EP3577398B1 - Apparatus for making clear ice - Google Patents

Apparatus for making clear ice Download PDF

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Publication number
EP3577398B1
EP3577398B1 EP18702196.9A EP18702196A EP3577398B1 EP 3577398 B1 EP3577398 B1 EP 3577398B1 EP 18702196 A EP18702196 A EP 18702196A EP 3577398 B1 EP3577398 B1 EP 3577398B1
Authority
EP
European Patent Office
Prior art keywords
opening
making apparatus
ice making
float
channel
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
EP18702196.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3577398A1 (en
Inventor
Mert PATKAVAK
Levent Akdag
Tolga Nurettin AYNUR
Mert Can TASKIN
Sevda SIMSEK
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
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 Arcelik AS filed Critical Arcelik AS
Priority to PL18702196T priority Critical patent/PL3577398T3/pl
Publication of EP3577398A1 publication Critical patent/EP3577398A1/en
Application granted granted Critical
Publication of EP3577398B1 publication Critical patent/EP3577398B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25C1/18—Producing ice of a particular transparency or translucency, e.g. by injecting air
    • 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
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for 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
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/25—Filling devices for 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to an ice making apparatus that makes clear ice.
  • Some coolers are provided with molds to be placed in the freezer compartment maintained at subzero temperatures, in which water to be frozen is filled. Said molds can be laid freely on the shelves provided inside the freezer chamber or on the doors, as well as placed in specific inlets particularly formed inside the freezer compartment. Since the freezer molds placed on shelves and the freezer molds placed in special inlets lack insulation, liquids freeze rapidly and elements in liquids disturbing purity such as minerals, air bubble, dust particle and chlorine in water, decrease the clarity of ice after freezing. In the state of the art, certain methods are used to increase the clarity of ice. These are, slow freezing of water, freezing of flowing water by means of contact to a cold surface, freezing by means of vibration and freezing by nitrification.
  • Slow freezing of water being a method used in obtaining clear ice, is based on removal of foreign particles causing a cloudy view in ice after freezing by way of diffusion, during freezing direction by decreasing the freezing speed through utilized insulation materials.
  • non-clear ice releases the air bubbles entrapped within and thus leads to a decrease in view and taste quality of the drink, and consequently causes user discontent and a perception of low quality.
  • the aim of the present invention is to communicate the user that the ice is ready in clear ice making apparatuses.
  • the ice making apparatus provided to achieve the aim of the present invention and disclosed in claim 1 and the dependent claims thereof, comprises a lower body and an upper body enabling access within the ice making apparatus.
  • Water filled in the ice making apparatus slowly loses heat when placed in subzero chambers of the cooler thanks to the lower insulating piece and upper insulating piece provided in the lower body and the upper body, thus performing a slow freezing process so as to obtain clear ice.
  • An ice mold is placed in the space between the lower insulation and the upper insulation so as to almost entirely fill said space.
  • the ice mold forms within at least one ice cell, and each of said ice cells are connected to the outer environment via the filler openings provided above the ice cells.
  • the ice mold being filled by means of the filler openings is also in liquid communication with the cut-out provided inside the lower insulation below the ice mold, by means of the discharge openings provided on the lower surface of the ice mold.
  • said cut-out is in liquid communication with the outer environment when the ice making apparatus is being used, and in air communication when it is empty.
  • the channel opens to the cut-out via a first opening and to the outer environment via a second opening, and is being filled with water when the ice making apparatus is filled.
  • the volume of water increases, and the increasing volume generates an internal strain on the ice making apparatus because freezing process advances from top to bottom of the ice cell and makes it difficult to open the ice making apparatus.
  • the strain generated on the ice making apparatus due to the increase in volume is reduced thanks to the channel.
  • the channel is "L" shaped.
  • the portion connecting to the cut-out via the first opening is the lower extension of the "L”, and the channel extends upwards along its vertical portion and opens to the outer environment via the second opening.
  • the "L" shape of the channel facilitates production.
  • a float is provided in the channel. Said float moves inside the channel by buoyancy of water, is conveyed to the upper portion of the channel by the volume increase resulting from freezing of water, and exits from the second opening so as to inform the user that the ice is ready. By this, the user is prevented from opening the ice making apparatus before due time.
  • the diameter of the second opening is narrower than the horizontal cross-section of the float so as to prevent the float from being removed from the second opening by completely passing through. By this, the float is prevented from getting lost by being removed from the second opening upon freezing of water.
  • the elevation of the second opening with respect to the horizontal plane is higher than the filler opening.
  • the elevation in the channel of water being filled in the ice making apparatus up to a predetermined level is below the second opening.
  • the density of ice decreases and its volume increases.
  • the increased volume leads to the channel and conveys the float towards the second opening. Thanks to such difference in elevation, the amount of water overflowing through the second opening is minimized and ice being formed by water pouring on the cooler ground, is avoided.
  • a cavity is provided on the upper body, enabling the user to see inside the channel.
  • the float may be unable to reach the second opening to alert the user as a result of the user filling the ice making apparatus with water below a predetermined level.
  • the user is able to see the position of the float inside the channel and is able to perceive whether water is already frozen.
  • the channel has a tubular structure made of transparent material.
  • the user When visual access into the channel is required, the user is able to monitor the float through the cavity and is able to perceive whether water is frozen thanks to the transparent material.
