EP4027079B1 - Kühlgerät mit einer eisbereiter-montage - Google Patents

Kühlgerät mit einer eisbereiter-montage Download PDF

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Publication number
EP4027079B1
EP4027079B1 EP21217711.7A EP21217711A EP4027079B1 EP 4027079 B1 EP4027079 B1 EP 4027079B1 EP 21217711 A EP21217711 A EP 21217711A EP 4027079 B1 EP4027079 B1 EP 4027079B1
Authority
EP
European Patent Office
Prior art keywords
ice
ice mold
mold
water
maker assembly
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.)
Active
Application number
EP21217711.7A
Other languages
English (en)
French (fr)
Other versions
EP4027079A1 (de
Inventor
Kaan CENESIZ
Emre KARAAGAC
Nihat Gunduz
Gokmen PEKER
Huseyin CURA
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.)
Arcelik AS
Original Assignee
Arcelik AS
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Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP4027079A1 publication Critical patent/EP4027079A1/de
Application granted granted Critical
Publication of EP4027079B1 publication Critical patent/EP4027079B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/04—Producing ice by using stationary moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/14—Water supply

Definitions

  • the present invention relates to a cooling appliance having an ice maker assembly.
  • the ice maker assembly can be a manual or an automated system configured to freeze water and supply the user with ice.
  • manual systems the user must rotate the ice mold to free ice produced inside the ice mold on regular intervals.
  • the automated systems work similarly with the difference that the ice maker assembly rotates the ice mold on predetermined time intervals in order to free ice produced inside the ice mold.
  • the ice is than stored inside a container located underneath or in close vicinity of the ice mold.
  • a problem with the conventional automatic ice maker assemblies is the fact that the water delivered into the ice mold accumulates in a part of the ice mold close to the water supply whereas a major portion of the ice mold remains empty.
  • the ice pieces that are formed are not uniform in volume. This decreases the quality of the ice pieces formed and as a result the quality perception of the cooling appliance. Additionally, water expands as it freezes. Water accumulated in a section of the ice mold forms an ice much bigger than required which in turn may damage the operational parts of the ice maker assembly as the ice mold rotates.
  • Another problem with the state of the art is that an ice piece formed inside the ice mold that is much smaller than the required size, tends to remain inside the ice mold even if the ice mold is rotated. This causes an accumulation of ice over time which may cause the formation of one big ice chunk completely covering the upper surface of the ice mold. This situation is especially dangerous as it will cause the water to accumulate inside the ice maker assembly in the form of an ice block which in turn will damage the ice maker assembly.
  • a prior art publication in the technical field of the present invention may be referred to as US2014165602A1 among others, the document disclosing a cooling appliance having an ice maker assembly wherein the ice mold is rotatably placed onto the ice maker assembly.
  • a prior art publication in the technical field of the present invention may be referred to as US2014165643A1 among others, the document disclosing a cooling appliance having an ice maker assembly wherein the ice mold is rotatably placed onto the ice maker assembly.
  • a prior art publication in the technical field of the present invention may be referred to as US2015362242A1 among others, the document disclosing a cooling appliance having an ice maker assembly wherein the rotation of the ice mold is limited by means of a plurality of stoppers.
  • a prior art publication in the technical field of the present invention may be referred to as WO2018041525A1 among others, the document disclosing a cooling appliance having an ice maker assembly.
  • WO 2015/015822 A1 shows that an ice tray can be tilted with respect to a rotary drive shaft.
  • An objective of the present invention is to provide an ice maker assembly having an ice mold into which the water is equally distributed.
  • Another objective of the present invention is to provide an ice maker assembly that is able to produce ice pieces having substantially the same volume and size.
  • Another objective of the present invention is to provide an ice maker assembly wherein the water leakage and formation of large ice chunks is prevented.
  • the present invention disclosed in the first claim and the dependent claims comprises a cooling appliance.
  • the cooling appliance comprises an ice maker assembly.
  • the ice maker assembly comprises a frame and an ice mold rotatably placed onto the frame and therefore onto the ice maker assembly.
  • the ice mold includes plurality of cavities wherein the water to be frozen is filled.
  • the ice mold is free to rotate with respect to an axis (I) passing along the length of the ice mold.
  • An agitation means is provided on the ice maker assembly and is configured to force the ice mold to rotate upon being activated.
  • the cooling appliance further comprises a control unit wherein the control unit activates a water pump to direct a certain amount of water into the ice mold.
  • a water outlet is provided above the ice mold and is in fluid communication with a water storage or water main.
  • the control unit Upon being activation of the pump by the control unit, the water exits from the water outlet and fills into the ice mold. The amount of water is measured and controlled to prevent water overflows.
  • the water is introduced into the ice mold.
  • the control unit activates the agitation means and rotates the ice mold with respect to the axis (I), thereby releasing ice pieces.
  • the ice pieces are then stored in the container provided underneath the ice mold. Afterwards, fresh water to be frozen is introduced into the ice mold.
  • the control unit activates the agitation means by a predetermined angle, which in turn will distribute water equally inside the cavities of the ice mold.
  • the said angle is significantly smaller than the angle formed by rotation of the ice mold to release ice pieces.
  • the agitation means rotates the ice mold towards a first direction and then to a second direction opposite to the first direction. By means of this, water is distributed equally among the cavities.
  • the agitation means rotates the ice mold sequentially towards the first direction and then to the second direction more than once. By means of which, the water is distributed even better. As a result, ice pieces having the same shape and volume are obtained.
