In particular:
  • Said impulse of a few seconds is obtainable only through a fast cam (C3) because, as previously mentioned, the fast cams are of a continuous motion and complete a revolution every 60 seconds; therefore they can be shaped so as that the impulse corresponding to a revolution be divided as desired (in the present 58 seconds open and 2 seconds closed).
  • the division of the functional tasks during the final impulse serves therefore in re-setting the programmer in a short time from the position of cycle termination to the initial position for beginning another cycle.
  • a new washing program can be initiated by depressing the button corresponding to the selected program; for selecting the standard program it is sufficient to depress the ON/OFF button, while for selecting another program two buttons are to be depressed: the ON/OFF button (turning on/off) and the button corresponding to the selected program.
  • the ON/OFF button turning on/off
  • the button corresponding to the selected program Closing the ON/OFF switch, the extra-course EC is also automatically closed, due to the effect of the finger pressure applied, that activates in this manner the motor (M) of the programmer, which then rotates and in turn rotates the fast cam C3 until the commutation click of the slow cam, that indicates the beginning of the cycle.
  • the motor of the programmer will continue to receive current from cam C1, until the beginning of the final impulse of the selected program.
  • the user will be informed of the beginning of the cycle or the starting of the machine by the mobile index visible through the window of the control panel, beside the buttons. Furthermore, the beginning of the cycle or the starting of the machine may be made even more evident using an indication light or an acustic signal.
  • the described command system therefore allows for the re-setting of the programmer from the point of the end of cycle to the starting point, an operation that in devices utilising a rotating dial is carried out manually by the user and with programmers having traditional buttons can only be obtained with electromagnetic ratchet gears or a second fast operational motor.
  • FIG 4 the electrical diagram of the activating system of the programmer according to a variant of the invention is represented; with the reference symbol V the electrical voltage of the mains supply is indicated; the symbol ON/OFF1 indicates the on or off switch (having substantially the same functions as the button ON/OFF), that activates or disactivates both phases of the mains; the symbol EC indicates an extra-course contact, that has the task of activating a relay R, this being a relay of the cyclic type, whose contact is to be found in series with the contacts of the switch ON/OFF1 and the motor (M) of the programmer; symbol CP indicates a group of cams of the programmer of which, for ease of representation and understanding, the cams C4, C5, C6, C7 and C8 have been placed externally.
  • Cam C5 is a slow cam and has the task of activating the motor (M) of the programmer during the various phases of the wash programs; cams C4 and C7 are two fast cams placed in series with two slow cams C8 and C6 (the cams C4, C5, C6, C7 and C8 are consequently additional cams).
  • Said relay R has the characteristic of keeping the contacts open or closed in a permanent manner, even in voltage loss at the command winding, in such a way that every voltage impulse corresponds to a state of closure or opening of the contacts in an alternative sequence.
  • the ON/OFF1 swich comprises a known electromagnetic release system so as that, upon termination of the wash cycle, a voltage impulse commanded by the programmer through the fast cam C4, causes the release of the switch and the consequent switching off of the machine.
  • the slow cam C8 has the task of disactivating cam C4, in avoiding that the latter interrupts the release system of the ON/OFF1 switch before the cycle has finished.
  • cam C7 The function of cam C7 is to supply an electrical impulse to the winding of the relay for opening the contacts, after the programmer has closed the contacts of cam C5 and passed under its control.
  • Cam C6 has the task of disactivating cam C7 in avoiding that every revolution of the latter continues to supply the winding of the relay R, with consequent closure and opening of the contacts upon every revolution, and that it continues to interfere in the activation of the motor of the programmer taking supply control from the cam C5.
  • buttons corresponding to the selected program For starting a wash program the button corresponding to the selected program is depressed; in selecting the standard program it is sufficient to depress the ON/OFF1 button, while for selecting another program two buttons have to be depressed: the ON/OFF1 button (for turning on) and the button corresponding to the program to be selected.
  • the extra-course contact EC is also momentary closed, which causes activation of the relay R, whose cyclic element rotates in such a manner so as to close the contact and thus activate the motor of the programmer.
  • the task of the relay R however is in avoiding that the user has to keep the ON/OFF1 button depressed for a predetermined period of time, as was necessary in the solution demonstrated in figure 3.
  • the motor of the programmer begins to revolve and causes the group of cams to rotate, causing the closure of cam 5 that indicates the beginning of the wash cycle.
  • cams C6 and C7 infact upon the closure of cam C5 the simultaneous closure of cam C6 takes place and, with the immediate successive closure of the fact cam C7, an electrical impulse is sent to the relay R, whose cyclic element rotates in a manner that opens the contact and leaves the supply control of the motor of the programmer completely to cam C5 until the the end of the washing cycle. Further closures of the contact of cam C7 will be ineffective, as in the meantime, as demonstrated in figure 6 cam C6 has opened.
  • interval between the vertical lines represents the 60 second impulse of the slow cams the black sections the closure times.
  • the task of the ON/OFF1 button provided with electromagnetic release is that of removing the supply from the entire machine at the end of the washing cycle, without the necessity of the user having to depress the button a second time;
  • a second depressing of the button were necessary, after that carried out for starting the machine, such a second depression would re-activate the extracourse contact EC which would close the the contact of the relay R, so that when the comand for beginning a new washing cycle be called for, the relay would not be able to start the motor M and move, as a consequence the group of cams, because an electrical impulse to the relay R would open the contact instead of closing it.
  • cams C4 and C8 are closed, that activate the electromagnetic release of the general switch, thus causing the arrest of the machine and the correct positioning of the ON/OFF1 button (open position) and leaving the contact of relay R in an open position so as to be operative upon turning the machine for future use.
  • the described device allows for obtaining a plurality of washing programs by means of control buttons, utilising a normal mechanical cam programmer, without the use of a second motor or complex ratchet gears.
  • One of these could be that of grouping the five buttons in a single push button panel, facilitating the assembly of the buttons on the machine.
  • a further variant could relate to the button command system.
  • the ON/OFF or ON/OFF1 button must be depressed and the button relating to the particular selected program:

