EP1579906B1 - Réfrigérateur avec générateur de liquide gazifié au dioxyde de carbone - Google Patents

Réfrigérateur avec générateur de liquide gazifié au dioxyde de carbone Download PDF

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Publication number
EP1579906B1
EP1579906B1 EP05006581A EP05006581A EP1579906B1 EP 1579906 B1 EP1579906 B1 EP 1579906B1 EP 05006581 A EP05006581 A EP 05006581A EP 05006581 A EP05006581 A EP 05006581A EP 1579906 B1 EP1579906 B1 EP 1579906B1
Authority
EP
European Patent Office
Prior art keywords
carbon dioxide
liquid supplying
carbonated liquid
water
supplying unit
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 - Fee Related
Application number
EP05006581A
Other languages
German (de)
English (en)
Other versions
EP1579906A1 (fr
Inventor
Jin Soo Kim
Yong Deok Jeon
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics Co Ltd
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
Priority claimed from KR1020040020710A external-priority patent/KR20050095347A/ko
Priority claimed from KR1020040020703A external-priority patent/KR20050095340A/ko
Application filed by Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of EP1579906A1 publication Critical patent/EP1579906A1/fr
Application granted granted Critical
Publication of EP1579906B1 publication Critical patent/EP1579906B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2321—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
    • B01F23/23352—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas moving perpendicular to the axis of rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23365—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced at the radial periphery of the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/236—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids specially adapted for aerating or carbonating beverages
    • B01F23/2362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids specially adapted for aerating or carbonating beverages for aerating or carbonating within receptacles or tanks, e.g. distribution machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/32015—Flow driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/32045—Hydraulically driven
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler

Definitions

  • the present invention relates to a refrigerator; and, more particularly, a refrigerator including a carbonated liquid supplying unit with a simpler structure capable of producing and dispensing carbonated liquid with ease.
  • U.S. Patent No. 4,866,949 discloses a conventional carbonated liquid supplying system for use in a refrigerator.
  • a carbonator unit is located interiorally of and enveloped by an evaporator unit 50 of a closed cycle refrigerator system separate and apart from the main refrigeration system of a refrigerator 10 and which also includes a condenser 52 located in a freezer compartment 12.
  • the reason why the carbonator unit is located in the evaporator unit 50 is that it is preferable to maintain the carbonator unit at a low temperature for keeping the carbon dioxide dissolved in water since solubility of the carbon dioxide becomes greater as temperature thereof decreases and pressure increases.
  • the separate refrigeration system including the condenser 52 and the evaporator 50 for dispensing a chilled carbonated liquid such as water or beverage from the front door of the refrigerator, so that the arrangements thereof are complicated. As a result, the manufacturing processes thereof are increased, thereby resulting in an increase in the production cost.
  • DE 199 57 081 A discloses a refrigerator comprising a carbonated liquid supplying unit whereby the carbonated liquid supplying unit includes a venturi element for introducing the CO 2 into the water.
  • US-A-4 866 949 shows the features of the preamble of claim 1.
  • a combined evaporator-carbonator unit is located in the front door of the refrigerator.
  • the evaporator-carbonator unit comprises a water tank having a still water inlet connected with a still water tank and a carbonated gas inlet connected with a carbon dioxide source.
  • EP 0 919 518 A discloses a carbonator to produce carbonated water.
  • the carbonator comprises a container having a liquid inlet for supplying liquid into the container and a carbon dioxide inlet for supplying carbon dioxide into the container.
  • a pump impeller is located inside the container which may be driven to pump carbonated water from the container to an outlet tube.
  • a vane is attached to the pump impeller so that it rotates with it to agitate the water within the tank to assist in the absorption of carbon dioxide.
  • US 5,842,600 discloses a tankless beverage water carbonation apparatus, wherein carbonated beverage water is prepared on flow demand by a process that combines respective flow streams of water and carbon dioxide in a mixing venturi. Downstream of the venturi, the mixture of water and carbon dioxide is passed through a static mixer prior to dispenser discharge.
  • an object of the present invention to provide a refrigerator including a carbonated liquid supplying unit with a simpler structure capable of producing and dispensing carbonated liquid with ease.
  • Fig. 2 illustrates a schematic diagram of a carbonated liquid supplying unit 110 for use in a refrigerator in accordance with a first preferred embodiment of the present invention.
  • carbon dioxide is dissolved into chilled water to produce carbonated water which is supplied to a user through a dispenser 112 installed at a door 115 for a freezer compartment.
  • the chilled water is fed through a water feeding line 114 from a water tank provided in a refrigeration compartment to a nozzle 116 of the dispenser 112.
  • the water feeding line 114 is also connected to the carbonated liquid supplying unit 110 provided in the door 115, so that water is also supplied to the carbonated liquid supplying unit 110 through a first inlet thereof. Since the carbonated liquid supplying unit 110 is provided in the freezer compartment door 115, the temperature thereof is decreased by the cooled air in the freezer compartment without using any separate refrigeration system and, therefore, solubility of the carbon dioxide is increased.
  • Electrically controlled check valves 120 and 122 are provided on the line 114 to selectively feed water to the dispenser 112 or the carbonated liquid supplying unit 110.
  • a carbon dioxide supply source 117 for containing liquefied or compressed carbon dioxide is provided in the door 115, and the carbon dioxide is fed through a carbon dioxide feeding line 118 to the carbonated liquid supplying unit 110. Also, a controllable check valve 121 is provided on the line 118 in order to selectively supply carbon dioxide to the carbonated water supplying unit 110.
  • the carbonated liquid supplying unit 110 includes a sandglass-shaped container 130 having an upper and a lower portion 130A and 130B, a porous plate 134 provided in the lower portion 130B and an agitating unit 135 installed on the porous plate 134.
  • the porous plate 134 is supported by an annular support member 133 protruding from the inner surface of the lower portion 130B of the container 130.
  • the upper and the lower portion 130A and 130B of the container 130 are integrally formed, they may be flange-coupled to each other by using bolts (not shown).
  • the agitating unit 135 serves to facilitate the dissolution of carbon dioxide into water in the lower portion 130B.
  • the agitating unit 135 is constituted by a rotatable member, e.g., rotatable blades.
  • the rotatable blades 135 are rotatably installed on the porous plate 134 at an approximately same level as that of a second inlet of the lower portion 130B through which carbon dioxide under pressure (of, e.g., 1 to 10 atmospheres) fed via the line 118 is injected into the lower portion 130B of the container 130, so that the rotatable blades 134 are rotated by the carbon dioxide injected thereonto.
  • the agitating unit i.e., by the rotation of the blades 135, the carbon dioxide injected thereonto spreads to be substantially uniformly distributed in the water remaining on the porous plate 134. Therefore, the contact of carbon dioxide with water is increased, so that the dissolution of the carbon dioxide into the water is facilitated.
  • the carbonated water thus produced passes through pores of the porous plate 134 to be supplied to the user through, in turn, a carbonated liquid supplying line 123 and a carbonated liquid supplying nozzle 119 of the dispenser 112.
  • a controllable check valve 137 is provided on the line 123 to selectively supply the carbonated water to the nozzle 119.
  • the sandglass-shaped container 130 since the sandglass-shaped container 130 has the upper portion 130A and the lower portion 130B which communicate with each other through a narrow passageway 130C, the water in the lower portion 130B is suppressed from flowing back into the upper portion 130A by the pressure of carbon dioxide injected into the lower portion 130B. Further, as the pressure in the lower portion 130B increases, the dissolution of the carbon dioxide into the water becomes increased.
  • Fig. 4 illustrates a schematic diagram of a carbonated liquid supplying unit 210 for use in a refrigerator in accordance with a second preferred embodiment of the present invention.
  • the components identical to those in the first embodiment are presented by like reference numerals, and detailed descriptions thereon will be omitted.
  • the carbonated liquid supplying unit 210 of the second embodiment includes a tubular main body 230 and a connection body 231.
  • the tubular main body 230 includes an upper section 230A, a lower section 230C and an intermediate section 230B connecting them with each other.
  • the upper section 230A has a first inner space with a portion that gradually narrows in a water flowing direction, e.g., from a certain position spaced apart from the top end of the upper section 230A to the intermediate section 230B.
  • the intermediate section 230B has a second inner space with a diameter substantially same as that of the end of the gradually narrowing portion of the first inner space of the upper section 230A.
  • the lower section 230C has a third inner space with a portion that is gradually enlarged in the water flowing direction, e.g., from an end thereof contacting with the intermediate section 203B to a certain position spaced apart from the other end thereof.
  • the bottom end of the tubular main body 230 is connected through the line 123 to the nozzle 119 of the dispenser 112.
  • connection body 231 One end of the connection body 231 is connected to the intermediate section 230B of the tubular main body 230 such that the inner space thereof communicates with an inlet hole of the intermediate section 230B.
  • the other end of the connection body 231 is connected to the carbon dioxide feeding line 118. Carbon dioxide fed via the line 118 is injected into the tubular main body 230 through the connection body 231 and the inlet hole of the intermediate section 230B to be dissolved into water flowing in the tubular main body 230.
  • the connection body 231 has an inner space with a portion that gradually narrows to the inlet hole of the intermediate section 230B.
  • the tubular main body 230 has a configuration of a venturi tube, in terms of water flowing in the tubular main body 230, the pressure at the intermediate section 230B is lower than that at the upper section 230A while the velocity at the intermediate section 230B is greater than that at the upper section 230A. Accordingly, the water can be prevented from flowing back due to the carbon dioxide injected into the tubular main body 230 and the dissolution of the carbon dioxide into the water can be facilitated.
  • the lower section 230C has at least one, e.g., four, partition walls 233 extended downwardly along0 the inner surface thereof, so that the flow of the carbonated water is subject to resistance of the partition walls 233, thereby facilitating the dissolution of the carbon dioxide into the water.
  • carbonated liquid supplying unit of the present invention without using a separate refrigeration system for cooling the carbonated liquid supplying unit, carbonated liquid can be obtained with a simpler structure, thereby decreasing the production cost thereof.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Dispensing Beverages (AREA)

Claims (4)

  1. Réfrigérateur comprenant un ensemble (110) d'alimentation en liquide gazeux, où l'ensemble (110) d'alimentation en liquide gazeux comprend un récipient (130) ayant une première entrée à travers laquelle du liquide est fourni audit récipient, à partir d'un réservoir de liquide (113), et une deuxième entrée (136) par laquelle du gaz carbonique, provenant d'une source (117) d'alimentation en gaz carbonique, est injecté dans le liquide,
    caractérisé en ce que l'ensemble (110) d'alimentation en liquide gazeux comprend en outre :
    - un ensemble agitateur (135) prévu dans le récipient (130), pour faciliter la dissolution du gaz carbonique injecté par la deuxième entrée (136), dans du liquide fourni dans le récipient (130) ;
    où l'ensemble agitateur (135) est installé sur une plaque poreuse (134) prévue au niveau d'une position espacée d'une paroi de fond du récipient (130).
  2. Réfrigérateur selon la revendication 1, dans lequel le récipient (130) comprend une partie supérieure (130A) comportant la première entrée, et une partie inférieure (130B) comportant la deuxième entrée (136), les parties supérieure et inférieure (130A, 130B) communiquant entre elles à travers un passage étroit (130C) ; et l'ensemble agitateur (135) est prévu dans la partie inférieure (130B).
  3. Réfrigérateur selon la revendication 1 ou 2, dans lequel l'ensemble agitateur (135) est un élément rotatif, et l'élément rotatif est tourné par du gaz carbonique injecté sur ledit élément rotatif, à travers la deuxième entrée (136).
  4. Réfrigérateur selon la revendication 3, dans lequel l'élément rotatif comprend une pluralité de palettes rotatives.
EP05006581A 2004-03-26 2005-03-24 Réfrigérateur avec générateur de liquide gazifié au dioxyde de carbone Expired - Fee Related EP1579906B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR2004020703 2004-03-26
KR1020040020710A KR20050095347A (ko) 2004-03-26 2004-03-26 냉장고용 탄산수 공급장치
KR2004020710 2004-03-26
KR1020040020703A KR20050095340A (ko) 2004-03-26 2004-03-26 탄산수 디스펜서를 구비한 냉장고

Publications (2)

Publication Number Publication Date
EP1579906A1 EP1579906A1 (fr) 2005-09-28
EP1579906B1 true EP1579906B1 (fr) 2007-05-16

Family

ID=34863633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05006581A Expired - Fee Related EP1579906B1 (fr) 2004-03-26 2005-03-24 Réfrigérateur avec générateur de liquide gazifié au dioxyde de carbone

Country Status (2)

Country Link
EP (1) EP1579906B1 (fr)
DE (1) DE602005001127T2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1974802A1 (fr) * 2007-03-29 2008-10-01 Electrolux Home Products Corporation N.V. Distributeur de boissons fraîches pour une utilisation domestique, réfrigérateur équipé d'un tel distributeur
DE202007014888U1 (de) * 2007-10-05 2009-02-19 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
CN103025644B (zh) * 2010-05-18 2017-07-25 伊莱克斯公司 饮品分配系统及其方法
WO2013055869A1 (fr) 2011-10-11 2013-04-18 Flow Control Llc. Chambre de carbonatation à la demande en ligne réglable pour boisson
WO2014041539A2 (fr) 2012-09-13 2014-03-20 Strauss Water Ltd. Appareil de distribution de boissons comprenant un système de carbonatation
KR102005453B1 (ko) * 2013-02-28 2019-07-30 삼성전자주식회사 냉장고 및 그 제어방법
US10183260B2 (en) 2014-02-06 2019-01-22 Strauss Water Ltd. Carbonation unit and process for carbonating a beverage
EP2963366B1 (fr) 2014-07-04 2018-10-24 LG Electronics Inc. Appareil de production d'eau gazéifiée, réfrigérateur le comprenant et procédé pour le commander
TR201703440A2 (tr) * 2017-03-07 2018-09-21 Arcelik As Bi̇r dağitim ci̇hazi i̇çeren soğutucu

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866949A (en) * 1988-11-15 1989-09-19 The Coca-Cola Company Carbonated liquid refrigeration system
JPH02306078A (ja) * 1989-05-20 1990-12-19 Higuchi Misako ドライアイスを使用した携帯用冷凍冷蔵庫及び炭酸飲料水製造装置付携帯用冷凍冷蔵庫
JPH02309166A (ja) * 1989-05-22 1990-12-25 Higuchi Misako ドライアイスを使用した携帯用冷凍冷蔵庫及び炭酸飲料水製造装置付携帯用冷凍冷蔵庫
US5842600A (en) * 1996-07-11 1998-12-01 Standex International Corporation Tankless beverage water carbonation process and apparatus
GB2332154B (en) * 1997-11-29 2001-08-29 Imi Cornelius Provision of carbonated beverages
DE19957081A1 (de) * 1999-11-28 2001-05-31 Spiegel Margret Mischarmatur mit Brauseauslauf oder Normalauslauf auch schwenkbar mit mindestens ein Kalt- und Warmwasseranschluss, mit Eingriff oder Zweigriff Bedienteil sowie einen neuartigen Duschauslauf der die Entnahme von Sodawasser ermöglicht

Also Published As

Publication number Publication date
EP1579906A1 (fr) 2005-09-28
DE602005001127T2 (de) 2007-09-13
DE602005001127D1 (de) 2007-06-28

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