EP1459018A1 - Ice cube maker - Google Patents

Ice cube maker

Info

Publication number
EP1459018A1
EP1459018A1 EP02792907A EP02792907A EP1459018A1 EP 1459018 A1 EP1459018 A1 EP 1459018A1 EP 02792907 A EP02792907 A EP 02792907A EP 02792907 A EP02792907 A EP 02792907A EP 1459018 A1 EP1459018 A1 EP 1459018A1
Authority
EP
European Patent Office
Prior art keywords
ice
cream preparation
ice cube
trough
housing
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.)
Withdrawn
Application number
EP02792907A
Other languages
German (de)
French (fr)
Inventor
Georg Hornung
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1459018A1 publication Critical patent/EP1459018A1/en
Withdrawn legal-status Critical Current

Links

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
    • F25C1/08—Producing ice by immersing freezing chambers, cylindrical bodies or plates into water
    • 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 device for preparing pieces of ice.
  • ice cube trays with a large number of compartments are generally used, which are filled with water and then frozen in a freezer.
  • the freezing process proceeds from the outside in.
  • the first frozen outer layers of an ice cube come under increasing tension, the further the freezing process continues inside and this leads to an increase in volume.
  • This tension prevents the formation of a homogeneous, transparent ice mass, instead the ice mass is clouded by a multitude of tiny bubbles and rays.
  • Such devices are not suitable for use in private households because of their space requirements, their costs and their production output, which far exceeds the requirements of a private household.
  • the object of the present invention is to provide a device for producing pieces of ice which is also suitable for use in private households.
  • the object is achieved by a device having the features of claim 1.
  • the storage tank integrated in the device allows the device to be operated at largely any location independently of a water pipe.
  • the device can be conveniently stowed in a cabinet when not in use and can be taken out and put into operation if necessary, without having to first create a complex connection to a water pipe.
  • a receptacle for finished pieces of ice is preferably accommodated in the housing below the ice-cream preparation trough, so that finished pieces of ice can fall in without being touched by hand.
  • This receptacle is preferably designed as a drawer, so that it and its contents can be pulled out of the housing in order to enable removal.
  • the use of a drawer also enables a more compact design of the housing than if the finished ice cubes have to be removed in a conventional manner through a flap from a receptacle which is stationary in the housing.
  • the ice-cream preparation trough itself can serve as a receptacle for finished pieces of ice.
  • the device is preferably designed both for operation on a mains socket and for operation independent of the mains, in particular on a car battery.
  • Figure 1 is a schematic section through an ice maker according to the invention at the beginning of its operation.
  • FIG. 2 shows a schematic section through the ice cube preparation device in an operating phase shortly before the finished ice cubes are removed;
  • Fig. 3 shows a section through the device towards the end of an operating phase, with ice cubes that can be removed.
  • a storage tank 2 for fresh water is housed in the upper part of a housing 1 of the ice maker shown in Fig. 1.
  • a filler neck 3 with a removable cover 4 is accessible at the top of the housing 1.
  • a valve 5 is arranged, through which water can be let into an ice-cream preparation tub 6.
  • the valve 5 can be actuated by a user from outside the housing 1, alternatively an automatically operated valve which is always closed when the movable ice-cream preparation trough 6 is not exactly in its position shown in the figure, intended for ice cube preparation is located, and that, when the ice-cream preparation trough 6 is in the position shown, is open, as long as the water level in the trough 6 lies below the target level shown in the figure and when the target level is reached, for example with the aid of a (not shown) Float is closed.
  • the device contains an essentially conventional refrigeration machine with an evaporator 7 which extends over the ice-cream preparation trough 6 and carries cooling fingers 8 projecting downwards into the trough.
  • a siphon 9 is arranged in the vicinity of an edge, here the edge facing the rear of the housing, of the ice-cream preparation trough 6. This siphon is effective, inter alia, in the event of a fault in the valve 5 and empties the contents of the ice-cream preparation trough 6 into an underlying residual water tank 10 if the water level in the ice-cream preparation trough 6 rises above the tip of the siphon 9.
  • a compressor 11 of the refrigerator and a drawer 12 for finished ice cubes are accommodated in a lower region of the housing 1.
  • the ice-cream preparation trough 6 can be pulled out of the housing 1 like a drawer, as shown in FIG. 3.
  • the cooling fingers 8 are heated in order to loosen the ice cubes 13 formed thereon. These fall into the drawer 12 located under the evaporator 7.
  • the ice-cream preparation tub 6 can be pushed back to its place shown in FIG. 1 and filled again with water from the storage tank 2, while the finished ice cubes 13 are ready for removal in the drawer 12 ,
  • the drawer 12 can be omitted; instead, the ice-cream preparation trough 6 is used in its position shown in FIG. 1 for ice cube preparation and, after completion of the ice cube preparation, is left in the lowered position shown in FIG. 2.
  • the ice cubes fall into the tub 6 and can be removed by pulling out the tub 6.

