WO2009030055A2 - Cartouche filtrant l'eau destinée à un réservoir d'eau et machine à boissons équipée d'un réservoir d'eau et d'une cartouche filtrante - Google Patents

Cartouche filtrant l'eau destinée à un réservoir d'eau et machine à boissons équipée d'un réservoir d'eau et d'une cartouche filtrante Download PDF

Info

Publication number
WO2009030055A2
WO2009030055A2 PCT/CH2008/000346 CH2008000346W WO2009030055A2 WO 2009030055 A2 WO2009030055 A2 WO 2009030055A2 CH 2008000346 W CH2008000346 W CH 2008000346W WO 2009030055 A2 WO2009030055 A2 WO 2009030055A2
Authority
WO
WIPO (PCT)
Prior art keywords
filter cartridge
water
water tank
water filter
outlet
Prior art date
Application number
PCT/CH2008/000346
Other languages
German (de)
English (en)
Other versions
WO2009030055A3 (fr
Inventor
Beat Aregger
Peter Kathriner
Original Assignee
Elfo Ag
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 Elfo Ag filed Critical Elfo Ag
Publication of WO2009030055A2 publication Critical patent/WO2009030055A2/fr
Publication of WO2009030055A3 publication Critical patent/WO2009030055A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/60—Cleaning devices
    • A47J31/605—Water filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Definitions

