Top-Down Beverage Dispensing Tube Insertion Mechanism
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Solution Overview
Problem
The installation of disposable dispensing tubes in roving beverage dispensing units is cumbersome and uncomfortable, requiring a 'bottom-up' insertion method that increases costs and user reluctance due to the need for shut-off valves and difficult handling.
Innovation Solution
A 'top-down' insertion method is introduced, where the dispensing tube is guided through an elongated tapping column with a smaller inner diameter, allowing the tube to be connected to the container via connecting means like bayonets, threaded nuts, or snap-fits, facilitating easier and quicker installation without the need for shut-off valves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a bottom-up insertion method is used for the dispensing tube, then the tube can be connected to the keg, but the operation becomes cumbersome and requires shut-off valves increasing cost
Solution Approach 1:
The patent inverts the traditional bottom-up insertion method by implementing a top-down approach. The dispensing tube is inserted from the top of the column through a guide channel into the cooling chamber where it connects to the keg. This reversal eliminates the need for shut-off valves and makes the operation simpler and more intuitive for the user.
2Reliability
If the dispensing line is permanently coupled to the keg, then hygiene is improved, but the cost of use increases substantially due to shut-off valves
Solution Approach 1:
The patent employs disposable dispensing tubes that are inexpensive and single-use. By eliminating shut-off valves from the design, the tubes can be made simpler and cheaper while maintaining hygiene through single-use disposal after each keg, reducing overall system cost.
3Reliability
If the dispensing tube outlet reaches the dispensing head through a long channel, then fluid connection is established, but the tube is difficult to drive through the column
Solution Approach 1:
The patent introduces a guide channel as an intermediary structure within the column. This channel provides a defined pathway that guides the dispensing tube from the top opening down to the cooling chamber, making insertion easier and more controlled while ensuring reliable fluid connection between the tube and keg.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The top-down insertion method significantly reduces installation time and user discomfort, enabling the use of cheaper disposable tubes and improving the operational efficiency of roving beverage dispensing units, as confirmed by user testing.
Implementation Method 1
a compartment for containing said container and comprising a refrigeration device
Implementation Method 2
a source of pressurized gas, such as a pressure gas bottle or a compressor
Data Source
AI summary
A roving beverage dispensing device has a beverage container in a cooled compartment and a flexible beverage dispensing line with connecting means coupling its inlet end to the container. A pressure line is releasably connected to the container and to a source of pressurized gas. An elongated tapping column fixed to the top of the compartment comprises elongated inner channel bringing in communication the interior of the compartment with tapping valve element suitable for receiving a portion of the outlet end of the dispensing line and for controlling the flow of liquid therethrough. The largest diameters of the dispensing line and the connecting means are sufficiently small so that the dispensing line can be introduced from the top end of the tapping column through the elongated channel into the compartment and connected to the container.