Multi-Flavor Valve With Segmented Flow Paths
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Solution Overview
Problem
Existing beverage dispensers with post-mix valves are limited to dispensing only one or two flavors, requiring additional dispensers for multiple flavors, which increases cost and counter space usage, and lacks effective prevention of flavor and color mixing between dispensing cycles.
Innovation Solution
A multi-flavor valve with a single-piece injection-molded body, featuring three syrup flow paths and one water flow path, along with solenoids and an electronics module, allowing for the simultaneous dispensing of at least three flavors while minimizing flavor and color transfer through a diffuser and flushing mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple one-flavor valves are used to provide additional noncarbonated beverage flavors, then beverage flavor variety is improved, but counter space usage and dispensing cost increase
Solution Approach 1:
The valve body is designed to accommodate multiple syrup flow paths (at least three) within a single valve unit, allowing one valve to perform the function of multiple separate one-flavor valves. This multi-functional design enables dispensing of multiple noncarbonated beverage flavors (e.g., iced tea, fruit punch, lemonade) from a single valve location, thereby reducing counter space requirements while maintaining beverage variety.
Solution Approach 2:
Multiple syrup flow paths that were previously requiring separate valves are merged into a single integrated valve body. The valve combines multiple syrup channels, solenoids, and flow control mechanisms into one unified structure, allowing simultaneous or sequential dispensing of multiple flavors through a single valve assembly, thus reducing the number of valves needed and the associated counter space.
2Adaptability or versatility
If a two-flavor valve with multiple syrup flow paths is used, then beverage flavor variety is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The valve body is designed with segmented, modular flow paths for each syrup flavor, where each syrup has its own dedicated channel, solenoid, and flow control section. This segmentation allows independent control of each flavor while maintaining a unified valve structure, simplifying the overall design compared to integrated multi-flavor systems and facilitating easier manufacturing and assembly.
Solution Approach 2:
The valve incorporates solenoids that dynamically open and close individual syrup flow paths based on selected flavor, allowing the valve to adapt its configuration in real-time. This dynamic control mechanism enables a single valve to function as multiple valves by selectively activating only the required syrup path, reducing the need for complex permanent multi-path structures.
3Adaptability or versatility
If multiple syrup flow paths are incorporated in a two-flavor valve, then beverage flavor variety is improved, but flavor and color mixing between dispensing cycles is not prevented
Solution Approach 1:
The diffuser component is extracted and positioned to receive syrup from multiple flow paths before dispensing. By introducing syrup into the diffuser chamber, the system separates the syrup streams and allows them to mix uniformly with water in a controlled environment, preventing direct contamination between flavor paths and ensuring clean flavor separation during dispensing cycles.
Solution Approach 2:
The diffuser acts as an intermediary chamber between the multiple syrup flow paths and the dispensing nozzle. Syrup from different flavors is introduced into this intermediate space, where it mixes with water and undergoes uniform distribution before exiting through the nozzle. This intermediary mechanism prevents direct flavor mixing and color contamination by providing a controlled mixing zone.
4Productivity
If a multi-flavor valve is designed to dispense multiple flavors, then the number of dispensers required is reduced, but manufacturing cost and complexity increase
Solution Approach 1:
The valve body employs segmented flow paths for each syrup flavor, with each segment being a separate, independently manufacturable channel. This segmentation allows for simplified injection molding processes and easier assembly of individual components (solenoids, flow control sections) into the final valve assembly, reducing manufacturing complexity compared to creating a fully integrated multi-flavor structure.
Solution Approach 2:
The valve body is designed as a universal platform that can accommodate multiple syrup flow paths and flavors through standardized interfaces and modular components. This universal design enables the same basic valve structure to be configured for different flavor combinations, simplifying manufacturing by using common parts across different flavor configurations rather than creating entirely separate valve designs for each flavor.
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 multi-flavor valve reduces manufacturing complexity and cost, fits within a standard dispenser size, and effectively prevents flavor and color contamination between dispensing cycles, enabling efficient and economical dispensing of multiple flavors without increasing counter space usage.
Implementation Method 1
at least three syrup flow path solenoids for respectively opening and closing the at least three syrup flow paths, and one water flow path solenoid for opening and closing the water flow path
Implementation Method 2
The valve also has an integrated diffuser for diffusing water dispensed from the water flow path
Data Source
AI summary
A multi-flavor valve for dispensing at least three flavors of beverages includes a single-piece injection-molded valve body having at least three syrup flow paths, a water flow path, and one water flow path solenoid for opening and closing the water flow path. Three syrup flow path solenoids are positioned in the corresponding syrup flow paths. The water flow path solenoid is positioned in the water flow path, within the valve body. The valve has beverage flavor switches for selecting the beverage flavors for dispensation. The valve includes an electronics module electrically connected to the solenoids and to the beverage flavor switches, the electronics module causing one of the syrup flow path solenoids to open the corresponding syrup flow path of the syrup corresponding to a selected flavor switch, and causing the water flow path solenoid to open the water flow path, causing the valve to dispense the selected beverage flavor.