US20090255289A1 - Refrigerator unit and/or freezer unit - Google Patents

Refrigerator unit and/or freezer unit Download PDF

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Publication number
US20090255289A1
US20090255289A1 US12/220,727 US22072708A US2009255289A1 US 20090255289 A1 US20090255289 A1 US 20090255289A1 US 22072708 A US22072708 A US 22072708A US 2009255289 A1 US2009255289 A1 US 2009255289A1
Authority
US
United States
Prior art keywords
unit
accordance
assembly
crusher
ice cubes
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.)
Abandoned
Application number
US12/220,727
Other languages
English (en)
Inventor
Volker Friedmann
Georg Dorner
Holger Jendrusch
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen 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 Liebherr Hausgeraete Ochsenhausen GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Assigned to LIEBHERR-HAUSGERATE OCHSENHAUSEN GMBH reassignment LIEBHERR-HAUSGERATE OCHSENHAUSEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DORNER, GEORG, FRIEDMANN, VOLKER, JENDRUSCH, HOLGER
Publication of US20090255289A1 publication Critical patent/US20090255289A1/en
Abandoned legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C5/00Working or handling ice
    • F25C5/02Apparatus for disintegrating, removing or harvesting ice
    • F25C5/04Apparatus for disintegrating, removing or harvesting ice without the use of saws
    • F25C5/046Ice-crusher machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C5/00Working or handling ice
    • F25C5/20Distributing ice
    • F25C5/22Distributing ice particularly adapted for household refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10Refrigerator units

