EP2126489A2 - Appareil réfrigérant doté d'un distributeur de glace et module - Google Patents

Appareil réfrigérant doté d'un distributeur de glace et module

Info

Publication number
EP2126489A2
EP2126489A2 EP07847286A EP07847286A EP2126489A2 EP 2126489 A2 EP2126489 A2 EP 2126489A2 EP 07847286 A EP07847286 A EP 07847286A EP 07847286 A EP07847286 A EP 07847286A EP 2126489 A2 EP2126489 A2 EP 2126489A2
Authority
EP
European Patent Office
Prior art keywords
flap
refrigerating appliance
appliance according
ice
crushing chamber
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.)
Granted
Application number
EP07847286A
Other languages
German (de)
English (en)
Other versions
EP2126489B1 (fr
Inventor
Irene Dumkow
Adolf Feinauer
Klaus Flinner
Peter Nalbach
Martin PÜNJER
Martin Buchstab
Bernd Heger
Kasim Yazan
Helen Lewis
Craig Duncan Webster
Nathan Wrench
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 EP2126489A2 publication Critical patent/EP2126489A2/fr
Application granted granted Critical
Publication of EP2126489B1 publication Critical patent/EP2126489B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25C5/00—Working or handling ice
    • F25C5/20—Distributing ice
    • F25C5/22—Distributing ice particularly adapted for household refrigerators
    • 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
    • F25C5/046—Ice-crusher machines
    • 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
    • F25C5/20—Distributing ice
    • F25C5/24—Distributing ice for storing bins
    • 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
    • F25C2500/08—Sticking or clogging of ice

