WO1999060901A2 - Elektrisches gerät zur zubereitung heisser getränke - Google Patents
Elektrisches gerät zur zubereitung heisser getränke Download PDFInfo
- Publication number
- WO1999060901A2 WO1999060901A2 PCT/DE1999/001513 DE9901513W WO9960901A2 WO 1999060901 A2 WO1999060901 A2 WO 1999060901A2 DE 9901513 W DE9901513 W DE 9901513W WO 9960901 A2 WO9960901 A2 WO 9960901A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- chamber
- electrical device
- liquid
- beverage
- Prior art date
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
- A47J31/10—Coffee-making apparatus, in which the brewing vessel, i.e. water heating container, is placed above or in the upper part of the beverage containers i.e. brewing vessel; Drip coffee-makers with the water heating container in a higher position than the brewing vessel
-
- 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
Definitions
- the invention relates to an electrical device for preparing hot beverages from a liquid and a beverage substrate with a heatable liquid container with hot water spout that holds the liquid and a filter chamber arranged underneath it, through which the heated liquid, after reaction with the beverage substrate, is arranged in an underneath and the hot beverage receiving beverage container arrives.
- DE-PS 686 482 already teaches an electrical device in which the liquid container is arranged above the brewing container, which in turn is located above the serving container. The water should be boiled onto the substrate.
- the same arrangement of liquid container, filter chamber and serving container is also proposed in DE-GM 81 12 227.6. Furthermore, nozzles are provided here, through which a controlled dispensing of the liquid into the filter chamber is to be ensured.
- the object of the invention is to improve and even out the quality from a variable shape of the filter chamber To effect liquid and a beverage substrate produced hot drinks with precise dosage.
- the filter chamber consists of an inlet chamber for bringing together the liquid and the beverage substrate and an outlet chamber for the beverage arranged next to it and separated by a vertical or inclined filter wall.
- the filter chamber arranged between the liquid and beverage container thus consists of two adjacent chambers.
- the size of these chambers is variable and is determined by the arrangement of the filter wall separating them.
- This filter wall is particularly easy to handle if it is installed vertically or approximately vertically and can be removed.
- the filter chamber consists of an inlet chamber in which the user distributes the beverage substrate and into which the water previously heated in the liquid container up to the desired temperature, preferably until boiling, is then let in. Liquid or water and the beverage substrate mix in the inlet chamber, and due to the boiling water there is intensive mixing until the beverage penetrates through the filter wall, the solid components, the coffee grounds, being prevented from penetrating into the outlet chamber through the filter wall . Due to the high temperature of the water, its adjustable dwell time in the inlet chamber and the adjustable passage through the filter wall, a good and lasting quality is ensured.
- An embodiment of the invention provides that the outlet chamber is followed by a filter-receiving, preferably also round screen surface, the filter wall serving as a prefilter preferably made of brass.
- the inlet chamber and outlet chamber are thus separated only by a coarser filter that retains suspended matter, while a further filter surface, which also retains the finer components, is arranged in the bottom of the outlet chamber.
- This filter surface can be represented, for example, by a sieve, onto which a new paper filter must be placed each time the electrical device is used.
- the base area of the outlet In this case, the chamber is also shaped like a trough, so that the path to the sieve surface is given to the beverage substrate.
- the filter wall is formed by one or more filter cassettes consisting of at least two, preferably interconnected, parallel plates.
- a filter cassette consisting of two plates connected, for example, by a hinge, is particularly easy to handle, in particular if it is removable and therefore interchangeable, and can be cleaned easily after use in a dishwasher or by hand washing.
- the filter cassette consists of two non-connected plates or a single plate with a filter.
- the filter wall is formed by a flat screen.
- a flat sieve has the advantage that it serves, as it were, as a one-piece filter wall that only has to be inserted into the guides provided for it. The flat screen is then simply rinsed out and can be used as often as required.
- the filter wall When the filter wall is designed as a filter cassette, it is necessary for the filter cassette to have openings such as punched holes and / or elongated holes or to be strip-like or lattice-like. Such openings can be completely variable, regular or irregular in the filter cassette and can have, for example, a diamond-shaped or cruciform, oval or rectangular shape. Likewise, the two parallel plates of the filter wall can have a different shape.
- the various versions of the filter wall can be combined as desired and can be used with a view to the type and quality of the desired beverage.
