EP0333887B1 - Vorrichtung zum Herstellen von klaren Kleineiskörpern - Google Patents

Vorrichtung zum Herstellen von klaren Kleineiskörpern Download PDF

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Publication number
EP0333887B1
EP0333887B1 EP88104430A EP88104430A EP0333887B1 EP 0333887 B1 EP0333887 B1 EP 0333887B1 EP 88104430 A EP88104430 A EP 88104430A EP 88104430 A EP88104430 A EP 88104430A EP 0333887 B1 EP0333887 B1 EP 0333887B1
Authority
EP
European Patent Office
Prior art keywords
cells
freezer
hot
ice
evaporator
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
EP88104430A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0333887A1 (de
Inventor
Theo Wessa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP88104430A priority Critical patent/EP0333887B1/de
Priority to ES88104430T priority patent/ES2019979B3/es
Priority to AT88104430T priority patent/ATE59099T1/de
Priority to DE8888104430T priority patent/DE3861285D1/de
Priority to PH38197A priority patent/PH25012A/en
Priority to AU30155/89A priority patent/AU613849B2/en
Priority to IN171/CAL/89A priority patent/IN171912B/en
Priority to SU894613566A priority patent/SU1718734A3/ru
Priority to MX015182A priority patent/MX170982B/es
Priority to EG12089A priority patent/EG18754A/xx
Priority to DK114389A priority patent/DK114389A/da
Priority to AR313392A priority patent/AR240363A1/es
Priority to ZA892019A priority patent/ZA892019B/xx
Priority to CA000594028A priority patent/CA1323765C/en
Priority to JP1064030A priority patent/JPH01273975A/ja
Priority to BR898901240A priority patent/BR8901240A/pt
Priority to NZ228375A priority patent/NZ228375A/xx
Priority to CN89102151A priority patent/CN1028899C/zh
Publication of EP0333887A1 publication Critical patent/EP0333887A1/de
Priority to US07/465,953 priority patent/US4966015A/en
Application granted granted Critical
Publication of EP0333887B1 publication Critical patent/EP0333887B1/de
Priority to GR91400132T priority patent/GR3001426T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25C1/045—Producing ice by using stationary moulds with the open end pointing downwards
    • 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
    • F25C2500/00—Problems to be solved
    • F25C2500/06—Spillage or flooding of water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4456—With liquid valves or liquid trap seals
    • Y10T137/4643—Liquid valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6416—With heating or cooling of the system