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)
  • Confectionery (AREA)

Abstract

Disclosed is a device for producing transparent ice cubes, comprising a refrigerating assembly (7, 8, 11), an ice cube making tub (6), and a feeding tank (2) for filling the ice cube making tub (6) in a common housing (1). The ice cube making tub (6) is movable between a position, wherein cooling fingers (8) of the refrigerating assembly engage into the ice cube making tub (6), and a position away from the cooling fingers (8).

Description

Eiswürfelbereiter ice maker
Die vorliegende Erfindung betrifft ein Gerät zur Bereitung von Eisstücken.The present invention relates to a device for preparing pieces of ice.
Für die Herstellung von Eiswürfeln in Privathaushalten werden im allgemeinen Eiswürfelschalen mit einer Vielzahl von Fächern eingesetzt, die mit Wasser gefüllt und dann in einem Gefriergerät gefroren werden. Der Gefriervorgang schreitet von außen nach innen fort. Dabei geraten die zuerst gefrorenen äußeren Schichten eines Eiswürfels unter zunehmende Spannung, je weiter der Gefriervorgang sich ins Innere fortsetzt und dabei zu einer Volumenzunahme führt. Diese Spannung verhindert das Entstehen einer homogenen, durchsichtigen Eismasse, statt dessen ist die Eismasse getrübt durch eine Vielzahl winziger Bläschen und Strahlen.For the production of ice cubes in private households, ice cube trays with a large number of compartments are generally used, which are filled with water and then frozen in a freezer. The freezing process proceeds from the outside in. The first frozen outer layers of an ice cube come under increasing tension, the further the freezing process continues inside and this leads to an increase in volume. This tension prevents the formation of a homogeneous, transparent ice mass, instead the ice mass is clouded by a multitude of tiny bubbles and rays.
In der Gastronomie kommen deshalb häufig sogenannte Klareisbereiter zum Einsatz, die für den Konsumenten ansprechendere, glasklare Eiswürfel liefern. Hierfür wird ein von innen nach außen fortschreitender Gefriervorgang eingesetzt, bei dem unter 0°C abgekühlte Kühlfinger in ein Wasserbecken eingetaucht werden, so dass die Eiswürfel sich an diesen Kühlfingern bilden.So in the catering trade, so-called clear ice makers are often used, which deliver more appealing, crystal-clear ice cubes for the consumer. A freezing process that progresses from the inside to the outside is used for this, in which cooling fingers cooled below 0 ° C. are immersed in a water basin so that the ice cubes form on these cooling fingers.
Herkömmliche Klareisbereiter, wie z.B. in DE 40 20 128 A1 beschrieben, sind aufwendige Geräte für kommerziellen Einsatz, die zum festen Anschluss an eine Wasserleitung vorgesehen sind und so gut wie vollautomatisch arbeiten.Conventional clear ice makers, e.g. DE 40 20 128 A1 describes complex devices for commercial use, which are provided for fixed connection to a water pipe and work almost fully automatically.
Für den Einsatz in Privathaushalten kommen derartige Geräte wegen ihres Platzbedarfs, ihrer Kosten und ihrer den Bedarf eines Privathaushalt bei weitem übersteigenden Produktionsleistung nicht in Betracht.Such devices are not suitable for use in private households because of their space requirements, their costs and their production output, which far exceeds the requirements of a private household.
Aufgabe der vorliegenden Erfindung ist, ein Gerät zur Herstellung von Eisstücken anzugeben, das auch für den Einsatz in privaten Haushalten geeignet ist.The object of the present invention is to provide a device for producing pieces of ice which is also suitable for use in private households.
Die Aufgabe wird gelöst durch ein Gerät mit den Merkmalen des Anspruchs 1. Der in das Gerät integrierte Vorratstank erlaubt es, das Gerät an weitgehend beliebigen Orten unabhängig von einer Wasserleitung zu betreiben. Außerdem kann das Gerät bequem bei Nichtgebrauch in einem Schrank verstaut werden und bei Bedarf hervor geholt und in Betrieb genommen werden, ohne dass erst ein aufwendiger Anschluss an eine Wasserleitung geschaffen werden muss.The object is achieved by a device having the features of claim 1. The storage tank integrated in the device allows the device to be operated at largely any location independently of a water pipe. In addition, the device can be conveniently stowed in a cabinet when not in use and can be taken out and put into operation if necessary, without having to first create a complex connection to a water pipe.