  • the ice mold comprises a first support and a second support that are used to place the ice mold onto the ice maker assembly in a rotatably manner.
  • the said supports extend away from the ice mold along the axis.
  • Said supports are placed into respective recesses provided on the ice maker assembly.
  • Said recesses comprises a wedge shaped bottom onto which the supports are placed.
  • the ice mold comprises plurality of walls that are used to divide the inner volume of the ice mold into the cavities.
  • the wall comprises a crevice provided on an upper side of the wall to facilitate the passage of water between the adjacent cavities as the ice mold is rotated and tilted.
  • the crevice is coated with a hydrophobic material.
  • the hydrophobic material facilitates the passage of water between the adjacent cavities.
  • the hydrophobic material also decreases the capillary effect caused by the narrowness of the crevices.
  • the rotation angle of the ice mold caused by the activation of the agitation means in order to distribute water between adjacent cavities is between 1 and 20 degrees. In a preferred embodiment, the said angle is is between 1 and 15 degrees. In a further preferred embodiment, the said angle is is between 1 and 10 degrees. In a further preferred embodiment, the said angle is is between 4 and 7 degrees
  • the ice maker assembly divides the water among the cavities provided on the ice mold. This helps production of ice pieces having similar size and volume. Another advantageous effect is that the inner volume of the ice mold is utilized efficiently which in turn increases the amount of ice produced in a single ice making cycle.
  • the present invention relates to a cooling appliance comprising; an ice maker assembly (1); the ice maker assembly (1) comprising; an ice mold (2) placed into the ice maker assembly (1) comprising a plurality of cavities (3) into where the water to be frozen is filled, wherein the ice mold (2) is configured to be rotated around an axis (I) extending along the length ice mold (2), an agitation means (4) configured to rotate the ice mold (2) upon activation, a control unit configured to activate a water pump to direct the water into the cavities (3).
  • the present invention further comprises the control unit that is further configured to activate the agitation means (4) so as to rotate the ice mold (2) in a first direction and a second direction opposite to the first direction by a predetermined angle after a predetermined time of activation of the water pump such that the water is distributed among the cavities (3).
  • the control unit is configured to activate the agitation means (4) sequentially such that the ice mold (2) rotates in a first direction and in a second direction. As the ice mold (2) rotates back and forth, the water is distributed among the cavities (3) inside the ice mold (2). By means of this, water is distributed among the cavities (3) equally.
  • the ice mold (2) comprises a first support (5) and a second support (6) extending along the axis (I) via which the ice mold (2) is rotatable placed into the ice maker assembly (1) and wherein the first support (5) is configured move up and the second support (6) is configured move down relative to the ice maker assembly (1) upon rotation of the ice mold (2) in the first direction and wherein the first support (5) is configured move down and the second support (6) is configured move up relative to the ice maker assembly (1) upon rotation of the ice mold (2) in the second direction opposite to the first direction.
  • the ice mold (2) is seated onto the ice maker assembly (1) by means of the first support (5) and the second support (6).
  • the said supports (5,6) rotatably support the ice mold (2) on the ice maker assembly (1).
  • the shape of the said supports (6,7) are configured such that, the first support (5) is configured move up and the second support (6) is configured move down if the agitation means (4) is activated to rotate the ice mold (2) towards the first direction.
  • the first support (5) is configured move down and the second support (6) is configured move up if the agitation means (4) is activated to rotate the ice mold (2) towards the first direction.
  • the ice mold (2) is tilted with respect to the axis (I), which in turn ensures that the cavities (3) close to the corners of the ice mold (2) are also filled with water efficiently.
  • cavities (3) are filled equally, thereby increasing the quality of the ice pieces produced.
  • Another advantageous effect is that the inner volume of the ice mold (2) is utilized efficiently, increasing ice output of the ice maker assembly (1).
  • the supports (5,6) are seated into recesses provided on the ice maker assembly (1).
  • the bottom of the said recesses is inclined which helps the upward and downward movement of the ice mold (2) as it is forced to rotate toward the first direction and the second direction.
  • the adjacent cavities (3) are separated by a wall (7) and that the wall comprises a crevice (8) on an upper side of the wall (7) facilitating the passage of water between adjacent cavities (3).
  • the crevices (8) By means of the crevices (8), the water is distributed among the cavities (3) easily.
  • the crevice (8) is coated with a hydrophobic material.
  • the crevices (8) are coated with a hydrophobic material which minimizes the capillary effect. As a result, the water is distributed among the cavities (3) equally.
  • the predetermined angle is between 1 and 20 degrees.
  • the predetermined angle is between 1 and 15 degrees.
  • the predetermined angle is between 1 and 10 degrees.
  • the predetermined angle is between 4 and 7 degrees.
  • An advantageous effect provided by means of the invention is that the ice pieces formed inside the ice mold (2) is substantially the same size which in turn increases quality perception of the cooling appliance.
  • Another advantageous effect provided by means of the invention is that the water is distributed equally between the cavities (3), thereby volumetric ice production capacity of the ice mold (2) is utilized to the maximum.
  • Another advantageous effect provided by means of the invention is that the formation of small ice pieces due to the limited amount of water inside a cavity (3) is prevented. This prevents the sticking of small ice pieces inside the cavities (3) as the ice mold (2) is rotated to release ice pieces. As a result of this, water overflows are prevented.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Claims (4)