Definitions

  • the present invention relates to an apparatus for the making of ice cubes and for the crushing in a refrigerator unit and/or freezer unit as well as to a refrigerator unit and/or freezer unit having at least one such apparatus.
  • the assembly can be installed with small adaptations or without adaptations into different units. As a result of its structure, it does not necessarily have to be placed at the top or at the walls of the inner space of the unit; it is rather possible to arrange it at any desired position in the inner unit space due to the integration of the manufacturing unit into the assembly.
  • a container in particular a trough, is preferably provided for the reception of the ice cubes made in the manufacturing unit.
  • the conveying means are preferably arranged such that they convey the ice cubes disposed in the trough or in the container to the crusher.
  • the assembly can furthermore have a safety switch which is made such that it interrupts the power supply to the crusher in at least one switch position.
  • a safety switch which is made such that it interrupts the power supply to the crusher in at least one switch position.
  • the ice cube maker, the safety switch and the crusher as well as optionally also the conveying means are located in one assembly.
  • the conveying means can be a conveyor screw or a conveyor spiral driven by means of a motor. Provision is preferably made for the conveyor screw or conveyor spiral to have a helix and for the spacing of the first spiral from the end of the spiral to lie in the range between 10 to 40 mm, preferably in the range between 20 mm to 30 mm.
  • the conveyor screw or conveyor spiral to have a helix whose pitch lies in the range between 10 to 40 mm, preferably in the range from 20 mm to 30 mm.
  • a good crushing result is in particular obtained when the crusher includes a plurality of blades, preferably four blades.
  • the small twist-tray ice cubes can also be easily crushed.
  • the manufacturing unit prefferably be arranged above the crusher. If the manufacturing unit is arranged above the container and/or above the conveyor unit, the ice cubes made can fall from the manufacturing unit into the container and can be conveyed from there to the crusher by means of the named conveyor unit.
  • the securing of the assembly in the inner container can take place, for example, by a simple latching which fixes the assembly to a side wall and/or to the rear wall of a unit.
  • the area beside the assembly can by utilized as a storage area due to this structure.
  • the assembly it is also conceivable for the assembly to have holding means for the fixing of a storage tray arranged on the assembly or for the upper side of the assembly to be made as a support surface.
  • the upper region or the upper side of the assembly can be made as a storage surface.
  • the invention further relates to a refrigerator unit and/or freezer unit having an apparatus in accordance with one of the claims 1 to 16 .
  • the assembly is connected to a support, provision can be made for the support to extend below and/or above the assembly and to lie on projections or in cut-outs of the inner space of the unit.
  • the space above the assembly can furthermore also be utilized. It is, for example, conceivable that a storage surface or a drawer is located there.
  • a dispensing unit to be located in the door of the unit which is in communication with the apparatus when the door is closed such that the ice cubes made in the apparatus and/or ice cubes crushed by means of the apparatus can be dispensed to the user.
  • the dispenser unit naturally does not have to be restricted to the dispensing of crushed or non-crushed ice cubes. It is also conceivable, for example, to dispense water or other goods or liquids by means of the dispenser unit.
  • FIG. 1 a perspective view of the assembly in a sectioned representation
  • FIG. 2 a perspective representation of the assembly in the inserted state without a cover strip
  • FIG. 3 a perspective representation of the collection trough with a conveyor spiral and a crusher in the cut-away state
  • FIG. 4 a perspective representation of the assembly in the inserted state with a storage tray located beside the assembly;
  • FIG. 5 an arrangement in accordance with FIG. 4 with a drawer provided above the assembly.
  • FIG. 1 shows the assembly 100 In accordance with the present invention in a perspective representation.
  • the assembly 100 has a housing in whose upper region the ice cube maker, that is the manufacturing unit 10 , is located.
  • the ice cube maker is in communication with a water connection not shown in any more detail.
  • the container 30 which is made as a collection trough and in which the conveyor spiral 60 is arranged is located below the ice cube maker 10 .
  • the latter is driven by the motor 50 which is likewise a component of the assembly.
  • the conveyor spiral 60 is located in the region of the container 30 and, in operation of the motor 50 , conveys the ice cubes which have fallen from the manufacturing unit 10 or which are located in the container 30 to the crusher 20 .
  • the crusher 20 is located in the end region of the assembly 100 at the front, that is, directed toward the operator, and is formed by four blades 22 .
  • An opening is located below the crusher 20 through which the crushed ice cubes fall.
  • a safety switch is marked by the reference numeral 40 and ensures that the crusher is switched currentless when the door or flap of the unit is open.
  • a magnetic switch for crushed ice or for ice cubes can furthermore be provided.
  • the dispensing of ice cubes or the dispensing of crushed ice cubes can be realized selectively depending on the wishes of the operator by means of the assembly shown in FIG. 1 .
  • the present embodiment relates to an assembly having an integrated safety switch, having an integrated manufacturing unit and having an integrated conveying unit and crusher.
  • the ice cube maker, the named safety switch and also the crush conveyor unit are thus located in a common module.
  • the unit shown in FIG. 1 can be placed in any desired construction in the unit. It is conceivable for the assembly 100 shown in FIG. 1 to be able to be introduced into a standard inner container and to be able to be arranged there without additional foamed parts and fastening parts being required in the inner container. In a preferred embodiment, the inner container thus does not differ between units in which the assembly is inserted and units which do not have such an assembly.
  • the assembly is closed to the front by the cover strip 90 .
  • the support 110 which is made as a traverse and by means of which the assembly 100 is suspended is located in the upper front third of the assembly 100 .
  • FIG. 2 This state can be seen from FIG. 2 .
  • the inner container of a freezer with a width e.g. of 60 cm is shown with the reference numeral 200 in FIG. 2 .
  • the assembly 100 is positioned in this embodiment such that it is supported at the rear wall 204 as well as at the side wall 202 of the inner container 200 .
  • the assembly 100 is furthermore arranged at the transversely extending support 110 which for its part lies on projections 206 of the inner container in its end regions. These projections 206 can be projecting ribs on which storage trays are usually positioned.
  • FIG. 2 The cover strip shown with the reference numeral 90 in FIG. 1 is shown in FIG. 2 to illustrate the arrangement of the components, that is, of the upwardly arranged ice cube maker as the manufacturing unit and the crusher arranged thereunder.
  • FIG. 2 It is conceivable to secure the assembly shown in FIG. 2 in that a latching takes place on both sides or at least on one side, as is shown by the slantingly extending arrow in FIG. 2 .
  • the support 110 can be latched to the assembly 100 before the installation of the assembly 100 into the inner container 200 .
  • the support 110 is preferably arranged releasably at the assembly 100 . This makes it possible for the assembly also to be able to be inserted without modification into units without different inner widths by the use of a longer or shorter support which is preferably made as an extruded part. Low investment costs thus arise for unit variants.
  • the assembly 100 preferably consists mainly of injection molded parts.
  • FIG. 3 again shows in an enlarged representation the container 30 with the conveyor spiral 60 arranged therein which is made as a helix.
  • the pitch of the helix amounts to approximately 23 mm and the spacing between the start of the helix and the first spiral marked by the two vertical lines in FIG. 3 amounts to approximately 27 mm.
  • the crusher shown at the right can likewise be recognized from FIG. 3 in which four fixed blades 22 are used which have an optimized blade spacing of approximately 4 mm.
  • FIG. 4 shows the assembly 100 inserted into the inner container of a freezer.
  • a storage tray 120 is located in the region beside the assembly 100 .
  • Said storage tray is supported, on the one hand, on a rib of the inner container and, on the other hand, on a projection or in a groove of the assembly 100 .
  • FIG. 5 shows the arrangement in accordance with FIG. 4 with a drawer 300 additionally arranged above the assembly 100 .
  • the assembly is preferably made such that it can be installed into other units without any, or with only slight, modifications.
  • the installation effort is correspondingly low due to the integration of the two named components of manufacturing unit and crusher and, optionally further component members into the assembly.
  • the assembly of modular structure can make, store, convey and crush ice cubes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)
US12/220,727 2007-07-26 2008-07-28 Refrigerator unit and/or freezer unit Abandoned US20090255289A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007010400U DE202007010400U1 (de) 2007-07-26 2007-07-26 Kühl- und/oder Gefriergerät
DE202007010400.6 2007-07-26