Ein Aufnahmebehälter für fertige Eisstücke ist in dem Gehäuse vorzugsweise unterhalb der Eisstuckebereitungswanne untergebracht, so dass fertige Eisstücke hineinfallen können, ohne mit der Hand berührt zu werden. Vorzugsweise ist dieser Aufnahmebehälter als Schublade ausgebildet, so dass er mitsamt seinem Inhalt aus dem Gehäuse herausgezogen werden kann, um die Entnahme zu ermöglichen. Die Verwendung einer Schublade ermöglicht auch eine kompaktere Bauform des Gehäuses, als wenn in herkömmlicher Weise die fertigen Eiswürfel durch eine Klappe aus einem im Gehäuse ortsfesten Aufnahmebehälter entnommen werden müssen.A receptacle for finished pieces of ice is preferably accommodated in the housing below the ice-cream preparation trough, so that finished pieces of ice can fall in without being touched by hand. This receptacle is preferably designed as a drawer, so that it and its contents can be pulled out of the housing in order to enable removal. The use of a drawer also enables a more compact design of the housing than if the finished ice cubes have to be removed in a conventional manner through a flap from a receptacle which is stationary in the housing.
Bei einer besonders kompakten Bauform kann die Eisstuckebereitungswanne selbst als Aufnahmebehälter für fertige Eisstücke dienen.In a particularly compact design, the ice-cream preparation trough itself can serve as a receptacle for finished pieces of ice.
Vorzugsweise ist das Gerät sowohl für den Betrieb an einer Netzsteckdose als auch für netzunabhängigen Betrieb, insbesondere an einer Autobatterie, ausgelegt.The device is preferably designed both for operation on a mains socket and for operation independent of the mains, in particular on a car battery.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beigefügten Figuren. Es zeigen:Further features and advantages of the invention result from the following description of an exemplary embodiment with reference to the attached figures. Show it:
Fig. 1 einen schematischen Schnitt durch ein erfindungsgemäßes Eiswürfelbereitungsgerät zu Beginn seines Betriebs;Figure 1 is a schematic section through an ice maker according to the invention at the beginning of its operation.
Fig. 2 einen schematischen Schnitt durch das Eiswürfelbereitungsgerät in einer Betriebsphase kurz vor Entnahme der fertigen Eiswürfel; und2 shows a schematic section through the ice cube preparation device in an operating phase shortly before the finished ice cubes are removed; and
Fig. 3 einen Schnitt durch das Gerät gegen Ende einer Betriebsphase, mit fertig entnehmbaren Eiswürfeln. Im oberen Teil eines Gehäuses 1 des in Fig. 1 dargestellten Eiswürfelbereitungsgeräts ist ein Vorratstank 2 für Frischwasser untergebracht. Ein Einfüllstutzen 3 mit abnehmbaren Deckel 4 ist an der Oberseite des Gehäuses 1 zugänglich. Am Boden des Vorratstanks 2 ist ein Ventil 5 angeordnet, über das Wasser in eine Eisstuckebereitungswanne 6 eingelassen werden kann. Das Ventil 5 kann von außerhalb des Gehäuses 1 durch einen Benutzer betätigbar sein, alternativ möglich ist ein automatisch betätigtes Ventil, welches immer dann geschlossen ist, wenn die bewegbare Eisstuckebereitungswanne 6 sich nicht exakt in ihrer in der Fig. gezeigten, für die Eiswürfelbereitung vorgesehenen Position befindet, und das, wenn die Eisstuckebereitungswanne 6 sich in dieser gezeigten Position befindet, offen ist, so lange der Wasserspiegel in der Wanne 6 unterhalb des in der Fig. gezeigten Sollspiegels liegt und bei Erreichen des Sollspiegels, z.B. mit Hilfe eines (nicht dargestellten) Schwimmers geschlossen wird.Fig. 3 shows a section through the device towards the end of an operating phase, with ice cubes that can be removed. In the upper part of a housing 1 of the ice maker shown in Fig. 1, a storage tank 2 for fresh water is housed. A filler neck 3 with a removable cover 4 is accessible at the top of the housing 1. At the bottom of the storage tank 2, a valve 5 is arranged, through which water can be let into an ice-cream preparation tub 6. The valve 5 can be actuated by a user from outside the housing 1, alternatively an automatically operated valve which is always closed when the movable ice-cream preparation trough 6 is not exactly in its position shown in the figure, intended for ice cube preparation is located, and that, when the ice-cream preparation trough 6 is in the position shown, is open, as long as the water level in the trough 6 lies below the target level shown in the figure and when the target level is reached, for example with the aid of a (not shown) Float is closed.
Das Gerät enthält eine im wesentlichen herkömmliche Kältemaschine mit einem Verdampfer 7, der sich über der Eisstuckebereitungswanne 6 erstreckt und nach unten, in die Wanne hinein, vorstehende Kühlfinger 8 trägt.The device contains an essentially conventional refrigeration machine with an evaporator 7 which extends over the ice-cream preparation trough 6 and carries cooling fingers 8 projecting downwards into the trough.