- a stable position of the filter wall is achieved in that at least one between the inlet chamber and outlet chamber in the side wall of the filter chamber A pair of opposing, the filter cassettes or the flat screen receiving rail guides is provided.
- the filter walls are inserted into the rail guides, which either consist of attached parallel webs or are embedded in the side wall of the filter chamber through a groove.
- the size ratio of the inlet to the outlet chamber is thus determined by the choice of the rail guide. This means that as many pairs of rail guides as possible are to be provided in the filter chamber.
- the filter cassettes or the flat guides receiving the flat sieve be provided in the bottom of the filter chamber, stiffening webs being assigned to the rail guides, which preferably run perpendicular to these. In this way, additional stability of the filter wall can be achieved by avoiding undesired bending of the filter wall.
- the filter wall must be designed so that an exchangeable filter sheet is inserted into the filter cassette.
- the two sides of the filter cassette with their punched holes surround the disposable filter sheet and thus ensure its secure fit in the filter wall.
- An embodiment is also conceivable in which a flat sieve is not used alone, but in connection with a filter cassette by which the flat sieve is enclosed.
- Openings are provided between the liquid container and the filter chamber, which are intended to ensure that water can get into the filter chamber from the liquid container without losses. This is achieved in that at least one closable top opening is provided in the inlet chamber that connects to the hot water outlet of the liquid container. This opening is closed until the water in the liquid container has reached the desired temperature. The heated water is then simultaneously or quickly introduced into the inlet chamber of the filter chamber through this opening. At this point, a suitable device must be used to ensure that no hot water emerges from the liquid container without a filter chamber underneath it at this time is available.
- At least one closable opening on the underside that provides the connection to the beverage container is provided in the outlet chamber. This opening can only be made closable in the event that there is no beverage container under the filter chamber at this moment.
- a smooth flow process within the filter chamber is achieved in that the bottom of the filter chamber slopes from the inlet chamber to the outlet chamber.
- An embodiment is also practical here, according to which the bottom of the filter chamber can be adjusted either flat or at an angle using a mechanism. The slight gradient simplifies the process within the filter chamber between the inlet and outlet chambers.
- the shape of a correspondingly removable insert is assigned to the inlet chamber. After using the coffee machine, this insert can be removed from the inlet chamber so that it can be cleaned. However, the entire filter chamber can equally well be removed from the electrical device in order to be able to flush it completely, for example under a running water crane.
- the inside of the inlet chamber is coated with material, preferably polytetrafluoroethylene, which complicates or prevents the adhesion of substrate.
- material preferably polytetrafluoroethylene, which complicates or prevents the adhesion of substrate.
- Such a material is intended to make cleaning the inlet chamber even easier.
- a further preferred embodiment of the invention provides that an insert for the inlet chamber is provided, preferably with basin-like recesses which accommodate different amounts of substrate and which define the shape and depth of the amount of coffee to be filtered.
- These basin-like depressions represent a dosing option that has not been known to date with embodiments according to the prior art.
- certain amounts of substrate are added to the wells and the corresponding amount of water is poured into the liquid container. By overdosing or underdosing the amount of water, the user can vary the desired strength of the beverage in a very simple manner. It is provided that the recesses are each at least partially enclosing the next smaller one.
- the recesses are arranged around one another in a step-like manner, the next smaller one being encompassed and the contents thereof being passed on to the next step.
- the lowest stage for receiving the smallest amount of substrate is thus arranged, for example, on the same level as the bottom of the inlet chamber.
- the level of the stage for taking up the second least amount is arranged partially surrounding it a piece corresponding to the amount of the substrate.
- the filter chamber is assigned a rotatably mounted insert with individual chambers of different volumes, partition walls or preferably rotatably mounted sieves being arranged between the individual chambers.
- individual chambers are provided in this embodiment, which can be put into operation with regard to the amount of beverage to be achieved.
- Both the use of the filter chamber can be rotatably mounted under the fixed hot water outlet and the filter chamber can be fixed and the hot water spout can be installed rotatably.
- the individual chambers have a size or volume which is matched to the amount of water to be filled.
- the individual chambers are provided with markings which are marked with Markings on the top edge of the filter chamber correspond.
- the filter chamber and the insert for it are thus designed to be coordinated with one another in such a way that it is always ensured that the hot water outlet is actually above the individual chamber in which the beverage substrate is located when it is started up. Otherwise there is a risk that the hot water spout is directly above a partition or a sieve, which would disrupt the operation of the tea or coffee machine.