  • Water filter cartridge for a water tank and beverage machine with water tank and water filter cartridge
  • the invention relates to a water filter cartridge for a water tank and a beverage machine with water tank and water filter cartridge.
  • Water filter cartridges are installed in water tanks of beverage machines to treat the water in the water tank. For this purpose, there is a filter granulate inside the water filter cartridge which demineralizes and decarbonates the water passed through the filter cartridge. In addition, fine particles can be filtered out. There is a connection in the water tank, onto which the filter cartridge is inserted and from which the treated water can be removed from the water tank. In order to suck the water through the filter cartridge, the beverage machine preferably has a suction pump.
  • Water filter cartridge known in which the inlet region and the outlet opening in the bottom region of the water tank are arranged.
  • the outlet opening is via a bypass connected to the inlet region, which is arranged in the lower portion of the outflow chamber.
  • An object of the invention is to provide a water filter cartridge and a beverage machine with water tank and water filter cartridge, in which the water tank can be largely emptied and in which the entire sucked by the beverage machine water is filtered.
  • the beverage machine with water filter according to the invention has a water tank with an outlet connection.
  • the beverage machine comprises a water filter cartridge, which has an inlet at the top and an outlet at the bottom, wherein the outlet of the water filter cartridge can be connected to the outlet connection of the water tank.
  • the beverage machine also includes a water tank arranged conduit whose inlet opening is located in the lower region of the water tank and whose outlet is connectable to the inlet of the water filter cartridge.
  • the object is also achieved by a beverage machine with water filter with the features according to claim 7.
  • the beverage machine with water filter according to the invention comprises a water tank with an outlet connection.
  • the beverage machine comprises a water filter cartridge which has an inlet at the top and an outlet at the bottom, wherein the outlet of the water filter cartridge can be connected to the outlet connection of the water tank.
  • the beverage machine comprises a hood which is put over the water filter cartridge and which is open at the bottom.
  • the inventive water filter cartridge for a water tank comprises a housing having a plurality of laterally arranged inlet ports and at the bottom an outlet.
  • the line is designed as a hose. This has the advantage that the line is flexible and easily adapts to the particular geometry of the water tank.
  • the water tank has a lid, wherein the line is attached to the lid.
  • the line can be fastened to the wall of the water tank. This will ensure that the
  • an extension tube which is arranged between the outlet of the water filter cartridge and the outlet port of the water tank.
  • the hood is releasably attached to the water tank.
  • the hood is attached to the water filter cartridge.
  • the hood has a fixing element in order to fix the water filter cartridge.
  • the inlet openings are arranged one above the other.
  • the lower inlet openings are smaller than the upper inlet openings. As a result, less water is drawn through the lower inlet openings than through the upper inlet openings.
  • the number of inlet openings increases towards the top. This also ensures that less water is sucked in at the bottom of the water filter cartridge than in the upper area.
  • the inlet openings are so small that the filter material which is located in the water filter cartridge can not escape.
  • the beverage machine with the water filter cartridge just described comprises a water tank having an outlet port, wherein the outlet of the water filter cartridge is connectable to the outlet port of the water tank.
  • a seal can be provided which is arranged between the outlet of the water filter cartridge and the outlet connection of the water tank.
  • Figure 1 shows a first embodiment of a filter unit with water tank in the side view in section.
  • Figure 2 shows the first embodiment of the filter unit with water tank in a three-dimensional view, wherein the water tank is partially shown in section.
  • FIG. 3 shows the first embodiment of the water filter cartridge with a suction line attached thereto.
  • Figure 4 shows the first embodiment of the water filter unit with a modified suction in a three-dimensional view partially in section.
  • FIG. 5 shows the first embodiment of the filter unit with two water tanks in a three-dimensional view.
  • FIG. 6 shows a second embodiment of the filter unit according to the invention in a side view in section.
  • Figure 7 shows the second embodiment of the filter unit in a three-dimensional view obliquely from below.
  • FIG. 8 shows a further embodiment of the filter cartridge obliquely in a three-dimensional view
  • Figure 9 shows the third embodiment of the filter cartridge in a three-dimensional view obliquely from above.
  • FIG. 1 shows a first possible embodiment of the inventive water filter unit for a beverage machine in the side view in section.
  • the beverage machine can be, for example, a coffee machine or a tea machine.
  • the beverage machine not shown in FIG. 1 comprises a water tank 6, in which a water tank 6 is located
  • Filter cartridge 1 is located.
  • the filter cartridge 1 which is also referred to below as a water filter cartridge, has a design that is adapted to the shape of the water tank 6. It has on its upper side an inlet opening 4 for the water to be filtered. On the
  • the filter cartridge 1 has a port 5 with an outlet opening from which the filtered water emerges. Inside the filter cartridge 1 is located granular filter material, which ensures that the water to be filtered, among other things of bacteria and. Chlorine is released and lime and heavy metals are retained. On a wall of the water tank 6 is a riser 11, the inlet opening 12 is disposed in the lower region and thus in the vicinity of the bottom of the water tank 6. On the upper side, the riser 11 is connected via a further line 10 to the inlet opening 4 of the water filter cartridge 1.
  • a suction pump of the beverage machine sucks unfiltered water from the water tank 6 via the riser 11 and the line 10 into the water filter cartridge 1. There, the sucked water is filtered and passed through the outlet 5 of the filter cartridge 1 in the
  • the water filter cartridge 1 comprises an upper housing part 2 and a lower housing part 3, wherein the two housing parts 2 and 3 are connected to each other in a watertight manner, for example by gluing or welding.
  • connection element 5 can be designed as an adapter. This has the advantage that the water filter cartridge 1 can be used for different types of water tanks without having to change the design of the water filter cartridge 1.
  • the adapter 5 is designed to be in fits its first installation position for a water tank of a first type and in its second installation position for a water tank of a second type.
  • the pipe 10 is first removed from the upper inlet opening 4 of the water filter cartridge 1. Subsequently, the water filter cartridge 1 is withdrawn from the connecting piece 8 of the water tank 6. Now a new water filter cartridge 1 is placed on the connecting piece 8 and the line 10 is again connected to the inlet opening 4 of the water filter cartridge 1. For hygienic reasons, the line 10 can be replaced.
  • the line 10 may be formed as a hose. Preferably, it is inserted into the inlet opening 4 of the water filter cartridge 1. Of course, however, other detachable connections are possible.
  • the first embodiment of the filter unit is shown in a three-dimensional view partially in section.
  • the riser 11 is in the embodiment according to Figure 2 part of the water tank 6. It can be firmly connected to the wall of the water tank 6 or integral part of the wall of the water tank 6.
  • the filter unit which comprises the water filter cartridge 1 and the line 10 is shown in a three-dimensional view obliquely from below.
  • the line 10 protrudes in this embodiment approximately to the lower edge of the filter cartridge 1.
  • the filter cartridge 1 may additionally have ribs 15 in the upper region to to increase the grip of the filter cartridge. The ribs 15 are particularly helpful when inserting and removing the filter cartridge 1 in and out of the water tank 6.
  • the embodiment shown in Figure 4 differs from the previous embodiment in that the lines 10 and 11 extend to the lid 14 of the water tank 6 and the line 10 is secured to the lid 14. To replace the water filter cartridge 1 this only has to be removed and a new water filter cartridge 1 are used. Additional handles are not necessary. Another advantage is that the water filter cartridge 1 is centered and fixed during operation.
  • the water filter cartridge is placed in the water tank.
  • the water filter cartridge can also be arranged outside the water tank.
  • FIG. 5 shows the first embodiment of the filter unit with two water tanks in a three-dimensional view.
  • the filter unit is located in the first water tank 6 and is connected via the line 10 with a second water tank 18.
  • the line 10 projects into the second water tank 18 and is connected there in the lower area with a pipe guide 19.
  • the pipe guide 19 in turn has an inlet opening in the vicinity of the tank bottom, through which the water is sucked in and passes via the line 10 into the water filter 2.
  • a second possible embodiment of the filter unit in the side view is shown in section.
  • the water filter cartridge 1 shown in Figs. 1 to 5 can be used.
  • a hood 20 is used.
  • the hood 20 is placed over the water filter cartridge 1 and is dimensioned so that between the housing 2, 3 of the water filter cartridge 1 and the inner wall of the hood 20 creates a passage through which the water to be filtered from the bottom of the water tank 6 up to the inlet opening 4 of the water filter cartridge 1 is sucked.
  • FIG. 7 the water filter cartridge 1 is shown together with the hood 20 in a three-dimensional view obliquely from below.
  • the filter unit according to FIG. 7 functions according to the same principle as the filter unit according to FIGS. 1 to 5.
  • FIGS. 8 and 9 a second embodiment of the filter cartridge 1 'is shown in three-dimensional view.
  • a date 17 may be provided which indicates when the water filter cartridge 1 is to be replaced. Via a turntable 16, the desired date can be set.
  • the lower housing part 3 and the outlet port 5 are the same in the first and the second embodiment of the water filter cartridge.
  • the dimensions of the water filter cartridge 1 can be readily adapted to the design of the water tank without thereby the filter quality is changed.
  • the water filter cartridge for a narrow, high water tank also be correspondingly narrow and high.
  • an extension tube which is arranged between the outlet 5 of the water filter cartridge 1, 1 'and the outlet port 8 of the water tank 6.
  • the water filter cartridge 1, 1 'can in this Case additionally be fixed on top of the lid 14 of the water tank 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

