WO2006027019A2 - Porte-filtre d'ebouillantage de cafe combine - Google Patents

Porte-filtre d'ebouillantage de cafe combine Download PDF

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Publication number
WO2006027019A2
WO2006027019A2 PCT/EP2004/010895 EP2004010895W WO2006027019A2 WO 2006027019 A2 WO2006027019 A2 WO 2006027019A2 EP 2004010895 W EP2004010895 W EP 2004010895W WO 2006027019 A2 WO2006027019 A2 WO 2006027019A2
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WO
WIPO (PCT)
Prior art keywords
coffee
filter
figures
attachment
filter holder
Prior art date
Application number
PCT/EP2004/010895
Other languages
German (de)
English (en)
Other versions
WO2006027019A3 (fr
Inventor
Werner Brandt
Michaela Merz
Herbert Robert Pirkl
Original Assignee
Werner Brandt
Michaela Merz
Herbert Robert Pirkl
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 Werner Brandt, Michaela Merz, Herbert Robert Pirkl filed Critical Werner Brandt
Publication of WO2006027019A2 publication Critical patent/WO2006027019A2/fr
Publication of WO2006027019A3 publication Critical patent/WO2006027019A3/fr

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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
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0631—Filters or strainers for coffee or tea makers ; Holders therefor with means for better or quicker spreading the infusion liquid over the filter

