EP3485208B1 - Machine for producing ice - Google Patents

Machine for producing ice Download PDF

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Publication number
EP3485208B1
EP3485208B1 EP17749530.6A EP17749530A EP3485208B1 EP 3485208 B1 EP3485208 B1 EP 3485208B1 EP 17749530 A EP17749530 A EP 17749530A EP 3485208 B1 EP3485208 B1 EP 3485208B1
Authority
EP
European Patent Office
Prior art keywords
shapers
ice
machine
mould
previous
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
EP17749530.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3485208A1 (en
Inventor
Guido Romagnoli
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.)
Scotsman Ice SRL
Original Assignee
Scotsman Ice SRL
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Filing date
Publication date
Application filed by Scotsman Ice SRL filed Critical Scotsman Ice SRL
Publication of EP3485208A1 publication Critical patent/EP3485208A1/en
Application granted granted Critical
Publication of EP3485208B1 publication Critical patent/EP3485208B1/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
    • F25C5/00—Working or handling ice
    • F25C5/02—Apparatus for disintegrating, removing or harvesting ice
    • F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
    • F25C5/08—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice
    • F25C5/10—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice using hot refrigerant; using fluid heated by refrigerant
    • 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
    • F25C1/04—Producing ice by using stationary moulds
    • F25C1/045—Producing ice by using stationary moulds with the open end pointing downwards

Definitions

  • the present invention relates to a machine for producing ice, in particular but not exclusively usable in commercial stores such as bars and ice-cream parlours.
  • Such machines generally have a frame to which a mould that has a support plate carrying a plurality of shapers for the ice and a spraying device facing towards the plate so as to spray water to the shapers are associated with.
  • the mould is usually associated with a freezing/defrosting coil with which therefore it forms an evaporator.
  • the mould may be placed in a raised position with respect to the spraying device with the openings of the shapers facing downwards. In this way, when the spraying device sprays water in the shapers, coolant is made to flow into the coil which evaporates, thus subtracting heat to the water in the shapers which freezes as a result.
  • heating fluid is made to flow into the coils which melts the ice just as much as to make it free to drop by gravity into a collection tank.
  • the ice blocks do not fall all at the same time, since the heat emitted by the coil is not immediately distributed evenly along the whole extension thereof.
  • the coil is affected by a thermal transient of non-negligible duration that makes the ice blocks closer to the inlet portion of the coil melt faster and thus fall before those farthest from such an inlet portion.
  • the coil emits substantially along the whole extension thereof heat sufficient for the partial melting of the ice. At each thermal inversion, therefore, the demand for energy to cool or heat the coil is very high, thus involving high costs.
  • the object of the present invention is to overcome the drawbacks mentioned above and in particular to devise a machine for producing ice that can ensure the production of ice blocks having substantially the same shape and size, requiring lower energy consumption than the machines currently known.
  • Such a machine for producing ice 10 comprises a frame 11 with which a mould 20 and a spraying device 13 are associated.
  • Mould 20 has a plurality of shapers 15 for forming ice blocks.
  • Shapers 15 may be of any shape and size and are preferably equal to each other.
  • mould 20 may be made with a first support plate 12 having a plurality of through openings, each associated with a respective shaper 15.
  • shapers 15 and the first support plate 12 may be made as separate bodies and then subsequently coupled by, for example, welding or even a detachable joint coupling, or they may be made as a single piece.
  • mould 20 is made with a plurality of metallic separating sheets 19 arranged on and welded to a second support plate 21, preferably flat and metallic, so as to make an ice cube tray.
  • ice cube tray means a plurality of shapers of any shape.
  • the spraying device 13 is configured to spray water towards mould 20 so that water penetrates into shapers 15.
  • the spraying device 13 comprises one or more spraying nozzles 16 fed with water coming from a tank (not shown).
  • the spraying device 13 comprises a plurality of spraying nozzles 16 facing the openings of shapers 15.
  • mould 20 is associated with a cooling/heating device 14 configured for cooling the water in shapers 15 up to form the ice and then heat the formed ice so that it can be free to exit from the same shapers.
  • Such a cooling/heating device 14 preferably comprises a coil heat exchanger 14 coupled to shapers 15.
  • said coil heat exchanger 14 may be coupled to shapers 15 directly by means, for example, of welding, or indirectly by means of supports constrained to the shapers.
  • coolant fluid is made to flow to promote the freezing of water in shapers 15 and then heating fluid is made to flow to melt the ice blocks that have previously formed in shapers 15, making them free to exit from the same shapers.
  • heating fluid is made to flow to melt the ice blocks that have previously formed in shapers 15, making them free to exit from the same shapers.
  • a same fluid acts in subsequent moments as coolant and as heating fluid.
  • mould 20 is designed in such a way that the ice can exit from shapers 15 by falling by gravity.
  • Mould 20, therefore, may be arranged parallel or orthogonal or inclined, with respect to the base of machine 10 with the openings of shapers 15 facing the base of the machine 10 itself.
  • base of the machine it is meant a substantially horizontal surface from which the frame 11 of the machine 10 develops.
  • shapers have inclined walls with respect to the support plates so as to obtain an aid for the sliding of the blocks of ice.
  • mould 20 is inclined with respect to the base of machine 10 and placed in a raised position with respect to the spraying device 13, whose spraying nozzles 16 spray water upwards and thus towards the openings of shapers 15.
  • each shaper 15 is connected to at least one shaper 15 adjacent thereto by at least one connection channel 17 open on the same side towards which the openings of shapers 15 face.
  • each connection channel 17 is made at the openings of adjacent shapers as a recess with respect to the surface of the first support plate 12 opposite that from which shapers 15 extend.
  • each connection channel 17 is made at the openings of the adjacent shapers as a recess of the free end of a corresponding separation sheet.
  • Shapers 15 may be arranged according to any scheme, for example in a matrix arrangement In figure 5 , in particular, shapers 15 are connected in rows in succession with one another.
  • each shaper 15 is connected to the adjacent shapers, thus forming a matrix arrangement.
  • the matrix arrangement has a square or more in general, quadrangular mesh; in figure 7 , the matrix arrangement has a triangular mesh.
  • connection channel 17 is preferably sized so that the ice bridge formed therein by cooling mould 20 is sufficiently sturdy to allow this entrainment between the connected blocks and at the same time sufficiently fragile to break when the blocks fall into the collection container.
  • shapers 15 for making ice consist of a metal material, for example of a tinned copper.
  • connection channel 17 a metallic bridge element 18 is engaged.
  • the metallic bridge element 18 may also consist preferably of tinned copper.
  • the metallic bridge element 18 extends along the connection channel 17 and has two opposite ends that come into contact each with a respective shaper 15.
  • connection channel 17 already has metallic walls.
  • the ice bridges that are created between the blocks form not only a mechanical connection between the ice blocks, but also a thermal connection.
  • the metallic bridge elements 18 transmit heat between adjacent shapers faster than what the cooling/heating device can do. This makes the ice blocks formed into connected shapers 15 fall almost all together without requiring the full heating of the coil heat exchanger.
  • the machine for producing ice according to the present invention requires lower energy consumption than the currently known machines adapted to produce ice blocks of substantially the same shape and size.
EP17749530.6A 2016-07-12 2017-07-11 Machine for producing ice Active EP3485208B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102016000072581A IT201600072581A1 (it) 2016-07-12 2016-07-12 Macchina per la produzione di ghiaccio.
PCT/IB2017/054177 WO2018011711A1 (en) 2016-07-12 2017-07-11 Machine for producing ice