Definitions

  • the invention relates to a device for producing clear small ice bodies according to the preamble of claim 1, which is based on US Pat. No. 3,254,501.
  • US Pat. No. 3,654,771 describes a device in which the number of freezer cells per evaporator surface is maximum, since these are adjacent to one another without any spaces. With such a close arrangement of the freezer cells, however, an ice layer forms not only in the freezer cells, but also on the underside thereof, so that ultimately all small ice bodies bake together. In order to prevent this, the known device has a plate made of plastic, which is pressed against the freezer cells from below during the freezing cycle, so that the ice can only grow in the freezer cells.
  • the water required to form the clear ice cream bodies is sprayed into the freezer cells through a water nozzle.
  • the water that does not freeze out immediately drips back into the tub in order to get back into the pump circuit.
  • nozzles tend to become clogged with dirt and minerals in the water.
  • the plastic plate and the tub filled with the residual water are pivoted away. Since the plate is frozen on the ice bodies, a strong drive is required. The remaining water is collected and drained off. The small ice cream bodies themselves fall into a storage container.
  • US-A 3 043 117, 2 729 070, 2 722 110, 3 254 501, 3 386 258, 2 978 882 and 3 040 545, GB-A 2 013 857 and FR-A 1 571 033 show devices for Production of clear small ice bodies, the freezer cells of which are not closed during the freezing cycle. In these devices, the freezer cells are spaced apart. The resulting gaps are covered or filled with thermally insulating material. With the help of this insulating material, it is to be prevented that the ice layer forms, which cakes all of the small ice bodies together.
  • the devices of GB-A 2 013 857, US-A 3 254 501 and FR-A 1 571 033 show that this goal could not be achieved in this way.
  • the insulating material between the freezing cells is defrosted the small ice body is heated, in GB-A 2 013 857 by warm water, in FR-A 1 571 033 by hot gas and in US-A 3 254 501 by electric current.
  • US Pat. No. 3,386,258 proposes a multi-bladed propeller which rotates about a vertical axis and whose blades are slightly immersed in the tub water. The water vapor generated in this way should freeze to ice immediately on the evaporator. However, the efficiency of this device is very low. The water level in the tub must also be checked precisely.
  • U.S. Patent No. 2,729,070 instead proposes the use of disks rotating about a horizontal shaft. However, these disks transport only a little water, so that only a little water gets into the freezer cells. In addition, the spray direction cannot be controlled.
  • US Pat. No. 2,722,110 suggests molding wings on the side of the rotating disks. However, since these wings only dip a little into the tub water, only a little water is pumped, which is also mainly sprayed in the wrong direction. In addition, a control of the water level is also necessary here.
  • the present invention has for its object to provide a device of the type mentioned for the production of clear ice cream bodies, which allows the production of clear ice cream bodies with optimal efficiency and with optimal use of the evaporator surface to be enlarged with the least effort in mechanics and energy.
  • the present invention therefore does not attempt to prevent the formation of ice between the freezing cells by using thermally insulating material and by large mutual distances; instead, she suggests using heating elements and possibly thermally highly conductive metal strips at this point.
  • the distance between the walls of the freezer cells and the heating elements should be chosen so that the heat from the heating elements is not dissipated from the cold walls, but rather defrosts the ice build-up.
  • the freezer cells can thus be arranged so close to one another that just enough space remains for the defrosting grid.
  • the ice capacity of the evaporator is therefore very high.
  • the chiller of each device for the production of clear ice cream bodies provides enough hot gas to defrost the finished ice cream bodies from the freezer cells of the evaporator, it is recommended to also design the heating elements of the defrost grid as hot gas pipes, which are connected to the hot gas source compressor via a hot gas valve Chiller - are connected. This avoids any additional effort.
  • the insulating material between the freezer cells can be made of any food-safe material. Polyethylene or polyamide are particularly recommended. These materials are also easy to process.
  • the spraying device comprises at least one paddle wheel rotating about a horizontal shaft, which consists of two parallel disks and concavely curved centrifugal sheets arranged between them.
  • Such a paddle wheel is extremely robust, extremely durable and very inexpensive to manufacture.