Definitions

  • the invention relates to a coffee filter holder, which can be used both as part of a coffee machine for brewing coffee by means of this machine as well as brewing by hand.
  • filter coffee In private households but also in the gastronomic coffee machines are usually used for the production of filter coffee, in which heated water, which is referred to as brewing water, after passing through a heater via a drip outlet on ground coffee, which is in a funnel-shaped filter, in turn is arranged in a filter holder. At the bottom of the filter holder one or more openings are recessed, through which the coffee can flow with the extracted from the ground coffee flavors in a arranged under the filter holder coffee pot.
  • a filter arrangement can of course also manually with separately heated water, for example from a kettle, be acted upon.
  • the brewing water is usually added to the center of the coffee filter, so that the extraction of flavoring substances is primarily done in this area.
  • the utilization of the ground coffee is much worse, so that flavorings for the most part remain in the ground coffee.
  • it is therefore necessary to use a correspondingly large amount of the ground coffee because in the central region of the coffee filter, the flavors are emaciated relatively quickly, while in the edge region of the filter, the coffee is used only insufficient.
  • the drain hose is located in the water tank, and somewhat recessed, so u.a. a Wasserablaufarm put on it and thus the coffee water can be passed directly into the Internalfil ⁇ ter into it.
  • the brewing in the filter takes place once in the middle of the inmehlober configuration, outside the coffee filter bag on the edge sticking coffee flour, since the Wasser ⁇ mirror always reaches a certain height.
  • DE 101 11 166 A1 discloses a device in which a generic device is used which has a plurality of outlet openings arranged in a line in order to give up the brewing water on the surface of the coffee grounds arranged in the coffee filter. Already by this device, the amount of ground coffee to be used can be substantially reduced.
  • the problem to be solved by the invention is to provide coffee filter holders that are universally applicable.
  • the filter holder should be equally suitable for both manual and machine preparation of coffee.
  • a coffee infuser filter holder (Fig. 1, reference numeral No. 1) having at least one upper opening (Fig. 1, No. 4) for supplying the brewing water and at least one lower opening (Fig. 1, No. 5) for discharging the brewed one Coffee, characterized in that the filter holder comprises at least one means (Fig. 1, No. 2) for releasably securing the filter holder to a coffee machine and means (Fig. 1, No. 3) for placing the filter holder on a container for receiving the brewed coffee has provided.
  • the Inaufbrühfilterhalter may be configured in the upper region similar to a commercial product, which is pivotable for inserting the filter bag and for filling coffee grounds from the coffee machine and is removable for cleaning.
  • the Inaufbrühfilterhalter invention is like any standard filter holder releasably attached to the coffee machine.
  • the releasable attachment can be realized as in the prior art, namely, for example, by placing a mounted on the filter holder circular hollow tube on a cylindrical or rod-shaped part which is attached to the housing of the coffee machine. As a result, the filter holder can be easily pivoted and removed again.
  • the filter holder In the lower part of the filter holder according to the invention usually for manual brewing similar to the filter holder used.
  • the filter holder is preferably provided at the lower end of the conical filter holder with a round disc, which allows the placement of the filter holder on containers, such as coffee pots, with different diameter of the upper opening.
  • the filter holders according to the invention in the preferred embodiments have the particular advantage that they are suitable for both the manual and the automatic brewing of coffee. Since special coffee filter attachments are provided in addition to the filter holders of the present invention in the preferred embodiments, the distribution of the brewing water is improved and the like, so that the brewing of the coffee takes place efficiently. This also means that the filter holder during the brewing process is not almost completely filled with water as in the prior art, but by the more uniform brewing water distribution and coffee discharge from the filter holder, the water level of the brewing water at any time of the brewing process is only slightly above the level of the ground coffee , As a result, only a slight dripping from the filter holder, when the coffeepot parked to accommodate the brewed coffee is removed. As a result, the commercial drip protection at the outlet for the brewed coffee dispensable. If this drip protection can be dispensed with, a use of the filter holder during manual brewing is possible in a simple manner.
  • the invention also relates to a coffee machine, a inventive filter holder which is releasably secured to the machine.
  • the present invention relates to a coffee brewing device comprising a filter holder according to the invention and a container for receiving the brewed coffee derived from the lower opening of the filter holder, e.g. a coffee pot, has.
  • the invention relates in a first preferred embodiment according to claims 16 to 26 a coffee filter attachment for distributing brewing water to ground coffee with a distributor disc which is connected to a retaining ring, wherein in the distributor disc passage openings are recessed, which are arranged in a circle around the center of the distributor disc wherein the passage openings are formed as slit-like circular segments, which taper from a first diameter on the upper side of the distributor disc to a second diameter on the substantially flat underside of the distributor disc, wherein the passage openings in the form of outlet channels on the substantially flat bottom of the Spreading disc out down.
  • the outlet channels have a frustoconical cross-section and terminate in a tear-off edge at which the brewing water can drain in a controlled manner without running along the underside of the distributor disc.
  • the outlet channels are preferably also formed integrally with the distributor disc.
  • the clear width of the outlet channels corresponds essentially to the second diameter of the passage openings, i. the passage opening continues with a substantially constant diameter in the outlet channel.
