EP0372342A1 - Geschirrspüler mit variabler Beladungsmöglichkeit - Google Patents

Geschirrspüler mit variabler Beladungsmöglichkeit Download PDF

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Publication number
EP0372342A1
EP0372342A1 EP89121829A EP89121829A EP0372342A1 EP 0372342 A1 EP0372342 A1 EP 0372342A1 EP 89121829 A EP89121829 A EP 89121829A EP 89121829 A EP89121829 A EP 89121829A EP 0372342 A1 EP0372342 A1 EP 0372342A1
Authority
EP
European Patent Office
Prior art keywords
basket
dishwashing machine
load basket
machine according
washing chamber
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.)
Granted
Application number
EP89121829A
Other languages
English (en)
French (fr)
Other versions
EP0372342B1 (de
Inventor
Dino Bongini
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
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 Merloni Elettrodomestici SpA filed Critical Merloni Elettrodomestici SpA
Publication of EP0372342A1 publication Critical patent/EP0372342A1/de
Application granted granted Critical
Publication of EP0372342B1 publication Critical patent/EP0372342B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L15/50—Racks ; Baskets
    • A47L15/508—Hydraulic connections for racks
    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/504—Arrangements for changing the height of racks
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays

Definitions

  • the present invention refers to a dishwashing machine having variable load possibility.
  • diswashing machines usually comprise a box-type structure defining a washing chamber wherein a lower and an upper load basket are located, in order to hold the pottery to be washed.
  • Each load basket can be independently moved along an extracting direction perpendicular to a face of the box-type structure, which is suitably provided with a door in order to allow the loading and unloading of the pottery into and out of the baskets.
  • each load basket there is located an arm spraying a washing liquid, revolving around a substantially vertical axis, hitting with liquid jets the pottery loaded in above lying basket.
  • the cumbersome pottery is located in the lower basket, because the clearance from it to the upper spraying arm is greater than the clearance from the upper basket to the ceiling of the washing chamber.
  • the upper spraying arm is held by the bottom of the upper basket and is fed through a vertical tubular element located substantially in the centre of the upper basket and which receives the washing liquid from a supplying orifice supported by the ceiling of the washing chamber.
  • the two spraying arms are supported underneath the load baskets by arms fixed to a wall of the washing chamber.
  • the object of the present invention is to solve the above said problems, realizing a dishwashing machine where there is possible to change the loading capacity of the baskets, so as to satisfy in full very different loading needs.
  • Another aim of the present invention is to realize a dishwashing machine having a variable loading capacity for both the baskets, which can be obtained in a simple and effective way.
  • a dishwashing machine having variable load possibility, comprising a box-type structure defining internally a washing chamber where a lower and an upper load basket are located, which can slide along an extracting direction substantially perpendicular to the opening face of the washing chamber, where underneath each load basket there is a revolving sprayer for a washing liquid, characterized in that the dishwashing machine comprises means to position the upper load basket in different ways in order to realize at least two positions with different tilt with respect to the ideal lying plane of the lower basket, in order to obtain a variation of the loading capacity of said load baskets.
  • the dishwashing machine according to the invention, indicated as a whole with the reference number 1, comprises a box-type structure 2 defining internally a washing chamber 3 where a lower load basket 4 and an upper load basket 5 are located.
  • Load baskets 4 and 5 can slide along extracting directions substantially perpendicular to the front face of structure 2, which is suitably provided with a door 6, which can be open in order to allow to extract the baskets 4 and 5 during pottery loading and unloading operations.
  • each load basket there is a spraying arm, e.g. a lower rotating arm 7, which is only schematically indicated and is fed in a 'per se' known way, and an upper rotating arm 8 whose feeding will be explained later on.
  • a spraying arm e.g. a lower rotating arm 7, which is only schematically indicated and is fed in a 'per se' known way, and an upper rotating arm 8 whose feeding will be explained later on.
  • the upper basket 5 can either be located in a first position, where it is substantially parallel to the lying plane of the lower basket 4, or in a second position, where it is tilted in respect of the lying plane of the lower basket 4.
  • the means for a diversified positioning comprise a first slide, formed by an horizontal row of rollers 9, located on a lateral wall 10 defining the washing chamber 3, and a second horizontal sliding guide 11, which is held between two guides 12a and l2b, fixed to the lateral wall 13 opposite to wall 10.
  • the side of the upper basket which faces lateral wall 13 is provided with two rows of horizontal rollers 14 and 15, which according to choice can engage guide 11, and the upper basket can be tilted around an axis parallel to the extracting direction (sliding direction) so as to allow a positioning in two different planes forming an angle as said.