Ein Siphon 9 ist in der Nähe eines Randes, hier des der Gehäuserückseite zugewandten Randes, der Eisstuckebereitungswanne 6 angeordnet. Dieser Siphon wird unter anderem bei einer Störung des Ventils 5 wirksam und entleert den Inhalt der Eisstuckebereitungswanne 6 in einen darunterliegenden Restwassertank 10, falls der Wasserspiegel in der Eisstuckebereitungswanne 6 über die Spitze des Siphons 9 ansteigt.A siphon 9 is arranged in the vicinity of an edge, here the edge facing the rear of the housing, of the ice-cream preparation trough 6. This siphon is effective, inter alia, in the event of a fault in the valve 5 and empties the contents of the ice-cream preparation trough 6 into an underlying residual water tank 10 if the water level in the ice-cream preparation trough 6 rises above the tip of the siphon 9.
In einem unteren Bereich des Gehäuses 1 sind außer dem Restwassertank 10 noch ein Verdichter 11 der Kältemaschine und eine Schublade 12 für fertige Eiswürfel untergebracht.In addition to the residual water tank 10, a compressor 11 of the refrigerator and a drawer 12 for finished ice cubes are accommodated in a lower region of the housing 1.
Wenn die Eisstuckebereitungswanne 6, wie in Fig. 1 gezeigt, mit Wasser gefüllt ist und die Kältemaschine in Betrieb genommen wird, beginnt Wasser, an den Spitzen der Kühlfinger 8 zu gefrieren, und bildet nach ausreichender Laufzeit des Geräts an den Spitzen der Kühlfinger 8 klare Eiswürfel. Um diese Eiswürfel zu entnehmen, wird zunächst, wie in Fig. 2 gezeigt, der hintere Bereich der Eisstuckebereitungswanne 6 abgesenkt. Dadurch steigt in diesem Bereich der Wasserspiegel über den Siphon 9, und das nicht gefrorene Restwasser fließt durch den Siphon 9 in den Restwassertank 10 ab. Die Eiswürfel 13 bleiben währenddessen an den Kühlfingern 8 hängen.As shown in FIG. 1, when the ice-cream preparation trough 6 is filled with water and the refrigerator is started up, water begins to freeze at the tips of the cooling fingers 8 and forms clear at the tips of the cooling fingers 8 after the device has run for a sufficient period of time ice cubes. In order to remove these ice cubes, the rear region of the ice-cream preparation trough 6 is first lowered, as shown in FIG. 2. As a result, the water level rises in this area via the siphon 9, and that which is not frozen Residual water flows through the siphon 9 into the residual water tank 10. Meanwhile, the ice cubes 13 get caught on the cooling fingers 8.
Nachdem das Restwasser in den Restwassertank 10 abgelaufen ist, kann die Eisstuckebereitungswanne 6 ähnlich einer Schublade aus dem Gehäuse 1 herausgezogen werden, wie in Fig. 3 gezeigt. Gleichzeitig werden die Kühlfinger 8 beheizt, um die daran entstandenen Eiswürfel 13 zu lösen. Diese fallen so in die unter dem Verdampfer 7 liegende Schublade 12. Nun kann die Eisstuckebereitungswanne 6 an ihren in Fig. 1 gezeigten Platz zurückgeschoben und erneut mit Wasser aus dem Vorratstank 2 gefüllt werden, während die fertigen Eiswürfel 13 in der Schublade 12 zur Entnahme bereitliegen.After the residual water has drained into the residual water tank 10, the ice-cream preparation trough 6 can be pulled out of the housing 1 like a drawer, as shown in FIG. 3. At the same time, the cooling fingers 8 are heated in order to loosen the ice cubes 13 formed thereon. These fall into the drawer 12 located under the evaporator 7. Now the ice-cream preparation tub 6 can be pushed back to its place shown in FIG. 1 and filled again with water from the storage tank 2, while the finished ice cubes 13 are ready for removal in the drawer 12 ,
Bei einer vereinfachten, noch kompakteren Ausgestaltung des erfindungsgemäßen Eiswürfelbereiters kann die Schublade 12 entfallen; statt dessen wird die Eisstuckebereitungswanne 6 in ihrer in Fig. 1 gezeigten Position zur Eiswürfelbereitung genutzt und nach Abschluss der Eiswürfelbereitung in der in Fig. 2 gezeigten, abgesenkten Position belassen. Durch Erhitzen der Kühlfinger 8 fallen die Eiswürfel in die Wanne 6 und können durch Herausziehen der Wanne 6 entnommen werden. In a simplified, even more compact design of the ice cube maker according to the invention, the drawer 12 can be omitted; instead, the ice-cream preparation trough 6 is used in its position shown in FIG. 1 for ice cube preparation and, after completion of the ice cube preparation, is left in the lowered position shown in FIG. 2. By heating the cooling fingers 8, the ice cubes fall into the tub 6 and can be removed by pulling out the tub 6.