  • the tapered cross section of the passage openings but also continue in the outlet channels, that, for example, the preferred smallest diameter, which is referred to here as the second diameter, is reached only at the tear edge of the outlet channels.
  • the first diameter of the Sirien i. the diameter on the top of the distributor disc, in the range of 3.5 to 7 mm, preferably 4 to 6 mm and particularly preferably about 5 mm, while the second diameter preferably in the range of 0.5 to 3 mm, preferably 0.8 to 2 mm and more preferably about 1 mm.
  • the height at which the outlet channel extends downwards over the underside of the distributor disc can be, for example, 0.5 to 5 mm and is preferably in the range of 1 to 3 mm and particularly preferably about 2 mm.
  • the passage openings are distributed as circle segments evenly on each circle.
  • the passage openings are distributed as circle segments evenly on each circle.
  • four passage openings may be provided, each having the same length as circle segments on the Circle are distributed.
  • the four permeable circular segments can cover a circumferential angle of 45 ° each and are separated from each other by impermeable regions of the distributor surface, again by 45 ° circumferential angles.
  • the diameter of the Infilterauf ⁇ rate invention is selected according to the filter holder on which it is to be used.
  • coffee filter attachments with a diameter of 11.5 cm are used, for example, while coffee filter attachments with a diameter of 13 cm are used for so-called type 104 filter holders.
  • preferably 1 to 6 and preferably 2 to 4 circuits with corresponding circular-segment-like passage openings are provided in the distributor disk of the coffee filter attachment according to the invention.
  • a removable nikför ⁇ miger insert is provided with an L-shaped cross section preferably on the upper side of the distributor disc, wherein the horizontal base of the insert is dimensioned so that one or more of the circles are covered, wherein Of course, when using less ground coffee, the outermost circles in the distributor disc are covered, so that brewing water can only be delivered through the passage openings of the inner circles.
  • the invention also relates to a filter unit for the production of filter coffee with a filter holder according to the invention, which serves for receiving a filter bag and a coffee filter attachment removably connected to the filter holder.
  • the coffee filter attachment can simply be inserted into an upper opening of the filter holder. However, according to a preferred embodiment, it is mounted via a screw or bayonet connection at the upper end of the filter holder.
  • FIG. 2 shows a cross section through a coffee filter attachment, which can be placed on the filter holder according to the invention.
  • FIG. 3 is a plan view of the coffee filter attachment of FIG .. 2
  • the coffee filter attachment is designated in Fig. 2 in total by the reference numeral 10.
  • the coffee filter attachment 10 comprises a Verteiler-in- 11, with a circumferential Retaining ring 12 is connected.
  • the distributor disc and the retaining ring are formed as a one-piece plastic part, for example as an injection molded part.
  • On the outer circumference of the retaining ring fastening means 13 are provided with which the retaining ring at the upper end of a (only partially indicated) filter holder 14 is mounted.
  • the fastening means 13 may be, for example, a thread of a screw cap or a bayonet closure, the fastening means 13 cooperating with complementary fastening means attached to the upper end of the filter holder 14.
  • the coffee filter attachment 10 can also be used in a form-fitting manner in the top of the filter holder 14 without further fastening means.
  • the distributor disc has an upper side 15 and a substantially flat lower side 16.
  • slit-like passage openings 17 are recessed, which open with a first diameter D in the top 15 and a smaller diameter d in the bottom 16.
  • the passage openings 17 therefore have a funnel-shaped taper.
  • the passage openings in the form of outlet channels 18 extend beyond the substantially flat bottom 16 of the distributor disc 11 downwards.
  • the outlet channels have a frustoconical cross-section and terminate in a tear-off edge 19 at which the brewing water can drip defined.
  • the clear width, ie the passage in the outlet channels over the entire height h of the outlet channel is constant and corresponds to the second diameter d of the corresponding passage opening.
  • the second diameter d is in the range of 1 mm.
  • the passage openings 17 are on concentric circles 20, 21 is arranged '22, wherein used cm in the area shown a coffee filter paper with a diameter of 13, which is for example suitable for widespread 104 filter holder.
  • the passage openings on three concentric circles 20, 21, 22 are arranged in order to achieve a uniform as possible task of the brewing water over the entire filter cross-section.
  • the top 15 of the coffee filter attachment is profiled so that the top poured hot water is distributed as evenly as possible to the individual circles 20, 21, 22.
  • a central elevation 23 is provided which evenly distributes the hot water, for example, produced by an automatic coffee machine, which drips down from a drip outlet of the heating device, in the radial direction.
  • the top 15 may rise towards the outer periphery along a slope.
  • inserts 24, 25 can be provided, which are set on top of the coffee filter attachment 10 so that either the openings of the outer circular ring 22 or the openings of the two outer circular rings 21 and 22 are covered, so that brewing water only can drip down over the remaining openings down on the ground coffee.
  • the inserts 24, 25 have a substantially L-shaped profile, wherein the horizontal base 26, 27 of each insert 24, 25 is dimensioned so that the corresponding number of circular rings is covered.
  • Coffee filter attachment 10 the top 15 with a certain supernatant 28, so that overflow of brewing water is prevented ver ⁇ .
  • FIG. 3 shows a plan view of the upper side 15 of the coffee filter attachment according to the invention, but without insert 24 or 25, wherein the components already explained in connection with FIG. 2 are designated by the same reference numerals. It can be seen in particular the three circular rings 20, 21, 22, on each of which 4 passage openings 17 are evenly distributed.