  • a supporting means 16 which is coupled in a sliding way with rollers 9, with the intervention of an elongated element 17, and which holds the side of the upper basket by means of hinges 18 which have an axis substantially parallel to the sliding direction of the basket so allowing the tilting around said axis.
  • Hinges 18 may be constituted simply by cylindrical open recesses, obtained by plastic material moulding, which engage the small lateral bars forming the frame of the basket and which usually show a round cross section.
  • the upper rotating arm 8 is rotatably supported in a plane substantially parallel to the lying plane of load basket 5 by the upper basket 5 itself and there are provided hydraulic connection means intervening between arm 8 and a supply circuit located laterally to the box-type structure.
  • a feeding outlet 20 of the hydraulic supply circuit shows a head 20a, which is substantially formed in a spherical section, and to which can possibly be connected a suitably conformed end of a tubular element 21, which constitutes the said hydraulic connection means and is connected, at its other end, to rotating arm 8.
  • the tubular element 21 shows a variable lenght so as to allow to engage or disengage with the head of the supply outlet 20.
  • tubular element 21 is constituted by a first portion 21a which is coupled to the bottom of the upper basket 5 in a way that it can oscillate around an axis perpendicular to the lying plane of the basket and which holds the arm 8 so that it can rotate around its axis, and by a second portion 21b which is intended for engaging the head 20a and which can slide externally to the the end of portion 21a opposite in respect of the connecting side of arm 8.
  • Second portion 21b is guided in its sliding by bayonet joints 22 which also define the maximum lenght of the tubular element.
  • first intervening elastic means e.g. an helical spring 23, which acts on the second portion promoting the lenghtening of tubular element 21.
  • Said elastic means after the tubular element has been inserted in the supply outlet 20, improve the hydraulic sealing between head 20a and tubular element 21.
  • preferential positioning means to hold, during the extraction of the upper basket 5 from the washing chamber, the tubular element 21 in a predetermined position.
  • Said preferential positioning means are constituted by a spring 25 which pulls the tubular element 21 against a firm stop 26 defined in the bottom of the upper basket 5.
  • Tubular element 21 is separated from the firm stop 26 as a consequence of the contact with the supply outlet 20 during the insertion of the basket in the washing chamber and is pressed again by the spring 25 against the firm stop when, as a consequence of the extraction of the upper basket, tubular element 21 leaves the supply outlet 20.
  • the use of the dishwashing machine according to the invention is the following.
  • the upper basket 5 In normal load conditions, the upper basket 5 is positioned in a plane parallel to the ideal lying plane of the lower basket 4, with rollers 14 which engage the guide 11. When it is necessary to increase the available space above the upper basket 5, it is sufficient to extract the upper basket 5 and disengage rollers 14 from guide 11 and engage the guide with rollers 15. In this way, upper basket 5 is tilted toward the bottom and above it, in the area near to wall 13, it is possible to fit pots larger than in the preceding condition.
  • the upper basket 5 can be reinserted in the washing chamber 3.
  • the tubular element 21 leaves the supply outlet 20, oscillating around an axis which coincides with the axis of the upper revolving arm 8, while during reinsertion it engages again, as shown in particular in figure 6, with the supply outlet 20.
  • Figure 11 shows the vertical section of an advantageous embodiment of the connection between the tubular element 21 and the supply outlet 20.
  • the outlet 20 is always tilted towards the bottom of the washing chamber; in this way when the upper basket is tilted, in order to accept cumbersome pottery, the tubular element 21 is in line with the outlet 20, so that full hydraulic power is available for a stronger washing action; when, on the contrary, the upper basket is in an horizontal position (normal load of small dishes or saucers), the hydraulic power is somewhat reduced.
  • the assembling of the first portion of the tubular element 21a on the second portion 21b is realized by release means (28,29) formed by small flexible tongues 28 which engage appendixes 29.
  • the dishwashing machine according to the invention fulfills very well the extablished aim because the oscillation of the upper load basket allows a more rational exploitation of the space available to the two baskets.
  • Another advantage is that, tilting the upper basket, the loading capacity related to both the baskets is changed substantially only for a portion of the baskets sufficient to face unusual room needs, without affecting the remaining parts.
  • the dishwashing machine so conceived can easily be modified in many ways, without departing from the inventive idea; for instance, it is possible to foresee devices to vary the vertical positioning of guides 12a and 12b so obtaining a practically continous adjustment of the slope of the upper basket, according to the loading needs.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Warehouses Or Storage Devices (AREA)
EP89121829A 1988-11-28 1989-11-25 Geschirrspüler mit variabler Beladungsmöglichkeit Expired - Lifetime EP0372342B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8822767A IT1227581B (it) 1988-11-28 1988-11-28 Macchina lavastoviglie con possibilita' di carico variabile
IT2276788 1988-11-28