Definitions

  • Refrigeration unit with ice dispenser and assembly for it
  • An ice dispenser known from US 4 176 627 A comprises a storage container for ice cubes, a stirring tool which is rotatable about an axis extending through the storage container, a grinding chamber which extends the storage container in the direction of the axis and one in the comminution chamber to the stirring tool coupled rotatable slide in the form of several parallel mounted on the axis blades, which in the course of its rotation in the crushing chamber infiltrated ice transported to a discharge opening and thereby possibly crushed.
  • the stirring tool is formed on a part of its length as a helix and on another, the output chamber adjacent part as a screw conveyor, so that by a rotation of the stirring ice pieces are conveyed into the crushing chamber.
  • Stirring tool coupled and always transported when the latter rotates, ice in the Crushing chamber. Therefore, the stirrer may only rotate when ice is to be dispensed. The period of time between successive actuations of the stirring tool can therefore be very long, and there is also the risk that pieces of ice in the storage chamber freeze and block the stirring tool.
  • a very powerful drive motor for the stirring tool can be provided, and the entire assembly can be designed with high mechanical strength to allow breakage of the pieces of ice even after prolonged disuse.
  • this approach is associated with considerable costs, and there is a risk that pieces of ice in the pantry undesirably minced become.
  • the larger the proportion of small fragments on the ice of the storage chamber the greater is its tendency to freeze, and the greater the force required to break the ice.
  • US 4 856 381 proposes to solve the problem of freezing by a stirring tool and a screw conveyor are mounted in the reservoir of an ice dispenser, separated from each other and each driven by its own motor.
  • the stirring tool can be actuated to separate the ice pieces from each other, without at the same time is issued by the screw auger ice.
  • a problem of this design is the large space requirement of the stirring tool and the separate screw conveyor and its drive motors, which makes this solution essentially only for commercial, exclusively for ice making devices interesting.
  • An object of the present invention is to provide a refrigerator with an ice dispenser, in which the freezing of stored pieces of ice can be reliably prevented and in which the ice dispenser nevertheless has a compact, cost-effective construction. Another object is to provide an assembly for such a refrigeration device. The object is achieved by a refrigeration device having the features of claim 1 or an assembly as specified in claim 17.
  • a refrigeration appliance having a housing enclosing an interior space, an assembly arranged in the interior and comprising a storage chamber for ice pieces and a stirring tool, which is rotatable about an axis extending through the storage chamber, to each other and to a piece of ice contained in the storage chamber
  • a closable flap between the storage chamber and the discharge passage is arranged, the possibility is created to operate the stirring tool, without simultaneously leading to the release of ice. That is, the agitator can depending on the state - open or closed - the flap for conveying and dispensing ice or for loosening stored in the reservoir ice pieces serve.
  • the closable flap is expediently part of the assembly.
  • the assembly preferably includes a crushing chamber housing tools for chopping the ice cubes.
  • the flap may be located between the pantry and the crushing chamber so that in the closed position it prevents ice from entering the crushing chamber; However, it may also be arranged between the crushing chamber and the output passage.
  • the second variant has the advantage that the closing of the flap, the output of ice is stopped immediately, whereas a flap mounted between the pantry and crushing chamber can not prevent that even before closing the flap in the crushing chamber reached ice even after closing the flap is still issued.
  • the flap disposed between the crushing chamber and the discharge passage is preferably arranged to form an opening in a circumferential surface of the Essentially cylindrical crushing chamber to close.
  • the latter preferably contains a slide rotatable about its cylinder axis.
  • the slider comprises a first set of fingers, and that in the dispensing chamber, a second set of fingers is provided, wherein at least one of the sets comprises at least two axially spaced fingers, and that in one
  • the fingers are preferably sharp-edged, especially in the form of knife blades executed.
  • the flap may also be pivotable about a first axis between its open and closed positions.
  • Such a flap is preferably lockable in its closed position by a self-locking mechanism.
  • Such a self-locking mechanism is easily realized by a pivotable arm about a second axis, wherein in a flap locking position of the arm an imaginary line connecting a flap-contacting point of the arm with the second axis, substantially parallel to the direction of movement of the Point of the arm is touched point of the flap in the unlocked state.
  • the Pivoting movement of the flap is driven by a rotation of the arm, wherein the flap always reaches a closed position corresponding end point of their freedom of movement, when the imaginary line is exactly parallel to the direction of movement of the touched point. Small deviations from parallelism are acceptable as long as they do not result in a noticeable open state of the flap in a locked state.
  • the arm can be freely rotatable about the second axis. This makes it possible, for example, to put the arm in the arresting position and back into a non-locking position by rotating in the same direction, which simplifies the drive of the arm movement.
  • the arm may be rotatable about the second axis between two stops at an angular interval. Then, while it is necessary to be able to change the direction of rotation of an arm drive, there is no need to monitor the position of the arm to detect when it is in the arresting position.