  • the invention relates in a second preferred embodiment according to claims 27 to 48 a coffee filter attachment for distributing brewing water to ground coffee with a distributor disc which is connected to a retaining ring, wherein in the distributor disc passage openings are recessed.
  • the passage openings are formed as a slot-like circular segments which are arranged concentrically around the center of the distributor disc around.
  • This coffee filter attachment ensures that the ground coffee, for example in a paper filter in the filter holder, is uniformly wetted with brewing water over the entire cross section lying perpendicular to the water application.
  • the efficiency of the extraction of flavorings in the ground coffee is optimized with the coffee filter attachment according to the invention.
  • the formation of the passage openings as slit-like circle segments is also ensured that sufficient brewing water is given to the ground coffee, so that the coffee flour is effectively stirred up and completely and completely washed by brewing water, which favors the release of flavorings.
  • the residence time of the brewing water in the coffee filter holder is short enough to prevent excessive bitterness from being discharged to the coffee. With this coffee filter attachment, therefore, one obtains a taste-rich but by no means bitter-tasting coffee and at the same time achieves a high yield in the utilization of the ground coffee.
  • the passage openings formed as slit-like circular segments are designed such that they extend from a first diameter measured essentially transversely to the course of the slot on the upper side of the
  • Distributor disk to a second, smaller diameter on the substantially flat bottom of the distributor disc taper.
  • the passage openings extend preferably in the form of outlet channels on the substantially flat bottom of the distributor disc out down. This prevents brewing water from spreading undefinedly at the underside of the distributor disk and dripping down onto the coffee grounds at non-fixed locations. Rather, it is ensured with this embodiment that the arrangement of the passage openings in the distributor disc also corresponds to the actual distribution of the brewing water task on the ground coffee, which in turn favors the uniform utilization of the entire ground coffee.
  • the outlet channels have a frusto-conical cross-section and terminate in a tear-off edge on which the brewing water can drip off in a controlled manner without running along the underside of the distributor plate.
  • the outlet channels are preferably also formed integrally with the distributor disc.
  • the clear width of the outlet channels corresponds essentially to the second diameter of the passage openings, i. the passage opening continues with a substantially constant diameter in the outlet channel.
  • the tapered cross section of the passage openings but also continue in the outlet channels, that, for example, the preferred smallest diameter, which is referred to here as the second diameter, is reached only at the tear edge of the outlet channels.
  • the first diameter of the Sirien i. the diameter on the top of the distributor disc, in the range of 3.5 to 7 mm, preferably 4 to 6 mm and particularly preferably about 5 mm, while the second diameter preferably in the range of 0.5 to 3 mm, preferably 0.8 to 2 mm and more preferably about 1 mm.
  • the height at which the outlet channel extends downwards over the underside of the distributor disk can be, for example, 0.5 to 5 mm, and is preferably in the range of 1 to 3 mm and particularly preferably about 2 mm.
  • the passage openings are distributed as circle segments evenly on each circle.
  • the passage openings are distributed as circle segments evenly on each circle.
  • four passage openings can be provided, which are each distributed as equal-length circle segments on the circle.
  • the four transmissive circle segments may have a circumferential angle of, respectively 45 ° and are each separated by impermeable areas of the distribution surface of turn 45 ° circumferential angle.
  • the diameter of the coffee filter attachment is selected according to the filter holder on which it is to be used.
  • coffee filter attachments with a diameter of 11.5 cm, for example, are used, while for so-called.
  • Type 104 filter holder Infil ⁇ terauf arrangements be used with a diameter of 13 cm.
  • Larger filter holders for example for type 1 x 6 filters, which are preferably used in the catering sector, can be equipped with coffee filter attachments with a diameter of 15.5 cm.
  • preferably 1 to 6 and preferably 2 to 4 circuits with corresponding circular-segment-like passage openings are provided in the distributor disk of the coffee filter attachment according to the invention.
  • Advantageously used in the filter attachment with 11.5 cm diameter 1 or 2 preferably two circles, the attachment with 13 cm diameter 2 or 3, preferably 3 circles and the filter with 15.5 cm diameter 3 or 4, preferably 4 circles.
  • a removable circular insert with an L-shaped cross-section is preferably provided on the upper side of the distributor disc, wherein the horizontal base of the insert is dimensioned so that one or more of the circles are covered, of course, when using less ground coffee Circles in the Covering disc covers, so that brewing water can be discharged only through the passage openings of the inner circles.
  • the coffee filter attachment has a central elevation on the upper side of the distributor disk.
  • the distributor disc is impermeable to the brewing water, so that the water from a brewing device of a coffee machine or the manually charged water initially flows out laterally from the central region of the distributor disc and only then through the passage openings downwards onto the ground coffee can drip in the filter holder.
  • the top of the coffee filter attachment to the outer edge is slightly increased again, so that the top of the distribution disc of the coffee filter attachment between the central elevation and the outer retaining ring has a slightly concave profile.
  • the coffee filter attachment is dimensioned so that it can be easily inserted into the upper opening of a conventional filter holder.
  • the coffee filter attachment is particularly suitable for the manual brewing of coffee. In this case, arrange the filter holder with filter bag and ground coffee on a coffee pot and sets, before pouring brewing water, the Coffee filter according to the invention in the upper opening of the coffee filter holder.