Claims

Patentansprüche claims
1. Gerät zur Herstellung von Eisstücken, mit einem Kühlaggregat (7, 8, 11), einer Eisstuckebereitungswanne (6), die zwischen einer Position, in der Kühlfinger (8) des Kühlaggregates in die Eisstuckebereitungswanne (6) eingreifen, und einer von den Kühlfingern (8) entfernten Position bewegbar ist, dadurch gekennzeichnet, dass ein Vorratstank (2) zum Befüllen der Eisstuckebereitungswanne (6) mit dieser in einem Gehäuse (1) integriert ist.1. Device for the production of ice cubes, with a cooling unit (7, 8, 11), an ice-cream preparation trough (6) which engage between a position in which the cooling finger (8) of the cooling unit in the ice-cream preparation trough (6), and one of them Cooling fingers (8) can be moved to a distant position, characterized in that a storage tank (2) for filling the ice-cream preparation trough (6) is integrated with the latter in a housing (1).
2. Gerät nach Anspruch 1 , dadurch gekennzeichnet, dass ein Aufnahmebehälter (12) für Eisstücke unter der Eisstuckebereitungswanne (6) in dem Gehäuse (1) untergebracht ist.2. Apparatus according to claim 1, characterized in that a receptacle (12) for pieces of ice is accommodated in the housing (1) under the ice-cream preparation trough (6).
3. Gerät nach Anspruch 1 , dadurch gekennzeichnet, dass die Eisstuckebereitungswanne als Aufnahmebehälter für fertige Eisstücke nutzbar ist.3. Apparatus according to claim 1, characterized in that the ice-cream preparation tub can be used as a receptacle for finished pieces of ice.
4. Gerät nach Anspruch 2, dadurch gekennzeichnet, dass der Aufnahmebehälter als Schublade (12) ausgebildet ist.4. Apparatus according to claim 2, characterized in that the receiving container is designed as a drawer (12).
5. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es für den Betrieb sowohl an einer Netzsteckdose als auch an einer Autobatterie eingerichtet ist. 5. Device according to one of the preceding claims, characterized in that it is set up for operation both on a mains socket and on a car battery.
EP02792907A 2001-12-20 2002-12-05 Ice cube maker Withdrawn EP1459018A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10162917A DE10162917A1 (en) 2001-12-20 2001-12-20 ice maker
DE10162917 2001-12-20
PCT/EP2002/013805 WO2003054458A1 (en) 2001-12-20 2002-12-05 Ice cube maker

Publications (1)

Publication Number Publication Date
EP1459018A1 true EP1459018A1 (en) 2004-09-22

Family

ID=7710156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02792907A Withdrawn EP1459018A1 (en) 2001-12-20 2002-12-05 Ice cube maker

Country Status (4)

Country Link
US (1) US7201014B2 (en)
EP (1) EP1459018A1 (en)
DE (1) DE10162917A1 (en)
WO (1) WO2003054458A1 (en)

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US20040255606A1 (en) 2004-12-23
DE10162917A1 (en) 2003-07-03
US7201014B2 (en) 2007-04-10
WO2003054458A1 (en) 2003-07-03

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