DE8003510U1 - Equipment for serving drinks - Google Patents

Description

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Willi Glup, Brennerstrasse 6&Iacgr;, 48oo Bielefeld

Equipment for serving drinks

The invention relates to a device for dispensing beverages with a supply line from a storage container under gas pressure to a remote dispensing point with a tap.

In the case of a dispensing device for drinks dispensing systems that enables continuous operation and in which containers with different contents can be filled continuously, it is particularly important to ensure that beer

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When the beverage is heated, the carbon dioxide escapes from the liquid and creates foam.

In order to serve drinks stored in barrels or similar at a distance from the serving point, it is known to provide an electrically driven pump between the storage point and the serving point, in whose circuit the tap is arranged in such a way that when the tap is opened the circuit is closed and thus the pump is activated, and when the tap is closed the circuit is interrupted.

For liquids under gas pressure, particularly carbonated drinks, the use of a feed pump is not necessary if the pressure on the liquid is high enough to convey it at a sufficient conveying speed and above the desired conveying height. However, there are limits to increasing the gas pressure, since as the gas pressure increases, larger quantities of the gas used, in the case of drinks, carbon dioxide, are absorbed by the liquid, so that the liquid foams excessively when poured and quick and accurate pouring is very difficult. In order to achieve a sufficient flow rate of the liquid, relatively large pipe cross-sections must also be selected. If the distances between the storage location and the dispensing location are long, there is a considerable amount of liquid in these pipes, which, when the pipes are at a standstill or even at a low flow rate, adjusts to the ambient temperature of the pipes, thus making it impossible to determine the liquid temperature at the storage location.

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In view of the above-mentioned disadvantages, a device of the type mentioned at the outset for dispensing liquids under gas pressure, in particular carbonated beverages, has become known, with which the dispensing of precisely measured quantities of the liquid is possible regardless of the distance of the dispensing location from the storage container. In this device, a metering pump is designed as a free piston pump with a pressure chamber that can be alternately actuated and emptied by a drive means. The free piston is only in its initial delivery position in operative connection with a release holder for the actuation of the pressure chamber coupled with the actuation of the dispensing valve and in its final delivery position in operative connection with a release holder for the emptying of the pressure chamber during the suction stroke. Such an arrangement is intended to ensure that the delivery stroke of the metering pump can only be completed when the pump chamber is completely emptied, which is a prerequisite for automatic metering at the dispensing point, since otherwise the amount of liquid dispensed could be arbitrarily changed and also reduced by corresponding actuation of the dispensing valve.

Furthermore, a dispenser device is known which is designed to dispense measured volumes of carbonated drinks, such as beer. This device has an emptying measuring chamber in the form of a spiral tube, which is provided with a light-electronic level meter at the upper end at the location of the correct filling level _. The circuit of this level is designed in such a way that it only controls the filling and emptying processes of the device when foam is present, but not when there is foam-free liquid. This device is therefore particularly suitable for drinks machines where high-pressure liquids are required.

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a certain amount of liquid is emptied into a cup. However, since only a certain volume can be emptied discontinuously, this device is not suitable for installation in a dispensing device in so-called counter operation in restaurants. Another disadvantage for use in counter operation is that this device does not allow constant removal, but that you have to wait until the coiled pipe has filled up with liquid again.

The dispensing equipment used in bar operations has a common disadvantage, namely that the design of these equipment only allows one storage container to be connected to the dispensing point via the supply line. As a result, the innkeeper or another person must go to the storage point and connect a full keg if the previously connected keg is empty. This disadvantage is particularly noticeable during peak times, because the so-called rearrangement of the kegs or similar, depending on where the storage point is located, wastes unnecessary time, which has a negative effect on overall sales.

The aim of the invention is to create a device of the type mentioned at the beginning, with which several storage containers can be connected to the tap in an efficient manner and can be tapped continuously. It is therefore possible to tap up to 400 litres of beer or other drinks one after the other. The innkeeper thus has a sufficiently large reserve during the so-called peak times.

According to the invention, the object is achieved in that in the counter area, preferably below the

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Tap, a cylinder with a rotary piston is arranged, wherein the base plate has several threaded holes arranged at 9o with pipe sockets or the like for the individual supply lines of the storage containers and the threaded hole with pipe socket or the like for the outlet opening which receives the tap line, while in the rotary piston with stub axle there is a flow channel corresponding to the threaded holes with a central and an off-center hole, which, when the cylinder rotates accordingly, brings the inlet opening into line with the outlet opening.

The cylinder has a screwed-on end plate. In the end plate there is a threaded hole in the middle and several threaded holes offset by 90° off-center, while in the front of the cylinder there is a hole through which the axle stub protrudes from the cylinder with its free end. A motor is coupled to the axle stub, and this motor can be controlled via a selection keyboard.

In the end plate, O-rings are arranged between the sewine bore and the pipe socket, which serve to seal the passages from one another.

According to the invention, the "rotary piston" with its through-flow channel is connected to its axle stub and a drive such as a motor or the like, which can be controlled via a selector switch.

Protection is claimed not only for the features recited in the individual claims, but also for their combination.