- the respective markings on the individual chambers must therefore be aligned with the markings on the upper edge of the filter chamber before the tea or coffee machine is started up. If these markings, which can consist, for example, of numbers, letters or color markings, match, it is ensured that the water drained from the liquid container actually runs into the correct individual chamber. Grids can simplify this handling.
- a rotatably mounted filter chamber attachment can also be arranged in the region of a non-rotatable filter chamber, which is arranged below the hot water outlet of the liquid container and has an outlet that can be aligned with the individual chambers.
- a filter chamber attachment is rotated, to which an outlet is attached, via which the hot water flows into the respective individual chamber.
- This filter chamber attachment is located directly under the hot water outlet, so that the intended individual chamber is always supplied with hot water. If necessary, grids are to be provided which support this effect.
- a separate electronics chamber is assigned to it.
- the electrical device is controlled, for example, insofar as it is assigned a heating system and a heating switch for heating the liquid in the liquid container.
- a heating system for heating the liquid in the liquid container.
- the water in the liquid container is heated up using a suitable heating system until the desired temperature is reached. This is preferably so dimensioned so that the water boils, ie bubbles.
- a heating tube running through the electronics chamber is provided within the liquid container, one opening of which is located near the bottom of the liquid container and the other opening of which forms a connection to the filter chamber and is preferably equipped with a valve for metered delivery of liquid into the filter chamber.
- the water is thus led out of the liquid container through the electronics chamber, heated up there and finally released into the filter chamber.
- the temperature of the water can thus be optimally adjusted, and it is also ensured that the water and not the water vapor passes through the beverage substrate.
- a pump is also arranged in the electronics chamber, which ensures that it controls the piping of the water.
- the heating switch is assigned a thermostat with a temperature display which is designed to enable the hot water flow to be opened at a temperature to be defined.
- the composition of different types of tea means that the tea develops a particularly strong aroma when brewed at a certain temperature or in a certain temperature range. This fact is taken into account in that the thermostat is set such that the water is let into the filter chamber from the liquid container when a fixed temperature is reached.
- the filter chamber can also be heatable, in particular to optimize the preparation of tea.
- the electronics chamber has a switch that controls the opening of the hot water outlet of the liquid container when a fixed temperature is reached.
- the electronics chamber can be designed in such a way that the water flows from the liquid container into the filter chamber when a fixed temperature is reached is delivered.
- the electrical device is advantageously designed such that it is equipped with a regulating switch for adjusting the valve and thus draining the liquid from the liquid container, which is designed to prevent the electrical device from being started up without a filter chamber being inserted.
- a regulating switch for adjusting the valve and thus draining the liquid from the liquid container, which is designed to prevent the electrical device from being started up without a filter chamber being inserted.
- the valve is intended to prevent excessive amounts of water from entering the filter chambers or the individual chambers and from not reducing the quality of the beverage. This valve is intended to ensure a constant release of the water into the inlet chamber or the individual chambers.
- this is equipped with a switch, via which the speed of the water flowing through can be regulated with regard to the intended flow rate.
- This switch can, for example, provide two stages, one for the production of a smaller amount of coffee or tea and the other for a larger amount. The residence time of the beverage in the filter chamber can thus be varied.
- the electrical device according to the invention for the preparation of hot drinks has the decisive advantage over the prior art that it can be manufactured in any conceivable cross section. This is no longer determined by the shape of the filter, since instead of the previously known wedge-shaped filters, only one filter wall is used.
- the liquid container, filter chamber and beverage container can preferably have the cross section of an oval.
- a preferably heatable platform is provided as a base holder for the beverage container. In contrast to coffee machines according to the prior art, this platform then only serves to keep the beverage warm.
- a thermal can be used in a container.
- the invention is characterized in particular in that a device for preparing coffee or tea is created which can be used in a completely variable manner.
- a device for preparing coffee or tea is created which can be used in a completely variable manner.
- two forms of training of the filter chamber are proposed, on the one hand a division of the filter chamber into two, and on the other hand their subdivision into several individual chambers.
- the operator can align the individual chamber to be operated with the hot water spout by means of markings that are easy to handle, so that precise dosing can take place.
- FIG. 4 shows the perspective view of a filter cassette with filter sheet
- FIG. 5 shows a top view of the filter chamber with basin-like, stepped depressions
- 6 is a plan view of a filter chamber with a prefilter
- FIG. 7 a filter chamber consisting of individual chambers with a rotatable filter chamber attachment
- FIG. 8 a rotatably mounted filter chamber with individual chambers
- FIG. 9 a partially sectioned perspective view of a
- Liquid container with heating pipe Liquid container with heating pipe.