  • Coffee filter attachment however, suitable fasteners with which the coffee filter attachment can be attached either to the filter holder or on the housing of a coffee machine.
  • the fastening means are arranged on the outer circumference of the retaining ring.
  • the term "retaining ring” is to be understood as meaning any configuration of the outer edge of the distributor disc which ensures insertion or attachment of the coffee filter attachment in or on the filter holder or on an automatic coffee machine the distributor disc is a retaining ring in the context of the present invention.
  • the fastening means can be formed, for example, as an external thread or as part of a bayonet closure.
  • the coffee filter attachment can be screwed or inserted either in the upper opening of the filter holder or in a suitable holder on the underside of the Brühwasseraufgabeö Maschinen a coffee machine.
  • the fastening means of the coffee filter attachment are designed as brackets of a hinge holder.
  • the Infilter ⁇ tower can be pivotally mounted on the housing of a coffee machine.
  • the coffee filter attachment therefore only needs to be folded away and the upper area of the coffee filter holder is accessible to the user.
  • the hinge is preferably designed so that the bracket of the coffee filter attachment is releasably inserted into the corresponding complementary mounted on the housing of the coffee maker holder of the hinge, so that the user can easily remove the coffee filter attachment, for example, for cleaning purposes.
  • Coffee filter attachment in particular in the case of a pivotable articulation on the housing of a coffee machine, have a retaining lug, which is preferably formed on the outer edge of the coffee filter attachment.
  • This retaining lug which may for example be formed as a bracket, can be easily grasped by the user to fold away the coffee filter attachment from the outside.
  • the invention according to the second preferred embodiment also relates to a filter unit for the production of filter coffee with a filter holder, which serves to receive a filter bag and a coffee filter attachment removably connected to the filter holder.
  • the coffee filter attachment can simply be inserted into an upper opening of the filter holder. According to a preferred embodiment, however, it is mounted via a screw or Bajo ⁇ nettitati at the upper end of the filter holder.
  • the invention according to the second preferred embodiment also relates to a coffee machine comprising a housing, a fresh water container, a brewing device, a filter unit with a filter holder and a coffee container arranged below the filter unit, wherein the filter unit comprises a coffee filter attachment.
  • the coffee filter attachment can be inserted or screwed into the filter holder of the filter unit or connected to the housing of the coffee machine, for example, be pivotally hinged to the coffee machine housing.
  • FIGS. 2 and 3 shows a plan view of a variant of the coffee filter attachment of FIGS. 2 and 3;
  • Fig. 5 is a schematic representation of a coffee machine according to the invention.
  • the coffee filter attachment is designated in Fig. 2 in total by the reference numeral 10.
  • the coffee filter attachment 10 comprises a distributor disc 11, which is connected to a circumferential retaining ring 12.
  • the distributor disc and the retaining ring are formed as a one-piece plastic part, for example as injection molded part.
  • On the outer circumference of the retaining ring fastening means 13 are provided with which the retaining ring at the upper end of a (only partially indicated) filter holder 14 is mounted.
  • the fastening means 13 may be, for example, a thread of a screw cap or a bayonet closure, wherein the fastening means
  • the coffee filter attachment 10 can also be used in a form-fitting manner in the top of the filter holder 14 without further fastening means.
  • the distributor disc has an upper side 15 and a substantially flat lower side 16.
  • the Distributor disc are recessed slot-like passage openings 17, which open with a first diameter D in the top 15 and a smaller diameter d in the bottom 16.
  • the passage openings 17 therefore have a funnel-shaped taper.
  • the passage openings in the form of outlet channels 18 extend downwards beyond the substantially flat underside 16 of the distributor disk 11.
  • the outlet channels have a frustoconical cross-section and terminate in a spoiler edge 19 at which the brewing water can drip defined.
  • the clear width, ie the passage in the outlet channels over the entire height h of the outlet channel is constant and corresponds to the second diameter d of the corresponding passage opening.
  • the second diameter d is in the range of 1 mm
  • the passage openings 17 are arranged on concentric circles 20, 21, 22, wherein in the example shown, a Infilteraufsatz is used with a diameter of 13 cm, the beispiels ⁇ , for the widespread 104th Filter holder is suitable.
  • the passage openings are arranged on three concentric circles 20, 21, 22, in order to achieve the most uniform possible task of the brewing water over the entire filter cross section.
  • the top 15 of the coffee filter attachment is profiled so that the top poured hot water is distributed as evenly as possible to the individual circles 20, 21, 22.
  • a central elevation 23 is provided, which drips the hot water, for example, produced by an automatic coffee machine, which drips off from a drip outlet of the heating device. evenly distributed in the radial direction.
  • the top 15 may rise towards the outer periphery along a slope.
  • inserts 24, 25 can be provided, which are set on top of the coffee filter attachment 10 so that either the openings of the outer annulus 22 or the openings of the two outer annuli 21 and 22 are covered, so that brewing water can only be supplied via the remaining openings can drip down on the ground coffee.
  • the inserts 24, 25 have a substantially L-shaped profile, wherein the horizontal base 26, 27 of each insert 24, 25, is dimensioned so that the corresponding number of circular rings is covered.
  • the retaining ring 12 of the coffee filter attachment 10 preferably projects beyond the upper side 15 with a certain projection 28, so that overflow of brewing water is prevented.
  • Fig. 3 shows a plan view of the top 15 of the coffee filter attachment according to the invention, but without insert 24 or 25, wherein the already explained in connection with FIG. 2 components are designated by the same reference numerals. It can be seen in particular the 3 circular rings 20, 21, 22, on each of which 4 natural ⁇ laßö réelleen 17 are evenly distributed.