Publications (1)

Publication Number Publication Date
US20090255289A1 true US20090255289A1 (en) 2009-10-15

Family

ID=39817140

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/220,727 Abandoned US20090255289A1 (en) 2007-07-26 2008-07-28 Refrigerator unit and/or freezer unit

Country Status (4)

Country Link
US (1) US20090255289A1 (es)
EP (1) EP2023062B1 (es)
DE (1) DE202007010400U1 (es)
ES (1) ES2744948T3 (es)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100293984A1 (en) * 2004-09-27 2010-11-25 Whirlpool Corporation Apparatus and method for dispensing ice from a bottom mount refrigerator
US20110067430A1 (en) * 2005-05-18 2011-03-24 Whirlpool Corporation Refrigerator ice compartment latch and cover
US20110120152A1 (en) * 2009-11-23 2011-05-26 Arun Madhav Talegaonkar Method and apparatus for crushing ice within a refrigerator
US8695370B2 (en) 2005-05-18 2014-04-15 Whirlpool Corporation Refrigerator ice compartment with intermediate temperature
US20140223948A1 (en) * 2013-02-14 2014-08-14 Whirpool Corporation Ice crushing system
US8844311B2 (en) 2005-01-03 2014-09-30 Whirlpool Corporation Refrigerator with a water and ice dispenser having an improved ice chute air seal
US20160370072A1 (en) * 2015-06-17 2016-12-22 Dongbu Daewoo Electronics Corporation Refrigerator and method for manufacturing the same
KR101798536B1 (ko) 2016-04-08 2017-11-17 동부대우전자 주식회사 냉장고
US9879898B2 (en) 2005-05-18 2018-01-30 Whirlpool Corporation Insulated ice compartment for bottom mount refrigerator with controlled damper
CN112998045A (zh) * 2021-04-17 2021-06-22 广州市传稻食品有限公司 用于流心月饼生产的恒温月饼包馅机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014008669A1 (de) * 2014-03-21 2015-10-08 BSH Hausgeräte GmbH Kühl- und/oder Gefriergerät