  1. Ein Kühlgerät umfassend:
    eine Eismaschinenanordnung (1); wobei die Eismaschinenanordnung (1) umfasst:
    eine Eisform (2), die in der Eismaschinenanordnung (1) angeordnet ist, wobei die Eisform (2) eine Vielzahl von Hohlräumen (3) aufweist, in die das zu gefrierende Wasser eingefüllt wird, wobei die Eisform (2) so konfiguriert ist, dass sie um eine Achse (1) gedreht wird, die sich entlang der Länge der Eisform (2) erstreckt, und die Eisform (2) eine erste Halterung (5) und eine zweite Halterung (6) aufweist, die sich entlang der Achse (I) erstrecken, über die die Eisform (2) drehbar in der Eismaschinenanordnung (1) angeordnet ist,
    ein Rührmittel (4), das so konfiguriert ist, dass es die Eisform (2) bei Aktivierung dreht, und
    eine Steuereinheit, die so konfiguriert ist, dass sie eine Wasserpumpe aktiviert, um das Wasser in die Hohlräume (3) zu leiten, und die Rührmittel (4) aktiviert, um die Eisform (2) nach einer vorbestimmten Zeit der Aktivierung der Wasserpumpe in einer ersten Richtung und einer zweiten Richtung, die der ersten Richtung entgegengesetzt ist, um einen vorbestimmten Winkel zu drehen, so dass das Wasser unter den Hohlräumen (3) verteilt wird, dadurch gekennzeichnet, dass
    die erste Halterung (5) und die zweite Halterung (6) in entsprechenden Aussparungen angeordnet sind, die an der Eismaschinenanordnung (1) vorgesehen sind, wobei die Aussparungen einen keilförmigen Boden aufweisen, auf dem die Halterungen (5, 6) so angeordnet sind, dass die erste Halterung (5) so konfiguriert ist, dass sie sich nach oben bewegt und die zweite Halterung (6) so konfiguriert ist, dass sie sich nach unten relativ zu der Eismaschinenanordnung (1) bewegt, wenn die Eisform (2) in der ersten Richtung gedreht wird, und die erste Halterung (5) so konfiguriert ist, dass sie sich nach unten bewegt und die zweite Halterung (6) so konfiguriert ist, dass sie sich nach oben relativ zu der Eismaschinenanordnung (1) bewegt, wenn die Eisform (2) in der zweiten Richtung entgegengesetzt zu der ersten Richtung gedreht wird.
  2. Ein Kühlgerät, wie in Anspruch 1 aufgeführt, dadurch gekennzeichnet, dass die benachbarten Hohlräume (3) durch eine Wand (7) getrennt sind und dass die Wand einen Spalt (8) auf einer Oberseite der Wand (7) aufweist, der den Durchgang von Wasser zwischen benachbarten Hohlräumen (3) erleichtert.
  3. Ein Kühlgerät, wie in Anspruch 2 aufgeführt, dadurch gekennzeichnet, dass der Spalt (8) mit einem hydrophoben Material beschichtet ist.
  4. Ein Kühlgerät, wie in einem der vorstehenden Ansprüche aufgeführt, dadurch gekennzeichnet, dass der vorbestimmte Winkel zwischen 1 und 20 Grad beträgt.
EP21217711.7A 2021-01-11 2021-12-24 Kühlgerät mit einer eisbereiter-montage Active EP4027079B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR202100350 2021-01-11