  • FIG. 4 shows a variant of the coffee filter attachment of FIGS. 2 and 3 in plan view.
  • Components that fulfill the same or a similar function as already explained in connection with FIGS. 2 and 3 components have been denoted by the same reference numerals.
  • a bracket 30 of a hinge is formed as a fastening means, so that the coffee filter attachment can be pivoted on the housing of a coffee maker.
  • a retaining lug 31 is provided, which can be taken by the user for pivoting the coffee filter attachment.
  • Fig. 5 shows schematically a coffee machine according to the invention, which is equipped with a coffee filter attachment.
  • the coffee machine 40 comprises, in a manner known per se, a housing 41, a fresh water container 42, a brewing device comprising a heating unit 43, a riser 44 and an outlet 45 for the brewing water, a filter unit with a filter holder 14 and a coffee container arranged below the filter unit 46.
  • the filter unit also comprises an over the filter holder, that is arranged between the outlet opening 44 for brewing water and the filter holder 14 coffee filter attachment 10 according to the invention.
  • the coffee filter attachment is pivoted in the illustrated example via a hinge 47 on the housing 41 of the coffee and can by the user as needed be folded away by means of the retaining lug 31, for example, upwards or swung sideways.
  • the invention relates in a third preferred embodiment according to claims 49 to 62, a device whose outlet consists of openings which are arranged at least in two concentric circles.
  • the advantage of the device according to the invention is that it easily in conventional coffee filters or coffee filter holders with a circular cross-section Can be used and allow a uniform flushing of the flavorings from the ground coffee over the entire surface of the ground coffee.
  • the number of concentric circles is determined.
  • the brewing water thus enters the device according to the invention and is evenly distributed to the concentric circles, so that the device also has a storage function and avoids overflowing of the coffee filter or the coffee filter holder, which, for example, causes coffee grounds in the coffee as so-called Coffee grounds is discharged.
  • Such a coffee grounds affects the coffee, especially at the last cup removed from the coffee pot.
  • the device according to the invention thus allows a uniform loading of the ground coffee with brewing water and at the same time a regulation of the inflow, so that an overflow of the coffee filter or coffee filter holder is substantially avoided.
  • the openings are slit-shaped.
  • the slit-shaped design of the openings the desired effect of a uniform brewing process in the field of ground coffee is significantly improved.
  • the openings are arranged in different planes, so that a uniform flow of the brewing water is ensured.
  • the distance to the ground coffee can be varied, so that different quantities of the coffee filter or coffee filter holder can be considered. It also gives the possibility of multiple concentric circles to arrange, which are not to be arranged in the area of a plane.
  • the openings of the inner circle enclose a convexly curved surface, so that it is ensured that the entire concentrically abandoned brewing water can flow into the region of the openings.
  • the convexly curved surface is separated by the openings from a flat annular surface which is inclined to the outer plane of the openings.
  • the device has a projection with an inner wall of the coffee filter and the coffee filter holder correspondingly formed outer surface.
  • the openings are formed in cross-section at least in a partial area U- or V-shaped. Alternatively it can be provided that the openings are formed in cross-section T-shaped.
  • the openings for the coffee filter or coffee filter holder are tapered in their cross section in order to regulate the outflow rate of the brewing water, for example to avoid overflowing the coffee filter or coffee filter holder.
  • the above-described embodiments of the apertures have the advantage that the tapering of the apertures prevents them from converging in the center region of the device, and thus from dripping exclusively in the center region of the ground coffee.
  • the openings are divided according to another feature by equally spaced webs in arc-section portions.
  • two or three webs are provided, which divide each opening into sections.
  • the openings consist of a plurality of bores.
  • the openings have a width between 1 and 2 mm, in particular of 1.5 mm.
  • the holes which preferably have a diameter between 1 and 2 mm, in particular of 1.5 mm.
  • Figure 6 shows a device for placing on a coffee filter or coffee filter holder in cross section
  • Figure 7 shows a first embodiment of an opening of the device according to Figure 1 in cross section
  • Figure 8 shows a second embodiment of an opening of the device according to Figure 1 in cross section
  • Figure 9 embodiment of an opening in a plan view.
  • FIG. 6 shows a device 1 for placement on a coffee filter holder (not shown).
  • the device 1 has an inlet 2 and an outlet 3, wherein required via the inlet 2 for the brewing of a coffee brewing water entered into the device 1 and flows through the outlet 3 of this brewing water in the coffee filter holder, not shown, in which a Kaf ⁇ Feefiltertüte with coffee powder is arranged.
  • the outlet 3 consists of openings 4 which are arranged in two (left half of Figure 6) and three (right half of Figure 6) concentric circles 5.
  • the openings 4 are slot-shaped and form according to Figure 8 arc-section portions 6, wherein the sections are separated by webs 7 from each other.
  • a portion 6 is shown, which is formed arcuate section-shaped and has a plurality of holes 8.
  • the device In the region of the outlet 3, the device has a projection 9, which has an outer surface 10, which is formed according to an inner wall, not shown, of the coffee filter holder, not shown.
  • This approach 9 rests with its outer surface 10 on the coffee filter bag, which is between the outer surface 10 of the Approach 9 and the inner wall of the coffee filter holder is clamped.
  • the openings 4 are arranged in different planes.
  • the openings 4 of the inner circle 5 enclose a convexly curved surface 11, which supports a flow of the brewing water into the region of the openings 4.
  • the openings 4 of the inner circle 5 separate this curved surface 11 from a flat annular surface 12, which is inclined to the plane 13 of the openings 4 of the outer circle.