- Figure 1 shows an electrical device 1, with the main components of the liquid container 2, filter chamber 4, beverage container 7 and electronics chamber 22. After opening the lid 40, the water is poured into the liquid container 2. Due to the actuation of the heating switch 20, the water is heated to the desired temperature. Through the hot water outlet 3 in the bottom of the liquid container 2, the water, metered by the function of the valve 23, is discharged continuously or intermittently into the filter chamber 4, more precisely the inlet chamber 5.
- the substrate 42 for example tea or coffee powder, is located in the inlet chamber 4. This is where the actual brewing of coffee or tea takes place.
- 1 shows two rail guides 16, 16 'into which the filter wall 8 is inserted. Such rail guides 16, 16 'are conceivable at almost any point in the filter chamber 4.
- the division of the filter chamber 4 into the inlet chamber 5 and the outlet chamber 6 is predetermined by the rail guides 16, 16 ′ or the filter wall 8.
- the finished drink penetrates the filter wall 8 with restraint of the coffee grounds or infusion.
- the coffee or tea thus reaches the outlet chamber 6 and flows through the opening 18 in the bottom 19 of the filter chamber 4 into the beverage container 7, for example a thermos.
- a heatable platform 25 for maintaining a uniform temperature in the beverage container 7 and a switch 21 can be seen in this embodiment, via which the valve 23 can be regulated.
- the liquid container 2 is shown in FIG. It is indicated here that, alternatively to the hot water spout 3 or in addition to this, a channel 43 with significantly smaller openings 44, 44 ′ may also be present in the bottom of the liquid container 2. This enables a metered addition of water.
- a trough with openings arranged at the upper edge of the filter chamber 4 can fulfill the same function.
- the filter chamber 4 arranged underneath is shown in FIG. 3.
- the filter wall 8 divides the filter chamber 4 into the inlet chamber 5 and the outlet chamber 6 with the opening 18 on the underside.
- the upper opening of the inlet chamber 5 is designated by 17.
- the rail guides 13 with stiffening webs 14 and rail guides 13 'attached to the inside 24 of the filter chamber 4 serve to receive the filter wall 8. This consists of two parallel plates 9, 9' into which a filter sheet, not shown here, is inserted.
- FIG 4 shows the two interconnected parallel plates 9, 9 'with the openings 10, here punched holes 12.
- these parallel plates 9, 9' form the filter cartridges 11.
- This filter cartridge 11 is intended to prevent the Coffee grounds or infusion can get into the outlet chamber 6 from the inlet chamber 5.
- the filter sheet 15 is dispensed with and the filter cassette 11 is designed differently, for example as a flat screen.
- FIG. 5 shows the embodiment of the filter chamber 4 with the basin-like depressions 32, 34, 36 and 38 arranged in steps. These are assigned to an insert 30 for the filter chamber 4 and at least partially enclose one another.
- the basin-like recess 32 is designed to hold the amount corresponding to two cups of coffee, the recess 34 for four cups, the recess 36 for six cups and the recess 38 for eight cups.
- a filter chamber 4 with a screen surface 53 connected downstream of the outlet chamber 6 can be seen in FIG.
- a beverage substrate in quantity depending on the desired dosage in the trough-shaped depressions 32 ', 34', 36 'or 38'.
- the inlet chamber 5 is now supplied with water which, after being mixed with the beverage substrate, passes through the prefilter cassette 52 and reaches the outlet chamber 6.
- the surface 54 is also trough-shaped. As a result of this, the beverage inevitably reaches the screen surface 53, where the beverage substrate is retained and only the finished beverage is delivered in the direction of the beverage container.
- the rotatable insert 63 with the individual chambers 57, 58, 59 and 60 can be seen in FIG.
- the individual chambers have a different volume, in this exemplary embodiment the individual chamber 57 is provided for the production of two cups of beverage, the single chamber 58 for four, the single chamber 59 for six and the single chamber 60 for eight cups.
- the filter chamber attachment 56 is located directly under the water supply 51 'from the liquid container. The water is dispensed into the respective individual chamber via an outlet 55 arranged on the filter chamber attachment 56. These are divided either by sieves 61 or by partitions 62.