L'invention concerne une machine à boissons équipée d'un filtre à eau, comportant un réservoir d'eau (6) pourvu d'un raccordement de sortie (8). Cette machine à boissons comporte en outre une cartouche (1) filtrant l'eau, présentant, dans sa partie supérieure, une entrée (4), et, dans sa partie inférieure, une sortie (5) qui peut communiquer avec le raccordement de sortie (8) du réservoir d'eau (6). Cette machine à boissons comporte également une conduite (10, 11) placée dans le réservoir d'eau (6), dont l'orifice d'entrée (12) se trouve dans la partie inférieure du réservoir d'eau (6) et dont la sortie peut communiquer avec l'entrée (4) de la cartouche filtrante (1).
PCT/CH2008/000346 2007-09-06 2008-08-14 Cartouche filtrant l'eau destinée à un réservoir d'eau et machine à boissons équipée d'un réservoir d'eau et d'une cartouche filtrante WO2009030055A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH13922007A CH702497B1 (de) 2007-09-06 2007-09-06 Getränkemaschine mit Wasserfilterkartusche.
CH1392/07 2007-09-06

Publications (2)

Publication Number Publication Date
WO2009030055A2 true WO2009030055A2 (fr) 2009-03-12
WO2009030055A3 WO2009030055A3 (fr) 2009-05-14

Family

ID=39952333

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2008/000346 WO2009030055A2 (fr) 2007-09-06 2008-08-14 Cartouche filtrant l'eau destinée à un réservoir d'eau et machine à boissons équipée d'un réservoir d'eau et d'une cartouche filtrante

Country Status (2)

Country Link
CH (1) CH702497B1 (fr)
WO (1) WO2009030055A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105072957A (zh) * 2013-03-01 2015-11-18 莱卡股份公司 用于制备热饮料的机器的过滤器和水箱

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004049876A1 (de) * 2004-10-13 2006-04-20 Brita Gmbh Filterkartusche
DE102006006933A1 (de) * 2006-02-14 2007-08-16 Aquis Wasser-Luft-Systeme Gmbh, Lindau, Zweigniederlassung Rebstein Filterpatrone zum Einsetzen in einen Wasservorratstank
WO2007093354A1 (fr) * 2006-02-14 2007-08-23 Aquis Wasser-Luft-Systeme Gmbh, Lindau/Rebstein Cartouche de filtre destinee a etre utilisee dans un reservoir d'eau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004049876A1 (de) * 2004-10-13 2006-04-20 Brita Gmbh Filterkartusche
DE102006006933A1 (de) * 2006-02-14 2007-08-16 Aquis Wasser-Luft-Systeme Gmbh, Lindau, Zweigniederlassung Rebstein Filterpatrone zum Einsetzen in einen Wasservorratstank
WO2007093354A1 (fr) * 2006-02-14 2007-08-23 Aquis Wasser-Luft-Systeme Gmbh, Lindau/Rebstein Cartouche de filtre destinee a etre utilisee dans un reservoir d'eau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105072957A (zh) * 2013-03-01 2015-11-18 莱卡股份公司 用于制备热饮料的机器的过滤器和水箱

Also Published As

Publication number Publication date
WO2009030055A3 (fr) 2009-05-14
CH702497B1 (de) 2011-07-15

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