  • the angular interval in which the arm is rotatable expediently includes an orientation of the imaginary line exactly parallel to the direction of movement of the contact point of the flap.
  • the pivotable arm expediently engages in a gate formed on the flap.
  • Figure 1 is a schematic section through a household refrigerator, which is equipped with an assembly according to the invention.
  • FIG. 2 is a perspective view of a pantry of the assembly halved along a median plane
  • FIG. Fig. 3 is a perspective view of a complete assembly halved along the same plane
  • FIG. 4 shows a section through the crushing chamber of the assembly shown in Figure 3 with the flap closed ..;
  • FIG. 6 shows a section analogous to FIG. 4 according to a second embodiment
  • FIG. 7 shows a longitudinal section of the assembly according to a third embodiment
  • FIG. 10 shows a section through an enlarged detail of an assembly according to a fifth embodiment.
  • the refrigerating appliance shown in a schematic section in FIG. 1 has a heat-insulating body 1 and a door 2 which delimit an interior space 3.
  • the interior space 3 is maintained at a temperature below 0 ° C. by an evaporator which is accommodated in an evaporator chamber 4 divided off in the upper region of the body 1.
  • An automatic ice maker 5 is arranged in the immediate vicinity of the evaporator chamber 4 in the interior 3, so that it can preferably be acted upon by cold air from the evaporator chamber 4.
  • the ice maker 5 comprises in a known manner, not shown in detail in the figure, a plurality of mold containers, means for automatically dosing water into the mold containers and means for automatically ejecting the finished ice cubes from the mold containers.
  • an upwardly open storage chamber 6 of an assembly designed as assembly 7 is arranged, which receives the ejected pieces of ice.
  • the assembly 7 extends over a majority of the depth of the interior 3 and may for example be injection molded in one piece of plastic or assembled from a plurality of injection molded elements.
  • an electric motor for driving a stirring rod 9 is housed in a rear niche 8 of the assembly 7.
  • the electric motor may be permanently mounted in the refrigeration device, or it may be integrated into the assembly and be removable therewith.
  • the stirring rod 9 extends in the depth direction of the inner space 3 or in the longitudinal direction of the storage chamber 6 through the latter and through a comminution chamber 10 adjoining the storage chamber 6 and adjacent to the door 2.
  • the stirring rod 9 is a metal rod, which is bent in a zigzag shape in its section extending through the storage chamber 6 in a plane parallel to its axis of rotation. At the engaging into the crushing chamber 10 portion of the stirring rod 9 blades 11 of a grinder are attached so that they rotate with the rotation of the stirring rod 9.
  • the crushing chamber 10 has substantially the shape of a horizontal cylinder, in which the knife 11 carrying portion of the stirring rod 9 extends coaxially.
  • the knife 11 carrying portion of the stirring rod 9 extends coaxially.
  • four knives 1 1 are integrally formed on a knife disc 44, and a plurality of knife discs 44 are rotatably mounted one behind the other on the stirring rod 9.
  • two elastic buffer rings 45 spaced apart by a gap are arranged on the stirring rod (see FIG. 10).
  • knives 12 are housed, which are switchable between a rotatable together with the knives 11 state in which they act like this only as a slide for located in the crushing chamber 10 pieces of ice, and a stationary state in which they Co-mingle with the knives 11 located in the crushing chamber 10 ice.
  • the knives 12 are in the form of sharp-edged, approximately quarter-circular plates.
  • the plates are rigidly connected at their outer periphery by two transverse struts 46, and their tips facing the stirring rod 9 are clamped in the gaps between the buffer rings 45, as shown in FIG.
  • the clamping is so strong that the knife 12 are taken from the rotation of the rake 9, if they are not by a bolt 43 (see Figs. 4, 5), which engages an opening of the wall of the crushing chamber 10 on one of the transverse struts 46 are prevented.
  • a non-visible in Fig. 1 flap is attached, of which various embodiments are described in more detail below.
  • ice is transported from the storage chamber 6 into the crushing chamber 10 by a rotation of the stirring rod 9, optionally, depending on the position of the bolt 43, comminuted in the crushing chamber 10 and discharged into a passage 13 which extends through a Insulating material layer of the door 2 extends and opens into an open towards the outside of the door 2 niche 14.
  • Another flap 15 keeps the passage 13 normally closed to prevent the ingress of hot air into the interior 3; the flap 15 is opened only as long as the stirring rod 9 rotates to deliver ice through the passage 13 into a container placed in the recess 14.
  • a water tank 16 is embedded on the rear wall of the niche 14 in the insulating material of the door 2.
  • the water tank 16 is on the one hand as the icemaker 5 via a supply line 17 and a check valve 18 connected to the drinking water network and on the other hand to a tap 19 in the niche 14.
  • Fig. 2 shows a perspective view of a shell 20 of the assembly 7, which limits the storage chamber 6 together with a substantially mirror-symmetrical, not shown counterpart to her.
  • the niche 8 receiving the motor, not shown can be seen.
  • a recess on one of the niche 8 facing the rear wall 25 of the shell 20 forms together with its counterpart a circular window 21 which is provided to receive a substantially cylindrical coupling piece 22 rotatably.
  • the coupling piece 22 has on its front side facing the viewer in Fig. 2, a slot 23 into which an angled end portion 24 (see FIG. 3) of the stirring rod 9 can be inserted. Not shown recesses on the back of this coupling piece 22 allow a positive engagement of the motor.
  • the storage chamber 6 has a longitudinally sloping from the rear wall 25 to an end wall 26, in cross-section transverse to the axis of rotation of the stirring rod 9 semicircular Bottom 27.