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640089A (en) * 1970-06-08 1972-02-08 Gen Electric Household refrigerator with exterior ice service
US5037004A (en) * 1990-07-12 1991-08-06 Maytag Corporation Ice dispenser for the automatic ice maker of a refrigerator
US5056688A (en) * 1990-01-02 1991-10-15 Amana Refrigeration Inc. Ice cube and crushed ice dispenser
US5272888A (en) * 1993-01-05 1993-12-28 Whirlpool Corporation Top mount refrigerator with exterior ice service
US20060260345A1 (en) * 2005-05-18 2006-11-23 Maytag Corporation Refrigerator ice compartment with intermediate temperature
US7185507B2 (en) * 2004-10-26 2007-03-06 Whirlpool Corporation Ice making and dispensing system
US20070084230A1 (en) * 2005-10-18 2007-04-19 General Electric Company Ice dispenser assembly and method of assembling same
US20070163285A1 (en) * 2006-01-19 2007-07-19 Samsung Electronics Co., Ltd. Refrigerator with ice making device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060065008A1 (en) * 2004-09-30 2006-03-30 Samsung Electronics Co., Ltd. Refrigerator
KR100690671B1 (ko) * 2005-03-11 2007-03-09 엘지전자 주식회사 냉장고의 아이스빈
US7707847B2 (en) * 2005-11-30 2010-05-04 General Electric Company Ice-dispensing assembly mounted within a refrigerator compartment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640089A (en) * 1970-06-08 1972-02-08 Gen Electric Household refrigerator with exterior ice service
US5056688A (en) * 1990-01-02 1991-10-15 Amana Refrigeration Inc. Ice cube and crushed ice dispenser
US5037004A (en) * 1990-07-12 1991-08-06 Maytag Corporation Ice dispenser for the automatic ice maker of a refrigerator
US5272888A (en) * 1993-01-05 1993-12-28 Whirlpool Corporation Top mount refrigerator with exterior ice service
US7185507B2 (en) * 2004-10-26 2007-03-06 Whirlpool Corporation Ice making and dispensing system
US20060260345A1 (en) * 2005-05-18 2006-11-23 Maytag Corporation Refrigerator ice compartment with intermediate temperature
US20070084230A1 (en) * 2005-10-18 2007-04-19 General Electric Company Ice dispenser assembly and method of assembling same
US20070163285A1 (en) * 2006-01-19 2007-07-19 Samsung Electronics Co., Ltd. Refrigerator with ice making device