- the grid chamber attachment 56 is additionally fixed in its position by not recognizable grids, so that it is ensured that the water actually runs into the provided individual chamber 57, 58, 59, 60.
- FIG. 8 shows an alternative embodiment in which the insert 63 'itself is rotatably mounted.
- the respective individual chamber 57, 58, 59, 60 is positioned directly below the water supply 51.
- the markings 65, 65 ', 65 "and 65'” on the insert 63 and the markings 64, 64 ', 64 ", 64'” on the upper edge 72 of the filter chamber 4 help here, if these markings are arranged in unison , for example 64 and 65, it is automatically ensured that the respective individual chamber, here the individual chamber 57 ', is arranged under the water supply 51.
- 71 denotes a sieve hole in the bottom of the insert 63.
- FIG. 9 shows a liquid container 2 and the electronics 22 in a sectioned perspective view.
- the advantageous arrangement of the heating tube 66 can be seen, which leads from the bottom 68 of the liquid chamber 2 to the hot water outlet, not shown here.
- the opening 67 of the heating pipe 66 which is arranged just above the bottom 68, can be seen here.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU51488/99A AU5148899A (en) | 1998-05-23 | 1999-05-21 | Electric appliance for preparing hot beverages |
DE19980923T DE19980923D2 (de) | 1998-05-23 | 1999-05-21 | Elektrisches Gerät zur Zubereitung heisser Getränke |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823178.4 | 1998-05-23 | ||
DE19823178 | 1998-05-23 | ||
DE19921315A DE19921315A1 (de) | 1998-05-23 | 1999-05-08 | Elektrisches Gerät zur Zubereitung heißer Getränke |
DE19921315.1 | 1999-05-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1999060901A2 true WO1999060901A2 (de) | 1999-12-02 |
WO1999060901A3 WO1999060901A3 (de) | 2000-02-03 |
Family
ID=26046374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/001513 WO1999060901A2 (de) | 1998-05-23 | 1999-05-21 | Elektrisches gerät zur zubereitung heisser getränke |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5148899A (de) |
DE (1) | DE19980923D2 (de) |
WO (1) | WO1999060901A2 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE686482C (de) | 1937-09-30 | 1940-01-10 | Alfred Kuechler | Vorrichtung zur Herstellung heisser Getraenke, wie Kaffee, Tee u. dgl. |
DE8112227U1 (de) | 1981-04-24 | 1984-03-22 | UHT Umwelt- und Hygienetechnik GmbH, 4800 Bielefeld | Elektrische kaffeemaschine |
DE9007004U1 (de) | 1990-06-21 | 1990-10-31 | Hp Haushaltprodukte Gmbh, 5430 Montabaur, De |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2518693A1 (de) * | 1975-04-26 | 1976-11-04 | Interelectric Ag | Dauer-kaffeefilter |
DE8430876U1 (de) * | 1984-10-20 | 1986-05-15 | Senger, Michael, 3300 Braunschweig | Kaffeemaschine |
DE3441758A1 (de) * | 1984-11-15 | 1986-05-15 | Christoph Goetz & Co Teehandel | Vorrichtung zum zubereiten von tee |
DE4428013A1 (de) * | 1994-08-06 | 1996-02-08 | Braun Ag | Teefilter für eine Kaffee- oder Teemaschine |
CH692377A5 (de) * | 1997-12-30 | 2002-05-31 | Roger Schelbert | Automatische Teemaschine. |
-
1999
- 1999-05-21 AU AU51488/99A patent/AU5148899A/en not_active Abandoned
- 1999-05-21 DE DE19980923T patent/DE19980923D2/de not_active Ceased
- 1999-05-21 WO PCT/DE1999/001513 patent/WO1999060901A2/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE686482C (de) | 1937-09-30 | 1940-01-10 | Alfred Kuechler | Vorrichtung zur Herstellung heisser Getraenke, wie Kaffee, Tee u. dgl. |
DE8112227U1 (de) | 1981-04-24 | 1984-03-22 | UHT Umwelt- und Hygienetechnik GmbH, 4800 Bielefeld | Elektrische kaffeemaschine |
DE9007004U1 (de) | 1990-06-21 | 1990-10-31 | Hp Haushaltprodukte Gmbh, 5430 Montabaur, De |
Also Published As
Publication number | Publication date |
---|---|
DE19980923D2 (de) | 2001-07-26 |
AU5148899A (en) | 1999-12-13 |
WO1999060901A3 (de) | 2000-02-03 |
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