  • the semicircular cross-sectional shape of the bottom 27 prevents pieces of ice from wedging in a corner of the storage chamber 6 and blocking the rotation of the stirring rod 9; the downward slope towards the end wall 26 causes pieces of ice displaced by the rotation of the stirring bar 9 to slip towards the end wall 26 and enter the crushing chamber 10, not shown in FIG. 2, through a circular window 28 formed therein.
  • a projecting from the front wall 26 forward pin 29 serves as a pivot axis for the already mentioned, the crushing chamber 10 occlusive flap.
  • Fig. 3 shows again the shell 20, the stirring rod 9 with the angled end portion 24 and the knives 1 1, 12, and, centered in half, a front housing part 30, which forms the walls of the crushing chamber 10.
  • a recess 31 formed in the end face of the housing part 30 above the crushing chamber 10 serves as a handle niche to facilitate removal of the assembly 7 from the interior 3.
  • Fig. 4 shows a section through the crushing chamber 10 transverse to the axis of rotation of the stirring rod 9, wherein the here designated 32, the crushing chamber 10 occlusive flap is shown in the closed position.
  • the flap 32 fills an opening formed in the cylindrical outer wall of the crushing chamber 10 exactly.
  • a rib 33 from which is extended to a pivotally mounted on the pin 29 arm 34.
  • the flap 32 is held in the closed position by a self-locking mechanism which is formed here by a cooperating with a slot acting as a slot 36 of the rib 33 toggle lever 35 (see FIG. 2).
  • the toggle lever 35 has two mutually collinear end portions 37, 38, of which the one 37 is rotatably supported in a recess, not shown, of the front housing part 30 and the other 38 is received in a slot 39 of the end wall 26.
  • Two lever arms 40 each connect the end sections 37, 38 with an eccentric section 41 of the toggle lever 35 extending through the slot 36.
  • Fig. 5 shows the crushing chamber 10 with the flap 32 open.
  • the toggle 35 is rotated relative to the position shown in Fig. 4 by 180 °, so that in the lower
  • Section of the crushing chamber 10 forms an opening 42 through which the output of
  • Flap 32 are exercised, so that they can possibly be opened even if it is frozen in places on the wall of the crushing chamber 10.
  • the knives 12 are fixed by the slidable latch 43 in a position bridging the opening 42, so that ice which has entered the crushing chamber 10 is crushed between the knives 11, 12 before it Opening 42 happened.
  • the latch 43 is pulled out of the crushing chamber 10
  • the blades 12 rotate together with the knives 11, so that pieces of ice which have passed through the simultaneous rotation of the stirring bar 9 into the crushing chamber 10 are intactly discharged through the opening 42.
  • FIG. 6 shows a section similar to FIG. 4 through the comminution chamber 10 according to a second embodiment of the invention.
  • the pivotable flap 32 is here replaced by a sliding flap 56.
  • the circular arcuate flap 56 is displaceable in grooves 57 on the end wall 26 of the shell 20 and the front housing part 30 (not shown in FIG. 6) between the position shown in which it covers the opening 42 of the crushing chamber 10 and an open position in which it is connected to a wall region of the comminuting chamber 10 adjacent to the opening 42 is applied.
  • Structure and function of the blades 11, 12 are the same as in the first embodiment.
  • Fig. 7 shows a schematic section through the assembly 7 according to a third embodiment of the invention. While a flap 32 and 56 was provided at an output of the crushing chamber 10 in the two embodiments described above, in the embodiment of Fig. 7, a flap 61 in the storage chamber 6 at the end wall 26 is vertically displaceable.
  • Fig. 8 shows a view of the end wall 26 seen from the interior of the storage chamber 6 ago. The flap 61 is shown in a raised, open position as a solid outline. Lateral edges 62 of the flap are guided in vertical grooves. In its lower half, the flap 61 has a rounded contour to match the course of the bottom 27 of the storage chamber 6.
  • a vertical slot 63 in the lower half of the flap 61 allows the flap 61 to extend beyond the window 28 of the end wall 26 Push rake 9 out down until it closes the window 28 in the position shown as a dotted outline substantially.
  • the end wall 26 may be provided with a web 64 projecting from below into the window 28, which fills the slot 63 when the flap 61 is in the lowered, closed position.
  • FIG. 9 shows a schematic illustration, similar to FIG. 7, of the assembly according to a fourth embodiment of the invention.
  • the height of the storage chamber 6 is reduced compared to the embodiment of FIG. 7, so that it is not possible to raise a window 28 of the end wall 26 occlusive flap 61 in a straight line to open the window 28.
  • the flap 61 is therefore provided in the embodiment of FIG. 9 at its edges in each case with two projecting pins 65, which are shown in FIG. 9 schematically shown as dashes, curved grooves 66, 67.
  • the course of the grooves 66, 67 is set so that the flap 61 from its the window 28th closing, vertical position on a curved path in a continuously weaker inclined position passes.
  • Fig. 10 shows a section through the crushing chamber 10 and its surroundings according to a fifth embodiment of the assembly 7.
  • a receiving chamber 70 is formed for a flap 71, which is similar to a roller shutter from a variety of longitudinal stiffeners, mutually flexibly connected webs 72 is composed.
  • the webs 72 may be integrally with each other and z. B. be connected by film hinges. They are guided in two opposing grooves 73 of the two shells 20, each having a substantially horizontal leg 74 within the receiving chamber 70 and a vertical leg 75 extending in front of the window 28 of the end wall 26.
  • the stirring bar 9 therefore has a highly eccentric portion 76 in the plane defined by the vertical legs 75, and rotation of the stirring bar 9 is always terminated in an orientation in which the eccentric portion 76 is at the highest point of its path, as in FIG Fig. 10 is shown. Also, in this position, the stirring rod 9 does not interfere with the closing of the flap 71, and no slot-weakening slot such as the slot 63 of Fig. 8 is required to allow the flap 71 to close.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