Publications (2)

Publication Number Publication Date
EP0372342A1 true EP0372342A1 (de) 1990-06-13
EP0372342B1 EP0372342B1 (de) 1993-10-06

Family

ID=11200234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121829A Expired - Lifetime EP0372342B1 (de) 1988-11-28 1989-11-25 Geschirrspüler mit variabler Beladungsmöglichkeit

Country Status (4)

Country Link
EP (1) EP0372342B1 (de)
DE (1) DE68909753T2 (de)
ES (1) ES2046435T3 (de)
IT (1) IT1227581B (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772846A1 (fr) * 1997-12-19 1999-06-25 Esswein Sa Dispositif de reglage en hauteur a au moins deux positions differentes d'un element d'une machine, notamment un panier de lave-vaisselle
EP1136030A1 (de) * 2000-03-13 2001-09-26 V-Zug AG Geschirrspüler mit verstellbarem Geschirrkorb
US6431188B1 (en) 2000-04-03 2002-08-13 Whirlpool Corporation Dishwasher spray arm feed system
CN100334998C (zh) * 2001-12-28 2007-09-05 Bsh博施及西门子家用器具有限公司 用于洗碗机的餐具篮
WO2009004034A1 (en) * 2007-07-04 2009-01-08 Arcelik Anonim Sirketi A dishwasher with a flexible spray arm feed pipe
US7775378B2 (en) 2007-05-04 2010-08-17 Electrolux Home Products, Inc. Height adjustment mechanism for a dishwasher rack and associated method
EP2415385A1 (de) * 2010-08-06 2012-02-08 Electrolux Home Products Corporation N.V. Geschirrspüler
CN104274139A (zh) * 2009-04-22 2015-01-14 统一品牌有限公司 用于连续运动洗涤机的流体流动结构和方法
US10820776B2 (en) 2009-04-22 2020-11-03 Unified Brands, Inc. Fluid flow structure and method of use for continuous motion washing machine
US10820783B2 (en) 2017-03-31 2020-11-03 Electrolux Appliances Aktiebolag Bracket, rack, and dishwasher