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (8)

  1. Programmateur électromécanique pour une machine à laver, en particulier pour un lave-vaisselle, afin de contrôler l'exécution d'une pluralité de différents programmes de lavage, comportant :
    un ensemble (CP) de cames rotatives (C1-C8) comportant des contacts électriques, lesdits contacts électriques, étant actionnables grâce à la rotation desdites cames (C1-C8) ;
    un seul moteur électrique, pour provoquer l'avancement dudit ensemble de cames rotatives (CP) ;
    un ensemble de boutons-poussoirs (MARCHE/AARET, +, E, A, R) pour choisir l'un des programmes de lavage possibles,
    un ou plusieurs desdits boutons-poussoirs assurant l'activation d'une ou de plusieurs desdites cames (C4, C5, C6, C7, C8), qui activent et/ou désactivent des fonctions particulières d'un programme de lavage,
    caractérisée en ce que
    ladite pluralité de programmes différents peut être sélectionnée uniquement à l'aide desdits boutonspoussoirs (MARCHE/ARRET, +, E, A, R) et en ce que ledit ensemble de cames (CP) comporte une ou plusieurs cames (C1, C2, C3) activées par un premier desdits boutons-poussoirs (MARCHE/AARET) avec pour but de contrôler ledit moteur électrique (M) pour replacer ledit ensemble de cames (CP) dans sa position de départ avant l'exécution d'un nouveau programme de lavage.
  2. Programmateur électromécanique pour une machine à laver selon la revendication 1, caractérisé en ce que lesdites fonctions particulières comportent ;
    le chauffage de l'eau durant une phase de prélavage, et/ou
    la sélection d'une température déterminée pour l'eau et/ou
    la suppression de l'exécution d'une phase de rinçage à froid, et/ou
    l'interruption du programme de lavage après que seulement une partie d'une phase, de prélavage a été exécutée, et/ou
    l'empêchement de la vidange et du remplissage de l'eau entre une phase de prélavage et une phase de lavage, et/ou
    l'empêchement de la vidange et du remplissage de l'eau entre différentes phases de rinçage, et/ou
    l'empêchement d'une phase de séchage.
  3. Programmateur électromécanique pour une machine à laver selon la revendication 1, caractérisé en ce que ledit premier bouton-poussoir (MARCHE/ARRET) comporte un contact (EC) qui excite ledit moteur (M) pour provoquer la commutation d'une ou de plusieurs desdites cames (C1, C2, C3) utilisées pour replacer ledit ensemble de cames (CP) dans la position de départ.
  4. Programmateur électromécanique pour une machine à laver selon la revendication 3, caractérisé en ce que lesdites cames (C1, C2, C3) utilisées pour la remise en place dudit ensemble de cames (CP) dans la position de départ comportent une came rapide (C3) et au moins une came lente (C1, C2).
  5. Programmateur électromécanique pour une machine à laver selon la revendication 3, caractérisé en ce qu'un relais (R) ayant un élément cyclique rotatif est associé audit contact (EC).
  6. Programmateur életromécanique pour une machine à laver selon la revendication 5, caractérisé en ce que plusieurs cames (C6, C7) sont prévues pour, après le démarrage du programme, placer ledit relais (R) dans une position de repos prêt pour son intervention ultérieure lorsque, après exécution du programme, on désire réactiver la machine.
  7. Programmateur électromécanique pour une machine à laver selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que des moyens d'indication, sont prévus, pour mettre en évidence le point de départ du programme, lesdits moyens d'indication étant en particulier du type visuel, lumineux ou acoustique.
  8. Programmateur électromécanique pour une machine à laver selon la revendication 1, caractérisé en ce qu'il comporte une fente (F) et un couvercle de fermeture associé, afin de permettre un accès aisé à l'intérieur du programmateur.
EP92101306A 1991-01-31 1992-01-28 Dispositif de programmation pour une machine à laver Expired - Lifetime EP0505684B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO910064 1991-01-31
ITTO910064A IT1246133B (it) 1991-01-31 1991-01-31 Dispositivo programmatore per macchina di lavaggio