Appareil réfrigérant comprenant un boîtier renfermant un espace interne, et un module (7) est logé dans l'espace interne et qui comporte un compartiment (6) pour des morceaux de glace et un agitateur (9). L'agitateur (9) tourne autour d'un axe traversant le compartiment (6) pour bouger les morceaux de glace les uns par rapport aux autres dans le compartiment (6) et les déplacer jusqu'à un passage de distribution traversant le boîtier. Un volet (32) pouvant être fermé est placé entre le compartiment (6) et le passage de distribution.
EP07847286.7A 2006-12-22 2007-11-22 Appareil réfrigérant doté d'un distributeur de glace Not-in-force EP2126489B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006061079A DE102006061079A1 (de) 2006-12-22 2006-12-22 Kältegerät mit Eisspender und Baugruppe dafür
PCT/EP2007/062719 WO2008077704A2 (fr) 2006-12-22 2007-11-22 Appareil réfrigérant doté d'un distributeur de glace et module

Publications (2)

Publication Number Publication Date
EP2126489A2 true EP2126489A2 (fr) 2009-12-02
EP2126489B1 EP2126489B1 (fr) 2017-11-08

Family

ID=39431656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07847286.7A Not-in-force EP2126489B1 (fr) 2006-12-22 2007-11-22 Appareil réfrigérant doté d'un distributeur de glace

Country Status (5)

Country Link
US (1) US9459035B2 (fr)
EP (1) EP2126489B1 (fr)
CN (1) CN101573572B (fr)
DE (1) DE102006061079A1 (fr)
WO (1) WO2008077704A2 (fr)

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DE102015222731A1 (de) * 2015-11-18 2017-05-18 BSH Hausgeräte GmbH Kältegerät mit Wasserzuführung
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WO2019135111A1 (fr) * 2018-01-08 2019-07-11 Ram Prakash Sharma Ensemble et boîtier rotatifs de machine à glaçons, ensemble rotatif de machine à glaçons, machine à glaçons et procédés associés
CN110617658A (zh) * 2018-06-20 2019-12-27 佛山市顺德区美的饮水机制造有限公司 满冰错误处理方法及装置、制冰机、存储介质
US11859889B2 (en) * 2018-06-29 2024-01-02 Snowie LLC Ice shaving machine
US20200319677A1 (en) * 2018-10-24 2020-10-08 Clay Canning Screen protector with engraved image
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DE102019005688A1 (de) * 2019-08-13 2021-02-18 Emz-Hanauer Gmbh & Co. Kgaa Vorrichtung zur Bereitstellung von wahlweise zerkleinertem oder unzerkleinertem Eis
CN111059816A (zh) * 2019-09-26 2020-04-24 杭州为我健康新零售科技有限公司 适用于蜂蜜饮品贩卖机的制冰系统和制冰方法
CN117213130A (zh) * 2022-06-02 2023-12-12 重庆海尔制冷电器有限公司 制冰装置及具有其的冰箱

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Also Published As

Publication number Publication date
WO2008077704A3 (fr) 2008-09-18
EP2126489B1 (fr) 2017-11-08
CN101573572B (zh) 2013-10-16
US20100024461A1 (en) 2010-02-04
CN101573572A (zh) 2009-11-04
WO2008077704A2 (fr) 2008-07-03
DE102006061079A1 (de) 2008-06-26
US9459035B2 (en) 2016-10-04

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