  • the drive power required is low.
  • the concave curved centrifugal scoop conveys large amounts of water. Thanks to the combined effect of the two discs and the concave curved centrifugal scoop, the spray direction can be targeted to the freezer cells. The level of the tub water does not have to be checked.
  • the small ice bodies become perfectly clear even when the evaporator freezes, when all currently known machines only produce cloudy small ice bodies.
  • the production capacity of the device according to the invention can thereby be increased further.
  • the tub is covered by a longitudinally slotted sheet or a grid.
  • This sheet or grid prevents the small ice cream bodies from falling into the trough when defrosting.
  • the tub water can easily be sprayed into the freezer cells.
  • the sheet or grid is inclined so that the small ice cream bodies slide into the storage container due to their weight.
  • FIG. 1 and 2 show a cross section or a bottom view of an evaporator 10 for the production of clear small ice bodies 1.
  • On the back of a base plate one recognizes pipelines 11 which are flowed through by a refrigerant during the freezing process and by a hot gas during defrosting.
  • Open freezer cells 12 are formed on the underside of the base plate by a checkerboard-like arrangement of intersecting metal sheets 13.
  • the individual freezer cells 12 or their side walls 13 are at a mutual distance, which is filled by an insulating strip 14.
  • linear heating elements 15, 17 are attached exposed.
  • the heating elements in one direction are designed as hot gas pipes 15, those in the transverse direction as metal strips 17.
  • the hot gas pipes 15 are connected at the edge to a hot gas collecting pipe 18.
  • the heating elements 15, 17 form a defrost grid between the open ends of the freezer cells 12.
  • the evaporator 10 If the evaporator 10 is sprayed with water from below, it freezes in the freezer cells 12 to form clear ice bodies 1. An undesirable ice deposit forms between the individual freezer cells 12. However, the exposed defrosting grid, consisting of tubes 15 and metal strips 17, is also included Water sprayed. Since the tub water is always at a plus temperature, the defrost grid 15, 17 is also heated to a plus temperature. The ice build-up is therefore minimal.
  • FIG 3 shows a side view of an arrangement with a stationary spray device 20 in the form of rotating scoop wheels 28 which are immersed in a stationary trough 30.
  • the evaporator 10 has four rows of freezer cells 12. Splash guards 33 ensure that excess, non-frozen water is returned to the tub 30.
  • evaporator 10 is to have more than four rows of freezer cells, further spray devices 20 are arranged in the tub 30.
  • a longitudinally slotted cover plate or grid 36 is arranged above the spray device 20. Although this allows the water to freely spray upwards into the freezer cells 12, it prevents small ice bodies 1 from falling onto the spraying device 20 or into the tub 30 when defrosting, but instead guides them into a storage container under the tub 30.
  • the spray device 20 is formed by a plurality of scoop wheels 28 which are fastened on a shaft and are rotated by a drive motor.
  • the scoop wheels 28 dip into the tub water and inject it up into the freezer cells 12 of the evaporator 10 and onto the defrost grid 15, 17.
  • a scoop wheel 28 consists of two parallel sheet metal disks, between which a concavely curved centrifugal plate 28 'is fastened. This type of spraying device is extremely robust and inexpensive, requires little drive power and conveys a large amount of water into the freezer cells 12 in a wide range.
  • Fig. 4 shows a section of a basic circuit diagram of the pipes.
  • refrigerant flows into the coolant line 11 via the expansion valve 60.
  • the hot gas valve 61 is closed.
  • hot gas flows via the pipeline 18 into the parallel hot gas tubes 15, whereupon any ice deposits are first defrosted.
  • the hot gas then flows through the coolant line 11, as a result of which the evaporator 10 is heated, so that the small ice cream bodies 1 can detach from their freezer cells 12.
  • the fact is exploited that, thanks to the linear heating elements 15, 17 forming the defrosting grid between the open ends of the freezer cells 12, ice build-up causing the small ice cream bodies 1 to be caked is reliably prevented that the spray device 20 with rotating scoop wheels 28 is extremely robust, is durable and simple and that the amount of water and the width of the spray zone can be adjusted by a suitable shape of the centrifugal plates 28 '. Only one drive motor is required. The entire assembly is compact. There is no longer any need to drain the tub water after each freeze cycle; rather, cleaning the tub at larger intervals is sufficient, e.g. B. once a day. The freezing capacity can be increased. Nevertheless - as tests have shown - you get perfectly clear ice cream bodies.