Publications (3)

Publication Number Publication Date
EP0505684A2 EP0505684A2 (fr) 1992-09-30
EP0505684A3 EP0505684A3 (fr) 1992-10-21
EP0505684B1 true EP0505684B1 (fr) 1999-05-26

Family

ID=11408856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92101306A Expired - Lifetime EP0505684B1 (fr) 1991-01-31 1992-01-28 Dispositif de programmation pour une machine à laver

Country Status (3)

Country Link
EP (1) EP0505684B1 (fr)
DE (1) DE69229245T2 (fr)
IT (1) IT1246133B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1291034B1 (it) * 1997-02-18 1998-12-14 Prealpina Tecnoplastica Macchina di lavaggio con dispositivo perfezionato per il caricamento ed il dosaggio di liquido, e relativo metodo di dosaggio.
DE10259060A1 (de) 2002-12-17 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Spülverfahren sowie Geschirrspülmaschine
JP5670847B2 (ja) * 2011-06-20 2015-02-18 ホシザキ電機株式会社 洗浄機

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1108344A (en) * 1914-01-06 1914-08-25 Davis Automatic Filing Company Indexing apparatus.
FR1263546A (fr) * 1960-07-13 1961-06-09 Hoover Ltd Commande automatique pour machine automatique à plusieurs programmes
CH358404A (de) * 1961-04-13 1961-11-30 Remmele Wilfred Programmsteuerungseinrichtung, insbesondere für Waschmaschinen
US3259764A (en) * 1963-11-08 1966-07-05 Gen Electric Dishwasher control means
DE1460993A1 (de) * 1965-07-23 1970-07-23 Kieninger & Obergfell Elektrisches Programmsteuergeraet,vorzugsweise fuer elektrische Haushaltsgeraete,insbesondere Waschmaschinen und Geschirrspuelmaschinen
US3384098A (en) * 1966-08-17 1968-05-21 Gen Electric Control means for automatic dishwasher
US3861413A (en) * 1974-01-28 1975-01-21 Fedders Corp Indicating device for a dishwasher
DE3912121A1 (de) * 1989-04-13 1990-10-18 Miele & Cie Verfahren und anordnung fuer die programmeingabe und programmsteuerung von haushaltsgeraeten

Also Published As

Publication number Publication date
EP0505684A3 (fr) 1992-10-21
IT1246133B (it) 1994-11-15
EP0505684A2 (fr) 1992-09-30
DE69229245T2 (de) 2000-02-24
DE69229245D1 (de) 1999-07-01
ITTO910064A0 (it) 1991-01-31
ITTO910064A1 (it) 1992-07-31

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