  • the channel made of material of transparent structure also protects water against freezing in regions with reduced insulation, thanks to the cavity.
  • the channel made of transparent material extends out of the second opening and covers the second opening with a dome-shape. By this, the water in the channel is prevented from being frozen.
  • the float has a geometrical structure shaped as an inverse "T".
  • T The volume increased by freezing, conveys the float within the channel towards the second opening.
  • the float easily moving in the channel with a wider diameter than the second opening, settles in the second opening thanks to its shape and the user thus conveniently sees whether the ice is ready.
  • the float has a conical structure.
  • the volume increased by freezing conveys the float within the channel towards the second opening.
  • the conical float easily moving in the channel with a wider diameter than the second opening, settles in the second opening upon freezing of water and the user thus conveniently sees whether the ice is ready.
  • a spring is placed in the channel so as to stay between the second opening and the float. An end of the float gets out of the second opening upon freezing of water, informing the user that freezing is completed.
  • the spring is used to prevent the float from being frozen and adhering to the second opening during the user taking ice from the ice making apparatus and placing the apparatus into the cooler upon refilling. Said spring separates the float from the second opening and pushes it into the channel, thereby making it ready for the next use.
  • the advantage of the invention lies in that the user is informed by the ice making apparatus about completion of freezing and consequently avoiding the ice making apparatus from being opened before due time by the user.
  • the ice making apparatus (1) comprises,
  • the ice making apparatus (1) comprises a channel (12) enabling liquid to pass through, with one end opening to the cut-out (9) via a first opening (10), and the other end opening to the upper surface of the upper body (2) via a second opening (11).
  • the outer appearance of the ice making apparatus (1) is formed by placing the lower body (2) and the upper body (3) on top of each other.
  • the lower insulating part (4) placed in the lower body (2), and the upper insulating part (5) placed in the upper body (3), provide insulation between the outer environment and the inner environment of the ice making apparatus (1) when the ice making apparatus (1) is filled with water.
  • the volume between the lower insulating part (4) and the upper insulating part (5) enable water to be filled into the ice making apparatus through a filler opening (6) provided on the upper portion of said volume, and thus form the ice mold (8) enabling ice to form between said two parts.
  • a cut-out (9) is provided under the ice mold (8), connected to the ice mold (8) by means of the discharge opening (7) so as to enable liquid to flow.
  • Said cut-out (9) is the volume to which the materials within the water disturbing the purity of the same, are transferred by diffusion during freezing.
  • a channel (12) is provided, with one end opening to the cut-out (9) via a first opening (10), and the other end opening to the outer environment via a second opening (11), connecting the cut-out (9) to the outer environment in water communication when the ice making apparatus (1) is full, and in air communication when it is empty.
  • the density of water filled in the ice making apparatus (1) decreases and thereby increasing its volume.
  • the ice making apparatus (1) comprises an "L" shaped channel (12).
  • the lower end of the “L” shaped channel (12) opens to the cut-out (9) via the first opening (10), and the channel (12) opens to the outer environment via the second opening (11) which is its upper end.
  • the channel (12) is in equal distance inside the lower body (2) and the upper body (3), and to the outer environment of the ice making apparatus (1) thanks to the channel (12) extending vertically, enabling the water within not to freeze.
  • the volume increase caused by freezing can be transferred out of the ice making apparatus (1) via the channel (12), preventing the ice making apparatus (1) from being damaged during freezing of water.
  • production is facilitated thanks to the "L" shaped channel (12), improving production costs.
  • the ice making apparatus (1) comprises a float (13) movable within the channel (12).
  • the float (13) is made of a material with a specific weight lower than water.
  • the second opening (11) has an horizontal cross-section smaller than the horizontal cross-section of the float (13).
  • the float (13) gets out of the second opening (11), informing the user that the ice is ready. Thanks to the float (13) having a horizontal cross-section smaller than that of the second opening (11), the float (13) is prevented from completely exiting the second opening (11) and from getting lost, thereby improving spare part expenses.
  • the ice making apparatus (1) comprises the channel (12) whose second opening (11) is on a higher elevation than the filler opening (6) on the horizontal plane.
  • the ice making apparatus (1) comprises a cut-out shaped cavity (14) provided on the upper body (3), enabling visual access into the channel (12).
  • the user is enabled to check the position of the float (13) even if he/she fills the ice making apparatus (1) below the predetermined level, and to perceive whether water is already frozen.
  • the channel (12) is made of transparent material.
  • the user is enabled to see through the cavity (14) the float (13) moving in the channel (12), thanks to the channel (12) being made of transparent material.
  • the float (13) has a geometrical structure shaped as an inverse "T". By this; upon freezing, the lower extension of the "T" shape gets out of the second opening (11), informing the user that the ice is ready, thereby providing ease of use.
  • the ice making apparatus (1) comprises the float (13) with a conical structure. By this; upon freezing, the end of the cone gets out of the second opening (11), informing the user that the ice is ready, thereby providing ease of use.
  • the ice making apparatus (1) comprises a spring (15) placed in the second opening (11) so as to extend into the channel (12), into which the float (13) is introduced.
  • the float (13) is pushed back into the channel (12) after the user takes the ice from the ice making apparatus (1), thereby preventing the user from opening the ice making apparatus (1) before due time and providing ease of use.
  • the aim of the present invention is to provide an ice making apparatus (1) to be used in coolers, into which water to be frozen is filled, making clear ice by slow freezing of water, and informing the user that water is frozen.