Publications (2)

Publication Number Publication Date
EP4027079A1 EP4027079A1 (de) 2022-07-13
EP4027079B1 true EP4027079B1 (de) 2023-09-06

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4596867B2 (ja) * 2004-09-10 2010-12-15 日立アプライアンス株式会社 冷蔵庫
DE102005003236A1 (de) * 2005-01-24 2006-07-27 BSH Bosch und Siemens Hausgeräte GmbH Eisbereiter, Tablett dafür und Verfahren zur Eisherstellung
JP4224573B2 (ja) * 2006-04-04 2009-02-18 日本電産サーボ株式会社 自動製氷装置
US20140165602A1 (en) 2012-12-13 2014-06-19 Whirlpool Corporation Clear ice maker and method for forming clear ice
US9310115B2 (en) 2012-12-13 2016-04-12 Whirlpool Corporation Layering of low thermal conductive material on metal tray
DE102012223631A1 (de) 2012-12-18 2014-06-18 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem Eisbereiter mit Doppel-Anschlägen
JP2015031429A (ja) * 2013-08-01 2015-02-16 シャープ株式会社 製氷装置付冷蔵庫
US10260789B2 (en) * 2016-04-13 2019-04-16 Whirlpool Corporation Ice making assembly with twist ice tray and directional cooling
TR201612414A2 (tr) 2016-09-02 2018-03-21 Arcelik As Buz yapma üni̇tesi̇ne sahi̇p bi̇r buzdolabi

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