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9138126B2 (en) 2011-11-02 2015-09-22 General Electric Company Height adjustable conduit for a dishwashing appliance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126098A (en) * 1964-03-24 Rack construction for diswashing machine
DE2733090A1 (de) * 1976-07-27 1978-02-02 Hobart Corp Oberes spuelarmsystem fuer eine geschirrspuelmaschine
DE2732540A1 (de) * 1977-07-19 1979-02-01 Bosch Siemens Hausgeraete Geschirrkorb mit einem sprueharm
DE2732665A1 (de) * 1977-07-20 1979-02-01 Bosch Siemens Hausgeraete Geschirrkorb mit einem sprueharm
DE3110299A1 (de) * 1981-03-17 1982-10-28 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Anordnung eines geschirrkorbes in einer geschirrspuelmaschine
WO1983001892A1 (en) * 1981-11-24 1983-06-09 Berglund, Bo-Anders, Ragnar A connecting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126098A (en) * 1964-03-24 Rack construction for diswashing machine
DE2733090A1 (de) * 1976-07-27 1978-02-02 Hobart Corp Oberes spuelarmsystem fuer eine geschirrspuelmaschine
DE2732540A1 (de) * 1977-07-19 1979-02-01 Bosch Siemens Hausgeraete Geschirrkorb mit einem sprueharm
DE2732665A1 (de) * 1977-07-20 1979-02-01 Bosch Siemens Hausgeraete Geschirrkorb mit einem sprueharm
DE3110299A1 (de) * 1981-03-17 1982-10-28 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Anordnung eines geschirrkorbes in einer geschirrspuelmaschine
WO1983001892A1 (en) * 1981-11-24 1983-06-09 Berglund, Bo-Anders, Ragnar A connecting device

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772846A1 (fr) * 1997-12-19 1999-06-25 Esswein Sa Dispositif de reglage en hauteur a au moins deux positions differentes d'un element d'une machine, notamment un panier de lave-vaisselle
EP0925755A1 (de) * 1997-12-19 1999-06-30 Esswein S.A. Vorrichtung zur Höhenverstellung
EP1136030A1 (de) * 2000-03-13 2001-09-26 V-Zug AG Geschirrspüler mit verstellbarem Geschirrkorb
US6431188B1 (en) 2000-04-03 2002-08-13 Whirlpool Corporation Dishwasher spray arm feed system
CN100334998C (zh) * 2001-12-28 2007-09-05 Bsh博施及西门子家用器具有限公司 用于洗碗机的餐具篮
US7775378B2 (en) 2007-05-04 2010-08-17 Electrolux Home Products, Inc. Height adjustment mechanism for a dishwasher rack and associated method
WO2009004034A1 (en) * 2007-07-04 2009-01-08 Arcelik Anonim Sirketi A dishwasher with a flexible spray arm feed pipe
CN104274139A (zh) * 2009-04-22 2015-01-14 统一品牌有限公司 用于连续运动洗涤机的流体流动结构和方法
US10820776B2 (en) 2009-04-22 2020-11-03 Unified Brands, Inc. Fluid flow structure and method of use for continuous motion washing machine
US10835097B2 (en) 2009-04-22 2020-11-17 Unified Brands, Inc. Fluid flow structure and method of use for continuous motion washing machine
EP2415385A1 (de) * 2010-08-06 2012-02-08 Electrolux Home Products Corporation N.V. Geschirrspüler
WO2012016710A3 (en) * 2010-08-06 2012-10-18 Electrolux Home Products Corporation N. V. Dishwasher
CN103108580A (zh) * 2010-08-06 2013-05-15 伊莱克斯家用产品公司 洗碗机
US10820783B2 (en) 2017-03-31 2020-11-03 Electrolux Appliances Aktiebolag Bracket, rack, and dishwasher

Also Published As

Publication number Publication date
EP0372342B1 (de) 1993-10-06
ES2046435T3 (es) 1994-02-01
DE68909753D1 (de) 1993-11-11
IT1227581B (it) 1991-04-16
IT8822767A0 (it) 1988-11-28
DE68909753T2 (de) 1994-03-03

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