Landscapes

  • 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)
EP18702196.9A 2017-02-03 2018-01-25 Apparatus for making clear ice Active EP3577398B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18702196T PL3577398T3 (pl) 2017-02-03 2018-01-25 Urządzenie do wytwarzania przezroczystego lodu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2017/01658A TR201701658A2 (tr) 2017-02-03 2017-02-03 Saydam buz yapma aparati i̇çeren bi̇r soğutucu
PCT/EP2018/051807 WO2018141617A1 (en) 2017-02-03 2018-01-25 A cooler comprising an apparatus for making clear ice

Publications (2)

Publication Number Publication Date
EP3577398A1 EP3577398A1 (en) 2019-12-11
EP3577398B1 true EP3577398B1 (en) 2022-03-09

Family

ID=61094480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18702196.9A Active EP3577398B1 (en) 2017-02-03 2018-01-25 Apparatus for making clear ice

Country Status (4)

Country Link
EP (1) EP3577398B1 (pl)
PL (1) PL3577398T3 (pl)
TR (1) TR201701658A2 (pl)
WO (1) WO2018141617A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928549B (zh) * 2020-08-25 2022-05-06 江苏心源航空科技有限公司 一种可控密度冰雹的制备方法以及用于制作冰雹的挤压装置
KR20230132176A (ko) * 2022-03-08 2023-09-15 엘지전자 주식회사 제빙 장치 및 냉장고
KR20230132171A (ko) * 2022-03-08 2023-09-15 엘지전자 주식회사 제빙 장치 및 냉장고

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542892A (en) * 1947-10-01 1951-02-20 Icecrafter Trust Machine for manufacturing ice
JPS6360861U (pl) * 1986-10-07 1988-04-22
US4910974A (en) * 1988-01-29 1990-03-27 Hoshizaki Electric Company Limited Automatic ice making machine
JPH11190575A (ja) * 1997-12-25 1999-07-13 Yoriyuki Oguri 製氷器
KR102023412B1 (ko) * 2012-06-12 2019-09-20 엘지전자 주식회사 냉장고
US9074802B2 (en) 2012-12-13 2015-07-07 Whirlpool Corporation Clear ice hybrid mold
US9784492B2 (en) 2013-07-23 2017-10-10 Wintersmiths, Llc Device and method for producing clear ice spheres

Also Published As

Publication number Publication date
PL3577398T3 (pl) 2022-06-20
TR201701658A2 (tr) 2018-08-27
WO2018141617A1 (en) 2018-08-09
EP3577398A1 (en) 2019-12-11

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