Publications (2)

Publication Number Publication Date
EP3485208A1 EP3485208A1 (en) 2019-05-22
EP3485208B1 true EP3485208B1 (en) 2020-05-13

Family

ID=57737823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17749530.6A Active EP3485208B1 (en) 2016-07-12 2017-07-11 Machine for producing ice

Country Status (6)

Country Link
EP (1) EP3485208B1 (it)
CN (1) CN109416210B (it)
DK (1) DK3485208T3 (it)
ES (1) ES2810926T3 (it)
IT (1) IT201600072581A1 (it)
WO (1) WO2018011711A1 (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10107538B2 (en) 2012-09-10 2018-10-23 Hoshizaki America, Inc. Ice cube evaporator plate assembly
US11255588B2 (en) 2018-08-03 2022-02-22 Hoshizaki America, Inc. Ultrasonic bin control in an ice machine
US11802727B2 (en) 2020-01-18 2023-10-31 True Manufacturing Co., Inc. Ice maker
US11391500B2 (en) 2020-01-18 2022-07-19 True Manufacturing Co., Inc. Ice maker
US11656017B2 (en) 2020-01-18 2023-05-23 True Manufacturing Co., Inc. Ice maker
US11255589B2 (en) 2020-01-18 2022-02-22 True Manufacturing Co., Inc. Ice maker
US11578905B2 (en) 2020-01-18 2023-02-14 True Manufacturing Co., Inc. Ice maker, ice dispensing assembly, and method of deploying ice maker
US11602059B2 (en) 2020-01-18 2023-03-07 True Manufacturing Co., Inc. Refrigeration appliance with detachable electronics module
US11913699B2 (en) 2020-01-18 2024-02-27 True Manufacturing Co., Inc. Ice maker
US11519652B2 (en) 2020-03-18 2022-12-06 True Manufacturing Co., Inc. Ice maker
US11674731B2 (en) 2021-01-13 2023-06-13 True Manufacturing Co., Inc. Ice maker
US11686519B2 (en) 2021-07-19 2023-06-27 True Manufacturing Co., Inc. Ice maker with pulsed fill routine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58110776U (ja) * 1982-01-20 1983-07-28 星崎電機株式会社 製氷機における製氷室
DE19538026A1 (de) * 1995-10-12 1997-04-17 Josef Hobelsberger Vorrichtung zur Erzeugung von Eisstücken
AU2003227871A1 (en) * 2002-04-23 2003-11-10 Stephen Earl Berrow Ice-making machine
JP3852607B2 (ja) * 2003-03-24 2006-12-06 三菱電機株式会社 製氷装置、冷凍冷蔵庫、製氷方法
JP2004325064A (ja) * 2003-04-11 2004-11-18 Hoshizaki Electric Co Ltd 製氷機の製氷機構
BR0303842B1 (pt) * 2003-09-16 2013-12-17 Sistema de abastecimento de formas de gelo em aparelhos de refrigeração
JP2006078096A (ja) * 2004-09-10 2006-03-23 Hitachi Home & Life Solutions Inc 冷蔵庫
JP2008224201A (ja) * 2007-03-09 2008-09-25 Yoshikazu Inohara 自動製氷機のアルミ合金製製氷ユニット
EP2216613A1 (en) * 2009-02-09 2010-08-11 Dometic Sweden AB Ice maker and method of producing pieces of ice
WO2015082140A1 (en) * 2013-12-05 2015-06-11 Arcelik Anonim Sirketi A refrigerator wherein ice is obtained quickly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3485208A1 (en) 2019-05-22
WO2018011711A1 (en) 2018-01-18
ES2810926T3 (es) 2021-03-09
CN109416210B (zh) 2021-07-16
IT201600072581A1 (it) 2018-01-12
CN109416210A (zh) 2019-03-01
DK3485208T3 (da) 2020-07-27

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