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The following description serves to explain the inventive subject matter, an embodiment of which is shown in the drawing. The figures of the drawing show in

Pig. I a schematic side view of a

Beer dispensing system with selection cylinder

Pig, 2 a longitudinal section of the same selection cylinder with rotary piston and end plate

Pig. 3 a top view of the same voting cylinder

As previously mentioned, Fig. I shows the beer dispensing device consisting of a tap 7 and a selector switch 8, which is coupled to an electric motor Io via conventional lines 9. The motor Io acts on an axle stub II of the rotary piston 2, whereby this rotary piston 2 is mounted in the cylinder I, see Fig. 2. The cylinder I together with the rotary piston 2 with axle stub II is preferably arranged in the area of the beer barrels 12. The primary feature of the dispensing device as the subject of the invention is the overall design of the cylinder I together with the rotary piston 2 incorporated therein.

The cylinder I as such is limited on one side by the end plate 3, which is attached by means of screws 13. The end plate 3 is equipped with several inlet holes 4 and one outlet hole 5. The holes 4 are located off-center in the end plate 3 and serve as an inlet opening for the beverage. The hole 5 serves as an outlet opening and at the same time accommodates the dispensing line 14 by means of a pipe socket or plug connection.

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In the rotary piston 2, the outlet opening 5 is arranged centrally on the front side and the inlet opening 4 is arranged off-center, each of which forms a right angle to the flow channel 15 according to Fig. 2. The end plate 3 according to Fig. 2 has four threaded holes 4, the pipe sockets 16 of which are connected to the individual beer barrels 12 via the supply line 17. Fig. 2 also shows that the beer barrel 12 connected to the outlet plate 3 via the pipe socket 16 is currently being tapped, since the flow channel 15 with its inlet opening is located in front of the threaded hole 4 with the pipe socket 16. When the beer barrel 12 in question is empty, the innkeeper or tapper operates the selector switch 8, namely in such a way that the next switch button is actuated. The rotary piston 2 in the cylinder I is actuated by the motor Io and corresponding aids, such as microswitches or the like, so that it is rotated by 90°, whereby the flow channel 15 with its inlet opening comes to a standstill in front of the corresponding threaded hole 4. Now another egg barrel 12 can be fully tapped. Since the flow channel 15 automatically assumes a different position in relation to the corresponding threaded holes 4 when the rotary piston 2 rotates, a new, i.e. full, beer barrel 12 is ready for tapping with each rotation of the rotary piston 2 by 9'0°. It should be mentioned at this point that the flow channel 15 in the flow position, i.e. when it corresponds to the relevant threaded hole 4, opens into the outlet opening 5 so that the beer can reach the tap 7 through the tapping line 14.

As a cover between the outlet opening 5 and the inlet openings 4 there are O-rings 6 which rest against the front wall of the rotary piston 2. This prevents beer or similar from leaking out anywhere other than through the flow channel 15.

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With the help of the prescribed invention, it is now possible

four beer barrels 12 can be tapped empty without the landlord having to go to the cellar or anywhere else to exchange an empty barrel for a full one. With four beer barrels 12 a loo litre, this means that the landlord or barman has a relatively large reserve at the tap 7 at his disposal and can therefore easily bridge the so-called peak times in the so-called ...

However, it is now also possible* to design the cylinder I together with the rotary piston 2 for three or more than four beer barrels 12. In this case, only three or more threaded holes with the corresponding number of degrees are to be provided in the end plate 3. Accordingly, the rotary piston requires a different clock movement from the motor Io, i.e. the motor must rotate the rotary piston 2 by the corresponding degree in order to tap the beer barrels properly.

Claims (7)

■- pif s r Ü h I.) Device for dispensing drinks with a supply line from a gas-pressurized storage container 3U to a remote dispensing point with a tap, characterized in that in the counter area preferably below the tap 7, a cylinder (I) with rotary piston (2) and end plate (3) is arranged, whereby the same has on the front side as a connection for the individual supply lines (14) of the storage containers (12) several threaded holes (4) offset by 90° with separate pipe sockets (16) or the like, while in the rotary piston (2) with stub axle an inlet opening and an outlet opening can be brought into line with the threaded holes (4) in the end plate (3) with a corresponding rotational movement of the rotary piston (2) and the outlet opening of the flow channel (15) which receives the tap line is arranged so that it opens into it. 2.) Device according to claim I, characterized in that the cylinder (I) has a screwed-on connection plate (5) on the front side, with the inlet opening (4) being arranged off-center in the connection plate (5) and the outlet opening (which holds the dispensing line (14) being arranged in the center, and a bore being arranged in the center as a passage for the stub axle of the rotary piston (2). 3. )" Device according to claims I and 2, characterized in that the rotary piston (2) located in the cylinder (I) can be acted upon in terms of its rotation by a motor (Io) coupled to the stub axle and the motor (Io) can be controlled using appropriate lines (9) via a selection keyboard (8) or the like. ro f« at · · t ■ · · < *
&bull;&igr; $ &eegr; it »to* it &igr;» - Yo - 4. ) Device according to claims I to 3, characterized in that the connecting plate (3) has a ring attachment,
Annular shoulder or similar, which is adapted to the inner diameter of the cylinder (I). 5.) Device according to claims 1 to 4, characterized in that the outlet opening (5) in the end plate (3) as a connection for the dispensing line and the inlet openings (4) as a connection for the supply line have an internal thread, a plug device or the like. 6.) Device according to claims I to 5, characterized in that the flow channel (15) in the rotary piston (2) consists of blind bores which touch each other in the end region and form two right angles to each other. ^ 7.) Device according to claims I to 6, characterized in that in the end plate (3) between the threaded holes and the corresponding inlet openings (4) and outlet opening (5) of the flow channel (15) O-rings (6) made of rubber are arranged as a seal*