  • To the wall 14 of the device 1 which adjoins the plane 13 bottom surface 15 is inclined, so that here also accumulating brewing water is fed directly to the openings of the outer circle 5.
  • the openings 4 are tapered in their cross section.
  • the taper takes place here in the direction of the outlet 3.
  • Figure 7 shows an opening 4, which is T-shaped in cross section.
  • an opening 4 is shown in Figure 8, which is formed in cross-section in the upper portion V-shaped.
  • the above-described openings 4 have a width of 1.5 mm. If the openings 4 are formed as bores 8, they have a diameter of 1.5 mm.
  • the invention relates in a fourth preferred embodiment according to claims 63 to 65, a device whose outlet consists of openings which are arranged at least in two concentric circles.
  • the advantage of the coffee water attachment distributor for coffee machine and coffee filter according to the fourth preferred embodiment is that they are in simple manner in conventional coffee filters or coffee filter holders can be used with a circular cross-section use and allow a uniform flushing of the flavorings from the ground coffee over the entire surface of the ground coffee.
  • the number of concentric circles is determined.
  • the brewing water thus enters the coffee water attachment distributor and is evenly distributed to the concentric circles, so that the coffee water attachment distributor also has a storage function and avoids overflowing of the coffee filter or the coffee filter holder, which, for example, causes coffee grounds in the Coffee is discharged as a so-called coffee grounds.
  • Such a coffee grounds affects the coffee, especially at the last cup removed from the coffee pot.
  • the coffee water attachment distributor according to the fourth preferred embodiment thus allows a uniform loading of the ground coffee with brewing water and at the same time a regulation of the inflow, so that an overflow of the coffee filter or coffee filter holder is substantially avoided.
  • the openings are slit-shaped.
  • the slit-shaped design of the openings the desired effect of a uniform brewing process in the field of ground coffee is significantly improved.
  • the openings are arranged in different planes, so that a uniform flow of the brewing water is ensured.
  • the distance to the ground coffee can be varied, so that different quantities of the coffee filter or Coffee filter holder can be considered. It also gives the possibility to arrange several concentric circles, which are not to be arranged in the region of a plane.
  • the openings of the inner circle enclose a convexly curved surface, so that it is ensured that the entire concentrically abandoned brewing water can flow into the region of the openings.
  • the convexly curved surface is separated by the openings from a flat annular surface which is inclined to the outer plane of the openings.
  • the inwasser- essay distributor has a lug with an inner wall of the coffee filter or the coffee filter holder correspondingly formed outer surface.
  • the coffee filter used in a coffee filter holder (coffee filter bag) is clamped between the coffee water attachment distributor and the coffee filter holder, so that a drainage of the brewing water between the coffee filter holder and the coffee filter (coffee filter bag) is prevented.
  • the coffee filter is therefore always held in the correct arrangement in the coffee filter holder.
  • the openings in the cross section are U-shaped or V-shaped at least in a partial region. Alternatively it can be provided that the openings are formed in cross-section T-shaped.
  • the openings for the coffee filter or coffee filter holder are tapered in their cross section in order to regulate the outflow rate of the brewing water, for example to avoid overflowing the coffee filter or coffee filter holder.
  • the above-described embodiments of the openings have the advantage that the taper of the openings a convergence in the center region of the coffee water-Avemsatzverteilers and thus dripping is prevented only in the center region of the ground coffee.
  • two or three webs are provided, which divide each opening into sections.
  • the coffee water attachment distributor for coffee machine and coffee filter is arranged so that you can brew from 4 to 18 cups of coffee with just a plastic filter and matching paper filter bag. Furthermore, the coffee water attachment distributor on an upper part and lower part, so that a removal of sedimenting lime is easily possible.
  • FIG. 10 shows a coffee water attachment distributor for placing on a coffee filter or coffee filter holder with an upper part and lower part; a coffee water top spreader with (1) top for turning on and off on the lower part (2); a coffee water attachment distributor with (10) a vertical open circular opening-Wassereinlaufö Stammf ⁇ a coffee water attachment distributor with (12) a Runder ⁇ increase connected to (13) vertical round recess and with (14) .ein internal thread; a combinationwasser essay distributor with (2) the lower part, with (14) an external thread and with (15) a vertical round opening; a coffee water top dispenser with (16) a bevel; a coffee water attachment distributor with (18) a Runderhö ⁇ Hung connected to (17) an oblique circular recess; a coffee water attachment distributor with (19) a triangular recess connected to (20) a vertical Schiitz recess; a coffee water top spreader with 21, 22, 23, 24 and 25 round up.
  • the invention relates in a fifth preferred embodiment according to claims 66 to 70, a device whose outlet from slot-shaped recessed 32 EP2004 / 010895
  • openings which are arranged at least in three concentrically interrupted running circles.
  • Flavor enhancer device is that the inlet of coffee water on the entire surface of the ground coffee is uniform and thus the flavor is improved.
  • the flavor enhancer device further has the following advantages: it requires only a paper filter bag, a coffee filter and a coffee machine. In addition, there will be no open coffee filter more, since the inlet of coffee water is based only on a hole opening of about 1 to 2cm. The flavor enhancer device is only placed on the coffee filter, so that the brewing takes place on a closed coffee filter.
  • the aroma enhancer device may be used for both hand-brewing and brewing with the machine.
  • FIGS. 11 to 13 The invention according to the fifth aspect is illustrated in FIGS. 11 to 13.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