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10295241B2 (en) 2004-09-27 2019-05-21 Whirlpool Corporation Apparatus and method for dispensing ice from a bottom mount refrigerator
US8733123B2 (en) 2004-09-27 2014-05-27 Whirlpool Corporation Apparatus and method for dispensing ice from a bottom mount refrigerator
US8756952B2 (en) 2004-09-27 2014-06-24 Whirlpool Corporation Apparatus and method for dispensing ice from a bottom mount refrigerator
US10208998B2 (en) 2004-09-27 2019-02-19 Whirlpool Corporation Apparatus and method for dispensing ice from a bottom mount refrigerator
US20100293984A1 (en) * 2004-09-27 2010-11-25 Whirlpool Corporation Apparatus and method for dispensing ice from a bottom mount refrigerator
US8844311B2 (en) 2005-01-03 2014-09-30 Whirlpool Corporation Refrigerator with a water and ice dispenser having an improved ice chute air seal
US11719479B2 (en) 2005-01-03 2023-08-08 Whirlpool Corporation Refrigerator with a water and ice dispenser having an improved ice chute air seal
US11098941B2 (en) 2005-01-03 2021-08-24 Whirlpool Corporation Refrigerator with a water and ice dispenser having an improved ice chute air seal
US10107539B2 (en) 2005-01-03 2018-10-23 Whirlpool Corporation Refrigerator with a water and ice dispenser having an improved ice chute air seal
US9097455B2 (en) 2005-05-18 2015-08-04 Whirlpool Corporation Refrigerator with temperature control
US10203142B2 (en) 2005-05-18 2019-02-12 Whirlpool Corporation Ice compartment assembly for refrigerator
US9200827B2 (en) 2005-05-18 2015-12-01 Whirlpool Corporation Refrigerator with temperature control
US9207009B2 (en) 2005-05-18 2015-12-08 Whirlpool Corporation Ice compartment assembly for refrigerator
US9222716B2 (en) 2005-05-18 2015-12-29 Whirlpool Corporation Refrigerator with temperature control
US9222718B2 (en) 2005-05-18 2015-12-29 Whirlpool Corporation Ice compartment assembly for refrigerator
US9222717B2 (en) 2005-05-18 2015-12-29 Whirlpool Corporation Ice compartment assembly for refrigerator
US9250004B2 (en) 2005-05-18 2016-02-02 Whirlpool Corporation Refrigerator with temperature control
US9255728B2 (en) 2005-05-18 2016-02-09 Whirlpool Corporation Refrigerator with temperature control
US9267724B2 (en) 2005-05-18 2016-02-23 Whirlpool Corporation Refrigerator with temperature control
US9285151B2 (en) 2005-05-18 2016-03-15 Whirlpool Corporation Refrigerator with temperature control
US20110067430A1 (en) * 2005-05-18 2011-03-24 Whirlpool Corporation Refrigerator ice compartment latch and cover
US9404682B2 (en) 2005-05-18 2016-08-02 Whirlpool Corporation Refrigerator with temperature control
US9447999B2 (en) 2005-05-18 2016-09-20 Whirlpool Corporation Refrigerator with temperature control
US9476627B2 (en) 2005-05-18 2016-10-25 Whirlpool Corporation Refrigerator with temperature control
US11486625B2 (en) 2005-05-18 2022-11-01 Whirlpool Corporation Insulated ice compartment for bottom mount refrigerator with controlled damper
US10775092B2 (en) 2005-05-18 2020-09-15 Whirlpool Corporation Insulated ice compartment for bottom mount refrigerator with controlled damper
US9683770B2 (en) 2005-05-18 2017-06-20 Whirlpool Corporation Refrigerator with temperature control
US9683769B2 (en) 2005-05-18 2017-06-20 Whirlpool Corporation Ice compartment assembly for refrigerator
US8695370B2 (en) 2005-05-18 2014-04-15 Whirlpool Corporation Refrigerator ice compartment with intermediate temperature
US9879898B2 (en) 2005-05-18 2018-01-30 Whirlpool Corporation Insulated ice compartment for bottom mount refrigerator with controlled damper
US8794024B2 (en) 2005-05-18 2014-08-05 Whirlpool Corporation Refrigerator ice compartment latch and cover
USD712440S1 (en) 2005-05-18 2014-09-02 Whirpool Corporation Ice bin and cover assembly for a refrigerator
US20110120152A1 (en) * 2009-11-23 2011-05-26 Arun Madhav Talegaonkar Method and apparatus for crushing ice within a refrigerator
US20140223948A1 (en) * 2013-02-14 2014-08-14 Whirpool Corporation Ice crushing system
US10208997B2 (en) 2013-02-14 2019-02-19 Whirlpool Corporation Ice crushing system
US9372023B2 (en) * 2013-02-14 2016-06-21 Whirlpool Corporation Ice crushing system
CN106257182A (zh) * 2015-06-17 2016-12-28 东部大宇电子株式会社 冰箱及其制造方法
US20160370072A1 (en) * 2015-06-17 2016-12-22 Dongbu Daewoo Electronics Corporation Refrigerator and method for manufacturing the same
KR101798536B1 (ko) 2016-04-08 2017-11-17 동부대우전자 주식회사 냉장고
CN112998045A (zh) * 2021-04-17 2021-06-22 广州市传稻食品有限公司 用于流心月饼生产的恒温月饼包馅机

Also Published As

Publication number Publication date
EP2023062A2 (de) 2009-02-11
DE202007010400U1 (de) 2008-12-04
ES2744948T3 (es) 2020-02-26
EP2023062B1 (de) 2019-06-12
EP2023062A3 (de) 2015-04-22

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Date Code Title Description
AS Assignment

Owner name: LIEBHERR-HAUSGERATE OCHSENHAUSEN GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FRIEDMANN, VOLKER;DORNER, GEORG;JENDRUSCH, HOLGER;REEL/FRAME:022880/0008

Effective date: 20081016

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION