EP1645825B1 - Réfrigérateur ménager avec distributeur d'eau - Google Patents

Réfrigérateur ménager avec distributeur d'eau Download PDF

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Publication number
EP1645825B1
EP1645825B1 EP20040104868 EP04104868A EP1645825B1 EP 1645825 B1 EP1645825 B1 EP 1645825B1 EP 20040104868 EP20040104868 EP 20040104868 EP 04104868 A EP04104868 A EP 04104868A EP 1645825 B1 EP1645825 B1 EP 1645825B1
Authority
EP
European Patent Office
Prior art keywords
water
reservoir
refrigerator
refrigerator according
water supply
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
EP20040104868
Other languages
German (de)
English (en)
Other versions
EP1645825A1 (fr
Inventor
Salvatore De Caprio
Anna Fusi
Stefano Tavolazzi
Tony Koeningsknecht
Giuseppina Arresta
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.)
Whirlpool Corp
Original Assignee
Whirlpool Corp
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 Whirlpool Corp filed Critical Whirlpool Corp
Priority to EP20040104868 priority Critical patent/EP1645825B1/fr
Priority to ES04104868T priority patent/ES2395274T3/es
Priority to MXPA05010699 priority patent/MXPA05010699A/es
Priority to BRPI0504309 priority patent/BRPI0504309A/pt
Publication of EP1645825A1 publication Critical patent/EP1645825A1/fr
Application granted granted Critical
Publication of EP1645825B1 publication Critical patent/EP1645825B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • 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
    • 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
    • F25D23/02—Doors; Covers
    • F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/122—General constructional features not provided for in other groups of this subclass the refrigerator is characterised by a water tank for the water/ice dispenser

Definitions

  • the present invention relates to a refrigerator having a water dispenser assembly comprising a cool water tank installed inside the refrigerator and a water supply pump supplying cool water from the cool water tank to the outside of the refrigerator.
  • a refrigerator of this kind is disclosed by JP-A-2002006014 .
  • Another refrigerator of this kind is disclosed by JP 03 094885 A where water in a water supply tank is allowed to flow through a water flowing pipe where contaminants are removed by the cleaning action of the porous membrane of a water purifying filter and activated carbon.
  • refrigerators are directly connected to a water supply network installed outside the refrigerator, and one of them is disclosed by GB-A-2329460 .
  • Another refrigerator of this kind is disclosed by EP-A-0 779 485 where a water purifier and a solenoid valve are interposed between the connection to water supply network and a water receptacle placed inside the refrigerating compartment.
  • the above present situation does create problems when the user has to move the refrigerator from one position to another or from one house to another, since in the new environment the refrigerator of the second kind (automatic) may not be connectable to plumbing. In this case the user has to use the refrigerator as a traditional one without the water dispenser.
  • Another problem is on the appliance producer side, since it has to design and to store in warehouses two different products, with problems in managing an higher number of products and spare parts, with related higher cost of products.
  • a further problem with refrigerators connected to plumbing is an uneven flow rate of supplied water due to variable pressure in the plumbing.
  • One of the main advantages of a refrigerator according to the present invention is to offer users the choice of manual and plumbed version, depending on the availability of plumbing in their homes, thanks to an "all in one solution".
  • the user has therefore the possibility of using the water dispenser either when connected to an external water network or when such connection cannot be made. All components for both configurations (auto/manual) are in the product; and no change to the product is required by the customer or by a technician.
  • Another advantage is that for both configurations (automatic or manual filling), the water is always filtered.
  • the water tank or reservoir is removable for cleaning and refilling also for automatic system, while in the known automatic solutions the reservoir cannot be easily removed or cleaned.
  • a refrigerator 10 is provided with a door 12 having, on its front face, a water supply port 14 for pouring cool water from a water supply pump 15.
  • the pump 15 is connected to a water reservoir 20 with a cap 20a that is filled automatically by an electro-valve 21, which is plumbed to a home water network N.
  • the electro-valve 21 is activated by a high level sensor 23 associated to the water reservoir 20 until this latter is filled.
  • the high level sensor 23 detects a 'reservoir full' condition and the electro-valve 21 is deactivated by a control board 28 of the refrigerator 10.
  • the water pump 15 is activated when the user actuates the water dispenser by acting on a paddle switch (not shown) associated to the water port 14.
  • the water pump 15 pulls water from the reservoir 20 and forces the flow of water through a water filter 26.
  • the filtered water flows through a check valve 27 to the water supply port 14 where the user's water container is filled. When the container is filled the consumer pulls away from the water dispenser paddle and the pump 15 is deactivated.
  • the check valve 27 prevents water drips at the water port 14 and prevents air from reentering the system, in order to avoid bacteria growth inside of the water filter 26.
  • the reservoir 20 is automatically filled by the electro-valve 21 when the high-level sensor 23 detects a 'low water' condition.
  • a low level sensor 24 detects a 'empty reservoir' condition and terminates the activation of the pump 15.
  • a dual water level sensing is used for automatic fill, according to which the high level does control the electro-valve 21, while the low level controls the pump 15, which is also controlled by the paddle switch.
  • the electro-valve 21 is deactivated by the user using a switch 30. Then the user can manually fill the system.
  • the water reservoir 20 is removable for manual filling and cleaning and is filled by the consumer as needed.
  • the reservoir presence is detected by a reservoir switch 29 to prevent the system from being operated without a reservoir.
  • the high level sensor 23 in the "manual" condition is not used.
  • the water pump 15 is activated when the user actuates the water dispenser paddle switch.
  • the water pump 15 pulls water from the reservoir 20 and forces the flow of water through the water filter 26.
  • the filtered water flows through the check valve 27 to the water port 14 of the water dispenser where the consumer's water container is filled.
  • the pump 15 is deactivated.
  • the low-level sensor 24 detects a 'empty reservoir' condition and terminates activation of the pump 15. In this case the customer needs to refill the reservoir 20 to continue using the system.
  • the water reservoir 20 is removably installed in the upper part of a door shelf S.
  • the shelf has a bottom double-walled portion F where the filter 26, the pump 15 and the electro-valve 21 are installed.
  • the water reservoir 20 is removed from the shelf S.
  • the filter 26 is provided with a cylindrical removable cartridge 26a that can be removed laterally from the bottom portion F of the shelf S.
  • the water reservoir 20' is box shaped and it is installed in a seat K in the bottom portion F of the door shelf S.
  • the upper portion of the shelf S has a recess C for containing bottles and/or food products, as an usual door shelf.
  • the reservoir 20' can be easily removed from its seat K in the bottom portion F of the door shelf, and the whole shelf S can be removed from the door for adjusting its position or for cleaning or maintenance purposes.
  • the water pump 15 and the electro-valve 21 can be installed in another part of the refrigerator 10, and only the filter 26, whose cartridge 26a is shown in an unloading condition, is contained in the shelf S.
  • the embodiment shown in figure 4 is similar to the one shown in figure 3 , with a smaller water reservoir 20" and a box-shaped container 32 which is removably installed in a seat 32a of the bottom portion F of the shelf S and which is used for containing the water pump and/or the electro-valve.
  • the hydraulic connections between the above components and with the rest of the hydraulic circuit is obtained by means of well known quick fastening means which do not need to be described here in detail.
  • the water reservoir is placed between two door shelves, next to a vertical container for the filter.
  • the vertical water reservoir 20'" has an elongated shape and has a L-shaped cross section corresponding to the external shape of a container 34 for the filter 26. Therefore the reservoir 20'" can be shape-lockingly mounted on the container 34. As shown in figure 6 , the reservoir 20''' can be easily removed from the container 34 for its refilling. For replacing the cartridge 26a of the filter 26, the upper shelf S' has to be removed from the door of the refrigerator.
  • the reservoir 20"" has a quadrangular cross-section and it is shape-lockingly inserted in a C-shaped container 34' for the filter 26.
  • the container 34 or 34' can contain other components of the water dispenser assembly, like the valve 21 and/or the water pump 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (12)

  1. Réfrigérateur (10) ayant un ensemble distributeur d'eau comprenant un réservoir d'eau froide installé à l'intérieur du réfrigérateur et une pompe d'alimentation en eau acheminant l'eau froide du réservoir à l'extérieur du réfrigérateur, le réservoir d'eau froide (20, 20', 20", 20"', 20"") étant raccordé à une vanne d'alimentation en eau (21) qui est à même d'être raccordée à un réseau d'eau externe (N) de sorte que l'ensemble distributeur d'eau puisse être utilisé soit avec de l'eau fournie manuellement par l'utilisateur au réservoir (20, 20', 20", 20"', 20""), soit avec de l'eau fournie automatiquement par le réseau d'eau externe (N), caractérisé en ce que la vanne d'alimentation en eau (21) est à même d'être désactivée par l'utilisateur en utilisant un commutateur (30) si le réfrigérateur (10) ne doit pas être raccordé au réseau d'eau externe (N).
  2. Réfrigérateur selon la revendication 1, caractérisé en ce que des moyens de filtration (26, 26a) sont intercalés entre la pompe d'alimentation en eau (15) et un orifice d'alimentation en eau (14).
  3. Réfrigérateur selon la revendication 2, caractérisé en ce que le réservoir d'eau froide (20, 20' , 20", 20''', 20"") est pourvu d'un capteur de haut niveau (23) qui est à même d'activer la vanne d'alimentation en eau (21) lorsque le niveau du réservoir est inférieur à un niveau prédéterminé, dans une configuration automatique de l'ensemble distributeur d'eau.
  4. Réfrigérateur selon la revendication 2, caractérisé en ce que le réservoir (20, 20', 20" , 20"', 20"") est pourvu d'un capteur de bas niveau (24) qui est à même d'interrompre la pompe d'alimentation en eau (15) lorsque le niveau du réservoir est inférieur à un bas niveau prédéterminé.
  5. Réfrigérateur selon l'une quelconque des revendications 2 à 4, caractérisé en ce que, en aval de l'orifice d'alimentation en eau (14), l'ensemble distributeur d'eau est pourvu d'une vanne d'arrêt (27) pour empêcher l'eau de goutter au niveau de l'orifice d'alimentation en eau (14).
  6. Réfrigérateur selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les moyens de filtration (26, 26a) et le réservoir d'eau froide (20' , 20" , 20"', 20"") sont installés sur une porte (12) du réfrigérateur, sur sa face arrière.
  7. Réfrigérateur selon la revendication 6, caractérisé en ce que les moyens de filtration (26, 26a) et le réservoir (20, 20', 20", 20"', 20'''') sont installés de manière amovible sur une étagère (S) de la porte (12).
  8. Réfrigérateur selon la revendication 7, caractérisé en ce que le réservoir (20', 20") est installé sur un siège (K) d'une partie inférieure (F) de l'étagère (S).
  9. Réfrigérateur selon la revendication 7 ou 8, caractérisé en ce que les moyens de filtration comprennent une cartouche enlevable (26a) qui peut être retirée de l'étagère (S, F).
  10. Réfrigérateur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un capteur (29) pour détecter la présence du réservoir d'eau froide (20, 20', 20", 20"', 20""), ce capteur fournissant un signal à une unité de commande (28) lorsque le réservoir (20, 20', 20", 20"', 20"") a été retiré par l'utilisateur, ce qui coupe la pompe d'alimentation en eau (15) et la soupape d'alimentation en eau (21).
  11. Réfrigérateur selon la revendication 6, caractérisé en ce que les moyens de filtration (26, 26a) et le réservoir d'eau (20"', 20"") sont installés de manière amovible entre deux étagères (S, S') de la porte (12).
  12. Réfrigérateur selon la revendication 11, caractérisé en ce que le réservoir (20"', 20"") est monté par verrouillage de forme sur un récipient vertical (34, 34') pour les moyens de filtration (26, 26a).
EP20040104868 2004-10-05 2004-10-05 Réfrigérateur ménager avec distributeur d'eau Expired - Fee Related EP1645825B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20040104868 EP1645825B1 (fr) 2004-10-05 2004-10-05 Réfrigérateur ménager avec distributeur d'eau
ES04104868T ES2395274T3 (es) 2004-10-05 2004-10-05 Frigorífico doméstico con un conjunto dispensador de agua
MXPA05010699 MXPA05010699A (es) 2004-10-05 2005-10-04 Refrigerador domestico con ensamble distribuidor de agua.
BRPI0504309 BRPI0504309A (pt) 2004-10-05 2005-10-05 refrigerador

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040104868 EP1645825B1 (fr) 2004-10-05 2004-10-05 Réfrigérateur ménager avec distributeur d'eau

Publications (2)

Publication Number Publication Date
EP1645825A1 EP1645825A1 (fr) 2006-04-12
EP1645825B1 true EP1645825B1 (fr) 2012-11-21

Family

ID=34929661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040104868 Expired - Fee Related EP1645825B1 (fr) 2004-10-05 2004-10-05 Réfrigérateur ménager avec distributeur d'eau

Country Status (4)

Country Link
EP (1) EP1645825B1 (fr)
BR (1) BRPI0504309A (fr)
ES (1) ES2395274T3 (fr)
MX (1) MXPA05010699A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0902419B1 (pt) 2009-06-29 2021-02-02 Electrolux Do Brasil Sa refrigerador
KR101403754B1 (ko) * 2012-07-04 2014-06-03 엘지전자 주식회사 냉장고
KR101609438B1 (ko) * 2014-02-11 2016-04-05 엘지전자 주식회사 냉장고
CN113405310B (zh) * 2020-03-16 2023-03-17 青岛海尔电冰箱有限公司 供水装置及具有其的冰箱
CN113405309A (zh) * 2020-03-16 2021-09-17 青岛海尔电冰箱有限公司 供水装置及具有其的冰箱

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354272A (en) * 1941-07-07 1944-07-25 Kinney I Miller Cool water reservoir for refrigerators
US2299103A (en) * 1941-07-07 1942-10-20 Kinney I Miller Cool water reservoir for refrigerators
US3208641A (en) * 1963-09-09 1965-09-28 Leroy D Brugioni Water container for refrigerator door
JP2542528B2 (ja) * 1989-07-12 1996-10-09 横浜ゴム株式会社 飲料水ディスペンサ
JPH0394885A (ja) 1989-09-05 1991-04-19 Toshiba Corp 浄水装置
US5290442A (en) * 1991-09-24 1994-03-01 Clack Corporation Self-contained, purified drinking water refrigerator storage apparatus
KR0160414B1 (ko) 1995-12-12 1999-01-15 김광호 냉장고의 자동음료 보충장치
KR100246399B1 (ko) 1997-09-23 2000-04-01 구자홍 냉장고용 디스펜서어셈블리 및 그 제어방법
JP2002006014A (ja) 2000-06-22 2002-01-09 Fuji Electric Co Ltd 磁気センサ
IT250457Y1 (it) * 2000-09-26 2003-09-10 Whirlpool Co Erogatore d'acqua refrigerata per frigoriferi domestici
JP2002115960A (ja) * 2000-10-04 2002-04-19 Hitachi Ltd 冷蔵庫
KR100432752B1 (ko) * 2002-05-31 2004-05-24 엘지전자 주식회사 냉장고

Also Published As

Publication number Publication date
ES2395274T3 (es) 2013-02-11
EP1645825A1 (fr) 2006-04-12
BRPI0504309A (pt) 2006-05-16
MXPA05010699A (es) 2006-04-18

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