L'invention concerne un porte-filtre d'ébouillantage de café combiné (1) (Fig. 1) comprenant au moins une ouverture supérieure (4) pour l'amenée de l'eau d'ébouillantage, et au moins une ouverture inférieure (5) pour l'évacuation du café ébouillanté, caractérisé en ce que le porte-filtre présente au moins des moyens (2) de fixation amovible du porte-filtre sur une machine à café, et des moyens (3) de mise en place du porte-filtre sur un récipient destiné à recueillir le café ébouillanté.
PCT/EP2004/010895 2004-09-09 2004-09-29 Porte-filtre d'ebouillantage de cafe combine WO2006027019A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004014036.5 2004-09-09
DE200420014036 DE202004014036U1 (de) 2004-09-09 2004-09-09 Kombinierter Kaffeeaufbrühfilterhalter

Publications (2)

Publication Number Publication Date
WO2006027019A2 true WO2006027019A2 (fr) 2006-03-16
WO2006027019A3 WO2006027019A3 (fr) 2006-05-26

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PCT/EP2004/010895 WO2006027019A2 (fr) 2004-09-09 2004-09-29 Porte-filtre d'ebouillantage de cafe combine

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DE (1) DE202004014036U1 (fr)
WO (1) WO2006027019A2 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN102114590A (zh) * 2010-12-24 2011-07-06 中山市诚泰金属有限公司 一种咖啡机过滤器的加工方法
DE202018106577U1 (de) 2018-11-20 2018-11-27 Manfred König Filtervorrichtung für Kaffee

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007014870U1 (de) 2007-10-23 2009-03-05 Wik Far East Ltd. Heißgetränkezubereitungsmaschine

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Publication number Priority date Publication date Assignee Title
DE10111166A1 (de) 2000-07-27 2002-10-24 Werner Brandt Ein Kaffeemehl-Duschwasser Kaffeeaufbrühfilter
DE20318733U1 (de) 2003-12-04 2004-02-26 Brandt, Werner Kaffeewasser-Aufsatzverteiler für Kaffeemaschine und Kaffeefilter

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Publication number Priority date Publication date Assignee Title
DE7145396U (de) * 1971-12-02 1972-05-04 Wigo Gottlob Widmann & Soehne Kg Filterkaffeemaschine
US4676148A (en) * 1986-04-24 1987-06-30 Bunn-O-Matic Corporation Coffee-making machines
DE8809335U1 (de) * 1988-07-21 1989-03-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Kaffeemaschine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111166A1 (de) 2000-07-27 2002-10-24 Werner Brandt Ein Kaffeemehl-Duschwasser Kaffeeaufbrühfilter
DE20318733U1 (de) 2003-12-04 2004-02-26 Brandt, Werner Kaffeewasser-Aufsatzverteiler für Kaffeemaschine und Kaffeefilter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102114590A (zh) * 2010-12-24 2011-07-06 中山市诚泰金属有限公司 一种咖啡机过滤器的加工方法
DE202018106577U1 (de) 2018-11-20 2018-11-27 Manfred König Filtervorrichtung für Kaffee

Also Published As

Publication number Publication date
DE202004014036U1 (de) 2004-11-25
WO2006027019A3 (fr) 2006-05-26

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