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)
  • Defrosting Systems (AREA)
  • Confectionery (AREA)
EP88104430A 1988-03-19 1988-03-19 Vorrichtung zum Herstellen von klaren Kleineiskörpern Expired - Lifetime EP0333887B1 (de)

Priority Applications (20)

Application Number Priority Date Filing Date Title
EP88104430A EP0333887B1 (de) 1988-03-19 1988-03-19 Vorrichtung zum Herstellen von klaren Kleineiskörpern
ES88104430T ES2019979B3 (es) 1988-03-19 1988-03-19 Dispositivo para fabricacion de pequeños cuerpos de hielo claros
AT88104430T ATE59099T1 (de) 1988-03-19 1988-03-19 Vorrichtung zum herstellen von klaren kleineiskoerpern.
DE8888104430T DE3861285D1 (de) 1988-03-19 1988-03-19 Vorrichtung zum herstellen von klaren kleineiskoerpern.
PH38197A PH25012A (en) 1988-03-19 1989-02-15 Apparatus for the production of clear ice bodies
AU30155/89A AU613849B2 (en) 1988-03-19 1989-02-21 Apparatus for the production of small clear ice bodies
IN171/CAL/89A IN171912B (es) 1988-03-19 1989-02-28
SU894613566A SU1718734A3 (ru) 1988-03-19 1989-03-02 Устройство дл приготовлени прозрачного мелкокускового льда
EG12089A EG18754A (en) 1988-03-19 1989-03-08 Apparatus for the production of small clear ice bodies
MX015182A MX170982B (es) 1988-03-19 1989-03-08 Dispositivos para fabricar pequeños cuerpos transparentes de hielo
DK114389A DK114389A (da) 1988-03-19 1989-03-09 Apparat til fremstilling af klare smaa islegemer
AR313392A AR240363A1 (es) 1988-03-19 1989-03-10 Dispositivo para fabricar cuerpos pequenos de hielo transparente.
ZA892019A ZA892019B (en) 1988-03-19 1989-03-16 Apparatus for the production of small clear ice bodies
JP1064030A JPH01273975A (ja) 1988-03-19 1989-03-17 小さな透明氷塊の製造装置
BR898901240A BR8901240A (pt) 1988-03-19 1989-03-17 Dispositivo para a producao de pequenos corpos de gelo claros
NZ228375A NZ228375A (en) 1988-03-19 1989-03-17 Apparatus for producing ice pieces: interspaces between cells covered with insulating material
CA000594028A CA1323765C (en) 1988-03-19 1989-03-17 Apparatus for the production of small clear ice bodies
CN89102151A CN1028899C (zh) 1988-03-19 1989-03-18 用于生产小型透明冰块的装置
US07/465,953 US4966015A (en) 1988-03-19 1990-01-16 Apparatus for the production of small clear ice bodies
GR91400132T GR3001426T3 (en) 1988-03-19 1991-01-31 Device for making small translucent pieces of ice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88104430A EP0333887B1 (de) 1988-03-19 1988-03-19 Vorrichtung zum Herstellen von klaren Kleineiskörpern

Publications (2)

Publication Number Publication Date
EP0333887A1 EP0333887A1 (de) 1989-09-27
EP0333887B1 true EP0333887B1 (de) 1990-12-12

Family

ID=8198823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104430A Expired - Lifetime EP0333887B1 (de) 1988-03-19 1988-03-19 Vorrichtung zum Herstellen von klaren Kleineiskörpern

Country Status (20)

Country Link
US (1) US4966015A (es)
EP (1) EP0333887B1 (es)
JP (1) JPH01273975A (es)
CN (1) CN1028899C (es)
AR (1) AR240363A1 (es)
AT (1) ATE59099T1 (es)
AU (1) AU613849B2 (es)
BR (1) BR8901240A (es)
CA (1) CA1323765C (es)
DE (1) DE3861285D1 (es)
DK (1) DK114389A (es)
EG (1) EG18754A (es)
ES (1) ES2019979B3 (es)
GR (1) GR3001426T3 (es)
IN (1) IN171912B (es)
MX (1) MX170982B (es)
NZ (1) NZ228375A (es)
PH (1) PH25012A (es)
SU (1) SU1718734A3 (es)
ZA (1) ZA892019B (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4012249A1 (de) * 1990-04-14 1991-10-17 Gaggenau Werke Vorrichtung zur herstellung von klareisstuecken und ssteuerschaltung hierzu
US6000228A (en) * 1997-12-23 1999-12-14 Morris & Associates Clear ice and water saver cycle for ice making machines
KR19980065093A (ko) * 1998-06-25 1998-10-07 김정배 고형얼음 성형기
KR19990046449A (ko) * 1999-03-13 1999-07-05 김정배 고형얼음성형기
JP3834183B2 (ja) * 2000-04-12 2006-10-18 ホシザキ電機株式会社 オープンセルタイプ自動製氷機
JP3667593B2 (ja) * 2000-04-21 2005-07-06 ホシザキ電機株式会社 オープンセルタイプ自動製氷機
JP4598169B2 (ja) * 2001-01-31 2010-12-15 ホシザキ電機株式会社 自動製氷機
ITBO20020657A1 (it) * 2002-10-17 2004-04-18 Reale S R L Procedimento perfezionato per la realizzazione di bicchieri di ghiaccio
ITMI20022720A1 (it) * 2002-12-20 2004-06-21 Emanuele Lanzani Macchina per la fabbricazione di ghiaccio in cubetti
KR20100092168A (ko) * 2009-02-12 2010-08-20 삼성전자주식회사 제빙장치 및 이를 포함하는 냉장고
KR101239325B1 (ko) * 2011-03-30 2013-03-05 정휘동 냉수 저장 유닛, 및 이를 구비한 얼음 정수기 및 얼음 냉온수기
KR101281591B1 (ko) * 2011-08-25 2013-07-03 정휘동 얼음 저장고의 물 유입 방지 구조
CN104261091B (zh) * 2014-09-09 2016-06-29 武汉立胜工业自动化设备有限公司 一种可移动式冰桶全自动设备
CN110249191B (zh) * 2018-01-08 2021-04-06 拉姆·普拉卡施·夏尔马 冰机可旋转组件和壳体、冰机可旋转组件、冰机及相关方法
US10921036B2 (en) * 2018-04-12 2021-02-16 Haier Us Appliance Solutions, Inc. Stand-alone ice making appliance having insulating or sealing features
CN114857815B (zh) * 2019-04-26 2023-08-15 青岛海尔电冰箱有限公司 冰制备设备
CN111854250B (zh) * 2019-04-26 2022-05-20 青岛海尔电冰箱有限公司 制冰装置
US11175084B2 (en) 2019-09-09 2021-11-16 Haier Us Appliance Solutions, Inc. Horizontal clear ice maker
US20210080159A1 (en) * 2019-09-12 2021-03-18 Haier Us Appliance Solutions, Inc. Evaporator assembly for an ice making assembly
US12072134B2 (en) 2019-11-06 2024-08-27 Abstract Ice, Inc. Systems and methods for creating clear ice
US11009281B1 (en) 2020-07-15 2021-05-18 Haier Us Appliance Solutions, Inc. Ice making assemblies and removable nozzles therefor
US11920845B2 (en) 2020-10-15 2024-03-05 Haier Us Appliance Solutions, Inc. Flow rate control method for an ice making assembly
EP4248152A1 (en) 2020-11-20 2023-09-27 Abstract Ice, Inc. Devices for producing clear ice products and related methods
CN112753928A (zh) * 2021-02-05 2021-05-07 北京农科亿健蜂产品研究院 蜂皇浆低温循环冷冻装置

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Also Published As

Publication number Publication date
CN1036824A (zh) 1989-11-01
ZA892019B (en) 1989-11-29
ES2019979B3 (es) 1991-07-16
DE3861285D1 (de) 1991-01-24
JPH01273975A (ja) 1989-11-01
CN1028899C (zh) 1995-06-14
EP0333887A1 (de) 1989-09-27
ATE59099T1 (de) 1990-12-15
CA1323765C (en) 1993-11-02
NZ228375A (en) 1990-10-26
MX170982B (es) 1993-09-23
AU3015589A (en) 1989-09-21
IN171912B (es) 1993-02-06
DK114389A (da) 1989-09-20
GR3001426T3 (en) 1992-09-25
AU613849B2 (en) 1991-08-08
US4966015A (en) 1990-10-30
EG18754A (en) 1994-03-30
AR240363A1 (es) 1990-03-30
SU1718734A3 (ru) 1992-03-07
BR8901240A (pt) 1989-11-07
PH25012A (en) 1991-01-28
DK114389D0 (da) 1989-03-09

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